Esempio n. 1
0
        private 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  = 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);
            }
        }
Esempio n. 2
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        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(nameof(buffer));
            }

            int len = buffer.Length;

            if (offset < 0 || offset > len)
            {
                throw new ArgumentOutOfRangeException(nameof(offset), SR.offset_out_of_range);
            }

            if (count < 0 || offset > len - count)
            {
                throw new ArgumentOutOfRangeException(nameof(count), SR.offset_out_of_range);
            }

            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);
        }
Esempio n. 3
0
        private void OnRead(IAsyncResult base_ares)
        {
            ReadBufferState       readBufferState = (ReadBufferState)base_ares.AsyncState;
            HttpStreamAsyncResult ares            = readBufferState.Ares;

            try
            {
                int size = base.EndRead(base_ares);
                decoder.Write(ares.Buffer, ares.Offset, size);
                size = decoder.Read(readBufferState.Buffer, readBufferState.Offset, readBufferState.Count);
                readBufferState.Offset += size;
                readBufferState.Count  -= size;
                if (readBufferState.Count == 0 || !decoder.WantMore || size == 0)
                {
                    no_more_data = (!decoder.WantMore && size == 0);
                    ares.Count   = readBufferState.InitialCount - readBufferState.Count;
                    ares.Complete();
                }
                else
                {
                    ares.Offset = 0;
                    ares.Count  = Math.Min(8192, decoder.ChunkLeft + 6);
                    base.BeginRead(ares.Buffer, ares.Offset, ares.Count, (AsyncCallback)OnRead, (object)readBufferState);
                }
            }
            catch (Exception ex)
            {
                context.Connection.SendError(ex.Message, 400);
                ares.Complete(ex);
            }
        }
        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);
            }
        }
Esempio n. 5
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        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 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 (no_more_data)
            {
                httpStreamAsyncResult.Complete();
                return(httpStreamAsyncResult);
            }
            int num2 = decoder.Read(buffer, offset, count);

            offset += num2;
            count  -= num2;
            if (count == 0)
            {
                httpStreamAsyncResult.Count = num2;
                httpStreamAsyncResult.Complete();
                return(httpStreamAsyncResult);
            }
            if (!decoder.WantMore)
            {
                no_more_data = (num2 == 0);
                httpStreamAsyncResult.Count = num2;
                httpStreamAsyncResult.Complete();
                return(httpStreamAsyncResult);
            }
            httpStreamAsyncResult.Buffer = new byte[8192];
            httpStreamAsyncResult.Offset = 0;
            httpStreamAsyncResult.Count  = 8192;
            ReadBufferState readBufferState = new ReadBufferState(buffer, offset, count, httpStreamAsyncResult);

            readBufferState.InitialCount += num2;
            base.BeginRead(httpStreamAsyncResult.Buffer, httpStreamAsyncResult.Offset, httpStreamAsyncResult.Count, (AsyncCallback)OnRead, (object)readBufferState);
            return(httpStreamAsyncResult);
        }
Esempio n. 6
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        protected virtual IAsyncResult BeginReadCore(byte[] buffer, int offset, int size, AsyncCallback?cback, object?state)
        {
            if (size == 0 || _closed)
            {
                HttpStreamAsyncResult ares = new HttpStreamAsyncResult(this);
                ares._callback = cback;
                ares._state    = state;
                ares.Complete();
                return(ares);
            }

            int nread = FillFromBuffer(buffer, offset, size);

            if (nread > 0 || nread == -1)
            {
                HttpStreamAsyncResult ares = new HttpStreamAsyncResult(this);
                ares._buffer    = buffer;
                ares._offset    = offset;
                ares._count     = size;
                ares._callback  = cback;
                ares._state     = state;
                ares._synchRead = Math.Max(0, nread);
                ares.Complete();
                return(ares);
            }

            // Avoid reading past the end of the request to allow
            // for HTTP pipelining
            if (_remainingBody >= 0 && size > _remainingBody)
            {
                size = (int)Math.Min(_remainingBody, (long)size);
            }

            return(_stream.BeginRead(buffer, offset, size, cback, state));
        }
Esempio n. 7
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        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 = 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)Math.Min(Int32.MaxValue, remaining_body);
            }
            return(stream.BeginRead(buffer, offset, count, cback, state));
        }
        public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback cback, object state)
        {
            if (this.disposed)
            {
                throw new ObjectDisposedException(typeof(RequestStream).ToString());
            }
            int num = this.FillFromBuffer(buffer, offset, count);

            if (num > 0 || num == -1)
            {
                HttpStreamAsyncResult httpStreamAsyncResult = new HttpStreamAsyncResult();
                httpStreamAsyncResult.Buffer    = buffer;
                httpStreamAsyncResult.Offset    = offset;
                httpStreamAsyncResult.Count     = count;
                httpStreamAsyncResult.Callback  = cback;
                httpStreamAsyncResult.State     = state;
                httpStreamAsyncResult.SynchRead = num;
                httpStreamAsyncResult.Complete();
                return(httpStreamAsyncResult);
            }
            if (this.remaining_body >= 0L && (long)count > this.remaining_body)
            {
                count = (int)Math.Min(2147483647L, this.remaining_body);
            }
            return(this.stream.BeginRead(buffer, offset, count, cback, state));
        }
Esempio n. 9
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        public IAsyncResult BeginRead(byte[] buffer, int offset, int count,
                                      AsyncCallback cback, object state)
        {
            if (_disposed)
            {
                throw new ObjectDisposedException(typeof(RequestStream).ToString());
            }

