Diagnostic messages subscription simplified.

Remove useless function.

Change-Id: I6638c3033cfeea643b29c1280d7f5785371cd342
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

3 files changed, 20 insertions, 26 deletions

diff --git a/CAN-binder/low-can-binding/configuration.cpp b/CAN-binder/low-can-binding/configuration.cpp
index 8a50cbc..a94809f 100644
--- a/CAN-binder/low-can-binding/configuration.cpp
+++ b/CAN-binder/low-can-binding/configuration.cpp
@@ -87,6 +87,24 @@ void configuration_t::set_active_message_set(uint8_t id)
 	active_message_set_ = id;
 }
 
+
+diagnostic_message_t* configuration_t::get_diagnostic_message(std::string message_name) const
+{
+	std::vector<diagnostic_message_t*> found;
+	configuration_t::instance().find_diagnostic_messages(build_DynamicField(message_name), found);
+	if(! found.empty())
+		return found.front();
+	return nullptr;
+}
+
+DiagnosticRequest* configuration_t::get_request_from_diagnostic_message(std::string message_name) const
+{
+	diagnostic_message_t* diag_msg = get_diagnostic_message(message_name);
+	if( diag_msg != nullptr && diag_msg->get_supported())
+		return new DiagnosticRequest(diag_msg->build_diagnostic_request());
+	return nullptr;
+}
+
 /// @brief return diagnostic messages name found searching through diagnostic messages list.
 ///
 /// @param[in] key - can contain numeric or string value in order to search against
@@ -110,28 +128,6 @@ void configuration_t::find_diagnostic_messages(const openxc_DynamicField &key, s
 	DEBUG(binder_interface, "find_diagnostic_messages: Found %d signal(s)", (int)found_signals.size());
 }
 
-diagnostic_message_t* configuration_t::get_diagnostic_message(std::string message_name) const
-{
-	std::vector<diagnostic_message_t*> found;
-	configuration_t::instance().find_diagnostic_messages(build_DynamicField(message_name), found);
-	if(! found.empty())
-		return found.front();
-	return nullptr;
-}
-
-DiagnosticRequest* configuration_t::get_request_from_diagnostic_message(diagnostic_message_t* diag_msg) const
-{
-	return new DiagnosticRequest(diag_msg->build_diagnostic_request());
-}
-
-DiagnosticRequest* configuration_t::get_request_from_diagnostic_message(std::string message_name) const
-{
-	diagnostic_message_t* diag_msg = get_diagnostic_message(message_name);
-	if( diag_msg != nullptr)
-		return new DiagnosticRequest(diag_msg->build_diagnostic_request());
-	return nullptr;
-}
-
 /// @brief return signals name found searching through CAN signals list.
 ///
 /// @param[in] key - can contain numeric or string value in order to search against
diff --git a/CAN-binder/low-can-binding/configuration.hpp b/CAN-binder/low-can-binding/configuration.hpp
index 535ab8d..cbb5ac2 100644
--- a/CAN-binder/low-can-binding/configuration.hpp
+++ b/CAN-binder/low-can-binding/configuration.hpp
@@ -86,7 +86,6 @@ class configuration_t
 
 		void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<diagnostic_message_t*>& found_signals);
 		diagnostic_message_t* get_diagnostic_message(std::string message_name) const;
-		DiagnosticRequest* get_request_from_diagnostic_message(diagnostic_message_t* diag_msg) const;
 		DiagnosticRequest* get_request_from_diagnostic_message(std::string message_name) const;
 
 		void find_can_signals(const openxc_DynamicField &key, std::vector<can_signal_t*>& found_signals);
diff --git a/CAN-binder/low-can-binding/low-can-binding.cpp b/CAN-binder/low-can-binding/low-can-binding.cpp
index 07b3f1e..6f361af 100644
--- a/CAN-binder/low-can-binding/low-can-binding.cpp
+++ b/CAN-binder/low-can-binding/low-can-binding.cpp
@@ -141,13 +141,12 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe,
 		int ret;
 		if (active_diagnostic_request_t::is_diagnostic_signal(sig))
 		{
-			diagnostic_message_t* diag_msg = configuration_t::instance().get_diagnostic_message(sig);
-			DiagnosticRequest* diag_req = configuration_t::instance().get_request_from_diagnostic_message(diag_msg);
+			DiagnosticRequest* diag_req = configuration_t::instance().get_request_from_diagnostic_message(sig);
 
 			// If the requested diagnostic message isn't supported by the car then unssubcribe.
 			// no matter what we want, worse case will be a fail unsubscription but at least we don't
 			// poll a PID for nothing.
-			if(diag_msg->get_supported() && subscribe)
+			if(diag_req != nullptr && subscribe)
 			{
 					float frequency = diag_msg->get_frequency();
 					subscribe = configuration_t::instance().get_diagnostic_manager().add_recurring_request(