These results are based on our legacy PHP analysis, consider migrating to our new PHP analysis engine instead. Learn more
1 | <?php |
||
2 | /** |
||
3 | * memcached diagnostic tool |
||
4 | * |
||
5 | * This program is free software; you can redistribute it and/or modify |
||
6 | * it under the terms of the GNU General Public License as published by |
||
7 | * the Free Software Foundation; either version 2 of the License, or |
||
8 | * (at your option) any later version. |
||
9 | * |
||
10 | * This program is distributed in the hope that it will be useful, |
||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
13 | * GNU General Public License for more details. |
||
14 | * |
||
15 | * You should have received a copy of the GNU General Public License along |
||
16 | * with this program; if not, write to the Free Software Foundation, Inc., |
||
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
||
18 | * http://www.gnu.org/copyleft/gpl.html |
||
19 | * |
||
20 | * @file |
||
21 | * @todo document |
||
22 | * @ingroup Maintenance |
||
23 | */ |
||
24 | |||
25 | $optionsWithArgs = [ 'cache' ]; |
||
26 | $optionsWithoutArgs = [ |
||
27 | 'debug', 'help' |
||
28 | ]; |
||
29 | require_once __DIR__ . '/commandLine.inc'; |
||
30 | |||
31 | $debug = isset( $options['debug'] ); |
||
32 | $help = isset( $options['help'] ); |
||
33 | $cache = isset( $options['cache'] ) ? $options['cache'] : null; |
||
34 | |||
35 | if ( $help ) { |
||
36 | mccShowUsage(); |
||
37 | exit( 0 ); |
||
38 | } |
||
39 | $mcc = new MemcachedClient( [ |
||
40 | 'persistent' => true, |
||
41 | 'debug' => $debug, |
||
42 | ] ); |
||
43 | |||
44 | if ( $cache ) { |
||
45 | if ( !isset( $wgObjectCaches[$cache] ) ) { |
||
46 | print "MediaWiki isn't configured with a cache named '$cache'"; |
||
47 | exit( 1 ); |
||
48 | } |
||
49 | $servers = $wgObjectCaches[$cache]['servers']; |
||
50 | } elseif ( $wgMainCacheType === CACHE_MEMCACHED ) { |
||
51 | $mcc->set_servers( $wgMemCachedServers ); |
||
52 | } elseif ( isset( $wgObjectCaches[$wgMainCacheType]['servers'] ) ) { |
||
53 | $mcc->set_servers( $wgObjectCaches[$wgMainCacheType]['servers'] ); |
||
54 | } else { |
||
55 | print "MediaWiki isn't configured for Memcached usage\n"; |
||
56 | exit( 1 ); |
||
57 | } |
||
58 | |||
59 | /** |
||
60 | * Show this command line tool usage. |
||
61 | */ |
||
62 | function mccShowUsage() { |
||
63 | echo <<<EOF |
||
64 | Usage: |
||
65 | mcc.php [--debug] |
||
66 | mcc.php --help |
||
67 | |||
68 | MemCached Command (mcc) is an interactive command tool that let you interact |
||
69 | with the MediaWiki memcached cache. |
||
70 | |||
71 | Options: |
||
72 | --debug Set debug mode on the memcached connection. |
||
73 | --help This help screen. |
||
74 | |||
75 | Interactive commands: |
||
76 | |||
77 | EOF; |
||
78 | print "\t"; |
||
79 | print str_replace( "\n", "\n\t", mccGetHelp( false ) ); |
||
80 | print "\n"; |
||
81 | } |
||
82 | |||
83 | function mccGetHelp( $command ) { |
||
84 | $output = ''; |
||
85 | $commandList = [ |
||
86 | 'get' => 'grabs something', |
||
87 | 'getsock' => 'lists sockets', |
||
88 | 'set' => 'changes something', |
||
89 | 'delete' => 'deletes something', |
||
90 | 'history' => 'show command line history', |
||
91 | 'server' => 'show current memcached server', |
||
92 | 'dumpmcc' => 'shows the whole thing', |
||
93 | 'exit' => 'exit mcc', |
||
94 | 'quit' => 'exit mcc', |
||
95 | 'help' => 'help about a command', |
||
96 | ]; |
||
97 | if ( !$command ) { |
||
98 | $command = 'fullhelp'; |
||
99 | } |
||
100 | if ( $command === 'fullhelp' ) { |
||
101 | $max_cmd_len = max( array_map( 'strlen', array_keys( $commandList ) ) ); |
||
102 | foreach ( $commandList as $cmd => $desc ) { |
||
