New asyncronous ping method. fixes #2048

git-svn-id: http://svn.automattic.com/wordpress/trunk@3317 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-footer.php

@@ -6,8 +6,7 @@
 </p>
 
 </div>
-<?php check_for_pings(); ?>
 <?php do_action('admin_footer', ''); ?>
 <script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>
 </body>
-</html>
+</html>

wp-admin/execute-pings.php

@@ -1,10 +1,6 @@
 <?php
-require_once('admin.php');
+require_once('../wp-config.php');
 
-if ( ! current_user_can('edit_posts') )
-	die (__("Cheatin' uh?"));
-
-echo '/* No Styles Here */';
 register_shutdown_function('execute_all_pings');
 //execute_all_pings();
 
@@ -14,7 +10,7 @@ function execute_all_pings() {
 	if($pings = $wpdb->get_results("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme';")) {
 		foreach($pings as $ping) {
 			pingback($ping->post_content, $ping->ID);
-			//echo "Pingback: $ping->post_title : $ping->ID<br/>";
+			echo "Pingback: $ping->post_title : $ping->ID<br/>";
 			$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';");
 		}
 	}
@@ -22,16 +18,19 @@ function execute_all_pings() {
 	if($enclosures = $wpdb->get_results("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme';")) {
 		foreach($enclosures as $enclosure) {
 			do_enclose($enclosure->post_content, $enclosure->ID);
-			//echo "Enclosure: $enclosure->post_title : $enclosure->ID<br/>";
+			echo "Enclosure: $enclosure->post_title : $enclosure->ID<br/>";
 			$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$enclosure->ID} AND meta_key = '_encloseme';");
 		}
 	}
 	// Do Trackbacks
 	if($trackbacks = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE TRIM(to_ping) != '' AND post_status != 'draft'")) {
 		foreach($trackbacks as $trackback) {
-			//echo "trackback : $trackback->ID<br/>";
+			echo "Trackback : $trackback->ID<br/>";
 			do_trackbacks($trackback->ID);
 		}
 	}
 }
+
+_e('Done.');
+
 ?>

wp-includes/comment-functions.php

@@ -639,7 +639,7 @@ function pingback($content, $post_ID) {
 		$pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
 
 		if ($pingback_server_url) {
-                        set_time_limit( 60 ); 
+			@ set_time_limit( 60 ); 
 			 // Now, the RPC call
 			debug_fwrite($log, "Page Linked To: $pagelinkedto \n");
 			debug_fwrite($log, 'Page Linked From: ');

wp-includes/functions-post.php

@@ -181,20 +181,21 @@ function wp_insert_post($postarr = array()) {
 	if ($post_status == 'publish') {
 		do_action('publish_post', $post_ID);
 
-		if ($post_pingback && !defined('WP_IMPORTING'))
-			$result = $wpdb->query("
-				INSERT INTO $wpdb->postmeta 
-				(post_id,meta_key,meta_value) 
-				VALUES ('$post_ID','_pingme','1')
-			");
-		if ( !defined('WP_IMPORTING') )
+		if ( !defined('WP_IMPORTING') ) {
+			if ( $post_pingback )
+				$result = $wpdb->query("
+					INSERT INTO $wpdb->postmeta 
+					(post_id,meta_key,meta_value) 
+					VALUES ('$post_ID','_pingme','1')
+				");
 			$result = $wpdb->query("
 				INSERT INTO $wpdb->postmeta 
 				(post_id,meta_key,meta_value) 
 				VALUES ('$post_ID','_encloseme','1')
 			");
-		//register_shutdown_function('do_trackbacks', $post_ID);
-	}	else if ($post_status == 'static') {
+			spawn_pinger();
+		}
+	} else if ($post_status == 'static') {
 		generate_page_rewrite_rules();
 
 		if ( !empty($page_template) )
@@ -702,6 +703,8 @@ function do_trackbacks($post_id) {
 		if ( !in_array($tb_ping, $pinged) ) {
 			trackback($tb_ping, $post_title, $excerpt, $post_id);
 			$pinged[] = $tb_ping;
+		} else {
+			$wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = '$post_id'");
 		}
 	endforeach; endif;
 }

wp-includes/functions.php

@@ -860,7 +860,7 @@ function trackback($trackback_url, $title, $excerpt, $ID) {
 
 	$tb_url = addslashes( $tb_url );
 	$wpdb->query("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'");
-	return $wpdb->query("UPDATE $wpdb->posts SET to_ping = REPLACE(to_ping, '$tb_url', '') WHERE ID = '$ID'");
+	return $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = '$ID'");
 }
 
 function make_url_footnote($content) {
@@ -937,7 +937,7 @@ function debug_fclose($fp) {
 	}
 }
 
-function check_for_pings() {
+function spawn_pinger() {
 	global $wpdb;
 	$doping = false;
 	if ( $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE TRIM(to_ping) != '' LIMIT 1") )
@@ -946,8 +946,13 @@ function check_for_pings() {
 	if ( $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_pingme' OR meta_key = '_encloseme' LIMIT 1") )
 		$doping = true;
 
-	if ( $doping )
-		echo '<iframe id="pingcheck" src="' . get_settings('siteurl') .'/wp-admin/execute-pings.php?time=' . time() . '" style="border:none;width:1px;height:1px;"></iframe>';
+	if ( $doping ) {
+		$ping_url = get_settings('siteurl') .'/wp-admin/execute-pings.php';
+		$parts = parse_url($ping_url);
+		$argyle = @ fsockopen($parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01);
+		if ( $argyle )
+			fputs($argyle, "GET {$parts['path']}?time=".time()." HTTP/1.0\r\nHost: {$_SERVER['HTTP_HOST']}\r\n\r\n");
+       }
 }
 
 function do_enclose( $content, $post_ID ) {