public ReadDataAsyncResult(WseTcpDuplexSessionChannel channel, AsyncCallback callback, object state)
: base(callback, state)
{
this.channel = channel;
bool success = false;
try
{
IAsyncResult drainPreambleResult = channel.BeginSocketReceiveBytes(12, false, drainPreambleCallback, this);
if (drainPreambleResult.CompletedSynchronously)
{
if (CompleteDrainPreamble(drainPreambleResult))
{
base.Complete(true);
}
}
success = true;
}
finally
{
if (!success)
{
this.Cleanup();
}
}
}
bool CompleteDrainPreamble(IAsyncResult result)
{
this.preambleBytes = channel.EndSocketReceiveBytes(result);
if (this.preambleBytes == null)
{
this.buffer = new ArraySegment <byte>();
return(true);
}
int idLength, typeLength;
channel.PrepareDummyRead(preambleBytes, out idLength, out typeLength);
IAsyncResult dummyResult = channel.BeginSocketReceiveBytes(idLength + typeLength, dummyCallback, this);
if (!dummyResult.CompletedSynchronously)
{
return(false);
}
return(CompleteDummy(dummyResult));
}
public ReadDataAsyncResult(WseTcpDuplexSessionChannel channel, AsyncCallback callback, object state)
: base(callback, state)
{
this.channel = channel;
bool success = false;
try
{
IAsyncResult drainPreambleResult = channel.BeginSocketReceiveBytes(12, false, drainPreambleCallback, this);
if (drainPreambleResult.CompletedSynchronously)
{
if (CompleteDrainPreamble(drainPreambleResult))
{
base.Complete(true);
}
}
success = true;
}
finally
{
if (!success)
{
this.Cleanup();
}
}
}