/// <summary>
/// Starts listening to the WAS.
/// <exception cref="InvalidOperationException">Thrown when the WAS listener is running.</exception>
/// <exception cref="InvalidOperationException">Thrown when the reconnect process is currently running.</exception>
/// <exception cref="AicException">If the ping to the WAS failed.</exception>
/// </summary>
public void StartWasListening()
{
lock (this.mLockerObject)
{
if (this.IsWasListenerRunning)
{
this.mLogger.LogError("WAS listener is already running", ErrorType.ListeningManager_WasListenerAlreadyRunning);
throw new InvalidOperationException("WAS listener is already running");
}
if (this.mIsWasReconnectRunning)
{
this.mLogger.LogError("The WAS reconnect process is currently running", ErrorType.ListeningManager_WasReconnectCurrentlyRunning);
throw new InvalidOperationException("The WAS reconnect process is currently running");
}
// Check if the WAS can be pinged
if (!Network.PingAddress(AicSettings.Global.WasIp))
{
this.mLogger.LogWarning("WAS can't be pinged", WarningType.ListeningManager_CantPingWas);
throw new AicException("WAS can't be pinged", AicExceptionType.ListeningManager_CantPingWas);
}
try
{
// isShutdown: True if the broken connection is forced (due to shutdown)
this.mWasListener.WasConnectionStateChanged += delegate(bool connected, bool isShutdown)
{
this.mLogger.LogInformation(string.Format("WAS connection-state changed (Connected: {0} - Shutdown: {1})", connected, isShutdown), InformationType.ListeningManager_WasConnectionStateChanged);
lock (this.mLockerObject)
{
this.mIsWasListenerRunning = connected;
if (this.WasConnectionStateChanged != null)
{
this.WasConnectionStateChanged(connected);
}
if (MessageReceived != null)
{
var aicMessage = new AicMessage {
Alarms = mAlarmState.Alarms, ConnectionWasToServerOk = connected
};
var args = new MessageReceivedEventArgs(aicMessage);
MessageReceived(null, args);
}
if (!connected && !isShutdown)
{
// Broken connection (not forced)
this.mLogger.LogWarning("WAS connection got broken", WarningType.ListeningManager_BrokenWasConnection);
this.TryWASReconnect();
}
}
if (this.mClientListener != null)
{
// Push new state of the backend to the clients
this.mClientListener.PushNewState();
}
};
this.mWasListener.WasObjectChanged += delegate(WasObject obj)
{
this.mLogger.LogInformation("New WAS-Data available", InformationType.ListeningManager_NewWasDataAvailable);
this.mAlarmState.UpdateAlarmObject(obj);
if (this.AlarmsChanged != null)
{
this.AlarmsChanged(this.mAlarmState.Alarms);
}
if (MessageReceived != null)
{
var aicMessage = new AicMessage {
Alarms = mAlarmState.Alarms, ConnectionWasToServerOk = true
};
var args = new MessageReceivedEventArgs(aicMessage);
MessageReceived(null, args);
}
if (AicSettings.Global.UploadEnabled)
{
this.mAlarmState.Alarms.ForEach(alarm =>
AlarmSend.SendAsync(AicSettings.Global.UploadUrl, alarm, (id, ex) => { this.mLogger.LogError("Error while uploading alarm (ID:" + id + ")!", ex); }));
}
if (this.mClientListener != null)
{
this.mClientListener.PushNewState();
}
};
this.mWasListener.StartListening();
this.mIsWasListenerRunning = true;
}
catch (Exception ex)
{
this.mLogger.LogError("(ListeningManager/StartWasListening/Exception)", ErrorType.Undefined, ex);
throw ex;
}
}
}
