diff options
Diffstat (limited to 'SocketHttpListener/Net/ChunkedInputStream.cs')
| -rw-r--r-- | SocketHttpListener/Net/ChunkedInputStream.cs | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/SocketHttpListener/Net/ChunkedInputStream.cs b/SocketHttpListener/Net/ChunkedInputStream.cs deleted file mode 100644 index 7aa8529e3..000000000 --- a/SocketHttpListener/Net/ChunkedInputStream.cs +++ /dev/null @@ -1,178 +0,0 @@ -using System; -using System.IO; -using System.Net; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal sealed class ChunkedInputStream : HttpRequestStream - { - private ChunkStream _decoder; - private readonly HttpListenerContext _context; - private bool _no_more_data; - - private class ReadBufferState - { - public byte[] Buffer; - public int Offset; - public int Count; - public int InitialCount; - public HttpStreamAsyncResult Ares; - public ReadBufferState(byte[] buffer, int offset, int count, HttpStreamAsyncResult ares) - { - Buffer = buffer; - Offset = offset; - Count = count; - InitialCount = count; - Ares = ares; - } - } - - public ChunkedInputStream(HttpListenerContext context, Stream stream, byte[] buffer, int offset, int length) - : base(stream, buffer, offset, length) - { - _context = context; - var coll = (WebHeaderCollection)context.Request.Headers; - _decoder = new ChunkStream(coll); - } - - public ChunkStream Decoder - { - get => _decoder; - set => _decoder = value; - } - - protected override int ReadCore(byte[] buffer, int offset, int count) - { - IAsyncResult ares = BeginReadCore(buffer, offset, count, null, null); - return EndRead(ares); - } - - protected override IAsyncResult BeginReadCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state) - { - var 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; - var rb = new ReadBufferState(buffer, offset, size, ares); - rb.InitialCount += nread; - base.BeginReadCore(ares._buffer, ares._offset, ares._count, OnRead, rb); - return ares; - } - - private void OnRead(IAsyncResult base_ares) - { - ReadBufferState rb = (ReadBufferState)base_ares.AsyncState; - var ares = rb.Ares; - try - { - int nread = base.EndRead(base_ares); - if (nread == 0) - { - _no_more_data = true; - ares._count = rb.InitialCount - rb.Count; - ares.Complete(); - return; - } - - _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) - { - _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.BeginReadCore(ares._buffer, ares._offset, ares._count, OnRead, rb); - } - catch (Exception e) - { - _context.Connection.SendError(e.Message, 400); - ares.Complete(e); - } - } - - public override int EndRead(IAsyncResult asyncResult) - { - if (asyncResult == null) - throw new ArgumentNullException(nameof(asyncResult)); - - var ares = asyncResult as HttpStreamAsyncResult; - if (ares == null || !ReferenceEquals(this, ares._parent)) - { - throw new ArgumentException("Invalid async result"); - } - if (ares._endCalled) - { - throw new InvalidOperationException("Invalid end call"); - } - ares._endCalled = true; - - if (!asyncResult.IsCompleted) - asyncResult.AsyncWaitHandle.WaitOne(); - - if (ares._error != null) - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "Operation aborted"); - - return ares._count; - } - } -} |