Simplify processing event

Set afb_event into subscription object then there is no more
std::pair used t access it, better use a method from
low_can_subscription_t class

Change-Id: Ic0772d97c18ca8899821cf3ce175166bbe0be660
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

5 files changed, 36 insertions, 23 deletions

diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.cpp b/CAN-binder/low-can-binding/binding/low-can-cb.cpp
index 5f245463..6504acf7 100644
--- a/CAN-binder/low-can-binding/binding/low-can-cb.cpp
+++ b/CAN-binder/low-can-binding/binding/low-can-cb.cpp
@@ -80,6 +80,11 @@ low_can_subscription_t::operator bool() const
 	return socket_.socket() != INVALID_SOCKET;
 }
 
+struct afb_event& low_can_subscription_t::get_event()
+{
+	return event_;
+}
+
 int low_can_subscription_t::get_index() const
 {
 	return index_;
@@ -120,6 +125,11 @@ utils::socketcan_bcm_t& low_can_subscription_t::get_socket()
 	return socket_;
 }
 
+void low_can_subscription_t::set_event(struct afb_event event)
+{
+	event_ = event;
+}
+
 void low_can_subscription_t::set_frequency(float freq)
 {
 	event_filter_.frequency = freq;
@@ -266,10 +276,10 @@ int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata)
 ///
 ///*******************************************************************************/
 
-static int make_subscription_unsubscription(struct afb_req request, std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s, bool subscribe)
+static int make_subscription_unsubscription(struct afb_req request, std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::shared_ptr<low_can_subscription_t> >& s, bool subscribe)
 {
 	/* Make the subscription or unsubscription to the event */
-	if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()].second)) < 0)
+	if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()]->get_event())) < 0)
 	{
 		ERROR(binder_interface, "%s: Operation goes wrong for signal: %s", __FUNCTION__, can_subscription->get_name().c_str());
 		return -1;
@@ -277,12 +287,12 @@ static int make_subscription_unsubscription(struct afb_req request, std::shared_
 	return 0;
 }
 
-static int create_event_handle(std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s)
+static int create_event_handle(std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
 {
 	int sub_index = can_subscription->get_index();
-	struct afb_event event = afb_daemon_make_event(binder_interface->daemon, can_subscription->get_name().c_str());
-	s[sub_index] = std::make_pair(can_subscription, event);
-	if (!afb_event_is_valid(s[sub_index].second))
+	can_subscription->set_event(afb_daemon_make_event(binder_interface->daemon, can_subscription->get_name().c_str()));
+	s[sub_index] = can_subscription;
+	if (!afb_event_is_valid(s[sub_index]->get_event()))
 	{
 		ERROR(binder_interface, "%s: Can't create an event for %s, something goes wrong.", __FUNCTION__, can_subscription->get_name().c_str());
 		return -1;
@@ -300,10 +310,10 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe,
 	utils::signals_manager_t& sm = utils::signals_manager_t::instance();
 
 	std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
-	std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
+	std::map<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
 	if (can_subscription && s.find(sub_index) != s.end())
 	{
-		if (!afb_event_is_valid(s[sub_index].second) && !subscribe)
+		if (!afb_event_is_valid(s[sub_index]->get_event()) && !subscribe)
 		{
 			NOTICE(binder_interface, "%s: Event isn't valid, no need to unsubscribed.", __FUNCTION__);
 			ret = -1;
@@ -317,8 +327,8 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe,
 	else
 	{
 		/* Event doesn't exist , so let's create it */
-		struct afb_event empty_event = {nullptr, nullptr};
-		s[sub_index] = std::make_pair(can_subscription, empty_event);
+		can_subscription->set_event({nullptr, nullptr});
+		s[sub_index] = can_subscription;
 		ret = create_event_handle(can_subscription, s);
 	}
 
diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.hpp b/CAN-binder/low-can-binding/binding/low-can-cb.hpp
index 0f276fb7..ad3f74fe 100644
--- a/CAN-binder/low-can-binding/binding/low-can-cb.hpp
+++ b/CAN-binder/low-can-binding/binding/low-can-cb.hpp
@@ -37,6 +37,7 @@ class low_can_subscription_t
 {
 private:
 	int index_;
+	struct afb_event event_;
 
 	/// Signal part
 	std::shared_ptr<can_signal_t> can_signal_;
@@ -57,6 +58,7 @@ public:
 	explicit operator bool() const;
 
 	int get_index() const;
+	struct afb_event& get_event();
 	const std::shared_ptr<can_signal_t> get_can_signal() const;
 	const std::string get_name() const;
 	float get_frequency() const;
@@ -64,6 +66,7 @@ public:
 	float get_max() const;
 	utils::socketcan_bcm_t& get_socket();
 
