*/
namespace Friendica\Core;
-use Friendica\App;
-use Friendica\Core\System;
-use Friendica\Core\Config;
-use Friendica\Core\Worker;
-use Friendica\Database\DBM;
-use Friendica\Util\Lock;
-
-use dba;
+use Friendica\BaseObject;
+use Friendica\Core\Logger;
+use Friendica\Database\DBA;
+use Friendica\Model\Process;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Network;
require_once 'include/dba.php';
self::$up_start = microtime(true);
// At first check the maximum load. We shouldn't continue with a high load
- if ($a->maxload_reached()) {
- logger('Pre check: maximum load reached, quitting.', LOGGER_DEBUG);
+ if ($a->isMaxLoadReached()) {
+ Logger::log('Pre check: maximum load reached, quitting.', Logger::DEBUG);
return;
}
// We now start the process. This is done after the load check since this could increase the load.
- $a->start_process();
+ 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();
}
// Count active workers and compare them with a maximum value that depends on the load
if (self::tooMuchWorkers()) {
- logger('Pre check: Active worker limit reached, quitting.', LOGGER_DEBUG);
+ Logger::log('Pre check: Active worker limit reached, quitting.', Logger::DEBUG);
return;
}
// Do we have too few memory?
- if ($a->min_memory_reached()) {
- logger('Pre check: Memory limit reached, quitting.', LOGGER_DEBUG);
+ if ($a->isMinMemoryReached()) {
+ Logger::log('Pre check: Memory limit reached, quitting.', Logger::DEBUG);
return;
}
// Possibly there are too much database connections
if (self::maxConnectionsReached()) {
- logger('Pre check: maximum connections reached, quitting.', LOGGER_DEBUG);
+ Logger::log('Pre check: maximum connections reached, quitting.', Logger::DEBUG);
return;
}
// Possibly there are too much database processes that block the system
- if ($a->max_processes_reached()) {
- logger('Pre check: maximum processes reached, quitting.', LOGGER_DEBUG);
+ if ($a->isMaxProcessesReached()) {
+ Logger::log('Pre check: maximum processes reached, quitting.', Logger::DEBUG);
return;
}
// The work will be done
if (!self::execute($entry)) {
- logger('Process execution failed, quitting.', LOGGER_DEBUG);
+ Logger::log('Process execution failed, quitting.', Logger::DEBUG);
return;
}
// If possible we will fetch new jobs for this worker
- if (!$refetched && Lock::set('poller_worker_process', 0)) {
+ if (!$refetched && Lock::acquire('worker_process', 0)) {
$stamp = (float)microtime(true);
$refetched = self::findWorkerProcesses($passing_slow);
self::$db_duration += (microtime(true) - $stamp);
- Lock::remove('poller_worker_process');
+ Lock::release('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::acquire('worker', 0)) {
$stamp = (float)microtime(true);
// Count active workers and compare them with a maximum value that depends on the load
if (self::tooMuchWorkers()) {
- logger('Active worker limit reached, quitting.', LOGGER_DEBUG);
+ Logger::log('Active worker limit reached, quitting.', Logger::DEBUG);
+ Lock::release('worker');
return;
}
// Check free memory
- if ($a->min_memory_reached()) {
- logger('Memory limit reached, quitting.', LOGGER_DEBUG);
+ if ($a->isMinMemoryReached()) {
+ Logger::log('Memory limit reached, quitting.', Logger::DEBUG);
+ Lock::release('worker');
return;
}
- Lock::remove('poller_worker');
+ Lock::release('worker');
self::$db_duration += (microtime(true) - $stamp);
}
// Quit the worker once every 5 minutes
if (time() > ($starttime + 300)) {
- logger('Process lifetime reached, quitting.', LOGGER_DEBUG);
+ Logger::log('Process lifetime reached, quitting.', Logger::DEBUG);
return;
}
}
- logger("Couldn't select a workerqueue entry, quitting.", LOGGER_DEBUG);
+
+ // Cleaning up. Possibly not needed, but it doesn't harm anything.
