]> git.mxchange.org Git - friendica.git/commitdiff
The worker can now run from the frontend as well
authorMichael <heluecht@pirati.ca>
Sun, 27 Nov 2016 00:55:05 +0000 (00:55 +0000)
committerMichael <heluecht@pirati.ca>
Sun, 27 Nov 2016 00:55:05 +0000 (00:55 +0000)
boot.php
doc/htconfig.md
include/poller.php
index.php
mod/worker.php [new file with mode: 0644]

index b44c063f8a6ee0c4c1ff3c5d24b7e32375eaf0cb..866e7165c744021c7ede2541a930725a4cc22706 100644 (file)
--- a/boot.php
+++ b/boot.php
@@ -1385,6 +1385,10 @@ class App {
 
        function proc_run($args) {
 
+               if (!function_exists("proc_open")) {
+                       return;
+               }
+
                // Add the php path if it is a php call
                if (count($args) && ($args[0] === 'php' OR !is_string($args[0]))) {
 
index b6f98b2ef08f585d61c863b65be3968664393a2e..8e0b8909265fb7bf92839147574edfa0deb774b5 100644 (file)
@@ -29,6 +29,7 @@ Example: To set the directory value please add this line to your .htconfig.php:
 * disable_email_validation (Boolean) - Disables the check if a mail address is in a valid format and can be resolved via DNS.
 * disable_url_validation (Boolean) - Disables the DNS lookup of an URL.
 * event_input_format - Default value is "ymd".
+* frontend_worker (Boolean) - Activates the frontend worker which acts as a replacement for running the poller via the command line.
 * ignore_cache (Boolean) - For development only. Disables the item cache.
 * like_no_comment (Boolean) - Don't update the "commented" value of an item when it is liked.
 * local_block (Boolean) - Used in conjunction with "block_public".
index 2e036247e237cf06c40d5f514300b2c57e1a1525..b4f5df4bf5a9fcd2a1704fb145a988bd885bdf33 100644 (file)
@@ -15,7 +15,7 @@ use \Friendica\Core\PConfig;
 
 require_once("boot.php");
 
-function poller_run(&$argv, &$argc){
+function poller_run($argv, $argc){
        global $a, $db;
 
        if(is_null($a)) {
@@ -35,8 +35,6 @@ function poller_run(&$argv, &$argc){
 
        $a->start_process();
 
-       $mypid = getmypid();
-
        if ($a->max_processes_reached())
                return;
 
@@ -53,14 +51,7 @@ function poller_run(&$argv, &$argc){
        }
 
        if(($argc <= 1) OR ($argv[1] != "no_cron")) {
-               // Run the cron job that calls all other jobs
-               proc_run(PRIORITY_MEDIUM, "include/cron.php");
-
-               // Run the cronhooks job separately from cron for being able to use a different timing
-               proc_run(PRIORITY_MEDIUM, "include/cronhooks.php");
-
-               // Cleaning dead processes
-               poller_kill_stale_workers();
+               poller_run_cron();
        } else
                // Sleep four seconds before checking for running processes again to avoid having too many workers
                sleep(4);
@@ -69,101 +60,126 @@ function poller_run(&$argv, &$argc){
        if (poller_too_much_workers())
                return;
 
-       $cooldown = Config::get("system", "worker_cooldown", 0);
-
        $starttime = time();
 
        while ($r = poller_worker_process()) {
 
-               // Quit when in maintenance
-               if (get_config('system', 'maintenance', true))
+               // Count active workers and compare them with a maximum value that depends on the load
+               if (poller_too_much_workers()) {
                        return;
+               }
 
-               // Constantly check the number of parallel database processes
-               if ($a->max_processes_reached())
+               if (!poller_execute($r[0])) {
                        return;
+               }
 
-               // Constantly check the number of available database connections to let the frontend be accessible at any time
-               if (poller_max_connections_reached())
+               // Quit the poller once every hour
+               if (time() > ($starttime + 3600))
                        return;
+       }
 
-               // Count active workers and compare them with a maximum value that depends on the load
-               if (poller_too_much_workers())
-                       return;
+}
+
+/**
+ * @brief Execute a worker entry
+ *
+ * @param array $queue Workerqueue entry
+ *
+ * @return boolean "true" if further processing should be stopped
+ */
+function poller_execute($queue) {
 
