/// <summary>
/// Inflates the stream of data in this message
/// </summary>
/// <returns></returns>
private bool _InflateDataStream(TDSStream stream)
{
// Indicates that end-of-message marker was reached
bool isEndOfMessageReached = false;
// Continue inflating packets as long as there's data in the stream or we've not reached the end of the message
while (!isEndOfMessageReached)
{
// Chunk of data still available in the current packet
int packetDataLeft = 0;
// Check if we have a packet header
if (stream.IncomingPacketHeader != null)
{
// Calculate the chunk of remaining data
packetDataLeft = stream.IncomingPacketHeader.Length - stream.IncomingPacketPosition;
}
// Check if we have data to work with
if (packetDataLeft == 0)
{
// Position stream on the next packet header and read it
if (!stream.ReadNextHeader())
{
// We couldn't inflate the next packet header
break;
}
// Record packet status
PacketStatuses.Add(stream.IncomingPacketHeader.Status);
// Use the packet header to establish message type
MessageType = stream.IncomingPacketHeader.Type;
// Recalculate the chunk of remaining data
packetDataLeft = stream.IncomingPacketHeader.Length - stream.IncomingPacketPosition;
}
// Allocate a buffer to read the data into the buffer
byte[] packetDataBuffer = new byte[packetDataLeft];
// Read the data into the buffer
int packetDataRead = stream.Read(packetDataBuffer, 0, packetDataLeft);
// Check if we have a data stream
if (_dataStream == null)
{
// Allocate a new data stream
_dataStream = new MemoryStream();
}
// Write the data into the message stream
_dataStream.Write(packetDataBuffer, 0, packetDataRead);
// Check if the whole packet was read
if (packetDataRead < packetDataLeft)
{
// We don't have enough data to inflate the whole message
break;
}
// Check if inflation succeded
isEndOfMessageReached = (stream.IncomingPacketHeader.Status & TDSPacketStatus.EndOfMessage) != 0;
}
// Tell caller whether we reached the end of message
return(isEndOfMessageReached);
}
