public void SplashPresenter_StartApplication_Picks_Up_HttpListenerExceptions_When_Starting_WebServer()
{
var exception = new HttpListenerException();
_WebServer.SetupSet(s => s.Online = true).Callback(() => {
throw exception;
});
_WebServer.Setup(a => a.Port).Returns(123);
_Presenter.Initialise(_View.Object);
_Presenter.StartApplication();
_Log.Verify(g => g.WriteLine("Caught exception when starting web server: {0}", exception.ToString()), Times.Once());
_View.Verify(v => v.ReportProblem(String.Format(Strings.CannotStartWebServerFull, 123), Strings.CannotStartWebServerTitle, false), Times.Once());
_View.Verify(v => v.ReportProblem(Strings.SuggestUseDifferentPortFull, Strings.SuggestUseDifferentPortTitle, false), Times.Once());
}
public override int Read([In, Out] byte[] buffer, int offset, int size)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
NetEventSource.Info(this, "size:" + size + " offset:" + offset);
}
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));
}
if (size == 0 || _closed)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this, "dataRead:0");
}
return(0);
}
uint dataRead = 0;
if (_dataChunkIndex != -1)
{
dataRead = Interop.HttpApi.GetChunks(_httpContext.Request.RequestBuffer, _httpContext.Request.OriginalBlobAddress, ref _dataChunkIndex, ref _dataChunkOffset, buffer, offset, size);
}
if (_dataChunkIndex == -1 && dataRead < size)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "size:" + size + " offset:" + offset);
}
uint statusCode = 0;
uint extraDataRead = 0;
offset += (int)dataRead;
size -= (int)dataRead;
//the http.sys team recommends that we limit the size to 128kb
if (size > MaxReadSize)
{
size = MaxReadSize;
}
fixed(byte *pBuffer = buffer)
{
// issue unmanaged blocking call
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpReceiveRequestEntityBody");
}
uint flags = 0;
if (!_inOpaqueMode)
{
flags = (uint)Interop.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY;
}
statusCode =
Interop.HttpApi.HttpReceiveRequestEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
flags,
(void *)(pBuffer + offset),
(uint)size,
out extraDataRead,
null);
dataRead += extraDataRead;
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, exception.ToString());
}
throw exception;
}
UpdateAfterRead(statusCode, dataRead);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.DumpBuffer(this, buffer, offset, (int)dataRead);
NetEventSource.Info(this, "returning dataRead:" + dataRead);
NetEventSource.Exit(this, "dataRead:" + dataRead);
}
return((int)dataRead);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
}
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));
}
if (size == 0 || _closed)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
HttpRequestStreamAsyncResult result = new HttpRequestStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return(result);
}
HttpRequestStreamAsyncResult asyncResult = null;
uint dataRead = 0;
if (_dataChunkIndex != -1)
{
dataRead = Interop.HttpApi.GetChunks(_httpContext.Request.RequestBuffer, _httpContext.Request.OriginalBlobAddress, ref _dataChunkIndex, ref _dataChunkOffset, buffer, offset, size);
if (_dataChunkIndex != -1 && dataRead == size)
{
asyncResult = new HttpRequestStreamAsyncResult(_httpContext.RequestQueueBoundHandle, this, state, callback, buffer, offset, (uint)size, 0);
asyncResult.InvokeCallback(dataRead);
}
}
if (_dataChunkIndex == -1 && dataRead < size)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "size:" + size + " offset:" + offset);
}
uint statusCode = 0;
offset += (int)dataRead;
size -= (int)dataRead;
//the http.sys team recommends that we limit the size to 128kb
if (size > MaxReadSize)
{
size = MaxReadSize;
}
asyncResult = new HttpRequestStreamAsyncResult(_httpContext.RequestQueueBoundHandle, this, state, callback, buffer, offset, (uint)size, dataRead);
uint bytesReturned;
try
{
fixed(byte *pBuffer = buffer)
{
// issue unmanaged blocking call
