function task_shutdown()
{
$pid = posix_getpid();
if (file_exists(LOCK_DIRECTORY . "/update_daemon-{$pid}.lock")) {
unlink(LOCK_DIRECTORY . "/update_daemon-{$pid}.lock");
}
}
public static function start()
{
self::daemonize();
self::$pid = posix_getpid();
file_put_contents('app.pid', self::$pid);
self::monitorWorks();
}
public static function _init_mysql($config = array())
{
if (empty($config)) {
// 记住不要把原来有的配置信息给强制换成$GLOBALS['config']['db']，否则换数据库会有问题
self::$config = empty(self::$config) ? $GLOBALS['config']['db'] : self::$config;
} else {
self::$config = $config;
}
if (!self::$conn) {
self::$conn = @mysqli_connect(self::$config['host'], self::$config['user'], self::$config['pass'], self::$config['name'], self::$config['port']);
if (mysqli_connect_errno()) {
self::$conn_fail++;
$errmsg = 'Mysql Connect failed[' . self::$conn_fail . ']: ' . mysqli_connect_error();
echo util::colorize(date("H:i:s") . " {$errmsg}\n\n", 'fail');
log::add($errmsg, "Error");
// 连接失败5次，中断进程
if (self::$conn_fail >= 5) {
exit(250);
}
self::_init_mysql($config);
} else {
// 连接成功清零
self::$conn_fail = 0;
self::$worker_pid = function_exists('posix_getpid') ? posix_getpid() : 0;
mysqli_query(self::$conn, " SET character_set_connection=utf8, character_set_results=utf8, character_set_client=binary, sql_mode='' ");
}
} else {
$curr_pid = function_exists('posix_getpid') ? posix_getpid() : 0;
// 如果父进程已经生成资源就释放重新生成，因为多进程不能共享连接资源
if (self::$worker_pid != $curr_pid) {
self::reset_connect();
}
}
}
function send()
{
$pid = posix_getpid();
$client = new swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC);
//异步非阻塞
$client->on("connect", function (swoole_client $cli) use($pid) {
$data = microtime(true);
lg("[{$pid}] Send: {$data}", __LINE__);
$cli->send($data);
});
$client->on("receive", function (swoole_client $cli, $data) use($pid) {
lg("[{$pid}] Received: {$data}", __LINE__);
$cli->close();
});
$client->on("error", function (swoole_client $cli) use($pid) {
$cli->close();
//lg("[$pid] error then conn close", __LINE__);
exit(0);
});
$client->on("close", function (swoole_client $cli) use($pid) {
//lg("[$pid] conn close", __LINE__);
});
$client->connect('127.0.0.1', 8001, 0.5);
//lg("[$pid] create conn succ", __LINE__);
exit(0);
}
function git_diff($proj, $from, $from_name, $to, $to_name)
{
global $gitphp_conf;
$from_tmp = "/dev/null";
$to_tmp = "/dev/null";
if (function_exists('posix_getpid')) {
$pid = posix_getpid();
} else {
$pid = rand();
}
if (isset($from)) {
$from_tmp = $gitphp_conf['gittmp'] . "gitphp_" . $pid . "_from";
git_cat_file($proj, $from, $from_tmp);
}
if (isset($to)) {
$to_tmp = $gitphp_conf['gittmp'] . "gitphp_" . $pid . "_to";
git_cat_file($proj, $to, $to_tmp);
}
$out = shell_exec($gitphp_conf['diffbin'] . " -u -p -L '" . $from_name . "' -L '" . $to_name . "' " . $from_tmp . " " . $to_tmp);
if (isset($from)) {
unlink($from_tmp);
}
if (isset($to)) {
unlink($to_tmp);
}
return $out;
}
public static function prn_log($level, $msg)
{
$log_level_str = array('TRACE', 'DEBUG', 'INFO', 'NOTICE', 'WARNING', 'ERROR');
if ($level >= self::$log_level) {
echo '[' . posix_getpid() . '.' . date("Y-m-d H:i:s") . ']' . sprintf('%-9s ', "[{$log_level_str[$level]}]") . $msg . "\n";
}
}
private function createJob()
{
$tokenData = self::$sapiClient->verifyToken();
/** @var ObjectEncryptor $configEncryptor */
$configEncryptor = self::$kernel->getContainer()->get('syrup.object_encryptor');
