diff options
Diffstat (limited to 'lib/asio/ip/detail')
| -rw-r--r-- | lib/asio/ip/detail/endpoint.hpp | 139 | ||||
| -rw-r--r-- | lib/asio/ip/detail/impl/endpoint.ipp | 199 | ||||
| -rw-r--r-- | lib/asio/ip/detail/socket_option.hpp | 566 |
3 files changed, 904 insertions, 0 deletions
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 |