fixed connection error

README.md

@@ -130,7 +130,6 @@ To autostart the sensor at boot (or restart if it crash) use systemd.
 ```bash
 $ mkdir ~/bin
 $ cp <src_path>/build/tempsensor ~/bin/
-$ cp <src_path>/systemd/start_sensor.sh ~/bin/
 $ sudo cp <src_path>/systemd/tempsensor.service /etc/systemd/system/tempsensor.service
 $ sudo systemctl enable tempsensor.service
 $ sudo systemctl start tempsensor.service

libmqtt/src/Mqtt.cpp

@@ -157,10 +157,12 @@ namespace TempSensor{
     bool Mqtt::connect() {
         bool connection_state = false;
         int ret = mosquitto_connect(mosq, mSettings.server.c_str(), mSettings.port, 30);
+        std::cerr << "Connecting to: " << mSettings.server.c_str() << "@" << mSettings.port << std::endl;
         if(ret != MOSQ_ERR_SUCCESS){
-            connection_state = true;
+            std::cerr << "Mqtt::connect: connection error: " << ret << std::endl;
         }else{
-            std::cerr << "Mqtt::connected..." << std::endl;
+            std::cerr << "Mqtt::connect connected." << std::endl;
+            connection_state = true;
             isConnected = true;
         }
 

libsensor/src/MqttClient.cpp

@@ -32,7 +32,6 @@ void TempSensor::MqttClient::notify(const std::string &data) {
 
 void TempSensor::MqttClient::onConnected() {
     std::cout << "Mqtt Connected..." << std::endl;
-
     notify(mPendingData); //make sure to send pending data asap we get connection
 }
 

main.cpp

@@ -114,9 +114,6 @@ int main(int argc, char **argv){
     if(history_topic != "N/A") {
         std::thread historyThread = postHistoryTask.thread_run([&mqtt, &dbManager, &history_topic]() {
             dbManager.getHistory(Serialize::historyQuery);
-#ifdef DEBUGMODE
-            std::cout << HistoryData::getInstance().getSerializeHistory() << std::endl;
-#endif
             mqtt.publish(history_topic, HistoryData::getInstance().getSerializeHistory(), 2);
             HistoryData::getInstance().clear();
         });