separation of can_bus_t and can_bus_dev_t and use of the new socket class.

Change-Id: I5f292ab18737fa48259f357d660fed27fb8fb4be
Signed-off-by: Loïc Collignon <loic.collignon@iot.bzh>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/can/can-bus-dev.hpp b/src/can/can-bus-dev.hpp
new file mode 100644
index 00000000..83a1b30e
--- /dev/null
+++ b/src/can/can-bus-dev.hpp
@@ -0,0 +1,60 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <string>
+#include <thread>
+#include <linux/can.h>
+
+#include "../utils/socket.hpp"
+
+class can_bus_t;
+class can_message_t;
+
+/// @brief Object representing a can device. Handle opening, closing and reading on the
+/// socket. This is the low level object to be use by can_bus_t.
+class can_bus_dev_t 
+{
+private:
+	std::string device_name_;
+	utils::socket_t can_socket_;
+
+	int32_t id_; /// < an identifier used through binding that refer to that device
+	
+	bool is_fdmode_on_; /// < boolean telling if whether or not the can socket use fdmode.
+	struct sockaddr_can txAddress_; /// < internal member using to bind to the socket
+
+	std::thread th_reading_; /// < Thread handling read the socket can device filling can_message_q_ queue of can_bus_t
+	bool is_running_; /// < boolean telling whether or not reading is running or not
+	void can_reader(can_bus_t& can_bus);
+
+public:
+	can_bus_dev_t(const std::string& dev_name);
+
+	int open();
+	int close();
+
+	void start_reading(can_bus_t& can_bus);
+
+	void stop_reading();
+
+	std::pair<struct canfd_frame&, size_t> read();
+		
+	int send_can_message(can_message_t& can_msg);
+};