5 * Copyright 2017 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.
29 var errForInvalidTarget = fmt.Errorf("invalid target address [2001:db8:a0b:12f0::1, error info: address [2001:db8:a0b:12f0::1:443: missing ']' in address")
31 func replaceNetFunc() func() {
32 oldLookupHost := lookupHost
33 oldLookupSRV := lookupSRV
34 oldLookupTXT := lookupTXT
35 lookupHost = func(ctx context.Context, host string) ([]string, error) {
36 return hostLookup(host)
38 lookupSRV = func(ctx context.Context, service, proto, name string) (string, []*net.SRV, error) {
39 return srvLookup(service, proto, name)
41 lookupTXT = func(ctx context.Context, host string) ([]string, error) {
42 return txtLookup(host)
45 lookupHost = oldLookupHost
46 lookupSRV = oldLookupSRV
47 lookupTXT = oldLookupTXT