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//
// generic/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_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
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