private static CitpPacket BuildFSel(CitpRecieveData data)
{
FSelHeader header = new FSelHeader(string.Empty);
header.ReadData(data.GetReader());
CitpPacket packet = null;
switch (header.ContentType)
{
case FSelSelect.PacketType:
packet = new FSelSelect();
break;
case FSelDeselect.PacketType:
packet = new FSelDeselect();
break;
default:
return(null);
}
packet.ReadData(data.GetReader());
return(packet);
}
private static CitpPacket BuildFPtc(CitpRecieveData data)
{
FPtcHeader header = new FPtcHeader(string.Empty);
header.ReadData(data.GetReader());
CitpPacket packet = null;
switch (header.ContentType)
{
case FPtcPatch.PacketType:
packet = new FPtcPatch();
break;
case FPtcUnpatch.PacketType:
packet = new FPtcUnpatch();
break;
case FPtcSendPatch.PacketType:
packet = new FPtcSendPatch();
break;
default:
return(null);
}
packet.ReadData(data.GetReader());
return(packet);
}
private static CitpPacket BuildSDmx(CitpReceiveData data)
{
SDmxHeader header = new SDmxHeader(string.Empty);
header.ReadData(data.GetReader());
CitpPacket packet = null;
switch (header.ContentType)
{
case SDmxEncryptionIdentifier.PacketType:
packet = new SDmxEncryptionIdentifier();
break;
case SDmxUniverseName.PacketType:
packet = new SDmxUniverseName();
break;
case SDmxChannelBlock.PacketType:
packet = new SDmxChannelBlock();
break;
case SDmxSetExternalSource.PacketType:
packet = new SDmxSetExternalSource();
break;
default:
return(null);
}
packet.ReadData(data.GetReader());
return(packet);
}
private static CitpPacket BuildCaEx(CitpReceiveData data)
{
CaExHeader header = new CaExHeader(0x0);
header.ReadData(data.GetReader());
CitpPacket packet = null;
switch (header.ContentCode)
{
case CaExContentCodes.Nack:
packet = new CaExNack();
break;
case CaExContentCodes.GetLiveViewStatus:
packet = new CaExGetLiveViewStatus();
break;
case CaExContentCodes.LiveViewStatus:
packet = new CaExLiveViewStatus();
break;
case CaExContentCodes.GetLiveViewImage:
packet = new CaExGetLiveViewImage();
break;
case CaExContentCodes.LiveViewImage:
packet = new CaExLiveViewImage();
break;
case CaExContentCodes.SetCueRecordingCapabilities:
packet = new CaExSetCueRecordingCapabilities();
break;
case CaExContentCodes.RecordCue:
packet = new CaExRecordCue();
break;
case CaExContentCodes.SetRecorderClearingCapabilities:
packet = new CaExSetRecorderClearingCapabilities();
break;
case CaExContentCodes.ClearRecorder:
packet = new CaExClearRecorder();
break;
default:
return(null);
}
packet.ReadData(data.GetReader());
return(packet);
}
private static CitpPacket BuildCaEx(CitpRecieveData data)
{
CaExHeader header = new CaExHeader(0x0);
header.ReadData(data.GetReader());
CitpPacket packet = null;
switch (header.ContentCode)
{
case CaExContentCodes.Nack:
packet = new CaExNack();
break;
case CaExContentCodes.GetLiveViewStatus:
packet = new CaExGetLiveViewStatus();
break;
case CaExContentCodes.LiveViewStatus:
packet = new CaExLiveViewStatus();
break;
case CaExContentCodes.GetLiveViewImage:
packet = new CaExGetLiveViewImage();
break;
case CaExContentCodes.LiveViewImage:
packet = new CaExLiveViewImage();
break;
case CaExContentCodes.SetCueRecordingCapabilities:
packet = new CaExSetCueRecordingCapabilities();
break;
case CaExContentCodes.RecordCue:
packet = new CaExRecordCue();
break;
case CaExContentCodes.SetRecorderClearingCapabilities:
packet = new CaExSetRecorderClearingCapabilities();
break;
case CaExContentCodes.ClearRecorder:
packet = new CaExClearRecorder();
break;
case CaExContentCodes.EnterShow:
packet = new CaExEnterShow();
break;
case CaExContentCodes.LeaveShow:
packet = new CaExLeaveShow();
break;
case CaExContentCodes.FixtureConsoleStatus:
packet = new CaExFixtureConsoleStatus();
break;
case CaExContentCodes.FixtureListRequest:
packet = new CaExFixtureListRequest();
break;
case CaExContentCodes.FixtureList:
packet = new CaExFixtureList();
break;
case CaExContentCodes.FixtureModify:
packet = new CaExFixtureModify();
break;
case CaExContentCodes.FixtureRemove:
packet = new CaExFixtureRemove();
break;
case CaExContentCodes.FixtureSelection:
packet = new CaExFixtureSelection();
break;
case CaExContentCodes.FixtureIdentify:
packet = new CaExFixtureIdentify();
break;
case CaExContentCodes.GetLaserFeedList:
//Not implemented yet, left here as placeholder.