return new Job($configEncryptor, ['id' => self::$sapiClient->generateId(), 'runId' => self::$sapiClient->generateId(), 'project' => ['id' => $tokenData['owner']['id'], 'name' => $tokenData['owner']['name']], 'token' => ['id' => $tokenData['id'], 'description' => $tokenData['description'], 'token' => self::$encryptor->encrypt(self::$sapiClient->getTokenString())], 'component' => SYRUP_APP_NAME, 'command' => 'run', 'process' => ['host' => 'test', 'pid' => posix_getpid()], 'createdTime' => date('c')], null, null, null);
}
public static function init()
{
self::$pid = \posix_getpid();
self::$ppid = \posix_getppid();
self::$child = array();
self::$alias = array();
self::$user_events = array();
self::$shm_to_pid = array();
self::$status['start_time'] = time();
// self::$shm_to_parent = -1;
if (!self::$do_once) {
// 初始化事件对象
if (extension_loaded('libevent')) {
self::$events = new Libevent();
} else {
self::$events = new Select();
}
self::$shm = new Shm(__FILE__, 'a');
// 注册用户信号SIGUSR1处理函数
self::onSysEvent(SIGUSR1, EventInterface::EV_SIGNAL, array("\\cli\\proc\\Process", 'defaultSigusr1Cbk'));
// 注册子进程退出处理函数
self::onSysEvent(SIGCHLD, EventInterface::EV_SIGNAL, array("\\cli\\proc\\Process", 'defaultSigchldCbk'));
// 注册用户信号SIGUSR2处理函数
self::onSysEvent(SIGUSR2, EventInterface::EV_SIGNAL, array("\\cli\\proc\\Process", 'defaultSigusr2Cbk'));
// 注册exit回调函数
register_shutdown_function(function () {
Process::closeShm();
});
self::$do_once = true;
}
}
public function createPid()
{
$pid = posix_getpid();
file_put_contents($this->getPidFilename(), $pid);
register_shutdown_function([$this, 'removePid']);
return $pid;
}
function wdiff_compute($text1, $text2)
{
global $ErrorCreatingTemp, $ErrorWritingTemp, $TempDir, $WdiffCmd;
global $WdiffLibrary;
$num = posix_getpid();
// Comment if running on Windows.
// $num = rand(); // Uncomment if running on Windows.
$temp1 = $TempDir . '/wiki_' . $num . '_1.txt';
$temp2 = $TempDir . '/wiki_' . $num . '_2.txt';
if (!($h1 = fopen($temp1, 'w')) || !($h2 = fopen($temp2, 'w'))) {
die($ErrorCreatingTemp);
}
$fw1 = fwrite($h1, $text1);
$fw2 = fwrite($h2, $text2);
if ($fw1 === false || strlen($text1) > 0 && $fw1 == 0 || $fw2 === false || strlen($text2) > 0 && $fw2 == 0) {
die($ErrorWritingTemp);
}
fclose($h1);
fclose($h2);
if ($WdiffLibrary) {
putenv('LD_LIBRARY_PATH=/disk');
}
exec($WdiffCmd . ' -n --start-delete="<DEL>" --end-delete="</DEL>" --start-insert="<INS>" --end-insert="</INS>" ' . $temp1 . ' ' . $temp2, $output);
unlink($temp1);
unlink($temp2);
$output = implode("\n", $output);
return $output;
}
/**
* мастерский рабочий цикл
*/
public function run()
{
try {
static::log('starting master (PID ' . posix_getpid() . ')....');
//задаем приоритет процесса в ОС
proc_nice($this->priority);
//включаем сборщик циклических зависимостей
gc_enable();
//выполняем функцию приложения до рабочего цикла
call_user_func([$this->appl, 'baseOnRun']);
//самый главный цикл
while (TRUE) {
if (TRUE === call_user_func([$this->appl, 'baseRun'])) {
//прекращаем цикл
break;
}
//ожидаем заданное время для получения сигнала операционной системы
$this->sigwait();
//если сигнал был получен, вызываем связанную с ним функцию
pcntl_signal_dispatch();
}
} catch (\Exception $e) {
$this->shutdown();
}
}
public static function init($pcacher = null, $expire = 0)
{
return function ($info, $buffered = false) use($pcacher, $expire) {
if (!$pcacher) {
$pcacher = \Leb_Dao_Memcache::getInstance('applog');
}
if (!$pcacher) {
throw new \LogicException('Invalid cacher object.');
}
// 8 = 4 + 2 + 2
// t + p + c
// 64 = 32 + 10 + 15 + 7
// t + mt + p + c
$bptime = explode(' ', microtime(false));
$pid = function_exists('posix_getpid') ? posix_getpid() : getmypid();
