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Diffstat (limited to 'low-can-binding/utils/socketcan-j1939.cpp')
| -rw-r--r-- | low-can-binding/utils/socketcan-j1939.cpp | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/low-can-binding/utils/socketcan-j1939.cpp b/low-can-binding/utils/socketcan-j1939.cpp deleted file mode 100644 index a7938d61..00000000 --- a/low-can-binding/utils/socketcan-j1939.cpp +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (C) 2018, 2019 "IoT.bzh" - * Author "Arthur Guyader" <arthur.guyader@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 <net/if.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include "./socketcan-j1939.hpp" -#include "../binding/application.hpp" - -namespace utils -{ - /// @brief Connect the socket. - /// @return 0 if success. - int socketcan_j1939_t::connect(const struct sockaddr* addr, socklen_t len) - { - return socket_ != INVALID_SOCKET ? ::connect(socket_, addr, len) : 0; - } - - /// @brief Bind the socket. - /// @return 0 if success. - int socketcan_j1939_t::bind(const struct sockaddr* addr, socklen_t len) - { - return socket_ != INVALID_SOCKET ? ::bind(socket_, addr, len) : 0; - } - - void socketcan_j1939_t::filter(name_t name, pgn_t pgn, uint8_t addr, uint64_t name_mask, uint32_t pgn_mask, uint8_t addr_mask) - { - int filter_on = 0; - struct j1939_filter filter; - memset(&filter, 0, sizeof(filter)); - if (name) - { - filter.name = name; - if(name_mask) - { - filter.name_mask = name_mask; - } else - { - filter.name_mask = ~0ULL; - } - ++filter_on; - } - - if (addr < 0xff) - { - filter.addr = addr; - if(addr_mask) - { - filter.addr_mask = addr_mask; - } else - { - filter.addr_mask = ~0; - } - ++filter_on; - } - if (pgn <= J1939_PGN_MAX) - { - filter.pgn = pgn; - if(pgn_mask) - { - filter.pgn_mask = pgn_mask; - } else - { - filter.pgn_mask = ~0; - } - ++filter_on; - } - if(filter_on) - { - setopt(SOL_CAN_J1939, SO_J1939_FILTER, &filter, sizeof(filter)); - } - } - - int socketcan_j1939_t::open(std::string device_name) - { - return open(device_name,0,0,0); - } - - int socketcan_j1939_t::open(std::string device_name, name_t name, pgn_t pgn, uint8_t addr) - { - - struct ifreq ifr; - socket_ = socketcan_t::open(PF_CAN, SOCK_DGRAM, CAN_J1939); - - // Attempts to open a socket to CAN bus - ::strcpy(ifr.ifr_name, device_name.c_str()); - AFB_DEBUG("ifr_name is : %s", ifr.ifr_name); - if(::ioctl(socket_, SIOCGIFINDEX, &ifr) < 0) - { - AFB_ERROR("ioctl failed. Error was : %s", strerror(errno)); - close(); - } - else - { - tx_address_.can_family = AF_CAN; - tx_address_.can_ifindex = ifr.ifr_ifindex; - - if(addr <= 0 || addr >= UINT8_MAX ) - { - tx_address_.can_addr.j1939.addr = J1939_NO_ADDR; - } - else - { - tx_address_.can_addr.j1939.addr = addr; - } - - if(name <= 0 || name >= UINT64_MAX ) - { - tx_address_.can_addr.j1939.name = J1939_NO_NAME; - } - else - { - tx_address_.can_addr.j1939.name = name; - } - - if(pgn <= 0 || pgn > J1939_PGN_MAX) - { - tx_address_.can_addr.j1939.pgn = J1939_NO_PGN; - } - else - { - tx_address_.can_addr.j1939.pgn = pgn; - } - - if(bind((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0) - { - AFB_ERROR("Bind failed. %s", strerror(errno)); - close(); - } - else - { - int promisc = 1; // 0 = disabled (default), 1 = enabled - setopt(SOL_CAN_J1939, SO_J1939_PROMISC, &promisc, sizeof(promisc)); - int recv_own_msgs = 1; // 0 = disabled (default), 1 = enabled - setopt(SOL_CAN_J1939, SO_J1939_RECV_OWN, &recv_own_msgs, sizeof(recv_own_msgs)); - if(tx_address_.can_addr.j1939.pgn != J1939_NO_PGN) - { - filter(J1939_NO_NAME,tx_address_.can_addr.j1939.pgn,J1939_NO_ADDR); - } - } - } - return socket_; - } - - std::shared_ptr<message_t> socketcan_j1939_t::read_message() - { - std::shared_ptr<j1939_message_t> jm = std::make_shared<j1939_message_t>(); - uint8_t data[128] = {0}; - - struct sockaddr_can addr; - socklen_t addrlen = sizeof(addr); - struct ifreq ifr; - - ssize_t nbytes = ::recvfrom(socket(), &data, sizeof(data), 0, (struct sockaddr*)&addr, &addrlen); - ifr.ifr_ifindex = get_tx_address().can_ifindex; - ioctl(socket(), SIOCGIFNAME, &ifr); - - AFB_DEBUG("Data available: %i bytes read", (int)nbytes); - /*AFB_DEBUG("read: Found on bus %s:\n id: %X, length: %X, data %02X%02X%02X%02X%02X%02X%02X%02X", ifr.ifr_name, frame.can_id, frame.len, - data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);*/ - - struct timeval tv; - ioctl(socket(), SIOCGSTAMP, &tv); - uint64_t timestamp = 1000000 * tv.tv_sec + tv.tv_usec; - jm = j1939_message_t::convert_from_addr(addr, data , nbytes, timestamp); - jm->set_sub_id((int)socket()); - return jm; - } - - - void socketcan_j1939_t::write_message(std::vector<std::shared_ptr<message_t>>& vobj) - { - AFB_WARNING("Not implemented"); - } - - void socketcan_j1939_t::write_message(std::shared_ptr<message_t> cm) - { - AFB_WARNING("Not implemented"); - } - -} |