-#!/usr/bin/php
+#!/usr/bin/env php
<?php
- // This is an experimental multiprocess update daemon.
- // Some configurable variable may be found below.
-
- // define('DEFAULT_ERROR_LEVEL', E_ALL);
- define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
+ set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
+ get_include_path());
declare(ticks = 1);
+ chdir(dirname(__FILE__));
define('DISABLE_SESSIONS', true);
define('PURGE_INTERVAL', 3600); // seconds
define('MAX_CHILD_RUNTIME', 600); // seconds
+ require_once "functions.php";
+ require_once "rssfuncs.php";
require_once "sanity_check.php";
require_once "config.php";
+ require_once "db.php";
+ require_once "db-prefs.php";
+ require_once "lib/magpierss/rss_fetch.inc";
define('MAX_JOBS', 2);
define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL);
die("error: This script requires PHP compiled with PCNTL module.\n");
}
- if (!ENABLE_UPDATE_DAEMON) {
- die("error: Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
- }
-
- require_once "db.php";
- require_once "db-prefs.php";
- require_once "functions.php";
- require_once "lib/magpierss/rss_fetch.inc";
-
- error_reporting(DEFAULT_ERROR_LEVEL);
-
$children = array();
$ctimes = array();
foreach ($children as $pid) {
if (pcntl_waitpid($pid, $status, WNOHANG) != $pid) {
- array_push($tmp, $pid);
+
+ if (file_is_locked("update_daemon-$pid.lock")) {
+ array_push($tmp, $pid);
+ } else {
+ _debug("[reap_children] child $pid seems active but lockfile is unlocked.");
+ unset($ctimes[$pid]);
+
+ }
} else {
- _debug("[SIGCHLD] child $pid reaped.");
+ _debug("[reap_children] child $pid reaped.");
unset($ctimes[$pid]);
}
}
function check_ctimes() {
global $ctimes;
-
+
foreach (array_keys($ctimes) as $pid) {
$started = $ctimes[$pid];
pcntl_waitpid(-1, $status, WNOHANG);
}
+ function shutdown() {
+ if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock"))
+ unlink(LOCK_DIRECTORY . "/update_daemon.lock");
+ }
+
+ function task_shutdown() {
+ $pid = posix_getpid();
+
+ if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock"))
+ unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock");
+ }
+
function sigint_handler() {
- unlink(LOCK_DIRECTORY . "/update_daemon.lock");
+ shutdown();
+ die("[SIGINT] removing lockfile and exiting.\n");
+ }
+
+ function task_sigint_handler() {
+ task_shutdown();
die("[SIGINT] removing lockfile and exiting.\n");
}
if (!pcntl_fork()) {
pcntl_signal(SIGINT, 'sigint_handler');
+ register_shutdown_function('shutdown');
// Try to lock a file in order to avoid concurrent update.
$lock_handle = make_lockfile("update_daemon.lock");
// Testing database connection.
// It is unnecessary to start the fork loop if database is not ok.
- $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+ $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
- if (!$link) {
- if (DB_TYPE == "mysql") {
- print mysql_error();
- }
- // PG seems to display its own errors just fine by default.
- return;
- }
+ if (!init_connection($link)) return;
db_close($link);
$ctimes[$pid] = time();
} else {
pcntl_signal(SIGCHLD, SIG_IGN);
- pcntl_signal(SIGINT, SIG_DFL);
+ pcntl_signal(SIGINT, 'task_sigint_handler');
+
+ register_shutdown_function('task_shutdown');
+
+ $my_pid = posix_getpid();
+ $lock_filename = "update_daemon-$my_pid.lock";
+
+ $lock_handle = make_lockfile($lock_filename);
+
+ if (!$lock_handle) {
+ die("error: Can't create lockfile ($lock_filename). ".
+ "Maybe another daemon is already running.\n");
+ }
// ****** Updating RSS code *******
// Only run in fork process.
$start_timestamp = time();
- $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+ $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
- if (!$link) {
- if (DB_TYPE == "mysql") {
- print mysql_error();
- }
- // PG seems to display its own errors just fine by default.
- return;
- }
-
- init_connection($link);
+ if (!init_connection($link)) return;
// We disable stamp file, since it is of no use in a multiprocess update.
// not really, tho for the time being -fox
if (!make_stampfile('update_daemon.stamp')) {
print "warning: unable to create stampfile";
- }
+ }
- // Call to the feed batch update function
+ // Call to the feed batch update function
// or regenerate feedbrowser cache
- if (rand(0,100) > 50) {
+ if (rand(0,100) > 30) {
update_daemon_common($link);
} else {
$count = update_feedbrowser_cache($link);
- _debug("Finished, $count feeds processed.");
+ _debug("Feedbrowser updated, $count feeds processed.");
+
+ purge_orphans($link, true);
+
+ $rc = cleanup_tags($link, 14, 50000);
+
+ _debug("Cleaned $rc cached tags.");
+
+ _debug("Updating linked feeds...");
+ get_linked_feeds($link);
+
}
_debug("Elapsed time: " . (time() - $start_timestamp) . " second(s)");
-
+
db_close($link);
// We are in a fork.
// We wait a little before exiting to avoid to be faster than our parent process.
sleep(1);
+
+ unlink(LOCK_DIRECTORY . "/$lock_filename");
+
// We exit in order to avoid fork bombing.
exit(0);
}
git.wh0rd.org / tt-rss.git / blobdiff