Cron improvements from masquerade. #2425

git-svn-id: http://svn.automattic.com/wordpress/trunk@3634 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2006-03-07 21:43:59 +00:00
parent 8d5089e9d1
commit fb1e531077
5 changed files with 136 additions and 69 deletions
--- a/wp-includes/cron.php
+++ b/wp-includes/cron.php
@@ -0,0 +1,109 @@
+<?php
+function wp_schedule_single_event($timestamp, $hook) {
+	$args = array_slice(func_get_args(), 2);
+	$crons = get_option('cron');
+	$crons[$timestamp][$hook] = array('schedule' => false, 'args' => $args);
+	ksort($crons);
+	update_option('cron', $crons);
+}
+function wp_schedule_new_event($timestamp, $recurrence, $hook) {
+	$args = array_slice(func_get_args(), 3);
+	$crons = get_option('cron');
+	$schedules = wp_get_schedules();
+	if(!isset($schedules[$recurrence]))
+		return false;
+	$crons[$timestamp][$hook] = array('schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval']);
+	ksort($crons);
+	update_option('cron', $crons);
+}
+
+
+function wp_reschedule_event($timestamp, $recurrence, $hook) {
+	$args = array_slice(func_get_args(), 3);
+	$crons = get_option('cron');
+	$schedules = wp_get_schedules();
+	$interval = 0;
+	
+	// First we try to get it from the schedule
+	if( 0 == $interval )
+		$interval = $schedules[$recurrence]['interval'];
+	// Now we try to get it from the saved interval in case the schedule disappears
+	if( 0 == $interval )
+		$interval = $crons[$timestamp][$hook]['interval'];
+	// Now we assume something is wrong and fail to schedule
+	if( 0 == $interval )
+		return false;
+
+	while($timestamp < time() + 1) {
+		$timestamp += $interval;
+	}
+	wp_schedule_new_event($timestamp, $recurrence, $hook);
+}
+
+function wp_unschedule_event($timestamp, $hook) {
+	$crons = get_option('cron');
+	unset($crons[$timestamp][$hook]);
+	if ( empty($crons[$timestamp]) )
+		unset($crons[$timestamp]);
+	update_option('cron', $crons);
+}
+
+function wp_clear_scheduled_hook($hook) {
+	while($timestamp = next_scheduled($hook))
+		wp_unschedule_event($timestamp, $hook);
+}
+
+function wp_next_scheduled($hook) {
+	$crons = get_option('cron');
+	if ( empty($crons) )
+		return false;
+	foreach($crons as $timestamp => $cron) {
+		//if($timestamp <= time()) continue;
+		if(isset($cron[$hook])) return $timestamp;
+	}
+	return false;
+}
+
+function spawn_cron() {
+	if (array_shift(array_keys(get_option('cron'))) > time()) return;
+
+	//Since execute pings had CGI problems, but I'd like to test this without this code first
+	// It seems to be working on CGI here, please report if you have issues
+/*	if ( substr(php_sapi_name(), 0, 3) == 'cgi' ) {
+		echo '<iframe src="' . $cron_url . '"></iframe>';
+	}*/
+	
+	$cron_url = get_settings('siteurl') . '/wp-cron.php';
+	$parts = parse_url($cron_url);
+	
+	$argyle = @ fsockopen($parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01);
+	if ( $argyle )
+		fputs($argyle, "GET {$parts['path']}?time=" . time() . '&check='
+		. md5(DB_PASS . '187425') . " HTTP/1.0\r\nHost: {$_SERVER['HTTP_HOST']}\r\n\r\n");
+}
+
+function wp_cron() {
+	$crons = get_option('cron');
+	if (!is_array($crons) || array_shift(array_keys($crons)) > time())
+		return;
+
+	$schedules = wp_get_schedules();
+	foreach ($crons as $timestamp => $cronhooks) {
+		if ($timestamp > time()) break;
+		foreach($cronhooks as $hook => $args) {
+			if(isset($schedules[$hook]['callback']) && !call_user_func($schedules[$hook]['callback']))
+				continue;
+			spawn_cron();
+			break 2;
+		}
+	}
+}
+
+function wp_get_schedules() {
+	$schedules = array(
+		'hourly' => array('interval' => 3600, 'display' => __('Once Hourly')),
+		'daily' => array('interval' => 86400, 'display' => __('Once Daily')),
+	);
+	return array_merge(apply_filters('cron_schedules', array()), $schedules);
+}
+?>