xref: /dokuwiki/bin/indexer.php (revision 1ca31cfe69e2d10cce65c4323eb652b355f4c904) 
1#!/usr/bin/php
2<?php
3
4if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
5require_once(DOKU_INC.'inc/init.php');
6require_once(DOKU_INC.'inc/common.php');
7require_once(DOKU_INC.'inc/pageutils.php');
8require_once(DOKU_INC.'inc/search.php');
9require_once(DOKU_INC.'inc/indexer.php');
10require_once(DOKU_INC.'inc/cliopts.php');
11session_write_close();
12
13// handle options
14$short_opts = 'hcu';
15$long_opts  = array('help', 'clean', 'update');
16$OPTS = Doku_Cli_Opts::getOptions(__FILE__,$short_opts,$long_opts);
17if ( $OPTS->isError() ) {
18    fwrite( STDERR, $OPTS->getMessage() . "\n");
19    _usage();
20    exit(1);
21}
22$CLEAR = false;
23foreach ($OPTS->options as $key => $val) {
24    switch ($key) {
25        case 'h':
26        case 'help':
27            _usage();
28            exit;
29        case 'c':
30        case 'clear':
31            $CLEAR = true;
32            break;
33    }
34}
35
36#------------------------------------------------------------------------------
37# Action
38
39if($CLEAR) _clearindex();
40_update();
41
42
43
44#------------------------------------------------------------------------------
45
46function _usage() {
47    print "Usage: indexer.php <options>
48
49    Updates the searchindex by indexing all new or changed pages
50    when the -c option is given the index is cleared first.
51
52    OPTIONS
53        -h, --help     show this help and exit
54        -c, --clear    clear the index before updating
55";
56}
57
58function _update(){
59    global $conf;
60    $data = array();
61    echo "Searching pages... ";
62    search($data,$conf['datadir'],'search_allpages',array());
63    echo count($data)." pages found.\n";
64
65    foreach($data as $val){
66        _index($val['id']);
67    }
68}
69
70function _index($id){
71    global $CLEAR;
72
73    // if not cleared only update changed and new files
74    if(!$CLEAR){
75      $last = @filemtime(metaFN($id,'.indexed'));
76      if($last > @filemtime(wikiFN($id))) return;
77    }
78
79    _lock();
80    echo "$id... ";
81    idx_addPage($id);
82    io_saveFile(metaFN($id,'.indexed'),' ');
83    echo "done.\n";
84    _unlock();
85}
86
87/**
88 * lock the indexer system
89 */
90function _lock(){
91    global $conf;
92    $lock = $conf['lockdir'].'/_indexer.lock';
93    $said = false;
94    while(!@mkdir($lock, $conf['dmode'])){
95        if(time()-@filemtime($lock) > 60*5){
96            // looks like a stale lock - remove it
97            @rmdir($lock);
98        }else{
99            if($said){
100                echo ".";
101            }else{
102                echo "Waiting for lockfile (max. 5 min)";
103                $said = true;
104            }
105            sleep(15);
106        }
107    }
108    if($conf['dperm']) chmod($lock, $conf['dperm']);
109    if($said) print "\n";
110}
111
112/**
113 * unlock the indexer sytem
114 */
115function _unlock(){
116    global $conf;
117    $lock = $conf['lockdir'].'/_indexer.lock';
118    @rmdir($lock);
119}
120
121/**
122 * Clear all index files
123 */
124function _clearindex(){
125    global $conf;
126    _lock();
127    echo "Clearing index... ";
128    io_saveFile($conf['cachedir'].'/word.idx','');
129    io_saveFile($conf['cachedir'].'/page.idx','');
130    io_saveFile($conf['cachedir'].'/index.idx','');
131    echo "done.\n";
132    _unlock();
133}
134
135//Setup VIM: ex: et ts=2 enc=utf-8 :
136