зеркало из https://github.com/CryptoPro/go.git
split godoc/godoc.go into godoc/godoc.go
and godoc/main.go. R=gri CC=r http://go/go-review/1017005
This commit is contained in:
Russ Cox
Родитель
2ea8ecda8f
Коммит
09f4261841
|
|
@ -8,6 +8,7 @@ TARG=godoc
|
||||||
GOFILES=\
|
GOFILES=\
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||||||
godoc.go\
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godoc.go\
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index.go\
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index.go\
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||||||
|
main.go\
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snippet.go\
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snippet.go\
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spec.go\
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spec.go\
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||||||
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|
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|
@ -2,28 +2,6 @@
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// Use of this source code is governed by a BSD-style
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
|
// license that can be found in the LICENSE file.
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// godoc: Go Documentation Server
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||||||
// Web server tree:
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//
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|
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// http://godoc/ main landing page
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|
||||||
// http://godoc/doc/ serve from $GOROOT/doc - spec, mem, tutorial, etc.
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||||||
// http://godoc/src/ serve files from $GOROOT/src; .go gets pretty-printed
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||||||
// http://godoc/cmd/ serve documentation about commands (TODO)
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||||||
// http://godoc/pkg/ serve documentation about packages
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// (idea is if you say import "compress/zlib", you go to
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||||||
// http://godoc/pkg/compress/zlib)
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//
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// Command-line interface:
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//
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// godoc packagepath [name ...]
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//
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// godoc compress/zlib
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// - prints doc for package compress/zlib
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// godoc crypto/block Cipher NewCMAC
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||||||
// - prints doc for Cipher and NewCMAC in package crypto/block
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package main
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package main
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import (
|
import (
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|
@ -108,17 +86,10 @@ var (
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tmplroot = flag.String("tmplroot", "lib/godoc", "root template directory (if unrooted, relative to goroot)");
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tmplroot = flag.String("tmplroot", "lib/godoc", "root template directory (if unrooted, relative to goroot)");
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|
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// periodic sync
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// periodic sync
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syncCmd = flag.String("sync", "", "sync command; disabled if empty");
|
|
||||||
syncMin = flag.Int("sync_minutes", 0, "sync interval in minutes; disabled if <= 0");
|
|
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syncDelay delayTime; // actual sync delay in minutes; usually syncDelay == syncMin, but delay may back off exponentially
|
|
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syncTime RWValue; // time of last sync
|
syncTime RWValue; // time of last sync
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||||||
|
|
||||||
// layout control
|
// layout control
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tabwidth = flag.Int("tabwidth", 4, "tab width");
|
tabwidth = flag.Int("tabwidth", 4, "tab width");
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html = flag.Bool("html", false, "print HTML in command-line mode");
|
|
||||||
|
|
||||||
// server control
|
|
||||||
httpaddr = flag.String("http", "", "HTTP service address (e.g., ':6060')");
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)
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)
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|
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|
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|
|
@ -745,185 +716,33 @@ func search(c *http.Conn, r *http.Request) {
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// ----------------------------------------------------------------------------
|
// ----------------------------------------------------------------------------
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// Server
|
// Server
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|
|
||||||
func loggingHandler(h http.Handler) http.Handler {
|
func registerPublicHandlers(mux *http.ServeMux) {
|
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return http.HandlerFunc(func(c *http.Conn, req *http.Request) {
|
mux.Handle(Pkg, http.HandlerFunc(servePkg));
|
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log.Stderrf("%s\t%s", c.RemoteAddr, req.Url);
|
mux.Handle("/search", http.HandlerFunc(search));
|
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h.ServeHTTP(c, req);
|
mux.Handle("/", http.HandlerFunc(serveFile));
|
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});
|
|
||||||
}
|
}
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|
|
||||||
|
|
||||||
func exec(c *http.Conn, args []string) bool {
|
// Indexing goroutine.
