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-rw-r--r--lib/asio/ip/address.hpp260
-rw-r--r--lib/asio/ip/address_v4.hpp329
-rw-r--r--lib/asio/ip/address_v4_iterator.hpp162
-rw-r--r--lib/asio/ip/address_v4_range.hpp134
-rw-r--r--lib/asio/ip/address_v6.hpp336
-rw-r--r--lib/asio/ip/address_v6_iterator.hpp183
-rw-r--r--lib/asio/ip/address_v6_range.hpp129
-rw-r--r--lib/asio/ip/bad_address_cast.hpp48
-rw-r--r--lib/asio/ip/basic_endpoint.hpp263
-rw-r--r--lib/asio/ip/basic_resolver.hpp1018
-rw-r--r--lib/asio/ip/basic_resolver_entry.hpp113
-rw-r--r--lib/asio/ip/basic_resolver_iterator.hpp192
-rw-r--r--lib/asio/ip/basic_resolver_query.hpp244
-rw-r--r--lib/asio/ip/basic_resolver_results.hpp311
-rw-r--r--lib/asio/ip/detail/endpoint.hpp139
-rw-r--r--lib/asio/ip/detail/impl/endpoint.ipp199
-rw-r--r--lib/asio/ip/detail/socket_option.hpp566
-rw-r--r--lib/asio/ip/host_name.hpp42
-rw-r--r--lib/asio/ip/icmp.hpp115
-rw-r--r--lib/asio/ip/impl/address.hpp67
-rw-r--r--lib/asio/ip/impl/address.ipp234
-rw-r--r--lib/asio/ip/impl/address_v4.hpp67
-rw-r--r--lib/asio/ip/impl/address_v4.ipp210
-rw-r--r--lib/asio/ip/impl/address_v6.hpp67
-rw-r--r--lib/asio/ip/impl/address_v6.ipp350
-rw-r--r--lib/asio/ip/impl/basic_endpoint.hpp43
-rw-r--r--lib/asio/ip/impl/host_name.ipp54
-rw-r--r--lib/asio/ip/impl/network_v4.hpp54
-rw-r--r--lib/asio/ip/impl/network_v4.ipp216
-rw-r--r--lib/asio/ip/impl/network_v6.hpp53
-rw-r--r--lib/asio/ip/impl/network_v6.ipp185
-rw-r--r--lib/asio/ip/multicast.hpp191
-rw-r--r--lib/asio/ip/network_v4.hpp261
-rw-r--r--lib/asio/ip/network_v6.hpp235
-rw-r--r--lib/asio/ip/resolver_base.hpp129
-rw-r--r--lib/asio/ip/resolver_query_base.hpp43
-rw-r--r--lib/asio/ip/resolver_service.hpp200
-rw-r--r--lib/asio/ip/tcp.hpp155
-rw-r--r--lib/asio/ip/udp.hpp111
-rw-r--r--lib/asio/ip/unicast.hpp70
-rw-r--r--lib/asio/ip/v6_only.hpp69
41 files changed, 7847 insertions, 0 deletions
diff --git a/lib/asio/ip/address.hpp b/lib/asio/ip/address.hpp
new file mode 100644
index 0000000..cf852a6
--- /dev/null
+++ b/lib/asio/ip/address.hpp
@@ -0,0 +1,260 @@
+//
+// ip/address.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_HPP
+#define ASIO_IP_ADDRESS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/throw_exception.hpp"
+#include "asio/detail/string_view.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ip/address_v4.hpp"
+#include "asio/ip/address_v6.hpp"
+#include "asio/ip/bad_address_cast.hpp"
+
+#if !defined(ASIO_NO_IOSTREAM)
+# include <iosfwd>
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Implements version-independent IP addresses.
+/**
+ * The asio::ip::address class provides the ability to use either IP
+ * version 4 or version 6 addresses.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class address
+{
+public:
+ /// Default constructor.
+ ASIO_DECL address();
+
+ /// Construct an address from an IPv4 address.
+ ASIO_DECL address(const asio::ip::address_v4& ipv4_address);
+
+ /// Construct an address from an IPv6 address.
+ ASIO_DECL address(const asio::ip::address_v6& ipv6_address);
+
+ /// Copy constructor.
+ ASIO_DECL address(const address& other);
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ ASIO_DECL address(address&& other);
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from another address.
+ ASIO_DECL address& operator=(const address& other);
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move-assign from another address.
+ ASIO_DECL address& operator=(address&& other);
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from an IPv4 address.
+ ASIO_DECL address& operator=(
+ const asio::ip::address_v4& ipv4_address);
+
+ /// Assign from an IPv6 address.
+ ASIO_DECL address& operator=(
+ const asio::ip::address_v6& ipv6_address);
+
+ /// Get whether the address is an IP version 4 address.
+ bool is_v4() const
+ {
+ return type_ == ipv4;
+ }
+
+ /// Get whether the address is an IP version 6 address.
+ bool is_v6() const
+ {
+ return type_ == ipv6;
+ }
+
+ /// Get the address as an IP version 4 address.
+ ASIO_DECL asio::ip::address_v4 to_v4() const;
+
+ /// Get the address as an IP version 6 address.
+ ASIO_DECL asio::ip::address_v6 to_v6() const;
+
+ /// Get the address as a string.
+ ASIO_DECL std::string to_string() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use other overload.) Get the address as a string.
+ ASIO_DECL std::string to_string(asio::error_code& ec) const;
+
+ /// (Deprecated: Use make_address().) Create an address from an IPv4 address
+ /// string in dotted decimal form, or from an IPv6 address in hexadecimal
+ /// notation.
+ static address from_string(const char* str);
+
+ /// (Deprecated: Use make_address().) Create an address from an IPv4 address
+ /// string in dotted decimal form, or from an IPv6 address in hexadecimal
+ /// notation.
+ static address from_string(const char* str, asio::error_code& ec);
+
+ /// (Deprecated: Use make_address().) Create an address from an IPv4 address
+ /// string in dotted decimal form, or from an IPv6 address in hexadecimal
+ /// notation.
+ static address from_string(const std::string& str);
+
+ /// (Deprecated: Use make_address().) Create an address from an IPv4 address
+ /// string in dotted decimal form, or from an IPv6 address in hexadecimal
+ /// notation.
+ static address from_string(
+ const std::string& str, asio::error_code& ec);
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Determine whether the address is a loopback address.
+ ASIO_DECL bool is_loopback() const;
+
+ /// Determine whether the address is unspecified.
+ ASIO_DECL bool is_unspecified() const;
+
+ /// Determine whether the address is a multicast address.
+ ASIO_DECL bool is_multicast() const;
+
+ /// Compare two addresses for equality.
+ ASIO_DECL friend bool operator==(const address& a1, const address& a2);
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const address& a1, const address& a2)
+ {
+ return !(a1 == a2);
+ }
+
+ /// Compare addresses for ordering.
+ ASIO_DECL friend bool operator<(const address& a1, const address& a2);
+
+ /// Compare addresses for ordering.
+ friend bool operator>(const address& a1, const address& a2)
+ {
+ return a2 < a1;
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator<=(const address& a1, const address& a2)
+ {
+ return !(a2 < a1);
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator>=(const address& a1, const address& a2)
+ {
+ return !(a1 < a2);
+ }
+
+private:
+ // The type of the address.
+ enum { ipv4, ipv6 } type_;
+
+ // The underlying IPv4 address.
+ asio::ip::address_v4 ipv4_address_;
+
+ // The underlying IPv6 address.
+ asio::ip::address_v6 ipv6_address_;
+};
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(const char* str);
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(
+ const char* str, asio::error_code& ec);
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(const std::string& str);
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(
+ const std::string& str, asio::error_code& ec);
+
+#if defined(ASIO_HAS_STRING_VIEW) \
+ || defined(GENERATING_DOCUMENTATION)
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(string_view str);
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(
+ string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output an address as a string.
+/**
+ * Used to output a human-readable string for a specified address.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param addr The address to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::address
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address& addr);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/address.hpp"
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/address.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_ADDRESS_HPP
diff --git a/lib/asio/ip/address_v4.hpp b/lib/asio/ip/address_v4.hpp
new file mode 100644
index 0000000..4e1cc9a
--- /dev/null
+++ b/lib/asio/ip/address_v4.hpp
@@ -0,0 +1,329 @@
+//
+// ip/address_v4.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V4_HPP
+#define ASIO_IP_ADDRESS_V4_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/array.hpp"
+#include "asio/detail/cstdint.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
+#include "asio/detail/winsock_init.hpp"
+#include "asio/error_code.hpp"
+
+#if !defined(ASIO_NO_IOSTREAM)
+# include <iosfwd>
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Implements IP version 4 style addresses.
+/**
+ * The asio::ip::address_v4 class provides the ability to use and
+ * manipulate IP version 4 addresses.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class address_v4
+{
+public:
+ /// The type used to represent an address as an unsigned integer.
+ typedef uint_least32_t uint_type;
+
+ /// The type used to represent an address as an array of bytes.
+ /**
+ * @note This type is defined in terms of the C++0x template @c std::array
+ * when it is available. Otherwise, it uses @c boost:array.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+ typedef array<unsigned char, 4> bytes_type;
+#else
+ typedef asio::detail::array<unsigned char, 4> bytes_type;
+#endif
+
+ /// Default constructor.
+ address_v4()
+ {
+ addr_.s_addr = 0;
+ }
+
+ /// Construct an address from raw bytes.
+ ASIO_DECL explicit address_v4(const bytes_type& bytes);
+
+ /// Construct an address from an unsigned integer in host byte order.
+ ASIO_DECL explicit address_v4(uint_type addr);
+
+ /// Copy constructor.
+ address_v4(const address_v4& other)
+ : addr_(other.addr_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ address_v4(address_v4&& other)
+ : addr_(other.addr_)
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from another address.
+ address_v4& operator=(const address_v4& other)
+ {
+ addr_ = other.addr_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move-assign from another address.
+ address_v4& operator=(address_v4&& other)
+ {
+ addr_ = other.addr_;
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Get the address in bytes, in network byte order.
+ ASIO_DECL bytes_type to_bytes() const;
+
+ /// Get the address as an unsigned integer in host byte order
+ ASIO_DECL uint_type to_uint() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// Get the address as an unsigned long in host byte order
+ ASIO_DECL unsigned long to_ulong() const;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Get the address as a string in dotted decimal format.
+ ASIO_DECL std::string to_string() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use other overload.) Get the address as a string in dotted
+ /// decimal format.
+ ASIO_DECL std::string to_string(asio::error_code& ec) const;
+
+ /// (Deprecated: Use make_address_v4().) Create an address from an IP address
+ /// string in dotted decimal form.
+ static address_v4 from_string(const char* str);
+
+ /// (Deprecated: Use make_address_v4().) Create an address from an IP address
+ /// string in dotted decimal form.
+ static address_v4 from_string(
+ const char* str, asio::error_code& ec);
+
+ /// (Deprecated: Use make_address_v4().) Create an address from an IP address
+ /// string in dotted decimal form.
+ static address_v4 from_string(const std::string& str);
+
+ /// (Deprecated: Use make_address_v4().) Create an address from an IP address
+ /// string in dotted decimal form.
+ static address_v4 from_string(
+ const std::string& str, asio::error_code& ec);
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Determine whether the address is a loopback address.
+ ASIO_DECL bool is_loopback() const;
+
+ /// Determine whether the address is unspecified.
+ ASIO_DECL bool is_unspecified() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use network_v4 class.) Determine whether the address is a
+ /// class A address.
+ ASIO_DECL bool is_class_a() const;
+
+ /// (Deprecated: Use network_v4 class.) Determine whether the address is a
+ /// class B address.
+ ASIO_DECL bool is_class_b() const;
+
+ /// (Deprecated: Use network_v4 class.) Determine whether the address is a
+ /// class C address.
+ ASIO_DECL bool is_class_c() const;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Determine whether the address is a multicast address.
+ ASIO_DECL bool is_multicast() const;
+
+ /// Compare two addresses for equality.
+ friend bool operator==(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.addr_.s_addr == a2.addr_.s_addr;
+ }
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.addr_.s_addr != a2.addr_.s_addr;
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator<(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.to_uint() < a2.to_uint();
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator>(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.to_uint() > a2.to_uint();
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator<=(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.to_uint() <= a2.to_uint();
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator>=(const address_v4& a1, const address_v4& a2)
+ {
+ return a1.to_uint() >= a2.to_uint();
+ }
+
+ /// Obtain an address object that represents any address.
+ static address_v4 any()
+ {
+ return address_v4();
+ }
+
+ /// Obtain an address object that represents the loopback address.
+ static address_v4 loopback()
+ {
+ return address_v4(0x7F000001);
+ }
+
+ /// Obtain an address object that represents the broadcast address.
+ static address_v4 broadcast()
+ {
+ return address_v4(0xFFFFFFFF);
+ }
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use network_v4 class.) Obtain an address object that
+ /// represents the broadcast address that corresponds to the specified
+ /// address and netmask.
+ ASIO_DECL static address_v4 broadcast(
+ const address_v4& addr, const address_v4& mask);
+
+ /// (Deprecated: Use network_v4 class.) Obtain the netmask that corresponds
+ /// to the address, based on its address class.
+ ASIO_DECL static address_v4 netmask(const address_v4& addr);
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+private:
+ // The underlying IPv4 address.
+ asio::detail::in4_addr_type addr_;
+};
+
+/// Create an IPv4 address from raw bytes in network order.
+/**
+ * @relates address_v4
+ */
+inline address_v4 make_address_v4(const address_v4::bytes_type& bytes)
+{
+ return address_v4(bytes);
+}
+
+/// Create an IPv4 address from an unsigned integer in host byte order.
+/**
+ * @relates address_v4
+ */
+inline address_v4 make_address_v4(address_v4::uint_type addr)
+{
+ return address_v4(addr);
+}
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(const char* str);
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(
+ const char* str, asio::error_code& ec);
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(const std::string& str);
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(
+ const std::string& str, asio::error_code& ec);
+
+#if defined(ASIO_HAS_STRING_VIEW) \
+ || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(string_view str);
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(
+ string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output an address as a string.
+/**
+ * Used to output a human-readable string for a specified address.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param addr The address to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::address_v4
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address_v4& addr);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/address_v4.hpp"
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/address_v4.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_ADDRESS_V4_HPP
diff --git a/lib/asio/ip/address_v4_iterator.hpp b/lib/asio/ip/address_v4_iterator.hpp
new file mode 100644
index 0000000..e2ef393
--- /dev/null
+++ b/lib/asio/ip/address_v4_iterator.hpp
@@ -0,0 +1,162 @@
+//
+// ip/address_v4_iterator.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V4_ITERATOR_HPP
+#define ASIO_IP_ADDRESS_V4_ITERATOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/address_v4.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename> class basic_address_iterator;
+
+/// An input iterator that can be used for traversing IPv4 addresses.
+/**
+ * In addition to satisfying the input iterator requirements, this iterator
+ * also supports decrement.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <> class basic_address_iterator<address_v4>
+{
+public:
+ /// The type of the elements pointed to by the iterator.
+ typedef address_v4 value_type;
+
+ /// Distance between two iterators.
+ typedef std::ptrdiff_t difference_type;
+
+ /// The type of a pointer to an element pointed to by the iterator.
+ typedef const address_v4* pointer;
+
+ /// The type of a reference to an element pointed to by the iterator.
+ typedef const address_v4& reference;
+
+ /// Denotes that the iterator satisfies the input iterator requirements.
+ typedef std::input_iterator_tag iterator_category;
+
+ /// Construct an iterator that points to the specified address.
+ basic_address_iterator(const address_v4& addr) ASIO_NOEXCEPT
+ : address_(addr)
+ {
+ }
+
+ /// Copy constructor.
+ basic_address_iterator(
+ const basic_address_iterator& other) ASIO_NOEXCEPT
+ : address_(other.address_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ basic_address_iterator(basic_address_iterator&& other) ASIO_NOEXCEPT
+ : address_(ASIO_MOVE_CAST(address_v4)(other.address_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assignment operator.
+ basic_address_iterator& operator=(
+ const basic_address_iterator& other) ASIO_NOEXCEPT
+ {
+ address_ = other.address_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move assignment operator.
+ basic_address_iterator& operator=(
+ basic_address_iterator&& other) ASIO_NOEXCEPT
+ {
+ address_ = ASIO_MOVE_CAST(address_v4)(other.address_);
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Dereference the iterator.
+ const address_v4& operator*() const ASIO_NOEXCEPT
+ {
+ return address_;
+ }
+
+ /// Dereference the iterator.
+ const address_v4* operator->() const ASIO_NOEXCEPT
+ {
+ return &address_;
+ }
+
+ /// Pre-increment operator.
+ basic_address_iterator& operator++() ASIO_NOEXCEPT
+ {
+ address_ = address_v4((address_.to_uint() + 1) & 0xFFFFFFFF);
+ return *this;
+ }
+
+ /// Post-increment operator.
+ basic_address_iterator operator++(int) ASIO_NOEXCEPT
+ {
+ basic_address_iterator tmp(*this);
+ ++*this;
+ return tmp;
+ }
+
+ /// Pre-decrement operator.
+ basic_address_iterator& operator--() ASIO_NOEXCEPT
+ {
+ address_ = address_v4((address_.to_uint() - 1) & 0xFFFFFFFF);
+ return *this;
+ }
+
+ /// Post-decrement operator.
+ basic_address_iterator operator--(int)
+ {
+ basic_address_iterator tmp(*this);
+ --*this;
+ return tmp;
+ }
+
+ /// Compare two addresses for equality.
+ friend bool operator==(const basic_address_iterator& a,
+ const basic_address_iterator& b)
+ {
+ return a.address_ == b.address_;
+ }
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const basic_address_iterator& a,
+ const basic_address_iterator& b)
+ {
+ return a.address_ != b.address_;
+ }
+
+private:
+ address_v4 address_;
+};
+
+/// An input iterator that can be used for traversing IPv4 addresses.
+typedef basic_address_iterator<address_v4> address_v4_iterator;
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ADDRESS_V4_ITERATOR_HPP
diff --git a/lib/asio/ip/address_v4_range.hpp b/lib/asio/ip/address_v4_range.hpp
new file mode 100644
index 0000000..a402842
--- /dev/null
+++ b/lib/asio/ip/address_v4_range.hpp
@@ -0,0 +1,134 @@
+//
+// ip/address_v4_range.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V4_RANGE_HPP
+#define ASIO_IP_ADDRESS_V4_RANGE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/address_v4_iterator.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename> class basic_address_range;
+
+/// Represents a range of IPv4 addresses.
+/**
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <> class basic_address_range<address_v4>
+{
+public:
+ /// The type of an iterator that points into the range.
+ typedef basic_address_iterator<address_v4> iterator;
+
+ /// Construct an empty range.
+ basic_address_range() ASIO_NOEXCEPT
+ : begin_(address_v4()),
+ end_(address_v4())
+ {
+ }
+
+ /// Construct an range that represents the given range of addresses.
+ explicit basic_address_range(const iterator& first,
+ const iterator& last) ASIO_NOEXCEPT
+ : begin_(first),
+ end_(last)
+ {
+ }
+
+ /// Copy constructor.
+ basic_address_range(const basic_address_range& other) ASIO_NOEXCEPT
+ : begin_(other.begin_),
+ end_(other.end_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ basic_address_range(basic_address_range&& other) ASIO_NOEXCEPT
+ : begin_(ASIO_MOVE_CAST(iterator)(other.begin_)),
+ end_(ASIO_MOVE_CAST(iterator)(other.end_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assignment operator.
+ basic_address_range& operator=(
+ const basic_address_range& other) ASIO_NOEXCEPT
+ {
+ begin_ = other.begin_;
+ end_ = other.end_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move assignment operator.
+ basic_address_range& operator=(
+ basic_address_range&& other) ASIO_NOEXCEPT
+ {
+ begin_ = ASIO_MOVE_CAST(iterator)(other.begin_);
+ end_ = ASIO_MOVE_CAST(iterator)(other.end_);
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Obtain an iterator that points to the start of the range.
+ iterator begin() const ASIO_NOEXCEPT
+ {
+ return begin_;
+ }
+
+ /// Obtain an iterator that points to the end of the range.
+ iterator end() const ASIO_NOEXCEPT
+ {
+ return end_;
+ }
+
+ /// Determine whether the range is empty.
+ bool empty() const ASIO_NOEXCEPT
+ {
+ return size() == 0;
+ }
+
+ /// Return the size of the range.
+ std::size_t size() const ASIO_NOEXCEPT
+ {
+ return end_->to_uint() - begin_->to_uint();
+ }
+
+ /// Find an address in the range.
+ iterator find(const address_v4& addr) const ASIO_NOEXCEPT
+ {
+ return addr >= *begin_ && addr < *end_ ? iterator(addr) : end_;
+ }
+
+private:
+ iterator begin_;
+ iterator end_;
+};
+
+/// Represents a range of IPv4 addresses.