+	void set_event(struct afb_event event);
 	void set_frequency(float freq);
 	void set_min(float min);
 	void set_max(float max);
diff --git a/CAN-binder/low-can-binding/can/can-bus.cpp b/CAN-binder/low-can-binding/can/can-bus.cpp
index 65e2acd1..56cde475 100644
--- a/CAN-binder/low-can-binding/can/can-bus.cpp
+++ b/CAN-binder/low-can-binding/can/can-bus.cpp
@@ -74,12 +74,12 @@ void can_bus_t::process_can_signals(const can_message_t& can_message)
 
 	{
 		std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
-		std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
+		std::map<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
 
 		// First we have to found which can_signal_t it is
-		std::shared_ptr<low_can_subscription_t> sig = s[subscription_id].first;
+		std::shared_ptr<low_can_subscription_t> sig = s[subscription_id];
 
-		if( s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id].second))
+		if( s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id]->get_event()))
 		{
 			bool send = true;
 			decoded_message = decoder_t::translateSignal(*sig->get_can_signal(), can_message, conf.get_all_can_signals(), &send);
@@ -112,17 +112,17 @@ void can_bus_t::process_diagnostic_signals(diagnostic_manager_t& manager, const
 
 	{
 		std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
-		std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
+		std::map<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
 
 		openxc_VehicleMessage vehicle_message = manager.find_and_decode_adr(can_message);
 		if( (vehicle_message.has_simple_message && vehicle_message.simple_message.has_name) &&
-			s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id].second))
+			s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id]->get_event()))
 		{
-			if (apply_filter(vehicle_message, s[subscription_id].first))
+			if (apply_filter(vehicle_message, s[subscription_id]))
 			{
 				std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
 				push_new_vehicle_message(subscription_id, vehicle_message);
-				DEBUG(binder_interface, "%s: %s CAN signals processed.", __FUNCTION__,  s[subscription_id].first->get_name().c_str());
+				DEBUG(binder_interface, "%s: %s CAN signals processed.", __FUNCTION__,  s[subscription_id]->get_name().c_str());
 			}
 		}
 	}
@@ -180,12 +180,12 @@ void can_bus_t::can_event_push()
 			s_message = get_simple_message(v_message.second);
 			{
 				std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
-				std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
-				if(s.find(v_message.first) != s.end() && afb_event_is_valid(s[v_message.first].second))
+				std::map<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
+				if(s.find(v_message.first) != s.end() && afb_event_is_valid(s[v_message.first]->get_event()))
 				{
 					jo = json_object_new_object();
 					jsonify_simple(s_message, jo);
-					if(afb_event_push(s[v_message.first].second, jo) == 0)
+					if(afb_event_push(s[v_message.first]->get_event(), jo) == 0)
 						on_no_clients(std::string(s_message.name));
 				}
 			}
diff --git a/CAN-binder/low-can-binding/utils/signals.cpp b/CAN-binder/low-can-binding/utils/signals.cpp
index 02b84054..703b8171 100644
--- a/CAN-binder/low-can-binding/utils/signals.cpp
+++ b/CAN-binder/low-can-binding/utils/signals.cpp
@@ -39,7 +39,7 @@ namespace utils
 	/// @brief return the subscribed_signals map.
 	/// 
 	/// @return Map of subscribed signals.
-	std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& signals_manager_t::get_subscribed_signals()
+	std::map<int, std::shared_ptr<low_can_subscription_t> >& signals_manager_t::get_subscribed_signals()
 	{
 		return subscribed_signals_;
 	}
diff --git a/CAN-binder/low-can-binding/utils/signals.hpp b/CAN-binder/low-can-binding/utils/signals.hpp
index 54d88938..ffabe81b 100644
--- a/CAN-binder/low-can-binding/utils/signals.hpp
+++ b/CAN-binder/low-can-binding/utils/signals.hpp
@@ -41,7 +41,7 @@ namespace utils
 	{
 	private:
 		std::mutex subscribed_signals_mutex_;
-		std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> > subscribed_signals_;
+		std::map<int, std::shared_ptr<low_can_subscription_t> > subscribed_signals_;
 
 		signals_manager_t(); ///< Private constructor to make singleton class.
 
@@ -49,7 +49,7 @@ namespace utils
 		static signals_manager_t& instance();
 
 		std::mutex& get_subscribed_signals_mutex();
-		std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& get_subscribed_signals();
+		std::map<int, std::shared_ptr<low_can_subscription_t> >& get_subscribed_signals();
 
 		struct signals_found find_signals(const openxc_DynamicField &key);
 		void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<std::shared_ptr<diagnostic_message_t> >& found_signals);