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| 1 // Copyright 2011 The Go Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style | |
| 3 // license that can be found in the LICENSE file. | |
| 4 | |
| 5 // +build appengine | |
| 6 | |
| 7 package main | |
| 8 | |
| 9 // This file replaces main.go when running godoc under app-engine. | |
| 10 // See README.godoc-app for details. | |
| 11 | |
| 12 import ( | |
| 13 "archive/zip" | |
| 14 "log" | |
| 15 "net/http" | |
| 16 "path" | |
| 17 ) | |
| 18 | |
| 19 func serveError(w http.ResponseWriter, r *http.Request, relpath string, err erro
r) { | |
| 20 w.WriteHeader(http.StatusNotFound) | |
| 21 servePage(w, Page{ | |
| 22 Title: "File " + relpath, | |
| 23 Subtitle: relpath, | |
| 24 Body: applyTemplate(errorHTML, "errorHTML", err), // err may
contain an absolute path! | |
| 25 }) | |
| 26 } | |
| 27 | |
| 28 func init() { | |
| 29 log.Println("initializing godoc ...") | |
| 30 log.Printf(".zip file = %s", zipFilename) | |
| 31 log.Printf(".zip GOROOT = %s", zipGoroot) | |
| 32 log.Printf("index files = %s", indexFilenames) | |
| 33 | |
| 34 // initialize flags for app engine | |
| 35 *goroot = path.Join("/", zipGoroot) // fsHttp paths are relative to '/' | |
| 36 *indexEnabled = true | |
| 37 *indexFiles = indexFilenames | |
| 38 *maxResults = 100 // reduce latency by limiting the number of fulltex
t search results | |
| 39 *indexThrottle = 0.3 // in case *indexFiles is empty (and thus the index
er is run) | |
| 40 *showPlayground = true | |
| 41 | |
| 42 // read .zip file and set up file systems | |
| 43 const zipfile = zipFilename | |
| 44 rc, err := zip.OpenReader(zipfile) | |
| 45 if err != nil { | |
| 46 log.Fatalf("%s: %s\n", zipfile, err) | |
| 47 } | |
| 48 // rc is never closed (app running forever) | |
| 49 fs.Bind("/", NewZipFS(rc, zipFilename), *goroot, bindReplace) | |
| 50 | |
| 51 // initialize http handlers | |
| 52 readTemplates() | |
| 53 initHandlers() | |
| 54 registerPublicHandlers(http.DefaultServeMux) | |
| 55 registerPlaygroundHandlers(http.DefaultServeMux) | |
| 56 | |
| 57 // initialize default directory tree with corresponding timestamp. | |
| 58 initFSTree() | |
| 59 | |
| 60 // Immediately update metadata. | |
| 61 updateMetadata() | |
| 62 | |
| 63 // initialize search index | |
| 64 if *indexEnabled { | |
| 65 go indexer() | |
| 66 } | |
| 67 | |
| 68 log.Println("godoc initialization complete") | |
| 69 } | |
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