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// Copyright 2011 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 appengine
package main
// This file replaces main.go when running godoc under app-engine.
// See README.godoc-app for details.
import (
"archive/zip"
"log"
"net/http"
"path"
)
func serveError(w http.ResponseWriter, r *http.Request, relpath string, err error) {
w.WriteHeader(http.StatusNotFound)
servePage(w, Page{
Title: "File " + relpath,
Subtitle: relpath,
Body: applyTemplate(errorHTML, "errorHTML", err), // err may contain an absolute path!
})
}
func init() {
log.Println("initializing godoc ...")
log.Printf(".zip file = %s", zipFilename)
log.Printf(".zip GOROOT = %s", zipGoroot)
log.Printf("index files = %s", indexFilenames)
// initialize flags for app engine
*goroot = path.Join("/", zipGoroot) // fsHttp paths are relative to '/'
*indexEnabled = true
*indexFiles = indexFilenames
*maxResults = 100 // reduce latency by limiting the number of fulltext search results
*indexThrottle = 0.3 // in case *indexFiles is empty (and thus the indexer is run)
*showPlayground = true
// read .zip file and set up file systems
const zipfile = zipFilename
rc, err := zip.OpenReader(zipfile)
if err != nil {
log.Fatalf("%s: %s\n", zipfile, err)
}
// rc is never closed (app running forever)
fs.Bind("/", NewZipFS(rc, zipFilename), *goroot, bindReplace)
// initialize http handlers
readTemplates()
initHandlers()
registerPublicHandlers(http.DefaultServeMux)
registerPlaygroundHandlers(http.DefaultServeMux)
// initialize default directory tree with corresponding timestamp.
initFSTree()
// Immediately update metadata.
updateMetadata()
// initialize search index
if *indexEnabled {
go indexer()
}
log.Println("godoc initialization complete")
}
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