]> git.mxchange.org Git - friendica.git/blobdiff - src/Core/Worker.php
Many "fetch_first" had been replaced
[friendica.git] / src / Core / Worker.php
index 8c8e2733186b3530fc0074346bf798f219790e14..8960780e55618bfa6b9b0472c1ebf1eeb8f208a7 100644 (file)
@@ -54,9 +54,9 @@ class Worker
                self::startProcess();
 
                // Kill stale processes every 5 minutes
-               $last_cleanup = Config::get('system', 'poller_last_cleaned', 0);
+               $last_cleanup = Config::get('system', 'worker_last_cleaned', 0);
                if (time() > ($last_cleanup + 300)) {
-                       Config::set('system', 'poller_last_cleaned', time());
+                       Config::set('system', 'worker_last_cleaned', time());
                        self::killStaleWorkers();
                }
 
@@ -108,16 +108,16 @@ class Worker
                                }
 
                                // If possible we will fetch new jobs for this worker
-                               if (!$refetched && Lock::set('poller_worker_process', 0)) {
+                               if (!$refetched && Lock::set('worker_process', 0)) {
                                        $stamp = (float)microtime(true);
                                        $refetched = self::findWorkerProcesses($passing_slow);
                                        self::$db_duration += (microtime(true) - $stamp);
-                                       Lock::remove('poller_worker_process');
+                                       Lock::remove('worker_process');
                                }
                        }
 
                        // To avoid the quitting of multiple workers only one worker at a time will execute the check
-                       if (Lock::set('poller_worker', 0)) {
+                       if (Lock::set('worker', 0)) {
                                $stamp = (float)microtime(true);
                                // Count active workers and compare them with a maximum value that depends on the load
                                if (self::tooMuchWorkers()) {
@@ -130,7 +130,7 @@ class Worker
                                        logger('Memory limit reached, quitting.', LOGGER_DEBUG);
                                        return;
                                }
-                               Lock::remove('poller_worker');
+                               Lock::remove('worker');
                                self::$db_duration += (microtime(true) - $stamp);
                        }
 
@@ -140,6 +140,11 @@ class Worker
                                return;
                        }
                }
+
+               // Cleaning up. Possibly not needed, but it doesn't harm anything.
+               if (Config::get('system', 'worker_daemon_mode', false)) {
+                       self::IPCSetJobState(false);
+               }
                logger("Couldn't select a workerqueue entry, quitting.", LOGGER_DEBUG);
        }
 
@@ -150,12 +155,7 @@ class Worker
         */
        private static function totalEntries()
        {
-               $s = dba::fetch_first("SELECT COUNT(*) AS `total` FROM `workerqueue` WHERE `executed` <= ? AND NOT `done`", NULL_DATE);
-               if (DBM::is_result($s)) {
-                       return $s["total"];
-               } else {
-                       return 0;
-               }
+               return dba::count('workerqueue', ["`executed` <= ? AND NOT `done`", NULL_DATE]);
        }
 
        /**
@@ -244,7 +244,7 @@ class Worker
 
                        $stamp = (float)microtime(true);
                        if (dba::update('workerqueue', ['done' => true], ['id' => $queue["id"]])) {
-                               Config::set('system', 'last_poller_execution', DateTimeFormat::utcNow());
+                               Config::set('system', 'last_worker_execution', DateTimeFormat::utcNow());
                        }
                        self::$db_duration = (microtime(true) - $stamp);
 
@@ -285,7 +285,7 @@ class Worker
 
                        $stamp = (float)microtime(true);
                        if (dba::update('workerqueue', ['done' => true], ['id' => $queue["id"]])) {
-                               Config::set('system', 'last_poller_execution', DateTimeFormat::utcNow());
+                               Config::set('system', 'last_worker_execution', DateTimeFormat::utcNow());
                        }
                        self::$db_duration = (microtime(true) - $stamp);
                } else {
@@ -690,10 +690,19 @@ class Worker
                        // Are there fewer workers running as possible? Then fork a new one.
                        if (!Config::get("system", "worker_dont_fork", false) && ($queues > ($active + 1)) && ($entries > 1)) {
                                logger("Active workers: ".$active."/".$queues." Fork a new worker.", LOGGER_DEBUG);
-                               self::spawnWorker();
+                               if (Config::get('system', 'worker_daemon_mode', false)) {
+                                       self::IPCSetJobState(true);
+                               } else {
+                                       self::spawnWorker();
+                               }
                        }
                }
 
