public DataChunk(byte flags, int length, ByteBuffer pkt) : base(ChunkType.DATA, flags, length, pkt)
{
//logger.LogDebug("read in chunk header " + length);
//logger.LogDebug("body remaining " + _body.remaining());
if (_body.remaining() >= 12)
{
_tsn = _body.GetUInt();
_streamId = _body.GetUShort();
_sSeqNo = _body.GetUShort();
_ppid = _body.GetInt();
//logger.LogDebug(" _tsn : " + _tsn
// + " _streamId : " + _streamId
// + " _sSeqNo : " + _sSeqNo
// + " _ppid : " + _ppid);
//logger.LogDebug("data size remaining " + _body.remaining());
switch (_ppid)
{
case WEBRTCCONTROL:
ByteBuffer bb = _body.slice();
try
{
_open = new DataChannelOpen(bb);
}
catch (InvalidDataChunkException ex)
{
_invalid = ex;
}
//logger.LogDebug("Got an DCEP " + _open);
break;
case WEBRTCstring:
// what format is a string ?
_data = new byte[_body.remaining()];
_body.GetBytes(_data, _data.Length);
_dataOffset = 0;
_dataLength = _data.Length;
//logger.LogDebug("string data is " + Encoding.ASCII.GetString(_data));
break;
case WEBRTCBINARY:
_data = new byte[_body.remaining()];
_body.GetBytes(_data, _data.Length);
_dataOffset = 0;
_dataLength = _data.Length;
//logger.LogDebug("data is " + Packet.getHex(_data));
break;
default:
logger.LogWarning($"Invalid payload protocol identifier Id in data chunk, ppid {_ppid}.");
_invalid = new InvalidDataChunkException(
$"Invalid payload protocol identifier in data chunk, ppid {_ppid}.");
break;
}
}
}
public DataChunk(CType type, byte flags, int length, ByteBuffer pkt) : base(type, flags, length, pkt)
{
Logger.Debug("read in chunk header " + length);
Logger.Debug("body remaining " + _body.remaining());
if (_body.remaining() >= 12)
{
_tsn = _body.GetUInt();
_streamId = _body.GetUShort();
_sSeqNo = _body.GetUShort();
_ppid = _body.GetInt();
Logger.Debug(" _tsn : " + _tsn
+ " _streamId : " + _streamId
+ " _sSeqNo : " + _sSeqNo
+ " _ppid : " + _ppid);
Logger.Debug("data size remaining " + _body.remaining());
switch (_ppid)
{
case WEBRTCCONTROL:
ByteBuffer bb = _body.slice();
try {
_open = new DCOpen(bb);
}
catch (InvalidDataChunkException ex) {
_invalid = ex;
}
Logger.Trace("Got an DCEP " + _open);
break;
case WEBRTCstring:
// what format is a string ?
_data = new byte[_body.remaining()];
_body.GetBytes(_data, _data.Length);
_dataOffset = 0;
_dataLength = _data.Length;
Logger.Trace("string data is " + Encoding.ASCII.GetString(_data));
break;
case WEBRTCBINARY:
_data = new byte[_body.remaining()];
_body.GetBytes(_data, _data.Length);
_dataOffset = 0;
_dataLength = _data.Length;
Logger.Trace("data is " + Packet.getHex(_data));
break;
default:
_invalid = new InvalidDataChunkException("Invalid Protocol Id in data Chunk " + _ppid);
break;
}
}
}