// $uid = (time() << 16 | ($pid % 0xFFFF)) << 16 | ((++ \Leb_Analog::$counter) % 0xFFFF);
$uid = $bptime[1] << 10 | intval($bptime[0] * 1000);
$uid = $uid << 15 | $pid % 0xfffe;
$uid = $uid << 7 | ++\Leb_Analog::$counter % 0xfe;
// $uuid = sprintf('%u', $uid);
// var_dump($bptime[1], intval($bptime[0] * 1000), $pid, \Leb_Analog::$counter, $uid, $uuid);
// exit;
$bret = true;
$bret = $pcacher->set($uid, json_encode($info), array('expire' => $expire));
if ($bret) {
return $uid;
}
return $bret;
};
}
public function randStop($sleep_time)
{
if ($sleep_time > 1500000) {
echo "process stopped : " . posix_getpid() . "\n";
$this->stop();
}
}
/**
* Handles an AWS client event
*
* @param EventInterface $event An Event object
* @param int $attempt optional Attempt number
*/
private function handleEvent(EventInterface $event, $attempt = 0)
{
try {
$environment = $this->aws->getEnvironment();
if ($environment instanceof \Scalr_Environment) {
$eventId = self::EVENT_ID_REQUEST_SENT;
if ($event instanceof ErrorResponseEvent) {
$errorData = $event->exception->getErrorData();
if ($errorData instanceof ErrorData && $errorData->getCode() == ErrorData::ERR_REQUEST_LIMIT_EXCEEDED) {
$eventId = self::EVENT_ID_ERROR_REQUEST_LIMIT_EXCEEDED;
} else {
return;
}
}
$db = $this->getDb();
$pid = function_exists('posix_getpid') ? posix_getpid() : null;
$apicall = isset($event->apicall) ? $event->apicall : null;
$db->Execute("\n INSERT INTO `" . self::DB_TABLE_NAME . "`\n SET envid = ?,\n event = ?,\n pid = ?,\n apicall = ?\n ", array($environment->id, $eventId, $pid, $apicall));
}
} catch (\Exception $e) {
if ($attempt == 0 && !$db->GetOne("SHOW TABLES LIKE ?", array(self::DB_TABLE_NAME))) {
$this->createStorage();
return $this->handleEvent($event, 1);
}
//It should not cause process termination
trigger_error($e->getMessage(), E_USER_WARNING);
}
}
/**
* 进程启动
*/
public function start()
{
// 安装信号处理函数
$this->installSignal();
// 添加accept事件
$ret = $this->event->add($this->mainSocket, Man\Core\Events\BaseEvent::EV_READ, array($this, 'accept'));
// 创建内部通信套接字
$start_port = Man\Core\Lib\Config::get($this->workerName . '.lan_port_start');
$this->lanPort = $start_port - posix_getppid() + posix_getpid();
$this->lanIp = Man\Core\Lib\Config::get($this->workerName . '.lan_ip');
if (!$this->lanIp) {
$this->notice($this->workerName . '.lan_ip not set');
$this->lanIp = '127.0.0.1';
}
$error_no = 0;
$error_msg = '';
$this->innerMainSocket = stream_socket_server("udp://" . $this->lanIp . ':' . $this->lanPort, $error_no, $error_msg, STREAM_SERVER_BIND);
if (!$this->innerMainSocket) {
$this->notice('create innerMainSocket fail and exit ' . $error_no . ':' . $error_msg);
sleep(1);
exit(0);
} else {
stream_set_blocking($this->innerMainSocket, 0);
}
$this->registerAddress("udp://" . $this->lanIp . ':' . $this->lanPort);
// 添加读udp事件
$this->event->add($this->innerMainSocket, Man\Core\Events\BaseEvent::EV_READ, array($this, 'recvUdp'));
// 初始化到worker的通信地址
$this->initWorkerAddresses();
// 主体循环,整个子进程会阻塞在这个函数上
$ret = $this->event->loop();
$this->notice('worker loop exit');
exit(0);
}
public final function execute()
{
$hasThreads = function_exists('pcntl_signal');
if (!$hasThreads || Cli::getInstance()->isSimulation()) {
flush();
try {
return $this->executeNoThread();
} catch (Interrupt $e) {
throw $e;
} catch (Exception $e) {
echo $e;
}
return;
}
pcntl_signal(SIGCHLD, SIG_IGN);
$pid = pcntl_fork();
if ($pid < 1) {
$this->_run();
posix_kill(posix_getpid(), 9);
pcntl_waitpid(posix_getpid(), $temp = 0, WNOHANG);
pcntl_wifexited($temp);
exit;
//Make sure we exit...