+               // if there are too much worker, we down't spawn a new one.
+               if (Config::get('system', 'worker_daemon_mode', false) && ($active >= $queues)) {
+                       self::IPCSetJobState(false);
+               }
+
                return $active >= $queues;
        }
 
@@ -704,9 +713,7 @@ class Worker
         */
        private static function activeWorkers()
        {
-               $workers = dba::fetch_first("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'Worker.php'");
-
-               return $workers["processes"];
+               return dba::count('process', ['command' => 'Worker.php']);
        }
 
        /**
@@ -873,7 +880,7 @@ class Worker
                dba::close($r);
 
                $stamp = (float)microtime(true);
-               if (!Lock::set('poller_worker_process')) {
+               if (!Lock::set('worker_process')) {
                        return false;
                }
                self::$lock_duration = (microtime(true) - $stamp);
@@ -882,7 +889,7 @@ class Worker
                $found = self::findWorkerProcesses($passing_slow);
                self::$db_duration += (microtime(true) - $stamp);
 
-               Lock::remove('poller_worker_process');
+               Lock::remove('worker_process');
 
                if ($found) {
                        $r = dba::select('workerqueue', [], ['pid' => getmypid(), 'done' => false]);
@@ -959,9 +966,9 @@ class Worker
 
                self::clearProcesses();
 
-               $workers = dba::fetch_first("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
+               $workers = self::activeWorkers();
 
-               if ($workers["processes"] == 0) {
+               if ($workers == 0) {
                        self::callWorker();
                }
        }
@@ -999,12 +1006,23 @@ class Worker
        }
 
        /**
+        * @brief Spawns a new worker
         * @return void
         */
-       public static function spawnWorker()
+       public static function spawnWorker($do_cron = false)
        {
-               $args = ["bin/worker.php", "no_cron"];
+               $args = ["bin/worker.php"];
+
+               if (!$do_cron) {
+                       $args[] = "no_cron";
+               }
+
                get_app()->proc_run($args);
+
+               // after spawning we have to remove the flag.
+               if (Config::get('system', 'worker_daemon_mode', false)) {
+                       self::IPCSetJobState(false);
+               }
        }
 
        /**
@@ -1076,18 +1094,24 @@ class Worker
                }
 
                // If there is a lock then we don't have to check for too much worker
-               if (!Lock::set('poller_worker', 0)) {
+               if (!Lock::set('worker', 0)) {
                        return true;
                }
 
                // If there are already enough workers running, don't fork another one
                $quit = self::tooMuchWorkers();
-               Lock::remove('poller_worker');
+               Lock::remove('worker');
 
                if ($quit) {
                        return true;
                }
 
+               // We tell the daemon that a new job entry exists
+               if (Config::get('system', 'worker_daemon_mode', false)) {
+                       // We don't have to set the IPC flag - this is done in "tooMuchWorkers"
+                       return true;
+               }
+
                // Now call the worker to execute the jobs that we just added to the queue
                self::spawnWorker();
 
@@ -1120,4 +1144,33 @@ class Worker
        {
                return Process::deleteByPid();
        }
+
+       /**
+        * Set the flag if some job is waiting
+        *
+        * @brief Set the flag if some job is waiting
+        * @param boolean $jobs Is there a waiting job?
+        */
+       public static function IPCSetJobState($jobs)
+       {
+               dba::update('worker-ipc', ['jobs' => $jobs], ['key' => 1], true);
+       }
+
+       /**
+        * Checks if some worker job waits to be executed
+        *
+        * @brief Checks if some worker job waits to be executed
+        * @return bool
+        */
+       public static function IPCJobsExists()
+       {
+               $row = dba::selectFirst('worker-ipc', ['jobs'], ['key' => 1]);
+
+               // When we don't have a row, no job is running
+               if (!DBM::is_result($row)) {
+                       return false;
+               }
+
+               return (bool)$row['jobs'];
+       }
 }