diff options
Diffstat (limited to 'vendor/golang.org/x/net/internal/iana/gen.go')
-rw-r--r-- | vendor/golang.org/x/net/internal/iana/gen.go | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/vendor/golang.org/x/net/internal/iana/gen.go b/vendor/golang.org/x/net/internal/iana/gen.go deleted file mode 100644 index 2a5c310..0000000 --- a/vendor/golang.org/x/net/internal/iana/gen.go +++ /dev/null @@ -1,293 +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 internet protocol constants and tables by -// reading IANA protocol registries. -package main - -import ( - "bytes" - "encoding/xml" - "fmt" - "go/format" - "io" - "io/ioutil" - "net/http" - "os" - "strconv" - "strings" -) - -var registries = []struct { - url string - parse func(io.Writer, io.Reader) error -}{ - { - "https://www.iana.org/assignments/dscp-registry/dscp-registry.xml", - parseDSCPRegistry, - }, - { - "https://www.iana.org/assignments/ipv4-tos-byte/ipv4-tos-byte.xml", - parseTOSTCByte, - }, - { - "https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml", - parseProtocolNumbers, - }, -} - -func main() { - var bb bytes.Buffer - fmt.Fprintf(&bb, "// go generate gen.go\n") - fmt.Fprintf(&bb, "// GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n") - fmt.Fprintf(&bb, "// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).\n") - fmt.Fprintf(&bb, `package iana // import "golang.org/x/net/internal/iana"`+"\n\n") - for _, r := range registries { - resp, err := http.Get(r.url) - if err != nil { - fmt.Fprintln(os.Stderr, err) - os.Exit(1) - } - defer resp.Body.Close() - if resp.StatusCode != http.StatusOK { - fmt.Fprintf(os.Stderr, "got HTTP status code %v for %v\n", resp.StatusCode, r.url) - os.Exit(1) - } - if err := r.parse(&bb, resp.Body); err != nil { - fmt.Fprintln(os.Stderr, err) - os.Exit(1) - } - fmt.Fprintf(&bb, "\n") - } - b, err := format.Source(bb.Bytes()) - if err != nil { - fmt.Fprintln(os.Stderr, err) - os.Exit(1) - } - if err := ioutil.WriteFile("const.go", b, 0644); err != nil { - fmt.Fprintln(os.Stderr, err) - os.Exit(1) - } -} - -func parseDSCPRegistry(w io.Writer, r io.Reader) error { - dec := xml.NewDecoder(r) - var dr dscpRegistry - if err := dec.Decode(&dr); err != nil { - return err - } - drs := dr.escape() - fmt.Fprintf(w, "// %s, Updated: %s\n", dr.Title, dr.Updated) - fmt.Fprintf(w, "const (\n") - for _, dr := range drs { - fmt.Fprintf(w, "DiffServ%s = %#x", dr.Name, dr.Value) - fmt.Fprintf(w, "// %s\n", dr.OrigName) - } - fmt.Fprintf(w, ")\n") - return nil -} - -type dscpRegistry struct { - XMLName xml.Name `xml:"registry"` - Title string `xml:"title"` - Updated string `xml:"updated"` - Note string `xml:"note"` - RegTitle string `xml:"registry>title"` - PoolRecords []struct { - Name string `xml:"name"` - Space string `xml:"space"` - } `xml:"registry>record"` - Records []struct { - Name string `xml:"name"` - Space string `xml:"space"` - } `xml:"registry>registry>record"` -} - -type canonDSCPRecord struct { - OrigName string - Name string - Value int -} - -func (drr *dscpRegistry) escape() []canonDSCPRecord { - drs := make([]canonDSCPRecord, len(drr.Records)) - sr := strings.NewReplacer( - "+", "", - "-", "", - "/", "", - ".", "", - " ", "", - ) - for i, dr := range drr.Records { - s := strings.TrimSpace(dr.Name) - drs[i].OrigName = s - drs[i].Name = sr.Replace(s) - n, err := strconv.ParseUint(dr.Space, 2, 8) - if err != nil { - continue - } - drs[i].Value = int(n) << 2 - } - return drs -} - -func parseTOSTCByte(w