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpReceiveRequestEntityBody");
}
uint flags = 0;
if (!_inOpaqueMode)
{
flags = (uint)Interop.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY;
}
statusCode =
Interop.HttpApi.HttpReceiveRequestEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
flags,
asyncResult._pPinnedBuffer,
(uint)size,
out bytesReturned,
asyncResult._pOverlapped);
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
}
}
catch (Exception e)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, e.ToString());
}
asyncResult.InternalCleanup();
throw;
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (statusCode == Interop.HttpApi.ERROR_HANDLE_EOF)
{
asyncResult = new HttpRequestStreamAsyncResult(this, state, callback, dataRead);
asyncResult.InvokeCallback((uint)0);
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, exception.ToString());
}
asyncResult.InternalCleanup();
throw exception;
}
}
else if (statusCode == Interop.HttpApi.ERROR_SUCCESS &&
HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
asyncResult.IOCompleted(statusCode, bytesReturned);
}
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
return(asyncResult);
}
private IAsyncResult BeginWriteCore(byte[] buffer, int offset, int size, AsyncCallback?callback, object?state)
{
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_closed || (size == 0 && _leftToWrite != 0))
{
HttpResponseStreamAsyncResult result = new HttpResponseStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return(result);
}
if (_leftToWrite >= 0 && size > _leftToWrite)
{
throw new ProtocolViolationException(SR.net_entitytoobig);
}
uint statusCode;
uint bytesSent = 0;
flags |= _leftToWrite == size ? Interop.HttpApi.HTTP_FLAGS.NONE : Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
bool sentHeaders = _httpContext.Response.SentHeaders;
HttpResponseStreamAsyncResult asyncResult = new HttpResponseStreamAsyncResult(this, state, callback, buffer, offset, size, _httpContext.Response.BoundaryType == BoundaryType.Chunked, sentHeaders, _httpContext.RequestQueueBoundHandle);
// Update m_LeftToWrite now so we can queue up additional BeginWrite's without waiting for EndWrite.
UpdateAfterWrite((uint)((_httpContext.Response.BoundaryType == BoundaryType.Chunked) ? 0 : size));
try
{
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(null, asyncResult, flags, false);
}
else
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
}
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
asyncResult.dataChunkCount,
asyncResult.pDataChunks,
&bytesSent,
SafeLocalAllocHandle.Zero,
0,
asyncResult._pOverlapped,
null);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
}
}
}
catch (Exception e)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(this, e.ToString());
}
asyncResult.InternalCleanup();
_closed = true;
_httpContext.Abort();
throw;
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (_httpContext.Listener !.IgnoreWriteExceptions && sentHeaders)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "BeginWrite() Suppressing error");
}
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(this, exception.ToString());
}
_closed = true;
_httpContext.Abort();
throw exception;
}
}
private void WriteCore(byte[] buffer, int offset, int size)
{
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (size == 0 && _leftToWrite != 0)
{
return;
}
if (_leftToWrite >= 0 && size > _leftToWrite)
{
throw new ProtocolViolationException(SR.net_entitytoobig);
}
uint statusCode;
uint dataToWrite = (uint)size;
SafeLocalAllocHandle?bufferAsIntPtr = null;
IntPtr pBufferAsIntPtr = IntPtr.Zero;
bool sentHeaders = _httpContext.Response.SentHeaders;
try
{
if (size == 0)
{
statusCode = _httpContext.Response.SendHeaders(null, null, flags, false);
}
else
{
fixed(byte *pDataBuffer = buffer)
{
byte *pBuffer = pDataBuffer;
if (_httpContext.Response.BoundaryType == BoundaryType.Chunked)
{
string chunkHeader = size.ToString("x", CultureInfo.InvariantCulture);
