Performance improvements when storing items (via API)

boot.php

@@ -1897,11 +1897,12 @@ function get_max_import_size() {
  * @brief Wrap calls to proc_close(proc_open()) and call hook
  *	so plugins can take part in process :)
  *
- * @param (string|integer) $cmd program to run or priority
+ * @param (string|integer|array) $cmd program to run, priority or parameter array
  *
  * next args are passed as $cmd command line
  * e.g.: proc_run("ls","-la","/tmp");
  * or: proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
+ * or: proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
  *
  * @note $cmd and string args are surrounded with ""
  *
@@ -1912,24 +1913,31 @@ function proc_run($cmd){
 
 	$a = get_app();
 
-	$args = func_get_args();
+	$proc_args = func_get_args();
 
-	$newargs = array();
-	if (!count($args))
+	$args = array();
+	if (!count($proc_args)) {
 		return;
-
-	// expand any arrays
-
-	foreach($args as $arg) {
-		if(is_array($arg)) {
-			foreach($arg as $n) {
-				$newargs[] = $n;
-			}
-		} else
-			$newargs[] = $arg;
 	}
 
-	$args = $newargs;
+	// Preserve the first parameter
+	// It could contain a command, the priority or an parameter array
+	// If we use the parameter array we have to protect it from the following function
+	$run_parameter = array_shift($proc_args);
+
+	// expand any arrays
+	foreach ($proc_args as $arg) {
+		if (is_array($arg)) {
+			foreach ($arg as $n) {
+				$args[] = $n;
+			}
+		} else {
+			$args[] = $arg;
+		}
+	}
+
+	// Now we add the run parameters back to the array
+	array_unshift($args, $run_parameter);
 
 	$arr = array('args' => $args, 'run_cmd' => true);
 
@@ -1937,16 +1945,24 @@ function proc_run($cmd){
 	if (!$arr['run_cmd'] OR !count($args))
 		return;
 
-	if (!get_config("system", "worker") OR
-		(($args[0] != 'php') AND !is_int($args[0]))) {
+	if (!get_config("system", "worker") OR (is_string($run_parameter) AND ($run_parameter != 'php'))) {
 		$a->proc_run($args);
 		return;
 	}
 
-	if (is_int($args[0]))
-		$priority = $args[0];
-	else
-		$priority = PRIORITY_MEDIUM;
+	$priority = PRIORITY_MEDIUM;
+	$dont_fork = get_config("system", "worker_dont_fork");
+
+	if (is_int($run_parameter)) {
+		$priority = $run_parameter;
+	} elseif (is_array($run_parameter)) {
+		if (isset($run_parameter['priority'])) {
+			$priority = $run_parameter['priority'];
+		}
+		if (isset($run_parameter['dont_fork'])) {
+			$dont_fork = $run_parameter['dont_fork'];
+		}
+	}
 
 	$argv = $args;
 	array_shift($argv);
@@ -1963,8 +1979,9 @@ function proc_run($cmd){
 			intval($priority));
 
 	// Should we quit and wait for the poller to be called as a cronjob?
-	if (get_config("system", "worker_dont_fork"))
+	if ($dont_fork) {
 		return;
+	}
 
 	// Checking number of workers
 	$workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");

include/Photo.php

@@ -707,11 +707,6 @@ class Photo {
 			);
 		}
 
-		// Update the cached values
-		if ($album != 'Contact Photos') {
-			photo_albums($uid, true);
-		}
-
 		return $r;
 	}
 }
@@ -872,7 +867,7 @@ function get_photo_info($url) {
 
 	$data = Cache::get($url);
 