io.Writer, r io.Reader) error { - dec := xml.NewDecoder(r) - var ttb tosTCByte - if err := dec.Decode(&ttb); err != nil { - return err - } - trs := ttb.escape() - fmt.Fprintf(w, "// %s, Updated: %s\n", ttb.Title, ttb.Updated) - fmt.Fprintf(w, "const (\n") - for _, tr := range trs { - fmt.Fprintf(w, "%s = %#x", tr.Keyword, tr.Value) - fmt.Fprintf(w, "// %s\n", tr.OrigKeyword) - } - fmt.Fprintf(w, ")\n") - return nil -} - -type tosTCByte struct { - XMLName xml.Name `xml:"registry"` - Title string `xml:"title"` - Updated string `xml:"updated"` - Note string `xml:"note"` - RegTitle string `xml:"registry>title"` - Records []struct { - Binary string `xml:"binary"` - Keyword string `xml:"keyword"` - } `xml:"registry>record"` -} - -type canonTOSTCByteRecord struct { - OrigKeyword string - Keyword string - Value int -} - -func (ttb *tosTCByte) escape() []canonTOSTCByteRecord { - trs := make([]canonTOSTCByteRecord, len(ttb.Records)) - sr := strings.NewReplacer( - "Capable", "", - "(", "", - ")", "", - "+", "", - "-", "", - "/", "", - ".", "", - " ", "", - ) - for i, tr := range ttb.Records { - s := strings.TrimSpace(tr.Keyword) - trs[i].OrigKeyword = s - ss := strings.Split(s, " ") - if len(ss) > 1 { - trs[i].Keyword = strings.Join(ss[1:], " ") - } else { - trs[i].Keyword = ss[0] - } - trs[i].Keyword = sr.Replace(trs[i].Keyword) - n, err := strconv.ParseUint(tr.Binary, 2, 8) - if err != nil { - continue - } - trs[i].Value = int(n) - } - return trs -} - -func parseProtocolNumbers(w io.Writer, r io.Reader) error { - dec := xml.NewDecoder(r) - var pn protocolNumbers - if err := dec.Decode(&pn); err != nil { - return err - } - prs := pn.escape() - prs = append([]canonProtocolRecord{{ - Name: "IP", - Descr: "IPv4 encapsulation, pseudo protocol number", - Value: 0, - }}, prs...) - fmt.Fprintf(w, "// %s, Updated: %s\n", pn.Title, pn.Updated) - fmt.Fprintf(w, "const (\n") - for _, pr := range prs { - if pr.Name == "" { - continue - } - fmt.Fprintf(w, "Protocol%s = %d", pr.Name, pr.Value) - s := pr.Descr - if s == "" { - s = pr.OrigName - } - fmt.Fprintf(w, "// %s\n", s) - } - fmt.Fprintf(w, ")\n") - return nil -} - -type protocolNumbers struct { - XMLName xml.Name `xml:"registry"` - Title string `xml:"title"` - Updated string `xml:"updated"` - RegTitle string `xml:"registry>title"` - Note string `xml:"registry>note"` - Records []struct { - Value string `xml:"value"` - Name string `xml:"name"` - Descr string `xml:"description"` - } `xml:"registry>record"` -} - -type canonProtocolRecord struct { - OrigName string - Name string - Descr string - Value int -} - -func (pn *protocolNumbers) escape() []canonProtocolRecord { - prs := make([]canonProtocolRecord, len(pn.Records)) - sr := strings.NewReplacer( - "-in-", "in", - "-within-", "within", - "-over-", "over", - "+", "P", - "-", "", - "/", "", - ".", "", - " ", "", - ) - for i, pr := range pn.Records { - if strings.Contains(pr.Name, "Deprecated") || - strings.Contains(pr.Name, "deprecated") { - continue - } - prs[i].OrigName = pr.Name - s := strings.TrimSpace(pr.Name) - switch pr.Name { - case "ISIS over IPv4": - prs[i].Name = "ISIS" - case "manet": - prs[i].Name = "MANET" - default: - prs[i].Name = sr.Replace(s) - } - ss := strings.Split(pr.Descr, "\n") - for i := range ss { - ss[i] = strings.TrimSpace(ss[i]) - } - if len(ss) > 1 { - prs[i].Descr = strings.Join(ss, " ") - } else { - prs[i].Descr = ss[0] - } - prs[i].Value, _ = strconv.Atoi(pr.Value) - } - return prs -} |