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Commit 27bf1b86 authored by Mikio Hara's avatar Mikio Hara
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go.net/internal/iana: new package 

This CL factors out number resources used by both ipv4 and ipv6 packages.

LGTM=iant
R=iant
CC=golang-codereviews
https://golang.org/cl/124340043
parent b1072ec6
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internal/iana/const.go 0 → 100644
View file @ 27bf1b86
// go generate gen.go
// GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).
package iana
// Differentiated Services Field Codepoints (DSCP), Updated: 2013-06-25
const (
DiffServCS0 = 0x0 // CS0
DiffServCS1 = 0x20 // CS1
DiffServCS2 = 0x40 // CS2
DiffServCS3 = 0x60 // CS3
DiffServCS4 = 0x80 // CS4
DiffServCS5 = 0xa0 // CS5
DiffServCS6 = 0xc0 // CS6
DiffServCS7 = 0xe0 // CS7
DiffServAF11 = 0x28 // AF11
DiffServAF12 = 0x30 // AF12
DiffServAF13 = 0x38 // AF13
DiffServAF21 = 0x48 // AF21
DiffServAF22 = 0x50 // AF22
DiffServAF23 = 0x58 // AF23
DiffServAF31 = 0x68 // AF31
DiffServAF32 = 0x70 // AF32
DiffServAF33 = 0x78 // AF33
DiffServAF41 = 0x88 // AF41
DiffServAF42 = 0x90 // AF42
DiffServAF43 = 0x98 // AF43
DiffServEFPHB = 0xb8 // EF PHB
DiffServVOICEADMIT = 0xb0 // VOICE-ADMIT
)
// IPv4 TOS Byte and IPv6 Traffic Class Octet, Updated: 2001-09-06
const (
NotECNTransport = 0x0 // Not-ECT (Not ECN-Capable Transport)
ECNTransport1 = 0x1 // ECT(1) (ECN-Capable Transport(1))
ECNTransport0 = 0x2 // ECT(0) (ECN-Capable Transport(0))
CongestionExperienced = 0x3 // CE (Congestion Experienced)
)
// Protocol Numbers, Updated: 2014-08-12
const (
ProtocolIP = 0 // IPv4 encapsulation, pseudo protocol number
ProtocolHOPOPT = 0 // IPv6 Hop-by-Hop Option
ProtocolICMP = 1 // Internet Control Message
ProtocolIGMP = 2 // Internet Group Management
ProtocolGGP = 3 // Gateway-to-Gateway
ProtocolIPv4 = 4 // IPv4 encapsulation
ProtocolST = 5 // Stream
ProtocolTCP = 6 // Transmission Control
ProtocolCBT = 7 // CBT
ProtocolEGP = 8 // Exterior Gateway Protocol
ProtocolIGP = 9 // any private interior gateway (used by Cisco for their IGRP)
ProtocolBBNRCCMON = 10 // BBN RCC Monitoring
ProtocolNVPII = 11 // Network Voice Protocol
ProtocolPUP = 12 // PUP
ProtocolARGUS = 13 // ARGUS
ProtocolEMCON = 14 // EMCON
ProtocolXNET = 15 // Cross Net Debugger
ProtocolCHAOS = 16 // Chaos
ProtocolUDP = 17 // User Datagram
ProtocolMUX = 18 // Multiplexing
ProtocolDCNMEAS = 19 // DCN Measurement Subsystems
ProtocolHMP = 20 // Host Monitoring
ProtocolPRM = 21 // Packet Radio Measurement
ProtocolXNSIDP = 22 // XEROX NS IDP
ProtocolTRUNK1 = 23 // Trunk-1
ProtocolTRUNK2 = 24 // Trunk-2
ProtocolLEAF1 = 25 // Leaf-1
ProtocolLEAF2 = 26 // Leaf-2
ProtocolRDP = 27 // Reliable Data Protocol
ProtocolIRTP = 28 // Internet Reliable Transaction
ProtocolISOTP4 = 29 // ISO Transport Protocol Class 4
ProtocolNETBLT = 30 // Bulk Data Transfer Protocol
ProtocolMFENSP = 31 // MFE Network Services Protocol
ProtocolMERITINP = 32 // MERIT Internodal Protocol
ProtocolDCCP = 33 // Datagram Congestion Control Protocol
Protocol3PC = 34 // Third Party Connect Protocol
ProtocolIDPR = 35 // Inter-Domain Policy Routing Protocol
ProtocolXTP = 36 // XTP
ProtocolDDP = 37 // Datagram Delivery Protocol
ProtocolIDPRCMTP = 38 // IDPR Control Message Transport Proto
ProtocolTPPP = 39 // TP++ Transport Protocol
ProtocolIL = 40 // IL Transport Protocol
ProtocolIPv6 = 41 // IPv6 encapsulation
ProtocolSDRP = 42 // Source Demand Routing Protocol
ProtocolIPv6Route = 43 // Routing Header for IPv6
ProtocolIPv6Frag = 44 // Fragment Header for IPv6
ProtocolIDRP = 45 // Inter-Domain Routing Protocol
ProtocolRSVP = 46 // Reservation Protocol
ProtocolGRE = 47 // Generic Routing Encapsulation
ProtocolDSR = 48 // Dynamic Source Routing Protocol
ProtocolBNA = 49 // BNA
ProtocolESP = 50 // Encap Security Payload
ProtocolAH = 51 // Authentication Header
ProtocolINLSP = 52 // Integrated Net Layer Security TUBA
ProtocolSWIPE = 53 // IP with Encryption
ProtocolNARP = 54 // NBMA Address Resolution Protocol
ProtocolMOBILE = 55 // IP Mobility
ProtocolTLSP = 56 // Transport Layer Security Protocol using Kryptonet key management