-               $upd = q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d AND `pid` = 0",
-                       dbesc(datetime_convert()),
-                       intval($mypid),
-                       intval($r[0]["id"]));
+       $a = get_app();
 
-               if (!$upd) {
-                       logger("Couldn't update queue entry ".$r[0]["id"]." - skip this execution", LOGGER_DEBUG);
-                       q("COMMIT");
-                       continue;
-               }
+       $mypid = getmypid();
 
-               // Assure that there are no tasks executed twice
-               $id = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
-               if (!$id) {
-                       logger("Queue item ".$r[0]["id"]." vanished - skip this execution", LOGGER_DEBUG);
-                       q("COMMIT");
-                       continue;
-               } elseif ((strtotime($id[0]["executed"]) <= 0) OR ($id[0]["pid"] == 0)) {
-                       logger("Entry for queue item ".$r[0]["id"]." wasn't stored - skip this execution", LOGGER_DEBUG);
-                       q("COMMIT");
-                       continue;
-               } elseif ($id[0]["pid"] != $mypid) {
-                       logger("Queue item ".$r[0]["id"]." is to be executed by process ".$id[0]["pid"]." and not by me (".$mypid.") - skip this execution", LOGGER_DEBUG);
-                       q("COMMIT");
-                       continue;
-               }
+       $cooldown = Config::get("system", "worker_cooldown", 0);
+
+       // Quit when in maintenance
+       if (get_config('system', 'maintenance', true)) {
+               return false;
+       }
+
+       // Constantly check the number of parallel database processes
+       if ($a->max_processes_reached()) {
+               return false;
+       }
+
+       // Constantly check the number of available database connections to let the frontend be accessible at any time
+       if (poller_max_connections_reached()) {
+               return false;
+       }
+
+       $upd = q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d AND `pid` = 0",
+               dbesc(datetime_convert()),
+               intval($mypid),
+               intval($queue["id"]));
+
+       if (!$upd) {
+               logger("Couldn't update queue entry ".$queue["id"]." - skip this execution", LOGGER_DEBUG);
                q("COMMIT");
+               return true;
+       }
 
-               $argv = json_decode($r[0]["parameter"]);
+       // Assure that there are no tasks executed twice
+       $id = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `id` = %d", intval($queue["id"]));
+       if (!$id) {
+               logger("Queue item ".$queue["id"]." vanished - skip this execution", LOGGER_DEBUG);
+               q("COMMIT");
+               return true;
+       } elseif ((strtotime($id[0]["executed"]) <= 0) OR ($id[0]["pid"] == 0)) {
+               logger("Entry for queue item ".$queue["id"]." wasn't stored - skip this execution", LOGGER_DEBUG);
+               q("COMMIT");
+               return true;
+       } elseif ($id[0]["pid"] != $mypid) {
+               logger("Queue item ".$queue["id"]." is to be executed by process ".$id[0]["pid"]." and not by me (".$mypid.") - skip this execution", LOGGER_DEBUG);
+               q("COMMIT");
+               return true;
+       }
+       q("COMMIT");
 
-               $argc = count($argv);
+       $argv = json_decode($queue["parameter"]);
 
-               // Check for existance and validity of the include file
-               $include = $argv[0];
+       $argc = count($argv);
 
-               if (!validate_include($include)) {
-                       logger("Include file ".$argv[0]." is not valid!");
-                       q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
-                       continue;
-               }
+       // Check for existance and validity of the include file
+       $include = $argv[0];
 
-               require_once($include);
+       if (!validate_include($include)) {
+               logger("Include file ".$argv[0]." is not valid!");
+               q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($queue["id"]));
+               return true;
+       }
 
-               $funcname = str_replace(".php", "", basename($argv[0]))."_run";
+       require_once($include);
 
-               if (function_exists($funcname)) {
-                       logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." ".$r[0]["parameter"]);
+       $funcname = str_replace(".php", "", basename($argv[0]))."_run";
 
-                       // For better logging create a new process id for every worker call
-                       // But preserve the old one for the worker
-                       $old_process_id = $a->process_id;
-                       $a->process_id = uniqid("wrk", true);
+       if (function_exists($funcname)) {
+               logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." ".$queue["parameter"]);
 
