xref: /dokuwiki/bin/indexer.php (revision 3e1ca056e645515478add4931738a5f476e1bf3e) 
1#!/usr/bin/php
2<?php
3if ('cli' != php_sapi_name()) die();
4
5ini_set('memory_limit','128M');
6if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
7require_once(DOKU_INC.'inc/init.php');
8require_once(DOKU_INC.'inc/common.php');
9require_once(DOKU_INC.'inc/pageutils.php');
10require_once(DOKU_INC.'inc/search.php');
11require_once(DOKU_INC.'inc/indexer.php');
12require_once(DOKU_INC.'inc/auth.php');
13require_once(DOKU_INC.'inc/cliopts.php');
14session_write_close();
15
16// Version tag used to force rebuild on upgrade
17// Need to keep in sync with lib/exe/indexer.php
18if(!defined('INDEXER_VERSION')) define('INDEXER_VERSION', 2);
19
20// handle options
21$short_opts = 'hcuq';
22$long_opts  = array('help', 'clear', 'update', 'quiet');
23$OPTS = Doku_Cli_Opts::getOptions(__FILE__,$short_opts,$long_opts);
24if ( $OPTS->isError() ) {
25    fwrite( STDERR, $OPTS->getMessage() . "\n");
26    _usage();
27    exit(1);
28}
29$CLEAR = false;
30$QUIET = false;
31foreach ($OPTS->options as $key => $val) {
32    switch ($key) {
33        case 'h':
34        case 'help':
35            _usage();
36            exit;
37        case 'c':
38        case 'clear':
39            $CLEAR = true;
40            break;
41        case 'q':
42        case 'quiet':
43            $QUIET = true;
44            break;
45    }
46}
47
48#------------------------------------------------------------------------------
49# Action
50
51if($CLEAR) _clearindex();
52_update();
53
54
55
56#------------------------------------------------------------------------------
57
58function _usage() {
59    print "Usage: indexer.php <options>
60
61    Updates the searchindex by indexing all new or changed pages
62    when the -c option is given the index is cleared first.
63
64    OPTIONS
65        -h, --help     show this help and exit
66        -c, --clear    clear the index before updating
67        -q, --quiet    don't produce any output
68";
69}
70
71function _update(){
72    global $conf;
73
74    $data = array();
75    _quietecho("Searching pages... ");
76    search($data,$conf['datadir'],'search_allpages',array('skipacl' => true));
77    _quietecho(count($data)." pages found.\n");
78
79    foreach($data as $val){
80        _index($val['id']);
81    }
82}
83
84function _index($id){
85    global $CLEAR;
86
87    // if not cleared only update changed and new files
88    if(!$CLEAR){
89        $idxtag = metaFN($id,'.indexed');
90        if(@file_exists($idxtag)){
91            if(io_readFile($idxtag) >= INDEXER_VERSION){
92                $last = @filemtime(metaFN($id,'.indexed'));
93                if($last > @filemtime(wikiFN($id))) return;
94            }
95        }
96    }
97
98    _lock();
99    _quietecho("$id... ");
100    idx_addPage($id);
101    io_saveFile(metaFN($id,'.indexed'),INDEXER_VERSION);
102    _quietecho("done.\n");
103    _unlock();
104}
105
106/**
107 * lock the indexer system
108 */
109function _lock(){
110    global $conf;
111    $lock = $conf['lockdir'].'/_indexer.lock';
112    $said = false;
113    while(!@mkdir($lock, $conf['dmode'])){
114        if(time()-@filemtime($lock) > 60*5){
115            // looks like a stale lock - remove it
116            @rmdir($lock);
117        }else{
118            if($said){
119                _quietecho(".");
120            }else{
121                _quietecho("Waiting for lockfile (max. 5 min)");
122                $said = true;
123            }
124            sleep(15);
125        }
126    }
127    if($conf['dperm']) chmod($lock, $conf['dperm']);
128    if($said) _quietecho("\n");
129}
130
131/**
132 * unlock the indexer sytem
133 */
134function _unlock(){
135    global $conf;
136    $lock = $conf['lockdir'].'/_indexer.lock';
137    @rmdir($lock);
138}
139
140/**
141 * Clear all index files
142 */
143function _clearindex(){
144    global $conf;
145    _lock();
146    _quietecho("Clearing index... ");
147    io_saveFile($conf['indexdir'].'/page.idx','');
148    io_saveFile($conf['indexdir'].'/title.idx','');
149    $dir = @opendir($conf['indexdir']);
150    if($dir!==false){
151        while(($f = readdir($dir)) !== false){
152            if(substr($f,-4)=='.idx' &&
153               (substr($f,0,1)=='i' || substr($f,0,1)=='w'))
154                @unlink($conf['indexdir']."/$f");
155        }
156    }
157    _quietecho("done.\n");
158    _unlock();
159}
160
161function _quietecho($msg) {
162    global $QUIET;
163    if(!$QUIET) echo $msg;
164}
165
166//Setup VIM: ex: et ts=2 :
167