2 * Copyright (C) 2015, 2016 ,2017 "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.
18 #include "socketcan-bcm.hpp"
22 /// @brief Construct a default, invalid, socket.
23 socketcan_bcm_t::socketcan_bcm_t()
27 /// @brief Construct a socket by moving an existing one.
28 socketcan_bcm_t::socketcan_bcm_t(socketcan_bcm_t&& s)
31 s.socket_ = INVALID_SOCKET;
34 /// @brief Destruct the socket.
35 socketcan_bcm_t::~socketcan_bcm_t()
37 if(socket_ != INVALID_SOCKET)
41 /// @brief Open a raw socket CAN.
42 /// @param[in] device_name is the kernel network device name of the CAN interface.
44 /// @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.
45 int socketcan_bcm_t::open(std::string device_name)
50 socket_ = open(PF_CAN, SOCK_DGRAM, CAN_BCM);
52 // Attempts to open a socket to CAN bus
53 ::strcpy(ifr.ifr_name, device_name.c_str());
54 DEBUG(binder_interface, "%s: ifr_name is : %s", __FUNCTION__, ifr.ifr_name);
55 if(::ioctl(socket_, SIOCGIFINDEX, &ifr) < 0)
57 ERROR(binder_interface, "%s: ioctl failed. Error was : %s", __FUNCTION__, strerror(errno));
62 tx_address_.can_family = AF_CAN;
63 tx_address_.can_ifindex = ifr.ifr_ifindex;
65 if(connect((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
67 ERROR(binder_interface, "%s: Connect failed. %s", __FUNCTION__, strerror(errno));