private static unsafe void Callback(uint errorCode, uint numBytes, NativeOverlapped *nativeOverlapped)
{
HttpRequestStream.HttpRequestStreamAsyncResult asyncResult = Overlapped.Unpack(nativeOverlapped).AsyncResult as HttpRequestStream.HttpRequestStreamAsyncResult;
object result = null;
try
{
if ((errorCode != 0) && (errorCode != 0x26))
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
result = numBytes;
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", (IntPtr)asyncResult.m_pPinnedBuffer, (int)numBytes);
}
}
}
catch (Exception exception)
{
result = exception;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(HttpRequestStreamAsyncResult asyncResult, uint errorCode, uint numBytes)
{
GlobalLog.Print("HttpRequestStreamAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::Callback() errorCode:0x" + errorCode.ToString("x8") + " numBytes:" + numBytes);
object result = null;
try {
if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS && errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_HANDLE_EOF)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
result = numBytes;
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", (IntPtr)asyncResult.m_pPinnedBuffer, (int)numBytes);
}
}
GlobalLog.Print("HttpRequestStreamAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::Callback() calling Complete()");
}
catch (Exception e) {
result = e;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(HttpResponseStreamAsyncResult asyncResult, uint errorCode, uint numBytes)
{
GlobalLog.Print("HttpResponseStreamAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::Callback() errorCode:0x" + errorCode.ToString("x8") + " numBytes:" + numBytes);
object result = null;
try {
if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS && errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_HANDLE_EOF)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
// if we sent headers and body together, numBytes will be the total, but we need to only account for the data
// result = numBytes;
if (asyncResult.m_DataChunks == null)
{
result = (uint)0;
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", IntPtr.Zero, 0);
}
}
else
{
result = asyncResult.m_DataChunks.Length == 1 ? asyncResult.m_DataChunks[0].BufferLength : 0;
if (Logging.On)
{
for (int i = 0; i < asyncResult.m_DataChunks.Length; i++)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", (IntPtr)asyncResult.m_DataChunks[0].pBuffer, (int)asyncResult.m_DataChunks[0].BufferLength);
}
}
}
}
GlobalLog.Print("HttpResponseStreamAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::Callback() calling Complete()");
}
catch (Exception e) {
result = e;
}
asyncResult.InvokeCallback(result);
}
private static unsafe void Callback(uint errorCode, uint numBytes, NativeOverlapped *nativeOverlapped)
{
HttpResponseStreamAsyncResult asyncResult = Overlapped.Unpack(nativeOverlapped).AsyncResult as HttpResponseStreamAsyncResult;
object result = null;
try
{
if ((errorCode != 0) && (errorCode != 0x26))
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else if (asyncResult.m_DataChunks == null)
{
result = 0;
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", IntPtr.Zero, 0);
}
}
else
{
result = (asyncResult.m_DataChunks.Length == 1) ? ((object)asyncResult.m_DataChunks[0].BufferLength) : ((object)0);
if (Logging.On)
{
for (int i = 0; i < asyncResult.m_DataChunks.Length; i++)
{
Logging.Dump(Logging.HttpListener, asyncResult, "Callback", (IntPtr)asyncResult.m_DataChunks[0].pBuffer, (int)asyncResult.m_DataChunks[0].BufferLength);
}
}
}
}
catch (Exception exception)
{
result = exception;
}
asyncResult.InvokeCallback(result);
}
public override void Write(byte[] buffer, int offset, int size)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Write", "");
}
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Write() buffer.Length:" + buffer.Length + " size:" + size + " offset:" + offset);
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0 || size > buffer.Length - offset)
{
throw new ArgumentOutOfRangeException("size");
}
UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (m_Closed || (size == 0 && m_LeftToWrite != 0))
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Write", "");
}
return;
}
if (m_LeftToWrite >= 0 && size > m_LeftToWrite)
{
throw new ProtocolViolationException(SR.GetString(SR.net_entitytoobig));
}
uint statusCode;
uint dataToWrite = (uint)size;
SafeLocalFree bufferAsIntPtr = null;
IntPtr pBufferAsIntPtr = IntPtr.Zero;
bool sentHeaders = m_HttpContext.Response.SentHeaders;
try {
if (size == 0)
{
statusCode = m_HttpContext.Response.SendHeaders(null, null, flags, false);
}
