//--// public GatewayService(IAsyncQueue <QueuedItem> queue, EventProcessor processor, Func <string, QueuedItem> dataTransform = null) { if (queue == null || processor == null) { throw new ArgumentException("task queue and event processor cannot be null"); } if (dataTransform != null) { _dataTransform = dataTransform; } else { _dataTransform = m => new QueuedItem { JsonData = m }; } _queue = queue; _eventProcessor = processor; }
//--// public GatewayService( IAsyncQueue<QueuedItem> queue, EventProcessor processor, Func<string, QueuedItem> dataTransform = null ) { if( queue == null || processor == null ) { throw new ArgumentException( "task queue and event processor cannot be null" ); } if( dataTransform != null ) { _dataTransform = dataTransform; } else { _dataTransform = m => new QueuedItem { JsonData = m }; } _queue = queue; _eventProcessor = processor; }
//--// public WindowsService( ILogger logger ) { if( logger == null ) { throw new ArgumentException( "Cannot run service without logging" ); } _logger = logger; if( logger is TunableLogger ) { TunableLogger.LoggingLevel loggingLevel = TunableLogger.LevelFromString( ConfigurationManager.AppSettings.Get( "LoggingLevel" ) ); ( ( TunableLogger )logger ).Level = ( loggingLevel != TunableLogger.LoggingLevel.Undefined ) ? loggingLevel : TunableLogger.LoggingLevel.Errors; } try { _THREADING.TaskScheduler.UnobservedTaskException += OnUnobservedTaskException; // Name the Windows Service ServiceName = Constants.WindowsServiceName; _gatewayQueue = new GatewayQueue<QueuedItem>( ); IotHubConfig iotHubConfig = Loader.GetIotHubConfig( ); if( iotHubConfig == null ) { _logger.LogError( "IoT Hub connection configuration is missing" ); return; } _MessageSender = new MessageSender<SensorDataContract>(iotHubConfig.IotHubConnectionString, _logger); _batchSenderThread = new BatchSenderThread<QueuedItem, SensorDataContract>( _gatewayQueue, _MessageSender, null,//m => DataTransforms.AddTimeCreated(DataTransforms.SensorDataContractFromQueuedItem(m, _Logger)), new Func<QueuedItem, string>( m => m.JsonData ), _logger ); _dataIntakeLoader = new DeviceAdapterLoader( Loader.GetSources( ), Loader.GetEndpoints( ), _logger ); TaskWrapper.Run( ( ) => IPAddressHelper.GetIPAddressString( ref _gatewayIPAddressString ) ); DataTransformsConfig dataTransformsConfig = Loader.GetDataTransformsConfig( ); if( dataTransformsConfig.AttachIP || dataTransformsConfig.AttachTime ) { Func<string, SensorDataContract> transform = ( m => DataTransforms.SensorDataContractFromString( m, _logger ) ); if( dataTransformsConfig.AttachTime ) { var transformPrev = transform; transform = ( m => DataTransforms.AddTimeCreated( transformPrev( m ) ) ); } if( dataTransformsConfig.AttachTime ) { var transformPrev = transform; transform = ( m => DataTransforms.AddIPToLocation( transformPrev( m ), _gatewayIPAddressString ) ); } _gatewayTransform = ( m => DataTransforms.QueuedItemFromSensorDataContract( transform( m ) ) ); } } catch( Exception ex ) { _logger.LogError( "Exception creating WindowsService: " + ex.Message ); } }
//--// private static void InitGateway( ILogger logger ) { if( logger == null ) { throw new ArgumentException( "Cannot run service without logging" ); } _logger = logger; if( logger is TunableLogger ) { TunableLogger.LoggingLevel loggingLevel = TunableLogger.LevelFromString( ConfigurationManager.AppSettings.Get( "LoggingLevel" ) ); ( ( TunableLogger )logger ).Level = ( loggingLevel != TunableLogger.LoggingLevel.Undefined ) ? loggingLevel : TunableLogger.LoggingLevel.Errors; } try { System.Threading.Tasks.TaskScheduler.UnobservedTaskException += OnUnobservedTaskException; // Name the Windows Service _gatewayQueue = new GatewayQueue<QueuedItem>( ); AMQPConfig amqpConfig = Loader.GetAMQPConfig( ); if( amqpConfig == null ) { _logger.LogError( "AMQP configuration is missing" ); return; } _AMPQSender = new AMQPSender<SensorDataContract>( amqpConfig.AMQPSAddress, amqpConfig.EventHubName, amqpConfig.EventHubMessageSubject, amqpConfig.EventHubDeviceId, amqpConfig.EventHubDeviceDisplayName, _logger ); _batchSenderThread = new BatchSenderThread<QueuedItem, SensorDataContract>( _gatewayQueue, _AMPQSender, null,//m => DataTransforms.AddTimeCreated(DataTransforms.SensorDataContractFromQueuedItem(m, _Logger)), new Func<QueuedItem, string>( m => m.JsonData ), _logger ); _dataIntakeLoader = new DeviceAdapterLoader( Loader.GetSources( ), Loader.GetEndpoints( ), _logger ); TaskWrapper.Run( ( ) => IPAddressHelper.GetIPAddressString( ref _gatewayIPAddressString ) ); DataTransformsConfig dataTransformsConfig = Loader.GetDataTransformsConfig( ); if( dataTransformsConfig.AttachIP || dataTransformsConfig.AttachTime ) { Func<string, SensorDataContract> transform = ( m => DataTransforms.SensorDataContractFromString( m, _logger ) ); if( dataTransformsConfig.AttachTime ) { var transformPrev = transform; transform = ( m => DataTransforms.AddTimeCreated( transformPrev( m ) ) ); } if( dataTransformsConfig.AttachTime ) { var transformPrev = transform; transform = ( m => DataTransforms.AddIPToLocation( transformPrev( m ), _gatewayIPAddressString ) ); } _gatewayTransform = ( m => DataTransforms.QueuedItemFromSensorDataContract( transform( m ) ) ); } } catch( Exception ex ) { _logger.LogError( "Exception creating Gateway: " + ex.Message ); } }