|
||||||
r, w, err := os.Pipe();
|
func indexer() {
|
||||||
if err != nil {
|
for {
|
||||||
log.Stderrf("os.Pipe(): %v\n", err);
|
_, ts := syncTime.get();
|
||||||
return false;
|
if _, timestamp := searchIndex.get(); timestamp < ts {
|
||||||
}
|
// index possibly out of date - make a new one
|
||||||
|
// (could use a channel to send an explicit signal
|
||||||
bin := args[0];
|
// from the sync goroutine, but this solution is
|
||||||
fds := []*os.File{nil, w, w};
|
// more decoupled, trivial, and works well enough)
|
||||||
if *verbose {
|
start := time.Nanoseconds();
|
||||||
log.Stderrf("executing %v", args);
|
index := NewIndex(".");
|
||||||
}
|
stop := time.Nanoseconds();
|
||||||
pid, err := os.ForkExec(bin, args, os.Environ(), goroot, fds);
|
searchIndex.set(index);
|
||||||
defer r.Close();
|
if *verbose {
|
||||||
w.Close();
|
secs := float64((stop-start)/1e6)/1e3;
|
||||||
if err != nil {
|
nwords, nspots := index.Size();
|
||||||
log.Stderrf("os.ForkExec(%q): %v\n", bin, err);
|
log.Stderrf("index updated (%gs, %d unique words, %d spots)", secs, nwords, nspots);
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return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
var buf bytes.Buffer;
|
|
||||||
io.Copy(r, &buf);
|
|
||||||
wait, err := os.Wait(pid, 0);
|
|
||||||
if err != nil {
|
|
||||||
os.Stderr.Write(buf.Bytes());
|
|
||||||
log.Stderrf("os.Wait(%d, 0): %v\n", pid, err);
|
|
||||||
return false;
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|
||||||
}
|
|
||||||
if !wait.Exited() || wait.ExitStatus() != 0 {
|
|
||||||
os.Stderr.Write(buf.Bytes());
|
|
||||||
log.Stderrf("executing %v failed (exit status = %d)", args, wait.ExitStatus());
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|
||||||
return false;
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|
||||||
}
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|
||||||
|
|
||||||
if *verbose {
|
|
||||||
os.Stderr.Write(buf.Bytes());
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|
||||||
}
|
|
||||||
if c != nil {
|
|
||||||
c.SetHeader("content-type", "text/plain; charset=utf-8");
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|
||||||
c.Write(buf.Bytes());
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|
||||||
}
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|
||||||
|
|
||||||
return true;
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|
||||||
}
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|
||||||
|
|
||||||
|
|
||||||
func dosync(c *http.Conn, r *http.Request) {
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|
||||||
args := []string{"/bin/sh", "-c", *syncCmd};
|
|
||||||
if exec(c, args) {
|
|
||||||
// sync succeeded
|
|
||||||
syncTime.set(nil);
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|
||||||
syncDelay.set(*syncMin); // revert to regular sync schedule
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|
||||||
} else {
|
|
||||||
// sync failed - back off exponentially, but try at least once a day
|
|
||||||
syncDelay.backoff(24*60);
|
|
||||||
}
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|
||||||
}
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|
||||||
|
|
||||||
|
|
||||||
func usage() {
|
|
||||||
fmt.Fprintf(os.Stderr,
|
|
||||||
"usage: godoc package [name ...]\n"
|
|
||||||
" godoc -http=:6060\n");
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|
||||||
flag.PrintDefaults();
|
|
||||||
os.Exit(2);
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|
||||||
}
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|
||||||
|
|
||||||
|
|
||||||
func main() {
|
|
||||||
flag.Usage = usage;
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|
||||||
flag.Parse();
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|
||||||
|
|
||||||
// Check usage first; get usage message out early.
