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path: root/vendor/golang.org/x/net/ipv6/gen.go
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Diffstat (limited to 'vendor/golang.org/x/net/ipv6/gen.go')
-rw-r--r--vendor/golang.org/x/net/ipv6/gen.go199
1 files changed, 0 insertions, 199 deletions
diff --git a/vendor/golang.org/x/net/ipv6/gen.go b/vendor/golang.org/x/net/ipv6/gen.go
deleted file mode 100644
index 5885664..0000000
--- a/vendor/golang.org/x/net/ipv6/gen.go
+++ /dev/null
@@ -1,199 +0,0 @@
-// Copyright 2013 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.
-
-// +build ignore
-
-//go:generate go run gen.go
-
-// This program generates system adaptation constants and types,
-// internet protocol constants and tables by reading template files
-// and IANA protocol registries.
-package main
-
-import (
- "bytes"
- "encoding/xml"
- "fmt"
- "go/format"
- "io"
- "io/ioutil"
- "net/http"
- "os"
- "os/exec"
- "runtime"
- "strconv"
- "strings"
-)
-
-func main() {
- if err := genzsys(); err != nil {
- fmt.Fprintln(os.Stderr, err)
- os.Exit(1)
- }
- if err := geniana(); err != nil {
- fmt.Fprintln(os.Stderr, err)
- os.Exit(1)
- }
-}
-
-func genzsys() error {
- defs := "defs_" + runtime.GOOS + ".go"
- f, err := os.Open(defs)
- if err != nil {
- if os.IsNotExist(err) {
- return nil
- }
- return err
- }
- f.Close()
- cmd := exec.Command("go", "tool", "cgo", "-godefs", defs)
- b, err := cmd.Output()
- if err != nil {
- return err
- }
- b, err = format.Source(b)
- if err != nil {
- return err
- }
- zsys := "zsys_" + runtime.GOOS + ".go"
- switch runtime.GOOS {
- case "freebsd", "linux":
- zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go"
- }
- if err := ioutil.WriteFile(zsys, b, 0644); err != nil {
- return err
- }
- return nil
-}
-
-var registries = []struct {
- url string
- parse func(io.Writer, io.Reader) error
-}{
- {
- "https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xml",
- parseICMPv6Parameters,
- },
-}
-
-func geniana() error {
- var bb bytes.Buffer
- fmt.Fprintf(&bb, "// go generate gen.go\n")
- fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
- fmt.Fprintf(&bb, "package ipv6\n\n")
- for _, r := range registries {
- resp, err := http.Get(r.url)
- if err != nil {
- return err
- }
- defer resp.Body.Close()
- if resp.StatusCode != http.StatusOK {
- return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url)
- }
- if err := r.parse(&bb, resp.Body); err != nil {
- return err
- }
- fmt.Fprintf(&bb, "\n")
- }
- b, err := format.Source(bb.Bytes())
- if err != nil {
- return err
- }
- if err := ioutil.WriteFile("iana.go", b, 0644); err != nil {
- return err
- }
- return nil
-}
-
-func parseICMPv6Parameters(w io.Writer, r io.Reader) error {
- dec := xml.NewDecoder(r)
- var icp icmpv6Parameters
- if err := dec.Decode(&icp); err != nil {
- return err
- }
- prs := icp.escape()
- fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
- fmt.Fprintf(w, "const (\n")
- for _, pr := range prs {
- if pr.Name == "" {
- continue
- }
- fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Name, pr.Value)
- fmt.Fprintf(w, "// %s\n", pr.OrigName)
- }
- fmt.Fprintf(w, ")\n\n")
- fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
- fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n")
- for _, pr := range prs {
- if pr.Name == "" {
- continue
- }
- fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigName))
- }
- fmt.Fprintf(w, "}\n")
- return nil
-}
-
-type icmpv6Parameters struct {
- XMLName xml.Name `xml:"registry"`
- Title string `xml:"title"`
- Updated string `xml:"updated"`
- Registries []struct {
- Title string `xml:"title"`
- Records []struct {
- Value string `xml:"value"`
- Name string `xml:"name"`
- } `xml:"record"`
- } `xml:"registry"`
-}
-
-type canonICMPv6ParamRecord struct {
- OrigName string
- Name string
- Value int
-}
-
-func (icp *icmpv6Parameters) escape() []canonICMPv6ParamRecord {
- id := -1
- for i, r := range icp.Registries {
- if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") {
- id = i
- break
- }
- }
- if id < 0 {
- return nil
- }
- prs := make([]canonICMPv6ParamRecord, len(icp.Registries[id].Records))
- sr := strings.NewReplacer(
- "Messages", "",
- "Message", "",
- "ICMP", "",
- "+", "P",
- "-", "",
- "/", "",
- ".", "",
- " ", "",
- )
- for i, pr := range icp.Registries[id].Records {
- if strings.Contains(pr.Name, "Reserved") ||
- strings.Contains(pr.Name, "Unassigned") ||
- strings.Contains(pr.Name, "Deprecated") ||
- strings.Contains(pr.Name, "Experiment") ||
- strings.Contains(pr.Name, "experiment") {
- continue
- }
- ss := strings.Split(pr.Name, "\n")
- if len(ss) > 1 {
- prs[i].Name = strings.Join(ss, " ")
- } else {
- prs[i].Name = ss[0]
- }
- s := strings.TrimSpace(prs[i].Name)
- prs[i].OrigName = s
- prs[i].Name = sr.Replace(s)
- prs[i].Value, _ = strconv.Atoi(pr.Value)
- }
- return prs
-}