| // Copyright 2009 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. |
| |
| // golangorg: The Go Website (golang.org) |
| |
| // Web server tree: |
| // |
| // https://golang.org/ main landing page |
| // https://golang.org/doc/ serve from content/doc, then $GOROOT/doc. spec, mem, etc. |
| // https://golang.org/src/ serve files from $GOROOT/src; .go gets pretty-printed |
| // https://golang.org/cmd/ serve documentation about commands |
| // https://golang.org/pkg/ serve documentation about packages |
| // (idea is if you say import "compress/zlib", you go to |
| // https://golang.org/pkg/compress/zlib) |
| // |
| |
| //go:build go1.16 |
| // +build go1.16 |
| |
| package main |
| |
| import ( |
| "flag" |
| "fmt" |
| "log" |
| "net/http" |
| "os" |
| "regexp" |
| "runtime" |
| |
| "golang.org/x/tools/godoc" |
| "golang.org/x/tools/godoc/vfs" |
| "golang.org/x/tools/godoc/vfs/gatefs" |
| "golang.org/x/website" |
| ) |
| |
| var ( |
| httpAddr = flag.String("http", "localhost:6060", "HTTP service address") |
| verbose = flag.Bool("v", false, "verbose mode") |
| goroot = flag.String("goroot", runtime.GOROOT(), "Go root directory") |
| showTimestamps = flag.Bool("timestamps", false, "show timestamps with directory listings") |
| templateDir = flag.String("templates", "", "load templates/JS/CSS from disk in this directory (usually /path-to-website/content)") |
| showPlayground = flag.Bool("play", true, "enable playground") |
| declLinks = flag.Bool("links", true, "link identifiers to their declarations") |
| notesRx = flag.String("notes", "BUG", "regular expression matching note markers to show") |
| ) |
| |
| func usage() { |
| fmt.Fprintf(os.Stderr, "usage: golangorg\n") |
| flag.PrintDefaults() |
| os.Exit(2) |
| } |
| |
| func loggingHandler(h http.Handler) http.Handler { |
| return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { |
| log.Printf("%s\t%s", req.RemoteAddr, req.URL) |
| h.ServeHTTP(w, req) |
| }) |
| } |
| |
| func main() { |
| earlySetup() |
| |
| flag.Usage = usage |
| flag.Parse() |
| |
| // Check usage. |
| if flag.NArg() > 0 { |
| fmt.Fprintln(os.Stderr, "Unexpected arguments.") |
| usage() |
| } |
| if *httpAddr == "" { |
| fmt.Fprintln(os.Stderr, "-http must be set") |
| usage() |
| } |
| |
| fsGate := make(chan bool, 20) |
| |
| // Determine file system to use. |
| rootfs := gatefs.New(vfs.OS(*goroot), fsGate) |
| fs.Bind("/", rootfs, "/", vfs.BindReplace) |
| |
| // Try serving files from _content before trying the main |
| // go repository. This lets us update some documentation outside the |
| // Go release cycle. This includes root.html, which redirects to "/". |
| // See golang.org/issue/29206. |
| if *templateDir != "" { |
| fs.Bind("/", vfs.OS(*templateDir), "/", vfs.BindBefore) |
| } else { |
| fs.Bind("/", vfs.FromFS(website.Content), "/", vfs.BindBefore) |
| } |
| |
| corpus := godoc.NewCorpus(fs) |
| corpus.Verbose = *verbose |
| corpus.IndexEnabled = false |
| if err := corpus.Init(); err != nil { |
| log.Fatal(err) |
| } |
| // Initialize the version info before readTemplates, which saves |
| // the map value in a method value. |
| corpus.InitVersionInfo() |
| |
| pres = godoc.NewPresentation(corpus) |
| pres.ShowTimestamps = *showTimestamps |
| pres.ShowPlayground = *showPlayground |
| pres.DeclLinks = *declLinks |
| if *notesRx != "" { |
| pres.NotesRx = regexp.MustCompile(*notesRx) |
| } |
| |
| readTemplates(pres) |
| mux := registerHandlers(pres) |
| lateSetup(mux) |
| |
| var handler http.Handler = http.DefaultServeMux |
| if *verbose { |
| log.Printf("golang.org server:") |
| log.Printf("\tversion = %s", runtime.Version()) |
| log.Printf("\taddress = %s", *httpAddr) |
| log.Printf("\tgoroot = %s", *goroot) |
| fs.Fprint(os.Stderr) |
| handler = loggingHandler(handler) |
| } |
| |
| // Start http server. |
| fmt.Fprintf(os.Stderr, "serving http://%s\n", *httpAddr) |
| if err := http.ListenAndServe(*httpAddr, handler); err != nil { |
| log.Fatalf("ListenAndServe %s: %v", *httpAddr, err) |
| } |
| } |