50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
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// +build go1.8
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/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package dns
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import (
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"context"
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"fmt"
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"net"
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)
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var errForInvalidTarget = fmt.Errorf("invalid target address [2001:db8:a0b:12f0::1, error info: address [2001:db8:a0b:12f0::1:443: missing ']' in address")
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func replaceNetFunc() func() {
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oldLookupHost := lookupHost
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oldLookupSRV := lookupSRV
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oldLookupTXT := lookupTXT
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lookupHost = func(ctx context.Context, host string) ([]string, error) {
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return hostLookup(host)
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}
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lookupSRV = func(ctx context.Context, service, proto, name string) (string, []*net.SRV, error) {
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return srvLookup(service, proto, name)
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}
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lookupTXT = func(ctx context.Context, host string) ([]string, error) {
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return txtLookup(host)
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}
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return func() {
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lookupHost = oldLookupHost
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lookupSRV = oldLookupSRV
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lookupTXT = oldLookupTXT
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}
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}
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