forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			120 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env php
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| <?php
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| /*
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|  * Laconica - a distributed open-source microblogging tool
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|  * Copyright (C) 2008, Controlez-Vous, Inc.
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| # Abort if called from a web server
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| if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
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| 	print "This script must be run from the command line\n";
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| 	exit();
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| }
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| 
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| define('INSTALLDIR', dirname(__FILE__));
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| define('LACONICA', true);
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| 
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| require_once(INSTALLDIR . '/lib/common.php');
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| 
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| # Notices should be broadcast in 30 minutes or less
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| 
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| define('CLAIM_TIMEOUT', 30 * 60);
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| 
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| function qd_log($priority, $msg) {
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| 	common_log($level, 'queuedaemon: '.$msg);
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| }
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| 
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| function qd_top_item() {
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| 	
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| 	$qi = new Queue_item();
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| 	$qi->orderBy('created');
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| 	$qi->whereAdd('claimed is NULL');
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| 	
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| 	$qi->limit(1);
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| 
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| 	$cnt = $qi->find(TRUE);
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| 	
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| 	if ($cnt) {
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| 		# XXX: potential race condition
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| 		# can we force it to only update if claimed is still NULL
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| 		# (or old)?
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| 		qd_log(LOG_INFO, 'claiming queue item = ' . $qi->notice_id);
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| 		$orig = clone($qi);
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| 		$qi->claimed = DB_DataObject_Cast::dateTime();
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| 		$result = $qi->update($orig);
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| 		if ($result) {
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| 			qd_log(LOG_INFO, 'claim succeeded.');
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| 			return $qi;
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| 		} else {
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| 			qd_log(LOG_INFO, 'claim failed.');
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| 		}
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| 	}
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| 	$qi = NULL;
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| 	return NULL;
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| }
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| 
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| function qd_clear_old_claims() {
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| 	$qi = new Queue_item();
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| 	$qi->orderBy('created');
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| 	$qi->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
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| 	if ($qi->find()) {
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| 		while ($qi->fetch()) {
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| 			$orig = clone($qi);
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| 			$qi->claimed = NULL;
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| 			$qi->update($orig);
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| 		}
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| 	}
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| }
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| 
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| function qd_is_remote($notice) {
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| 	$user = User::staticGet($notice->profile_id);
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| 	return !$user;
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| }
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| 
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| $in_a_row = 0;
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| 
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| do {
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| 	qd_log(LOG_INFO, 'checking for queued notices');
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| 	$qi = qd_top_item();
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| 	if ($qi) {
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| 		$in_a_row++;
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| 		qd_log(LOG_INFO, 'Got queue item #'.$in_a_row.' enqueued '.common_exact_date($qi->created));
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| 		$notice = Notice::staticGet($qi->notice_id);
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| 		if ($notice) {
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| 			qd_log(LOG_INFO, 'broadcasting notice ID = ' . $notice->id);
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| 			# XXX: what to do if broadcast fails?
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| 			common_real_broadcast($notice, qd_is_remote($notice));
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| 			qd_log(LOG_INFO, 'finished broadcasting notice ID = ' . $notice->id);
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| 			$notice = NULL;
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| 		} else {
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| 			qd_log(LOG_WARNING, 'queue item for notice that does not exist');
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| 		}
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| 		$qi->delete();
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| 		$qi = NULL;
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| 	} else {
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| 		# qd_clear_old_claims();
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| 		# In busy times, sleep less
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| 		$sleeptime = 30000000/($in_a_row+1);
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| 		qd_log(LOG_INFO, 'sleeping ' . $sleeptime . ' microseconds');
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| 		usleep($sleeptime);
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| 		$in_a_row = 0;
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| 	}
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| 	# Clear the DB_DataObject cache so we get fresh data
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| 	$GLOBALS['_DB_DATAOBJECT']['CACHE'] = array();
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| } while (true);
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| 
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| ?>
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