+ if (Config::get('system', 'worker_daemon_mode', false)) {
+ self::IPCSetJobState(false);
+ }
+ Logger::log("Couldn't select a workerqueue entry, quitting process " . getmypid() . ".", Logger::DEBUG);
+ }
+
+ /**
+ * @brief Returns the number of deferred entries in the worker queue
+ *
+ * @return integer Number of deferred entries in the worker queue
+ */
+ private static function deferredEntries()
+ {
+ return DBA::count('workerqueue', ["`executed` <= ? AND NOT `done` AND `next_try` > ?",
+ DBA::NULL_DATETIME, DateTimeFormat::utcNow()]);
}
/**
*/
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` AND `next_try` < ?",
+ DBA::NULL_DATETIME, DateTimeFormat::utcNow()]);
}
/**
*/
private static function highestPriority()
{
- $condition = array("`executed` <= ? AND NOT `done`", NULL_DATE);
- $s = dba::selectFirst('workerqueue', ['priority'], $condition, ['order' => ['priority']]);
- if (DBM::is_result($s)) {
- return $s["priority"];
+ $condition = ["`executed` <= ? AND NOT `done` AND `next_try` < ?", DBA::NULL_DATETIME, DateTimeFormat::utcNow()];
+ $workerqueue = DBA::selectFirst('workerqueue', ['priority'], $condition, ['order' => ['priority']]);
+ if (DBA::isResult($workerqueue)) {
+ return $workerqueue["priority"];
} else {
return 0;
}
*/
private static function processWithPriorityActive($priority)
{
- $condition = array("`priority` <= ? AND `executed` > ? AND NOT `done`", $priority, NULL_DATE);
- return dba::exists('workerqueue', $condition);
+ $condition = ["`priority` <= ? AND `executed` > ? AND NOT `done` AND `next_try` < ?",
+ $priority, DBA::NULL_DATETIME, DateTimeFormat::utcNow()];
+ return DBA::exists('workerqueue', $condition);
}
/**
$mypid = getmypid();
// Quit when in maintenance
- if (Config::get('system', 'maintenance', true)) {
- logger("Maintenance mode - quit process ".$mypid, LOGGER_DEBUG);
+ if (Config::get('system', 'maintenance', false, true)) {
+ Logger::log("Maintenance mode - quit process ".$mypid, Logger::DEBUG);
return false;
}
// Constantly check the number of parallel database processes
- if ($a->max_processes_reached()) {
- logger("Max processes reached for process ".$mypid, LOGGER_DEBUG);
+ if ($a->isMaxProcessesReached()) {
+ Logger::log("Max processes reached for process ".$mypid, Logger::DEBUG);
return false;
}
// Constantly check the number of available database connections to let the frontend be accessible at any time
if (self::maxConnectionsReached()) {
- logger("Max connection reached for process ".$mypid, LOGGER_DEBUG);
+ Logger::log("Max connection reached for process ".$mypid, Logger::DEBUG);
return false;
}
- $argv = json_decode($queue["parameter"]);
+ $argv = json_decode($queue["parameter"], true);
// Check for existance and validity of the include file
$include = $argv[0];
if ($age > 1) {
$stamp = (float)microtime(true);
- dba::update('workerqueue', array('executed' => datetime_convert()), array('pid' => $mypid, 'done' => false));
+ DBA::update('workerqueue', ['executed' => DateTimeFormat::utcNow()], ['pid' => $mypid, 'done' => false]);
self::$db_duration += (microtime(true) - $stamp);
}
self::execFunction($queue, $include, $argv, true);
$stamp = (float)microtime(true);
- if (dba::update('workerqueue', array('done' => true), array('id' => $queue["id"]))) {
- Config::set('system', 'last_poller_execution', datetime_convert());
+
+ $condition = ["`id` = ? AND `next_try` < ?", $queue['id'], DateTimeFormat::utcNow()];
+ if (DBA::update('workerqueue', ['done' => true], $condition)) {
+ Config::set('system', 'last_worker_execution', DateTimeFormat::utcNow());
}
self::$db_duration = (microtime(true) - $stamp);
}
if (!validate_include($include)) {
- logger("Include file ".$argv[0]." is not valid!");
- dba::delete('workerqueue', array('id' => $queue["id"]));
+ Logger::log("Include file ".$argv[0]." is not valid!");
+ DBA::delete('workerqueue', ['id' => $queue["id"]]);
return true;
}
if ($age > 1) {
$stamp = (float)microtime(true);
- dba::update('workerqueue', array('executed' => datetime_convert()), array('pid' => $mypid, 'done' => false));
+ DBA::update('workerqueue', ['executed' => DateTimeFormat::utcNow()], ['pid' => $mypid, 'done' => false]);
self::$db_duration += (microtime(true) - $stamp);
}
self::execFunction($queue, $funcname, $argv, false);
$stamp = (float)microtime(true);
- if (dba::update('workerqueue', array('done' => true), array('id' => $queue["id"]))) {
- Config::set('system', 'last_poller_execution', datetime_convert());
+ if (DBA::update('workerqueue', ['done' => true], ['id' => $queue["id"]])) {
+ Config::set('system', 'last_worker_execution', DateTimeFormat::utcNow());
}
self::$db_duration = (microtime(true) - $stamp);
} else {
- logger("Function ".$funcname." does not exist");
- dba::delete('workerqueue', array('id' => $queue["id"]));
+ Logger::log("Function ".$funcname." does not exist");
+ DBA::delete('workerqueue', ['id' => $queue["id"]]);
}
return true;
$argc = count($argv);
- $new_process_id = uniqid("wrk", true);
+ $new_process_id = System::processID("wrk");
- logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." ".$queue["parameter"]." - Process PID: ".$new_process_id);
+ Logger::log("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." ".$queue["parameter"]." - Process PID: ".$new_process_id);
$stamp = (float)microtime(true);
$a->performance["start"] = microtime(true);
$a->performance["database"] = 0;
$a->performance["database_write"] = 0;
+ $a->performance["cache"] = 0;
+ $a->performance["cache_write"] = 0;
$a->performance["network"] = 0;
$a->performance["file"] = 0;
$a->performance["rendering"] = 0;
$a->performance["parser"] = 0;
$a->performance["marktime"] = 0;
$a->performance["markstart"] = microtime(true);
- $a->callstack = array();
+ $a->callstack = [];
}
// For better logging create a new process id for every worker call
$a->process_id = $old_process_id;
unset($a->queue);
- $duration = number_format(microtime(true) - $stamp, 3);
+ $duration = (microtime(true) - $stamp);
self::$up_start = microtime(true);
* The execution time is the productive time.