+typedef basic_address_range<address_v4> address_v4_range;
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ADDRESS_V4_RANGE_HPP
diff --git a/lib/asio/ip/address_v6.hpp b/lib/asio/ip/address_v6.hpp
new file mode 100644
index 0000000..fece332
--- /dev/null
+++ b/lib/asio/ip/address_v6.hpp
@@ -0,0 +1,336 @@
+//
+// ip/address_v6.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V6_HPP
+#define ASIO_IP_ADDRESS_V6_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/array.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
+#include "asio/detail/winsock_init.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ip/address_v4.hpp"
+
+#if !defined(ASIO_NO_IOSTREAM)
+# include <iosfwd>
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename> class basic_address_iterator;
+
+/// Implements IP version 6 style addresses.
+/**
+ * The asio::ip::address_v6 class provides the ability to use and
+ * manipulate IP version 6 addresses.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class address_v6
+{
+public:
+ /// The type used to represent an address as an array of bytes.
+ /**
+ * @note This type is defined in terms of the C++0x template @c std::array
+ * when it is available. Otherwise, it uses @c boost:array.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+ typedef array<unsigned char, 16> bytes_type;
+#else
+ typedef asio::detail::array<unsigned char, 16> bytes_type;
+#endif
+
+ /// Default constructor.
+ ASIO_DECL address_v6();
+
+ /// Construct an address from raw bytes and scope ID.
+ ASIO_DECL explicit address_v6(const bytes_type& bytes,
+ unsigned long scope_id = 0);
+
+ /// Copy constructor.
+ ASIO_DECL address_v6(const address_v6& other);
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ ASIO_DECL address_v6(address_v6&& other);
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from another address.
+ ASIO_DECL address_v6& operator=(const address_v6& other);
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move-assign from another address.
+ ASIO_DECL address_v6& operator=(address_v6&& other);
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// The scope ID of the address.
+ /**
+ * Returns the scope ID associated with the IPv6 address.
+ */
+ unsigned long scope_id() const
+ {
+ return scope_id_;
+ }
+
+ /// The scope ID of the address.
+ /**
+ * Modifies the scope ID associated with the IPv6 address.
+ */
+ void scope_id(unsigned long id)
+ {
+ scope_id_ = id;
+ }
+
+ /// Get the address in bytes, in network byte order.
+ ASIO_DECL bytes_type to_bytes() const;
+
+ /// Get the address as a string.
+ ASIO_DECL std::string to_string() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use other overload.) Get the address as a string.
+ ASIO_DECL std::string to_string(asio::error_code& ec) const;
+
+ /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
+ /// address string.
+ static address_v6 from_string(const char* str);
+
+ /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
+ /// address string.
+ static address_v6 from_string(
+ const char* str, asio::error_code& ec);
+
+ /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
+ /// address string.
+ static address_v6 from_string(const std::string& str);
+
+ /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
+ /// address string.
+ static address_v6 from_string(
+ const std::string& str, asio::error_code& ec);
+
+ /// (Deprecated: Use make_address_v4().) Converts an IPv4-mapped or
+ /// IPv4-compatible address to an IPv4 address.
+ ASIO_DECL address_v4 to_v4() const;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Determine whether the address is a loopback address.
+ ASIO_DECL bool is_loopback() const;
+
+ /// Determine whether the address is unspecified.
+ ASIO_DECL bool is_unspecified() const;
+
+ /// Determine whether the address is link local.
+ ASIO_DECL bool is_link_local() const;
+
+ /// Determine whether the address is site local.
+ ASIO_DECL bool is_site_local() const;
+
+ /// Determine whether the address is a mapped IPv4 address.
+ ASIO_DECL bool is_v4_mapped() const;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: No replacement.) Determine whether the address is an
+ /// IPv4-compatible address.
+ ASIO_DECL bool is_v4_compatible() const;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Determine whether the address is a multicast address.
+ ASIO_DECL bool is_multicast() const;
+
+ /// Determine whether the address is a global multicast address.
+ ASIO_DECL bool is_multicast_global() const;
+
+ /// Determine whether the address is a link-local multicast address.
+ ASIO_DECL bool is_multicast_link_local() const;
+
+ /// Determine whether the address is a node-local multicast address.
+ ASIO_DECL bool is_multicast_node_local() const;
+
+ /// Determine whether the address is a org-local multicast address.
+ ASIO_DECL bool is_multicast_org_local() const;
+
+ /// Determine whether the address is a site-local multicast address.
+ ASIO_DECL bool is_multicast_site_local() const;
+
+ /// Compare two addresses for equality.
+ ASIO_DECL friend bool operator==(
+ const address_v6& a1, const address_v6& a2);
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const address_v6& a1, const address_v6& a2)
+ {
+ return !(a1 == a2);
+ }
+
+ /// Compare addresses for ordering.
+ ASIO_DECL friend bool operator<(
+ const address_v6& a1, const address_v6& a2);
+
+ /// Compare addresses for ordering.
+ friend bool operator>(const address_v6& a1, const address_v6& a2)
+ {
+ return a2 < a1;
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator<=(const address_v6& a1, const address_v6& a2)
+ {
+ return !(a2 < a1);
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator>=(const address_v6& a1, const address_v6& a2)
+ {
+ return !(a1 < a2);
+ }
+
+ /// Obtain an address object that represents any address.
+ static address_v6 any()
+ {
+ return address_v6();
+ }
+
+ /// Obtain an address object that represents the loopback address.
+ ASIO_DECL static address_v6 loopback();
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use make_address_v6().) Create an IPv4-mapped IPv6 address.
+ ASIO_DECL static address_v6 v4_mapped(const address_v4& addr);
+
+ /// (Deprecated: No replacement.) Create an IPv4-compatible IPv6 address.
+ ASIO_DECL static address_v6 v4_compatible(const address_v4& addr);
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+private:
+ friend class basic_address_iterator<address_v6>;
+
+ // The underlying IPv6 address.
+ asio::detail::in6_addr_type addr_;
+
+ // The scope ID associated with the address.
+ unsigned long scope_id_;
+};
+
+/// Create an IPv6 address from raw bytes and scope ID.
+/**
+ * @relates address_v6
+ */
+inline address_v6 make_address_v6(const address_v6::bytes_type& bytes,
+ unsigned long scope_id = 0)
+{
+ return address_v6(bytes, scope_id);
+}
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(const char* str);
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(
+ const char* str, asio::error_code& ec);
+
+/// Createan IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(const std::string& str);
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(
+ const std::string& str, asio::error_code& ec);
+
+#if defined(ASIO_HAS_STRING_VIEW) \
+ || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(string_view str);
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(
+ string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+ // || defined(GENERATING_DOCUMENTATION)
+
+/// Tag type used for distinguishing overloads that deal in IPv4-mapped IPv6
+/// addresses.
+enum v4_mapped_t { v4_mapped };
+
+/// Create an IPv4 address from a IPv4-mapped IPv6 address.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(
+ v4_mapped_t, const address_v6& v6_addr);
+
+/// Create an IPv4-mapped IPv6 address from an IPv4 address.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(
+ v4_mapped_t, const address_v4& v4_addr);
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output an address as a string.
+/**
+ * Used to output a human-readable string for a specified address.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param addr The address to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::address_v6
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address_v6& addr);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/address_v6.hpp"
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/address_v6.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_ADDRESS_V6_HPP
diff --git a/lib/asio/ip/address_v6_iterator.hpp b/lib/asio/ip/address_v6_iterator.hpp
new file mode 100644
index 0000000..0a1fb3f
--- /dev/null
+++ b/lib/asio/ip/address_v6_iterator.hpp
@@ -0,0 +1,183 @@
+//
+// ip/address_v6_iterator.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V6_ITERATOR_HPP
+#define ASIO_IP_ADDRESS_V6_ITERATOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/address_v6.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename> class basic_address_iterator;
+
+/// An input iterator that can be used for traversing IPv6 addresses.
+/**
+ * In addition to satisfying the input iterator requirements, this iterator
+ * also supports decrement.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <> class basic_address_iterator<address_v6>
+{
+public:
+ /// The type of the elements pointed to by the iterator.
+ typedef address_v6 value_type;
+
+ /// Distance between two iterators.
+ typedef std::ptrdiff_t difference_type;
+
+ /// The type of a pointer to an element pointed to by the iterator.
+ typedef const address_v6* pointer;
+
+ /// The type of a reference to an element pointed to by the iterator.
+ typedef const address_v6& reference;
+
+ /// Denotes that the iterator satisfies the input iterator requirements.
+ typedef std::input_iterator_tag iterator_category;
+
+ /// Construct an iterator that points to the specified address.
+ basic_address_iterator(const address_v6& addr) ASIO_NOEXCEPT
+ : address_(addr)
+ {
+ }
+
+ /// Copy constructor.
+ basic_address_iterator(
+ const basic_address_iterator& other) ASIO_NOEXCEPT
+ : address_(other.address_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ basic_address_iterator(basic_address_iterator&& other) ASIO_NOEXCEPT
+ : address_(ASIO_MOVE_CAST(address_v6)(other.address_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assignment operator.
+ basic_address_iterator& operator=(
+ const basic_address_iterator& other) ASIO_NOEXCEPT
+ {
+ address_ = other.address_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move assignment operator.
+ basic_address_iterator& operator=(
+ basic_address_iterator&& other) ASIO_NOEXCEPT
+ {
+ address_ = ASIO_MOVE_CAST(address_v6)(other.address_);
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Dereference the iterator.
+ const address_v6& operator*() const ASIO_NOEXCEPT
+ {
+ return address_;
+ }
+
+ /// Dereference the iterator.
+ const address_v6* operator->() const ASIO_NOEXCEPT
+ {
+ return &address_;
+ }
+
+ /// Pre-increment operator.
+ basic_address_iterator& operator++() ASIO_NOEXCEPT
+ {
+ for (int i = 15; i >= 0; --i)
+ {
+ if (address_.addr_.s6_addr[i] < 0xFF)
+ {
+ ++address_.addr_.s6_addr[i];
+ break;
+ }
+
+ address_.addr_.s6_addr[i] = 0;
+ }
+
+ return *this;
+ }
+
+ /// Post-increment operator.
+ basic_address_iterator operator++(int) ASIO_NOEXCEPT
+ {
+ basic_address_iterator tmp(*this);
+ ++*this;
+ return tmp;
+ }
+
+ /// Pre-decrement operator.
+ basic_address_iterator& operator--() ASIO_NOEXCEPT
+ {
+ for (int i = 15; i >= 0; --i)
+ {
+ if (address_.addr_.s6_addr[i] > 0)
+ {
+ --address_.addr_.s6_addr[i];
+ break;
+ }
+
+ address_.addr_.s6_addr[i] = 0xFF;
+ }
+
+ return *this;
+ }
+
+ /// Post-decrement operator.
+ basic_address_iterator operator--(int)
+ {
+ basic_address_iterator tmp(*this);
+ --*this;
+ return tmp;
+ }
+
+ /// Compare two addresses for equality.
+ friend bool operator==(const basic_address_iterator& a,
+ const basic_address_iterator& b)
+ {
+ return a.address_ == b.address_;
+ }
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const basic_address_iterator& a,
+ const basic_address_iterator& b)
+ {
+ return a.address_ != b.address_;
+ }
+
+private:
+ address_v6 address_;
+};
+
+/// An input iterator that can be used for traversing IPv6 addresses.
+typedef basic_address_iterator<address_v6> address_v6_iterator;
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ADDRESS_V6_ITERATOR_HPP
diff --git a/lib/asio/ip/address_v6_range.hpp b/lib/asio/ip/address_v6_range.hpp
new file mode 100644
index 0000000..9d7062e
--- /dev/null
+++ b/lib/asio/ip/address_v6_range.hpp
@@ -0,0 +1,129 @@
+//
+// ip/address_v6_range.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ADDRESS_V6_RANGE_HPP
+#define ASIO_IP_ADDRESS_V6_RANGE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/address_v6_iterator.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename> class basic_address_range;
+
+/// Represents a range of IPv6 addresses.
+/**
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <> class basic_address_range<address_v6>
+{
+public:
+ /// The type of an iterator that points into the range.
+ typedef basic_address_iterator<address_v6> iterator;
+
+ /// Construct an empty range.
+ basic_address_range() ASIO_NOEXCEPT
+ : begin_(address_v6()),
+ end_(address_v6())
+ {
+ }
+
+ /// Construct an range that represents the given range of addresses.
+ explicit basic_address_range(const iterator& first,
+ const iterator& last) ASIO_NOEXCEPT
+ : begin_(first),
+ end_(last)
+ {
+ }
+
+ /// Copy constructor.
+ basic_address_range(const basic_address_range& other) ASIO_NOEXCEPT
+ : begin_(other.begin_),
+ end_(other.end_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ basic_address_range(basic_address_range&& other) ASIO_NOEXCEPT
+ : begin_(ASIO_MOVE_CAST(iterator)(other.begin_)),
+ end_(ASIO_MOVE_CAST(iterator)(other.end_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assignment operator.
+ basic_address_range& operator=(
+ const basic_address_range& other) ASIO_NOEXCEPT
+ {
+ begin_ = other.begin_;
+ end_ = other.end_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move assignment operator.
+ basic_address_range& operator=(
+ basic_address_range&& other) ASIO_NOEXCEPT
+ {
+ begin_ = ASIO_MOVE_CAST(iterator)(other.begin_);
+ end_ = ASIO_MOVE_CAST(iterator)(other.end_);
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Obtain an iterator that points to the start of the range.
+ iterator begin() const ASIO_NOEXCEPT
+ {
+ return begin_;
+ }
+
+ /// Obtain an iterator that points to the end of the range.
+ iterator end() const ASIO_NOEXCEPT
+ {
+ return end_;
+ }
+
+ /// Determine whether the range is empty.
+ bool empty() const ASIO_NOEXCEPT
+ {
+ return begin_ == end_;
+ }
+
+ /// Find an address in the range.
+ iterator find(const address_v6& addr) const ASIO_NOEXCEPT
+ {
+ return addr >= *begin_ && addr < *end_ ? iterator(addr) : end_;
+ }
+
+private:
+ iterator begin_;
+ iterator end_;
+};
+
+/// Represents a range of IPv6 addresses.
+typedef basic_address_range<address_v6> address_v6_range;
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ADDRESS_V6_RANGE_HPP
diff --git a/lib/asio/ip/bad_address_cast.hpp b/lib/asio/ip/bad_address_cast.hpp
new file mode 100644
index 0000000..8c71f70
--- /dev/null
+++ b/lib/asio/ip/bad_address_cast.hpp
@@ -0,0 +1,48 @@
+//
+// ip/bad_address_cast.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BAD_ADDRESS_CAST_HPP
+#define ASIO_IP_BAD_ADDRESS_CAST_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <typeinfo>
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Thrown to indicate a failed address conversion.
+class bad_address_cast : public std::bad_cast
+{
+public:
+ /// Default constructor.
+ bad_address_cast() {}
+
+ /// Destructor.
+ virtual ~bad_address_cast() ASIO_NOEXCEPT_OR_NOTHROW {}
+
+ /// Get the message associated with the exception.
+ virtual const char* what() const ASIO_NOEXCEPT_OR_NOTHROW
+ {
+ return "bad address cast";
+ }
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ADDRESS_HPP
diff --git a/lib/asio/ip/basic_endpoint.hpp b/lib/asio/ip/basic_endpoint.hpp
new file mode 100644
index 0000000..4418ee7
--- /dev/null
+++ b/lib/asio/ip/basic_endpoint.hpp
@@ -0,0 +1,263 @@
+//
+// ip/basic_endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_ENDPOINT_HPP
+#define ASIO_IP_BASIC_ENDPOINT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/address.hpp"
+#include "asio/ip/detail/endpoint.hpp"
+
+#if !defined(ASIO_NO_IOSTREAM)
+# include <iosfwd>
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Describes an endpoint for a version-independent IP socket.
+/**
+ * The asio::ip::basic_endpoint class template describes an endpoint that
+ * may be associated with a particular socket.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Endpoint.
+ */
+template <typename InternetProtocol>
+class basic_endpoint
+{
+public:
+ /// The protocol type associated with the endpoint.
+ typedef InternetProtocol protocol_type;
+
+ /// The type of the endpoint structure. This type is dependent on the
+ /// underlying implementation of the socket layer.
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined data_type;
+#else
+ typedef asio::detail::socket_addr_type data_type;
+#endif
+
+ /// Default constructor.
+ basic_endpoint()
+ : impl_()
+ {
+ }
+
+ /// Construct an endpoint using a port number, specified in the host's byte
+ /// order. The IP address will be the any address (i.e. INADDR_ANY or
+ /// in6addr_any). This constructor would typically be used for accepting new
+ /// connections.
+ /**
+ * @par Examples
+ * To initialise an IPv4 TCP endpoint for port 1234, use:
+ * @code
+ * asio::ip::tcp::endpoint ep(asio::ip::tcp::v4(), 1234);
+ * @endcode
+ *
+ * To specify an IPv6 UDP endpoint for port 9876, use:
+ * @code
+ * asio::ip::udp::endpoint ep(asio::ip::udp::v6(), 9876);
+ * @endcode
+ */
+ basic_endpoint(const InternetProtocol& internet_protocol,
+ unsigned short port_num)
+ : impl_(internet_protocol.family(), port_num)
+ {
+ }
+
+ /// Construct an endpoint using a port number and an IP address. This
+ /// constructor may be used for accepting connections on a specific interface
+ /// or for making a connection to a remote endpoint.
+ basic_endpoint(const asio::ip::address& addr, unsigned short port_num)
+ : impl_(addr, port_num)
+ {
+ }
+
+ /// Copy constructor.
+ basic_endpoint(const basic_endpoint& other)
+ : impl_(other.impl_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move constructor.
+ basic_endpoint(basic_endpoint&& other)
+ : impl_(other.impl_)
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Assign from another endpoint.
+ basic_endpoint& operator=(const basic_endpoint& other)
+ {
+ impl_ = other.impl_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-assign from another endpoint.
+ basic_endpoint& operator=(basic_endpoint&& other)
+ {
+ impl_ = other.impl_;
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// The protocol associated with the endpoint.
+ protocol_type protocol() const
+ {
+ if (impl_.is_v4())
+ return InternetProtocol::v4();
+ return InternetProtocol::v6();
+ }
+
+ /// Get the underlying endpoint in the native type.
+ data_type* data()
+ {
+ return impl_.data();
+ }
+
+ /// Get the underlying endpoint in the native type.
+ const data_type* data() const
+ {
+ return impl_.data();
+ }
+
+ /// Get the underlying size of the endpoint in the native type.
+ std::size_t size() const
+ {
+ return impl_.size();
+ }
+
+ /// Set the underlying size of the endpoint in the native type.
+ void resize(std::size_t new_size)
+ {
+ impl_.resize(new_size);
+ }
+
+ /// Get the capacity of the endpoint in the native type.
+ std::size_t capacity() const
+ {
+ return impl_.capacity();
+ }
+
+ /// Get the port associated with the endpoint. The port number is always in
+ /// the host's byte order.
+ unsigned short port() const
+ {
+ return impl_.port();
+ }
+
+ /// Set the port associated with the endpoint. The port number is always in
+ /// the host's byte order.
+ void port(unsigned short port_num)
+ {
+ impl_.port(port_num);
+ }
+
+ /// Get the IP address associated with the endpoint.
+ asio::ip::address address() const
+ {
+ return impl_.address();
+ }
+
+ /// Set the IP address associated with the endpoint.
+ void address(const asio::ip::address& addr)
+ {
+ impl_.address(addr);
+ }
+
+ /// Compare two endpoints for equality.
+ friend bool operator==(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return e1.impl_ == e2.impl_;
+ }
+
+ /// Compare two endpoints for inequality.
+ friend bool operator!=(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return !(e1 == e2);
+ }
+
+ /// Compare endpoints for ordering.
+ friend bool operator<(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return e1.impl_ < e2.impl_;
+ }
+
+ /// Compare endpoints for ordering.
+ friend bool operator>(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return e2.impl_ < e1.impl_;
+ }
+
+ /// Compare endpoints for ordering.
+ friend bool operator<=(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return !(e2 < e1);
+ }
+
+ /// Compare endpoints for ordering.
+ friend bool operator>=(const basic_endpoint<InternetProtocol>& e1,
+ const basic_endpoint<InternetProtocol>& e2)
+ {
+ return !(e1 < e2);
+ }
+
+private:
+ // The underlying IP endpoint.
+ asio::ip::detail::endpoint impl_;
+};
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output an endpoint as a string.