dataToWrite = dataToWrite + (uint)(chunkHeader.Length + 4);
bufferAsIntPtr = SafeLocalAllocHandle.LocalAlloc((int)dataToWrite);
pBufferAsIntPtr = bufferAsIntPtr.DangerousGetHandle();
for (int i = 0; i < chunkHeader.Length; i++)
{
Marshal.WriteByte(pBufferAsIntPtr, i, (byte)chunkHeader[i]);
}
Marshal.WriteInt16(pBufferAsIntPtr, chunkHeader.Length, 0x0A0D);
Marshal.Copy(buffer, offset, pBufferAsIntPtr + chunkHeader.Length + 2, size);
Marshal.WriteInt16(pBufferAsIntPtr, (int)(dataToWrite - 2), 0x0A0D);
pBuffer = (byte *)pBufferAsIntPtr;
offset = 0;
}
Interop.HttpApi.HTTP_DATA_CHUNK dataChunk = default;
dataChunk.DataChunkType = Interop.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory;
dataChunk.pBuffer = (byte *)(pBuffer + offset);
dataChunk.BufferLength = dataToWrite;
flags |= _leftToWrite == size ? Interop.HttpApi.HTTP_FLAGS.NONE : Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(&dataChunk, null, flags, false);
}
else
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
}
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
1,
&dataChunk,
null,
SafeLocalAllocHandle.Zero,
0,
null,
null);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
}
if (_httpContext.Listener !.IgnoreWriteExceptions)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Write() suppressing error");
}
statusCode = Interop.HttpApi.ERROR_SUCCESS;
}
}
}
}
}
finally
{
// free unmanaged buffer
bufferAsIntPtr?.Close();
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(this, exception.ToString());
}
_closed = true;
_httpContext.Abort();
throw exception;
}
UpdateAfterWrite(dataToWrite);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.DumpBuffer(this, buffer, offset, (int)dataToWrite);
}
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
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));
}
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_closed || (size == 0 && _leftToWrite != 0))
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
HttpResponseStreamAsyncResult result = new HttpResponseStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return result;
}
if (_leftToWrite >= 0 && size > _leftToWrite)
{
throw new ProtocolViolationException(SR.net_entitytoobig);
}
uint statusCode;
uint bytesSent = 0;
flags |= _leftToWrite == size ? Interop.HttpApi.HTTP_FLAGS.NONE : Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
bool sentHeaders = _httpContext.Response.SentHeaders;
HttpResponseStreamAsyncResult asyncResult = new HttpResponseStreamAsyncResult(this, state, callback, buffer, offset, size, _httpContext.Response.BoundaryType == BoundaryType.Chunked, sentHeaders, _httpContext.RequestQueueBoundHandle);
// Update m_LeftToWrite now so we can queue up additional BeginWrite's without waiting for EndWrite.
UpdateAfterWrite((uint)((_httpContext.Response.BoundaryType == BoundaryType.Chunked) ? 0 : size));
try
{
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(null, asyncResult, flags, false);
}
else
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
asyncResult.dataChunkCount,
asyncResult.pDataChunks,
&bytesSent,
SafeLocalAllocHandle.Zero,
0,
asyncResult._pOverlapped,
null);
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
}
}
catch (Exception e)
{
if (NetEventSource.IsEnabled) NetEventSource.Error(this, e.ToString());
asyncResult.InternalCleanup();
_closed = true;
_httpContext.Abort();
throw;
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (_httpContext.Listener.IgnoreWriteExceptions && sentHeaders)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "BeginWrite() Suppressing error");
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, exception.ToString());
_closed = true;
_httpContext.Abort();
throw exception;
}
}
if (statusCode == Interop.HttpApi.ERROR_SUCCESS && HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
asyncResult.IOCompleted(statusCode, bytesSent);
}
// Last write, cache it for special cancelation handling.
