|
private Reset ( |
||
| boundHandle | ||
| requestId | ulong | |
| size | uint | |
| return | void | |
internal uint QueueBeginGetContext()
{
uint statusCode = Interop.HttpApi.ERROR_SUCCESS;
while (true)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, $"Calling Interop.HttpApi.HttpReceiveHttpRequest RequestId: {_requestContext.RequestBlob->RequestId}Buffer:0x {((IntPtr)_requestContext.RequestBlob).ToString("x")} Size: {_requestContext.Size}");
}
uint bytesTransferred = 0;
HttpListenerSession listenerSession = (HttpListenerSession)AsyncObject;
statusCode = Interop.HttpApi.HttpReceiveHttpRequest(
listenerSession.RequestQueueHandle,
_requestContext.RequestBlob->RequestId,
(uint)Interop.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY,
_requestContext.RequestBlob,
_requestContext.Size,
&bytesTransferred,
_requestContext.NativeOverlapped);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(this, "Call to Interop.HttpApi.HttpReceiveHttpRequest returned:" + statusCode);
}
if (statusCode == Interop.HttpApi.ERROR_INVALID_PARAMETER && _requestContext.RequestBlob->RequestId != 0)
{
// we might get this if somebody stole our RequestId,
// set RequestId to 0 and start all over again with the buffer we just allocated
_requestContext.RequestBlob->RequestId = 0;
continue;
}
else if (statusCode == Interop.HttpApi.ERROR_MORE_DATA)
{
// the buffer was not big enough to fit the headers, we need
// to read the RequestId returned, allocate a new buffer of the required size
_requestContext.Reset(listenerSession.RequestQueueBoundHandle, _requestContext.RequestBlob->RequestId, bytesTransferred);
continue;
}
else if (statusCode == Interop.HttpApi.ERROR_SUCCESS && HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
IOCompleted(this, statusCode, bytesTransferred);
}
break;
}
return(statusCode);
}
internal uint QueueBeginGetContext()
{
uint statusCode = UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS;
while (true)
{
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(this) + "::QueueBeginGetContext() calling UnsafeNclNativeMethods.HttpApi.HttpReceiveHttpRequest RequestId:" + m_RequestContext.RequestBlob->RequestId + " Buffer:0x" + ((IntPtr)m_RequestContext.RequestBlob).ToString("x") + " Size:" + m_RequestContext.Size.ToString());
(AsyncObject as HttpListener).EnsureBoundHandle();
uint bytesTransferred = 0;
statusCode = UnsafeNclNativeMethods.HttpApi.HttpReceiveHttpRequest(
(AsyncObject as HttpListener).RequestQueueHandle,
m_RequestContext.RequestBlob->RequestId,
(uint)UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY,
m_RequestContext.RequestBlob,
m_RequestContext.Size,
&bytesTransferred,
m_RequestContext.NativeOverlapped);
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(this) + "::QueueBeginGetContext() call to UnsafeNclNativeMethods.HttpApi.HttpReceiveHttpRequest returned:" + statusCode);
if (statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_INVALID_PARAMETER && m_RequestContext.RequestBlob->RequestId != 0)
{
// we might get this if somebody stole our RequestId,
// set RequestId to 0 and start all over again with the buffer we just allocated
//
m_RequestContext.RequestBlob->RequestId = 0;
continue;
}
else if (statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_MORE_DATA)
{
// the buffer was not big enough to fit the headers, we need
// to read the RequestId returned, allocate a new buffer of the required size
m_RequestContext.Reset(m_RequestContext.RequestBlob->RequestId, bytesTransferred);
continue;
}
else if (statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
HttpListener.SkipIOCPCallbackOnSuccess)
{
// IO operation completed synchronously - callback won't be called to signal completion.
IOCompleted(this, statusCode, bytesTransferred);
}
break;
}
return(statusCode);
}
