]>
git.wh0rd.org - tt-rss.git/blob - update_daemon2.php
3 set_include_path(dirname(__FILE__
) ."/include" . PATH_SEPARATOR
.
7 chdir(dirname(__FILE__
));
9 define('DISABLE_SESSIONS', true);
11 require_once "version.php";
13 if (strpos(VERSION
, ".99") !== false ||
getenv('DAEMON_XDEBUG')) {
14 define('DAEMON_EXTENDED_DEBUG', true);
17 require_once "autoload.php";
18 require_once "functions.php";
19 require_once "rssfuncs.php";
20 require_once "sanity_check.php";
21 require_once "config.php";
22 require_once "db.php";
23 require_once "db-prefs.php";
24 require_once "errorhandler.php";
27 define('PURGE_INTERVAL', 3600); // seconds
28 define('MAX_CHILD_RUNTIME', 600); // seconds
29 define('MAX_JOBS', 2);
30 define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL
); // seconds
32 if (!function_exists('pcntl_fork')) {
33 die("error: This script requires PHP compiled with PCNTL module.\n");
36 $master_handlers_installed = false;
41 $last_checkpoint = -1;
43 function reap_children() {
49 foreach ($children as $pid) {
50 if (pcntl_waitpid($pid, $status, WNOHANG
) != $pid) {
52 if (file_is_locked("update_daemon-$pid.lock")) {
53 array_push($tmp, $pid);
55 _debug("[reap_children] child $pid seems active but lockfile is unlocked.");
60 _debug("[reap_children] child $pid reaped.");
70 function check_ctimes() {
73 foreach (array_keys($ctimes) as $pid) {
74 $started = $ctimes[$pid];
76 if (time() - $started > MAX_CHILD_RUNTIME
) {
77 _debug("[MASTER] child process $pid seems to be stuck, aborting...");
78 posix_kill($pid, SIGKILL
);
83 function sigchld_handler($signal) {
84 $running_jobs = reap_children();
86 _debug("[SIGCHLD] jobs left: $running_jobs");
88 pcntl_waitpid(-1, $status, WNOHANG
);
91 function shutdown($caller_pid) {
92 if ($caller_pid == posix_getpid()) {
93 if (file_exists(LOCK_DIRECTORY
. "/update_daemon.lock")) {
94 _debug("removing lockfile (master)...");
95 unlink(LOCK_DIRECTORY
. "/update_daemon.lock");
100 function task_shutdown() {
101 $pid = posix_getpid();
103 if (file_exists(LOCK_DIRECTORY
. "/update_daemon-$pid.lock")) {
104 _debug("removing lockfile ($pid)...");
105 unlink(LOCK_DIRECTORY
. "/update_daemon-$pid.lock");
109 function sigint_handler() {
110 _debug("[MASTER] SIG_INT received.\n");
111 shutdown(posix_getpid());
115 function task_sigint_handler() {
116 _debug("[TASK] SIG_INT received.\n");
121 pcntl_signal(SIGCHLD
, 'sigchld_handler');
123 $longopts = array("log:",
129 $options = getopt("", $longopts);
131 if (isset($options["help"]) ) {
132 print "Tiny Tiny RSS update daemon.\n\n";
134 print " --log FILE - log messages to FILE\n";
135 print " --tasks N - amount of update tasks to spawn\n";
136 print " default: " . MAX_JOBS
. "\n";
137 print " --interval N - task spawn interval\n";
138 print " default: " . SPAWN_INTERVAL
. " seconds.\n";
139 print " --quiet - don't output messages to stdout\n";
143 define('QUIET', isset($options['quiet']));
145 if (isset($options["tasks"])) {
146 _debug("Set to spawn " . $options["tasks"] . " children.");
147 $max_jobs = $options["tasks"];
149 $max_jobs = MAX_JOBS
;
152 if (isset($options["interval"])) {
153 _debug("Spawn interval: " . $options["interval"] . " seconds.");
154 $spawn_interval = $options["interval"];
156 $spawn_interval = SPAWN_INTERVAL
;
159 if (isset($options["log"])) {
160 _debug("Logging to " . $options["log"]);
161 define('LOGFILE', $options["log"]);
164 if (file_is_locked("update_daemon.lock")) {
165 die("error: Can't create lockfile. ".
