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private Enter ( |
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| traceSource | ||
| obj | object | |
| method | string | |
| paramObject | object | |
| 리턴 | void | |
public override unsafe IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "BeginRead", "");
}
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, "BeginRead", "");
}
HttpRequestStreamAsyncResult result = new HttpRequestStreamAsyncResult(this, state, callback);
result.InvokeCallback(0);
return(result);
}
HttpRequestStreamAsyncResult result2 = null;
uint num = 0;
if (this.m_DataChunkIndex != -1)
{
num = 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) && (num == size))
{
result2 = new HttpRequestStreamAsyncResult(this, state, callback, buffer, offset, (uint)size, 0);
result2.InvokeCallback(num);
}
}
if ((this.m_DataChunkIndex == -1) && (num < size))
{
uint num2 = 0;
offset += (int)num;
size -= (int)num;
if (size > 0x20000)
{
size = 0x20000;
}
result2 = new HttpRequestStreamAsyncResult(this, state, callback, buffer, offset, (uint)size, num);
try
{
byte[] buffer2 = buffer;
if (buffer2 != null)
{
int length = buffer2.Length;
}
this.m_HttpContext.EnsureBoundHandle();
num2 = UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody(this.m_HttpContext.RequestQueueHandle, this.m_HttpContext.RequestId, 1, result2.m_pPinnedBuffer, (uint)size, null, result2.m_pOverlapped);
}
catch (Exception exception)
{
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "BeginRead", exception);
}
result2.InternalCleanup();
throw;
}
switch (num2)
{
case 0:
case 0x3e5:
goto Label_0217;
}
if (num2 == 0x26)
{
result2.m_pOverlapped.InternalLow = IntPtr.Zero;
}
result2.InternalCleanup();
if (num2 != 0x26)
{
Exception e = new HttpListenerException((int)num2);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "BeginRead", e);
}
result2.InternalCleanup();
throw e;
}
result2 = new HttpRequestStreamAsyncResult(this, state, callback, num);
result2.InvokeCallback(0);
}
Label_0217:
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "BeginRead", "");
}
return(result2);
}
// Create a WebRequest.
//
// This is the main creation routine. We take a Uri object, look
// up the Uri in the prefix match table, and invoke the appropriate
// handler to create the object. We also have a parameter that
// tells us whether or not to use the whole Uri or just the
// scheme portion of it.
//
// Input:
// requestUri - Uri object for request.
// useUriBase - True if we're only to look at the scheme portion of the Uri.
//
// Returns:
// Newly created WebRequest.
private static WebRequest Create(Uri requestUri, bool useUriBase)
{
if (Logging.On)
{
Logging.Enter(Logging.Web, "WebRequest", "Create", requestUri.ToString());
}
string LookupUri;
WebRequestPrefixElement Current = null;
bool Found = false;
if (!useUriBase)
{
LookupUri = requestUri.AbsoluteUri;
}
else
{
// schemes are registered as <schemeName>":", so add the separator
// to the string returned from the Uri object
LookupUri = requestUri.Scheme + ':';
}
int LookupLength = LookupUri.Length;
// Copy the prefix list so that if it is updated it will
// not affect us on this thread.
List <WebRequestPrefixElement> prefixList = PrefixList;
// Look for the longest matching prefix.
// Walk down the list of prefixes. The prefixes are kept longest
// first. When we find a prefix that is shorter or the same size
// as this Uri, we'll do a compare to see if they match. If they
// do we'll break out of the loop and call the creator.
for (int i = 0; i < prefixList.Count; i++)
{
Current = prefixList[i];
// See if this prefix is short enough.
if (LookupLength >= Current.Prefix.Length)
{
// It is. See if these match.
if (String.Compare(Current.Prefix,
0,
LookupUri,
0,
Current.Prefix.Length,
StringComparison.OrdinalIgnoreCase) == 0)
{
// These match. Remember that we found it and break
// out.