* By changing parameters like the maximum number of workers we can check the effectivness.
*/
- logger(
+ Logger::log(
'DB: '.number_format(self::$db_duration, 2).
' - Lock: '.number_format(self::$lock_duration, 2).
' - Rest: '.number_format($up_duration - self::$db_duration - self::$lock_duration, 2).
' - Execution: '.number_format($duration, 2),
- LOGGER_DEBUG
+ Logger::DEBUG
);
self::$lock_duration = 0;
if ($duration > 3600) {
- logger("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 1 hour (".round($duration/60, 3).")", LOGGER_DEBUG);
+ Logger::log("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 1 hour (".round($duration/60, 3).")", Logger::DEBUG);
} elseif ($duration > 600) {
- logger("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 10 minutes (".round($duration/60, 3).")", LOGGER_DEBUG);
+ Logger::log("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 10 minutes (".round($duration/60, 3).")", Logger::DEBUG);
} elseif ($duration > 300) {
- logger("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 5 minutes (".round($duration/60, 3).")", LOGGER_DEBUG);
+ Logger::log("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 5 minutes (".round($duration/60, 3).")", Logger::DEBUG);
} elseif ($duration > 120) {
- logger("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 2 minutes (".round($duration/60, 3).")", LOGGER_DEBUG);
+ Logger::log("Prio ".$queue["priority"].": ".$queue["parameter"]." - longer than 2 minutes (".round($duration/60, 3).")", Logger::DEBUG);
}
- logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - done in ".$duration." seconds. Process PID: ".$new_process_id);
+ Logger::log("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - done in ".$duration." seconds. Process PID: ".$new_process_id);
// Write down the performance values into the log
if (Config::get("system", "profiler")) {
$duration = microtime(true)-$a->performance["start"];
+ $o = '';
if (Config::get("rendertime", "callstack")) {
if (isset($a->callstack["database"])) {
- $o = "\nDatabase Read:\n";
+ $o .= "\nDatabase Read:\n";
foreach ($a->callstack["database"] as $func => $time) {
$time = round($time, 3);
if ($time > 0) {
}
}
}
+ if (isset($a->callstack["dache"])) {
+ $o .= "\nCache Read:\n";
+ foreach ($a->callstack["dache"] as $func => $time) {
+ $time = round($time, 3);
+ if ($time > 0) {
+ $o .= $func.": ".$time."\n";
+ }
+ }
+ }
+ if (isset($a->callstack["dache_write"])) {
+ $o .= "\nCache Write:\n";
+ foreach ($a->callstack["dache_write"] as $func => $time) {
+ $time = round($time, 3);
+ if ($time > 0) {
+ $o .= $func.": ".$time."\n";
+ }
+ }
+ }
if (isset($a->callstack["network"])) {
$o .= "\nNetwork:\n";
foreach ($a->callstack["network"] as $func => $time) {
}
}
}
- } else {
- $o = '';
}
- logger(
+ Logger::log(
"ID ".$queue["id"].": ".$funcname.": ".sprintf(
- "DB: %s/%s, Net: %s, I/O: %s, Other: %s, Total: %s".$o,
+ "DB: %s/%s, Cache: %s/%s, Net: %s, I/O: %s, Other: %s, Total: %s".$o,
number_format($a->performance["database"] - $a->performance["database_write"], 2),
number_format($a->performance["database_write"], 2),
+ number_format($a->performance["cache"], 2),
+ number_format($a->performance["cache_write"], 2),
number_format($a->performance["network"], 2),
number_format($a->performance["file"], 2),
- number_format($duration - ($a->performance["database"] + $a->performance["network"] + $a->performance["file"]), 2),
+ number_format($duration - ($a->performance["database"]
+ + $a->performance["cache"] + $a->performance["cache_write"]
+ + $a->performance["network"] + $a->performance["file"]), 2),
number_format($duration, 2)
),
- LOGGER_DEBUG
+ Logger::DEBUG
);
}
$cooldown = Config::get("system", "worker_cooldown", 0);
if ($cooldown > 0) {
- logger("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
+ Logger::log("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
sleep($cooldown);
}
}
if ($max == 0) {
// the maximum number of possible user connections can be a system variable
- $r = dba::fetch_first("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'");
- if (DBM::is_result($r)) {
+ $r = DBA::fetchFirst("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'");
+ if (DBA::isResult($r)) {
$max = $r["Value"];
}
// Or it can be granted. This overrides the system variable
- $r = dba::p('SHOW GRANTS');
- while ($grants = dba::fetch($r)) {
+ $r = DBA::p('SHOW GRANTS');
+ while ($grants = DBA::fetch($r)) {
$grant = array_pop($grants);
if (stristr($grant, "GRANT USAGE ON")) {
if (preg_match("/WITH MAX_USER_CONNECTIONS (\d*)/", $grant, $match)) {
}
}
}
- dba::close($r);
+ DBA::close($r);
}
// If $max is set we will use the processlist to determine the current number of connections
// The processlist only shows entries of the current user
if ($max != 0) {
- $r = dba::p('SHOW PROCESSLIST');
- $used = dba::num_rows($r);
- dba::close($r);
+ $r = DBA::p('SHOW PROCESSLIST');
+ $used = DBA::numRows($r);
+ DBA::close($r);
- logger("Connection usage (user values): ".$used."/".$max, LOGGER_DEBUG);
+ Logger::log("Connection usage (user values): ".$used."/".$max, Logger::DEBUG);
$level = ($used / $max) * 100;
if ($level >= $maxlevel) {
- logger("Maximum level (".$maxlevel."%) of user connections reached: ".$used."/".$max);
+ Logger::log("Maximum level (".$maxlevel."%) of user connections reached: ".$used."/".$max);
return true;
}
}
// We will now check for the system values.