} else {
$this->pid = $pid;
}
}
/**
* @param bool $getOnlyKey
* @return mixed|string
*/
public function draw($getOnlyKey = false)
{
mt_srand(crc32(time() ^ posix_getpid() + mt_rand()));
$rand = mt_rand(0, $this->instance->total() - 1);
$key = $this->instance->getList()[$rand];
return $getOnlyKey === true ? $key : $this->instance->get($key);
}
/**
* Constructor.
*
* @param Master $master The master object
* @param integer $pid The child process id or null if this is the child
*
* @throws \Exception
* @throws \RuntimeException
*/
public function __construct(Master $master, $pid = null)
{
$this->master = $master;
$directions = array('up', 'down');
if (null === $pid) {
// child
$pid = posix_getpid();
$pPid = posix_getppid();
$modes = array('write', 'read');
} else {
// parent
$pPid = null;
$modes = array('read', 'write');
}
$this->pid = $pid;
$this->ppid = $pPid;
foreach (array_combine($directions, $modes) as $direction => $mode) {
$fifo = $this->getPath($direction);
if (!file_exists($fifo) && !posix_mkfifo($fifo, 0600) && 17 !== ($error = posix_get_last_error())) {
throw new \Exception(sprintf('Error while creating FIFO: %s (%d)', posix_strerror($error), $error));
}
$this->{$mode} = fopen($fifo, $mode[0]);
if (false === ($this->{$mode} = fopen($fifo, $mode[0]))) {
throw new \RuntimeException(sprintf('Unable to open %s FIFO.', $mode));
}
}
}
/**
* @throws \Net\Bazzline\Component\ProcessForkManager\RuntimeException
*/
public function execute()
{
$identifier = 'task (' . posix_getpid() . ' / ' . $this->getParentProcessId() . ')';
$workingDataSet = array();
echo $identifier . ' says hello' . PHP_EOL;
for ($iterator = 0; $iterator < $this->numberOfDataMultiplication; ++$iterator) {
//begin creating one megabyte of data
//taken from https://github.com/stevleibelt/examples/blob/master/php/array/createOneMegaByteOfData.php
$anotherRound = true;
$data = array();
$initialMemoryUsage = memory_get_usage(true);
$anotherIterator = 0;
$memoryUsageInMegaByteToGenerate = 1;
while ($anotherRound) {
$data[] = $anotherIterator;
$currentMemoryUsage = memory_get_usage(true) - $initialMemoryUsage;
$currentMemoryUsageInMegaBytes = $currentMemoryUsage / (1024 * 1024);
if ($currentMemoryUsageInMegaBytes === $memoryUsageInMegaByteToGenerate) {
$anotherRound = false;
}
++$anotherIterator;
}
//end creating one megabyte of data
$workingDataSet[] = $data;
sleep(1);
}
echo $identifier . ' says goodbye' . PHP_EOL;
}
public function run()
{
$job = $this->job;
// Try to fork process.