+/**
+ * Used to output a human-readable string for a specified endpoint.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param endpoint The endpoint to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::basic_endpoint
+ */
+template <typename Elem, typename Traits, typename InternetProtocol>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os,
+ const basic_endpoint<InternetProtocol>& endpoint);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/basic_endpoint.hpp"
+
+#endif // ASIO_IP_BASIC_ENDPOINT_HPP
diff --git a/lib/asio/ip/basic_resolver.hpp b/lib/asio/ip/basic_resolver.hpp
new file mode 100644
index 0000000..812dbec
--- /dev/null
+++ b/lib/asio/ip/basic_resolver.hpp
@@ -0,0 +1,1018 @@
+//
+// ip/basic_resolver.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_RESOLVER_HPP
+#define ASIO_IP_BASIC_RESOLVER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/async_result.hpp"
+#include "asio/basic_io_object.hpp"
+#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/string_view.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+#include "asio/ip/basic_resolver_results.hpp"
+#include "asio/ip/resolver_base.hpp"
+
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+# include "asio/ip/resolver_service.hpp"
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+# if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/winrt_resolver_service.hpp"
+# define ASIO_SVC_T \
+ asio::detail::winrt_resolver_service<InternetProtocol>
+# else
+# include "asio/detail/resolver_service.hpp"
+# define ASIO_SVC_T \
+ asio::detail::resolver_service<InternetProtocol>
+# endif
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Provides endpoint resolution functionality.
+/**
+ * The basic_resolver class template provides the ability to resolve a query
+ * to a list of endpoints.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol
+ ASIO_SVC_TPARAM_DEF1(= resolver_service<InternetProtocol>)>
+class basic_resolver
+ : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
+ public resolver_base
+{
+public:
+ /// The type of the executor associated with the object.
+ typedef io_context::executor_type executor_type;
+
+ /// The protocol type.
+ typedef InternetProtocol protocol_type;
+
+ /// The endpoint type.
+ typedef typename InternetProtocol::endpoint endpoint_type;
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated.) The query type.
+ typedef basic_resolver_query<InternetProtocol> query;
+
+ /// (Deprecated.) The iterator type.
+ typedef basic_resolver_iterator<InternetProtocol> iterator;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// The results type.
+ typedef basic_resolver_results<InternetProtocol> results_type;
+
+ /// Constructor.
+ /**
+ * This constructor creates a basic_resolver.
+ *
+ * @param io_context The io_context object that the resolver will use to
+ * dispatch handlers for any asynchronous operations performed on the
+ * resolver.
+ */
+ explicit basic_resolver(asio::io_context& io_context)
+ : basic_io_object<ASIO_SVC_T>(io_context)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-construct a basic_resolver from another.
+ /**
+ * This constructor moves a resolver from one object to another.
+ *
+ * @param other The other basic_resolver object from which the move will
+ * occur.
+ *
+ * @note Following the move, the moved-from object is in the same state as if
+ * constructed using the @c basic_resolver(io_context&) constructor.
+ */
+ basic_resolver(basic_resolver&& other)
+ : basic_io_object<ASIO_SVC_T>(std::move(other))
+ {
+ }
+
+ /// Move-assign a basic_resolver from another.
+ /**
+ * This assignment operator moves a resolver from one object to another.
+ * Cancels any outstanding asynchronous operations associated with the target
+ * object.
+ *
+ * @param other The other basic_resolver object from which the move will
+ * occur.
+ *
+ * @note Following the move, the moved-from object is in the same state as if
+ * constructed using the @c basic_resolver(io_context&) constructor.
+ */
+ basic_resolver& operator=(basic_resolver&& other)
+ {
+ basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Destroys the resolver.
+ /**
+ * This function destroys the resolver, cancelling any outstanding
+ * asynchronous wait operations associated with the resolver as if by calling
+ * @c cancel.
+ */
+ ~basic_resolver()
+ {
+ }
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+ // These functions are provided by basic_io_object<>.
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated: Use get_executor().) Get the io_context associated with the
+ /// object.
+ /**
+ * This function may be used to obtain the io_context object that the I/O
+ * object uses to dispatch handlers for asynchronous operations.
+ *
+ * @return A reference to the io_context object that the I/O object will use
+ * to dispatch handlers. Ownership is not transferred to the caller.
+ */
+ asio::io_context& get_io_context()
+ {
+ return basic_io_object<ASIO_SVC_T>::get_io_context();
+ }
+
+ /// (Deprecated: Use get_executor().) Get the io_context associated with the
+ /// object.
+ /**
+ * This function may be used to obtain the io_context object that the I/O
+ * object uses to dispatch handlers for asynchronous operations.
+ *
+ * @return A reference to the io_context object that the I/O object will use
+ * to dispatch handlers. Ownership is not transferred to the caller.
+ */
+ asio::io_context& get_io_service()
+ {
+ return basic_io_object<ASIO_SVC_T>::get_io_service();
+ }
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Get the executor associated with the object.
+ executor_type get_executor() ASIO_NOEXCEPT
+ {
+ return basic_io_object<ASIO_SVC_T>::get_executor();
+ }
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+
+ /// Cancel any asynchronous operations that are waiting on the resolver.
+ /**
+ * This function forces the completion of any pending asynchronous
+ * operations on the host resolver. The handler for each cancelled operation
+ * will be invoked with the asio::error::operation_aborted error code.
+ */
+ void cancel()
+ {
+ return this->get_service().cancel(this->get_implementation());
+ }
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated.) Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve a query into a list of endpoint entries.
+ *
+ * @param q A query object that determines what endpoints will be returned.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+ results_type resolve(const query& q)
+ {
+ asio::error_code ec;
+ results_type r = this->get_service().resolve(
+ this->get_implementation(), q, ec);
+ asio::detail::throw_error(ec, "resolve");
+ return r;
+ }
+
+ /// (Deprecated.) Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve a query into a list of endpoint entries.
+ *
+ * @param q A query object that determines what endpoints will be returned.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ */
+ results_type resolve(const query& q, asio::error_code& ec)
+ {
+ return this->get_service().resolve(this->get_implementation(), q, ec);
+ }
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service)
+ {
+ return resolve(host, service, resolver_base::flags());
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service, asio::error_code& ec)
+ {
+ return resolve(host, service, resolver_base::flags(), ec);
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service, resolver_base::flags resolve_flags)
+ {
+ asio::error_code ec;
+ basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+ results_type r = this->get_service().resolve(
+ this->get_implementation(), q, ec);
+ asio::detail::throw_error(ec, "resolve");
+ return r;
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service, resolver_base::flags resolve_flags,
+ asio::error_code& ec)
+ {
+ basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+ return this->get_service().resolve(this->get_implementation(), q, ec);
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service)
+ {
+ return resolve(protocol, host, service, resolver_base::flags());
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service,
+ asio::error_code& ec)
+ {
+ return resolve(protocol, host, service, resolver_base::flags(), ec);
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service,
+ resolver_base::flags resolve_flags)
+ {
+ asio::error_code ec;
+ basic_resolver_query<protocol_type> q(
+ protocol, static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+ results_type r = this->get_service().resolve(
+ this->get_implementation(), q, ec);
+ asio::detail::throw_error(ec, "resolve");
+ return r;
+ }
+
+ /// Perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ results_type resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service,
+ resolver_base::flags resolve_flags, asio::error_code& ec)
+ {
+ basic_resolver_query<protocol_type> q(
+ protocol, static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+ return this->get_service().resolve(this->get_implementation(), q, ec);
+ }
+
+#if !defined(ASIO_NO_DEPRECATED)
+ /// (Deprecated.) Asynchronously perform forward resolution of a query to a
+ /// list of entries.
+ /**
+ * This function is used to asynchronously resolve a query into a list of
+ * endpoint entries.
+ *
+ * @param q A query object that determines what endpoints will be returned.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(const query& q,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ // If you get an error on the following line it means that your handler does
+ // not meet the documented type requirements for a ResolveHandler.
+ ASIO_RESOLVE_HANDLER_CHECK(
+ ResolveHandler, handler, results_type) type_check;
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+ return this->get_service().async_resolve(this->get_implementation(), q,
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ this->get_service().async_resolve(
+ this->get_implementation(), q, init.completion_handler);
+
+ return init.result.get();
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ }
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+ /// Asynchronously perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ return async_resolve(host, service, resolver_base::flags(),
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+ }
+
+ /// Asynchronously perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(ASIO_STRING_VIEW_PARAM host,
+ ASIO_STRING_VIEW_PARAM service,
+ resolver_base::flags resolve_flags,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ // If you get an error on the following line it means that your handler does
+ // not meet the documented type requirements for a ResolveHandler.
+ ASIO_RESOLVE_HANDLER_CHECK(
+ ResolveHandler, handler, results_type) type_check;
+
+ basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+ return this->get_service().async_resolve(this->get_implementation(), q,
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ this->get_service().async_resolve(
+ this->get_implementation(), q, init.completion_handler);
+
+ return init.result.get();
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ }
+
+ /// Asynchronously perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ return async_resolve(protocol, host, service, resolver_base::flags(),
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+ }
+
+ /// Asynchronously perform forward resolution of a query to a list of entries.
+ /**
+ * This function is used to resolve host and service names into a list of
+ * endpoint entries.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(const protocol_type& protocol,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service,
+ resolver_base::flags resolve_flags,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ // If you get an error on the following line it means that your handler does
+ // not meet the documented type requirements for a ResolveHandler.
+ ASIO_RESOLVE_HANDLER_CHECK(
+ ResolveHandler, handler, results_type) type_check;
+
+ basic_resolver_query<protocol_type> q(
+ protocol, static_cast<std::string>(host),
+ static_cast<std::string>(service), resolve_flags);
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+ return this->get_service().async_resolve(this->get_implementation(), q,
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ this->get_service().async_resolve(
+ this->get_implementation(), q, init.completion_handler);
+
+ return init.result.get();
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ }
+
+ /// Perform reverse resolution of an endpoint to a list of entries.
+ /**
+ * This function is used to resolve an endpoint into a list of endpoint
+ * entries.
+ *
+ * @param e An endpoint object that determines what endpoints will be
+ * returned.
+ *
+ * @returns A range object representing the list of endpoint entries. A
+ * successful call to this function is guaranteed to return a non-empty
+ * range.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+ results_type resolve(const endpoint_type& e)
+ {
+ asio::error_code ec;
+ results_type i = this->get_service().resolve(
+ this->get_implementation(), e, ec);
+ asio::detail::throw_error(ec, "resolve");
+ return i;
+ }
+
+ /// Perform reverse resolution of an endpoint to a list of entries.
+ /**
+ * This function is used to resolve an endpoint into a list of endpoint
+ * entries.
+ *
+ * @param e An endpoint object that determines what endpoints will be
+ * returned.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns A range object representing the list of endpoint entries. An
+ * empty range is returned if an error occurs. A successful call to this
+ * function is guaranteed to return a non-empty range.
+ */
+ results_type resolve(const endpoint_type& e, asio::error_code& ec)
+ {
+ return this->get_service().resolve(this->get_implementation(), e, ec);
+ }
+
+ /// Asynchronously perform reverse resolution of an endpoint to a list of
+ /// entries.
+ /**
+ * This function is used to asynchronously resolve an endpoint into a list of
+ * endpoint entries.
+ *
+ * @param e An endpoint object that determines what endpoints will be
+ * returned.
+ *
+ * @param handler The handler to be called when the resolve operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * resolver::results_type results // Resolved endpoints as a range.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. Invocation
+ * of the handler will be performed in a manner equivalent to using
+ * asio::io_context::post().
+ *
+ * A successful resolve operation is guaranteed to pass a non-empty range to
+ * the handler.
+ */
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(const endpoint_type& e,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ // If you get an error on the following line it means that your handler does
+ // not meet the documented type requirements for a ResolveHandler.
+ ASIO_RESOLVE_HANDLER_CHECK(
+ ResolveHandler, handler, results_type) type_check;
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+ return this->get_service().async_resolve(this->get_implementation(), e,
+ ASIO_MOVE_CAST(ResolveHandler)(handler));
+#else // defined(ASIO_ENABLE_OLD_SERVICES)
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ this->get_service().async_resolve(
+ this->get_implementation(), e, init.completion_handler);
+
+ return init.result.get();
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ }
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(ASIO_ENABLE_OLD_SERVICES)
+# undef ASIO_SVC_T
+#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
+
+#endif // ASIO_IP_BASIC_RESOLVER_HPP
diff --git a/lib/asio/ip/basic_resolver_entry.hpp b/lib/asio/ip/basic_resolver_entry.hpp
new file mode 100644
index 0000000..99bcbd2
--- /dev/null
+++ b/lib/asio/ip/basic_resolver_entry.hpp
@@ -0,0 +1,113 @@
+//
+// ip/basic_resolver_entry.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_RESOLVER_ENTRY_HPP
+#define ASIO_IP_BASIC_RESOLVER_ENTRY_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/string_view.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// An entry produced by a resolver.
+/**
+ * The asio::ip::basic_resolver_entry class template describes an entry
+ * as returned by a resolver.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol>
+class basic_resolver_entry
+{
+public:
+ /// The protocol type associated with the endpoint entry.
+ typedef InternetProtocol protocol_type;
+
+ /// The endpoint type associated with the endpoint entry.
+ typedef typename InternetProtocol::endpoint endpoint_type;
+
+ /// Default constructor.
+ basic_resolver_entry()
+ {
+ }
+
+ /// Construct with specified endpoint, host name and service name.
+ basic_resolver_entry(const endpoint_type& ep,
+ ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service)
+ : endpoint_(ep),
+ host_name_(static_cast<std::string>(host)),
+ service_name_(static_cast<std::string>(service))
+ {
+ }
+
+ /// Get the endpoint associated with the entry.
+ endpoint_type endpoint() const
+ {
+ return endpoint_;
+ }
+
+ /// Convert to the endpoint associated with the entry.
+ operator endpoint_type() const
+ {
+ return endpoint_;
+ }
+
+ /// Get the host name associated with the entry.
+ std::string host_name() const
+ {
+ return host_name_;
+ }
+
+ /// Get the host name associated with the entry.
+ template <class Allocator>
+ std::basic_string<char, std::char_traits<char>, Allocator> host_name(
+ const Allocator& alloc = Allocator()) const
+ {
+ return std::basic_string<char, std::char_traits<char>, Allocator>(
+ host_name_.c_str(), alloc);
+ }
+
+ /// Get the service name associated with the entry.
+ std::string service_name() const
+ {
+ return service_name_;
+ }
+
+ /// Get the service name associated with the entry.
+ template <class Allocator>
+ std::basic_string<char, std::char_traits<char>, Allocator> service_name(
+ const Allocator& alloc = Allocator()) const
+ {
+ return std::basic_string<char, std::char_traits<char>, Allocator>(
+ service_name_.c_str(), alloc);
+ }
+
+private:
+ endpoint_type endpoint_;
+ std::string host_name_;
+ std::string service_name_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_BASIC_RESOLVER_ENTRY_HPP
diff --git a/lib/asio/ip/basic_resolver_iterator.hpp b/lib/asio/ip/basic_resolver_iterator.hpp
new file mode 100644
index 0000000..ec5412c
--- /dev/null
+++ b/lib/asio/ip/basic_resolver_iterator.hpp
@@ -0,0 +1,192 @@
+//
+// ip/basic_resolver_iterator.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_RESOLVER_ITERATOR_HPP
+#define ASIO_IP_BASIC_RESOLVER_ITERATOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstddef>
+#include <cstring>
+#include <iterator>
+#include <string>
+#include <vector>
+#include "asio/detail/memory.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/ip/basic_resolver_entry.hpp"
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/winrt_utils.hpp"
+#endif // defined(ASIO_WINDOWS_RUNTIME)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// An iterator over the entries produced by a resolver.
+/**
+ * The asio::ip::basic_resolver_iterator class template is used to define
+ * iterators over the results returned by a resolver.
+ *
+ * The iterator's value_type, obtained when the iterator is dereferenced, is:
+ * @code const basic_resolver_entry<InternetProtocol> @endcode
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol>
+class basic_resolver_iterator
+{
+public:
+ /// The type used for the distance between two iterators.
+ typedef std::ptrdiff_t difference_type;
+
+ /// The type of the value pointed to by the iterator.
+ typedef basic_resolver_entry<InternetProtocol> value_type;
+
+ /// The type of the result of applying operator->() to the iterator.
+ typedef const basic_resolver_entry<InternetProtocol>* pointer;
+
+ /// The type of the result of applying operator*() to the iterator.
+ typedef const basic_resolver_entry<InternetProtocol>& reference;
+
+ /// The iterator category.
+ typedef std::forward_iterator_tag iterator_category;
+
+ /// Default constructor creates an end iterator.
+ basic_resolver_iterator()
+ : index_(0)
+ {
+ }
+
+ /// Copy constructor.
+ basic_resolver_iterator(const basic_resolver_iterator& other)
+ : values_(other.values_),
+ index_(other.index_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move constructor.
+ basic_resolver_iterator(basic_resolver_iterator&& other)
+ : values_(ASIO_MOVE_CAST(values_ptr_type)(other.values_)),
+ index_(other.index_)
+ {
+ other.index_ = 0;
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Assignment operator.
+ basic_resolver_iterator& operator=(const basic_resolver_iterator& other)
+ {
+ values_ = other.values_;
+ index_ = other.index_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-assignment operator.
+ basic_resolver_iterator& operator=(basic_resolver_iterator&& other)
+ {
+ if (this != &other)
+ {
+ values_ = ASIO_MOVE_CAST(values_ptr_type)(other.values_);
+ index_ = other.index_;
+ other.index_ = 0;
+ }
+
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Dereference an iterator.
+ const basic_resolver_entry<InternetProtocol>& operator*() const
+ {
+ return dereference();
+ }
+
+ /// Dereference an iterator.
+ const basic_resolver_entry<InternetProtocol>* operator->() const
+ {
+ return &dereference();
+ }
+
+ /// Increment operator (prefix).
+ basic_resolver_iterator& operator++()
+ {
+ increment();
+ return *this;
+ }
+
+ /// Increment operator (postfix).
+ basic_resolver_iterator operator++(int)
+ {
+ basic_resolver_iterator tmp(*this);
+ ++*this;
+ return tmp;
+ }
+
+ /// Test two iterators for equality.
+ friend bool operator==(const basic_resolver_iterator& a,
+ const basic_resolver_iterator& b)
+ {
+ return a.equal(b);
+ }
+
+ /// Test two iterators for inequality.
+ friend bool operator!=(const basic_resolver_iterator& a,
+ const basic_resolver_iterator& b)
+ {
+ return !a.equal(b);
+ }
+
+protected:
+ void increment()
+ {
+ if (++index_ == values_->size())
+ {
+ // Reset state to match a default constructed end iterator.
+ values_.reset();
+ index_ = 0;
+ }
+ }
+
+ bool equal(const basic_resolver_iterator& other) const
+ {
+ if (!values_ && !other.values_)
+ return true;
+ if (values_ != other.values_)
+ return false;
+ return index_ == other.index_;
+ }
+
+ const basic_resolver_entry<InternetProtocol>& dereference() const
+ {
+ return (*values_)[index_];
+ }
+
+ typedef std::vector<basic_resolver_entry<InternetProtocol> > values_type;
+ typedef asio::detail::shared_ptr<values_type> values_ptr_type;
+ values_ptr_type values_;
+ std::size_t index_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_BASIC_RESOLVER_ITERATOR_HPP
diff --git a/lib/asio/ip/basic_resolver_query.hpp b/lib/asio/ip/basic_resolver_query.hpp
new file mode 100644
index 0000000..84cd98d
--- /dev/null
+++ b/lib/asio/ip/basic_resolver_query.hpp
@@ -0,0 +1,244 @@
+//
+// ip/basic_resolver_query.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_RESOLVER_QUERY_HPP
+#define ASIO_IP_BASIC_RESOLVER_QUERY_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/socket_ops.hpp"
+#include "asio/ip/resolver_query_base.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// An query to be passed to a resolver.
+/**
+ * The asio::ip::basic_resolver_query class template describes a query
+ * that can be passed to a resolver.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol>
+class basic_resolver_query
+ : public resolver_query_base
+{
+public:
+ /// The protocol type associated with the endpoint query.
+ typedef InternetProtocol protocol_type;
+
+ /// Construct with specified service name for any protocol.
+ /**
+ * This constructor is typically used to perform name resolution for local
+ * service binding.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for local service
+ * binding.
+ *
+ * @note On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ basic_resolver_query(const std::string& service,
+ resolver_query_base::flags resolve_flags = passive | address_configured)
+ : hints_(),
+ host_name_(),
+ service_name_(service)
+ {
+ typename InternetProtocol::endpoint endpoint;
+ hints_.ai_flags = static_cast<int>(resolve_flags);
+ hints_.ai_family = PF_UNSPEC;
+ hints_.ai_socktype = endpoint.protocol().type();
+ hints_.ai_protocol = endpoint.protocol().protocol();
+ hints_.ai_addrlen = 0;
+ hints_.ai_canonname = 0;
+ hints_.ai_addr = 0;
+ hints_.ai_next = 0;
+ }
+
+ /// Construct with specified service name for a given protocol.
+ /**
+ * This constructor is typically used to perform name resolution for local
+ * service binding with a specific protocol version.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for local service
+ * binding.
