/// <summary> /// Resolve the specified exception to an end-user exception that will be thrown from the client. /// The resolved exception is normally a RpcException. Returns true when the resolved exception is changed. /// </summary> internal bool ResolveException(string summary, Exception ex, [NotNull] out Status?status, out Exception resolvedException) { if (ex is OperationCanceledException) { status = (CallTask.IsCompletedSuccessfully()) ? CallTask.Result : new Status(StatusCode.Cancelled, string.Empty); if (!Channel.ThrowOperationCanceledOnCancellation) { resolvedException = CreateRpcException(status.Value); return(true); } } else if (ex is RpcException rpcException) { status = rpcException.Status; // If trailers have been set, and the RpcException isn't using them, then // create new RpcException with trailers. Want to try and avoid this as // the exact stack location will be lost. // // Trailers could be set in another thread so copy to local variable. var trailers = Trailers; if (trailers != null && rpcException.Trailers != trailers) { resolvedException = CreateRpcException(status.Value); return(true); } } else { var s = GrpcProtocolHelpers.CreateStatusFromException(summary, ex); // The server could exceed the deadline and return a CANCELLED status before the // client's deadline timer is triggered. When CANCELLED is received check the // deadline against the clock and change status to DEADLINE_EXCEEDED if required. if (s.StatusCode == StatusCode.Cancelled) { lock (this) { if (IsDeadlineExceededUnsynchronized()) { s = new Status(StatusCode.DeadlineExceeded, s.Detail, s.DebugException); } } } status = s; resolvedException = CreateRpcException(s); return(true); } resolvedException = ex; return(false); }
/// <summary> /// Resolve the specified exception to an end-user exception that will be thrown from the client. /// The resolved exception is normally a RpcException. Returns true when the resolved exception is changed. /// </summary> internal bool ResolveException(string summary, Exception ex, [NotNull] out Status?status, out Exception resolvedException) { if (ex is OperationCanceledException) { status = (CallTask.IsCompletedSuccessfully()) ? CallTask.Result : new Status(StatusCode.Cancelled, string.Empty); if (!Channel.ThrowOperationCanceledOnCancellation) { resolvedException = CreateRpcException(status.Value); return(true); } } else if (ex is RpcException rpcException) { status = rpcException.Status; // If trailers have been set, and the RpcException isn't using them, then // create new RpcException with trailers. Want to try and avoid this as // the exact stack location will be lost. // // Trailers could be set in another thread so copy to local variable. var trailers = Trailers; if (trailers != null && rpcException.Trailers != trailers) { resolvedException = CreateRpcException(status.Value); return(true); } } else { status = GrpcProtocolHelpers.CreateStatusFromException(summary, ex); resolvedException = CreateRpcException(status.Value); return(true); } resolvedException = ex; return(false); }