diff options
Diffstat (limited to 'CAN-binder/low-can-binding/utils/socketcan.hpp')
-rw-r--r-- | CAN-binder/low-can-binding/utils/socketcan.hpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/CAN-binder/low-can-binding/utils/socketcan.hpp b/CAN-binder/low-can-binding/utils/socketcan.hpp new file mode 100644 index 0000000..2c79036 --- /dev/null +++ b/CAN-binder/low-can-binding/utils/socketcan.hpp @@ -0,0 +1,80 @@ +#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> +#include <linux/can/bcm.h> + +#include <vector> + +#define INVALID_SOCKET -1 + +namespace utils +{ + + template <typename T> + struct basic_bcm_msg + { + bcm_msg_head msg_head; + std::vector<T> frames; + }; + + struct canfd_bcm_msg : public basic_bcm_msg<canfd_frame> + { + canfd_bcm_msg() { msg_head.flags |= CAN_FD_FRAME; } + }; + + class socketcan_t + { + public: + socketcan_t(); + socketcan_t(const socketcan_t&) = delete; + socketcan_t(socketcan_t&&); + ~socketcan_t(); + + const struct sockaddr_can& get_tx_address() const; + explicit operator bool() const; + + int socket() const; + int open(std::string device_name); + int setopt(int level, int optname, const void* optval, socklen_t optlen); + int close(); + + private: + int socket_; + struct sockaddr_can tx_address_; + + int open(int domain, int type, int protocol); + int bind(const struct sockaddr* addr, socklen_t len); + int connect(const struct sockaddr* addr, socklen_t len); + }; + + template <typename T> + socketcan_t& operator<<(socketcan_t& s, const std::vector<T>& vobj) + { + for(const auto& obj : vobj) + s << obj; + return s; + } + + socketcan_t& operator<<(socketcan_t& s, const canfd_frame& frame); + socketcan_t& operator<<(socketcan_t& s, const can_frame& frame); + socketcan_t& operator<<(socketcan_t& s, const struct basic_bcm_msg<can_frame>& obj); + socketcan_t& operator<<(socketcan_t& s, const struct canfd_bcm_msg& obj); + socketcan_t& operator<<(socketcan_t& s, const struct bcm_msg_head& obj); +} |