if ((flags & Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA) == 0)
{
_lastWrite = asyncResult;
}
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
return asyncResult;
}
protected override void Dispose(bool disposing)
{
if (NetEventSource.IsEnabled) NetEventSource.Enter(this);
try
{
if (disposing)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "_closed:" + _closed);
if (_closed)
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
return;
}
_closed = true;
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_leftToWrite > 0 && !_inOpaqueMode)
{
throw new InvalidOperationException(SR.net_io_notenoughbyteswritten);
}
bool sentHeaders = _httpContext.Response.SentHeaders;
if (sentHeaders && _leftToWrite == 0)
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
return;
}
uint statusCode = 0;
if ((_httpContext.Response.BoundaryType == BoundaryType.Chunked || _httpContext.Response.BoundaryType == BoundaryType.None) && (String.Compare(_httpContext.Request.HttpMethod, "HEAD", StringComparison.OrdinalIgnoreCase) != 0))
{
if (_httpContext.Response.BoundaryType == BoundaryType.None)
{
flags |= Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_DISCONNECT;
}
fixed (void* pBuffer = ChunkTerminator)
{
Interop.HttpApi.HTTP_DATA_CHUNK* pDataChunk = null;
if (_httpContext.Response.BoundaryType == BoundaryType.Chunked)
{
Interop.HttpApi.HTTP_DATA_CHUNK dataChunk = new Interop.HttpApi.HTTP_DATA_CHUNK();
dataChunk.DataChunkType = Interop.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory;
dataChunk.pBuffer = (byte*)pBuffer;
dataChunk.BufferLength = (uint)ChunkTerminator.Length;
pDataChunk = &dataChunk;
}
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(pDataChunk, null, flags, false);
}
else
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
pDataChunk != null ? (ushort)1 : (ushort)0,
pDataChunk,
null,
SafeLocalAllocHandle.Zero,
0,
null,
null);
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
if (_httpContext.Listener.IgnoreWriteExceptions)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Suppressing error");
statusCode = Interop.HttpApi.ERROR_SUCCESS;
}
}
}
}
else
{
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(null, null, flags, false);
}
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, exception.ToString());
_httpContext.Abort();
throw exception;
}
_leftToWrite = 0;
}
}
finally
{
base.Dispose(disposing);
}
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
}
public override void Write(byte[] buffer, int offset, int size)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
NetEventSource.Info(this, "buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
}
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));
}
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_closed || (size == 0 && _leftToWrite != 0))
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
return;
}
if (_leftToWrite >= 0 && size > _leftToWrite)
{
throw new ProtocolViolationException(SR.net_entitytoobig);
}
uint statusCode;
uint dataToWrite = (uint)size;
SafeLocalAllocHandle bufferAsIntPtr = null;
IntPtr pBufferAsIntPtr = IntPtr.Zero;
bool sentHeaders = _httpContext.Response.SentHeaders;
try
{
if (size == 0)
{
statusCode = _httpContext.Response.SendHeaders(null, null, flags, false);
}
else
{
fixed (byte* pDataBuffer = buffer)
{
byte* pBuffer = pDataBuffer;
if (_httpContext.Response.BoundaryType == BoundaryType.Chunked)
{
string chunkHeader = size.ToString("x", CultureInfo.InvariantCulture);
dataToWrite = dataToWrite + (uint)(chunkHeader.Length + 4);
bufferAsIntPtr = SafeLocalAllocHandle.LocalAlloc((int)dataToWrite);
pBufferAsIntPtr = bufferAsIntPtr.DangerousGetHandle();
for (int i = 0; i < chunkHeader.Length; i++)
{
Marshal.WriteByte(pBufferAsIntPtr, i, (byte)chunkHeader[i]);
}
Marshal.WriteInt16(pBufferAsIntPtr, chunkHeader.Length, 0x0A0D);
Marshal.Copy(buffer, offset, pBufferAsIntPtr + chunkHeader.Length + 2, size);
Marshal.WriteInt16(pBufferAsIntPtr, (int)(dataToWrite - 2), 0x0A0D);
pBuffer = (byte*)pBufferAsIntPtr;
offset = 0;
}
Interop.HttpApi.HTTP_DATA_CHUNK dataChunk = new Interop.HttpApi.HTTP_DATA_CHUNK();
dataChunk.DataChunkType = Interop.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory;
dataChunk.pBuffer = (byte*)(pBuffer + offset);
dataChunk.BufferLength = dataToWrite;
flags |= _leftToWrite == size ? Interop.HttpApi.HTTP_FLAGS.NONE : Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(&dataChunk, null, flags, false);
}
else
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
1,
&dataChunk,
null,
SafeLocalAllocHandle.Zero,
0,
null,
null);
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
if (_httpContext.Listener.IgnoreWriteExceptions)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Write() suppressing error");
