Separation between hat and callback binding parts

As well as handling reading signals BCM socket using systemd event loop.

Change-Id: I1e121635ec5db489b2bcb88a3101e716bf8883d5
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 86 insertions, 0 deletions

diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.cpp b/CAN-binder/low-can-binding/binding/low-can-hat.cpp
new file mode 100644
index 0000000..b115a96
--- /dev/null
+++ b/CAN-binder/low-can-binding/binding/low-can-hat.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ * Author "Loic 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 "low-can-hat.hpp"
+
+#include <map>
+#include <queue>
+#include <mutex>
+#include <vector>
+#include <json-c/json.h>
+
+#include "configuration.hpp"
+#include "../can/can-bus.hpp"
+
+extern "C"
+{
+	#include <afb/afb-service-itf.h>
+};
+
+// Interface between the daemon and the binding
+const struct afb_binding_interface *binder_interface;
+
+extern "C"
+{
+	static const struct afb_verb_desc_v1 verbs[]=
+	{
+		{ .name= "subscribe",	.session= AFB_SESSION_NONE, .callback= subscribe,	.info= "subscribe to notification of CAN bus messages." },
+		{ .name= "unsubscribe",	.session= AFB_SESSION_NONE, .callback= unsubscribe,	.info= "unsubscribe a previous subscription." }
+	};
+
+	static const struct afb_binding binding_desc {
+		AFB_BINDING_VERSION_1,
+		{
+			"Low level CAN bus service",
+			"low-can",
+			verbs
+		}
+	};
+
+	const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
+	{
+		binder_interface = itf;
+
+		return &binding_desc;
+	}
+
+	/// @brief Initialize the binding.
+	///
+	/// @param[in] service Structure which represent the Application Framework Binder.
+	///
+	/// @return Exit code, zero if success.
+	int afbBindingV1ServiceInit(struct afb_service service)
+	{
+		can_bus_t& can_bus_manager = configuration_t::instance().get_can_bus_manager();
+
+		/// Initialize CAN socket
+		if(can_bus_manager.init_can_dev() == 0)
+		{
+			can_bus_manager.start_threads();
+
+			/// Initialize Diagnostic manager that will handle obd2 requests.
+			/// We pass by default the first CAN bus device to its Initialization.
+			/// TODO: be able to choose the CAN bus device that will be use as Diagnostic bus.
+			if(configuration_t::instance().get_diagnostic_manager().initialize())
+				return 0;
+		}
+
+		ERROR(binder_interface, "%s: There was something wrong with CAN device Initialization. Check your config file maybe", __FUNCTION__);
+		return 1;
+	}
+};