-	if (is_null($data) OR !$data) {
+	if (is_null($data) OR !$data OR !is_array($data)) {
 		$img_str = fetch_url($url, true, $redirects, 4);
 		$filesize = strlen($img_str);
 

include/api.php

@@ -281,16 +281,15 @@
 					logger("API call duration: ".round($duration, 2)."\t".$a->query_string, LOGGER_DEBUG);
 
 					if (get_config("system", "profiler")) {
-						logger(sprintf("Database: %s/%s, Network: %s, Rendering: %s, Session: %s, I/O: %s, Other: %s, Total: %s",
+						$duration = microtime(true)-$a->performance["start"];
+
+						logger(parse_url($a->query_string, PHP_URL_PATH).": ".sprintf("Database: %s/%s, Network: %s, I/O: %s, Other: %s, Total: %s",
 							round($a->performance["database"] - $a->performance["database_write"], 3),
 							round($a->performance["database_write"], 3),
 							round($a->performance["network"], 2),
-							round($a->performance["rendering"], 2),
-							round($a->performance["parser"], 2),
 							round($a->performance["file"], 2),
-							round($duration - $a->performance["database"]
-								 - $a->performance["network"] - $a->performance["rendering"]
-								 - $a->performance["parser"] - $a->performance["file"], 2),
+							round($duration - ($a->performance["database"] + $a->performance["network"]
+								+ $a->performance["file"]), 2),
 							round($duration, 2)),
 							LOGGER_DEBUG);
 

include/create_shadowentry.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * @file include/create_shadowentry.php
+ * @brief This script creates posts with UID = 0 for a given public post.
+ *
+ * This script is started from mod/item.php to save some time when doing a post.
+ */
+require_once("boot.php");
+require_once("include/threads.php");
+
+function create_shadowentry_run(&$argv, &$argc) {
+	global $a, $db;
+
+	if (is_null($a))
+		$a = new App;
+
+	if (is_null($db)) {
+		@include(".htconfig.php");
+		require_once("include/dba.php");
+		$db = new dba($db_host, $db_user, $db_pass, $db_data);
+		unset($db_host, $db_user, $db_pass, $db_data);
+	}
+
+	load_config('config');
+	load_config('system');
+
+	if ($argc != 2) {
+		return;
+	}
+
+	$message_id = intval($argv[1]);
+
+	add_shadow_entry($message_id);
+}
+
+if (array_search(__file__,get_included_files())===0){
+  create_shadowentry_run($_SERVER["argv"],$_SERVER["argc"]);
+  killme();
+}
+?>

include/threads.php

@@ -123,8 +123,19 @@ function add_shadow_thread($itemid) {
 function add_shadow_entry($itemid) {
 
 	$items = q("SELECT * FROM `item` WHERE `id` = %d", intval($itemid));
+
+	if (!dbm::is_result($items)) {
+		return;
+	}
+
 	$item = $items[0];
 
+	// Is it a toplevel post?
+	if ($item['id'] == $item['parent']) {
+		add_shadow_thread($itemid);
+		return;
+	}
+
 	// Is this a shadow entry?
 	if ($item['uid'] == 0)
 		return;

mod/item.php

@@ -1020,22 +1020,13 @@ function item_post(&$a) {
 	create_tags_from_item($post_id);
 	create_files_from_item($post_id);
 
-	// Insert an item entry for UID=0 for global entries
-	if ($post_id != $parent) {
-		add_shadow_thread($post_id);
-	} else {
-		add_shadow_entry($post_id);
-	}
-
-	// This is a real juggling act on shared hosting services which kill your processes
-	// e.g. dreamhost. We used to start delivery to our native delivery agents in the background
-	// and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
-	// because as soon as you start loading up a bunch of remote delivey processes, *this* page is
-	// likely to get killed off. If you end up looking at an /item URL and a blank page,
-	// it's very likely the delivery got killed before all your friends could be notified.
-	// Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
-	// or cut back on plugins which do remote deliveries.
+	// Insert an item entry for UID=0 for global entries.
+	// We now do it in the background to save some time.
+	// This is important in interactive environments like the frontend or the API.
+	// We don't fork a new process since this is done anyway with the following command
+	proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
 
+	// Call the background process that is delivering the item to the receivers
 	proc_run(PRIORITY_HIGH, "include/notifier.php", $notify_type, $post_id);
 
 	logger('post_complete');