Minor changes

- MaxMsgNum configuration parameter now defaults to 0 (no message cap)
- The sensor hierarchy string is now logged at startup
- A rebuild of the SensorNavigator is now triggered only at plugin
reloads over the REST API

src/Configuration.cpp

@@ -31,7 +31,7 @@ Configuration::Configuration(const std::string& cfgFilePath) :
 	_global.brokerHost = "";
 	_global.brokerPort = 1883;
 	_global.threads	   = 1;
-	_global.maxMsgNum  = 100;
+	_global.maxMsgNum  = 0;
 	_global.maxInflightMsgNum = 20;
 	_global.maxQueuedMsgNum = 0;
 	_global.logLevelFile = boost::log::trivial::trace;

src/HttpsServer.cpp

@@ -371,19 +371,21 @@ void HttpsServer::requestHandler::operator()(server::request const &request, ser
 				goto error;
 			}
 
-			//Updating the SensorNavigator on plugin changes
-			QueryEngine &qEngine = QueryEngine::getInstance();
-			std::shared_ptr <SensorNavigator> navigator = std::make_shared<SensorNavigator>();
-			vector <std::string> names, topics;
-			for (const auto &p : _httpsServer._plugins)
-				for (const auto &g : p.configurator->getSensorGroups())
-					for (const auto &s : g->getSensors()) {
-						names.push_back(s->getName());
-						topics.push_back(s->getMqtt());
-					}
-			navigator->buildTree(qEngine.getSensorHierarchy(), &names, &topics);
-			qEngine.setNavigator(navigator);
-			qEngine.triggerUpdate();
+			//Updating the SensorNavigator on plugin reloads
+			if(action == "reload") {
+				QueryEngine &qEngine = QueryEngine::getInstance();
+				std::shared_ptr <SensorNavigator> navigator = std::make_shared<SensorNavigator>();
+				vector <std::string> names, topics;
+				for (const auto &p : _httpsServer._plugins)
+					for (const auto &g : p.configurator->getSensorGroups())
+						for (const auto &s : g->getSensors()) {
+							names.push_back(s->getName());
+							topics.push_back(s->getMqtt());
+						}
+				navigator->buildTree(qEngine.getSensorHierarchy(), &names, &topics);
+				qEngine.setNavigator(navigator);
+				qEngine.triggerUpdate();
+			}
 		}
 	}
 

src/dcdbpusher.cpp

@@ -329,6 +329,7 @@ int main(int argc, char** argv) {
 	LOG(info) << "  MQTT-QoS:    " << globalSettings.qosLevel;
 	LOG(info) << "  MQTT-prefix: " << pluginSettings.mqttPrefix;
 	LOG(info) << "  Write-Dir:   " << pluginSettings.tempdir;
+	LOG(info) << "  Hierarchy:   " << globalSettings.hierarchy;
 	LOG(info) << "  CacheInterval: " << pluginSettings.cacheInterval / 1000 << " [s]";
 	if(globalSettings.validateConfig) {
         LOG(info) << "  Only validating config files.";