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Diffstat (limited to 'lib/asio/ip/detail/socket_option.hpp')
| -rw-r--r-- | lib/asio/ip/detail/socket_option.hpp | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/lib/asio/ip/detail/socket_option.hpp b/lib/asio/ip/detail/socket_option.hpp deleted file mode 100644 index 051ef30..0000000 --- a/lib/asio/ip/detail/socket_option.hpp +++ /dev/null @@ -1,566 +0,0 @@ -// -// 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 |