else
{
fixed(byte *pDataBuffer = buffer)
{
byte *pBuffer = pDataBuffer;
if (m_HttpContext.Response.BoundaryType == BoundaryType.Chunked)
{
//
string chunkHeader = size.ToString("x", CultureInfo.InvariantCulture);
dataToWrite = dataToWrite + (uint)(chunkHeader.Length + 4);
bufferAsIntPtr = SafeLocalFree.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, IntPtrHelper.Add(pBufferAsIntPtr, chunkHeader.Length + 2), size);
Marshal.WriteInt16(pBufferAsIntPtr, (int)(dataToWrite - 2), 0x0A0D);
pBuffer = (byte *)pBufferAsIntPtr;
offset = 0;
}
UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK dataChunk = new UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK();
dataChunk.DataChunkType = UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory;
dataChunk.pBuffer = (byte *)(pBuffer + offset);
dataChunk.BufferLength = dataToWrite;
flags |= m_LeftToWrite == size ? UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.NONE : UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
if (!sentHeaders)
{
statusCode = m_HttpContext.Response.SendHeaders(&dataChunk, null, flags, false);
}
else
{
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Write() calling UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody");
statusCode =
UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody(
m_HttpContext.RequestQueueHandle,
m_HttpContext.RequestId,
(uint)flags,
1,
&dataChunk,
null,
SafeLocalFree.Zero,
0,
null,
null);
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Write() call to UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
if (m_HttpContext.Listener.IgnoreWriteExceptions)
{
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Write() suppressing error");
statusCode = UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS;
}
}
}
}
}
finally {
if (bufferAsIntPtr != null)
{
// free unmanaged buffer
bufferAsIntPtr.Close();
}
}
if (statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS && statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "Write", exception);
}
m_Closed = true;
m_HttpContext.Abort();
throw exception;
}
UpdateAfterWrite(dataToWrite);
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, this, "Write", buffer, offset, (int)dataToWrite);
}
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Write", "");
}
}
public override unsafe int Read([In, Out] byte[] buffer, int offset, int size)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Read", "");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if ((offset < 0) || (offset > buffer.Length))
{
throw new ArgumentOutOfRangeException("offset");
}
if ((size < 0) || (size > (buffer.Length - offset)))
{
throw new ArgumentOutOfRangeException("size");
}
if ((size == 0) || this.m_Closed)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Read", "dataRead:0");
}
return(0);
}
uint dataRead = 0;
if (this.m_DataChunkIndex != -1)
{
dataRead = UnsafeNclNativeMethods.HttpApi.GetChunks(this.m_HttpContext.Request.RequestBuffer, this.m_HttpContext.Request.OriginalBlobAddress, ref this.m_DataChunkIndex, ref this.m_DataChunkOffset, buffer, offset, size);
}
if ((this.m_DataChunkIndex == -1) && (dataRead < size))
{
uint statusCode = 0;
uint pBytesReturned = 0;
offset += (int)dataRead;
size -= (int)dataRead;
if (size > 0x20000)
{
size = 0x20000;
}
fixed(byte *numRef = buffer)
{
statusCode = UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody(this.m_HttpContext.RequestQueueHandle, this.m_HttpContext.RequestId, 1, (void *)(numRef + offset), (uint)size, &pBytesReturned, null);
dataRead += pBytesReturned;
}
switch (statusCode)
{
case 0:
case 0x26:
this.UpdateAfterRead(statusCode, dataRead);
break;
default:
{
Exception e = new HttpListenerException((int)statusCode);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "Read", e);
}
throw e;
}
}
}
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, this, "Read", buffer, offset, (int)dataRead);
}
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Read", "dataRead:" + dataRead);
}
return((int)dataRead);
}
public override unsafe void Write(byte[] buffer, int offset, int size)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Write", "");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if ((offset < 0) || (offset > buffer.Length))
{
throw new ArgumentOutOfRangeException("offset");
}
if ((size < 0) || (size > (buffer.Length - offset)))
{
throw new ArgumentOutOfRangeException("size");
}
UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS flags = this.ComputeLeftToWrite();
if (this.m_Closed || ((size == 0) && (this.m_LeftToWrite != 0L)))
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Write", "");
}
}
else
