protected function execute(InputInterface $input, OutputInterface $output)
{
$host = $this->getConfig('listenhost');
$port = $this->getConfig('listenport');
$retry = $this->getConfig('listenretry');
$timeout = $this->getConfig('listentimeout');
$server = new Socket\Server(array('ip' => $host, 'port' => $port), $this->logger);
do {
try {
$server->start();
} catch (Socket\Exception $e) {
if ($retry) {
$server->log('<error>Socket server failure: "' . $e->getMessage() . '". Retrying in ' . $timeout . ' seconds...</error>');
sleep($timeout);
continue;
}
throw $e;
}
break;
} while ($retry);
$command = $this;
$server->onConnect(function ($server, &$client, $input) {
//
});
$server->onDisconnect(function ($server, &$client, $message) {
$server->send($client, $message);
});
$server->onReceive(function ($server, &$client, $input) use($command) {
if (!($data = json_decode(trim($input), true))) {
$data = trim($input);
}
if (is_array($data)) {
$cmd = $data['cmd'];
unset($data['cmd']);
} else {
try {
$input = new StringInput($data, new InputDefinition(array(new InputArgument('cmd', InputArgument::REQUIRED), new InputArgument('id', InputArgument::OPTIONAL), new InputOption('force', 'f', InputOption::VALUE_NONE), new InputOption('json', 'j', InputOption::VALUE_NONE))));
$cmd = $input->getArgument('cmd');
$data = array('id' => $input->getArgument('id'), 'force' => $input->getOption('force'), 'json' => $input->getOption('json'));
} catch (\Exception $e) {
$server->send($client, 'Command error: ' . $e->getMessage());
return;
}
}
switch (strtolower($cmd)) {
case 'shell':
$server->send($client, 'Connected to php-resque on ' . $server . '. To quit, type "quit"');
break;
case 'workers':
$workers = Worker::hostWorkers();
if (empty($workers)) {
$response = array('ok' => 0, 'message' => 'There are no workers running on this host.');
$server->send($client, $data['json'] ? json_encode($response) : $response['message']);
return;
}
if ($data['json']) {
$response = array('ok' => 1, 'data' => array());
foreach ($workers as $i => $worker) {
$response['data'][] = $worker->getPacket();
}
$server->send($client, json_encode($response));
} else {
$table = new Resque\Helpers\Table($command);
$table->setHeaders(array('#', 'Status', 'ID', 'Running for', 'Running job', 'P', 'C', 'F', 'Interval', 'Timeout', 'Memory (Limit)'));
foreach ($workers as $i => $worker) {
$packet = $worker->getPacket();
$table->addRow(array($i + 1, Worker::$statusText[$packet['status']], (string) $worker, Util::human_time_diff($packet['started']), !empty($packet['job_id']) ? $packet['job_id'] . ' for ' . Util::human_time_diff($packet['job_started']) : '-', $packet['processed'], $packet['cancelled'], $packet['failed'], $packet['interval'], $packet['timeout'], Util::bytes($packet['memory']) . ' (' . $packet['memory_limit'] . ' MB)'));
}
$server->send($client, (string) $table);
}
break;
case 'worker:start':
case 'worker:restart':
$response = array('ok' => 0, 'message' => 'This command is not yet supported remotely.');
$server->send($client, $data['json'] ? json_encode($response) : $response['message']);
break;
case 'worker:pause':
case 'worker:resume':
case 'worker:stop':
case 'worker:cancel':
$valid_id = false;
$id = preg_replace('/[^a-z0-9\\*:,\\.;-]/i', '', $data['id']);
if (!empty($id)) {
if (false === ($worker = Resque\Worker::hostWorker($id))) {
if ($data['json']) {
$response = array('ok' => 0, 'message' => 'Invalid worker id.');
$server->send($client, json_encode($response));
} else {
$server->send($client, "Usage:\n\t{$cmd} <worker_id>\n\n" . "Help: You must specify a valid worker id, to get a \n" . "list of workers use the \"workers\" command.");
}
return;
}
$workers = array($worker);
} else {
$workers = Resque\Worker::hostWorkers();
if (empty($workers)) {
$response = array('ok' => 0, 'message' => 'There are no workers on this host.');
$server->send($client, $data['json'] ? json_encode($response) : $response['message']);
return;
}
}
$cmd = $data['force'] ? 'worker:term' : $cmd;
$signals = array('worker:pause' => SIGUSR2, 'worker:resume' => SIGCONT, 'worker:stop' => SIGQUIT, 'worker:term' => SIGTERM, 'worker:cancel' => SIGUSR1);
$messages = array('worker:pause' => 'Paused worker %s', 'worker:resume' => 'Resumed worker %s', 'worker:stop' => 'Stopped worker %s', 'worker:term' => 'Force stopped worker %s', 'worker:cancel' => 'Cancelled running job on worker %s');
$response = array('ok' => 1, 'data' => array());
foreach ($workers as $worker) {
$pid = $worker->getPid();
if ($cmd == 'worker:cancel') {
$packet = $worker->getPacket();
$job_pid = (int) $packet['job_pid'];
if ($job_pid and posix_kill($job_pid, 0)) {
$pid = $job_pid;
} else {
$response['data'][] = array('ok' => 0, 'message' => 'The worker ' . $worker . ' has no running job to cancel.');
continue;
}
}
if (posix_kill($pid, $signals[$cmd])) {
$response['data'][] = array('ok' => 1, 'message' => sprintf($messages[$cmd], $worker));
} else {
$response['data'][] = array('ok' => 0, 'message' => 'There was an error sending the signal, please try again.');
}
}
$server->send($client, $data['json'] ? json_encode($response) : implode(PHP_EOL, array_map(function ($d) {
return $d['message'];
}, $response['data'])));
break;
case 'job:queue':
$response = array('ok' => 0, 'message' => 'Cannot queue remotely as it makes no sense. Use command `resque job:queue <job> <args> [--queue=<queue> [--delay=<delay>]]` locally.');
$server->send($client, $data['json'] ? json_encode($response) : $response['message']);
break;
case 'cleanup':
$host = new Host();
$cleaned_hosts = $host->cleanup();
$worker = new Worker('*');
$cleaned_workers = $worker->cleanup();
$cleaned_hosts = array_merge_recursive($cleaned_hosts, $host->cleanup());
$cleaned_jobs = Job::cleanup();
if ($data['json']) {
$response = array('ok' => 1, 'data' => array_merge($cleaned_hosts, $cleaned_workers, $cleaned_jobs));
$server->send($client, json_encode($response));
} else {
$output = 'Cleaned hosts: ' . json_encode($cleaned_hosts['hosts']) . PHP_EOL . 'Cleaned workers: ' . json_encode(array_merge($cleaned_hosts['workers'], $cleaned_workers)) . PHP_EOL . 'Cleaned ' . $cleaned_jobs['zombie'] . ' zombie job' . ($cleaned_jobs['zombie'] == 1 ? '' : 's') . PHP_EOL . 'Cleared ' . $cleaned_jobs['processed'] . ' processed job' . ($cleaned_jobs['processed'] == 1 ? '' : 's');
}
$server->send($client, $output);
break;
case 'shutdown':
$server->shutdown();
break;
case 'quit':
case 'exit':
$server->disconnect($client);
break;
default:
$response = array('ok' => 0, 'message' => 'Sorry, I don\'t know what to do with command "' . $cmd . '".');
$server->send($client, $data['json'] ? json_encode($response) : $response['message']);
break;
}
});
$server->run();
}
