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);
}
public IAsyncResult BeginGetContext(AsyncCallback callback, object state)
{
if (NetEventSource.IsEnabled) NetEventSource.Enter(this);
ListenerAsyncResult asyncResult = null;
try
{
CheckDisposed();
if (_state == State.Stopped)
{
throw new InvalidOperationException(SR.Format(SR.net_listener_mustcall, "Start()"));
}
// prepare the ListenerAsyncResult object (this will have it's own
// event that the user can wait on for IO completion - which means we
// need to signal it when IO completes)
asyncResult = new ListenerAsyncResult(this, state, callback);
uint statusCode = asyncResult.QueueBeginGetContext();
if (statusCode != Interop.HttpApi.ERROR_SUCCESS &&
statusCode != Interop.HttpApi.ERROR_IO_PENDING)
{
// someother bad error, return values are:
// ERROR_INVALID_HANDLE, ERROR_INSUFFICIENT_BUFFER, ERROR_OPERATION_ABORTED
throw new HttpListenerException((int)statusCode);
}
}
catch (Exception exception)
{
if (NetEventSource.IsEnabled) NetEventSource.Error(this, $"BeginGetContext {exception}");
throw;
}
finally
{
if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
}
return asyncResult;
}
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);
}
public IAsyncResult BeginGetContext(AsyncCallback callback, object state)
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "BeginGetContext", "");
}
ListenerAsyncResult objectValue = null;
try
{
this.CheckDisposed();
if (this.m_State == null)
{
throw new InvalidOperationException(SR.GetString("net_listener_mustcall", new object[] { "Start()" }));
}
objectValue = new ListenerAsyncResult(this, state, callback);
uint num = objectValue.QueueBeginGetContext();
if ((num != 0) && (num != 0x3e5))
{
throw new HttpListenerException((int) num);
}
}
catch (Exception exception)
{
if (Logging.On)
{
Logging.Exception(Logging.HttpListener, this, "BeginGetContext", exception);
}
throw;
}
finally
{
if (Logging.On)
{
Logging.Enter(Logging.HttpListener, this, "BeginGetContext", "IAsyncResult#" + ValidationHelper.HashString(objectValue));
}
}
return objectValue;
}
public IAsyncResult BeginGetContext(AsyncCallback callback, object state) {
if(Logging.On)Logging.Enter(Logging.HttpListener, this, "BeginGetContext", "");
ListenerAsyncResult asyncResult = null;
try {
CheckDisposed();
if (m_State==State.Stopped) {
throw new InvalidOperationException(SR.GetString(SR.net_listener_mustcall, "Start()"));
}
// prepare the ListenerAsyncResult object (this will have it's own
// event that the user can wait on for IO completion - which means we
// need to signal it when IO completes)
asyncResult = new ListenerAsyncResult(this, state, callback);
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
throw new HttpListenerException((int)statusCode);
}
} catch (Exception exception) {
if(Logging.On)Logging.Exception(Logging.HttpListener, this, "BeginGetContext", exception);
throw;
} finally {
if(Logging.On)Logging.Enter(Logging.HttpListener, this, "BeginGetContext", "IAsyncResult#" + ValidationHelper.HashString(asyncResult));
}
return asyncResult;
}
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);
}