|
|
||||||
switch {
|
|
||||||
case *httpaddr != "":
|
|
||||||
if flag.NArg() != 0 {
|
|
||||||
usage();
|
|
||||||
}
|
|
||||||
default:
|
|
||||||
if flag.NArg() == 0 {
|
|
||||||
usage();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := os.Chdir(goroot); err != nil {
|
|
||||||
log.Exitf("chdir %s: %v", goroot, err);
|
|
||||||
}
|
|
||||||
|
|
||||||
readTemplates();
|
|
||||||
|
|
||||||
if *httpaddr != "" {
|
|
||||||
var handler http.Handler = http.DefaultServeMux;
|
|
||||||
if *verbose {
|
|
||||||
log.Stderrf("Go Documentation Server\n");
|
|
||||||
log.Stderrf("address = %s\n", *httpaddr);
|
|
||||||
log.Stderrf("goroot = %s\n", goroot);
|
|
||||||
log.Stderrf("pkgroot = %s\n", *pkgroot);
|
|
||||||
log.Stderrf("tmplroot = %s\n", *tmplroot);
|
|
||||||
handler = loggingHandler(handler);
|
|
||||||
}
|
|
||||||
|
|
||||||
http.Handle(Pkg, http.HandlerFunc(servePkg));
|
|
||||||
if *syncCmd != "" {
|
|
||||||
http.Handle("/debug/sync", http.HandlerFunc(dosync));
|
|
||||||
}
|
|
||||||
http.Handle("/search", http.HandlerFunc(search));
|
|
||||||
http.Handle("/", http.HandlerFunc(serveFile));
|
|
||||||
|
|
||||||
// The server may have been restarted; always wait 1sec to
|
|
||||||
// give the forking server a chance to shut down and release
|
|
||||||
// the http port.
|
|
||||||
time.Sleep(1e9);
|
|
||||||
|
|
||||||
// Start sync goroutine, if enabled.
|
|
||||||
if *syncCmd != "" && *syncMin > 0 {
|
|
||||||
syncDelay.set(*syncMin); // initial sync delay
|
|
||||||
go func() {
|
|
||||||
for {
|
|
||||||
dosync(nil, nil);
|
|
||||||
delay, _ := syncDelay.get();
|
|
||||||
if *verbose {
|
|
||||||
log.Stderrf("next sync in %dmin", delay.(int));
|
|
||||||
}
|
|
||||||
time.Sleep(int64(delay.(int))*60e9);
|
|
||||||
}
|
|
||||||
}();
|
|
||||||
}
|
|
||||||
|
|
||||||
// Start indexing goroutine.
|
|
||||||
go func() {
|
|
||||||
for {
|
|
||||||
_, ts := syncTime.get();
|
|
||||||
if _, timestamp := searchIndex.get(); timestamp < ts {
|
|
||||||
// index possibly out of date - make a new one
|
|
||||||
// (could use a channel to send an explicit signal
|
|
||||||
// from the sync goroutine, but this solution is
|
|
||||||
// more decoupled, trivial, and works well enough)
|
|
||||||
start := time.Nanoseconds();
|
|
||||||
index := NewIndex(".");
|
|
||||||
stop := time.Nanoseconds();
|
|
||||||
searchIndex.set(index);
|
|
||||||
if *verbose {
|
|
||||||
secs := float64((stop-start)/1e6)/1e3;
|
|
||||||
nwords, nspots := index.Size();
|
|
||||||
log.Stderrf("index updated (%gs, %d unique words, %d spots)", secs, nwords, nspots);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
time.Sleep(1*60e9); // try once a minute
|
|
||||||
}
|
}
|
||||||
}();
|
|
||||||
|
|
||||||
// Start http server.
|
|
||||||
if err := http.ListenAndServe(*httpaddr, handler); err != nil {
|
|
||||||
log.Exitf("ListenAndServe %s: %v", *httpaddr, err);
|
|
||||||
}
|
}
|
||||||
return;
|
time.Sleep(1*60e9); // try once a minute
|
||||||
}
|
|
||||||
|
|
||||||
if *html {
|
|
||||||
packageText = packageHtml;
|
|
||||||
parseerrorText = parseerrorHtml;
|
|
||||||
}
|
|
||||||
|
|
||||||
info := getPageInfo(flag.Arg(0));
|
|
||||||
|
|
||||||
if info.PDoc != nil && flag.NArg() > 1 {
|
|
||||||
args := flag.Args();
|
|
||||||
info.PDoc.Filter(args[1:len(args)]);
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := packageText.Execute(info, os.Stdout); err != nil {
|
|
||||||
log.Stderrf("packageText.Execute: %s", err);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,212 @@
|
||||||
|
// 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.
|
||||||
|
|
||||||
|
// godoc: Go Documentation Server
|
||||||
|
|
||||||
|
// Web server tree:
|
||||||
|
//
|
||||||
|
// http://godoc/ main landing page
|
||||||
|
// http://godoc/doc/ serve from $GOROOT/doc - spec, mem, tutorial, etc.
