void OnRead(IAsyncResult base_ares) { ReadBufferState rb = (ReadBufferState)base_ares.AsyncState; HttpStreamAsyncResult ares = rb.Ares; try { int nread = base.EndRead(base_ares); decoder.Write(ares.Buffer, ares.Offset, nread); nread = decoder.Read(rb.Buffer, rb.Offset, rb.Count); rb.Offset += nread; rb.Count -= nread; if (rb.Count == 0 || !decoder.WantMore || nread == 0) { no_more_data = !decoder.WantMore && nread == 0; ares.Count = rb.InitialCount - rb.Count; ares.Complete(); return; } ares.Offset = 0; ares.Count = System.Math.Min(8192, decoder.ChunkLeft + 6); base.BeginRead(ares.Buffer, ares.Offset, ares.Count, OnRead, rb); } catch (Exception e) { context.Connection.SendError(e.Message, 400); ares.Complete(e); } }
public override IAsyncResult BeginRead(byte [] buffer, int offset, int count, AsyncCallback cback, object state) { if (disposed) { throw new ObjectDisposedException(typeof(RequestStream).ToString()); } int nread = FillFromBuffer(buffer, offset, count); if (nread > 0 || nread == -1) { HttpStreamAsyncResult ares = new HttpStreamAsyncResult(); ares.Buffer = buffer; ares.Offset = offset; ares.Count = count; ares.Callback = cback; ares.State = state; ares.SynchRead = System.Math.Max(0, nread); ares.Complete(); return(ares); } // Avoid reading past the end of the request to allow // for HTTP pipelining if (remaining_body >= 0 && count > remaining_body) { count = (int)System.Math.Min(Int32.MaxValue, remaining_body); } return(null);//stream.BeginRead (buffer, offset, count, cback, state); }
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback cback, object state) { if (disposed) { throw new ObjectDisposedException(GetType().ToString()); } if (buffer == null) { throw new ArgumentNullException("buffer"); } int len = buffer.Length; if (offset < 0 || offset > len) { throw new ArgumentOutOfRangeException("offset exceeds the size of buffer"); } if (count < 0 || offset > len - count) { throw new ArgumentOutOfRangeException("offset+size exceeds the size of buffer"); } HttpStreamAsyncResult ares = new HttpStreamAsyncResult(); ares.Callback = cback; ares.State = state; if (no_more_data) { ares.Complete(); return(ares); } int nread = decoder.Read(buffer, offset, count); offset += nread; count -= nread; if (count == 0) { // got all we wanted, no need to bother the decoder yet ares.Count = nread; ares.Complete(); return(ares); } if (!decoder.WantMore) { no_more_data = nread == 0; ares.Count = nread; ares.Complete(); return(ares); } ares.Buffer = new byte[8192]; ares.Offset = 0; ares.Count = 8192; ReadBufferState rb = new ReadBufferState(buffer, offset, count, ares); rb.InitialCount += nread; base.BeginRead(ares.Buffer, ares.Offset, ares.Count, OnRead, rb); return(ares); }