socket.hpp

Go to the documentation of this file.

/* Copyright 2025 Kevin Exton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
#ifndef IO_SOCKET_POSIX_HPP
#define IO_SOCKET_POSIX_HPP
#include <ios>
#include <span>
 
#include <fcntl.h>
#include <sys/socket.h>
#include <unistd.h>
 
namespace io::socket {
using native_socket_type = int;
 
inline static constexpr native_socket_type INVALID_SOCKET = -1;
 
inline static constexpr int SOCKET_ERROR = -1;
 
using socket_buffer_type = std::span<char, std::dynamic_extent>;
 
using socket_message_type = struct msghdr;
 
inline auto close(native_socket_type socket) noexcept -> int {
  return ::close(socket);
}
 
template <typename... Args>
inline auto fcntl(native_socket_type socket, int cmd,
                  Args &&...args) noexcept -> int {
  // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
  return ::fcntl(socket, cmd, std::forward<Args>(args)...);
}
 
inline auto sendmsg(native_socket_type socket, const socket_message_type *msg,
                    int flags) noexcept -> std::streamsize {
  return ::sendmsg(socket, msg, flags);
}
 
inline auto recvmsg(native_socket_type socket, socket_message_type *msg,
                    int flags) noexcept -> std::streamsize {
  return ::recvmsg(socket, msg, flags);
}
 
using sockaddr_type = struct sockaddr;
 
using sockaddr_storage_type = struct sockaddr_storage;
 
using socklen_type = socklen_t;
} // namespace io::socket
 
#endif // IO_SOCKET_POSIX_HPP