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extern/asio-1.18.2/include/asio/generic/detail/endpoint.hpp

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+//
+// generic/detail/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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_GENERIC_DETAIL_ENDPOINT_HPP
+#define ASIO_GENERIC_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 <cstddef>
+#include "asio/detail/socket_types.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace generic {
+namespace detail {
+
+// Helper class for implementing a generic socket endpoint.
+class endpoint
+{
+public:
+  // Default constructor.
+  ASIO_DECL endpoint();
+
+  // Construct an endpoint from the specified raw bytes.
+  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.
+  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
+  {
+    return size_;
+  }
+
+  // Set the underlying size of the endpoint in the native type.
+  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(asio::detail::sockaddr_storage_type);
+  }
+
+  // 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);
+
+private:
+  // The underlying socket address.
+  union data_union
+  {
+    asio::detail::socket_addr_type base;
+    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.
+  ASIO_DECL void init(const void* sock_addr,
+      std::size_t sock_addr_size, int sock_protocol);
+};
+
+} // namespace detail
+} // namespace generic
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/generic/detail/impl/endpoint.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_GENERIC_DETAIL_ENDPOINT_HPP

extern/asio-1.18.2/include/asio/generic/detail/impl/endpoint.ipp

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+//
+// generic/detail/impl/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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_GENERIC_DETAIL_IMPL_ENDPOINT_IPP
+#define ASIO_GENERIC_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>
+#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/generic/detail/endpoint.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace generic {
+namespace detail {
+
+endpoint::endpoint()
+{
+  init(0, 0, 0);
+}
+
+endpoint::endpoint(const void* sock_addr,
+    std::size_t sock_addr_size, int sock_protocol)
+{
+  init(sock_addr, sock_addr_size, sock_protocol);
+}
+
+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);
+  }
+  else
+  {
+    size_ = new_size;
+    protocol_ = 0;
+  }
+}
+
+bool operator==(const endpoint& e1, const endpoint& e2)
+{
+  using namespace std; // For memcmp.
+  return e1.size() == e2.size() && memcmp(e1.data(), e2.data(), e1.size()) == 0;
+}
+
+bool operator<(const endpoint& e1, const endpoint& e2)
+{
+  if (e1.protocol() < e2.protocol())
+    return true;
+
+  if (e1.protocol() > e2.protocol())
+    return false;
+
+  using namespace std; // For memcmp.
+  std::size_t compare_size = e1.size() < e2.size() ? e1.size() : e2.size();
+  int compare_result = memcmp(e1.data(), e2.data(), compare_size);
+
+  if (compare_result < 0)
+    return true;
+
+  if (compare_result > 0)
+    return false;
+
+  return e1.size() < e2.size();
+}
+
+void endpoint::init(const void* sock_addr,
+    std::size_t sock_addr_size, int sock_protocol)
+{
+  if (sock_addr_size > sizeof(asio::detail::sockaddr_storage_type))
+  {
+    asio::error_code ec(asio::error::invalid_argument);
+    asio::detail::throw_error(ec);
+  }
+
+  using namespace std; // For memset and memcpy.
+  memset(&data_.generic, 0, sizeof(asio::detail::sockaddr_storage_type));
+  if (sock_addr_size > 0)
+    memcpy(&data_.generic, sock_addr, sock_addr_size);
+
+  size_ = sock_addr_size;
+  protocol_ = sock_protocol;
+}
+
+} // namespace detail
+} // namespace generic
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_GENERIC_DETAIL_IMPL_ENDPOINT_IPP