/* * Copyright (C) 2015, 2016 ,2017 "IoT.bzh" * Author "Romain Forlot" <romain.forlot@iot.bzh> * Author "Loïc Collignon" <loic.collignon@iot.bzh> * 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. */ #include <unistd.h> #include "socket.hpp" namespace utils { /// @brief Construct a default, invalid, socket. socket_t::socket_t() : socket_{INVALID_SOCKET} { } /// @brief Construct a socket by moving an existing one. socket_t::socket_t(socket_t&& s) : socket_{s.socket_} { s.socket_ = INVALID_SOCKET; } /// @brief Destruct the socket. socket_t::~socket_t() { if(socket_ != INVALID_SOCKET) ::close(socket_); } /// @brief Test if socket is valid. /// @return true if valid, false otherwise. socket_t::operator bool() const { return socket_ != INVALID_SOCKET; } /// @brief Open the socket. /// @param[in] domain Specifies the communications domain in which a socket is to be created. /// @param[in] type Specifies the type of socket to be created. /// @param[in] protocol Specifies a particular protocol to be used with the socket. Specifying a protocol of 0 causes socket() to use an unspecified default protocol appropriate for the requested socket type. /// @return Upon successful completion, shall return a non-negative integer, the socket file descriptor. Otherwise, a value of -1 shall be returned and errno set to indicate the error. int socket_t::open(int domain, int type, int protocol) { close(); socket_ = ::socket(domain, type, protocol); return socket_; } /// @brief Close the socket. /// @return 0 if success. int socket_t::close() { return socket_ != INVALID_SOCKET ? ::close(socket_) : 0; } /// @brief Set socket option. /// @return 0 if success. int socket_t::setopt(int level, int optname, const void* optval, socklen_t optlen) { return socket_ != INVALID_SOCKET ? ::setsockopt(socket_, level, optname, optval, optlen) : 0; } /// @brief Bind the socket. /// @return 0 if success. int socket_t::bind(const struct sockaddr* addr, socklen_t len) { return socket_ != INVALID_SOCKET ? ::bind(socket_, addr, len) : 0; } /// @brief Get the file descriptor. /// @return The socket's file descriptor int socket_t::socket() const { return socket_; } }