public void Dispose() { AppLogger.Message("MicrowaveControlService2.Dispose"); if (scanner != null) { scanner.ScanCompleted -= new EventHandler <ScanCompleteEvent>(scanner_ScanCompleted); scanner.CancelScan(); scanner = null; } if (microwaveReceiver != null) { microwaveReceiver.StopPollingLinkQuality(); microwaveReceiver.Dispose(); microwaveReceiver = null; } if (resourceAcquired) { try { ResourceManager.Release(clientRequest.SourceName, typeof(MicrowaveControlService), clientRequest.UserName); } catch (Exception ex) { AppLogger.Dump(ex); } } if (frequencyPresets != null) { PersistPresets(); } }
/// <summary> /// Opens the microwave control service /// </summary> /// <param name="sourceName">source name to open</param> public void Open(ClientConnectRequest request) { try { this.clientRequest = request; AppLogger.Message(request.UserName + " MicrowaveControlService.Open " + request.SourceName); if (!ResourceManager.Acquire <ResourceManager.MutexRule>(request.SourceName, typeof(MicrowaveControlService), request.UserName)) { string owner = ResourceManager.GetOwner(request.SourceName, typeof(MicrowaveControlService)); throw new SourceHasMaxClientsException("The microwave receiver is in use by " + ((owner == null) ? "<unknown>" : owner) + "."); } resourceAcquired = true; StreamSourceInfo sourceConfig = StreamSources.LoadFromFile().FindSource(request.SourceName); if (sourceConfig.MicrowaveControl == null) { throw new SourceConfigException("Source does not have MicrowaveControl section defined!"); } microwaveConfig = sourceConfig.MicrowaveControl; //get client callback clientCallback = OperationContext.Current.GetCallbackChannel <IMicrowaveControl2Callback>(); //create microwave receiver instance microwaveReceiver = MicrowaveControlService2.CreateInstance(microwaveConfig); if (!microwaveReceiver.Connected) { throw new SourceConfigException("Communication with the microwave receiver could not be established."); } microwaveReceiver.ReceiverTuningChange += new EventHandler <MicrowaveReceiver.ReceiverEventArgs>(microwaveReceiver_ReceiverTuningChange); microwaveReceiver.ReceiverLinkQualityChange += new EventHandler <MicrowaveReceiver.ReceiverEventArgs>(microwaveReceiver_ReceiverLinkQualityChange); microwaveReceiver.ReceiverConnectionChange += new EventHandler(microwaveReceiver_ReceiverConnectionChange); scanner = new PeakScan(microwaveReceiver); scanner.ScanCompleted += new EventHandler <ScanCompleteEvent>(scanner_ScanCompleted); //load cached presets LoadSavedPresets(); microwaveReceiver.StartPollingLinkQuality(); } catch (Exception exc) { AppLogger.Dump(exc); throw; } }