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+//
+// generic/detail/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2014 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_GENERIC_DETAIL_ENDPOINT_HPP
+#define BOOST_ASIO_GENERIC_DETAIL_ENDPOINT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#include <cstddef>
+#include <boost/asio/detail/socket_types.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace generic {
+namespace detail {
+
+// Helper class for implementing a generic socket endpoint.
+class endpoint
+{
+public:
+ // Default constructor.
+ BOOST_ASIO_DECL endpoint();
+
+ // Construct an endpoint from the specified raw bytes.
+ BOOST_ASIO_DECL endpoint(const void* sock_addr,
+ std::size_t sock_addr_size, int sock_protocol);
+
+ // Copy constructor.
+ endpoint(const endpoint& other)
+ : data_(other.data_),
+ size_(other.size_),
+ protocol_(other.protocol_)
+ {
+ }
+
+ // Assign from another endpoint.
+ endpoint& operator=(const endpoint& other)
+ {
+ data_ = other.data_;
+ size_ = other.size_;
+ protocol_ = other.protocol_;
+ return *this;
+ }
+
+ // Get the address family associated with the endpoint.
+ int family() const
+ {
+ return data_.base.sa_family;
+ }
+
+ // Get the socket protocol associated with the endpoint.
+ int protocol() const
+ {
+ return protocol_;
+ }
+
+ // Get the underlying endpoint in the native type.
+ boost::asio::detail::socket_addr_type* data()
+ {
+ return &data_.base;
+ }
+
+ // Get the underlying endpoint in the native type.
+ const boost::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
+ {
+ return size_;
+ }
+
+ // Set the underlying size of the endpoint in the native type.
+ BOOST_ASIO_DECL void resize(std::size_t size);
+
+ // Get the capacity of the endpoint in the native type.
+ std::size_t capacity() const
+ {
+ return sizeof(boost::asio::detail::sockaddr_storage_type);
+ }
+
+ // Compare two endpoints for equality.
+ BOOST_ASIO_DECL friend bool operator==(
+ const endpoint& e1, const endpoint& e2);
+
+ // Compare endpoints for ordering.
+ BOOST_ASIO_DECL friend bool operator<(
+ const endpoint& e1, const endpoint& e2);
+
+private:
+ // The underlying socket address.
+ union data_union
+ {
+ boost::asio::detail::socket_addr_type base;
+ boost::asio::detail::sockaddr_storage_type generic;
+ } data_;
+
+ // The length of the socket address stored in the endpoint.
+ std::size_t size_;
+
+ // The socket protocol associated with the endpoint.
+ int protocol_;
+
+ // Initialise with a specified memory.
+ BOOST_ASIO_DECL void init(const void* sock_addr,
+ std::size_t sock_addr_size, int sock_protocol);
+};
+
+} // namespace detail
+} // namespace generic
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#if defined(BOOST_ASIO_HEADER_ONLY)
+# include <boost/asio/generic/detail/impl/endpoint.ipp>
+#endif // defined(BOOST_ASIO_HEADER_ONLY)
+
+#endif // BOOST_ASIO_GENERIC_DETAIL_ENDPOINT_HPP