Some code beautification
This commit is contained in:
parent
2d229ad856
commit
fb72fc77f5
|
|
@ -7,9 +7,9 @@ use Friendica\Util\Lock;
|
|||
if (!file_exists("boot.php") AND (sizeof($_SERVER["argv"]) != 0)) {
|
||||
$directory = dirname($_SERVER["argv"][0]);
|
||||
|
||||
if (substr($directory, 0, 1) != "/")
|
||||
if (substr($directory, 0, 1) != "/") {
|
||||
$directory = $_SERVER["PWD"]."/".$directory;
|
||||
|
||||
}
|
||||
$directory = realpath($directory."/..");
|
||||
|
||||
chdir($directory);
|
||||
|
|
@ -38,53 +38,58 @@ function poller_run($argv, $argc){
|
|||
|
||||
load_hooks();
|
||||
|
||||
if (($argc <= 1) OR ($argv[1] != "no_cron")) {
|
||||
poller_run_cron();
|
||||
}
|
||||
|
||||
$a->start_process();
|
||||
|
||||
if ($a->min_memory_reached()) {
|
||||
logger('Pre check: Memory limit reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
if (poller_max_connections_reached()) {
|
||||
logger('Pre check: maximum connections reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// At first check the maximum load. We shouldn't continue with a high load
|
||||
if ($a->maxload_reached()) {
|
||||
logger('Pre check: maximum load reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
if ($a->max_processes_reached()) {
|
||||
logger('Pre check: maximum processes reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
// We now start the process. This is done after the load check since this could increase the load.
|
||||
$a->start_process();
|
||||
|
||||
// Checking the number of workers
|
||||
// At first we check the number of workers and quit if there are too much of them
|
||||
// This is done at the top to avoid that too much code is executed without a need to do so,
|
||||
// since the poller mostly quits here.
|
||||
if (poller_too_much_workers()) {
|
||||
poller_kill_stale_workers();
|
||||
logger('Pre check: Active worker limit reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// Do we have too few memory?
|
||||
if ($a->min_memory_reached()) {
|
||||
logger('Pre check: Memory limit reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// Possibly there are too much database connections
|
||||
if (poller_max_connections_reached()) {
|
||||
logger('Pre check: maximum connections reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// Possibly there are too much database processes that block the system
|
||||
if ($a->max_processes_reached()) {
|
||||
logger('Pre check: maximum processes reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// Now we start additional cron processes if we should do so
|
||||
if (($argc <= 1) OR ($argv[1] != "no_cron")) {
|
||||
poller_run_cron();
|
||||
}
|
||||
|
||||
$starttime = time();
|
||||
|
||||
// We fetch the next queue entry that is about to be executed
|
||||
while ($r = poller_worker_process()) {
|
||||
|
||||
// If we got that queue entry we claim it for us
|
||||
if (!poller_claim_process($r[0])) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Check free memory
|
||||
if ($a->min_memory_reached()) {
|
||||
logger('Memory limit reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// To avoid the quitting of multiple pollers we serialize the next check
|
||||
if (!Lock::set('poller_worker')) {
|
||||
logger('Cannot get a lock, retrying.', LOGGER_DEBUG);
|
||||
poller_unclaim_process();
|
||||
|
|
@ -99,6 +104,13 @@ function poller_run($argv, $argc){
|
|||
|
||||
Lock::remove('poller_worker');
|
||||
|
||||
// Check free memory
|
||||
if ($a->min_memory_reached()) {
|
||||
logger('Memory limit reached, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
}
|
||||
|
||||
// finally the work will be done
|
||||
if (!poller_execute($r[0])) {
|
||||
logger('Process execution failed, quitting.', LOGGER_DEBUG);
|
||||
return;
|
||||
|
|
@ -160,7 +172,6 @@ function poller_execute($queue) {
|
|||
$funcname = str_replace(".php", "", basename($argv[0]))."_run";
|
||||
|
||||
if (function_exists($funcname)) {
|
||||
|
||||
poller_exec_function($queue, $funcname, $argv);
|
||||
dba::delete('workerqueue', array('id' => $queue["id"]));
|
||||
} else {
|
||||
|
|
@ -236,26 +247,29 @@ function poller_exec_function($queue, $funcname, $argv) {
|
|||
$o = "\nDatabase Read:\n";
|
||||
foreach ($a->callstack["database"] AS $func => $time) {
|
||||
$time = round($time, 3);
|
||||
if ($time > 0)
|
||||
if ($time > 0) {
|
||||
$o .= $func.": ".$time."\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
if (isset($a->callstack["database_write"])) {
|
||||
$o .= "\nDatabase Write:\n";
|
||||
foreach ($a->callstack["database_write"] AS $func => $time) {
|
||||
$time = round($time, 3);
|
||||
if ($time > 0)
|
||||
if ($time > 0) {
|
||||
$o .= $func.": ".$time."\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
if (isset($a->callstack["network"])) {
|
||||
$o .= "\nNetwork:\n";
|
||||
foreach ($a->callstack["network"] AS $func => $time) {
|
||||
$time = round($time, 3);
|
||||
if ($time > 0)
|
||||
if ($time > 0) {
|
||||
$o .= $func.": ".$time."\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
$o = '';
|
||||
}
|
||||
|
|
@ -294,27 +308,30 @@ function poller_max_connections_reached() {
|
|||
if ($max == 0) {
|
||||
// the maximum number of possible user connections can be a system variable
|
||||
$r = q("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'");
|
||||
if ($r)
|
||||
if (dbm::is_result($r)) {
|
||||
$max = $r[0]["Value"];
|
||||
|
||||
}
|
||||
// Or it can be granted. This overrides the system variable
|
||||
$r = q("SHOW GRANTS");
|
||||
if ($r)
|
||||
if (dbm::is_result($r)) {
|
||||
foreach ($r AS $grants) {
|
||||
$grant = array_pop($grants);
|
||||
if (stristr($grant, "GRANT USAGE ON"))
|
||||
if (preg_match("/WITH MAX_USER_CONNECTIONS (\d*)/", $grant, $match))
|
||||
if (stristr($grant, "GRANT USAGE ON")) {
|
||||
if (preg_match("/WITH MAX_USER_CONNECTIONS (\d*)/", $grant, $match)) {
|
||||
$max = $match[1];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 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) {
|
||||
$r = q("SHOW PROCESSLIST");
|
||||
if (!dbm::is_result($r))
|
||||
if (!dbm::is_result($r)) {
|
||||
return false;
|
||||
|
||||
}
|
||||
$used = count($r);
|
||||
|
||||
logger("Connection usage (user values): ".$used."/".$max, LOGGER_DEBUG);
|
||||
|
|
@ -330,28 +347,28 @@ function poller_max_connections_reached() {
|
|||
// We will now check for the system values.