166 "Maybe another daemon is already running.\n");
169 // Try to lock a file in order to avoid concurrent update.
170 $lock_handle = make_lockfile("update_daemon.lock");
173 die("error: Can't create lockfile. ".
174 "Maybe another daemon is already running.\n");
179 $schema_version = get_schema_version();
181 if ($schema_version != SCHEMA_VERSION
) {
182 die("Schema version is wrong, please upgrade the database.\n");
187 // Since sleep is interupted by SIGCHLD, we need another way to
188 // respect the spawn interval
189 $next_spawn = $last_checkpoint +
$spawn_interval - time();
191 if ($next_spawn %
60 == 0) {
192 $running_jobs = count($children);
193 _debug("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec.");
196 if ($last_checkpoint +
$spawn_interval < time()) {
198 /* Check if schema version changed */
200 $test_schema_version = get_schema_version();
202 if ($test_schema_version != $schema_version) {
203 echo "Expected schema version: $schema_version, got: $test_schema_version\n";
204 echo "Schema version changed while we were running, bailing out\n";
211 for ($j = count($children); $j < $max_jobs; $j++
) {
214 die("fork failed!\n");
217 if (!$master_handlers_installed) {
218 _debug("[MASTER] installing shutdown handlers");
219 pcntl_signal(SIGINT
, 'sigint_handler');
220 register_shutdown_function('shutdown', posix_getpid());
221 $master_handlers_installed = true;
224 _debug("[MASTER] spawned client $j [PID:$pid]...");
225 array_push($children, $pid);
226 $ctimes[$pid] = time();
228 pcntl_signal(SIGCHLD
, SIG_IGN
);
229 pcntl_signal(SIGINT
, 'task_sigint_handler');
231 register_shutdown_function('task_shutdown');
233 $my_pid = posix_getpid();
234 $lock_filename = "update_daemon-$my_pid.lock";
236 $lock_handle = make_lockfile($lock_filename);
239 die("error: Can't create lockfile ($lock_filename). ".
240 "Maybe another daemon is already running.\n");
243 // ****** Updating RSS code *******
244 // Only run in fork process.
246 $start_timestamp = time();
248 if (!init_plugins()) return;
250 // We disable stamp file, since it is of no use in a multiprocess update.
251 // not really, tho for the time being -fox
252 if (!make_stampfile('update_daemon.stamp')) {
253 _debug("warning: unable to create stampfile\n");
256 // Call to the feed batch update function
257 // and maybe regenerate feedbrowser cache
261 _debug("Waiting before update [$j]..");
263 $nf = update_daemon_common();
265 if (rand(0,100) > 50) {
266 $count = update_feedbrowser_cache();
267 _debug("Feedbrowser updated, $count feeds processed.");
269 purge_orphans( true);
271 $rc = cleanup_tags( 14, 50000);
273 _debug("Cleaned $rc cached tags.");
276 $pluginhost->run_hooks($pluginhost::HOOK_UPDATE_TASK
, "hook_update_task", $op);
279 _debug("Elapsed time: " . (time() - $start_timestamp) . " second(s)");
282 _debug("Feeds processed: $nf");
284 if (time() - $start_timestamp > 0) {
285 _debug("Feeds/minute: " . sprintf("%.2d", $nf/((time()-$start_timestamp)/60)));
290 // We wait a little before exiting to avoid to be faster than our parent process.
293 unlink(LOCK_DIRECTORY
. "/$lock_filename");
295 // We exit in order to avoid fork bombing.
299 $last_checkpoint = time();