{
uint num;
if ((this.m_LeftToWrite >= 0L) && (size > this.m_LeftToWrite))
{
throw new ProtocolViolationException(SR.GetString("net_entitytoobig"));
}
uint dataWritten = (uint)size;
SafeLocalFree free = null;
IntPtr zero = IntPtr.Zero;
bool sentHeaders = this.m_HttpContext.Response.SentHeaders;
try
{
if (size == 0)
{
num = this.m_HttpContext.Response.SendHeaders(null, null, flags);
}
else
{
try
{
byte[] buffer2;
if (((buffer2 = buffer) == null) || (buffer2.Length == 0))
{
numRef = null;
goto Label_0109;
}
fixed(byte *numRef = buffer2)
{
byte *numPtr;
Label_0109:
numPtr = numRef;
if (this.m_HttpContext.Response.BoundaryType == BoundaryType.Chunked)
{
string str = size.ToString("x", CultureInfo.InvariantCulture);
dataWritten += (uint)(str.Length + 4);
free = SafeLocalFree.LocalAlloc((int)dataWritten);
zero = free.DangerousGetHandle();
for (int i = 0; i < str.Length; i++)
{
Marshal.WriteByte(zero, i, (byte)str[i]);
}
Marshal.WriteInt16(zero, str.Length, (short)0xa0d);
Marshal.Copy(buffer, offset, IntPtrHelper.Add(zero, str.Length + 2), size);
Marshal.WriteInt16(zero, ((int)dataWritten) - 2, (short)0xa0d);
numPtr = (byte *)zero;
offset = 0;
}
UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK pDataChunk = new UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK {
DataChunkType = UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory,
pBuffer = numPtr + offset,
BufferLength = dataWritten
};
flags |= (this.m_LeftToWrite == size) ? UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.NONE : UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_MORE_DATA;
if (!sentHeaders)
{
num = this.m_HttpContext.Response.SendHeaders(&pDataChunk, null, flags);
}
else
{
num = UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody(this.m_HttpContext.RequestQueueHandle, this.m_HttpContext.RequestId, (uint)flags, 1, &pDataChunk, null, SafeLocalFree.Zero, 0, null, null);
if (this.m_HttpContext.Listener.IgnoreWriteExceptions)
{
num = 0;
}
}
}
}
finally
{
numRef = null;
}
}
}
finally
{
if (free != null)
{
free.Close();
}
}
switch (num)
{
case 0:
case 0x26:
this.UpdateAfterWrite(dataWritten);
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, this, "Write", buffer, offset, (int)dataWritten);
}
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Write", "");
}
return;
}
Exception e = new HttpListenerException((int)num);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "Write", e);
}
this.m_HttpContext.Abort();
throw e;
}
}
public override int Read([In, Out] byte[] buffer, int offset, int size)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Read", "");
}
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::Read() size:" + size + " offset:" + offset);
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0 || size > buffer.Length - offset)
{
throw new ArgumentOutOfRangeException("size");
}
if (size == 0 || m_Closed)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Read", "dataRead:0");
}
return(0);
}
uint dataRead = 0;
if (m_DataChunkIndex != -1)
{
dataRead = UnsafeNclNativeMethods.HttpApi.GetChunks(m_HttpContext.Request.RequestBuffer, m_HttpContext.Request.OriginalBlobAddress, ref m_DataChunkIndex, ref m_DataChunkOffset, buffer, offset, size);
}
if (m_DataChunkIndex == -1 && dataRead < size)
{
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::Read() 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
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::Read() calling UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody");
uint flags = 0;
if (!m_InOpaqueMode)
{
flags = (uint)UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY;
}
statusCode =
UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody(
m_HttpContext.RequestQueueHandle,
m_HttpContext.RequestId,
flags,
(void *)(pBuffer + offset),
(uint)size,
out extraDataRead,
null);
dataRead += extraDataRead;
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::Read() call to UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
if (statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS && statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_HANDLE_EOF)
{
Exception exception = new HttpListenerException((int)statusCode);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "Read", exception);
}
throw exception;
}
UpdateAfterRead(statusCode, dataRead);
}
if (Logging.On)
{
Logging.Dump(Logging.HttpListener, this, "Read", buffer, offset, (int)dataRead);
}
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::Read() returning dataRead:" + dataRead);
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Read", "dataRead:" + dataRead);
}
return((int)dataRead);
}