// This limit could be reached although the user limits are fine.
- $r = dba::fetch_first("SHOW VARIABLES WHERE `variable_name` = 'max_connections'");
- if (!DBM::is_result($r)) {
+ $r = DBA::fetchFirst("SHOW VARIABLES WHERE `variable_name` = 'max_connections'");
+ if (!DBA::isResult($r)) {
return false;
}
$max = intval($r["Value"]);
if ($max == 0) {
return false;
}
- $r = dba::fetch_first("SHOW STATUS WHERE `variable_name` = 'Threads_connected'");
- if (!DBM::is_result($r)) {
+ $r = DBA::fetchFirst("SHOW STATUS WHERE `variable_name` = 'Threads_connected'");
+ if (!DBA::isResult($r)) {
return false;
}
$used = intval($r["Value"]);
if ($used == 0) {
return false;
}
- logger("Connection usage (system values): ".$used."/".$max, LOGGER_DEBUG);
+ Logger::log("Connection usage (system values): ".$used."/".$max, Logger::DEBUG);
$level = $used / $max * 100;
if ($level < $maxlevel) {
return false;
}
- logger("Maximum level (".$level."%) of system connections reached: ".$used."/".$max);
+ Logger::log("Maximum level (".$level."%) of system connections reached: ".$used."/".$max);
return true;
}
*/
private static function killStaleWorkers()
{
- $entries = dba::select(
+ $entries = DBA::select(
'workerqueue',
- array('id', 'pid', 'executed', 'priority', 'parameter'),
- array('`executed` > ? AND NOT `done` AND `pid` != 0', NULL_DATE),
- array('order' => array('priority', 'created'))
+ ['id', 'pid', 'executed', 'priority', 'parameter'],
+ ['`executed` > ? AND NOT `done` AND `pid` != 0', DBA::NULL_DATETIME],
+ ['order' => ['priority', 'created']]
);
- while ($entry = dba::fetch($entries)) {
+ while ($entry = DBA::fetch($entries)) {
if (!posix_kill($entry["pid"], 0)) {
- dba::update(
+ DBA::update(
'workerqueue',
- array('executed' => NULL_DATE, 'pid' => 0),
- array('id' => $entry["id"])
+ ['executed' => DBA::NULL_DATETIME, 'pid' => 0],
+ ['id' => $entry["id"]]
);
} else {
// Kill long running processes
// Check if the priority is in a valid range
- if (!in_array($entry["priority"], array(PRIORITY_CRITICAL, PRIORITY_HIGH, PRIORITY_MEDIUM, PRIORITY_LOW, PRIORITY_NEGLIGIBLE))) {
+ if (!in_array($entry["priority"], [PRIORITY_CRITICAL, PRIORITY_HIGH, PRIORITY_MEDIUM, PRIORITY_LOW, PRIORITY_NEGLIGIBLE])) {
$entry["priority"] = PRIORITY_MEDIUM;
}
// Define the maximum durations
- $max_duration_defaults = array(PRIORITY_CRITICAL => 720, PRIORITY_HIGH => 10, PRIORITY_MEDIUM => 60, PRIORITY_LOW => 180, PRIORITY_NEGLIGIBLE => 720);
+ $max_duration_defaults = [PRIORITY_CRITICAL => 720, PRIORITY_HIGH => 10, PRIORITY_MEDIUM => 60, PRIORITY_LOW => 180, PRIORITY_NEGLIGIBLE => 720];
$max_duration = $max_duration_defaults[$entry["priority"]];
- $argv = json_decode($entry["parameter"]);
+ $argv = json_decode($entry["parameter"], true);
$argv[0] = basename($argv[0]);
// How long is the process already running?