+ *
+ * @note On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ basic_resolver_query(const protocol_type& protocol,
+ const std::string& service,
+ resolver_query_base::flags resolve_flags = passive | address_configured)
+ : hints_(),
+ host_name_(),
+ service_name_(service)
+ {
+ hints_.ai_flags = static_cast<int>(resolve_flags);
+ hints_.ai_family = protocol.family();
+ hints_.ai_socktype = protocol.type();
+ hints_.ai_protocol = protocol.protocol();
+ hints_.ai_addrlen = 0;
+ hints_.ai_canonname = 0;
+ hints_.ai_addr = 0;
+ hints_.ai_next = 0;
+ }
+
+ /// Construct with specified host name and service name for any protocol.
+ /**
+ * This constructor is typically used to perform name resolution for
+ * communication with remote hosts.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ basic_resolver_query(const std::string& host, const std::string& service,
+ resolver_query_base::flags resolve_flags = address_configured)
+ : hints_(),
+ host_name_(host),
+ service_name_(service)
+ {
+ typename InternetProtocol::endpoint endpoint;
+ hints_.ai_flags = static_cast<int>(resolve_flags);
+ hints_.ai_family = ASIO_OS_DEF(AF_UNSPEC);
+ hints_.ai_socktype = endpoint.protocol().type();
+ hints_.ai_protocol = endpoint.protocol().protocol();
+ hints_.ai_addrlen = 0;
+ hints_.ai_canonname = 0;
+ hints_.ai_addr = 0;
+ hints_.ai_next = 0;
+ }
+
+ /// Construct with specified host name and service name for a given protocol.
+ /**
+ * This constructor is typically used to perform name resolution for
+ * communication with remote hosts.
+ *
+ * @param protocol A protocol object, normally representing either the IPv4 or
+ * IPv6 version of an internet protocol.
+ *
+ * @param host A string identifying a location. May be a descriptive name or
+ * a numeric address string. If an empty string and the passive flag has been
+ * specified, the resolved endpoints are suitable for local service binding.
+ * If an empty string and passive is not specified, the resolved endpoints
+ * will use the loopback address.
+ *
+ * @param service A string identifying the requested service. This may be a
+ * descriptive name or a numeric string corresponding to a port number. May
+ * be an empty string, in which case all resolved endpoints will have a port
+ * number of 0.
+ *
+ * @param resolve_flags A set of flags that determine how name resolution
+ * should be performed. The default flags are suitable for communication with
+ * remote hosts.
+ *
+ * @note On POSIX systems, host names may be locally defined in the file
+ * <tt>/etc/hosts</tt>. On Windows, host names may be defined in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\hosts</tt>. Remote host name
+ * resolution is performed using DNS. Operating systems may use additional
+ * locations when resolving host names (such as NETBIOS names on Windows).
+ *
+ * On POSIX systems, service names are typically defined in the file
+ * <tt>/etc/services</tt>. On Windows, service names may be found in the file
+ * <tt>c:\\windows\\system32\\drivers\\etc\\services</tt>. Operating systems
+ * may use additional locations when resolving service names.
+ */
+ basic_resolver_query(const protocol_type& protocol,
+ const std::string& host, const std::string& service,
+ resolver_query_base::flags resolve_flags = address_configured)
+ : hints_(),
+ host_name_(host),
+ service_name_(service)
+ {
+ hints_.ai_flags = static_cast<int>(resolve_flags);
+ hints_.ai_family = protocol.family();
+ hints_.ai_socktype = protocol.type();
+ hints_.ai_protocol = protocol.protocol();
+ hints_.ai_addrlen = 0;
+ hints_.ai_canonname = 0;
+ hints_.ai_addr = 0;
+ hints_.ai_next = 0;
+ }
+
+ /// Get the hints associated with the query.
+ const asio::detail::addrinfo_type& hints() const
+ {
+ return hints_;
+ }
+
+ /// Get the host name associated with the query.
+ std::string host_name() const
+ {
+ return host_name_;
+ }
+
+ /// Get the service name associated with the query.
+ std::string service_name() const
+ {
+ return service_name_;
+ }
+
+private:
+ asio::detail::addrinfo_type hints_;
+ std::string host_name_;
+ std::string service_name_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_BASIC_RESOLVER_QUERY_HPP
diff --git a/lib/asio/ip/basic_resolver_results.hpp b/lib/asio/ip/basic_resolver_results.hpp
new file mode 100644
index 0000000..185075f
--- /dev/null
+++ b/lib/asio/ip/basic_resolver_results.hpp
@@ -0,0 +1,311 @@
+//
+// ip/basic_resolver_results.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_BASIC_RESOLVER_RESULTS_HPP
+#define ASIO_IP_BASIC_RESOLVER_RESULTS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstddef>
+#include <cstring>
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/winrt_utils.hpp"
+#endif // defined(ASIO_WINDOWS_RUNTIME)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// A range of entries produced by a resolver.
+/**
+ * The asio::ip::basic_resolver_results class template is used to define
+ * a range over the results returned by a resolver.
+ *
+ * The iterator's value_type, obtained when a results iterator is dereferenced,
+ * is: @code const basic_resolver_entry<InternetProtocol> @endcode
+ *
+ * @note For backward compatibility, basic_resolver_results is derived from
+ * basic_resolver_iterator. This derivation is deprecated.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol>
+class basic_resolver_results
+#if !defined(ASIO_NO_DEPRECATED)
+ : public basic_resolver_iterator<InternetProtocol>
+#else // !defined(ASIO_NO_DEPRECATED)
+ : private basic_resolver_iterator<InternetProtocol>
+#endif // !defined(ASIO_NO_DEPRECATED)
+{
+public:
+ /// The protocol type associated with the results.
+ typedef InternetProtocol protocol_type;
+
+ /// The endpoint type associated with the results.
+ typedef typename protocol_type::endpoint endpoint_type;
+
+ /// The type of a value in the results range.
+ typedef basic_resolver_entry<protocol_type> value_type;
+
+ /// The type of a const reference to a value in the range.
+ typedef const value_type& const_reference;
+
+ /// The type of a non-const reference to a value in the range.
+ typedef value_type& reference;
+
+ /// The type of an iterator into the range.
+ typedef basic_resolver_iterator<protocol_type> const_iterator;
+
+ /// The type of an iterator into the range.
+ typedef const_iterator iterator;
+
+ /// Type used to represent the distance between two iterators in the range.
+ typedef std::ptrdiff_t difference_type;
+
+ /// Type used to represent a count of the elements in the range.
+ typedef std::size_t size_type;
+
+ /// Default constructor creates an empty range.
+ basic_resolver_results()
+ {
+ }
+
+ /// Copy constructor.
+ basic_resolver_results(const basic_resolver_results& other)
+ : basic_resolver_iterator<InternetProtocol>(other)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move constructor.
+ basic_resolver_results(basic_resolver_results&& other)
+ : basic_resolver_iterator<InternetProtocol>(
+ ASIO_MOVE_CAST(basic_resolver_results)(other))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Assignment operator.
+ basic_resolver_results& operator=(const basic_resolver_results& other)
+ {
+ basic_resolver_iterator<InternetProtocol>::operator=(other);
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-assignment operator.
+ basic_resolver_results& operator=(basic_resolver_results&& other)
+ {
+ basic_resolver_iterator<InternetProtocol>::operator=(
+ ASIO_MOVE_CAST(basic_resolver_results)(other));
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+#if !defined(GENERATING_DOCUMENTATION)
+ // Create results from an addrinfo list returned by getaddrinfo.
+ static basic_resolver_results create(
+ asio::detail::addrinfo_type* address_info,
+ const std::string& host_name, const std::string& service_name)
+ {
+ basic_resolver_results results;
+ if (!address_info)
+ return results;
+
+ std::string actual_host_name = host_name;
+ if (address_info->ai_canonname)
+ actual_host_name = address_info->ai_canonname;
+
+ results.values_.reset(new values_type);
+
+ while (address_info)
+ {
+ if (address_info->ai_family == ASIO_OS_DEF(AF_INET)
+ || address_info->ai_family == ASIO_OS_DEF(AF_INET6))
+ {
+ using namespace std; // For memcpy.
+ typename InternetProtocol::endpoint endpoint;
+ endpoint.resize(static_cast<std::size_t>(address_info->ai_addrlen));
+ memcpy(endpoint.data(), address_info->ai_addr,
+ address_info->ai_addrlen);
+ results.values_->push_back(
+ basic_resolver_entry<InternetProtocol>(endpoint,
+ actual_host_name, service_name));
+ }
+ address_info = address_info->ai_next;
+ }
+
+ return results;
+ }
+
+ // Create results from an endpoint, host name and service name.
+ static basic_resolver_results create(const endpoint_type& endpoint,
+ const std::string& host_name, const std::string& service_name)
+ {
+ basic_resolver_results results;
+ results.values_.reset(new values_type);
+ results.values_->push_back(
+ basic_resolver_entry<InternetProtocol>(
+ endpoint, host_name, service_name));
+ return results;
+ }
+
+ // Create results from a sequence of endpoints, host and service name.
+ template <typename EndpointIterator>
+ static basic_resolver_results create(
+ EndpointIterator begin, EndpointIterator end,
+ const std::string& host_name, const std::string& service_name)
+ {
+ basic_resolver_results results;
+ if (begin != end)
+ {
+ results.values_.reset(new values_type);
+ for (EndpointIterator ep_iter = begin; ep_iter != end; ++ep_iter)
+ {
+ results.values_->push_back(
+ basic_resolver_entry<InternetProtocol>(
+ *ep_iter, host_name, service_name));
+ }
+ }
+ return results;
+ }
+
+# if defined(ASIO_WINDOWS_RUNTIME)
+ // Create results from a Windows Runtime list of EndpointPair objects.
+ static basic_resolver_results create(
+ Windows::Foundation::Collections::IVectorView<
+ Windows::Networking::EndpointPair^>^ endpoints,
+ const asio::detail::addrinfo_type& hints,
+ const std::string& host_name, const std::string& service_name)
+ {
+ basic_resolver_results results;
+ if (endpoints->Size)
+ {
+ results.values_.reset(new values_type);
+ for (unsigned int i = 0; i < endpoints->Size; ++i)
+ {
+ auto pair = endpoints->GetAt(i);
+
+ if (hints.ai_family == ASIO_OS_DEF(AF_INET)
+ && pair->RemoteHostName->Type
+ != Windows::Networking::HostNameType::Ipv4)
+ continue;
+
+ if (hints.ai_family == ASIO_OS_DEF(AF_INET6)
+ && pair->RemoteHostName->Type
+ != Windows::Networking::HostNameType::Ipv6)
+ continue;
+
+ results.values_->push_back(
+ basic_resolver_entry<InternetProtocol>(
+ typename InternetProtocol::endpoint(
+ ip::make_address(
+ asio::detail::winrt_utils::string(
+ pair->RemoteHostName->CanonicalName)),
+ asio::detail::winrt_utils::integer(
+ pair->RemoteServiceName)),
+ host_name, service_name));
+ }
+ }
+ return results;
+ }
+# endif // defined(ASIO_WINDOWS_RUNTIME)
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+ /// Get the number of entries in the results range.
+ size_type size() const ASIO_NOEXCEPT
+ {
+ return this->values_->size();
+ }
+
+ /// Get the maximum number of entries permitted in a results range.
+ size_type max_size() const ASIO_NOEXCEPT
+ {
+ return this->values_->max_size();
+ }
+
+ /// Determine whether the results range is empty.
+ bool empty() const ASIO_NOEXCEPT
+ {
+ return this->values_->empty();
+ }
+
+ /// Obtain a begin iterator for the results range.
+ const_iterator begin() const
+ {
+ basic_resolver_results tmp(*this);
+ tmp.index_ = 0;
+ return tmp;
+ }
+
+ /// Obtain an end iterator for the results range.
+ const_iterator end() const
+ {
+ return const_iterator();
+ }
+
+ /// Obtain a begin iterator for the results range.
+ const_iterator cbegin() const
+ {
+ return begin();
+ }
+
+ /// Obtain an end iterator for the results range.
+ const_iterator cend() const
+ {
+ return end();
+ }
+
+ /// Swap the results range with another.
+ void swap(basic_resolver_results& that) ASIO_NOEXCEPT
+ {
+ if (this != &that)
+ {
+ this->values_.swap(that.values_);
+ std::size_t index = this->index_;
+ this->index_ = that.index_;
+ that.index_ = index;
+ }
+ }
+
+ /// Test two iterators for equality.
+ friend bool operator==(const basic_resolver_results& a,
+ const basic_resolver_results& b)
+ {
+ return a.equal(b);
+ }
+
+ /// Test two iterators for inequality.
+ friend bool operator!=(const basic_resolver_results& a,
+ const basic_resolver_results& b)
+ {
+ return !a.equal(b);
+ }
+
+private:
+ typedef std::vector<basic_resolver_entry<InternetProtocol> > values_type;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_BASIC_RESOLVER_RESULTS_HPP
diff --git a/lib/asio/ip/detail/endpoint.hpp b/lib/asio/ip/detail/endpoint.hpp
new file mode 100644
index 0000000..9acefe5
--- /dev/null
+++ b/lib/asio/ip/detail/endpoint.hpp
@@ -0,0 +1,139 @@
+//
+// ip/detail/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_DETAIL_ENDPOINT_HPP
+#define ASIO_IP_DETAIL_ENDPOINT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/winsock_init.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ip/address.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+namespace detail {
+
+// Helper class for implementating an IP endpoint.
+class endpoint
+{
+public:
+ // Default constructor.
+ ASIO_DECL endpoint();
+
+ // Construct an endpoint using a family and port number.
+ ASIO_DECL endpoint(int family, unsigned short port_num);
+
+ // Construct an endpoint using an address and port number.
+ ASIO_DECL endpoint(const asio::ip::address& addr,
+ unsigned short port_num);
+
+ // Copy constructor.
+ endpoint(const endpoint& other)
+ : data_(other.data_)
+ {
+ }
+
+ // Assign from another endpoint.
+ endpoint& operator=(const endpoint& other)
+ {
+ data_ = other.data_;
+ return *this;
+ }
+
+ // Get the underlying endpoint in the native type.
+ asio::detail::socket_addr_type* data()
+ {
+ return &data_.base;
+ }
+
+ // Get the underlying endpoint in the native type.
+ const asio::detail::socket_addr_type* data() const
+ {
+ return &data_.base;
+ }
+
+ // Get the underlying size of the endpoint in the native type.
+ std::size_t size() const
+ {
+ if (is_v4())
+ return sizeof(asio::detail::sockaddr_in4_type);
+ else
+ return sizeof(asio::detail::sockaddr_in6_type);
+ }
+
+ // Set the underlying size of the endpoint in the native type.
+ ASIO_DECL void resize(std::size_t new_size);
+
+ // Get the capacity of the endpoint in the native type.
+ std::size_t capacity() const
+ {
+ return sizeof(data_);
+ }
+
+ // Get the port associated with the endpoint.
+ ASIO_DECL unsigned short port() const;
+
+ // Set the port associated with the endpoint.
+ ASIO_DECL void port(unsigned short port_num);
+
+ // Get the IP address associated with the endpoint.
+ ASIO_DECL asio::ip::address address() const;
+
+ // Set the IP address associated with the endpoint.
+ ASIO_DECL void address(const asio::ip::address& addr);
+
+ // Compare two endpoints for equality.
+ ASIO_DECL friend bool operator==(
+ const endpoint& e1, const endpoint& e2);
+
+ // Compare endpoints for ordering.
+ ASIO_DECL friend bool operator<(
+ const endpoint& e1, const endpoint& e2);
+
+ // Determine whether the endpoint is IPv4.
+ bool is_v4() const
+ {
+ return data_.base.sa_family == ASIO_OS_DEF(AF_INET);
+ }
+
+#if !defined(ASIO_NO_IOSTREAM)
+ // Convert to a string.
+ ASIO_DECL std::string to_string() const;
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+private:
+ // The underlying IP socket address.
+ union data_union
+ {
+ asio::detail::socket_addr_type base;
+ asio::detail::sockaddr_in4_type v4;
+ asio::detail::sockaddr_in6_type v6;
+ } data_;
+};
+
+} // namespace detail
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/detail/impl/endpoint.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_DETAIL_ENDPOINT_HPP
diff --git a/lib/asio/ip/detail/impl/endpoint.ipp b/lib/asio/ip/detail/impl/endpoint.ipp
new file mode 100644
index 0000000..304bdf3
--- /dev/null
+++ b/lib/asio/ip/detail/impl/endpoint.ipp
@@ -0,0 +1,199 @@
+//
+// ip/detail/impl/endpoint.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP
+#define ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstring>
+#if !defined(ASIO_NO_IOSTREAM)
+# include <sstream>
+#endif // !defined(ASIO_NO_IOSTREAM)
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/ip/detail/endpoint.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+namespace detail {
+
+endpoint::endpoint()
+ : data_()
+{
+ data_.v4.sin_family = ASIO_OS_DEF(AF_INET);
+ data_.v4.sin_port = 0;
+ data_.v4.sin_addr.s_addr = ASIO_OS_DEF(INADDR_ANY);
+}
+
+endpoint::endpoint(int family, unsigned short port_num)
+ : data_()
+{
+ using namespace std; // For memcpy.
+ if (family == ASIO_OS_DEF(AF_INET))
+ {
+ data_.v4.sin_family = ASIO_OS_DEF(AF_INET);
+ data_.v4.sin_port =
+ asio::detail::socket_ops::host_to_network_short(port_num);
+ data_.v4.sin_addr.s_addr = ASIO_OS_DEF(INADDR_ANY);
+ }
+ else
+ {
+ data_.v6.sin6_family = ASIO_OS_DEF(AF_INET6);
+ data_.v6.sin6_port =
+ asio::detail::socket_ops::host_to_network_short(port_num);
+ data_.v6.sin6_flowinfo = 0;
+ data_.v6.sin6_addr.s6_addr[0] = 0; data_.v6.sin6_addr.s6_addr[1] = 0;
+ data_.v6.sin6_addr.s6_addr[2] = 0; data_.v6.sin6_addr.s6_addr[3] = 0;
+ data_.v6.sin6_addr.s6_addr[4] = 0; data_.v6.sin6_addr.s6_addr[5] = 0;
+ data_.v6.sin6_addr.s6_addr[6] = 0; data_.v6.sin6_addr.s6_addr[7] = 0;
+ data_.v6.sin6_addr.s6_addr[8] = 0; data_.v6.sin6_addr.s6_addr[9] = 0;
+ data_.v6.sin6_addr.s6_addr[10] = 0; data_.v6.sin6_addr.s6_addr[11] = 0;
+ data_.v6.sin6_addr.s6_addr[12] = 0; data_.v6.sin6_addr.s6_addr[13] = 0;
+ data_.v6.sin6_addr.s6_addr[14] = 0; data_.v6.sin6_addr.s6_addr[15] = 0;
+ data_.v6.sin6_scope_id = 0;
+ }
+}
+
+endpoint::endpoint(const asio::ip::address& addr,
+ unsigned short port_num)
+ : data_()
+{
+ using namespace std; // For memcpy.
+ if (addr.is_v4())
+ {
+ data_.v4.sin_family = ASIO_OS_DEF(AF_INET);
+ data_.v4.sin_port =
+ asio::detail::socket_ops::host_to_network_short(port_num);
+ data_.v4.sin_addr.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ addr.to_v4().to_uint());
+ }
+ else
+ {
+ data_.v6.sin6_family = ASIO_OS_DEF(AF_INET6);
+ data_.v6.sin6_port =
+ asio::detail::socket_ops::host_to_network_short(port_num);
+ data_.v6.sin6_flowinfo = 0;
+ asio::ip::address_v6 v6_addr = addr.to_v6();
+ asio::ip::address_v6::bytes_type bytes = v6_addr.to_bytes();
+ memcpy(data_.v6.sin6_addr.s6_addr, bytes.data(), 16);
+ data_.v6.sin6_scope_id =
+ static_cast<asio::detail::u_long_type>(
+ v6_addr.scope_id());
+ }
+}
+
+void endpoint::resize(std::size_t new_size)
+{
+ if (new_size > sizeof(asio::detail::sockaddr_storage_type))
+ {
+ asio::error_code ec(asio::error::invalid_argument);
+ asio::detail::throw_error(ec);
+ }
+}
+
+unsigned short endpoint::port() const
+{
+ if (is_v4())
+ {
+ return asio::detail::socket_ops::network_to_host_short(
+ data_.v4.sin_port);
+ }
+ else
+ {
+ return asio::detail::socket_ops::network_to_host_short(
+ data_.v6.sin6_port);
+ }
+}
+
+void endpoint::port(unsigned short port_num)
+{
+ if (is_v4())
+ {
+ data_.v4.sin_port
+ = asio::detail::socket_ops::host_to_network_short(port_num);
+ }
+ else
+ {
+ data_.v6.sin6_port
+ = asio::detail::socket_ops::host_to_network_short(port_num);
+ }
+}
+
+asio::ip::address endpoint::address() const
+{
+ using namespace std; // For memcpy.