|
||||
// This limit could be reached although the user limits are fine.
|
||||
$r = q("SHOW VARIABLES WHERE `variable_name` = 'max_connections'");
|
||||
if (!$r)
|
||||
if (!dbm::is_result($r)) {
|
||||
return false;
|
||||
|
||||
}
|
||||
$max = intval($r[0]["Value"]);
|
||||
if ($max == 0)
|
||||
if ($max == 0) {
|
||||
return false;
|
||||
|
||||
}
|
||||
$r = q("SHOW STATUS WHERE `variable_name` = 'Threads_connected'");
|
||||
if (!$r)
|
||||
if (!dbm::is_result($r)) {
|
||||
return false;
|
||||
|
||||
}
|
||||
$used = intval($r[0]["Value"]);
|
||||
if ($used == 0)
|
||||
if ($used == 0) {
|
||||
return false;
|
||||
|
||||
}
|
||||
logger("Connection usage (system values): ".$used."/".$max, LOGGER_DEBUG);
|
||||
|
||||
$level = $used / $max * 100;
|
||||
|
||||
if ($level < $maxlevel)
|
||||
if ($level < $maxlevel) {
|
||||
return false;
|
||||
|
||||
}
|
||||
logger("Maximum level (".$level."%) of system connections reached: ".$used."/".$max);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -376,9 +393,9 @@ function poller_kill_stale_workers() {
|
|||
// Kill long running processes
|
||||
|
||||
// Check if the priority is in a valid range
|
||||
if (!in_array($pid["priority"], array(PRIORITY_CRITICAL, PRIORITY_HIGH, PRIORITY_MEDIUM, PRIORITY_LOW, PRIORITY_NEGLIGIBLE)))
|
||||
if (!in_array($pid["priority"], array(PRIORITY_CRITICAL, PRIORITY_HIGH, PRIORITY_MEDIUM, PRIORITY_LOW, PRIORITY_NEGLIGIBLE))) {
|
||||
$pid["priority"] = PRIORITY_MEDIUM;
|
||||
|
||||
}
|
||||
// Define the maximum durations
|
||||
$max_duration_defaults = array(PRIORITY_CRITICAL => 360, PRIORITY_HIGH => 10, PRIORITY_MEDIUM => 60, PRIORITY_LOW => 180, PRIORITY_NEGLIGIBLE => 360);
|
||||
$max_duration = $max_duration_defaults[$pid["priority"]];
|
||||
|
|
@ -480,7 +497,7 @@ function poller_too_much_workers() {
|
|||
}
|
||||
}
|
||||
|
||||
return($active >= $queues);
|
||||
return $active >= $queues;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -491,7 +508,7 @@ function poller_too_much_workers() {
|
|||
function poller_active_workers() {
|
||||
$workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'poller.php'");
|
||||
|
||||
return($workers[0]["processes"]);
|
||||
return $workers[0]["processes"];
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -512,36 +529,37 @@ function poller_passing_slow(&$highest_priority) {
|
|||
INNER JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid`");
|
||||
|
||||
// No active processes at all? Fine
|
||||
if (!dbm::is_result($r))
|
||||
return(false);
|
||||
|
||||
if (!dbm::is_result($r)) {
|
||||
return false;
|
||||
}
|
||||
$priorities = array();
|
||||
foreach ($r AS $line)
|
||||
foreach ($r AS $line) {
|
||||
$priorities[] = $line["priority"];
|
||||
|
||||
}
|
||||
// Should not happen
|
||||
if (count($priorities) == 0)
|
||||
return(false);
|
||||
|
||||
if (count($priorities) == 0) {
|
||||
return false;
|
||||
}
|
||||
$highest_priority = min($priorities);
|
||||
|
||||
// The highest process is already the slowest one?
|
||||
// Then we quit
|
||||
if ($highest_priority == PRIORITY_NEGLIGIBLE)
|
||||
return(false);
|
||||
|
||||
if ($highest_priority == PRIORITY_NEGLIGIBLE) {
|
||||
return false;
|
||||
}
|
||||
$high = 0;
|
||||
foreach ($priorities AS $priority)
|
||||
if ($priority == $highest_priority)
|
||||
foreach ($priorities AS $priority) {
|
||||
if ($priority == $highest_priority) {
|
||||
++$high;
|
||||
|
||||
}
|
||||
}
|
||||
logger("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)
|
||||
if ($passing_slow) {
|
||||
logger("Passing slower processes than priority ".$highest_priority, LOGGER_DEBUG);
|
||||
|
||||
return($passing_slow);
|
||||
}
|
||||
return $passing_slow;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Reference in a new issue