X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Flow-can-binding.cpp;h=d1c9ae071f0fe778fa4d5de8f4664c06e5e70a79;hb=400c8017121c878c98a6ece6cdf22b1288d628f1;hp=a2b54567a1ff32500e57bb30293c12255807ca55;hpb=065a5bdef8c37f8b0466f63e48443dab31e86431;p=apps%2Fagl-service-can-low-level.git

diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp
index a2b54567..d1c9ae07 100644
--- a/src/low-can-binding.cpp
+++ b/src/low-can-binding.cpp
@@ -22,6 +22,7 @@
 #include <mutex>
 #include <vector>
 #include <thread>
+#include <time.h>
 #include <linux/can.h>
 #include <json-c/json.h>
 #include <systemd/sd-event.h>
@@ -33,6 +34,7 @@
 #include "can/can-message.hpp"
 #include "utils/timer.hpp"
 #include "utils/signals.hpp"
+#include "obd2/obd2-signals.hpp"
 #include "utils/openxc-utils.hpp"
 
 extern "C"
@@ -72,6 +74,44 @@ static int create_event_handle(const std::string& sig_name, std::map<std::string
 	return 1;
 }
 
+static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig, DiagnosticRequest* diag_req, int frequency)
+{
+	int ret;
+	sd_event_source *source;
+
+	std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex());
+	std::map<std::string, struct afb_event>& s = get_subscribed_signals();
+	if (s.find(sig) != s.end() && !afb_event_is_valid(s[sig]))
+	{
+		if(!subscribe)
+		{
+			NOTICE(binder_interface, "Event isn't valid, it can't be unsubscribed.");
+			ret = -1;
+		}
+		else
+		{
+			/* Event it isn't valid anymore, recreate it */
+			sd_event_add_time(afb_daemon_get_event_loop(binder_interface->daemon), &source, CLOCK_MONOTONIC, frequency, 0,
+						configuration_t::instance().get_diagnostic_manager().send_request, diag_req);
+			ret = create_event_handle(sig, s);
+		}
+	}
+	else
+	{
+		/* Event doesn't exist , so let's create it */
+		struct afb_event empty_event = {nullptr, nullptr};
+		subscribed_signals[sig] = empty_event;
+		ret = create_event_handle(sig, s);
+	}
+
+	/* Check whether or not the event handler has been correctly created and
+	 * make the subscription/unsubscription operation is so.
+	 */
+	if (ret <= 0)
+		return ret;
+	return make_subscription_unsubscription(request, sig, s, subscribe);
+}
+
 static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig)
 {
 	int ret;
@@ -120,11 +160,30 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe,
 static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector<std::string>& signals)
 {
 	int rets = 0;
+	//TODO: Implement way to dynamically call the right function no matter 
+	// how much signals types we have.
+	const std::string& can_prefix = configuration_t::instance().get_can_signals().front().get_prefix();
+	const std::string& obd2_prefix = configuration_t::instance().get_obd2_signals().front().get_prefix();
 
-	for(auto& sig : signals)
+	for(const std::string& sig : signals)
 	{
-		//if (sig.find_first_of())
-		int ret = subscribe_unsubscribe_signal(request, subscribe, sig);
+		int ret;
+		if (sig.find_first_of(can_prefix.c_str(), 0, can_prefix.size()))
+			ret = subscribe_unsubscribe_signal(request, subscribe, sig);
+		else if (sig.find_first_of(obd2_prefix.c_str(), 0, obd2_prefix.size()))
+		{
+			std::vector<obd2_signal_t*> found;
+			configuration_t::instance().find_obd2_signals(build_DynamicField(sig), found);
+			int frequency = found.front()->get_frequency();
+			DiagnosticRequest* diag_req = new DiagnosticRequest(found.front()->build_diagnostic_request());
+			configuration_t::instance().get_diagnostic_manager().add_recurring_request(
+				diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, nullptr, (float)frequency);
+				//TODO: Adding callback requesting ignition status:	diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, obd2_signal_t::check_ignition_status, frequency);
+			ret = subscribe_unsubscribe_signal(request, subscribe, sig, diag_req,frequency);
+		}
+		else
+			ret = -1;
+
 		if(ret <= 0)
 			return ret;
 		rets++;
@@ -223,13 +282,17 @@ extern "C"
 	{
 		can_bus_t& can_bus_manager = configuration_t::instance().get_can_bus_manager();
 
-		/* Open CAN socket */
+		/// Initialize CAN socket
 		if(can_bus_manager.init_can_dev() == 0)
 		{
 			can_bus_manager.start_threads();
 			return 0;
 		}
 
+		/// Initialize Diagnostic manager that will handle obd2 requests
+		diagnostic_manager_t& diag_manager = configuration_t::instance().get_diagnostic_manager();
+		diag_manager.initialize(can_bus_manager.get_can_devices().front());
+
 		ERROR(binder_interface, "There was something wrong with CAN device Initialization. Check your config file maybe");
 		return 1;
 	}