$childPid = pcntl_fork();
// Force reconnect to redis for parent and child due to bug in PhpRedis
// (https://github.com/nicolasff/phpredis/issues/474).
\Yii::app()->redis->getClient(true);
if ($childPid > 0) {
return $childPid;
} elseif ($childPid < 0) {
// If we're failed to fork process, restore job and exit.
\Yii::app()->yiiq->restore($job->id);
return;
}
// We are child - get our pid.
$childPid = posix_getpid();
$metadata = $job->metadata;
$status = $job->status;
$this->owner->setProcessTitle('job', $metadata->queue, 'executing ' . $metadata->id . ' (' . $metadata->class . ')');
\Yii::trace('Starting job ' . $metadata->queue . ':' . $job->id . ' (' . $metadata->class . ')...');
$status->markAsStarted($childPid);
$payload = $job->payload;
$result = $payload->execute($metadata->args);
if ($metadata->type === Yiiq::TYPE_REPEATABLE) {
$status->markAsStopped();
} else {
$metadata->delete();
$job->result->save($result);
$status->markAsCompleted();
}
\Yii::trace('Job ' . $metadata->queue . ':' . $job->id . ' done.');
exit(0);
}
function ctx_log_msg($func, $text, $type)
{
global $_context_log;
if ($_context_log) {
fprintf($_context_log, "%f %s %d %d %s %s %s\n", microtime(true), php_uname('n'), posix_getpid(), posix_getpid(), $type, $func, $text);
}
}
protected function start()
{
if ($this->pidManager->get()) {
echo "ERROR: plumber is already running.\n";
return;
}
echo "plumber started.\n";
if ($this->config['daemonize']) {
swoole_process::daemon();
}
$this->logger = new Logger(['log_path' => $this->config['log_path']]);
$this->output = new Logger(['log_path' => $this->config['output_path']]);
$this->logger->info('plumber starting...');
$this->stats = $stats = $this->createListenerStats();
swoole_set_process_name('plumber: master');
$this->workers = $this->createWorkers($stats);
$this->registerSignal();
$this->pidManager->save(posix_getpid());
swoole_timer_tick(1000, function ($timerId) {
$statses = $this->stats->getAll();
foreach ($statses as $pid => $s) {
if ($s['last_update'] + $this->config['reserve_timeout'] + $this->config['execute_timeout'] > time()) {
continue;
}
if (!$s['timeout']) {
$this->logger->notice("process #{$pid} last upadte at " . date('Y-m-d H:i:s') . ', it is timeout.', $s);
$this->stats->timeout($pid);
}
}
});
}
protected function forkChild($type)
{
$this->logger->error("Fork child process");
$pid = pcntl_fork();
if ($pid == -1) {
// Cannot fork child
throw new Scalr_System_Ipc_Exception("Cannot fork child process");
} else {
if ($pid) {
// Current process
$this->shm->put($type, $pid);
$this->logger->error(sprintf("Child PID: %s was forked", $pid));
} else {
if (posix_getpid() == $this->shm->get($type)) {
$this->logger->error("Detaching process from terminatal");
if (posix_setsid() == -1) {
throw new Scalr_System_Ipc_Exception("Cannot detach process from terminal");
}
}
if ($type == self::GEARMAN_CLIENT) {
$client = new Scalr_Service_Gearman_Client($this->servers);
$client->mainLoop();
} elseif ($type == self::GEARMAN_WORKER) {
$worker = new Scalr_Service_Gearman_Worker($this->servers);
$worker->mainLoop();
}
exit;
}
}
}
public function fork($workerClosure, $numOfWorkers)
{
if (is_callable($workerClosure)) {
for ($i = 1; $i <= $numOfWorkers; $i++) {
$childProcess = System::load("child_process")->fork();
$pid = $childProcess->getPid();
if ($pid == -1) {
$childProcess->emit("error", $pid);
exit;
} else {
if ($pid > 0) {
//Successfully forked a worker process
$process = new ChildProcess($pid);
$this->workers[$pid] = new Worker($process);
} else {
if ($pid == 0) {
//we are now in the worker process
