Pusher: fixes to Caliper plugin

dcdbpusher/config/caliper.conf

 global {
-	mqttPrefix	/FF112233445566778899AABB
+	mqttPrefix	/caliper
 }
 
 group cali {

dcdbpusher/includes/ConfiguratorTemplate.h

@@ -1066,7 +1066,7 @@ protected:
      */
     bool constructSensorTopics() {
         // Sensor names are adjusted according to the respective MQTT topics
-        for(auto& g: _sensorGroups)
+        for(auto& g: _sensorGroups) {
             for(auto& s: g->acquireSensors()) {
                 s->setMqtt(MQTTChecker::formatTopic(_mqttPrefix) +
                            MQTTChecker::formatTopic(g->getMqttPart()) +
@@ -1075,6 +1075,8 @@ protected:
                 if(s->getSinkPath()!="")
                     s->setSinkPath(MQTTChecker::topicToFile(s->getMqtt(), s->getSinkPath()));
             }
+            g->releaseSensors();
+        }
         return true;
     }
     ///@}

dcdbpusher/sensors/caliper/CaliperSensorGroup.cpp

@@ -132,13 +132,9 @@ void CaliperSensorGroup::read() {
     //retrieve all messages currently available at the socket
     while(true) {
         const ssize_t nrec = recv(_connection, (void *) buf, bufSize, MSG_DONTWAIT);
-#ifdef DEBUG
-        LOG(debug) << _groupName << ": Receiving message...";
-#endif
 
         //nrec==0 indicates that the connection was closed. Probably because Caliper terminated
         if (nrec == 0) {
-            //TODO clean up sensors
             close(_connection);
             _connection = -1;
             LOG(debug) << _groupName << ": Connection closed";
@@ -164,9 +160,6 @@ void CaliperSensorGroup::read() {
         reading_t reading;
         reading.value     = 1;
         reading.timestamp = std::stoull(timestamp);
-#ifdef DEBUG
-        LOG(debug) << _groupName << ": Received value " << feName << " (" << timestamp << ")";
-#endif
 
         S_Ptr s;
         auto it = _sensorIndex.find(feName);

dcdbpusher/sensors/caliper/CaliperSensorGroup.h

@@ -49,7 +49,6 @@ public:
     bool execOnStart() final override;
     void execOnStop()  final override;
 
-    //TODO spins forever ?! why !?!? probably some evil spirit does not release sensors after acquiring them
     std::vector<SBasePtr>& acquireSensors() final override {
         while (_lock.test_and_set(std::memory_order_acquire)) {}
         return _baseSensors;