$duration = (time() - strtotime($entry["executed"])) / 60;
if ($duration > $max_duration) {
- logger("Worker process ".$entry["pid"]." (".implode(" ", $argv).") took more than ".$max_duration." minutes. It will be killed now.");
+ Logger::log("Worker process ".$entry["pid"]." (".substr(json_encode($argv), 0, 50).") took more than ".$max_duration." minutes. It will be killed now.");
posix_kill($entry["pid"], SIGTERM);
// We killed the stale process.
// To avoid a blocking situation we reschedule the process at the beginning of the queue.
// Additionally we are lowering the priority. (But not PRIORITY_CRITICAL)
+ $new_priority = $entry["priority"];
if ($entry["priority"] == PRIORITY_HIGH) {
$new_priority = PRIORITY_MEDIUM;
} elseif ($entry["priority"] == PRIORITY_MEDIUM) {
} elseif ($entry["priority"] != PRIORITY_CRITICAL) {
$new_priority = PRIORITY_NEGLIGIBLE;
}
- dba::update(
+ DBA::update(
'workerqueue',
- array('executed' => NULL_DATE, 'created' => datetime_convert(), 'priority' => $new_priority, 'pid' => 0),
- array('id' => $entry["id"])
+ ['executed' => DBA::NULL_DATETIME, 'created' => DateTimeFormat::utcNow(), 'priority' => $new_priority, 'pid' => 0],
+ ['id' => $entry["id"]]
);
} else {
- logger("Worker process ".$entry["pid"]." (".implode(" ", $argv).") now runs for ".round($duration)." of ".$max_duration." allowed minutes. That's okay.", LOGGER_DEBUG);
+ Logger::log("Worker process ".$entry["pid"]." (".substr(json_encode($argv), 0, 50).") now runs for ".round($duration)." of ".$max_duration." allowed minutes. That's okay.", Logger::DEBUG);
}
}
}
$active = self::activeWorkers();
// Decrease the number of workers at higher load
- $load = current_load();
+ $load = System::currentLoad();
if ($load) {
$maxsysload = intval(Config::get("system", "maxloadavg", 50));
- $maxworkers = $queues;
+ /* Default exponent 3 causes queues to rapidly decrease as load increases.
+ * If you have 20 max queues at idle, then you get only 5 queues at 37.1% of $maxsysload.
+ * For some environments, this rapid decrease is not needed.
+ * With exponent 1, you could have 20 max queues at idle and 13 at 37% of $maxsysload.
+ */
+ $exponent = intval(Config::get('system', 'worker_load_exponent', 3));
+ $slope = pow(max(0, $maxsysload - $load) / $maxsysload, $exponent);
+ $queues = intval(ceil($slope * $maxqueues));
- // Some magical mathemathics to reduce the workers
- $exponent = 3;
- $slope = $maxworkers / pow($maxsysload, $exponent);
- $queues = ceil($slope * pow(max(0, $maxsysload - $load), $exponent));
$processlist = '';
if (Config::get('system', 'worker_debug')) {
// Create a list of queue entries grouped by their priority
- $listitem = array();
+ $listitem = [];
// Adding all processes with no workerqueue entry
- $processes = dba::p(
+ $processes = DBA::p(
"SELECT COUNT(*) AS `running` FROM `process` WHERE NOT EXISTS
(SELECT id FROM `workerqueue`
WHERE `workerqueue`.`pid` = `process`.`pid` AND NOT `done` AND `pid` != ?)",
getmypid()
);
- if ($process = dba::fetch($processes)) {
+ if ($process = DBA::fetch($processes)) {
$listitem[0] = "0:".$process["running"];
}
- dba::close($processes);
+ DBA::close($processes);
// Now adding all processes with workerqueue entries
- $entries = dba::p("SELECT COUNT(*) AS `entries`, `priority` FROM `workerqueue` WHERE NOT `done` GROUP BY `priority`");
- while ($entry = dba::fetch($entries)) {
- $processes = dba::p("SELECT COUNT(*) AS `running` FROM `process` INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid` AND NOT `done` WHERE `priority` = ?", $entry["priority"]);
- if ($process = dba::fetch($processes)) {
+ $entries = DBA::p("SELECT COUNT(*) AS `entries`, `priority` FROM `workerqueue` WHERE NOT `done` AND `next_try` < ? GROUP BY `priority`", DateTimeFormat::utcNow());
+ while ($entry = DBA::fetch($entries)) {
+ $processes = DBA::p("SELECT COUNT(*) AS `running` FROM `process` INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid` WHERE NOT `done` AND `next_try` < ? AND `priority` = ?",
+ DateTimeFormat::utcNow(), $entry["priority"]);
+ if ($process = DBA::fetch($processes)) {
$listitem[$entry["priority"]] = $entry["priority"].":".$process["running"]."/".$entry["entries"];
}
- dba::close($processes);
+ DBA::close($processes);
}
- dba::close($entries);
+ DBA::close($entries);
- $intervals = array(1, 10, 60);
- $jobs_per_minute = array();
+ $intervals = [1, 10, 60];
+ $jobs_per_minute = [];
