protected override void OnStart(string[] args)
{
_logger.LogInfo("Service starting... ");
if (_webHost != null)
{
_webHost.Close( );
}
_batchSenderThread.Start( );
_webHost = new WebServiceHost(typeof(Microsoft.ConnectTheDots.Gateway.GatewayService));
Gateway.GatewayService service = new Microsoft.ConnectTheDots.Gateway.GatewayService(
_gatewayQueue,
_batchSenderThread,
m => DataTransforms.QueuedItemFromSensorDataContract(
DataTransforms.AddTimeCreated(DataTransforms.SensorDataContractFromString(m, _logger)), _logger)
);
_webHost.Description.Behaviors.Add(new ServiceBehavior(() => service));
service.Logger = _logger;
service.OnDataInQueue += OnData;
_webHost.Open( );
_dataIntakeLoader.StartAll(service.Enqueue);
_logger.LogInfo("...started");
}
//--//
public CoreTest(ILogger logger)
{
if (logger == null)
{
throw new ArgumentException("Cannot run tests without logging");
}
_completed = new AutoResetEvent(false);
_logger = logger;
_rand = new Random( );
_totalMessagesSent = 0;
_totalMessagesToSend = 0;
_gatewayQueue = new GatewayQueue <QueuedItem>( );
#if MOCK_SENDER
_sender = new MockSender <SensorDataContract>(this);
#else
IotHubConfig iotHubConfig = Loader.GetIotHubConfig( );
_sender = new MessageSender <SensorDataContract>(iotHubConfig.IotHubConnectionString, _logger);
#endif
_batchSenderThread = new BatchSenderThread <QueuedItem, SensorDataContract>(
_gatewayQueue,
_sender,
dataTransform: null,
serializedData: m => (m == null) ? null : m.JsonData,
logger: _logger
);
string gatewayIPAddressString = string.Empty;
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)));
}
}
private GatewayService PrepareGatewayService( )
{
_batchSenderThread.Start( );
GatewayService service = new GatewayService(_gatewayQueue, _batchSenderThread,
m => DataTransforms.QueuedItemFromSensorDataContract(
DataTransforms.AddTimeCreated(DataTransforms.SensorDataContractFromString(m, _logger)), _logger));
service.Logger = _logger;
service.OnDataInQueue += DataInQueue;
return(service);
}
//--//
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>( );
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 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>( );
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 Gateway: " + ex.Message);
}
}