Found = true;
break;
}
}
}
WebRequest webRequest = null;
if (Found)
{
// We found a match, so just call the creator and return what it does.
webRequest = Current.Creator.Create(requestUri);
if (Logging.On)
{
Logging.Exit(Logging.Web, "WebRequest", "Create", webRequest);
}
return(webRequest);
}
if (Logging.On)
{
Logging.Exit(Logging.Web, "WebRequest", "Create", null);
}
// Otherwise no match, throw an exception.
throw new NotSupportedException(SR.net_unknown_prefix);
}
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 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);
}
protected override unsafe void Dispose(bool disposing)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Close", "");
}
try
{
if (!disposing)
{
goto Label_023F;
}
if (this.m_Closed)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Close", "");
}
return;
}
this.m_Closed = true;
UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS flags = this.ComputeLeftToWrite();
if (this.m_LeftToWrite > 0L)
{
throw new InvalidOperationException(SR.GetString("net_io_notenoughbyteswritten"));
}
bool sentHeaders = this.m_HttpContext.Response.SentHeaders;
if (sentHeaders && (this.m_LeftToWrite == 0L))
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Close", "");
}
return;
}
uint num = 0;
if (((this.m_HttpContext.Response.BoundaryType == BoundaryType.Chunked) || (this.m_HttpContext.Response.BoundaryType == BoundaryType.None)) && (string.Compare(this.m_HttpContext.Request.HttpMethod, "HEAD", StringComparison.OrdinalIgnoreCase) != 0))
{
if (this.m_HttpContext.Response.BoundaryType == BoundaryType.None)
{
flags |= UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_INITIALIZE_SERVER;
}
try
{
byte[] buffer;
if (((buffer = NclConstants.ChunkTerminator) == null) || (buffer.Length == 0))
{
ptrRef = null;
goto Label_0132;
}
fixed(IntPtr *ptrRef = buffer)
{
UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK *http_data_chunkPtr;
Label_0132:
http_data_chunkPtr = null;
if (this.m_HttpContext.Response.BoundaryType == BoundaryType.Chunked)
{
UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK http_data_chunk = new UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK {
DataChunkType = UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory,
pBuffer = (byte *)ptrRef,
BufferLength = (uint)NclConstants.ChunkTerminator.Length
};
http_data_chunkPtr = &http_data_chunk;
}
if (!sentHeaders)
{
num = this.m_HttpContext.Response.SendHeaders(http_data_chunkPtr, null, flags);
}
else
{
num = UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody(this.m_HttpContext.RequestQueueHandle, this.m_HttpContext.RequestId, (uint)flags, (http_data_chunkPtr != null) ? ((ushort)1) : ((ushort)0), http_data_chunkPtr, null, SafeLocalFree.Zero, 0, null, null);
if (this.m_HttpContext.Listener.IgnoreWriteExceptions)
{
num = 0;
}
}
goto Label_01F6;
}
}
finally
{
ptrRef = null;
}
}
if (!sentHeaders)
{
num = this.m_HttpContext.Response.SendHeaders(null, null, flags);
}
Label_01F6:
switch (num)
{
case 0:
case 0x26:
break;
default:
{
Exception e = new HttpListenerException((int)num);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "Close", e);
}
this.m_HttpContext.Abort();
throw e;
}
}
this.m_LeftToWrite = 0L;
}
finally
{
base.Dispose(disposing);
}
Label_023F:
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Dispose", "");
}
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "BeginRead", "");
}
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::BeginRead() 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");
}
if (size == 0 || m_Closed)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "BeginRead", "");
}
HttpRequestStreamAsyncResult result = new HttpRequestStreamAsyncResult(this, state, callback);
result.InvokeCallback((uint)0);
return(result);
}
HttpRequestStreamAsyncResult asyncResult = null;
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)
{
asyncResult = new HttpRequestStreamAsyncResult(this, state, callback, buffer, offset, (uint)size, 0);
asyncResult.InvokeCallback(dataRead);
}
}
if (m_DataChunkIndex == -1 && dataRead < size)
{
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::BeginRead() 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(this, state, callback, buffer, offset, (uint)size, dataRead);
uint bytesReturned;
try
{
fixed(byte *pBuffer = buffer)
{
