private static unsafe void WaitCallback(uint errorCode, uint numBytes, NativeOverlapped *nativeOverlapped)
{
ListenerAsyncResult asyncResult = (ListenerAsyncResult)Overlapped.Unpack(nativeOverlapped).AsyncResult;
object result = null;
try
{
if ((errorCode != 0) && (errorCode != 0xea))
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
HttpListener asyncObject = asyncResult.AsyncObject as HttpListener;
if (errorCode == 0)
{
bool stoleBlob = false;
try
{
result = asyncObject.HandleAuthentication(asyncResult.m_RequestContext, out stoleBlob);
}
finally
{
if (stoleBlob)
{
asyncResult.m_RequestContext = (result == null) ? new AsyncRequestContext(asyncResult) : null;
}
else
{
asyncResult.m_RequestContext.Reset(0L, 0);
}
}
}
else
{
asyncResult.m_RequestContext.Reset(asyncResult.m_RequestContext.RequestBlob.RequestId, numBytes);
}
if (result == null)
{
uint num = asyncResult.QueueBeginGetContext();
if ((num != 0) && (num != 0x3e5))
{
result = new HttpListenerException((int)num);
}
}
if (result == null)
{
return;
}
}
}
catch (Exception exception)
{
if (NclUtilities.IsFatal(exception))
{
throw;
}
result = exception;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(ListenerAsyncResult asyncResult, uint errorCode, uint numBytes)
{
object result = null;
try
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, $"errorCode:[{errorCode}] numBytes:[{numBytes}]");
}
if (errorCode != Interop.HttpApi.ERROR_SUCCESS &&
errorCode != Interop.HttpApi.ERROR_MORE_DATA)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
HttpListener httpWebListener = asyncResult.AsyncObject as HttpListener;
if (errorCode == Interop.HttpApi.ERROR_SUCCESS)
{
// at this point we have received an unmanaged HTTP_REQUEST and memoryBlob
// points to it we need to hook up our authentication handling code here.
bool stoleBlob = false;
try
{
if (httpWebListener.ValidateRequest(asyncResult._requestContext))
{
result = httpWebListener.HandleAuthentication(asyncResult._requestContext, out stoleBlob);
}
}
finally
{
if (stoleBlob)
{
// The request has been handed to the user, which means this code can't reuse the blob. Reset it here.
asyncResult._requestContext = result == null ? new AsyncRequestContext(httpWebListener.RequestQueueBoundHandle, asyncResult) : null;
}
else
{
asyncResult._requestContext.Reset(httpWebListener.RequestQueueBoundHandle, 0, 0);
}
}
}
else
{
asyncResult._requestContext.Reset(httpWebListener.RequestQueueBoundHandle, asyncResult._requestContext.RequestBlob->RequestId, numBytes);
}
// We need to issue a new request, either because auth failed, or because our buffer was too small the first time.
if (result == null)
{
uint statusCode = asyncResult.QueueBeginGetContext();
if (statusCode != Interop.HttpApi.ERROR_SUCCESS &&
statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
// someother bad error, possible return values are:
// ERROR_INVALID_HANDLE, ERROR_INSUFFICIENT_BUFFER, ERROR_OPERATION_ABORTED
result = new HttpListenerException((int)statusCode);
}
}
if (result == null)
{
return;
}
}
// complete the async IO and invoke the callback
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, "Calling Complete()");
}
}
catch (Exception exception) when(!ExceptionCheck.IsFatal(exception))
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, $"Caught exception: {exception}");
}
result = exception;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(ListenerAsyncResult asyncResult, uint errorCode, uint numBytes)
{
object result = null;
try
{
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() errorCode:[" + errorCode.ToString() + "] numBytes:[" + numBytes.ToString() + "]");
if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_MORE_DATA)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
HttpListener httpWebListener = asyncResult.AsyncObject as HttpListener;
if (errorCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS)
{
// at this point we have received an unmanaged HTTP_REQUEST and memoryBlob
// points to it we need to hook up our authentication handling code here.