foreach ($intervals as $interval) {
- $jobs = dba::p("SELECT COUNT(*) AS `jobs` FROM `workerqueue` WHERE `done` AND `executed` > UTC_TIMESTAMP() - INTERVAL ".intval($interval)." MINUTE");
- if ($job = dba::fetch($jobs)) {
+ $jobs = DBA::p("SELECT COUNT(*) AS `jobs` FROM `workerqueue` WHERE `done` AND `executed` > UTC_TIMESTAMP() - INTERVAL ".intval($interval)." MINUTE");
+ if ($job = DBA::fetch($jobs)) {
$jobs_per_minute[$interval] = number_format($job['jobs'] / $interval, 0);
}
- dba::close($jobs);
+ DBA::close($jobs);
}
$processlist = ' - jpm: '.implode('/', $jobs_per_minute).' ('.implode(', ', $listitem).')';
}
$entries = self::totalEntries();
+ $deferred = self::deferredEntries();
if (Config::get("system", "worker_fastlane", false) && ($queues > 0) && ($entries > 0) && ($active >= $queues)) {
$top_priority = self::highestPriority();
$high_running = self::processWithPriorityActive($top_priority);
if (!$high_running && ($top_priority > PRIORITY_UNDEFINED) && ($top_priority < PRIORITY_NEGLIGIBLE)) {
- logger("There are jobs with priority ".$top_priority." waiting but none is executed. Open a fastlane.", LOGGER_DEBUG);
+ Logger::log("There are jobs with priority ".$top_priority." waiting but none is executed. Open a fastlane.", Logger::DEBUG);
$queues = $active + 1;
}
}
- logger("Load: ".$load."/".$maxsysload." - processes: ".$active."/".$entries.$processlist." - maximum: ".$queues."/".$maxqueues, LOGGER_DEBUG);
+ Logger::log("Load: " . $load ."/" . $maxsysload . " - processes: " . $deferred . "/" . $active . "/" . $entries . $processlist . " - maximum: " . $queues . "/" . $maxqueues, Logger::DEBUG);
// Are there fewer workers running as possible? Then fork a new one.
- if (!Config::get("system", "worker_dont_fork") && ($queues > ($active + 1)) && ($entries > 1)) {
- logger("Active workers: ".$active."/".$queues." Fork a new worker.", LOGGER_DEBUG);
- self::spawnWorker();
+ if (!Config::get("system", "worker_dont_fork", false) && ($queues > ($active + 1)) && ($entries > 1)) {
+ Logger::log("Active workers: ".$active."/".$queues." Fork a new worker.", Logger::DEBUG);
+ if (Config::get('system', 'worker_daemon_mode', false)) {
+ self::IPCSetJobState(true);
+ } else {
+ self::spawnWorker();
+ }
}
}
- return $active >= $queues;
+ // if there are too much worker, we don't spawn a new one.
+ if (Config::get('system', 'worker_daemon_mode', false) && ($active > $queues)) {
+ self::IPCSetJobState(false);
+ }
+
+ return $active > $queues;
}
/**
*/
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']);
}
/**
{
$highest_priority = 0;
- $r = dba::p(
+ $r = DBA::p(
"SELECT `priority`
FROM `process`
INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid` AND NOT `done`"
);
// No active processes at all? Fine
- if (!DBM::is_result($r)) {
+ if (!DBA::isResult($r)) {
return false;
}
- $priorities = array();
- while ($line = dba::fetch($r)) {
+ $priorities = [];
+ while ($line = DBA::fetch($r)) {
$priorities[] = $line["priority"];
}
- dba::close($r);
+ DBA::close($r);
// Should not happen
if (count($priorities) == 0) {
++$high;
}
}
- logger("Highest priority: ".$highest_priority." Total processes: ".count($priorities)." Count high priority processes: ".$high, LOGGER_DEBUG);
+ Logger::log("Highest priority: ".$highest_priority." Total processes: ".count($priorities)." Count high priority processes: ".$high, Logger::DEBUG);
$passing_slow = (($high/count($priorities)) > (2/3));
if ($passing_slow) {
- logger("Passing slower processes than priority ".$highest_priority, LOGGER_DEBUG);
+ Logger::log("Passing slower processes than priority ".$highest_priority, Logger::DEBUG);
}
return $passing_slow;
}
$queue_length = Config::get('system', 'worker_fetch_limit', 1);
$lower_job_limit = $worker_queues * $queue_length * 2;
$jobs = self::totalEntries();
+ $deferred = self::deferredEntries();
// Now do some magic
$exponent = 2;
$slope = $queue_length / pow($lower_job_limit, $exponent);
$limit = min($queue_length, ceil($slope * pow($jobs, $exponent)));
- logger('Total: '.$jobs.' - Maximum: '.$queue_length.' - jobs per queue: '.$limit, LOGGER_DEBUG);
-
+ Logger::log('Deferred: ' . $deferred . ' - Total: ' . $jobs . ' - Maximum: ' . $queue_length . ' - jobs per queue: ' . $limit, Logger::DEBUG);
+ $ids = [];
if (self::passingSlow($highest_priority)) {
// Are there waiting processes with a higher priority than the currently highest?
