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Diffstat (limited to 'CAN-binder/low-can-binding/utils/socket.cpp')
| -rw-r--r-- | CAN-binder/low-can-binding/utils/socket.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/CAN-binder/low-can-binding/utils/socket.cpp b/CAN-binder/low-can-binding/utils/socket.cpp deleted file mode 100644 index 9decaa8e..00000000 --- a/CAN-binder/low-can-binding/utils/socket.cpp +++ /dev/null @@ -1,146 +0,0 @@ -/* - * 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 <string> -#include <string.h> -#include <linux/can/raw.h> -#include <net/if.h> -#include <sys/ioctl.h> - -#include "socket.hpp" -#include "low-can-binding.hpp" - -namespace utils -{ - /// @brief Construct a default, invalid, socket. - socketcan_t::socketcan_t() - : socket_{INVALID_SOCKET} - {} - - /// @brief Construct a socket by moving an existing one. - socketcan_t::socketcan_t(socketcan_t&& s) - : socket_{s.socket_} - { - s.socket_ = INVALID_SOCKET; - } - - /// @brief Destruct the socket. - socketcan_t::~socketcan_t() - { - if(socket_ != INVALID_SOCKET) - ::close(socket_); - } - - /// @brief Test if socket is valid. - /// @return true if valid, false otherwise. - socketcan_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 socketcan_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 socketcan_t::close() - { - return socket_ != INVALID_SOCKET ? ::close(socket_) : 0; - } - - /// @brief Set socket option. - /// @return 0 if success. - int socketcan_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 socketcan_t::bind(const struct sockaddr* addr, socklen_t len) - { - return socket_ != INVALID_SOCKET ? ::bind(socket_, addr, len) : 0; - } - - /// @brief Connect the socket. - /// @return 0 if success. - int socketcan_t::connect(const struct sockaddr* addr, socklen_t len) - { - return socket_ != INVALID_SOCKET ? ::connect(socket_, addr, len) : 0; - } - - /// @brief Get the file descriptor. - /// @return The socket's file descriptor - int socketcan_t::socket() const - { - return socket_; - } - - /// @brief Open a raw socket CAN. - /// @param[in] device_name is the kernel network device name of the CAN interface. - /// - /// @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 socketcan_t::open(std::string device_name) - { - close(); - - struct ifreq ifr; - socket_ = ::socket(PF_CAN, SOCK_DGRAM, CAN_BCM); - - // Attempts to open a socket to CAN bus - ::strcpy(ifr.ifr_name, device_name.c_str()); - DEBUG(binder_interface, "%s: ifr_name is : %s", __FUNCTION__, ifr.ifr_name); - if(::ioctl(socket_, SIOCGIFINDEX, &ifr) < 0) - { - ERROR(binder_interface, "%s: ioctl failed. Error was : %s", __FUNCTION__, strerror(errno)); - close(); - } - else - { - txAddress_.can_family = AF_CAN; - txAddress_.can_ifindex = ifr.ifr_ifindex; - - if(connect((struct sockaddr *)&txAddress_, sizeof(txAddress_)) < 0) - { - ERROR(binder_interface, "%s: Connect failed. %s", __FUNCTION__, strerror(errno)); - close(); - } - } - return socket_; - } - - /// @brief Send a CAN message through the socket. - /// - /// @param[in] f - the CAN FD frame to send - /// - /// @return number of sent bytes if message sent, 0 on invalid socket and -1 if something wrong. - ssize_t socketcan_t::send(const struct canfd_frame& f) - { - return socket_ != INVALID_SOCKET ? ::sendto(socket_, &f, sizeof(struct canfd_frame), 0, - (struct sockaddr*)&txAddress_, sizeof(txAddress_)) : 0; - } -} |