/// <summary>Transmit stop video streaming command request.</summary>
/// <exception cref="FaultException">Thrown when a Fault error condition occurs.</exception>
/// <param name="client">The emebedded web service client.</param>
/// <param name="request">The request to send to embedded.</param>
private static void TransmitStopVideoStreamingCommandRequest(LiveVideoControlServiceClient client, ProcessStopVideoStreamingCommandRequestContext request)
{
LiveVideoControlRspEnumType result = LiveVideoControlRspEnumType.StartVideoStreamingCommandReceived;
try
{
result = client.StopVideoStreamingCommand(request.RequestId.ToString());
}
catch (FaultException)
{
// When there is a SOAP fault while sending, we still notify that we sent the request
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlDistributionSent, request.ElementId);
throw;
}
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlDistributionSent, request.ElementId);
if (result == LiveVideoControlRspEnumType.StopVideoStreamingCommandReceived)
{
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlDistributionReceived, request.ElementId);
}
else
{
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlErrorUndefined, request.ElementId);
}
request.TransmissionStatus = true;
}
/// <summary>Transmit start video streaming command request.</summary>
/// <param name="client">The emebedded web service client.</param>
/// <param name="request">The request to send to embedded.</param>
private static void TransmitSendVideoStreamingStatusRequest(LiveVideoControlServiceClient client, ProcessSendVideoStreamingStatusRequestContext request)
{
client.SendVideoStreamingStatusCommand();
}
/// <summary>Transmit request to embedded system.</summary>
/// <param name="request">The request to send to embedded.</param>
private static void TransmitRequest(RequestContext request)
{
bool requestIsTransmitted = false;
ServiceInfo serviceInfo;
// Check if target element is online
bool elementIsOnline;
T2GManagerErrorEnum rqstResult = _train2groundManager.IsElementOnline(request.ElementId, out elementIsOnline);
switch (rqstResult)
{
case T2GManagerErrorEnum.eSuccess:
if (elementIsOnline == true)
{
T2GManagerErrorEnum result = _train2groundManager.GetAvailableServiceData(request.ElementId, (int)eServiceID.eSrvSIF_LiveVideoControlServer, out serviceInfo);
switch (result)
{
case T2GManagerErrorEnum.eSuccess:
{
string endpoint = "http://" + serviceInfo.ServiceIPAddress + ":" + serviceInfo.ServicePortNumber;
try
{
// Call LiveVideoControl train service
using (LiveVideoControlServiceClient trainClient = new LiveVideoControlServiceClient("LiveVideoControlEndpoint", endpoint))
{
try
{
if (request is ProcessStopVideoStreamingCommandRequestContext)
{
RequestProcessor.TransmitStopVideoStreamingCommandRequest(trainClient, request as ProcessStopVideoStreamingCommandRequestContext);
}
else if (request is ProcessStartVideoStreamingCommandRequestContext)
{
RequestProcessor.TransmitStartVideoStreamingCommandRequest(trainClient, request as ProcessStartVideoStreamingCommandRequestContext);
}
else if (request is ProcessSendVideoStreamingStatusRequestContext)
{
RequestProcessor.TransmitSendVideoStreamingStatusRequest(trainClient, request as ProcessSendVideoStreamingStatusRequestContext);
}
else
{
// No other request type supported
}
requestIsTransmitted = true;
}
catch (Exception ex)
{
if (!RequestProcessor.ShouldContinueOnTransmissionError(ex))
{
// Assume transmitted (no reason to retry)
requestIsTransmitted = true;
}
}
finally
{
if (trainClient.State == CommunicationState.Faulted)
{
trainClient.Abort();
}
}
}
}
catch (Exception ex)
{
if (!RequestProcessor.ShouldContinueOnTransmissionError(ex))
{
// Assume transmitted (no reason to retry)
requestIsTransmitted = true;
}
}
}
break;
case T2GManagerErrorEnum.eT2GServerOffline:
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlT2GServerOffline, string.Empty);
break;
case T2GManagerErrorEnum.eElementNotFound:
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlElementNotFound, request.ElementId);
break;
case T2GManagerErrorEnum.eServiceInfoNotFound:
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlServiceNotFound, request.ElementId);
break;
default:
break;
}
}
break;
case T2GManagerErrorEnum.eT2GServerOffline:
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlT2GServerOffline, string.Empty);
break;
case T2GManagerErrorEnum.eElementNotFound:
requestIsTransmitted = true;
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlElementNotFound, request.ElementId);
break;
default:
break;
}
request.TransmissionStatus = requestIsTransmitted;
if (request.State == RequestState.WaitingRetry && request.TransferAttemptsDone == 1)
{
// first attempt failed, send notification
RequestProcessor.SendNotificationToGroundApp(request.RequestId, PIS.Ground.GroundCore.AppGround.NotificationIdEnum.LiveVideoControlDistributionWaitingToSend, request.ElementId);
}
}
