public function start()
{
if ($this->isStart()) {
return;
}
@session_start();
if ($this->isStart()) {
Angel::info('Session started', __METHOD__);
} else {
$error = error_get_last();
$message = isset($error['message']) ? $error['message'] : 'Failed to start session.';
Angel::error($message, __METHOD__);
}
}
/**
* Main iterator
*
* * @return boolean 0|1
*/
private final function loop()
{
if (file_put_contents($this->getPidPath(), getmypid())) {
$this->parentPID = getmypid();
$this->saveLog('Daemon ' . $this->shortName . ' pid ' . getmypid() . ' started.');
Angel::debug('Daemon ' . $this->shortName . ' pid ' . getmypid() . ' started.');
while (!self::$stopFlag && memory_get_usage() < $this->memoryLimit) {
$this->trigger(self::EVENT_BEFORE_ITERATION);
$jobs = $this->defineJobs();
$this->saveLog("get job list is :" . var_export($jobs, true));
if ($jobs && count($jobs)) {
while (($job = $this->defineJobExtractor($jobs)) !== null) {
$this->saveLog("current run job is :{$job}");
// if no free workers, wait
if (count(static::$currentJobs) >= $this->maxChildProcesses) {
$this->saveLog('Reached maximum number of child processes. Waiting...');
Angel::debug('Reached maximum number of child processes. Waiting...');
while (count(static::$currentJobs) >= $this->maxChildProcesses) {
sleep(1);
pcntl_signal_dispatch();
}
Angel::debug('Free workers found: ' . ($this->maxChildProcesses - count(static::$currentJobs)) . ' worker(s). Delegate tasks.');
}
pcntl_signal_dispatch();
$this->runDaemon($job);
}
$this->saveLog("jobs was finished");
} else {
sleep($this->sleep);
}
pcntl_signal_dispatch();
$this->trigger(self::EVENT_AFTER_ITERATION);
}
if (memory_get_usage() < $this->memoryLimit) {
Angel::debug('Daemon ' . $this->shortName . ' pid ' . getmypid() . ' used ' . memory_get_usage() . ' bytes on ' . $this->memoryLimit . ' bytes allowed by memory limit');
}
$this->saveLog('Daemon ' . $this->shortClassName() . ' pid ' . getmypid() . ' is stopped.');
Angel::info('Daemon ' . $this->shortClassName() . ' pid ' . getmypid() . ' is stopped.');
if (file_exists($this->getPidPath())) {
@unlink($this->getPidPath());
} else {
Angel::error('Can\'t unlink pid file ' . $this->getPidPath());
}
return self::EXIT_CODE_NORMAL;
}
$this->halt(self::EXIT_CODE_ERROR, 'Can\'t create pid file ' . $this->getPidPath());
}
