diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/go.net/ipv6/gen.go')
-rw-r--r-- | Godeps/_workspace/src/code.google.com/p/go.net/ipv6/gen.go | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/gen.go b/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/gen.go deleted file mode 100644 index 5680bac761..0000000000 --- a/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/gen.go +++ /dev/null @@ -1,241 +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 - -// This program generates internet protocol constatns and tables by -// reading IANA protocol registries. -// -// Usage: -// go run gen.go > iana.go -package main - -import ( - "bytes" - "encoding/xml" - "fmt" - "go/format" - "io" - "net/http" - "os" - "strconv" - "strings" -) - -var registries = []struct { - url string - parse func(io.Writer, io.Reader) error -}{ - { - "http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xml", - parseICMPv6Parameters, - }, - { - "http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml", - parseProtocolNumbers, - }, -} - -func main() { - var bb bytes.Buffer - fmt.Fprintf(&bb, "// go run gen.go\n") - fmt.Fprintf(&bb, "// 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 { - 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) - } - os.Stdout.Write(b) -} - -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 -} - -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() - 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, "ianaProtocol%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 -} |