+ if (is_v4())
+ {
+ return asio::ip::address_v4(
+ asio::detail::socket_ops::network_to_host_long(
+ data_.v4.sin_addr.s_addr));
+ }
+ else
+ {
+ asio::ip::address_v6::bytes_type bytes;
+#if defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.data(), data_.v6.sin6_addr.s6_addr, 16);
+#else // defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.elems, data_.v6.sin6_addr.s6_addr, 16);
+#endif // defined(ASIO_HAS_STD_ARRAY)
+ return asio::ip::address_v6(bytes, data_.v6.sin6_scope_id);
+ }
+}
+
+void endpoint::address(const asio::ip::address& addr)
+{
+ endpoint tmp_endpoint(addr, port());
+ data_ = tmp_endpoint.data_;
+}
+
+bool operator==(const endpoint& e1, const endpoint& e2)
+{
+ return e1.address() == e2.address() && e1.port() == e2.port();
+}
+
+bool operator<(const endpoint& e1, const endpoint& e2)
+{
+ if (e1.address() < e2.address())
+ return true;
+ if (e1.address() != e2.address())
+ return false;
+ return e1.port() < e2.port();
+}
+
+#if !defined(ASIO_NO_IOSTREAM)
+std::string endpoint::to_string() const
+{
+ std::ostringstream tmp_os;
+ tmp_os.imbue(std::locale::classic());
+ if (is_v4())
+ tmp_os << address();
+ else
+ tmp_os << '[' << address() << ']';
+ tmp_os << ':' << port();
+
+ return tmp_os.str();
+}
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace detail
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP
diff --git a/lib/asio/ip/detail/socket_option.hpp b/lib/asio/ip/detail/socket_option.hpp
new file mode 100644
index 0000000..051ef30
--- /dev/null
+++ b/lib/asio/ip/detail/socket_option.hpp
@@ -0,0 +1,566 @@
+//
+// detail/socket_option.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_DETAIL_SOCKET_OPTION_HPP
+#define ASIO_IP_DETAIL_SOCKET_OPTION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstddef>
+#include <cstring>
+#include <stdexcept>
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/ip/address.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+namespace detail {
+namespace socket_option {
+
+// Helper template for implementing multicast enable loopback options.
+template <int IPv4_Level, int IPv4_Name, int IPv6_Level, int IPv6_Name>
+class multicast_enable_loopback
+{
+public:
+#if defined(__sun) || defined(__osf__)
+ typedef unsigned char ipv4_value_type;
+ typedef unsigned char ipv6_value_type;
+#elif defined(_AIX) || defined(__hpux) || defined(__QNXNTO__)
+ typedef unsigned char ipv4_value_type;
+ typedef unsigned int ipv6_value_type;
+#else
+ typedef int ipv4_value_type;
+ typedef int ipv6_value_type;
+#endif
+
+ // Default constructor.
+ multicast_enable_loopback()
+ : ipv4_value_(0),
+ ipv6_value_(0)
+ {
+ }
+
+ // Construct with a specific option value.
+ explicit multicast_enable_loopback(bool v)
+ : ipv4_value_(v ? 1 : 0),
+ ipv6_value_(v ? 1 : 0)
+ {
+ }
+
+ // Set the value of the boolean.
+ multicast_enable_loopback& operator=(bool v)
+ {
+ ipv4_value_ = v ? 1 : 0;
+ ipv6_value_ = v ? 1 : 0;
+ return *this;
+ }
+
+ // Get the current value of the boolean.
+ bool value() const
+ {
+ return !!ipv4_value_;
+ }
+
+ // Convert to bool.
+ operator bool() const
+ {
+ return !!ipv4_value_;
+ }
+
+ // Test for false.
+ bool operator!() const
+ {
+ return !ipv4_value_;
+ }
+
+ // Get the level of the socket option.
+ template <typename Protocol>
+ int level(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Level;
+ return IPv4_Level;
+ }
+
+ // Get the name of the socket option.
+ template <typename Protocol>
+ int name(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Name;
+ return IPv4_Name;
+ }
+
+ // Get the address of the boolean data.
+ template <typename Protocol>
+ void* data(const Protocol& protocol)
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the address of the boolean data.
+ template <typename Protocol>
+ const void* data(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the size of the boolean data.
+ template <typename Protocol>
+ std::size_t size(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return sizeof(ipv6_value_);
+ return sizeof(ipv4_value_);
+ }
+
+ // Set the size of the boolean data.
+ template <typename Protocol>
+ void resize(const Protocol& protocol, std::size_t s)
+ {
+ if (protocol.family() == PF_INET6)
+ {
+ if (s != sizeof(ipv6_value_))
+ {
+ std::length_error ex("multicast_enable_loopback socket option resize");
+ asio::detail::throw_exception(ex);
+ }
+ ipv4_value_ = ipv6_value_ ? 1 : 0;
+ }
+ else
+ {
+ if (s != sizeof(ipv4_value_))
+ {
+ std::length_error ex("multicast_enable_loopback socket option resize");
+ asio::detail::throw_exception(ex);
+ }
+ ipv6_value_ = ipv4_value_ ? 1 : 0;
+ }
+ }
+
+private:
+ ipv4_value_type ipv4_value_;
+ ipv6_value_type ipv6_value_;
+};
+
+// Helper template for implementing unicast hops options.
+template <int IPv4_Level, int IPv4_Name, int IPv6_Level, int IPv6_Name>
+class unicast_hops
+{
+public:
+ // Default constructor.
+ unicast_hops()
+ : value_(0)
+ {
+ }
+
+ // Construct with a specific option value.
+ explicit unicast_hops(int v)
+ : value_(v)
+ {
+ }
+
+ // Set the value of the option.
+ unicast_hops& operator=(int v)
+ {
+ value_ = v;
+ return *this;
+ }
+
+ // Get the current value of the option.
+ int value() const
+ {
+ return value_;
+ }
+
+ // Get the level of the socket option.
+ template <typename Protocol>
+ int level(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Level;
+ return IPv4_Level;
+ }
+
+ // Get the name of the socket option.
+ template <typename Protocol>
+ int name(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Name;
+ return IPv4_Name;
+ }
+
+ // Get the address of the data.
+ template <typename Protocol>
+ int* data(const Protocol&)
+ {
+ return &value_;
+ }
+
+ // Get the address of the data.
+ template <typename Protocol>
+ const int* data(const Protocol&) const
+ {
+ return &value_;
+ }
+
+ // Get the size of the data.
+ template <typename Protocol>
+ std::size_t size(const Protocol&) const
+ {
+ return sizeof(value_);
+ }
+
+ // Set the size of the data.
+ template <typename Protocol>
+ void resize(const Protocol&, std::size_t s)
+ {
+ if (s != sizeof(value_))
+ {
+ std::length_error ex("unicast hops socket option resize");
+ asio::detail::throw_exception(ex);
+ }
+#if defined(__hpux)
+ if (value_ < 0)
+ value_ = value_ & 0xFF;
+#endif
+ }
+
+private:
+ int value_;
+};
+
+// Helper template for implementing multicast hops options.
+template <int IPv4_Level, int IPv4_Name, int IPv6_Level, int IPv6_Name>
+class multicast_hops
+{
+public:
+#if defined(ASIO_WINDOWS) && defined(UNDER_CE)
+ typedef int ipv4_value_type;
+#else
+ typedef unsigned char ipv4_value_type;
+#endif
+ typedef int ipv6_value_type;
+
+ // Default constructor.
+ multicast_hops()
+ : ipv4_value_(0),
+ ipv6_value_(0)
+ {
+ }
+
+ // Construct with a specific option value.
+ explicit multicast_hops(int v)
+ {
+ if (v < 0 || v > 255)
+ {
+ std::out_of_range ex("multicast hops value out of range");
+ asio::detail::throw_exception(ex);
+ }
+ ipv4_value_ = (ipv4_value_type)v;
+ ipv6_value_ = v;
+ }
+
+ // Set the value of the option.
+ multicast_hops& operator=(int v)
+ {
+ if (v < 0 || v > 255)
+ {
+ std::out_of_range ex("multicast hops value out of range");
+ asio::detail::throw_exception(ex);
+ }
+ ipv4_value_ = (ipv4_value_type)v;
+ ipv6_value_ = v;
+ return *this;
+ }
+
+ // Get the current value of the option.
+ int value() const
+ {
+ return ipv6_value_;
+ }
+
+ // Get the level of the socket option.
+ template <typename Protocol>
+ int level(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Level;
+ return IPv4_Level;
+ }
+
+ // Get the name of the socket option.
+ template <typename Protocol>
+ int name(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Name;
+ return IPv4_Name;
+ }
+
+ // Get the address of the data.
+ template <typename Protocol>
+ void* data(const Protocol& protocol)
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the address of the data.
+ template <typename Protocol>
+ const void* data(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the size of the data.
+ template <typename Protocol>
+ std::size_t size(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return sizeof(ipv6_value_);
+ return sizeof(ipv4_value_);
+ }
+
+ // Set the size of the data.
+ template <typename Protocol>
+ void resize(const Protocol& protocol, std::size_t s)
+ {
+ if (protocol.family() == PF_INET6)
+ {
+ if (s != sizeof(ipv6_value_))
+ {
+ std::length_error ex("multicast hops socket option resize");
+ asio::detail::throw_exception(ex);
+ }
+ if (ipv6_value_ < 0)
+ ipv4_value_ = 0;
+ else if (ipv6_value_ > 255)
+ ipv4_value_ = 255;
+ else
+ ipv4_value_ = (ipv4_value_type)ipv6_value_;
+ }
+ else
+ {
+ if (s != sizeof(ipv4_value_))
+ {
+ std::length_error ex("multicast hops socket option resize");
+ asio::detail::throw_exception(ex);
+ }
+ ipv6_value_ = ipv4_value_;
+ }
+ }
+
+private:
+ ipv4_value_type ipv4_value_;
+ ipv6_value_type ipv6_value_;
+};
+
+// Helper template for implementing ip_mreq-based options.
+template <int IPv4_Level, int IPv4_Name, int IPv6_Level, int IPv6_Name>
+class multicast_request
+{
+public:
+ // Default constructor.
+ multicast_request()
+ : ipv4_value_(), // Zero-initialisation gives the "any" address.
+ ipv6_value_() // Zero-initialisation gives the "any" address.
+ {
+ }
+
+ // Construct with multicast address only.
+ explicit multicast_request(const address& multicast_address)
+ : ipv4_value_(), // Zero-initialisation gives the "any" address.
+ ipv6_value_() // Zero-initialisation gives the "any" address.
+ {
+ if (multicast_address.is_v6())
+ {
+ using namespace std; // For memcpy.
+ address_v6 ipv6_address = multicast_address.to_v6();
+ address_v6::bytes_type bytes = ipv6_address.to_bytes();
+ memcpy(ipv6_value_.ipv6mr_multiaddr.s6_addr, bytes.data(), 16);
+ ipv6_value_.ipv6mr_interface = ipv6_address.scope_id();
+ }
+ else
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ multicast_address.to_v4().to_uint());
+ ipv4_value_.imr_interface.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ address_v4::any().to_uint());
+ }
+ }
+
+ // Construct with multicast address and IPv4 address specifying an interface.
+ explicit multicast_request(const address_v4& multicast_address,
+ const address_v4& network_interface = address_v4::any())
+ : ipv6_value_() // Zero-initialisation gives the "any" address.
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ multicast_address.to_uint());
+ ipv4_value_.imr_interface.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ network_interface.to_uint());
+ }
+
+ // Construct with multicast address and IPv6 network interface index.
+ explicit multicast_request(
+ const address_v6& multicast_address,
+ unsigned long network_interface = 0)
+ : ipv4_value_() // Zero-initialisation gives the "any" address.
+ {
+ using namespace std; // For memcpy.
+ address_v6::bytes_type bytes = multicast_address.to_bytes();
+ memcpy(ipv6_value_.ipv6mr_multiaddr.s6_addr, bytes.data(), 16);
+ if (network_interface)
+ ipv6_value_.ipv6mr_interface = network_interface;
+ else
+ ipv6_value_.ipv6mr_interface = multicast_address.scope_id();
+ }
+
+ // Get the level of the socket option.
+ template <typename Protocol>
+ int level(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Level;
+ return IPv4_Level;
+ }
+
+ // Get the name of the socket option.
+ template <typename Protocol>
+ int name(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Name;
+ return IPv4_Name;
+ }
+
+ // Get the address of the option data.
+ template <typename Protocol>
+ const void* data(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the size of the option data.
+ template <typename Protocol>
+ std::size_t size(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return sizeof(ipv6_value_);
+ return sizeof(ipv4_value_);
+ }
+
+private:
+ asio::detail::in4_mreq_type ipv4_value_;
+ asio::detail::in6_mreq_type ipv6_value_;
+};
+
+// Helper template for implementing options that specify a network interface.
+template <int IPv4_Level, int IPv4_Name, int IPv6_Level, int IPv6_Name>
+class network_interface
+{
+public:
+ // Default constructor.
+ network_interface()
+ {
+ ipv4_value_.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ address_v4::any().to_uint());
+ ipv6_value_ = 0;
+ }
+
+ // Construct with IPv4 interface.
+ explicit network_interface(const address_v4& ipv4_interface)
+ {
+ ipv4_value_.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ ipv4_interface.to_uint());
+ ipv6_value_ = 0;
+ }
+
+ // Construct with IPv6 interface.
+ explicit network_interface(unsigned int ipv6_interface)
+ {
+ ipv4_value_.s_addr =
+ asio::detail::socket_ops::host_to_network_long(
+ address_v4::any().to_uint());
+ ipv6_value_ = ipv6_interface;
+ }
+
+ // Get the level of the socket option.
+ template <typename Protocol>
+ int level(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Level;
+ return IPv4_Level;
+ }
+
+ // Get the name of the socket option.
+ template <typename Protocol>
+ int name(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return IPv6_Name;
+ return IPv4_Name;
+ }
+
+ // Get the address of the option data.
+ template <typename Protocol>
+ const void* data(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return &ipv6_value_;
+ return &ipv4_value_;
+ }
+
+ // Get the size of the option data.
+ template <typename Protocol>
+ std::size_t size(const Protocol& protocol) const
+ {
+ if (protocol.family() == PF_INET6)
+ return sizeof(ipv6_value_);
+ return sizeof(ipv4_value_);
+ }
+
+private:
+ asio::detail::in4_addr_type ipv4_value_;
+ unsigned int ipv6_value_;
+};
+
+} // namespace socket_option
+} // namespace detail
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_DETAIL_SOCKET_OPTION_HPP
diff --git a/lib/asio/ip/host_name.hpp b/lib/asio/ip/host_name.hpp
new file mode 100644
index 0000000..d06de50
--- /dev/null
+++ b/lib/asio/ip/host_name.hpp
@@ -0,0 +1,42 @@
+//
+// ip/host_name.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_HOST_NAME_HPP
+#define ASIO_IP_HOST_NAME_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/error_code.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Get the current host name.
+ASIO_DECL std::string host_name();
+
+/// Get the current host name.
+ASIO_DECL std::string host_name(asio::error_code& ec);
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/host_name.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_HOST_NAME_HPP
diff --git a/lib/asio/ip/icmp.hpp b/lib/asio/ip/icmp.hpp
new file mode 100644
index 0000000..92e1953
--- /dev/null
+++ b/lib/asio/ip/icmp.hpp
@@ -0,0 +1,115 @@
+//
+// ip/icmp.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_ICMP_HPP
+#define ASIO_IP_ICMP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/basic_raw_socket.hpp"
+#include "asio/ip/basic_endpoint.hpp"
+#include "asio/ip/basic_resolver.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Encapsulates the flags needed for ICMP.
+/**
+ * The asio::ip::icmp class contains flags necessary for ICMP sockets.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Safe.
+ *
+ * @par Concepts:
+ * Protocol, InternetProtocol.
+ */
+class icmp
+{
+public:
+ /// The type of a ICMP endpoint.
+ typedef basic_endpoint<icmp> endpoint;
+
+ /// Construct to represent the IPv4 ICMP protocol.
+ static icmp v4()
+ {
+ return icmp(ASIO_OS_DEF(IPPROTO_ICMP),
+ ASIO_OS_DEF(AF_INET));
+ }
+
+ /// Construct to represent the IPv6 ICMP protocol.
+ static icmp v6()
+ {
+ return icmp(ASIO_OS_DEF(IPPROTO_ICMPV6),
+ ASIO_OS_DEF(AF_INET6));
+ }
+
+ /// Obtain an identifier for the type of the protocol.
+ int type() const
+ {
+ return ASIO_OS_DEF(SOCK_RAW);
+ }
+
+ /// Obtain an identifier for the protocol.
+ int protocol() const
+ {
+ return protocol_;
+ }
+
+ /// Obtain an identifier for the protocol family.
+ int family() const
+ {
+ return family_;
+ }
+
+ /// The ICMP socket type.
+ typedef basic_raw_socket<icmp> socket;
+
+ /// The ICMP resolver type.
+ typedef basic_resolver<icmp> resolver;
+
+ /// Compare two protocols for equality.
+ friend bool operator==(const icmp& p1, const icmp& p2)
+ {
+ return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_;
+ }
+
+ /// Compare two protocols for inequality.
+ friend bool operator!=(const icmp& p1, const icmp& p2)
+ {
+ return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_;
+ }
+
+private:
+ // Construct with a specific family.