-                       $funcname($argv, $argc);
+               // For better logging create a new process id for every worker call
+               // But preserve the old one for the worker
+               $old_process_id = $a->process_id;
+               $a->process_id = uniqid("wrk", true);
 
-                       $a->process_id = $old_process_id;
+               $funcname($argv, $argc);
 
-                       if ($cooldown > 0) {
-                               logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
-                               sleep($cooldown);
-                       }
+               $a->process_id = $old_process_id;
 
-                       logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - done");
+               if ($cooldown > 0) {
+                       logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
+                       sleep($cooldown);
+               }
 
-                       q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
-               } else
-                       logger("Function ".$funcname." does not exist");
+               logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - done");
 
-               // Quit the poller once every hour
-               if (time() > ($starttime + 3600))
-                       return;
+               q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($queue["id"]));
+       } else {
+               logger("Function ".$funcname." does not exist");
        }
 
+       return true;
 }
 
 /**
@@ -394,8 +410,7 @@ function poller_passing_slow(&$highest_priority) {
 
        $r = q("SELECT `priority`
                FROM `process`
-               INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid`
-               WHERE `process`.`command` = 'poller.php'");
+               INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid`");
 
        // No active processes at all? Fine
        if (!dbm::is_result($r))
@@ -435,7 +450,6 @@ function poller_passing_slow(&$highest_priority) {
  *
  * @return string SQL statement
  */
-
 function poller_worker_process() {
 
        q("START TRANSACTION;");
@@ -464,6 +478,47 @@ function poller_worker_process() {
        return $r;
 }
 
+function call_worker() {
+       if (!get_config("system", "frontend_worker")) {
+               return;
+       }
+
+       $url = get_app()->get_baseurl()."/worker";
+       fetch_url($url, false, $redirects, 1);
+}
+
+function call_worker_if_idle() {
+       if (!get_config("system", "frontend_worker")) {
+               return;
+       }
+
+       poller_run_cron();
+
+       clear_worker_processes();
+
+       $workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
+
+       if ($workers[0]["processes"] == 0) {
+               call_worker();
+       }
+}
+
+function clear_worker_processes() {
+       q("DELETE FROM `process` WHERE `created` < '%s' AND `command` = 'worker.php'",
+               dbesc(datetime_convert('UTC','UTC',"now - 10 minutes")));
+}
+
+function poller_run_cron() {
+       // Run the cron job that calls all other jobs
+       proc_run(PRIORITY_MEDIUM, "include/cron.php");
+
+       // Run the cronhooks job separately from cron for being able to use a different timing
+       proc_run(PRIORITY_MEDIUM, "include/cronhooks.php");
+
+       // Cleaning dead processes
+       poller_kill_stale_workers();
+}
+
 if (array_search(__file__,get_included_files())===0){
        poller_run($_SERVER["argv"],$_SERVER["argc"]);
 
index 13c3f6318f815fd4923926836af04bca8abb8120..08f24af60f49238d43a7d30832767dd939feea2b 100644 (file)
--- a/index.php
+++ b/index.php
@@ -99,6 +99,10 @@ if (!$a->is_backend()) {
        $stamp1 = microtime(true);
        session_start();
        $a->save_timestamp($stamp1, "parser");
+} else {
+       require_once "include/poller.php";
+
+       call_worker_if_idle();
 }
 
 /**
diff --git a/mod/worker.php b/mod/worker.php
new file mode 100644 (file)
index 0000000..1d1ab2a
--- /dev/null
@@ -0,0 +1,38 @@
+<?php
+require_once("include/poller.php");
+
+use \Friendica\Core\Config;
+use \Friendica\Core\PConfig;
+
+function worker_init($a){
+
+       if (!get_config("system", "frontend_worker")) {
+               return;
+       }
+
+       clear_worker_processes();
+
+       $workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
+
+       if ($workers[0]["processes"] > Config::get("system", "worker_queues", 4)) {
+               return;
+       }
+
+       $a->start_process();
+
+       logger("Front end worker started: ".getmypid());
+
+       call_worker();
+
+       if ($r = poller_worker_process()) {
+               poller_execute($r[0]);
+       }
+
+       call_worker();
+
+       $a->end_process();
+
+       logger("Front end worker ended: ".getmypid());
+
+       killme();
+}