private void OnRead(IAsyncResult base_ares)
{
ChunkedInputStream.ReadBufferState readBufferState = (ChunkedInputStream.ReadBufferState)base_ares.AsyncState;
HttpStreamAsyncResult ares = readBufferState.Ares;
try
{
int num = base.EndRead(base_ares);
this.decoder.Write(ares.Buffer, ares.Offset, num);
num = this.decoder.Read(readBufferState.Buffer, readBufferState.Offset, readBufferState.Count);
readBufferState.Offset += num;
readBufferState.Count -= num;
if (readBufferState.Count == 0 || !this.decoder.WantMore || num == 0)
{
this.no_more_data = (!this.decoder.WantMore && num == 0);
ares.Count = readBufferState.InitialCount - readBufferState.Count;
ares.Complete();
}
else
{
ares.Offset = 0;
ares.Count = Math.Min(8192, this.decoder.ChunkLeft + 6);
base.BeginRead(ares.Buffer, ares.Offset, ares.Count, new AsyncCallback(this.OnRead), readBufferState);
}
}
catch (Exception ex)
{
this.context.Connection.SendError(ex.Message, 400);
ares.Complete(ex);
}
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback cback, object state)
{
if (this.disposed)
{
throw new ObjectDisposedException(base.GetType().ToString());
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
int num = buffer.Length;
if (offset < 0 || offset > num)
{
throw new ArgumentOutOfRangeException("offset exceeds the size of buffer");
}
if (count < 0 || offset > num - count)
{
throw new ArgumentOutOfRangeException("offset+size exceeds the size of buffer");
}
HttpStreamAsyncResult httpStreamAsyncResult = new HttpStreamAsyncResult();
httpStreamAsyncResult.Callback = cback;
httpStreamAsyncResult.State = state;
if (this.no_more_data)
{
httpStreamAsyncResult.Complete();
return(httpStreamAsyncResult);
}
int num2 = this.decoder.Read(buffer, offset, count);
offset += num2;
count -= num2;
if (count == 0)
{
httpStreamAsyncResult.Count = num2;
httpStreamAsyncResult.Complete();
return(httpStreamAsyncResult);
}
if (!this.decoder.WantMore)
{
this.no_more_data = (num2 == 0);
httpStreamAsyncResult.Count = num2;
httpStreamAsyncResult.Complete();
return(httpStreamAsyncResult);
}
httpStreamAsyncResult.Buffer = new byte[8192];
httpStreamAsyncResult.Offset = 0;
httpStreamAsyncResult.Count = 8192;
ChunkedInputStream.ReadBufferState readBufferState = new ChunkedInputStream.ReadBufferState(buffer, offset, count, httpStreamAsyncResult);
readBufferState.InitialCount += num2;
base.BeginRead(httpStreamAsyncResult.Buffer, httpStreamAsyncResult.Offset, httpStreamAsyncResult.Count, new AsyncCallback(this.OnRead), readBufferState);
return(httpStreamAsyncResult);
}