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author | 2017-06-20 10:24:05 +0000 | |
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committer | 2017-06-20 10:24:05 +0000 | |
commit | 32e25cbca210a359b09768537b6f443fe90a3070 (patch) | |
tree | 3309794c15d8a8f8e9c1c08cad072ee1378813ba /low-can-binding/utils/socketcan.hpp | |
parent | 76c43dec62b2e21cd6446360c00d4fe6b437533f (diff) |
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'low-can-binding/utils/socketcan.hpp')
-rw-r--r-- | low-can-binding/utils/socketcan.hpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/low-can-binding/utils/socketcan.hpp b/low-can-binding/utils/socketcan.hpp new file mode 100644 index 0000000..82b797e --- /dev/null +++ b/low-can-binding/utils/socketcan.hpp @@ -0,0 +1,71 @@ +#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 <vector> + +#include <sys/socket.h> +#include <linux/can/bcm.h> +#include <string.h> + +#include "../binding/low-can-hat.hpp" + +#define INVALID_SOCKET -1 + +namespace utils +{ + class socketcan_t + { + public: + socketcan_t(); + socketcan_t(const socketcan_t& s) = delete; + socketcan_t(socketcan_t&&); + socketcan_t& operator=(const socketcan_t& s); + virtual ~socketcan_t(); + + const struct sockaddr_can& get_tx_address() const; + explicit operator bool() const; + + int socket() const; + virtual int open(std::string device_name) = 0; + int setopt(int level, int optname, const void* optval, socklen_t optlen); + int close(); + + protected: + int socket_; + struct sockaddr_can tx_address_; + + int open(int domain, int type, int protocol); + }; + + template <typename T> + socketcan_t& operator<<(socketcan_t& s, const std::vector<T>& vobj) + { + for(const auto& obj : vobj) + s << obj; + return s; + } + + template <typename T> + socketcan_t& operator<<(socketcan_t& s, const T& obj) + { + if (::sendto(s.socket(), &obj, sizeof(obj), 0, (const struct sockaddr*)&s.get_tx_address(), sizeof(s.get_tx_address())) < 0) + ERROR("Error sending : %i %s", errno, ::strerror(errno)); + return s; + } +} |