//--//
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 );
}
}