// issue unmanaged blocking call
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::BeginRead() calling UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody");
m_HttpContext.EnsureBoundHandle();
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,
asyncResult.m_pPinnedBuffer,
(uint)size,
out bytesReturned,
asyncResult.m_pOverlapped);
GlobalLog.Print("HttpRequestStream#" + ValidationHelper.HashString(this) + "::BeginRead() call to UnsafeNclNativeMethods.HttpApi.HttpReceiveRequestEntityBody returned:" + statusCode + " dataRead:" + dataRead);
}
}
catch (Exception e) {
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "BeginRead", e);
}
asyncResult.InternalCleanup();
throw;
}
if (statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS && statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_IO_PENDING)
{
asyncResult.InternalCleanup();
if (statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_HANDLE_EOF)
{
asyncResult = new HttpRequestStreamAsyncResult(this, state, callback, dataRead);
asyncResult.InvokeCallback((uint)0);
}
else
{
Exception exception = new HttpListenerException((int)statusCode);
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "BeginRead", exception);
}
asyncResult.InternalCleanup();
throw exception;
}
}
else if (statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
asyncResult.IOCompleted(statusCode, bytesReturned);
}
}
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "BeginRead", "");
}
return(asyncResult);
}
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);
}
protected override void Dispose(bool disposing)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "Close", "");
}
try {
if (disposing)
{
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Close() m_Closed:" + m_Closed);
if (m_Closed)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Close", "");
}
return;
}
m_Closed = true;
UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS flags = ComputeLeftToWrite();
if (m_LeftToWrite > 0 && !m_InOpaqueMode)
{
throw new InvalidOperationException(SR.GetString(SR.net_io_notenoughbyteswritten));
}
bool sentHeaders = m_HttpContext.Response.SentHeaders;
if (sentHeaders && m_LeftToWrite == 0)
{
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Close", "");
}
return;
}
uint statusCode = 0;
if ((m_HttpContext.Response.BoundaryType == BoundaryType.Chunked || m_HttpContext.Response.BoundaryType == BoundaryType.None) && (String.Compare(m_HttpContext.Request.HttpMethod, "HEAD", StringComparison.OrdinalIgnoreCase) != 0))
{
if (m_HttpContext.Response.BoundaryType == BoundaryType.None)
{
flags |= UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_DISCONNECT;
}
fixed(void *pBuffer = NclConstants.ChunkTerminator)
{
UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK *pDataChunk = null;
if (m_HttpContext.Response.BoundaryType == BoundaryType.Chunked)
{
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;
dataChunk.BufferLength = (uint)NclConstants.ChunkTerminator.Length;
pDataChunk = &dataChunk;
}
if (!sentHeaders)
{
statusCode = m_HttpContext.Response.SendHeaders(pDataChunk, null, flags, false);
}
else
{
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Close() calling UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody");
statusCode =
UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody(
m_HttpContext.RequestQueueHandle,
m_HttpContext.RequestId,
(uint)flags,
pDataChunk != null ? (ushort)1 : (ushort)0,
pDataChunk,
null,
SafeLocalFree.Zero,
0,
null,
null);
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Close() call to UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody returned:" + statusCode);
if (m_HttpContext.Listener.IgnoreWriteExceptions)
{
GlobalLog.Print("HttpResponseStream#" + ValidationHelper.HashString(this) + "::Close() suppressing error");
statusCode = UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS;
}
}
}
}
else
{
if (!sentHeaders)
{
statusCode = m_HttpContext.Response.SendHeaders(null, null, flags, false);
}
}
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, "Close", exception);
}
m_HttpContext.Abort();
throw exception;
}
m_LeftToWrite = 0;
}
}
finally {
base.Dispose(disposing);
}
if (Logging.On)
{
Logging.Exit(Logging.HttpListener, this, "Dispose", "");
}
}
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", "");
}
}