bool stoleBlob = false;
try
{
if (httpWebListener.ValidateRequest(asyncResult.m_RequestContext))
{
result = httpWebListener.HandleAuthentication(asyncResult.m_RequestContext, out stoleBlob);
}
}
finally
{
if (stoleBlob)
{
// The request has been handed to the user, which means this code can't reuse the blob. Reset it here.
asyncResult.m_RequestContext = result == null ? new AsyncRequestContext(asyncResult) : null;
}
else
{
asyncResult.m_RequestContext.Reset(0, 0);
}
}
}
else
{
asyncResult.m_RequestContext.Reset(asyncResult.m_RequestContext.RequestBlob->RequestId, numBytes);
}
// We need to issue a new request, either because auth failed, or because our buffer was too small the first time.
if (result==null)
{
uint statusCode = asyncResult.QueueBeginGetContext();
if (statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_IO_PENDING)
{
// someother bad error, possible(?) return values are:
// ERROR_INVALID_HANDLE, ERROR_INSUFFICIENT_BUFFER, ERROR_OPERATION_ABORTED
result = new HttpListenerException((int)statusCode);
}
}
if (result==null) {
return;
}
}
// complete the async IO and invoke the callback
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() calling Complete()");
}
catch (Exception exception)
{
if (NclUtilities.IsFatal(exception)) throw;
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() Caught exception:" + exception.ToString());
result = exception;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(ListenerAsyncResult asyncResult, uint errorCode, uint numBytes)
{
object result = null;
try
{
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() errorCode:[" + errorCode.ToString() + "] numBytes:[" + numBytes.ToString() + "]");
if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_MORE_DATA)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
HttpListener httpWebListener = asyncResult.AsyncObject as HttpListener;
if (errorCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS)
{
// at this point we have received an unmanaged HTTP_REQUEST and memoryBlob
// points to it we need to hook up our authentication handling code here.
bool stoleBlob = false;
try
{
if (httpWebListener.ValidateRequest(asyncResult.m_RequestContext))
{
result = httpWebListener.HandleAuthentication(asyncResult.m_RequestContext, out stoleBlob);
}
}
finally
{
if (stoleBlob)
{
// The request has been handed to the user, which means this code can't reuse the blob. Reset it here.
asyncResult.m_RequestContext = result == null ? new AsyncRequestContext(asyncResult) : null;
}
else
{
asyncResult.m_RequestContext.Reset(0, 0);
}
}
}
else
{
asyncResult.m_RequestContext.Reset(asyncResult.m_RequestContext.RequestBlob->RequestId, numBytes);
}
// We need to issue a new request, either because auth failed, or because our buffer was too small the first time.
if (result == null)
{
uint statusCode = asyncResult.QueueBeginGetContext();
if (statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS &&
statusCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_IO_PENDING)
{
// someother bad error, possible(?) return values are:
// ERROR_INVALID_HANDLE, ERROR_INSUFFICIENT_BUFFER, ERROR_OPERATION_ABORTED
result = new HttpListenerException((int)statusCode);
}
}
if (result == null)
{
return;
}
}
// complete the async IO and invoke the callback
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() calling Complete()");
}
catch (Exception exception)
{
if (NclUtilities.IsFatal(exception))
{
throw;
}
GlobalLog.Print("ListenerAsyncResult#" + ValidationHelper.HashString(asyncResult) + "::WaitCallback() Caught exception:" + exception.ToString());
result = exception;
}
asyncResult.InvokeCallback(result);
}
private static void IOCompleted(ListenerAsyncResult asyncResult, uint errorCode, uint numBytes)
{
object result = null;
try
{
if (NetEventSource.IsEnabled) NetEventSource.Info(null, $"errorCode:[{errorCode}] numBytes:[{numBytes}]");
if (errorCode != Interop.HttpApi.ERROR_SUCCESS &&
errorCode != Interop.HttpApi.ERROR_MORE_DATA)
{
asyncResult.ErrorCode = (int)errorCode;
result = new HttpListenerException((int)errorCode);
}
else
{
HttpListener httpWebListener = asyncResult.AsyncObject as HttpListener;
if (errorCode == Interop.HttpApi.ERROR_SUCCESS)
{
// at this point we have received an unmanaged HTTP_REQUEST and memoryBlob
// points to it we need to hook up our authentication handling code here.