$pid = posix_getpid();
$process = new ChildProcess($pid);
$worker = new Worker($process);
$this->workers[$pid] = $worker;
//immediately record workers in the queue
call_user_func_array($workerClosure, array($worker));
}
}
}
}
}
}
/**
* @test
*/
public function can_set_annotated_signal_handler()
{
$properties = array('ding' => array('log4php.properties' => RESOURCES_DIR . DIRECTORY_SEPARATOR . 'log4php.properties', 'factory' => array('bdef' => array('annotation' => array('scanDir' => array(__DIR__))))));
$container = ContainerImpl::getInstance($properties);
posix_kill(posix_getpid(), SIGUSR1);
$this->assertTrue(MySignalHandler2::$something);
}
function diff_compute($text1, $text2)
{
global $TempDir, $DiffCmd;
$num = function_exists('posix_getpid') ? posix_getpid() : rand();
$temp1 = $TempDir . '/wiki_' . $num . '_1.txt';
$temp2 = $TempDir . '/wiki_' . $num . '_2.txt';
if (!($h1 = fopen($temp1, 'w')) || !($h2 = fopen($temp2, 'w'))) {
die(LIB_ErrorCreatingTemp);
}
if (fwrite($h1, $text1) < 0 || fwrite($h2, $text2) < 0) {
die(LIB_ErrorWritingTemp);
}
fclose($h1);
fclose($h2);
if (ini_get('safe_mode') and ini_get('safe_mode_exec_dir') != dirname($DiffCmd)) {
$diff = LIB_NoDiffAvailableSafeMode;
} else {
if (!file_exists($DiffCmd) or !is_readable($DiffCmd)) {
$diff = LIB_NoDiffAvailable;
} else {
$output = array();
exec("{$DiffCmd} {$temp1} {$temp2}", $output);
$diff = join("\n", $output);
}
}
unlink($temp1);
unlink($temp2);
return $diff;
}
public function __construct($server, $master)
{
$this->_server = $server;
$this->_services = array($this->getIdByConnection($master) => $master);
$this->master = $master;
$this->pid = posix_getpid();
}
public function __construct($server, $service, $master)
{
$this->_server = $server;
$this->_service = $service;
$this->_master = $master;
$this->pid = posix_getpid();
}
function __get_swoole_app(array $config)
{
$app = new \Owl\Swoole\Application($config['server']['ip'], $config['server']['port']);
if (isset($config['swoole_setting']) && $config['swoole_setting']) {
$app->getSwooleServer()->set($config['swoole_setting']);
}
$server = $app->getSwooleServer();
$server->on('start', function () use($config) {
$pid = posix_getpid();
if (isset($config['server']['pid_file'])) {
file_put_contents($config['server']['pid_file'], $pid);
}
echo sprintf("Server PID: %d\n", $pid);
echo sprintf("Listening http://%s:%d/ ...\n", $config['server']['ip'], $config['server']['port']);
});
$server->on('shutdown', function () use($config) {
if (isset($config['server']['pid_file']) && file_exists($config['server']['pid_file'])) {
unlink($config['server']['pid_file']);
}
});
// 在workstart之后再bootstrap，就可以通过server reload重置应用配置
$server->on('workerstart', function () {
__bootstrap();
});
return __ini_app($app);
}
function worker()
{
$lost = 0;
if (!file_exists($this->shm_key)) {
file_put_contents($this->shm_key, microtime(true));
}
if ($this->show_detail) {
$start = microtime(true);
}
$this->pid = posix_getpid();
for ($i = 0; $i < $this->process_req_num; $i++) {
$func = $this->test_func;
if (!$func($this)) {
$lost++;
}
}
if ($this->show_detail) {
$log = $this->pid . "#\ttotal_use(s):" . substr(microtime(true) - $start, 0, 5);
$log .= "\tconnect(ms):" . substr($this->max_conn_time * 1000, 0, 5);
$log .= "\twrite(ms):" . substr($this->max_write_time * 1000, 0, 5);
$log .= "\tread(ms):" . substr($this->max_read_time * 1000, 0, 5);
file_put_contents($this->tmp_dir . 'lost_' . $this->pid . '.log', $lost . "\n" . $log);
} else {
file_put_contents($this->tmp_dir . 'lost_' . $this->pid . '.log', $lost);
}
exit(0);
}