|
||||||
|
// http://godoc/src/ serve files from $GOROOT/src; .go gets pretty-printed
|
||||||
|
// http://godoc/cmd/ serve documentation about commands (TODO)
|
||||||
|
// http://godoc/pkg/ serve documentation about packages
|
||||||
|
// (idea is if you say import "compress/zlib", you go to
|
||||||
|
// http://godoc/pkg/compress/zlib)
|
||||||
|
//
|
||||||
|
// Command-line interface:
|
||||||
|
//
|
||||||
|
// godoc packagepath [name ...]
|
||||||
|
//
|
||||||
|
// godoc compress/zlib
|
||||||
|
// - prints doc for package compress/zlib
|
||||||
|
// godoc crypto/block Cipher NewCMAC
|
||||||
|
// - prints doc for Cipher and NewCMAC in package crypto/block
|
||||||
|
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"bytes";
|
||||||
|
"flag";
|
||||||
|
"fmt";
|
||||||
|
"http";
|
||||||
|
"io";
|
||||||
|
"log";
|
||||||
|
"os";
|
||||||
|
"time";
|
||||||
|
)
|
||||||
|
|
||||||
|
var (
|
||||||
|
// periodic sync
|
||||||
|
syncCmd = flag.String("sync", "", "sync command; disabled if empty");
|
||||||
|
syncMin = flag.Int("sync_minutes", 0, "sync interval in minutes; disabled if <= 0");
|
||||||
|
syncDelay delayTime; // actual sync delay in minutes; usually syncDelay == syncMin, but delay may back off exponentially
|
||||||
|
|
||||||
|
// server control
|
||||||
|
httpaddr = flag.String("http", "", "HTTP service address (e.g., ':6060')");
|
||||||
|
|
||||||
|
// layout control
|
||||||
|
html = flag.Bool("html", false, "print HTML in command-line mode");
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
|
func exec(c *http.Conn, args []string) bool {
|
||||||
|
r, w, err := os.Pipe();
|
||||||
|
if err != nil {
|
||||||
|
log.Stderrf("os.Pipe(): %v\n", err);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
bin := args[0];
|
||||||
|
fds := []*os.File{nil, w, w};
|
||||||
|
if *verbose {
|
||||||
|
log.Stderrf("executing %v", args);
|
||||||
|
}
|
||||||
|
pid, err := os.ForkExec(bin, args, os.Environ(), goroot, fds);
|
||||||
|
defer r.Close();
|
||||||
|
w.Close();
|
||||||
|
if err != nil {
|
||||||
|
log.Stderrf("os.ForkExec(%q): %v\n", bin, err);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
var buf bytes.Buffer;
|
||||||
|
io.Copy(r, &buf);
|
||||||
|
wait, err := os.Wait(pid, 0);
|
||||||
|
if err != nil {
|
||||||
|
os.Stderr.Write(buf.Bytes());
|
||||||
|
log.Stderrf("os.Wait(%d, 0): %v\n", pid, err);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
if !wait.Exited() || wait.ExitStatus() != 0 {
|
||||||
|
os.Stderr.Write(buf.Bytes());
|
||||||
|
log.Stderrf("executing %v failed (exit status = %d)", args, wait.ExitStatus());
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if *verbose {
|
||||||
|
os.Stderr.Write(buf.Bytes());
|
||||||
|
}
|
||||||
|
if c != nil {
|
||||||
|
c.SetHeader("content-type", "text/plain; charset=utf-8");
|
||||||
|
c.Write(buf.Bytes());
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
func dosync(c *http.Conn, r *http.Request) {
|
||||||
|
args := []string{"/bin/sh", "-c", *syncCmd};
|
||||||
|
if exec(c, args) {
|
||||||
|
// sync succeeded
|
||||||
|
syncTime.set(nil);
|
||||||
|
syncDelay.set(*syncMin); // revert to regular sync schedule
|
||||||
|
} else {
|
||||||
|
// sync failed - back off exponentially, but try at least once a day
|
||||||
|
syncDelay.backoff(24*60);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
func usage() {
|
||||||
|
fmt.Fprintf(os.Stderr,
|
||||||
|
"usage: godoc package [name ...]\n"
|
||||||
|
" godoc -http=:6060\n");
|
||||||
|
flag.PrintDefaults();
|
||||||
|
os.Exit(2);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
func loggingHandler(h http.Handler) http.Handler {
|
||||||
|
return http.HandlerFunc(func(c *http.Conn, req *http.Request) {
|
||||||
|
log.Stderrf("%s\t%s", c.RemoteAddr, req.Url);
|
||||||
|
h.ServeHTTP(c, req);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
flag.Usage = usage;
|
||||||
|
flag.Parse();
|
||||||
|
|
||||||
|
// Check usage first; get usage message out early.
