diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/utils/socket.cpp | 89 | ||||
| -rw-r--r-- | src/utils/socket.hpp | 46 |
2 files changed, 135 insertions, 0 deletions
diff --git a/src/utils/socket.cpp b/src/utils/socket.cpp new file mode 100644 index 00000000..8badddfc --- /dev/null +++ b/src/utils/socket.cpp @@ -0,0 +1,89 @@ +/* + * 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_; + } +} diff --git a/src/utils/socket.hpp b/src/utils/socket.hpp new file mode 100644 index 00000000..e9ddf074 --- /dev/null +++ b/src/utils/socket.hpp @@ -0,0 +1,46 @@ +#pragma once + +/* + * 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 <sys/socket.h> + +#define INVALID_SOCKET -1 + +namespace utils +{ + class socket_t + { + public: + socket_t(); + socket_t(const socket_t&) = delete; + socket_t(socket_t&&); + ~socket_t(); + + explicit operator bool() const; + + int open(int domain, int type, int protocol); + int close(); + int setopt(int level, int optname, const void* optval, socklen_t optlen); + int socket() const; + int bind(const struct sockaddr* addr, socklen_t len); + + private: + int socket_; + }; +} + |