103 | $output .= sprintf( "%-{$max_cmd_len}s: %s\n", $cmd, $desc ); |
||
104 | } |
||
105 | } elseif ( isset( $commandList[$command] ) ) { |
||
106 | $output .= "$command: $commandList[$command]\n"; |
||
107 | } else { |
||
108 | $output .= "$command: command does not exist or no help for it\n"; |
||
109 | } |
||
110 | |||
111 | return $output; |
||
112 | } |
||
113 | |||
114 | do { |
||
115 | $bad = false; |
||
116 | $showhelp = false; |
||
117 | $quit = false; |
||
118 | |||
119 | $line = Maintenance::readconsole(); |
||
120 | if ( $line === false ) { |
||
121 | exit; |
||
122 | } |
||
123 | |||
124 | $args = explode( ' ', $line ); |
||
125 | $command = array_shift( $args ); |
||
126 | |||
127 | // process command |
||
128 | switch ( $command ) { |
||
129 | case 'help': |
||
130 | // show an help message |
||
131 | print mccGetHelp( array_shift( $args ) ); |
||
132 | break; |
||
133 | |||
134 | case 'get': |
||
135 | $sub = ''; |
||
136 | if ( array_key_exists( 1, $args ) ) { |
||
137 | $sub = $args[1]; |
||
138 | } |
||
139 | print "Getting {$args[0]}[$sub]\n"; |
||
140 | $res = $mcc->get( $args[0] ); |
||
141 | if ( array_key_exists( 1, $args ) ) { |
||
142 | $res = $res[$args[1]]; |
||
143 | } |
||
144 | View Code Duplication | if ( $res === false ) { |
|
145 | # print 'Error: ' . $mcc->error_string() . "\n"; |
||
146 | print "MemCached error\n"; |
||
147 | } elseif ( is_string( $res ) ) { |
||
148 | print "$res\n"; |
||
149 | } else { |
||
150 | var_dump( $res ); |
||
0 ignored issues
–
show
Security
Debugging Code
introduced
by
Loading history...
|
|||
151 | } |
||
152 | break; |
||
153 | |||
154 | case 'getsock': |
||
155 | $res = $mcc->get( $args[0] ); |
||
156 | $sock = $mcc->get_sock( $args[0] ); |
||
157 | var_dump( $sock ); |
||
158 | break; |
||
159 | |||
160 | case 'server': |
||
161 | if ( $mcc->_single_sock !== null ) { |
||
162 | print $mcc->_single_sock . "\n"; |
||
163 | break; |
||
164 | } |
||
165 | $res = $mcc->get( $args[0] ); |
||
166 | $hv = $mcc->_hashfunc( $args[0] ); |
||
167 | for ( $i = 0; $i < 3; $i++ ) { |
||
168 | print $mcc->_buckets[$hv % $mcc->_bucketcount] . "\n"; |
||
169 | $hv += $mcc->_hashfunc( $i . $args[0] ); |
||
170 | } |
||
171 | break; |
||
172 | |||
173 | case 'set': |
||
174 | $key = array_shift( $args ); |
||
175 | if ( $args[0] == "#" && is_numeric( $args[1] ) ) { |
||
176 | $value = str_repeat( '*', $args[1] ); |
||
177 | } else { |
||
178 | $value = implode( ' ', $args ); |
||
179 | } |
||
180 | if ( !$mcc->set( $key, $value, 0 ) ) { |
||
181 | # print 'Error: ' . $mcc->error_string() . "\n"; |
||
182 | print "MemCached error\n"; |
||
183 | } |
||
184 | break; |
||
185 | |||
186 | case 'delete': |
||
187 | $key = implode( ' ', $args ); |
||
188 | if ( !$mcc->delete( $key ) ) { |
||
189 | # print 'Error: ' . $mcc->error_string() . "\n"; |
||
190 | print "MemCached error\n"; |
||
191 | } |
||
192 | break; |
||
193 | |||
194 | case 'history': |
||
195 | if ( function_exists( 'readline_list_history' ) ) { |
||
196 | foreach ( readline_list_history() as $num => $line ) { |
||
197 | print "$num: $line\n"; |
||
198 | } |
||
199 | } else { |
||
200 | print "readline_list_history() not available\n"; |
||
201 | } |
||
202 | break; |
||
203 | |||
204 | case 'dumpmcc': |
||
205 | var_dump( $mcc ); |
||
206 | break; |
||
207 | |||
208 | case 'quit': |
||
209 | case 'exit': |
||
210 | $quit = true; |
||
211 | break; |
||
212 | |||
213 | default: |
||
214 | $bad = true; |
||
215 | } // switch() end |
||
216 | |||
217 | if ( $bad ) { |
||
218 | if ( $command ) { |
||
219 | print "Bad command\n"; |
||
220 | } |
||
221 | } else { |
||
222 | if ( function_exists( 'readline_add_history' ) ) { |
||
223 | readline_add_history( $line ); |
||
224 | } |
||
225 | } |
||
226 | } while ( !$quit ); |
||
227 |