|
||||||
|
switch {
|
||||||
|
case *httpaddr != "":
|
||||||
|
if flag.NArg() != 0 {
|
||||||
|
usage();
|
||||||
|
}
|
||||||
|
default:
|
||||||
|
if flag.NArg() == 0 {
|
||||||
|
usage();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := os.Chdir(goroot); err != nil {
|
||||||
|
log.Exitf("chdir %s: %v", goroot, err);
|
||||||
|
}
|
||||||
|
|
||||||
|
readTemplates();
|
||||||
|
|
||||||
|
if *httpaddr != "" {
|
||||||
|
var handler http.Handler = http.DefaultServeMux;
|
||||||
|
if *verbose {
|
||||||
|
log.Stderrf("Go Documentation Server\n");
|
||||||
|
log.Stderrf("address = %s\n", *httpaddr);
|
||||||
|
log.Stderrf("goroot = %s\n", goroot);
|
||||||
|
log.Stderrf("pkgroot = %s\n", *pkgroot);
|
||||||
|
log.Stderrf("tmplroot = %s\n", *tmplroot);
|
||||||
|
handler = loggingHandler(handler);
|
||||||
|
}
|
||||||
|
|
||||||
|
registerPublicHandlers(http.DefaultServeMux);
|
||||||
|
if *syncCmd != "" {
|
||||||
|
http.Handle("/debug/sync", http.HandlerFunc(dosync));
|
||||||
|
}
|
||||||
|
|
||||||
|
// The server may have been restarted; always wait 1sec to
|
||||||
|
// give the forking server a chance to shut down and release
|
||||||
|
// the http port.
|
||||||
|
time.Sleep(1e9);
|
||||||
|
|
||||||
|
// Start sync goroutine, if enabled.
|
||||||
|
if *syncCmd != "" && *syncMin > 0 {
|
||||||
|
syncDelay.set(*syncMin); // initial sync delay
|
||||||
|
go func() {
|
||||||
|
for {
|
||||||
|
dosync(nil, nil);
|
||||||
|
delay, _ := syncDelay.get();
|
||||||
|
if *verbose {
|
||||||
|
log.Stderrf("next sync in %dmin", delay.(int));
|
||||||
|
}
|
||||||
|
time.Sleep(int64(delay.(int))*60e9);
|
||||||
|
}
|
||||||
|
}();
|
||||||
|
}
|
||||||
|
|
||||||
|
// Start indexing goroutine.
|
||||||
|
go indexer();
|
||||||
|
|
||||||
|
// Start http server.
|
||||||
|
if err := http.ListenAndServe(*httpaddr, handler); err != nil {
|
||||||
|
log.Exitf("ListenAndServe %s: %v", *httpaddr, err);
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if *html {
|
||||||
|
packageText = packageHtml;
|
||||||
|
parseerrorText = parseerrorHtml;
|
||||||
|
}
|
||||||
|
|
||||||
|
info := getPageInfo(flag.Arg(0));
|
||||||
|
|
||||||
|
if info.PDoc != nil && flag.NArg() > 1 {
|
||||||
|
args := flag.Args();
|
||||||
|
info.PDoc.Filter(args[1:len(args)]);
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := packageText.Execute(info, os.Stdout); err != nil {
|
||||||
|
log.Stderrf("packageText.Execute: %s", err);
|
||||||
|
}
|
||||||
|
}
|
||||||
Загрузка…
Ссылка в новой задаче