+ explicit icmp(int protocol_id, int protocol_family)
+ : protocol_(protocol_id),
+ family_(protocol_family)
+ {
+ }
+
+ int protocol_;
+ int family_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_ICMP_HPP
diff --git a/lib/asio/ip/impl/address.hpp b/lib/asio/ip/impl/address.hpp
new file mode 100644
index 0000000..085b93f
--- /dev/null
+++ b/lib/asio/ip/impl/address.hpp
@@ -0,0 +1,67 @@
+//
+// ip/impl/address.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_HPP
+#define ASIO_IP_IMPL_ADDRESS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+#if !defined(ASIO_NO_DEPRECATED)
+
+inline address address::from_string(const char* str)
+{
+ return asio::ip::make_address(str);
+}
+
+inline address address::from_string(
+ const char* str, asio::error_code& ec)
+{
+ return asio::ip::make_address(str, ec);
+}
+
+inline address address::from_string(const std::string& str)
+{
+ return asio::ip::make_address(str);
+}
+
+inline address address::from_string(
+ const std::string& str, asio::error_code& ec)
+{
+ return asio::ip::make_address(str, ec);
+}
+
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address& addr)
+{
+ return os << addr.to_string().c_str();
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_ADDRESS_HPP
diff --git a/lib/asio/ip/impl/address.ipp b/lib/asio/ip/impl/address.ipp
new file mode 100644
index 0000000..0523071
--- /dev/null
+++ b/lib/asio/ip/impl/address.ipp
@@ -0,0 +1,234 @@
+//
+// ip/impl/address.ipp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_IPP
+#define ASIO_IP_IMPL_ADDRESS_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <typeinfo>
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/error.hpp"
+#include "asio/ip/address.hpp"
+#include "asio/ip/bad_address_cast.hpp"
+#include "asio/system_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+address::address()
+ : type_(ipv4),
+ ipv4_address_(),
+ ipv6_address_()
+{
+}
+
+address::address(const asio::ip::address_v4& ipv4_address)
+ : type_(ipv4),
+ ipv4_address_(ipv4_address),
+ ipv6_address_()
+{
+}
+
+address::address(const asio::ip::address_v6& ipv6_address)
+ : type_(ipv6),
+ ipv4_address_(),
+ ipv6_address_(ipv6_address)
+{
+}
+
+address::address(const address& other)
+ : type_(other.type_),
+ ipv4_address_(other.ipv4_address_),
+ ipv6_address_(other.ipv6_address_)
+{
+}
+
+#if defined(ASIO_HAS_MOVE)
+address::address(address&& other)
+ : type_(other.type_),
+ ipv4_address_(other.ipv4_address_),
+ ipv6_address_(other.ipv6_address_)
+{
+}
+#endif // defined(ASIO_HAS_MOVE)
+
+address& address::operator=(const address& other)
+{
+ type_ = other.type_;
+ ipv4_address_ = other.ipv4_address_;
+ ipv6_address_ = other.ipv6_address_;
+ return *this;
+}
+
+#if defined(ASIO_HAS_MOVE)
+address& address::operator=(address&& other)
+{
+ type_ = other.type_;
+ ipv4_address_ = other.ipv4_address_;
+ ipv6_address_ = other.ipv6_address_;
+ return *this;
+}
+#endif // defined(ASIO_HAS_MOVE)
+
+address& address::operator=(const asio::ip::address_v4& ipv4_address)
+{
+ type_ = ipv4;
+ ipv4_address_ = ipv4_address;
+ ipv6_address_ = asio::ip::address_v6();
+ return *this;
+}
+
+address& address::operator=(const asio::ip::address_v6& ipv6_address)
+{
+ type_ = ipv6;
+ ipv4_address_ = asio::ip::address_v4();
+ ipv6_address_ = ipv6_address;
+ return *this;
+}
+
+address make_address(const char* str)
+{
+ asio::error_code ec;
+ address addr = make_address(str, ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+address make_address(const char* str, asio::error_code& ec)
+{
+ asio::ip::address_v6 ipv6_address =
+ asio::ip::make_address_v6(str, ec);
+ if (!ec)
+ return address(ipv6_address);
+
+ asio::ip::address_v4 ipv4_address =
+ asio::ip::make_address_v4(str, ec);
+ if (!ec)
+ return address(ipv4_address);
+
+ return address();
+}
+
+address make_address(const std::string& str)
+{
+ return make_address(str.c_str());
+}
+
+address make_address(const std::string& str,
+ asio::error_code& ec)
+{
+ return make_address(str.c_str(), ec);
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+address make_address(string_view str)
+{
+ return make_address(static_cast<std::string>(str));
+}
+
+address make_address(string_view str,
+ asio::error_code& ec)
+{
+ return make_address(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+asio::ip::address_v4 address::to_v4() const
+{
+ if (type_ != ipv4)
+ {
+ bad_address_cast ex;
+ asio::detail::throw_exception(ex);
+ }
+ return ipv4_address_;
+}
+
+asio::ip::address_v6 address::to_v6() const
+{
+ if (type_ != ipv6)
+ {
+ bad_address_cast ex;
+ asio::detail::throw_exception(ex);
+ }
+ return ipv6_address_;
+}
+
+std::string address::to_string() const
+{
+ if (type_ == ipv6)
+ return ipv6_address_.to_string();
+ return ipv4_address_.to_string();
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+std::string address::to_string(asio::error_code& ec) const
+{
+ if (type_ == ipv6)
+ return ipv6_address_.to_string(ec);
+ return ipv4_address_.to_string(ec);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address::is_loopback() const
+{
+ return (type_ == ipv4)
+ ? ipv4_address_.is_loopback()
+ : ipv6_address_.is_loopback();
+}
+
+bool address::is_unspecified() const
+{
+ return (type_ == ipv4)
+ ? ipv4_address_.is_unspecified()
+ : ipv6_address_.is_unspecified();
+}
+
+bool address::is_multicast() const
+{
+ return (type_ == ipv4)
+ ? ipv4_address_.is_multicast()
+ : ipv6_address_.is_multicast();
+}
+
+bool operator==(const address& a1, const address& a2)
+{
+ if (a1.type_ != a2.type_)
+ return false;
+ if (a1.type_ == address::ipv6)
+ return a1.ipv6_address_ == a2.ipv6_address_;
+ return a1.ipv4_address_ == a2.ipv4_address_;
+}
+
+bool operator<(const address& a1, const address& a2)
+{
+ if (a1.type_ < a2.type_)
+ return true;
+ if (a1.type_ > a2.type_)
+ return false;
+ if (a1.type_ == address::ipv6)
+ return a1.ipv6_address_ < a2.ipv6_address_;
+ return a1.ipv4_address_ < a2.ipv4_address_;
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_ADDRESS_IPP
diff --git a/lib/asio/ip/impl/address_v4.hpp b/lib/asio/ip/impl/address_v4.hpp
new file mode 100644
index 0000000..d1cf407
--- /dev/null
+++ b/lib/asio/ip/impl/address_v4.hpp
@@ -0,0 +1,67 @@
+//
+// ip/impl/address_v4.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_V4_HPP
+#define ASIO_IP_IMPL_ADDRESS_V4_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+#if !defined(ASIO_NO_DEPRECATED)
+
+inline address_v4 address_v4::from_string(const char* str)
+{
+ return asio::ip::make_address_v4(str);
+}
+
+inline address_v4 address_v4::from_string(
+ const char* str, asio::error_code& ec)
+{
+ return asio::ip::make_address_v4(str, ec);
+}
+
+inline address_v4 address_v4::from_string(const std::string& str)
+{
+ return asio::ip::make_address_v4(str);
+}
+
+inline address_v4 address_v4::from_string(
+ const std::string& str, asio::error_code& ec)
+{
+ return asio::ip::make_address_v4(str, ec);
+}
+
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address_v4& addr)
+{
+ return os << addr.to_string().c_str();
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_ADDRESS_V4_HPP
diff --git a/lib/asio/ip/impl/address_v4.ipp b/lib/asio/ip/impl/address_v4.ipp
new file mode 100644
index 0000000..9559add
--- /dev/null
+++ b/lib/asio/ip/impl/address_v4.ipp
@@ -0,0 +1,210 @@
+//
+// ip/impl/address_v4.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_V4_IPP
+#define ASIO_IP_IMPL_ADDRESS_V4_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <climits>
+#include <limits>
+#include <stdexcept>
+#include "asio/error.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/ip/address_v4.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+address_v4::address_v4(const address_v4::bytes_type& bytes)
+{
+#if UCHAR_MAX > 0xFF
+ if (bytes[0] > 0xFF || bytes[1] > 0xFF
+ || bytes[2] > 0xFF || bytes[3] > 0xFF)
+ {
+ std::out_of_range ex("address_v4 from bytes_type");
+ asio::detail::throw_exception(ex);
+ }
+#endif // UCHAR_MAX > 0xFF
+
+ using namespace std; // For memcpy.
+ memcpy(&addr_.s_addr, bytes.data(), 4);
+}
+
+address_v4::address_v4(address_v4::uint_type addr)
+{
+ if ((std::numeric_limits<uint_type>::max)() > 0xFFFFFFFF)
+ {
+ std::out_of_range ex("address_v4 from unsigned integer");
+ asio::detail::throw_exception(ex);
+ }
+
+ addr_.s_addr = asio::detail::socket_ops::host_to_network_long(
+ static_cast<asio::detail::u_long_type>(addr));
+}
+
+address_v4::bytes_type address_v4::to_bytes() const
+{
+ using namespace std; // For memcpy.
+ bytes_type bytes;
+#if defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.data(), &addr_.s_addr, 4);
+#else // defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.elems, &addr_.s_addr, 4);
+#endif // defined(ASIO_HAS_STD_ARRAY)
+ return bytes;
+}
+
+address_v4::uint_type address_v4::to_uint() const
+{
+ return asio::detail::socket_ops::network_to_host_long(addr_.s_addr);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+unsigned long address_v4::to_ulong() const
+{
+ return asio::detail::socket_ops::network_to_host_long(addr_.s_addr);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+std::string address_v4::to_string() const
+{
+ asio::error_code ec;
+ char addr_str[asio::detail::max_addr_v4_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET), &addr_, addr_str,
+ asio::detail::max_addr_v4_str_len, 0, ec);
+ if (addr == 0)
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+std::string address_v4::to_string(asio::error_code& ec) const
+{
+ char addr_str[asio::detail::max_addr_v4_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET), &addr_, addr_str,
+ asio::detail::max_addr_v4_str_len, 0, ec);
+ if (addr == 0)
+ return std::string();
+ return addr;
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v4::is_loopback() const
+{
+ return (to_uint() & 0xFF000000) == 0x7F000000;
+}
+
+bool address_v4::is_unspecified() const
+{
+ return to_uint() == 0;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+bool address_v4::is_class_a() const
+{
+ return (to_uint() & 0x80000000) == 0;
+}
+
+bool address_v4::is_class_b() const
+{
+ return (to_uint() & 0xC0000000) == 0x80000000;
+}
+
+bool address_v4::is_class_c() const
+{
+ return (to_uint() & 0xE0000000) == 0xC0000000;
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v4::is_multicast() const
+{
+ return (to_uint() & 0xF0000000) == 0xE0000000;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+address_v4 address_v4::broadcast(const address_v4& addr, const address_v4& mask)
+{
+ return address_v4(addr.to_uint() | (mask.to_uint() ^ 0xFFFFFFFF));
+}
+
+address_v4 address_v4::netmask(const address_v4& addr)
+{
+ if (addr.is_class_a())
+ return address_v4(0xFF000000);
+ if (addr.is_class_b())
+ return address_v4(0xFFFF0000);
+ if (addr.is_class_c())
+ return address_v4(0xFFFFFF00);
+ return address_v4(0xFFFFFFFF);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+address_v4 make_address_v4(const char* str)
+{
+ asio::error_code ec;
+ address_v4 addr = make_address_v4(str, ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+address_v4 make_address_v4(
+ const char* str, asio::error_code& ec)
+{
+ address_v4::bytes_type bytes;
+ if (asio::detail::socket_ops::inet_pton(
+ ASIO_OS_DEF(AF_INET), str, &bytes, 0, ec) <= 0)
+ return address_v4();
+ return address_v4(bytes);
+}
+
+address_v4 make_address_v4(const std::string& str)
+{
+ return make_address_v4(str.c_str());
+}
+
+address_v4 make_address_v4(
+ const std::string& str, asio::error_code& ec)
+{
+ return make_address_v4(str.c_str(), ec);
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+address_v4 make_address_v4(string_view str)
+{
+ return make_address_v4(static_cast<std::string>(str));
+}
+
+address_v4 make_address_v4(string_view str,
+ asio::error_code& ec)
+{
+ return make_address_v4(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_ADDRESS_V4_IPP
diff --git a/lib/asio/ip/impl/address_v6.hpp b/lib/asio/ip/impl/address_v6.hpp
new file mode 100644
index 0000000..330eafd
--- /dev/null
+++ b/lib/asio/ip/impl/address_v6.hpp
@@ -0,0 +1,67 @@
+//
+// ip/impl/address_v6.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_V6_HPP
+#define ASIO_IP_IMPL_ADDRESS_V6_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+#if !defined(ASIO_NO_DEPRECATED)
+
+inline address_v6 address_v6::from_string(const char* str)
+{
+ return asio::ip::make_address_v6(str);
+}
+
+inline address_v6 address_v6::from_string(
+ const char* str, asio::error_code& ec)
+{
+ return asio::ip::make_address_v6(str, ec);
+}
+
+inline address_v6 address_v6::from_string(const std::string& str)
+{
+ return asio::ip::make_address_v6(str);
+}
+
+inline address_v6 address_v6::from_string(
+ const std::string& str, asio::error_code& ec)
+{
+ return asio::ip::make_address_v6(str, ec);
+}
+
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address_v6& addr)
+{
+ return os << addr.to_string().c_str();
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_ADDRESS_V6_HPP
diff --git a/lib/asio/ip/impl/address_v6.ipp b/lib/asio/ip/impl/address_v6.ipp
new file mode 100644
index 0000000..36bd68c
--- /dev/null
+++ b/lib/asio/ip/impl/address_v6.ipp
@@ -0,0 +1,350 @@
+//
+// ip/impl/address_v6.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_V6_IPP
+#define ASIO_IP_IMPL_ADDRESS_V6_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstring>
+#include <stdexcept>
+#include <typeinfo>
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/error.hpp"
+#include "asio/ip/address_v6.hpp"
+#include "asio/ip/bad_address_cast.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+address_v6::address_v6()
+ : addr_(),
+ scope_id_(0)
+{
+}
+
+address_v6::address_v6(const address_v6::bytes_type& bytes,
+ unsigned long scope)
+ : scope_id_(scope)
+{
+#if UCHAR_MAX > 0xFF
+ for (std::size_t i = 0; i < bytes.size(); ++i)
+ {
+ if (bytes[i] > 0xFF)
+ {
+ std::out_of_range ex("address_v6 from bytes_type");
+ asio::detail::throw_exception(ex);
+ }
+ }
+#endif // UCHAR_MAX > 0xFF
+
+ using namespace std; // For memcpy.
+ memcpy(addr_.s6_addr, bytes.data(), 16);
+}
+
+address_v6::address_v6(const address_v6& other)
+ : addr_(other.addr_),
+ scope_id_(other.scope_id_)
+{
+}
+
+#if defined(ASIO_HAS_MOVE)
+address_v6::address_v6(address_v6&& other)
+ : addr_(other.addr_),
+ scope_id_(other.scope_id_)
+{
+}
+#endif // defined(ASIO_HAS_MOVE)
+
+address_v6& address_v6::operator=(const address_v6& other)
+{
+ addr_ = other.addr_;
+ scope_id_ = other.scope_id_;
+ return *this;
+}
+
+#if defined(ASIO_HAS_MOVE)
+address_v6& address_v6::operator=(address_v6&& other)
+{
+ addr_ = other.addr_;
+ scope_id_ = other.scope_id_;
+ return *this;
+}
+#endif // defined(ASIO_HAS_MOVE)
+
+address_v6::bytes_type address_v6::to_bytes() const
+{
+ using namespace std; // For memcpy.
+ bytes_type bytes;
+#if defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.data(), addr_.s6_addr, 16);
+#else // defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.elems, addr_.s6_addr, 16);
+#endif // defined(ASIO_HAS_STD_ARRAY)
+ return bytes;
+}
+
+std::string address_v6::to_string() const
+{
+ asio::error_code ec;
+ char addr_str[asio::detail::max_addr_v6_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
+ asio::detail::max_addr_v6_str_len, scope_id_, ec);
+ if (addr == 0)
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+std::string address_v6::to_string(asio::error_code& ec) const
+{
+ char addr_str[asio::detail::max_addr_v6_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
+ asio::detail::max_addr_v6_str_len, scope_id_, ec);
+ if (addr == 0)
+ return std::string();
+ return addr;
+}
+
+address_v4 address_v6::to_v4() const
+{
+ if (!is_v4_mapped() && !is_v4_compatible())
+ {
+ bad_address_cast ex;
+ asio::detail::throw_exception(ex);
+ }
+
+ address_v4::bytes_type v4_bytes = { { addr_.s6_addr[12],
+ addr_.s6_addr[13], addr_.s6_addr[14], addr_.s6_addr[15] } };
+ return address_v4(v4_bytes);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v6::is_loopback() const
+{
+ return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
+ && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
+ && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
+ && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
+ && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
+ && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
+ && (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
+ && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 1));
+}
+
+bool address_v6::is_unspecified() const
+{
+ return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
+ && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
+ && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
+ && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
+ && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
+ && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
+ && (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
+ && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 0));
+}
+
+bool address_v6::is_link_local() const
+{
+ return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0x80));
+}
+
+bool address_v6::is_site_local() const
+{
+ return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0xc0));
+}
+
+bool address_v6::is_v4_mapped() const
+{
+ return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
+ && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
+ && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
+ && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
+ && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
+ && (addr_.s6_addr[10] == 0xff) && (addr_.s6_addr[11] == 0xff));
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+bool address_v6::is_v4_compatible() const
+{
+ return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
+ && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
+ && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
+ && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
+ && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
+ && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
+ && !((addr_.s6_addr[12] == 0)
+ && (addr_.s6_addr[13] == 0)
+ && (addr_.s6_addr[14] == 0)
+ && ((addr_.s6_addr[15] == 0) || (addr_.s6_addr[15] == 1))));
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v6::is_multicast() const
+{
+ return (addr_.s6_addr[0] == 0xff);
+}
+
+bool address_v6::is_multicast_global() const
+{
+ return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x0e));
+}
+
+bool address_v6::is_multicast_link_local() const
+{
+ return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x02));
+}
+
+bool address_v6::is_multicast_node_local() const
+{
+ return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x01));
+}
+
+bool address_v6::is_multicast_org_local() const
+{
+ return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x08));
+}
+
+bool address_v6::is_multicast_site_local() const
+{
+ return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x05));
+}
+
+bool operator==(const address_v6& a1, const address_v6& a2)
+{
+ using namespace std; // For memcmp.
+ return memcmp(&a1.addr_, &a2.addr_,
+ sizeof(asio::detail::in6_addr_type)) == 0
+ && a1.scope_id_ == a2.scope_id_;
+}
+
+bool operator<(const address_v6& a1, const address_v6& a2)
+{
+ using namespace std; // For memcmp.
+ int memcmp_result = memcmp(&a1.addr_, &a2.addr_,
+ sizeof(asio::detail::in6_addr_type));
+ if (memcmp_result < 0)
+ return true;
+ if (memcmp_result > 0)
+ return false;
+ return a1.scope_id_ < a2.scope_id_;
+}
+
+address_v6 address_v6::loopback()
+{
+ address_v6 tmp;
+ tmp.addr_.s6_addr[15] = 1;
+ return tmp;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+address_v6 address_v6::v4_mapped(const address_v4& addr)
+{
+ address_v4::bytes_type v4_bytes = addr.to_bytes();
+ bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF,
+ v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
+ return address_v6(v6_bytes);
+}
+
+address_v6 address_v6::v4_compatible(const address_v4& addr)
+{
+ address_v4::bytes_type v4_bytes = addr.to_bytes();
+ bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
+ return address_v6(v6_bytes);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+address_v6 make_address_v6(const char* str)
+{
+ asio::error_code ec;
+ address_v6 addr = make_address_v6(str, ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+address_v6 make_address_v6(
+ const char* str, asio::error_code& ec)
+{
+ address_v6::bytes_type bytes;
+ unsigned long scope_id = 0;
+ if (asio::detail::socket_ops::inet_pton(
+ ASIO_OS_DEF(AF_INET6), str, &bytes[0], &scope_id, ec) <= 0)
+ return address_v6();
+ return address_v6(bytes, scope_id);
+}
+
+address_v6 make_address_v6(const std::string& str)
+{
+ return make_address_v6(str.c_str());
+}
+
+address_v6 make_address_v6(
+ const std::string& str, asio::error_code& ec)
+{
+ return make_address_v6(str.c_str(), ec);
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+address_v6 make_address_v6(string_view str)
+{
+ return make_address_v6(static_cast<std::string>(str));
+}
+
+address_v6 make_address_v6(string_view str,
+ asio::error_code& ec)
+{
+ return make_address_v6(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+address_v4 make_address_v4(
+ v4_mapped_t, const address_v6& v6_addr)
+{
+ if (!v6_addr.is_v4_mapped())
+ {
+ bad_address_cast ex;
+ asio::detail::throw_exception(ex);
+ }
+
+ address_v6::bytes_type v6_bytes = v6_addr.to_bytes();
+ address_v4::bytes_type v4_bytes = { { v6_bytes[12],
+ v6_bytes[13], v6_bytes[14], v6_bytes[15] } };
+ return address_v4(v4_bytes);
+}
+
+address_v6 make_address_v6(
+ v4_mapped_t, const address_v4& v4_addr)
+{
+ address_v4::bytes_type v4_bytes = v4_addr.to_bytes();
+ address_v6::bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0xFF, 0xFF, v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
+ return address_v6(v6_bytes);
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_ADDRESS_V6_IPP
diff --git a/lib/asio/ip/impl/basic_endpoint.hpp b/lib/asio/ip/impl/basic_endpoint.hpp
new file mode 100644
index 0000000..5680a43
--- /dev/null
+++ b/lib/asio/ip/impl/basic_endpoint.hpp
@@ -0,0 +1,43 @@
+//
+// ip/impl/basic_endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_BASIC_ENDPOINT_HPP
+#define ASIO_IP_IMPL_BASIC_ENDPOINT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename Elem, typename Traits, typename InternetProtocol>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os,
+ const basic_endpoint<InternetProtocol>& endpoint)
+{
+ asio::ip::detail::endpoint tmp_ep(endpoint.address(), endpoint.port());
+ return os << tmp_ep.to_string().c_str();
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_BASIC_ENDPOINT_HPP
diff --git a/lib/asio/ip/impl/host_name.ipp b/lib/asio/ip/impl/host_name.ipp
new file mode 100644
index 0000000..932ab1c
--- /dev/null
+++ b/lib/asio/ip/impl/host_name.ipp
@@ -0,0 +1,54 @@
+//
+// ip/impl/host_name.ipp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_HOST_NAME_IPP
+#define ASIO_IP_IMPL_HOST_NAME_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/winsock_init.hpp"
+#include "asio/ip/host_name.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+std::string host_name()
+{
+ char name[1024];
+ asio::error_code ec;
+ if (asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
+ {
+ asio::detail::throw_error(ec);
+ return std::string();
+ }
+ return std::string(name);
+}
+
+std::string host_name(asio::error_code& ec)
+{
+ char name[1024];
+ if (asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
+ return std::string();
+ return std::string(name);
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_HOST_NAME_IPP
diff --git a/lib/asio/ip/impl/network_v4.hpp b/lib/asio/ip/impl/network_v4.hpp
new file mode 100644
index 0000000..911a45c
--- /dev/null
+++ b/lib/asio/ip/impl/network_v4.hpp
@@ -0,0 +1,54 @@
+//
+// ip/impl/network_v4.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_NETWORK_V4_HPP
+#define ASIO_IP_IMPL_NETWORK_V4_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const network_v4& addr)
+{
+ asio::error_code ec;
+ std::string s = addr.to_string(ec);
+ if (ec)
+ {
+ if (os.exceptions() & std::basic_ostream<Elem, Traits>::failbit)
+ asio::detail::throw_error(ec);
+ else
+ os.setstate(std::basic_ostream<Elem, Traits>::failbit);
+ }
+ else
+ for (std::string::iterator i = s.begin(); i != s.end(); ++i)
+ os << os.widen(*i);
+ return os;
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_NETWORK_V4_HPP
diff --git a/lib/asio/ip/impl/network_v4.ipp b/lib/asio/ip/impl/network_v4.ipp
new file mode 100644
index 0000000..4b27887
--- /dev/null
+++ b/lib/asio/ip/impl/network_v4.ipp
@@ -0,0 +1,216 @@
+//
+// ip/impl/network_v4.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_NETWORK_V4_IPP
+#define ASIO_IP_IMPL_NETWORK_V4_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
+#include <stdexcept>
+#include "asio/error.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/ip/network_v4.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+network_v4::network_v4(const address_v4& addr, unsigned short prefix_len)
+ : address_(addr),
+ prefix_length_(prefix_len)
+{
+ if (prefix_len > 32)
+ {
+ std::out_of_range ex("prefix length too large");
+ asio::detail::throw_exception(ex);
+ }
+}
+
+network_v4::network_v4(const address_v4& addr, const address_v4& mask)
+ : address_(addr),
+ prefix_length_(0)
+{
+ address_v4::bytes_type mask_bytes = mask.to_bytes();
+ bool finished = false;
+ for (std::size_t i = 0; i < mask_bytes.size(); ++i)
+ {
+ if (finished)
+ {
+ if (mask_bytes[i])
+ {
+ std::invalid_argument ex("non-contiguous netmask");
+ asio::detail::throw_exception(ex);
+ }
+ continue;
+ }
+ else
+ {
+ switch (mask_bytes[i])
+ {
+ case 255:
+ prefix_length_ += 8;
+ break;
+ case 254: // prefix_length_ += 7
+ prefix_length_ += 1;
+ case 252: // prefix_length_ += 6
+ prefix_length_ += 1;
+ case 248: // prefix_length_ += 5
+ prefix_length_ += 1;
+ case 240: // prefix_length_ += 4
+ prefix_length_ += 1;
+ case 224: // prefix_length_ += 3
+ prefix_length_ += 1;
+ case 192: // prefix_length_ += 2
+ prefix_length_ += 1;
+ case 128: // prefix_length_ += 1
+ prefix_length_ += 1;
+ case 0: // nbits += 0
+ finished = true;
+ break;
+ default:
+ std::out_of_range ex("non-contiguous netmask");
+ asio::detail::throw_exception(ex);
+ }
+ }
+ }
+}
+
+address_v4 network_v4::netmask() const ASIO_NOEXCEPT
+{
+ uint32_t nmbits = 0xffffffff;
+ if (prefix_length_ == 0)
+ nmbits = 0;
+ else
+ nmbits = nmbits << (32 - prefix_length_);
+ return address_v4(nmbits);
+}
+
+address_v4_range network_v4::hosts() const ASIO_NOEXCEPT
+{
+ return is_host()
+ ? address_v4_range(address_, address_v4(address_.to_uint() + 1))
+ : address_v4_range(address_v4(network().to_uint() + 1), broadcast());
+}
+
+bool network_v4::is_subnet_of(const network_v4& other) const
+{
+ if (other.prefix_length_ >= prefix_length_)
+ return false; // Only real subsets are allowed.
