private static void OnRequestError(
WinHttpWebSocketState state,
Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
Debug.Assert(state != null, "OnRequestError: state is null");
var innerException = WinHttpException.CreateExceptionUsingError((int)asyncResult.dwError);
switch ((uint)asyncResult.dwResult.ToInt32())
{
case Interop.WinHttp.API_SEND_REQUEST:
case Interop.WinHttp.API_RECEIVE_RESPONSE:
{
var exception = new WebSocketException(SR.net_webstatus_ConnectFailure, innerException);
state.UpdateState(WebSocketState.Closed);
state.TcsUpgrade.TrySetException(exception);
}
break;
default:
{
Debug.Fail(
"OnRequestError: Result (" + asyncResult.dwResult + ") is not expected.",
"Error code: " + asyncResult.dwError + " (" + innerException.Message + ")");
}
break;
}
}
public void InvokeCallback(uint internetStatus, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
GCHandle pinnedAsyncResult = GCHandle.Alloc(asyncResult, GCHandleType.Pinned);
IntPtr statusInformation = pinnedAsyncResult.AddrOfPinnedObject();
uint statusInformationLength = (uint)Marshal.SizeOf <Interop.WinHttp.WINHTTP_ASYNC_RESULT>();
InvokeCallback(internetStatus, statusInformation, statusInformationLength);
pinnedAsyncResult.Free();
}
public static void TraceAsyncError(object thisOrContextObject, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult, [CallerMemberName] string?memberName = null)
{
Debug.Assert(NetEventSource.Log.IsEnabled());
uint apiIndex = (uint)asyncResult.dwResult.ToInt32();
uint error = asyncResult.dwError;
string apiName = GetNameFromApiIndex(apiIndex);
NetEventSource.Error(
thisOrContextObject,
$"api={apiName}, error={GetNameFromError(error)}({error}) \"{WinHttpException.GetErrorMessage((int)error, apiName)}\"",
memberName);
}
public static void TraceAsyncError(string message, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
if (!IsTraceEnabled())
{
return;
}
uint apiIndex = (uint)asyncResult.dwResult.ToInt32();
uint error = asyncResult.dwError;
WriteLine(
"{0}: api={1}, error={2}({3}) \"{4}\"",
message,
GetNameFromApiIndex(apiIndex),
GetNameFromError(error),
error,
WinHttpException.GetErrorMessage((int)error));
}
private static void OnRequestError(WinHttpRequestState state, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
WinHttpTraceHelper.TraceAsyncError("OnRequestError", asyncResult);
Debug.Assert(state != null, "OnRequestError: state is null");
Debug.Assert((unchecked ((int)asyncResult.dwError) != Interop.WinHttp.ERROR_INSUFFICIENT_BUFFER &&
unchecked ((int)asyncResult.dwError) != unchecked ((int)0x80090321)), // SEC_E_BUFFER_TOO_SMALL
$"Unexpected async error in WinHttpRequestCallback: {unchecked((int)asyncResult.dwError)}, WinHttp API: {unchecked((uint)asyncResult.dwResult.ToInt32())}");
Exception innerException = WinHttpException.CreateExceptionUsingError(unchecked ((int)asyncResult.dwError));
switch (unchecked ((uint)asyncResult.dwResult.ToInt32()))
{
case Interop.WinHttp.API_SEND_REQUEST:
state.LifecycleAwaitable.SetException(innerException);
break;
case Interop.WinHttp.API_RECEIVE_RESPONSE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_RESEND_REQUEST)
{
state.RetryRequest = true;
state.LifecycleAwaitable.SetResult(0);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED)
{
// WinHttp will automatically drop any client SSL certificates that we
// have pre-set into the request handle including the NULL certificate
// (which means we have no certs to send). For security reasons, we don't
// allow the certificate to be re-applied. But we need to tell WinHttp
// explicitly that we don't have any certificate to send.
Debug.Assert(state.RequestHandle != null, "OnRequestError: state.RequestHandle is null");
WinHttpHandler.SetNoClientCertificate(state.RequestHandle);
state.RetryRequest = true;
state.LifecycleAwaitable.SetResult(0);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
state.LifecycleAwaitable.SetCanceled(state.CancellationToken);
}
else
{
state.LifecycleAwaitable.SetException(innerException);
}
break;
case Interop.WinHttp.API_QUERY_DATA_AVAILABLE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's ReadAsync() call into the TrySetCanceled().
WinHttpTraceHelper.Trace("RequestCallback: QUERY_DATA_AVAILABLE - ERROR_WINHTTP_OPERATION_CANCELLED");
state.LifecycleAwaitable.SetCanceled();
}
else
{
state.LifecycleAwaitable.SetException(
new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_READ_DATA:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's ReadAsync() call into the TrySetCanceled().
WinHttpTraceHelper.Trace("RequestCallback: API_READ_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
state.LifecycleAwaitable.SetCanceled();
}
else
{
state.LifecycleAwaitable.SetException(new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_WRITE_DATA:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's WriteAsync() call into the TrySetCanceled().