bool stoleBlob = false;
try
{
if (httpWebListener.ValidateRequest(asyncResult._requestContext))
{
result = httpWebListener.HandleAuthentication(asyncResult._requestContext, out stoleBlob);
}
}
finally
{
if (stoleBlob)
{
// The request has been handed to the user, which means this code can't reuse the blob. Reset it here.
asyncResult._requestContext = result == null ? new AsyncRequestContext(httpWebListener.RequestQueueBoundHandle, asyncResult) : null;
}
else
{
asyncResult._requestContext.Reset(httpWebListener.RequestQueueBoundHandle, 0, 0);
}
}
}
else
{
asyncResult._requestContext.Reset(httpWebListener.RequestQueueBoundHandle, asyncResult._requestContext.RequestBlob->RequestId, numBytes);
}
// We need to issue a new request, either because auth failed, or because our buffer was too small the first time.
if (result == null)
{
uint statusCode = asyncResult.QueueBeginGetContext();
if (statusCode != Interop.HttpApi.ERROR_SUCCESS &&
statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
// someother bad error, possible return values are:
// ERROR_INVALID_HANDLE, ERROR_INSUFFICIENT_BUFFER, ERROR_OPERATION_ABORTED
result = new HttpListenerException((int)statusCode);
}
}
if (result == null)
{
return;
}
}
// complete the async IO and invoke the callback
if (NetEventSource.IsEnabled) NetEventSource.Info(null, "Calling Complete()");
}
catch (Exception exception) when (!ExceptionCheck.IsFatal(exception))
{
if (NetEventSource.IsEnabled) NetEventSource.Info(null, $"Caught exception: {exception}");
result = exception;
}
asyncResult.InvokeCallback(result);
}
WaitCallback(
Object state,
bool signaled)
{
GlobalLog.Print("entering the WaitCallback()");
//
// take the ListenerAsyncResult object from the state
//
ListenerAsyncResult AResult = ( ListenerAsyncResult )state;
GlobalLog.Print("got the AResult object");
bool syncComplete = AResult.CompletedSynchronously;
if (!syncComplete)
{
//
// we've been called by the thread, the event was signaled
// call HackedGetOverlappedResult() to find out about the IO
//
GlobalLog.Print("WaitCallback()!call didn't complete sync calling HackedGetOverlappedResult():");
AResult.m_BytesReturned =
Win32.HackedGetOverlappedResult(
AResult.m_Overlapped);
if (AResult.m_BytesReturned <= 0)
{
//
// something went wrong throw for now, later we should
// call into ul call again
//
throw new InvalidOperationException("UlReceiveHttpRequest(callback) failure m_BytesReturned:" + Convert.ToString(AResult.m_BytesReturned));
}
if (AResult.m_BufferSize < AResult.m_BytesReturned)
{
//
// this is anlogous to the syncronous case in which we get
// result == NativeMethods.ERROR_MORE_DATA
// basically the buffer is not big enought to accomodate the
// reqeust that came in, so grow it to the needed size, copy
// the valid data, and reissue the async call and queue it
// up to the ThreadPool
//
throw new InvalidOperationException("UlReceiveHttpRequest(callback) buffer too small, was:" + Convert.ToString(AResult.m_BufferSize) + " should be:" + Convert.ToString(AResult.m_BytesReturned));
}
}
GlobalLog.Print("WaitCallback()!I/O status is"
+ " AResult.m_BytesReturned: " + Convert.ToString(AResult.m_BytesReturned)
+ " AResult.m_Overlapped: " + Convert.ToString(AResult.m_Overlapped)
+ " AResult.m_SyncComplete: " + Convert.ToString(AResult.CompletedSynchronously));
//
// complete the async IO and invoke the callback
//
AResult.InvokeCallback(syncComplete, new HttpListenerWebRequest(AResult.m_Buffer, AResult.m_BytesReturned, m_AppPoolHandle));
return;
} // WaitCallback()