- $result = dba::select(
+ $result = DBA::select(
'workerqueue',
['id'],
- ["`executed` <= ? AND `priority` < ? AND NOT `done`", NULL_DATE, $highest_priority],
+ ["`executed` <= ? AND `priority` < ? AND NOT `done` AND `next_try` < ?",
+ DBA::NULL_DATETIME, $highest_priority, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
- while ($id = dba::fetch($result)) {
+ while ($id = DBA::fetch($result)) {
$ids[] = $id["id"];
}
- dba::close($result);
+ DBA::close($result);
$found = (count($ids) > 0);
if (!$found) {
// Give slower processes some processing time
- $result = dba::select(
+ $result = DBA::select(
'workerqueue',
['id'],
- ["`executed` <= ? AND `priority` > ? AND NOT `done`", NULL_DATE, $highest_priority],
+ ["`executed` <= ? AND `priority` > ? AND NOT `done` AND `next_try` < ?",
+ DBA::NULL_DATETIME, $highest_priority, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
- while ($id = dba::fetch($result)) {
+ while ($id = DBA::fetch($result)) {
$ids[] = $id["id"];
}
- dba::close($result);
+ DBA::close($result);
$found = (count($ids) > 0);
$passing_slow = $found;
// If there is no result (or we shouldn't pass lower processes) we check without priority limit
if (!$found) {
- $result = dba::select(
+ $result = DBA::select(
'workerqueue',
['id'],
- ["`executed` <= ? AND NOT `done`", NULL_DATE],
+ ["`executed` <= ? AND NOT `done` AND `next_try` < ?",
+ DBA::NULL_DATETIME, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
- while ($id = dba::fetch($result)) {
+ while ($id = DBA::fetch($result)) {
$ids[] = $id["id"];
}
- dba::close($result);
+ DBA::close($result);
$found = (count($ids) > 0);
}
if ($found) {
$condition = "`id` IN (".substr(str_repeat("?, ", count($ids)), 0, -2).") AND `pid` = 0 AND NOT `done`";
array_unshift($ids, $condition);
- dba::update('workerqueue', array('executed' => datetime_convert(), 'pid' => $mypid), $ids);
+ DBA::update('workerqueue', ['executed' => DateTimeFormat::utcNow(), 'pid' => $mypid], $ids);
}
return $found;
$stamp = (float)microtime(true);
// There can already be jobs for us in the queue.
- $r = dba::select('workerqueue', array(), array('pid' => getmypid(), 'done' => false));
- if (DBM::is_result($r)) {
+ $r = DBA::select('workerqueue', [], ['pid' => getmypid(), 'done' => false]);
+ if (DBA::isResult($r)) {
self::$db_duration += (microtime(true) - $stamp);
- return dba::inArray($r);
+ return DBA::toArray($r);
}
- dba::close($r);
+ DBA::close($r);
$stamp = (float)microtime(true);
- if (!Lock::set('poller_worker_process')) {
+ if (!Lock::acquire('worker_process')) {
return false;
}
self::$lock_duration = (microtime(true) - $stamp);
$found = self::findWorkerProcesses($passing_slow);
self::$db_duration += (microtime(true) - $stamp);
- Lock::remove('poller_worker_process');
+ Lock::release('worker_process');
if ($found) {
- $r = dba::select('workerqueue', array(), array('pid' => getmypid(), 'done' => false));
- return dba::inArray($r);
+ $r = DBA::select('workerqueue', [], ['pid' => getmypid(), 'done' => false]);
+ return DBA::toArray($r);
}
return false;
}
{
$mypid = getmypid();
- dba::update('workerqueue', array('executed' => NULL_DATE, 'pid' => 0), array('pid' => $mypid, 'done' => false));
+ DBA::update('workerqueue', ['executed' => DBA::NULL_DATETIME, 'pid' => 0], ['pid' => $mypid, 'done' => false]);
}
/**
}
$url = System::baseUrl()."/worker";
- fetch_url($url, false, $redirects, 1);
+ Network::fetchUrl($url, false, $redirects, 1);
}
/**
if (self::tooMuchWorkers()) {
// Cleaning dead processes
self::killStaleWorkers();
- get_app()->remove_inactive_processes();
+ Process::deleteInactive();
return;
}
self::runCron();
- logger('Call worker', LOGGER_DEBUG);
+ Logger::log('Call worker', Logger::DEBUG);
self::spawnWorker();
return;
}
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();
}
}
$timeout = Config::get("system", "frontend_worker_timeout", 10);
/// @todo We should clean up the corresponding workerqueue entries as well
- $condition = array("`created` < ? AND `command` = 'worker.php'",
- datetime_convert('UTC', 'UTC', "now - ".$timeout." minutes"));
- dba::delete('process', $condition);
+ $condition = ["`created` < ? AND `command` = 'worker.php'",
+ DateTimeFormat::utc("now - ".$timeout." minutes")];
+ DBA::delete('process', $condition);
}
/**
*/
private static function runCron()
{
- logger('Add cron entries', LOGGER_DEBUG);
+ Logger::log('Add cron entries', Logger::DEBUG);
// Check for spooled items
self::add(PRIORITY_HIGH, "SpoolPost");
// Run the cron job that calls all other jobs
self::add(PRIORITY_MEDIUM, "Cron");
- // Run the cronhooks job separately from cron for being able to use a different timing
- self::add(PRIORITY_MEDIUM, "CronHooks");
-
// Cleaning dead processes
self::killStaleWorkers();
}
/**
+ * @brief Spawns a new worker
* @return void
*/
- public static function spawnWorker()
+ public static function spawnWorker($do_cron = false)
{
- $args = array("scripts/worker.php", "no_cron");
- get_app()->proc_run($args);
+ $command = 'bin/worker.php';
+
+ $args = ['no_cron' => !$do_cron];
+
+ get_app()->proc_run($command, $args);
+
+ // after spawning we have to remove the flag.