return(null);
default:
return(null);
}
packet.ReadData(data.GetReader());
return(packet);
}
internal static bool TryBuild(CitpRecieveData data, out CitpPacket packet)
{
CitpHeader header = new CitpHeader(string.Empty);
packet = header;
try
{
//We have read all the data.
if (data.EndOfData())
{
data.Reset();
return(false);
}
//Check we have enough data to construct the header.
if (data.Length - data.ReadPosition < CitpHeader.PacketSize)
{
return(false);
}
//Read the packet header.
header.ReadData(data.GetReader());
//Ensure the header packet is valid
if (!header.IsValid())
{
//Purge data as it is probably corrupted.
data.Reset(); //Reset position to start so we dump the data.
return(false);
}
//Read the sub packet
switch (header.ContentType)
{
case CitpPInfHeader.PacketType:
packet = BuildPInf(data);
break;
case SDmxHeader.PacketType:
packet = BuildSDmx(data);
break;
case FPtcHeader.PacketType:
packet = BuildFPtc(data);
break;
case FSelHeader.PacketType:
packet = BuildFSel(data);
break;
case CitpMsexHeader.PacketType:
packet = BuildMsex(data);
break;
case CaExHeader.PacketType:
packet = BuildCaEx(data);
break;
case FInfHeader.PacketType:
packet = BuildFInf(data);
break;
default:
packet = null;
break;
}
//Advance the read and write pointers past the successfully read packet.
data.ReadPosition += header.MessageSize;
}
catch (EndOfStreamException)
{
return(false);
}
//We have managed to read the packet even if it was unknown and set to null so lets return true
return(true);
}
internal static bool TryBuild(CitpReceiveData data, out CitpPacket packet)
{
CitpHeader header = new CitpHeader(string.Empty);
packet = header;
try
{
//We have read all the data.
if (data.EndOfData())
{
data.Reset();
return(false);
}
//Check we have enough data to construct the header.
if (data.Length - data.ReadPosition < CitpHeader.PacketSize)
{
return(false);
}
//Read the packet header.
header.ReadData(data.GetReader());
//Ensure the header packet is valid
if (!header.IsValid())
{
//Purge data as it is probably corrupted.
data.Reset(); //Reset position to start so we dump the data.
return(false);
}
//Read the sub packet
switch (header.ContentType)
{
case CitpPInfHeader.PacketType:
packet = BuildPInf(data);
break;
case SDmxHeader.PacketType:
packet = BuildSDmx(data);
break;
case FPtcHeader.PacketType:
packet = BuildFPtc(data);
break;
case FSelHeader.PacketType:
packet = BuildFSel(data);
break;
case CitpMsexHeader.PacketType:
packet = BuildMsex(data);
break;
case CaExHeader.PacketType:
packet = BuildCaEx(data);
break;
default:
return(false);
}
}
catch (EndOfStreamException)
{
return(false);
}
return(packet != null);
}
