summaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/net/dns/dnsmessage/example_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/net/dns/dnsmessage/example_test.go')
-rw-r--r--vendor/golang.org/x/net/dns/dnsmessage/example_test.go132
1 files changed, 0 insertions, 132 deletions
diff --git a/vendor/golang.org/x/net/dns/dnsmessage/example_test.go b/vendor/golang.org/x/net/dns/dnsmessage/example_test.go
deleted file mode 100644
index 8600a6b..0000000
--- a/vendor/golang.org/x/net/dns/dnsmessage/example_test.go
+++ /dev/null
@@ -1,132 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package dnsmessage_test
-
-import (
- "fmt"
- "net"
- "strings"
-
- "golang.org/x/net/dns/dnsmessage"
-)
-
-func mustNewName(name string) dnsmessage.Name {
- n, err := dnsmessage.NewName(name)
- if err != nil {
- panic(err)
- }
- return n
-}
-
-func ExampleParser() {
- msg := dnsmessage.Message{
- Header: dnsmessage.Header{Response: true, Authoritative: true},
- Questions: []dnsmessage.Question{
- {
- Name: mustNewName("foo.bar.example.com."),
- Type: dnsmessage.TypeA,
- Class: dnsmessage.ClassINET,
- },
- {
- Name: mustNewName("bar.example.com."),
- Type: dnsmessage.TypeA,
- Class: dnsmessage.ClassINET,
- },
- },
- Answers: []dnsmessage.Resource{
- {
- Header: dnsmessage.ResourceHeader{
- Name: mustNewName("foo.bar.example.com."),
- Type: dnsmessage.TypeA,
- Class: dnsmessage.ClassINET,
- },
- Body: &dnsmessage.AResource{A: [4]byte{127, 0, 0, 1}},
- },
- {
- Header: dnsmessage.ResourceHeader{
- Name: mustNewName("bar.example.com."),
- Type: dnsmessage.TypeA,
- Class: dnsmessage.ClassINET,
- },
- Body: &dnsmessage.AResource{A: [4]byte{127, 0, 0, 2}},
- },
- },
- }
-
- buf, err := msg.Pack()
- if err != nil {
- panic(err)
- }
-
- wantName := "bar.example.com."
-
- var p dnsmessage.Parser
- if _, err := p.Start(buf); err != nil {
- panic(err)
- }
-
- for {
- q, err := p.Question()
- if err == dnsmessage.ErrSectionDone {
- break
- }
- if err != nil {
- panic(err)
- }
-
- if q.Name.String() != wantName {
- continue
- }
-
- fmt.Println("Found question for name", wantName)
- if err := p.SkipAllQuestions(); err != nil {
- panic(err)
- }
- break
- }
-
- var gotIPs []net.IP
- for {
- h, err := p.AnswerHeader()
- if err == dnsmessage.ErrSectionDone {
- break
- }
- if err != nil {
- panic(err)
- }
-
- if (h.Type != dnsmessage.TypeA && h.Type != dnsmessage.TypeAAAA) || h.Class != dnsmessage.ClassINET {
- continue
- }
-
- if !strings.EqualFold(h.Name.String(), wantName) {
- if err := p.SkipAnswer(); err != nil {
- panic(err)
- }
- continue
- }
-
- switch h.Type {
- case dnsmessage.TypeA:
- r, err := p.AResource()
- if err != nil {
- panic(err)
- }
- gotIPs = append(gotIPs, r.A[:])
- case dnsmessage.TypeAAAA:
- r, err := p.AAAAResource()
- if err != nil {
- panic(err)
- }
- gotIPs = append(gotIPs, r.AAAA[:])
- }
- }
-
- fmt.Printf("Found A/AAAA records for name %s: %v\n", wantName, gotIPs)
-
- // Output:
- // Found question for name bar.example.com.
- // Found A/AAAA records for name bar.example.com.: [127.0.0.2]
-}