internal async Task ProcessHandlerErrorAsync(Exception ex, string method, bool isStreaming, JsonSerializerOptions options)
{
Status status;
if (ex is RpcException rpcException)
{
// RpcException is thrown by client code to modify the status returned from the server.
// Log the status and detail. Don't log the exception to reduce log verbosity.
GrpcServerLog.RpcConnectionError(Logger, rpcException.StatusCode, rpcException.Status.Detail);
status = rpcException.Status;
}
else
{
GrpcServerLog.ErrorExecutingServiceMethod(Logger, method, ex);
var message = ErrorMessageHelper.BuildErrorMessage("Exception was thrown by handler.", ex, Options.EnableDetailedErrors);
// Note that the exception given to status won't be returned to the client.
// It is still useful to set in case an interceptor accesses the status on the server.
status = new Status(StatusCode.Unknown, message, ex);
}
await JsonRequestHelpers.SendErrorResponse(HttpContext.Response, RequestEncoding, status, options);
if (isStreaming)
{
await HttpContext.Response.Body.WriteAsync(GrpcProtocolConstants.StreamingDelimiter);
}
}
private async Task SendCloseAsync(HubConnectionContext connection, Exception exception)
{
var closeMessage = CloseMessage.Empty;
if (exception != null)
{
var errorMessage = ErrorMessageHelper.BuildErrorMessage("Connection closed with an error.", exception, _enableDetailedErrors);
closeMessage = new CloseMessage(errorMessage);
}
try
{
await connection.WriteAsync(closeMessage);
}
catch (Exception ex)
{
Log.ErrorSendingClose(_logger, ex);
}
}
private async Task SendCloseAsync(HubConnectionContext connection, Exception?exception, bool allowReconnect)
{
var closeMessage = CloseMessage.Empty;
if (exception != null)
{
var errorMessage = ErrorMessageHelper.BuildErrorMessage("Connection closed with an error.", exception, _enableDetailedErrors);
closeMessage = new CloseMessage(errorMessage, allowReconnect);
}
else if (allowReconnect)
{
closeMessage = new CloseMessage(error: null, allowReconnect);
}
try
{
await connection.WriteAsync(closeMessage, ignoreAbort : true);
}
catch (Exception ex)
{
Log.ErrorSendingClose(_logger, ex);
}
}