+ const network_v4 me(address_, other.prefix_length_);
+ return other.canonical() == me.canonical();
+}
+
+std::string network_v4::to_string() const
+{
+ asio::error_code ec;
+ std::string addr = to_string(ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+std::string network_v4::to_string(asio::error_code& ec) const
+{
+ using namespace std; // For sprintf.
+ ec = asio::error_code();
+ char prefix_len[16];
+#if defined(ASIO_HAS_SECURE_RTL)
+ sprintf_s(prefix_len, sizeof(prefix_len), "/%u", prefix_length_);
+#else // defined(ASIO_HAS_SECURE_RTL)
+ sprintf(prefix_len, "/%u", prefix_length_);
+#endif // defined(ASIO_HAS_SECURE_RTL)
+ return address_.to_string() + prefix_len;
+}
+
+network_v4 make_network_v4(const char* str)
+{
+ return make_network_v4(std::string(str));
+}
+
+network_v4 make_network_v4(const char* str, asio::error_code& ec)
+{
+ return make_network_v4(std::string(str), ec);
+}
+
+network_v4 make_network_v4(const std::string& str)
+{
+ asio::error_code ec;
+ network_v4 net = make_network_v4(str, ec);
+ asio::detail::throw_error(ec);
+ return net;
+}
+
+network_v4 make_network_v4(const std::string& str,
+ asio::error_code& ec)
+{
+ std::string::size_type pos = str.find_first_of("/");
+
+ if (pos == std::string::npos)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v4();
+ }
+
+ if (pos == str.size() - 1)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v4();
+ }
+
+ std::string::size_type end = str.find_first_not_of("0123456789", pos + 1);
+ if (end != std::string::npos)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v4();
+ }
+
+ const address_v4 addr = make_address_v4(str.substr(0, pos), ec);
+ if (ec)
+ return network_v4();
+
+ const int prefix_len = std::atoi(str.substr(pos + 1).c_str());
+ if (prefix_len < 0 || prefix_len > 32)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v4();
+ }
+
+ return network_v4(addr, static_cast<unsigned short>(prefix_len));
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+network_v4 make_network_v4(string_view str)
+{
+ return make_network_v4(static_cast<std::string>(str));
+}
+
+network_v4 make_network_v4(string_view str,
+ asio::error_code& ec)
+{
+ return make_network_v4(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_NETWORK_V4_IPP
diff --git a/lib/asio/ip/impl/network_v6.hpp b/lib/asio/ip/impl/network_v6.hpp
new file mode 100644
index 0000000..b0eedad
--- /dev/null
+++ b/lib/asio/ip/impl/network_v6.hpp
@@ -0,0 +1,53 @@
+//
+// ip/impl/network_v6.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_NETWORK_V6_HPP
+#define ASIO_IP_IMPL_NETWORK_V6_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const network_v6& addr)
+{
+ asio::error_code ec;
+ std::string s = addr.to_string(ec);
+ if (ec)
+ {
+ if (os.exceptions() & std::basic_ostream<Elem, Traits>::failbit)
+ asio::detail::throw_error(ec);
+ else
+ os.setstate(std::basic_ostream<Elem, Traits>::failbit);
+ }
+ else
+ for (std::string::iterator i = s.begin(); i != s.end(); ++i)
+ os << os.widen(*i);
+ return os;
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_NETWORK_V6_HPP
diff --git a/lib/asio/ip/impl/network_v6.ipp b/lib/asio/ip/impl/network_v6.ipp
new file mode 100644
index 0000000..2e37a99
--- /dev/null
+++ b/lib/asio/ip/impl/network_v6.ipp
@@ -0,0 +1,185 @@
+//
+// ip/impl/network_v6.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_NETWORK_V6_IPP
+#define ASIO_IP_IMPL_NETWORK_V6_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
+#include <stdexcept>
+#include "asio/error.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/ip/network_v6.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+network_v6::network_v6(const address_v6& addr, unsigned short prefix_len)
+ : address_(addr),
+ prefix_length_(prefix_len)
+{
+ if (prefix_len > 128)
+ {
+ std::out_of_range ex("prefix length too large");
+ asio::detail::throw_exception(ex);
+ }
+}
+
+ASIO_DECL address_v6 network_v6::network() const ASIO_NOEXCEPT
+{
+ address_v6::bytes_type bytes(address_.to_bytes());
+ for (std::size_t i = 0; i < 16; ++i)
+ {
+ if (prefix_length_ <= i * 8)
+ bytes[i] = 0;
+ else if (prefix_length_ < (i + 1) * 8)
+ bytes[i] &= 0xFF00 >> (prefix_length_ % 8);
+ }
+ return address_v6(bytes, address_.scope_id());
+}
+
+address_v6_range network_v6::hosts() const ASIO_NOEXCEPT
+{
+ address_v6::bytes_type begin_bytes(address_.to_bytes());
+ address_v6::bytes_type end_bytes(address_.to_bytes());
+ for (std::size_t i = 0; i < 16; ++i)
+ {
+ if (prefix_length_ <= i * 8)
+ {
+ begin_bytes[i] = 0;
+ end_bytes[i] = 0xFF;
+ }
+ else if (prefix_length_ < (i + 1) * 8)
+ {
+ begin_bytes[i] &= 0xFF00 >> (prefix_length_ % 8);
+ end_bytes[i] |= 0xFF >> (prefix_length_ % 8);
+ }
+ }
+ return address_v6_range(
+ address_v6_iterator(address_v6(begin_bytes, address_.scope_id())),
+ ++address_v6_iterator(address_v6(end_bytes, address_.scope_id())));
+}
+
+bool network_v6::is_subnet_of(const network_v6& other) const
+{
+ if (other.prefix_length_ >= prefix_length_)
+ return false; // Only real subsets are allowed.
+ const network_v6 me(address_, other.prefix_length_);
+ return other.canonical() == me.canonical();
+}
+
+std::string network_v6::to_string() const
+{
+ asio::error_code ec;
+ std::string addr = to_string(ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+std::string network_v6::to_string(asio::error_code& ec) const
+{
+ using namespace std; // For sprintf.
+ ec = asio::error_code();
+ char prefix_len[16];
+#if defined(ASIO_HAS_SECURE_RTL)
+ sprintf_s(prefix_len, sizeof(prefix_len), "/%u", prefix_length_);
+#else // defined(ASIO_HAS_SECURE_RTL)
+ sprintf(prefix_len, "/%u", prefix_length_);
+#endif // defined(ASIO_HAS_SECURE_RTL)
+ return address_.to_string() + prefix_len;
+}
+
+network_v6 make_network_v6(const char* str)
+{
+ return make_network_v6(std::string(str));
+}
+
+network_v6 make_network_v6(const char* str, asio::error_code& ec)
+{
+ return make_network_v6(std::string(str), ec);
+}
+
+network_v6 make_network_v6(const std::string& str)
+{
+ asio::error_code ec;
+ network_v6 net = make_network_v6(str, ec);
+ asio::detail::throw_error(ec);
+ return net;
+}
+
+network_v6 make_network_v6(const std::string& str,
+ asio::error_code& ec)
+{
+ std::string::size_type pos = str.find_first_of("/");
+
+ if (pos == std::string::npos)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v6();
+ }
+
+ if (pos == str.size() - 1)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v6();
+ }
+
+ std::string::size_type end = str.find_first_not_of("0123456789", pos + 1);
+ if (end != std::string::npos)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v6();
+ }
+
+ const address_v6 addr = make_address_v6(str.substr(0, pos), ec);
+ if (ec)
+ return network_v6();
+
+ const int prefix_len = std::atoi(str.substr(pos + 1).c_str());
+ if (prefix_len < 0 || prefix_len > 128)
+ {
+ ec = asio::error::invalid_argument;
+ return network_v6();
+ }
+
+ return network_v6(addr, static_cast<unsigned short>(prefix_len));
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+network_v6 make_network_v6(string_view str)
+{
+ return make_network_v6(static_cast<std::string>(str));
+}
+
+network_v6 make_network_v6(string_view str,
+ asio::error_code& ec)
+{
+ return make_network_v6(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_NETWORK_V6_IPP
diff --git a/lib/asio/ip/multicast.hpp b/lib/asio/ip/multicast.hpp
new file mode 100644
index 0000000..ea624e1
--- /dev/null
+++ b/lib/asio/ip/multicast.hpp
@@ -0,0 +1,191 @@
+//
+// ip/multicast.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_MULTICAST_HPP
+#define ASIO_IP_MULTICAST_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstddef>
+#include "asio/ip/detail/socket_option.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+namespace multicast {
+
+/// Socket option to join a multicast group on a specified interface.
+/**
+ * Implements the IPPROTO_IP/IP_ADD_MEMBERSHIP socket option.
+ *
+ * @par Examples
+ * Setting the option to join a multicast group:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::address multicast_address =
+ * asio::ip::address::from_string("225.0.0.1");
+ * asio::ip::multicast::join_group option(multicast_address);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par Concepts:
+ * SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined join_group;
+#else
+typedef asio::ip::detail::socket_option::multicast_request<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_ADD_MEMBERSHIP),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_JOIN_GROUP)> join_group;
+#endif
+
+/// Socket option to leave a multicast group on a specified interface.
+/**
+ * Implements the IPPROTO_IP/IP_DROP_MEMBERSHIP socket option.
+ *
+ * @par Examples
+ * Setting the option to leave a multicast group:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::address multicast_address =
+ * asio::ip::address::from_string("225.0.0.1");
+ * asio::ip::multicast::leave_group option(multicast_address);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par Concepts:
+ * SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined leave_group;
+#else
+typedef asio::ip::detail::socket_option::multicast_request<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_DROP_MEMBERSHIP),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_LEAVE_GROUP)> leave_group;
+#endif
+
+/// Socket option for local interface to use for outgoing multicast packets.
+/**
+ * Implements the IPPROTO_IP/IP_MULTICAST_IF socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::address_v4 local_interface =
+ * asio::ip::address_v4::from_string("1.2.3.4");
+ * asio::ip::multicast::outbound_interface option(local_interface);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par Concepts:
+ * SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined outbound_interface;
+#else
+typedef asio::ip::detail::socket_option::network_interface<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_MULTICAST_IF),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_MULTICAST_IF)> outbound_interface;
+#endif
+
+/// Socket option for time-to-live associated with outgoing multicast packets.
+/**
+ * Implements the IPPROTO_IP/IP_MULTICAST_TTL socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::multicast::hops option(4);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par
+ * Getting the current option value:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::multicast::hops option;
+ * socket.get_option(option);
+ * int ttl = option.value();
+ * @endcode
+ *
+ * @par Concepts:
+ * GettableSocketOption, SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined hops;
+#else
+typedef asio::ip::detail::socket_option::multicast_hops<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_MULTICAST_TTL),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_MULTICAST_HOPS)> hops;
+#endif
+
+/// Socket option determining whether outgoing multicast packets will be
+/// received on the same socket if it is a member of the multicast group.
+/**
+ * Implements the IPPROTO_IP/IP_MULTICAST_LOOP socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::multicast::enable_loopback option(true);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par
+ * Getting the current option value:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::multicast::enable_loopback option;
+ * socket.get_option(option);
+ * bool is_set = option.value();
+ * @endcode
+ *
+ * @par Concepts:
+ * GettableSocketOption, SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined enable_loopback;
+#else
+typedef asio::ip::detail::socket_option::multicast_enable_loopback<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_MULTICAST_LOOP),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_MULTICAST_LOOP)> enable_loopback;
+#endif
+
+} // namespace multicast
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_MULTICAST_HPP
diff --git a/lib/asio/ip/network_v4.hpp b/lib/asio/ip/network_v4.hpp
new file mode 100644
index 0000000..e38f60f
--- /dev/null
+++ b/lib/asio/ip/network_v4.hpp
@@ -0,0 +1,261 @@
+//
+// ip/network_v4.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_NETWORK_V4_HPP
+#define ASIO_IP_NETWORK_V4_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/string_view.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ip/address_v4_range.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Represents an IPv4 network.
+/**
+ * The asio::ip::network_v4 class provides the ability to use and
+ * manipulate IP version 4 networks.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class network_v4
+{
+public:
+ /// Default constructor.
+ network_v4() ASIO_NOEXCEPT
+ : address_(),
+ prefix_length_(0)
+ {
+ }
+
+ /// Construct a network based on the specified address and prefix length.
+ ASIO_DECL network_v4(const address_v4& addr,
+ unsigned short prefix_len);
+
+ /// Construct network based on the specified address and netmask.
+ ASIO_DECL network_v4(const address_v4& addr,
+ const address_v4& mask);
+
+ /// Copy constructor.
+ network_v4(const network_v4& other) ASIO_NOEXCEPT
+ : address_(other.address_),
+ prefix_length_(other.prefix_length_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ network_v4(network_v4&& other) ASIO_NOEXCEPT
+ : address_(ASIO_MOVE_CAST(address_v4)(other.address_)),
+ prefix_length_(other.prefix_length_)
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from another network.
+ network_v4& operator=(const network_v4& other) ASIO_NOEXCEPT
+ {
+ address_ = other.address_;
+ prefix_length_ = other.prefix_length_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move-assign from another network.
+ network_v4& operator=(network_v4&& other) ASIO_NOEXCEPT
+ {
+ address_ = ASIO_MOVE_CAST(address_v4)(other.address_);
+ prefix_length_ = other.prefix_length_;
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Obtain the address object specified when the network object was created.
+ address_v4 address() const ASIO_NOEXCEPT
+ {
+ return address_;
+ }
+
+ /// Obtain the prefix length that was specified when the network object was
+ /// created.
+ unsigned short prefix_length() const ASIO_NOEXCEPT
+ {
+ return prefix_length_;
+ }
+
+ /// Obtain the netmask that was specified when the network object was created.
+ ASIO_DECL address_v4 netmask() const ASIO_NOEXCEPT;
+
+ /// Obtain an address object that represents the network address.
+ address_v4 network() const ASIO_NOEXCEPT
+ {
+ return address_v4(address_.to_uint() & netmask().to_uint());
+ }
+
+ /// Obtain an address object that represents the network's broadcast address.
+ address_v4 broadcast() const ASIO_NOEXCEPT
+ {
+ return address_v4(network().to_uint() | (netmask().to_uint() ^ 0xFFFFFFFF));
+ }
+
+ /// Obtain an address range corresponding to the hosts in the network.
+ ASIO_DECL address_v4_range hosts() const ASIO_NOEXCEPT;
+
+ /// Obtain the true network address, omitting any host bits.
+ network_v4 canonical() const ASIO_NOEXCEPT
+ {
+ return network_v4(network(), netmask());
+ }
+
+ /// Test if network is a valid host address.
+ bool is_host() const ASIO_NOEXCEPT
+ {
+ return prefix_length_ == 32;
+ }
+
+ /// Test if a network is a real subnet of another network.
+ ASIO_DECL bool is_subnet_of(const network_v4& other) const;
+
+ /// Get the network as an address in dotted decimal format.
+ ASIO_DECL std::string to_string() const;
+
+ /// Get the network as an address in dotted decimal format.
+ ASIO_DECL std::string to_string(asio::error_code& ec) const;
+
+ /// Compare two networks for equality.
+ friend bool operator==(const network_v4& a, const network_v4& b)
+ {
+ return a.address_ == b.address_ && a.prefix_length_ == b.prefix_length_;
+ }
+
+ /// Compare two networks for inequality.
+ friend bool operator!=(const network_v4& a, const network_v4& b)
+ {
+ return !(a == b);
+ }
+
+private:
+ address_v4 address_;
+ unsigned short prefix_length_;
+};
+
+/// Create an IPv4 network from an address and prefix length.
+/**
+ * @relates address_v4
+ */
+inline network_v4 make_network_v4(
+ const address_v4& addr, unsigned short prefix_len)
+{
+ return network_v4(addr, prefix_len);
+}
+
+/// Create an IPv4 network from an address and netmask.
+/**
+ * @relates address_v4
+ */
+inline network_v4 make_network_v4(
+ const address_v4& addr, const address_v4& mask)
+{
+ return network_v4(addr, mask);
+}
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(const char* str);
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(
+ const char* str, asio::error_code& ec);
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(const std::string& str);
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(
+ const std::string& str, asio::error_code& ec);
+
+#if defined(ASIO_HAS_STRING_VIEW) \
+ || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(string_view str);
+
+/// Create an IPv4 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v4
+ */
+ASIO_DECL network_v4 make_network_v4(
+ string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output a network as a string.
+/**
+ * Used to output a human-readable string for a specified network.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param net The network to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::address_v4
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const network_v4& net);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/network_v4.hpp"
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/network_v4.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_NETWORK_V4_HPP
diff --git a/lib/asio/ip/network_v6.hpp b/lib/asio/ip/network_v6.hpp
new file mode 100644
index 0000000..7b6b7e6
--- /dev/null
+++ b/lib/asio/ip/network_v6.hpp
@@ -0,0 +1,235 @@
+//
+// ip/network_v6.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_NETWORK_V6_HPP
+#define ASIO_IP_NETWORK_V6_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/detail/string_view.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ip/address_v6_range.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Represents an IPv6 network.
+/**
+ * The asio::ip::network_v6 class provides the ability to use and
+ * manipulate IP version 6 networks.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class network_v6
+{
+public:
+ /// Default constructor.
+ network_v6() ASIO_NOEXCEPT
+ : address_(),
+ prefix_length_(0)
+ {
+ }
+
+ /// Construct a network based on the specified address and prefix length.
+ ASIO_DECL network_v6(const address_v6& addr,
+ unsigned short prefix_len);
+
+ /// Copy constructor.
+ network_v6(const network_v6& other) ASIO_NOEXCEPT
+ : address_(other.address_),
+ prefix_length_(other.prefix_length_)
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move constructor.
+ network_v6(network_v6&& other) ASIO_NOEXCEPT
+ : address_(ASIO_MOVE_CAST(address_v6)(other.address_)),
+ prefix_length_(other.prefix_length_)
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Assign from another network.