+ if (Config::get('system', 'worker_daemon_mode', false)) {
+ self::IPCSetJobState(false);
+ }
}
/**
*/
public static function add($cmd)
{
- $proc_args = func_get_args();
+ $args = func_get_args();
- $args = array();
- if (!count($proc_args)) {
+ if (!count($args)) {
return false;
}
- // 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);
+ $arr = ['args' => $args, 'run_cmd' => true];
- call_hooks("proc_run", $arr);
+ Addon::callHooks("proc_run", $arr);
if (!$arr['run_cmd'] || !count($args)) {
return true;
}
$priority = PRIORITY_MEDIUM;
- $dont_fork = Config::get("system", "worker_dont_fork");
- $created = datetime_convert();
+ $dont_fork = Config::get("system", "worker_dont_fork", false);
+ $created = DateTimeFormat::utcNow();
+
+ $run_parameter = array_shift($args);
if (is_int($run_parameter)) {
$priority = $run_parameter;
}
}
- $argv = $args;
- array_shift($argv);
-
- $parameters = json_encode($argv);
- $found = dba::exists('workerqueue', array('parameter' => $parameters, 'done' => false));
+ $parameters = json_encode($args);
+ $found = DBA::exists('workerqueue', ['parameter' => $parameters, 'done' => false]);
// Quit if there was a database error - a precaution for the update process to 3.5.3
- if (dba::errorNo() != 0) {
+ if (DBA::errorNo() != 0) {
return false;
}
if (!$found) {
- dba::insert('workerqueue', array('parameter' => $parameters, 'created' => $created, 'priority' => $priority));
+ DBA::insert('workerqueue', ['parameter' => $parameters, 'created' => $created, 'priority' => $priority]);
}
// Should we quit and wait for the worker to be called as a cronjob?
}
// If there is a lock then we don't have to check for too much worker
- if (!Lock::set('poller_worker', 0)) {
+ if (!Lock::acquire('worker', 0)) {
return true;
}
// If there are already enough workers running, don't fork another one
$quit = self::tooMuchWorkers();
- Lock::remove('poller_worker');
+ Lock::release('worker');
if ($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();
return true;
}
+
+ /**
+ * Defers the current worker entry
+ */
+ public static function defer()
+ {
+ if (empty(BaseObject::getApp()->queue)) {
+ return;
+ }
+
+ $queue = BaseObject::getApp()->queue;
+
+ $retrial = $queue['retrial'];
+ $id = $queue['id'];
+
+ if ($retrial > 14) {
+ Logger::log('Id ' . $id . ' had been tried 14 times. We stop now.', Logger::DEBUG);
+ return;
+ }
+
+ // Calculate the delay until the next trial
+ $delay = (($retrial + 3) ** 4) + (rand(1, 30) * ($retrial + 1));
+ $next = DateTimeFormat::utc('now + ' . $delay . ' seconds');
+
+ Logger::log('Defer execution ' . $retrial . ' of id ' . $id . ' to ' . $next, Logger::DEBUG);
+
+ $fields = ['retrial' => $retrial + 1, 'next_try' => $next, 'executed' => DBA::NULL_DATETIME, 'pid' => 0];
+ DBA::update('workerqueue', $fields, ['id' => $id]);
+ }
+
+ /**
+ * Log active processes into the "process" table
+ *
+ * @brief Log active processes into the "process" table
+ */
+ public static function startProcess()
+ {
+ $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
+
+ $command = basename($trace[0]['file']);
+
+ Process::deleteInactive();
+
+ Process::insert($command);
+ }
+
+ /**
+ * Remove the active process from the "process" table
+ *
+ * @brief Remove the active process from the "process" table
+ * @return bool
+ */
+ public static function endProcess()
+ {
+ 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()
+ {
+ $row = DBA::selectFirst('worker-ipc', ['jobs'], ['key' => 1]);
+
+ // When we don't have a row, no job is running
+ if (!DBA::isResult($row)) {
+ return false;
+ }
+
+ return (bool)$row['jobs'];
+ }
}
projects / friendica.git / blobdiff