statusCode = Interop.HttpApi.ERROR_SUCCESS;
}
}
}
}
}
finally
{
// free unmanaged buffer
bufferAsIntPtr?.Close();
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, exception.ToString());
_closed = true;
_httpContext.Abort();
throw exception;
}
UpdateAfterWrite(dataToWrite);
if (NetEventSource.IsEnabled) NetEventSource.DumpBuffer(this, buffer, offset, (int)dataToWrite);
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
}
private void DisposeCore()
{
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_leftToWrite > 0 && !_inOpaqueMode)
{
throw new InvalidOperationException(SR.net_io_notenoughbyteswritten);
}
bool sentHeaders = _httpContext.Response.SentHeaders;
if (sentHeaders && _leftToWrite == 0)
{
return;
}
uint statusCode = 0;
if ((_httpContext.Response.BoundaryType == BoundaryType.Chunked || _httpContext.Response.BoundaryType == BoundaryType.None) && !string.Equals(_httpContext.Request.HttpMethod, "HEAD", StringComparison.OrdinalIgnoreCase))
{
if (_httpContext.Response.BoundaryType == BoundaryType.None)
{
flags |= Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_DISCONNECT;
}
fixed(void *pBuffer = &s_chunkTerminator[0])
{
Interop.HttpApi.HTTP_DATA_CHUNK *pDataChunk = null;
if (_httpContext.Response.BoundaryType == BoundaryType.Chunked)
{
Interop.HttpApi.HTTP_DATA_CHUNK dataChunk = default;
dataChunk.DataChunkType = Interop.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory;
dataChunk.pBuffer = (byte *)pBuffer;
dataChunk.BufferLength = (uint)s_chunkTerminator.Length;
pDataChunk = &dataChunk;
}
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(pDataChunk, null, flags, false);
}
else
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
}
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
pDataChunk != null ? (ushort)1 : (ushort)0,
pDataChunk,
null,
SafeLocalAllocHandle.Zero,
0,
null,
null);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
}
if (_httpContext.Listener.IgnoreWriteExceptions)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Suppressing error");
}
statusCode = Interop.HttpApi.ERROR_SUCCESS;
}
}
}
}
else
{
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(null, null, flags, false);
}
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(this, exception.ToString());
}
_httpContext.Abort();
throw exception;
}
_leftToWrite = 0;
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
}
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));
}
Interop.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (_closed || (size == 0 && _leftToWrite != 0))
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
HttpResponseStreamAsyncResult result = new HttpResponseStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return(result);
}
if (_leftToWrite >= 0 && size > _leftToWrite)
{
throw new ProtocolViolationException(SR.net_entitytoobig);
}
uint statusCode;
uint bytesSent = 0;
flags |= _leftToWrite == size ? Interop.HttpApi.HTTP_FLAGS.NONE : Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
bool sentHeaders = _httpContext.Response.SentHeaders;
HttpResponseStreamAsyncResult asyncResult = new HttpResponseStreamAsyncResult(this, state, callback, buffer, offset, size, _httpContext.Response.BoundaryType == BoundaryType.Chunked, sentHeaders, _httpContext.RequestQueueBoundHandle);
// Update m_LeftToWrite now so we can queue up additional BeginWrite's without waiting for EndWrite.
UpdateAfterWrite((uint)((_httpContext.Response.BoundaryType == BoundaryType.Chunked) ? 0 : size));
try
{
if (!sentHeaders)
{
statusCode = _httpContext.Response.SendHeaders(null, asyncResult, flags, false);
}
else
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Calling Interop.HttpApi.HttpSendResponseEntityBody");
}
statusCode =
Interop.HttpApi.HttpSendResponseEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
(uint)flags,
asyncResult.dataChunkCount,
asyncResult.pDataChunks,
&bytesSent,
SafeLocalAllocHandle.Zero,
0,
asyncResult._pOverlapped,
null);
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
}
}
}
catch (Exception e)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, e.ToString());
}
asyncResult.InternalCleanup();
_closed = true;
_httpContext.Abort();
throw;
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (_httpContext.Listener.IgnoreWriteExceptions && sentHeaders)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "BeginWrite() Suppressing error");
}
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, exception.ToString());
}
_closed = true;
_httpContext.Abort();
throw exception;
}
}
if (statusCode == Interop.HttpApi.ERROR_SUCCESS && HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
asyncResult.IOCompleted(statusCode, bytesSent);
}
// Last write, cache it for special cancelation handling.
