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authorRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
committerRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
commit32e25cbca210a359b09768537b6f443fe90a3070 (patch)
tree3309794c15d8a8f8e9c1c08cad072ee1378813ba /low-can-binding/utils/socketcan.hpp
parent76c43dec62b2e21cd6446360c00d4fe6b437533f (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')
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1 files changed, 71 insertions, 0 deletions
diff --git a/low-can-binding/utils/socketcan.hpp b/low-can-binding/utils/socketcan.hpp
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+#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;
+ }
+}