WinHttpTraceHelper.Trace("RequestCallback: API_WRITE_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
state.TcsInternalWriteDataToRequestStream.TrySetCanceled();
}
else
{
state.TcsInternalWriteDataToRequestStream.TrySetException(
new IOException(SR.net_http_io_write, innerException));
}
break;
default:
Debug.Fail(
"OnRequestError: Result (" + asyncResult.dwResult + ") is not expected.",
"Error code: " + asyncResult.dwError + " (" + innerException.Message + ")");
break;
}
}
private static void OnRequestError(WinHttpRequestState state, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
Debug.Assert(state != null, "OnRequestError: state is null");
if (NetEventSource.Log.IsEnabled())
{
WinHttpTraceHelper.TraceAsyncError(state, asyncResult);
}
Exception innerException = WinHttpException.CreateExceptionUsingError(unchecked ((int)asyncResult.dwError), "WINHTTP_CALLBACK_STATUS_REQUEST_ERROR");
switch (unchecked ((uint)asyncResult.dwResult.ToInt32()))
{
case Interop.WinHttp.API_SEND_REQUEST:
state.LifecycleAwaitable.SetException(innerException);
break;
case Interop.WinHttp.API_RECEIVE_RESPONSE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_RESEND_REQUEST)
{
state.RetryRequest = true;
state.LifecycleAwaitable.SetResult(0);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED)
{
// WinHttp will automatically drop any client SSL certificates that we
// have pre-set into the request handle including the NULL certificate
// (which means we have no certs to send). For security reasons, we don't
// allow the certificate to be re-applied. But we need to tell WinHttp
// explicitly that we don't have any certificate to send.
Debug.Assert(state.RequestHandle != null, "OnRequestError: state.RequestHandle is null");
WinHttpHandler.SetNoClientCertificate(state.RequestHandle);
state.RetryRequest = true;
state.LifecycleAwaitable.SetResult(0);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
state.LifecycleAwaitable.SetCanceled(state.CancellationToken);
}
else
{
state.LifecycleAwaitable.SetException(innerException);
}
break;
case Interop.WinHttp.API_QUERY_DATA_AVAILABLE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(state, "QUERY_DATA_AVAILABLE - ERROR_WINHTTP_OPERATION_CANCELLED");
}
state.LifecycleAwaitable.SetCanceled();
}
else
{
state.LifecycleAwaitable.SetException(
new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_READ_DATA:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(state, "API_READ_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
}
state.LifecycleAwaitable.SetCanceled();
}
else
{
state.LifecycleAwaitable.SetException(new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_WRITE_DATA:
Debug.Assert(state.TcsInternalWriteDataToRequestStream != null);
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(state, "API_WRITE_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
}
state.TcsInternalWriteDataToRequestStream.TrySetCanceled();
}
else
{
state.TcsInternalWriteDataToRequestStream.TrySetException(
new IOException(SR.net_http_io_write, innerException));
}
break;
default:
Debug.Fail(
"OnRequestError: Result (" + asyncResult.dwResult + ") is not expected.",
"Error code: " + asyncResult.dwError + " (" + innerException.Message + ")");
break;
}
}
private static void OnRequestError(WinHttpRequestState state, Interop.WinHttp.WINHTTP_ASYNC_RESULT asyncResult)
{
WinHttpTraceHelper.TraceAsyncError("OnRequestError", asyncResult);
Debug.Assert(state != null, "OnRequestError: state is null");
var innerException = WinHttpException.CreateExceptionUsingError((int)asyncResult.dwError).InitializeStackTrace();
switch ((uint)asyncResult.dwResult.ToInt32())
{
case Interop.WinHttp.API_SEND_REQUEST:
state.TcsSendRequest.TrySetException(innerException);
break;
case Interop.WinHttp.API_RECEIVE_RESPONSE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_RESEND_REQUEST)
{
state.RetryRequest = true;
state.TcsReceiveResponseHeaders.TrySetResult(false);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED)
{
// WinHttp will automatically drop any client SSL certificates that we
// have pre-set into the request handle including the NULL certificate
// (which means we have no certs to send). For security reasons, we don't
// allow the certificate to be re-applied. But we need to tell WinHttp
// explicitly that we don't have any certificate to send.
Debug.Assert(state.RequestHandle != null, "OnRequestError: state.RequestHandle is null");
WinHttpHandler.SetNoClientCertificate(state.RequestHandle);
state.RetryRequest = true;
state.TcsReceiveResponseHeaders.TrySetResult(false);
}
else if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
state.TcsReceiveResponseHeaders.TrySetCanceled(state.CancellationToken);
}
else
{
state.TcsReceiveResponseHeaders.TrySetException(innerException);
}
break;
case Interop.WinHttp.API_QUERY_DATA_AVAILABLE:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's ReadAsync() call into the TrySetCanceled().
Debug.WriteLine("RequestCallback: QUERY_DATA_AVAILABLE - ERROR_WINHTTP_OPERATION_CANCELLED");
state.TcsQueryDataAvailable.TrySetCanceled();
}
else
{
state.TcsQueryDataAvailable.TrySetException(
new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_READ_DATA:
state.DisposeCtrReadFromResponseStream();
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's ReadAsync() call into the TrySetCanceled().
Debug.WriteLine("RequestCallback: API_READ_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
state.TcsReadFromResponseStream.TrySetCanceled();
}
else
{
state.TcsReadFromResponseStream.TrySetException(
new IOException(SR.net_http_io_read, innerException));
}
break;
case Interop.WinHttp.API_WRITE_DATA:
if (asyncResult.dwError == Interop.WinHttp.ERROR_WINHTTP_OPERATION_CANCELLED)
{
// TODO: Issue #2165. We need to pass in the cancellation token from the
// user's WriteAsync() call into the TrySetCanceled().
Debug.WriteLine("RequestCallback: API_WRITE_DATA - ERROR_WINHTTP_OPERATION_CANCELLED");
state.TcsInternalWriteDataToRequestStream.TrySetCanceled();
}
else
{
state.TcsInternalWriteDataToRequestStream.TrySetException(
new IOException(SR.net_http_io_write, innerException));
}
break;
default:
Debug.Fail(
"OnRequestError: Result (" + asyncResult.dwResult + ") is not expected.",
"Error code: " + asyncResult.dwError + " (" + innerException.Message + ")");
break;
}
}