            var nread = FillFromBuffer(buffer, offset, count);

            if (nread > 0 || nread == -1)
            {
                var ares = new HttpStreamAsyncResult
                {
                    Buffer    = buffer,
                    Offset    = offset,
                    Count     = count,
                    Callback  = cback,
                    State     = state,
                    SynchRead = Math.Max(0, nread)
                };

                ares.Complete();
                return(ares);
            }

            // Avoid reading past the end of the request to allow
            // for HTTP pipelining
            if (_remainingBody >= 0 && count > _remainingBody)
            {
                count = (int)Math.Min(int.MaxValue, _remainingBody);
            }
            return(_stream.BeginRead(buffer, offset, count, cback, state));
        }
Esempio n. 10
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        private IAsyncResult BeginWriteCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state)
        {
            if (_closed)
            {
                HttpStreamAsyncResult ares = new HttpStreamAsyncResult();
                ares._callback = cback;
                ares._state    = state;
                ares.Complete();
                return(ares);
            }

            byte[]       bytes   = null;
            MemoryStream ms      = GetHeaders(false);
            bool         chunked = _response.SendChunked;

            if (ms != null)
            {
                long start = ms.Position;
                ms.Position = ms.Length;
                if (chunked)
                {
                    bytes = GetChunkSizeBytes(size, false);
                    ms.Write(bytes, 0, bytes.Length);
                }
                ms.Write(buffer, offset, size);
                buffer = ms.GetBuffer();
                offset = (int)start;
                size   = (int)(ms.Position - start);
            }
            else if (chunked)
            {
                bytes = GetChunkSizeBytes(size, false);
                InternalWrite(bytes, 0, bytes.Length);
            }

            try
            {
                return(_stream.BeginWrite(buffer, offset, size, cback, state));
            }
            catch (IOException ex)
            {
                if (_ignore_errors)
                {
                    HttpStreamAsyncResult ares = new HttpStreamAsyncResult();
                    ares._callback = cback;
                    ares._state    = state;
                    ares.Complete();
                    return(ares);
                }
                else
                {
                    throw new HttpListenerException(ex.HResult, ex.Message);
                }
            }
        }
        protected override IAsyncResult BeginReadCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state)
        {
            HttpStreamAsyncResult ares = new HttpStreamAsyncResult(this);

            ares._callback = cback;
            ares._state    = state;
            if (_no_more_data || size == 0 || _closed)
            {
                ares.Complete();
                return(ares);
            }
            int nread = _decoder.Read(buffer, offset, size);

            offset += nread;
            size   -= nread;
            if (size == 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, size, ares);

            rb.InitialCount += nread;
            base.BeginReadCore(ares._buffer, ares._offset, ares._count, OnRead, rb);
            return(ares);
        }
Esempio n. 12
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        public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback cback, object state)
        {
            if (_disposed)
            {
                throw new ObjectDisposedException(typeof(HttpRequestStream).ToString());
            }
            if (buffer == null)
            {
                throw new ArgumentNullException(nameof(buffer));
            }
            if (offset < 0 || offset > buffer.Length)
            {
                throw new ArgumentOutOfRangeException(nameof(offset));
            }
            if (size < 0 || size > buffer.Length - offset)
            {
                throw new ArgumentOutOfRangeException(nameof(size));
            }

            int nread = FillFromBuffer(buffer, offset, size);

            if (nread > 0 || nread == -1)
            {
                HttpStreamAsyncResult ares = new HttpStreamAsyncResult();
                ares._buffer    = buffer;
                ares._offset    = offset;
                ares._count     = size;
                ares._callback  = cback;
                ares._state     = state;
                ares._synchRead = Math.Max(0, nread);
                ares.Complete();
                return(ares);
            }

            // Avoid reading past the end of the request to allow
            // for HTTP pipelining
            if (_remainingBody >= 0 && size > _remainingBody)
            {
                size = (int)Math.Min(int.MaxValue, _remainingBody);
            }

            return(_stream.BeginRead(buffer, offset, size, 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;
		}
Esempio n. 14
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        public new 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(nameof(buffer));
            }

            var 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");
            }

            var ares = new HttpStreamAsyncResult
            {
                Callback = cback,
                State    = state
            };

            if (_noMoreData)
            {
                ares.Complete();
                return(ares);
            }

            var 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)
            {
                _noMoreData = nread == 0;
                ares.Count  = nread;
                ares.Complete();
                return(ares);
            }
            ares.Buffer = new byte[8192];
            ares.Offset = 0;
            ares.Count  = 8192;
            var rb = new ReadBufferState(buffer, offset, count, ares);

            rb.InitialCount += nread;
            base.BeginRead(ares.Buffer, ares.Offset, ares.Count, OnRead, rb);
            return(ares);
        }
Esempio n. 15
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		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 = 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) Math.Min (Int32.MaxValue, remaining_body);
			return stream.BeginRead (buffer, offset, count, cback, state);
		}