/**
* {@inheritdoc}
*
* The type of worker created depends on the extensions available. If multi-threading is enabled, a WorkerThread
* will be created. If threads are not available, a WorkerFork will be created if forking is available, otherwise
* a WorkerProcess will be created.
*/
public function create() : Worker
{
if (Thread::enabled()) {
return new WorkerThread();
}
if (Fork::enabled()) {
return new WorkerFork();
}
return new WorkerProcess();
}
public function actionGetList($limit = 1000, $win_min = null, $live = false)
{
$forks = Fork::model()->with(['event', 'f1_event', 'f2_event', 'f3_event'])->findAll(['condition' => implode(' and ', array_filter(['win is not null', 'event.visible = true', $win_min !== null ? 'win > ' . $win_min : null, $live ? '(event.islive = true)' : null])), 'order' => 'win desc', 'limit' => $limit]);
$list = [];
foreach ($forks as $fork) {
$item = $fork->attributes;
$item['event'] = $fork->event;
$item['events'] = $fork->eventsByField;
$list[] = $item;
}
$this->renderJson(['list' => $list, 'events_updated' => Yii::app()->settings->get('events_updated')]);
}
private function processJob()
{
while (count($this->forkMap) < $this->size && !empty($this->jobQueue)) {
$jobId = array_pop($this->jobQueue);
$data = $this->jobMap[$jobId];
$this->jobForkMap[$jobId] = $fork = new Fork($this->runnable);
$fork->start();
$this->logger->trace("save fork in forkMap[{$fork->getPid()}]");
$this->forkMap[$fork->getPid()] = $fork;
$fork->send($data);
}
}
die("no directory with testcases given\n");
}
$strTestDir = $argv[1];
if (!is_dir($strTestDir)) {
die("given path is not a directory: {$strTestDir}\n");
}
#########################
# initialize ipc-queues #
#########################
# initialize ipc-queue empty, to avoid messages from old test-cases
$objQueue = new \SimpleIPC(QUEUE_IDENTIFIER);
$objQueue->clear();
#################################
# initialize forking-management #
#################################
$objFork = new \Fork();
$objFork->setMaxForks(MAX_FORKS);
####################################
# initialize runtime-configuration #
####################################
# get id of the process - it will be the parent of all forked childs
$intParentPID = posix_getppid();
# get a list of all user-definied functions until here
# we can skip them when looking for newly definied test-cases
$arrAllFunctions = get_defined_functions();
$arrDefinedFunctions = $arrAllFunctions['user'];
############################################
# find all test-files and their test-cases #
############################################
$arrTestCases = array();
# closure to read test-cases from the queue
echo " -H 显示帮助信息\n";
echo " -l LOG_FILE 输出日志文件或使用关键字 'syslog' 输出到 syslog\n";
echo " -p PREFIX Optional prefix for functions/classes of PECL workers. PEAR requires a constant be defined in code.\n";
echo " -P PID_FILE 写入进程 ip 的文件\n";
echo " -u USERNAME 运行 worker 的 USERNAME\n";
echo " -v 增一个显示日志级别\n";
echo " -w DIR woker 所在的目录, 默认为 ./workers. 如果你正在使用 PECL, 你可以提供一个逗号分隔的多个目录\n";
echo " -r NUMBER 每个 worker 最大工作迭代数量\n";
echo " -x SECONDS 每个worker最大生命周期(秒)\n";
echo " -Z 解析命令行和配置文件，然后转储它的屏幕和退出\n";
echo "\n";
exit;
}
}
############################################################################
Fork::run();
############################################################################
############################################################################
#
# 脚本默认模拟如下工作:
#
# (说明： 大家根据自己的理解进行调试,目的只有一个就是验证如下这个想法正确与否)
#
# 在父进程发送SIGTERM信号给其派生的所有子进程（也就是使用posix_kill函数发送SIGTERM信号）,
# 期间使用了pcntl_signal为父进程和子进程注册信号，并分别设定了对应的信号处理函数，
# 根据我理解的理论知识，如果没有设定SIGTERM信号处理函数，
# 默认情况下posix_kill会执行SIGTERM信号的原始行为即终止子进程,
# 但是如果设定了SIGTERM信号处理函数, posix_kill的SIGTERM信号的原始行为就会被改变
#
############################################################################
############################################################################
public function actionDeleteOld()
{
Event::model()->deleteAll('date < date_sub(utc_timestamp(), interval 4 hour)');
Fork::model()->deleteAll('(select id from event where event.id = fork.event_id) is null');
}
/**
* @param Fork $fork
* @param int $signal
*/
public function sendSignal(Fork $fork, $signal)
{
posix_kill($fork->getPid(), $signal);
}
