5 * Copyright 2016 gRPC authors.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
27 "google.golang.org/grpc/codes"
29 netctx "golang.org/x/net/context"
32 // dialContext connects to the address on the named network.
33 func dialContext(ctx context.Context, network, address string) (net.Conn, error) {
34 return (&net.Dialer{}).DialContext(ctx, network, address)
37 // ContextErr converts the error from context package into a StreamError.
38 func ContextErr(err error) StreamError {
40 case context.DeadlineExceeded, netctx.DeadlineExceeded:
41 return streamErrorf(codes.DeadlineExceeded, "%v", err)
42 case context.Canceled, netctx.Canceled:
43 return streamErrorf(codes.Canceled, "%v", err)
45 return streamErrorf(codes.Internal, "Unexpected error from context packet: %v", err)