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' + 'count' 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); }