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Diffstat (limited to '3rdParty/Boost/boost/asio/ip/detail/socket_option.hpp')
-rw-r--r--3rdParty/Boost/boost/asio/ip/detail/socket_option.hpp580
1 files changed, 580 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/asio/ip/detail/socket_option.hpp b/3rdParty/Boost/boost/asio/ip/detail/socket_option.hpp
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+++ b/3rdParty/Boost/boost/asio/ip/detail/socket_option.hpp
@@ -0,0 +1,580 @@
+//
+// socket_option.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 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 BOOST_ASIO_IP_DETAIL_SOCKET_OPTION_HPP
+#define BOOST_ASIO_IP_DETAIL_SOCKET_OPTION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <cstddef>
+#include <cstring>
+#include <boost/config.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/ip/address.hpp>
+#include <boost/asio/detail/socket_ops.hpp>
+#include <boost/asio/detail/socket_types.hpp>
+
+namespace boost {
+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_))
+ {
+ throw std::length_error(
+ "multicast_enable_loopback socket option resize");
+ }
+ ipv4_value_ = ipv6_value_ ? 1 : 0;
+ }
+ else
+ {
+ if (s != sizeof(ipv4_value_))
+ {
+ throw std::length_error(
+ "multicast_enable_loopback socket option resize");
+ }
+ 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_))
+ throw std::length_error("unicast hops socket option resize");
+#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(BOOST_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)
+ throw std::out_of_range("multicast hops value out of range");
+ 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)
+ throw std::out_of_range("multicast hops value out of range");
+ 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_))
+ throw std::length_error("multicast hops socket option resize");
+ 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_))
+ throw std::length_error("multicast hops socket option resize");
+ 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_.imr_multiaddr.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+ ipv4_value_.imr_interface.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+
+ boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_ANY_INIT;
+ ipv6_value_.ipv6mr_multiaddr = tmp_addr;
+ ipv6_value_.ipv6mr_interface = 0;
+ }
+
+ // Construct with multicast address only.
+ explicit multicast_request(const boost::asio::ip::address& multicast_address)
+ {
+ if (multicast_address.is_v6())
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+ ipv4_value_.imr_interface.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+
+ using namespace std; // For memcpy.
+ boost::asio::ip::address_v6 ipv6_address = multicast_address.to_v6();
+ boost::asio::ip::address_v6::bytes_type bytes = ipv6_address.to_bytes();
+ memcpy(ipv6_value_.ipv6mr_multiaddr.s6_addr, bytes.elems, 16);
+ ipv6_value_.ipv6mr_interface = 0;
+ }
+ else
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ multicast_address.to_v4().to_ulong());
+ ipv4_value_.imr_interface.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+
+ boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_ANY_INIT;
+ ipv6_value_.ipv6mr_multiaddr = tmp_addr;
+ ipv6_value_.ipv6mr_interface = 0;
+ }
+ }
+
+ // Construct with multicast address and IPv4 address specifying an interface.
+ explicit multicast_request(
+ const boost::asio::ip::address_v4& multicast_address,
+ const boost::asio::ip::address_v4& network_interface
+ = boost::asio::ip::address_v4::any())
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ multicast_address.to_ulong());
+ ipv4_value_.imr_interface.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ network_interface.to_ulong());
+
+ boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_ANY_INIT;
+ ipv6_value_.ipv6mr_multiaddr = tmp_addr;
+ ipv6_value_.ipv6mr_interface = 0;
+ }
+
+ // Construct with multicast address and IPv6 network interface index.
+ explicit multicast_request(
+ const boost::asio::ip::address_v6& multicast_address,
+ unsigned long network_interface = 0)
+ {
+ ipv4_value_.imr_multiaddr.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+ ipv4_value_.imr_interface.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+
+ using namespace std; // For memcpy.
+ boost::asio::ip::address_v6::bytes_type bytes =
+ multicast_address.to_bytes();
+ memcpy(ipv6_value_.ipv6mr_multiaddr.s6_addr, bytes.elems, 16);
+ ipv6_value_.ipv6mr_interface = network_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:
+ boost::asio::detail::in4_mreq_type ipv4_value_;
+ boost::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 =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+ ipv6_value_ = 0;
+ }
+
+ // Construct with IPv4 interface.
+ explicit network_interface(const boost::asio::ip::address_v4& ipv4_interface)
+ {
+ ipv4_value_.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ ipv4_interface.to_ulong());
+ ipv6_value_ = 0;
+ }
+
+ // Construct with IPv6 interface.
+ explicit network_interface(unsigned int ipv6_interface)
+ {
+ ipv4_value_.s_addr =
+ boost::asio::detail::socket_ops::host_to_network_long(
+ boost::asio::ip::address_v4::any().to_ulong());
+ 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:
+ boost::asio::detail::in4_addr_type ipv4_value_;
+ unsigned int ipv6_value_;
+};
+
+} // namespace socket_option
+} // namespace detail
+} // namespace ip
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IP_DETAIL_SOCKET_OPTION_HPP