FOGL-10186 : implemented --info parameter to fetch service information

C/services/dispatcher/dispatcher.cpp

@@ -54,6 +54,14 @@ static void signalHandler(int signal)
 	}
 }
 
+// Displays service information in JSON format
+static void printServiceInfoAsJSON()
+{
+	static std::string serviceInfoJSON = R"({"name":"Dispatcher Service","description":"Fledge Dispatcher Service To Send Control Messages","package":"fledge-service-dispatcher","type":"dispatcher","process_name":"dispatcher_c","process_script":"[services/dispatcher_c]"})" ;
+
+	std::cout << serviceInfoJSON << std::endl;
+}
+
 /**
  * Dispatcher service main entry point
  */
@@ -75,6 +83,11 @@ int main(int argc, char *argv[])
 
 	for (int i = 1; i < argc; i++)
 	{
+		if (!strcmp(argv[i], "--info"))
+		{
+			printServiceInfoAsJSON();
+			return 0;
+		}
 		if (!strcmp(argv[i], "-d"))
 		{
 			daemonMode = false;