2 * Copyright (C) 2015, 2016 , 2017, 2018, 2019 "IoT\.bzh"
3 * Author "Romain Forlot" <romain.forlot@iot.bzh>
4 * Author "Loïc Collignon" <loic.collignon@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 #include <linux/can/raw.h>
22 #include <sys/ioctl.h>
24 #include "socketcan.hpp"
29 /// @brief Construct a default, invalid, socket.
30 socketcan_t::socketcan_t()
31 : socket_{INVALID_SOCKET}
33 ::memset(&tx_address_, 0, sizeof(tx_address_));
36 /// @brief Construct a socket by moving an existing one.
37 socketcan_t::socketcan_t(socketcan_t&& s)
40 ::memset(&tx_address_, 0, sizeof(tx_address_));
43 socketcan_t& socketcan_t::operator=(const socketcan_t& s)
45 socket_ = std::move(s.socket_);
49 socketcan_t::~socketcan_t()
52 socket_ = INVALID_SOCKET;
55 const struct sockaddr_can& socketcan_t::get_tx_address() const
60 /// @brief Test if socket is valid.
61 /// @return true if valid, false otherwise.
62 socketcan_t::operator bool() const
64 return socket_ != INVALID_SOCKET;
67 /// @brief Open the socket.
68 /// @param[in] domain Specifies the communications domain in which a socket is to be created.
69 /// @param[in] type Specifies the type of socket to be created.
70 /// @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.
71 /// @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.
72 int socketcan_t::open(int domain, int type, int protocol)
75 socket_ = ::socket(domain, type, protocol);
77 AFB_ERROR("Open failed. %s", strerror(errno));
82 /// @brief Close the socket.
83 /// @return 0 if success.
84 int socketcan_t::close()
86 return socket_ != INVALID_SOCKET ? ::close(socket_) : 0;
89 /// @brief Set socket option.
90 /// @return 0 if success.
91 int socketcan_t::setopt(int level, int optname, const void* optval, socklen_t optlen)
93 return socket_ != INVALID_SOCKET ? ::setsockopt(socket_, level, optname, optval, optlen) : 0;
96 /// @brief Get the file descriptor.
97 /// @return The socket's file descriptor
98 int socketcan_t::socket() const
103 /// @brief Connect the socket.
104 /// @return 0 if success.
105 int socketcan_t::connect(const struct sockaddr* addr, socklen_t len)
107 return socket_ != INVALID_SOCKET ? ::connect(socket_, addr, len) : 0;
110 /// @brief Bind the socket.
111 /// @return 0 if success.
112 int socketcan_t::bind(const struct sockaddr* addr, socklen_t len)
114 return socket_ != INVALID_SOCKET ? ::bind(socket_, addr, len) : 0;
117 int socketcan_t::write_message(std::vector<message_t>& vobj)
119 for(int i=0;i<vobj.size();i++)
121 if(write_message(vobj[i])<0)
123 AFB_ERROR("Error send message %d", i);