function run($options = array())
{
$this->init($options);
if ($poolPid = $this->shm->get(0)) {
$this->logger->debug("Get process pool pid from shm. pid: '{$poolPid}'");
} else {
$poolPid = 0;
}
if ($this->poolIsRunning($poolPid)) {
$this->logger->info(sprintf("Cronjob '%s' is already running (pid: %d)", $this->jobName, $poolPid));
if ($this->worker) {
$this->logger->info("Enqueue work...");
$queue = $this->processPool->workQueue;
if (($cap = $queue->capacity()) && $this->config['waitPrevComplete']) {
$this->logger->warn(sprintf("Another cronjob is not complete (%d pending tasks)", $cap));
return;
}
// Enqueue tasks
$this->worker->enqueueWork($queue);
posix_kill($poolPid, SIGUSR1);
}
return;
}
$this->processPool->start();
}
public function valid()
{
sem_acquire($this->sem());
try {
$meta = $this->shm->get(0);
$ret = $meta["pos"] < $meta["count"];
sem_release($this->sem());
return $ret;
} catch (Exception $e) {
sem_release($this->sem());
throw $e;
}
}
protected function handleChildEvents($nmess = null)
{
$i = 0;
while ($message = $this->childEventQueue->peek()) {
$t1 = microtime(true);
$this->logger->debug(sprintf("Peeked '%s' from event queue", $message["type"]));
switch ($message["type"]) {
case "beforeHandleWork":
$this->childs[$message["pid"]]["workStartTime"] = $message["microtime"];
$this->childs[$message["pid"]]["message"] = $message["message"];
break;
case "afterHandleWork":
unset($this->childs[$message["pid"]]["workStartTime"]);
unset($this->childs[$message["pid"]]["message"]);
break;
case "start":
if (!$this->ready) {
$this->shm->put(self::SHM_STARTUP_BARRIER, $this->shm->get(self::SHM_STARTUP_BARRIER) + 1);
} else {
$this->childs[$message["pid"]]["startTime"] = microtime(true);
}
break;
case "memoryUsage":
if ($this->workerMemoryLimit && $message["memory"] > $this->workerMemoryLimit) {
$this->logger->info(sprintf("Worker %d allocates %d Kb. Maximum %d Kb is allowed by configuration", $message["pid"], $message["memory"], $this->workerMemoryLimit));
$this->terminateChild($message["pid"]);
}
break;
default:
$this->logger->warn("Peeked unknown message from child event queue. " . "Serialized message: {$message}");
}
$this->logger->info("Child message handle: " . round(microtime(true) - $t1, 4) . " sec");
$i++;
if ($nmess && $i >= $nmess) {
break;
}
}
}
private function getMeta()
{
$meta = $this->shm->get(0);
$this->logger->debug("get meta (size: {$meta["size"]}, nextIndex: {$meta["nextIndex"]})");
return $meta;
}
function onReady($pool)
{
$this->logger->info("[IPC] Store process pool (pid: {$this->processPool->getPid()}) in shm");
$this->shm->put(0, $this->processPool->getPid());
$this->logger->info("[IPC] Process pool PID check: " . $this->shm->get(0));
}