if ((flags & Interop.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA) == 0)
{
_lastWrite = asyncResult;
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
return(asyncResult);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (NetEventSource.IsEnabled) NetEventSource.Enter(this);
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
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));
}
if (size == 0 || _closed)
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
HttpRequestStreamAsyncResult result = new HttpRequestStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return result;
}
HttpRequestStreamAsyncResult asyncResult = null;
uint dataRead = 0;
if (_dataChunkIndex != -1)
{
dataRead = Interop.HttpApi.GetChunks(_httpContext.Request.RequestBuffer, _httpContext.Request.OriginalBlobAddress, ref _dataChunkIndex, ref _dataChunkOffset, buffer, offset, size);
if (_dataChunkIndex != -1 && dataRead == size)
{
asyncResult = new HttpRequestStreamAsyncResult(_httpContext.RequestQueueBoundHandle, this, state, callback, buffer, offset, (uint)size, 0);
asyncResult.InvokeCallback(dataRead);
}
}
if (_dataChunkIndex == -1 && dataRead < size)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "size:" + size + " offset:" + offset);
uint statusCode = 0;
offset += (int)dataRead;
size -= (int)dataRead;
//the http.sys team recommends that we limit the size to 128kb
if (size > MaxReadSize)
{
size = MaxReadSize;
}
asyncResult = new HttpRequestStreamAsyncResult(_httpContext.RequestQueueBoundHandle, this, state, callback, buffer, offset, (uint)size, dataRead);
uint bytesReturned;
try
{
fixed (byte* pBuffer = buffer)
{
// issue unmanaged blocking call
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Calling Interop.HttpApi.HttpReceiveRequestEntityBody");
uint flags = 0;
if (!_inOpaqueMode)
{
flags = (uint)Interop.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY;
}
statusCode =
Interop.HttpApi.HttpReceiveRequestEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
flags,
asyncResult._pPinnedBuffer,
(uint)size,
out bytesReturned,
asyncResult._pOverlapped);
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Call to Interop.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
}
catch (Exception e)
{
if (NetEventSource.IsEnabled) NetEventSource.Error(this, e.ToString());
asyncResult.InternalCleanup();
throw;
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (statusCode == Interop.HttpApi.ERROR_HANDLE_EOF)
{
asyncResult = new HttpRequestStreamAsyncResult(this, state, callback, dataRead);
asyncResult.InvokeCallback((uint)0);
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, exception.ToString());
asyncResult.InternalCleanup();
throw exception;
}
}
else if (statusCode == Interop.HttpApi.ERROR_SUCCESS &&
HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
asyncResult.IOCompleted(statusCode, bytesReturned);
}
}
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
return asyncResult;
}
public override int Read([In, Out] byte[] buffer, int offset, int size)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
NetEventSource.Info(this, "size:" + size + " offset:" + offset);
}
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));
}
if (size == 0 || _closed)
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this, "dataRead:0");
return 0;
}
uint dataRead = 0;
if (_dataChunkIndex != -1)
{
dataRead = Interop.HttpApi.GetChunks(_httpContext.Request.RequestBuffer, _httpContext.Request.OriginalBlobAddress, ref _dataChunkIndex, ref _dataChunkOffset, buffer, offset, size);
}
if (_dataChunkIndex == -1 && dataRead < size)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "size:" + size + " offset:" + offset);
uint statusCode = 0;
uint extraDataRead = 0;
offset += (int)dataRead;
size -= (int)dataRead;
//the http.sys team recommends that we limit the size to 128kb
if (size > MaxReadSize)
{
size = MaxReadSize;
}
fixed (byte* pBuffer = buffer)
{
// issue unmanaged blocking call
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Calling Interop.HttpApi.HttpReceiveRequestEntityBody");
uint flags = 0;
if (!_inOpaqueMode)
{
flags = (uint)Interop.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY;
}
statusCode =
Interop.HttpApi.HttpReceiveRequestEntityBody(
_httpContext.RequestQueueHandle,
_httpContext.RequestId,
flags,
(void*)(pBuffer + offset),
(uint)size,
out extraDataRead,
null);
dataRead += extraDataRead;
if (NetEventSource.IsEnabled) NetEventSource.Info(this, "Call to Interop.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
if (statusCode != Interop.HttpApi.ERROR_SUCCESS && statusCode != Interop.HttpApi.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, exception.ToString());
throw exception;
}
UpdateAfterRead(statusCode, dataRead);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.DumpBuffer(this, buffer, offset, (int)dataRead);
NetEventSource.Info(this, "returning dataRead:" + dataRead);
NetEventSource.Exit(this, "dataRead:" + dataRead);
}
return (int)dataRead;
}