ProtocolSKIP = 57 // SKIP
ProtocolIPv6ICMP = 58 // ICMP for IPv6
ProtocolIPv6NoNxt = 59 // No Next Header for IPv6
ProtocolIPv6Opts = 60 // Destination Options for IPv6
ProtocolCFTP = 62 // CFTP
ProtocolSATEXPAK = 64 // SATNET and Backroom EXPAK
ProtocolKRYPTOLAN = 65 // Kryptolan
ProtocolRVD = 66 // MIT Remote Virtual Disk Protocol
ProtocolIPPC = 67 // Internet Pluribus Packet Core
ProtocolSATMON = 69 // SATNET Monitoring
ProtocolVISA = 70 // VISA Protocol
ProtocolIPCV = 71 // Internet Packet Core Utility
ProtocolCPNX = 72 // Computer Protocol Network Executive
ProtocolCPHB = 73 // Computer Protocol Heart Beat
ProtocolWSN = 74 // Wang Span Network
ProtocolPVP = 75 // Packet Video Protocol
ProtocolBRSATMON = 76 // Backroom SATNET Monitoring
ProtocolSUNND = 77 // SUN ND PROTOCOL-Temporary
ProtocolWBMON = 78 // WIDEBAND Monitoring
ProtocolWBEXPAK = 79 // WIDEBAND EXPAK
ProtocolISOIP = 80 // ISO Internet Protocol
ProtocolVMTP = 81 // VMTP
ProtocolSECUREVMTP = 82 // SECURE-VMTP
ProtocolVINES = 83 // VINES
ProtocolTTP = 84 // Transaction Transport Protocol
ProtocolIPTM = 84 // Internet Protocol Traffic Manager
ProtocolNSFNETIGP = 85 // NSFNET-IGP
ProtocolDGP = 86 // Dissimilar Gateway Protocol
ProtocolTCF = 87 // TCF
ProtocolEIGRP = 88 // EIGRP
ProtocolOSPFIGP = 89 // OSPFIGP
ProtocolSpriteRPC = 90 // Sprite RPC Protocol
ProtocolLARP = 91 // Locus Address Resolution Protocol
ProtocolMTP = 92 // Multicast Transport Protocol
ProtocolAX25 = 93 // AX.25 Frames
ProtocolIPIP = 94 // IP-within-IP Encapsulation Protocol
ProtocolMICP = 95 // Mobile Internetworking Control Pro.
ProtocolSCCSP = 96 // Semaphore Communications Sec. Pro.
ProtocolETHERIP = 97 // Ethernet-within-IP Encapsulation
ProtocolENCAP = 98 // Encapsulation Header
ProtocolGMTP = 100 // GMTP
ProtocolIFMP = 101 // Ipsilon Flow Management Protocol
ProtocolPNNI = 102 // PNNI over IP
ProtocolPIM = 103 // Protocol Independent Multicast
ProtocolARIS = 104 // ARIS
ProtocolSCPS = 105 // SCPS
ProtocolQNX = 106 // QNX
ProtocolAN = 107 // Active Networks
ProtocolIPComp = 108 // IP Payload Compression Protocol
ProtocolSNP = 109 // Sitara Networks Protocol
ProtocolCompaqPeer = 110 // Compaq Peer Protocol
ProtocolIPXinIP = 111 // IPX in IP
ProtocolVRRP = 112 // Virtual Router Redundancy Protocol
ProtocolPGM = 113 // PGM Reliable Transport Protocol
ProtocolL2TP = 115 // Layer Two Tunneling Protocol
ProtocolDDX = 116 // D-II Data Exchange (DDX)
ProtocolIATP = 117 // Interactive Agent Transfer Protocol
ProtocolSTP = 118 // Schedule Transfer Protocol
ProtocolSRP = 119 // SpectraLink Radio Protocol
ProtocolUTI = 120 // UTI
ProtocolSMP = 121 // Simple Message Protocol
ProtocolSM = 122 // Simple Multicast Protocol
ProtocolPTP = 123 // Performance Transparency Protocol
ProtocolISIS = 124 // ISIS over IPv4
ProtocolFIRE = 125 // FIRE
ProtocolCRTP = 126 // Combat Radio Transport Protocol
ProtocolCRUDP = 127 // Combat Radio User Datagram
ProtocolSSCOPMCE = 128 // SSCOPMCE
ProtocolIPLT = 129 // IPLT
ProtocolSPS = 130 // Secure Packet Shield
ProtocolPIPE = 131 // Private IP Encapsulation within IP
ProtocolSCTP = 132 // Stream Control Transmission Protocol
ProtocolFC = 133 // Fibre Channel
ProtocolRSVPE2EIGNORE = 134 // RSVP-E2E-IGNORE
ProtocolMobilityHeader = 135 // Mobility Header
ProtocolUDPLite = 136 // UDPLite
ProtocolMPLSinIP = 137 // MPLS-in-IP
ProtocolMANET = 138 // MANET Protocols
ProtocolHIP = 139 // Host Identity Protocol
ProtocolShim6 = 140 // Shim6 Protocol
ProtocolWESP = 141 // Wrapped Encapsulating Security Payload
ProtocolROHC = 142 // Robust Header Compression
ProtocolReserved = 255 // Reserved
)
internal/iana/gen.go 0 → 100644
View file @ 27bf1b86
// 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
}{
{
"http://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
parseDSCPRegistry,
},
{
"http://www.iana.org/assignments/ipv4-tos-byte/ipv4-tos-byte.xml",
parseTOSTCByte,
},
{
"http://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\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 {
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
}
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