+ network_v6& operator=(const network_v6& other) ASIO_NOEXCEPT
+ {
+ address_ = other.address_;
+ prefix_length_ = other.prefix_length_;
+ return *this;
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ /// Move-assign from another network.
+ network_v6& operator=(network_v6&& other) ASIO_NOEXCEPT
+ {
+ address_ = ASIO_MOVE_CAST(address_v6)(other.address_);
+ prefix_length_ = other.prefix_length_;
+ return *this;
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ /// Obtain the address object specified when the network object was created.
+ address_v6 address() const ASIO_NOEXCEPT
+ {
+ return address_;
+ }
+
+ /// Obtain the prefix length that was specified when the network object was
+ /// created.
+ unsigned short prefix_length() const ASIO_NOEXCEPT
+ {
+ return prefix_length_;
+ }
+
+ /// Obtain an address object that represents the network address.
+ ASIO_DECL address_v6 network() const ASIO_NOEXCEPT;
+
+ /// Obtain an address range corresponding to the hosts in the network.
+ ASIO_DECL address_v6_range hosts() const ASIO_NOEXCEPT;
+
+ /// Obtain the true network address, omitting any host bits.
+ network_v6 canonical() const ASIO_NOEXCEPT
+ {
+ return network_v6(network(), prefix_length());
+ }
+
+ /// Test if network is a valid host address.
+ bool is_host() const ASIO_NOEXCEPT
+ {
+ return prefix_length_ == 128;
+ }
+
+ /// Test if a network is a real subnet of another network.
+ ASIO_DECL bool is_subnet_of(const network_v6& other) const;
+
+ /// Get the network as an address in dotted decimal format.
+ ASIO_DECL std::string to_string() const;
+
+ /// Get the network as an address in dotted decimal format.
+ ASIO_DECL std::string to_string(asio::error_code& ec) const;
+
+ /// Compare two networks for equality.
+ friend bool operator==(const network_v6& a, const network_v6& b)
+ {
+ return a.address_ == b.address_ && a.prefix_length_ == b.prefix_length_;
+ }
+
+ /// Compare two networks for inequality.
+ friend bool operator!=(const network_v6& a, const network_v6& b)
+ {
+ return !(a == b);
+ }
+
+private:
+ address_v6 address_;
+ unsigned short prefix_length_;
+};
+
+/// Create an IPv6 network from an address and prefix length.
+/**
+ * @relates address_v6
+ */
+inline network_v6 make_network_v6(
+ const address_v6& addr, unsigned short prefix_len)
+{
+ return network_v6(addr, prefix_len);
+}
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(const char* str);
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(
+ const char* str, asio::error_code& ec);
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(const std::string& str);
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(
+ const std::string& str, asio::error_code& ec);
+
+#if defined(ASIO_HAS_STRING_VIEW) \
+ || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(string_view str);
+
+/// Create an IPv6 network from a string containing IP address and prefix
+/// length.
+/**
+ * @relates network_v6
+ */
+ASIO_DECL network_v6 make_network_v6(
+ string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+/// Output a network as a string.
+/**
+ * Used to output a human-readable string for a specified network.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param net The network to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates asio::ip::address_v6
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const network_v6& net);
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/ip/impl/network_v6.hpp"
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ip/impl/network_v6.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_IP_NETWORK_V6_HPP
diff --git a/lib/asio/ip/resolver_base.hpp b/lib/asio/ip/resolver_base.hpp
new file mode 100644
index 0000000..d32c911
--- /dev/null
+++ b/lib/asio/ip/resolver_base.hpp
@@ -0,0 +1,129 @@
+//
+// ip/resolver_base.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_RESOLVER_BASE_HPP
+#define ASIO_IP_RESOLVER_BASE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/socket_types.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// The resolver_base class is used as a base for the basic_resolver class
+/// templates to provide a common place to define the flag constants.
+class resolver_base
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+ /// A bitmask type (C++ Std [lib.bitmask.types]).
+ typedef unspecified flags;
+
+ /// Determine the canonical name of the host specified in the query.
+ static const flags canonical_name = implementation_defined;
+
+ /// Indicate that returned endpoint is intended for use as a locally bound
+ /// socket endpoint.
+ static const flags passive = implementation_defined;
+
+ /// Host name should be treated as a numeric string defining an IPv4 or IPv6
+ /// address and no name resolution should be attempted.
+ static const flags numeric_host = implementation_defined;
+
+ /// Service name should be treated as a numeric string defining a port number
+ /// and no name resolution should be attempted.
+ static const flags numeric_service = implementation_defined;
+
+ /// If the query protocol family is specified as IPv6, return IPv4-mapped
+ /// IPv6 addresses on finding no IPv6 addresses.
+ static const flags v4_mapped = implementation_defined;
+
+ /// If used with v4_mapped, return all matching IPv6 and IPv4 addresses.
+ static const flags all_matching = implementation_defined;
+
+ /// Only return IPv4 addresses if a non-loopback IPv4 address is configured
+ /// for the system. Only return IPv6 addresses if a non-loopback IPv6 address
+ /// is configured for the system.
+ static const flags address_configured = implementation_defined;
+#else
+ enum flags
+ {
+ canonical_name = ASIO_OS_DEF(AI_CANONNAME),
+ passive = ASIO_OS_DEF(AI_PASSIVE),
+ numeric_host = ASIO_OS_DEF(AI_NUMERICHOST),
+ numeric_service = ASIO_OS_DEF(AI_NUMERICSERV),
+ v4_mapped = ASIO_OS_DEF(AI_V4MAPPED),
+ all_matching = ASIO_OS_DEF(AI_ALL),
+ address_configured = ASIO_OS_DEF(AI_ADDRCONFIG)
+ };
+
+ // Implement bitmask operations as shown in C++ Std [lib.bitmask.types].
+
+ friend flags operator&(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) & static_cast<unsigned int>(y));
+ }
+
+ friend flags operator|(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) | static_cast<unsigned int>(y));
+ }
+
+ friend flags operator^(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) ^ static_cast<unsigned int>(y));
+ }
+
+ friend flags operator~(flags x)
+ {
+ return static_cast<flags>(~static_cast<unsigned int>(x));
+ }
+
+ friend flags& operator&=(flags& x, flags y)
+ {
+ x = x & y;
+ return x;
+ }
+
+ friend flags& operator|=(flags& x, flags y)
+ {
+ x = x | y;
+ return x;
+ }
+
+ friend flags& operator^=(flags& x, flags y)
+ {
+ x = x ^ y;
+ return x;
+ }
+#endif
+
+protected:
+ /// Protected destructor to prevent deletion through this type.
+ ~resolver_base()
+ {
+ }
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_RESOLVER_BASE_HPP
diff --git a/lib/asio/ip/resolver_query_base.hpp b/lib/asio/ip/resolver_query_base.hpp
new file mode 100644
index 0000000..be36858
--- /dev/null
+++ b/lib/asio/ip/resolver_query_base.hpp
@@ -0,0 +1,43 @@
+//
+// ip/resolver_query_base.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_RESOLVER_QUERY_BASE_HPP
+#define ASIO_IP_RESOLVER_QUERY_BASE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/ip/resolver_base.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// The resolver_query_base class is used as a base for the
+/// basic_resolver_query class templates to provide a common place to define
+/// the flag constants.
+class resolver_query_base : public resolver_base
+{
+protected:
+ /// Protected destructor to prevent deletion through this type.
+ ~resolver_query_base()
+ {
+ }
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_RESOLVER_QUERY_BASE_HPP
diff --git a/lib/asio/ip/resolver_service.hpp b/lib/asio/ip/resolver_service.hpp
new file mode 100644
index 0000000..519d72d
--- /dev/null
+++ b/lib/asio/ip/resolver_service.hpp
@@ -0,0 +1,200 @@
+//
+// ip/resolver_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_RESOLVER_SERVICE_HPP
+#define ASIO_IP_RESOLVER_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+
+#include "asio/async_result.hpp"
+#include "asio/error_code.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+#include "asio/ip/basic_resolver_results.hpp"
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/winrt_resolver_service.hpp"
+#else
+# include "asio/detail/resolver_service.hpp"
+#endif
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Default service implementation for a resolver.
+template <typename InternetProtocol>
+class resolver_service
+#if defined(GENERATING_DOCUMENTATION)
+ : public asio::io_context::service
+#else
+ : public asio::detail::service_base<
+ resolver_service<InternetProtocol> >
+#endif
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+ /// The unique service identifier.
+ static asio::io_context::id id;
+#endif
+
+ /// The protocol type.
+ typedef InternetProtocol protocol_type;
+
+ /// The endpoint type.
+ typedef typename InternetProtocol::endpoint endpoint_type;
+
+ /// The query type.
+ typedef basic_resolver_query<InternetProtocol> query_type;
+
+ /// The iterator type.
+ typedef basic_resolver_iterator<InternetProtocol> iterator_type;
+
+ /// The results type.
+ typedef basic_resolver_results<InternetProtocol> results_type;
+
+private:
+ // The type of the platform-specific implementation.
+#if defined(ASIO_WINDOWS_RUNTIME)
+ typedef asio::detail::winrt_resolver_service<InternetProtocol>
+ service_impl_type;
+#else
+ typedef asio::detail::resolver_service<InternetProtocol>
+ service_impl_type;
+#endif
+
+public:
+ /// The type of a resolver implementation.
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined implementation_type;
+#else
+ typedef typename service_impl_type::implementation_type implementation_type;
+#endif
+
+ /// Construct a new resolver service for the specified io_context.
+ explicit resolver_service(asio::io_context& io_context)
+ : asio::detail::service_base<
+ resolver_service<InternetProtocol> >(io_context),
+ service_impl_(io_context)
+ {
+ }
+
+ /// Construct a new resolver implementation.
+ void construct(implementation_type& impl)
+ {
+ service_impl_.construct(impl);
+ }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-construct a new resolver implementation.
+ void move_construct(implementation_type& impl,
+ implementation_type& other_impl)
+ {
+ service_impl_.move_construct(impl, other_impl);
+ }
+
+ /// Move-assign from another resolver implementation.
+ void move_assign(implementation_type& impl,
+ resolver_service& other_service,
+ implementation_type& other_impl)
+ {
+ service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
+ }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Destroy a resolver implementation.
+ void destroy(implementation_type& impl)
+ {
+ service_impl_.destroy(impl);
+ }
+
+ /// Cancel pending asynchronous operations.
+ void cancel(implementation_type& impl)
+ {
+ service_impl_.cancel(impl);
+ }
+
+ /// Resolve a query to a list of entries.
+ results_type resolve(implementation_type& impl, const query_type& query,
+ asio::error_code& ec)
+ {
+ return service_impl_.resolve(impl, query, ec);
+ }
+
+ /// Asynchronously resolve a query to a list of entries.
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(implementation_type& impl, const query_type& query,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ service_impl_.async_resolve(impl, query, init.completion_handler);
+
+ return init.result.get();
+ }
+
+ /// Resolve an endpoint to a list of entries.
+ results_type resolve(implementation_type& impl,
+ const endpoint_type& endpoint, asio::error_code& ec)
+ {
+ return service_impl_.resolve(impl, endpoint, ec);
+ }
+
+ /// Asynchronously resolve an endpoint to a list of entries.
+ template <typename ResolveHandler>
+ ASIO_INITFN_RESULT_TYPE(ResolveHandler,
+ void (asio::error_code, results_type))
+ async_resolve(implementation_type& impl, const endpoint_type& endpoint,
+ ASIO_MOVE_ARG(ResolveHandler) handler)
+ {
+ asio::async_completion<ResolveHandler,
+ void (asio::error_code, results_type)> init(handler);
+
+ service_impl_.async_resolve(impl, endpoint, init.completion_handler);
+
+ return init.result.get();
+ }
+
+private:
+ // Destroy all user-defined handler objects owned by the service.
+ void shutdown()
+ {
+ service_impl_.shutdown();
+ }
+
+ // Perform any fork-related housekeeping.
+ void notify_fork(asio::io_context::fork_event event)
+ {
+ service_impl_.notify_fork(event);
+ }
+
+ // The platform-specific implementation.
+ service_impl_type service_impl_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+
+#endif // ASIO_IP_RESOLVER_SERVICE_HPP
diff --git a/lib/asio/ip/tcp.hpp b/lib/asio/ip/tcp.hpp
new file mode 100644
index 0000000..f1adeb0
--- /dev/null
+++ b/lib/asio/ip/tcp.hpp
@@ -0,0 +1,155 @@
+//
+// ip/tcp.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_TCP_HPP
+#define ASIO_IP_TCP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/basic_socket_acceptor.hpp"
+#include "asio/basic_socket_iostream.hpp"
+#include "asio/basic_stream_socket.hpp"
+#include "asio/detail/socket_option.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/ip/basic_endpoint.hpp"
+#include "asio/ip/basic_resolver.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Encapsulates the flags needed for TCP.
+/**
+ * The asio::ip::tcp class contains flags necessary for TCP sockets.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Safe.
+ *
+ * @par Concepts:
+ * Protocol, InternetProtocol.
+ */
+class tcp
+{
+public:
+ /// The type of a TCP endpoint.
+ typedef basic_endpoint<tcp> endpoint;
+
+ /// Construct to represent the IPv4 TCP protocol.
+ static tcp v4()
+ {
+ return tcp(ASIO_OS_DEF(AF_INET));
+ }
+
+ /// Construct to represent the IPv6 TCP protocol.
+ static tcp v6()
+ {
+ return tcp(ASIO_OS_DEF(AF_INET6));
+ }
+
+ /// Obtain an identifier for the type of the protocol.
+ int type() const
+ {
+ return ASIO_OS_DEF(SOCK_STREAM);
+ }
+
+ /// Obtain an identifier for the protocol.
+ int protocol() const
+ {
+ return ASIO_OS_DEF(IPPROTO_TCP);
+ }
+
+ /// Obtain an identifier for the protocol family.
+ int family() const
+ {
+ return family_;
+ }
+
+ /// The TCP socket type.
+ typedef basic_stream_socket<tcp> socket;
+
+ /// The TCP acceptor type.
+ typedef basic_socket_acceptor<tcp> acceptor;
+
+ /// The TCP resolver type.
+ typedef basic_resolver<tcp> resolver;
+
+#if !defined(ASIO_NO_IOSTREAM)
+ /// The TCP iostream type.
+ typedef basic_socket_iostream<tcp> iostream;
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+ /// Socket option for disabling the Nagle algorithm.
+ /**
+ * Implements the IPPROTO_TCP/TCP_NODELAY socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::tcp::socket socket(io_context);
+ * ...
+ * asio::ip::tcp::no_delay option(true);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par
+ * Getting the current option value:
+ * @code
+ * asio::ip::tcp::socket socket(io_context);
+ * ...
+ * asio::ip::tcp::no_delay option;
+ * socket.get_option(option);
+ * bool is_set = option.value();
+ * @endcode
+ *
+ * @par Concepts:
+ * Socket_Option, Boolean_Socket_Option.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined no_delay;
+#else
+ typedef asio::detail::socket_option::boolean<
+ ASIO_OS_DEF(IPPROTO_TCP), ASIO_OS_DEF(TCP_NODELAY)> no_delay;
+#endif
+
+ /// Compare two protocols for equality.
+ friend bool operator==(const tcp& p1, const tcp& p2)
+ {
+ return p1.family_ == p2.family_;
+ }
+
+ /// Compare two protocols for inequality.
+ friend bool operator!=(const tcp& p1, const tcp& p2)
+ {
+ return p1.family_ != p2.family_;
+ }
+
+private:
+ // Construct with a specific family.
+ explicit tcp(int protocol_family)
+ : family_(protocol_family)
+ {
+ }
+
+ int family_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_TCP_HPP
diff --git a/lib/asio/ip/udp.hpp b/lib/asio/ip/udp.hpp
new file mode 100644
index 0000000..1c93f9b
--- /dev/null
+++ b/lib/asio/ip/udp.hpp
@@ -0,0 +1,111 @@
+//
+// ip/udp.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_UDP_HPP
+#define ASIO_IP_UDP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/basic_datagram_socket.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/ip/basic_endpoint.hpp"
+#include "asio/ip/basic_resolver.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Encapsulates the flags needed for UDP.
+/**
+ * The asio::ip::udp class contains flags necessary for UDP sockets.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Safe.
+ *
+ * @par Concepts:
+ * Protocol, InternetProtocol.
+ */
+class udp
+{
+public:
+ /// The type of a UDP endpoint.
+ typedef basic_endpoint<udp> endpoint;
+
+ /// Construct to represent the IPv4 UDP protocol.
+ static udp v4()
+ {
+ return udp(ASIO_OS_DEF(AF_INET));
+ }
+
+ /// Construct to represent the IPv6 UDP protocol.
+ static udp v6()
+ {
+ return udp(ASIO_OS_DEF(AF_INET6));
+ }
+
+ /// Obtain an identifier for the type of the protocol.
+ int type() const
+ {
+ return ASIO_OS_DEF(SOCK_DGRAM);
+ }
+
+ /// Obtain an identifier for the protocol.
+ int protocol() const
+ {
+ return ASIO_OS_DEF(IPPROTO_UDP);
+ }
+
+ /// Obtain an identifier for the protocol family.
+ int family() const
+ {
+ return family_;
+ }
+
+ /// The UDP socket type.
+ typedef basic_datagram_socket<udp> socket;
+
+ /// The UDP resolver type.
+ typedef basic_resolver<udp> resolver;
+
+ /// Compare two protocols for equality.
+ friend bool operator==(const udp& p1, const udp& p2)
+ {
+ return p1.family_ == p2.family_;
+ }
+
+ /// Compare two protocols for inequality.
+ friend bool operator!=(const udp& p1, const udp& p2)
+ {
+ return p1.family_ != p2.family_;
+ }
+
+private:
+ // Construct with a specific family.
+ explicit udp(int protocol_family)
+ : family_(protocol_family)
+ {
+ }
+
+ int family_;
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_UDP_HPP
diff --git a/lib/asio/ip/unicast.hpp b/lib/asio/ip/unicast.hpp
new file mode 100644
index 0000000..14e3e48
--- /dev/null
+++ b/lib/asio/ip/unicast.hpp
@@ -0,0 +1,70 @@
+//
+// ip/unicast.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_UNICAST_HPP
+#define ASIO_IP_UNICAST_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <cstddef>
+#include "asio/ip/detail/socket_option.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+namespace unicast {
+
+/// Socket option for time-to-live associated with outgoing unicast packets.
+/**
+ * Implements the IPPROTO_IP/IP_UNICAST_TTL socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::unicast::hops option(4);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par
+ * Getting the current option value:
+ * @code
+ * asio::ip::udp::socket socket(io_context);
+ * ...
+ * asio::ip::unicast::hops option;
+ * socket.get_option(option);
+ * int ttl = option.value();
+ * @endcode
+ *
+ * @par Concepts:
+ * GettableSocketOption, SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined hops;
+#else
+typedef asio::ip::detail::socket_option::unicast_hops<
+ ASIO_OS_DEF(IPPROTO_IP),
+ ASIO_OS_DEF(IP_TTL),
+ ASIO_OS_DEF(IPPROTO_IPV6),
+ ASIO_OS_DEF(IPV6_UNICAST_HOPS)> hops;
+#endif
+
+} // namespace unicast
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_UNICAST_HPP
diff --git a/lib/asio/ip/v6_only.hpp b/lib/asio/ip/v6_only.hpp
new file mode 100644
index 0000000..ac7234e
--- /dev/null
+++ b/lib/asio/ip/v6_only.hpp
@@ -0,0 +1,69 @@
+//
+// ip/v6_only.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_V6_ONLY_HPP
+#define ASIO_IP_V6_ONLY_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/socket_option.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// Socket option for determining whether an IPv6 socket supports IPv6
+/// communication only.
+/**
+ * Implements the IPPROTO_IPV6/IP_V6ONLY socket option.
+ *
+ * @par Examples
+ * Setting the option:
+ * @code
+ * asio::ip::tcp::socket socket(io_context);
+ * ...
+ * asio::ip::v6_only option(true);
+ * socket.set_option(option);
+ * @endcode
+ *
+ * @par
+ * Getting the current option value:
+ * @code
+ * asio::ip::tcp::socket socket(io_context);
+ * ...
+ * asio::ip::v6_only option;
+ * socket.get_option(option);
+ * bool v6_only = option.value();
+ * @endcode
+ *
+ * @par Concepts:
+ * GettableSocketOption, SettableSocketOption.
+ */
+#if defined(GENERATING_DOCUMENTATION)
+typedef implementation_defined v6_only;
+#elif defined(IPV6_V6ONLY)
+typedef asio::detail::socket_option::boolean<
+ IPPROTO_IPV6, IPV6_V6ONLY> v6_only;
+#else
+typedef asio::detail::socket_option::boolean<
+ asio::detail::custom_socket_option_level,
+ asio::detail::always_fail_option> v6_only;
+#endif
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_V6_ONLY_HPP