//
// write interface
//
public virtual void BeginWrite(int seq)
{
if (wlock.IsHeldByCurrentThread())
{
throw new IOException("BeginWrite is not reentrant");
}
#if AGNOS_TRANSPORT_DEBUG
System.Console.WriteLine("Transport.BeginWrite");
#endif
wlock.Acquire();
wseq = seq;
wbuffer.Position = 0;
wbuffer.SetLength(0);
#if AGNOS_TRANSPORT_DEBUG
System.Console.WriteLine(">> okay");
#endif
}
//
// read interface
//
public virtual int BeginRead()
{
if (rlock.IsHeldByCurrentThread())
{
throw new IOException("BeginRead is not reentrant");
}
#if AGNOS_TRANSPORT_DEBUG
System.Console.WriteLine("TransportBegin.BeginRead");
#endif
rlock.Acquire();
try {
int seq = readSInt32(inStream);
int packetLength = readSInt32(inStream);
int uncompressedLength = readSInt32(inStream);
#if AGNOS_TRANSPORT_DEBUG
System.Console.WriteLine(">> seq={0}, len={1}, uncomp={2}", seq, packetLength, uncompressedLength);
#endif
if (readStream != null)
{
throw new InvalidOperationException("readStream must be null at this point");
}
readStream = new BoundInputStream(inStream, packetLength, true, false);
if (uncompressedLength > 0)
{
readStream = new BoundInputStream(new DeflateStream(readStream, CompressionMode.Decompress, false), packetLength, false, true);
}
return(seq);
} catch (Exception) {
readStream = null;
rlock.Release();
throw;
}
}