/**
* log_message : log message
* @param string $level log level
* @param string $message message
* @return None
*/
function log_message($level, $message = '')
{
$level = strtoupper($level);
$begin = '';
$end = '';
$log = AppServer::get_instance()->get_log_file();
if (empty($log)) {
switch ($level) {
case 'ERROR':
$begin = "[1;31;40m";
$end = "[0m";
break;
case 'INFO':
$begin = "[1;32;40m";
$end = "[0m";
break;
default:
break;
}
}
$output = $begin . date('m-d H:i:s') . ' @' . getmypid() . ' : [' . $level . '] ' . $message . $end . PHP_EOL;
if (empty($log)) {
fwrite(STDERR, $output);
} else {
$lock = new swoole_lock(SWOOLE_MUTEX);
$lock->lock();
$fp = fopen($log, 'a+');
fwrite($fp, $output);
fclose($fp);
$lock->unlock();
}
}
<?php
$workers = [];
$worker_num = 3;
//创建的进程数
$finished = false;
$lock = new swoole_lock(SWOOLE_MUTEX);
for ($i = 0; $i < $worker_num; $i++) {
$process = new swoole_process('process');
//$process->useQueue();
$pid = $process->start();
$workers[$pid] = $process;
}
foreach ($workers as $pid => $process) {
//子进程也会包含此事件
swoole_event_add($process->pipe, function ($pipe) use($process, $lock, &$finished) {
$lock->lock();
if (!$finished) {
$finished = true;
$data = $process->read();
echo "RECV: " . $data . PHP_EOL;
}
$lock->unlock();
});
}
function process(swoole_process $process)
{
$response = 'http response';
$process->write($response);
echo $process->pid, "\t", $process->callback . PHP_EOL;
}
<?php
/**
* SWOOLE_MUTEX 互斥锁
* SWOOLE_FILELOCK 文件锁，需要在第二个参数传入一个锁文件
* SWOOLE_SPINLOCK 自旋锁(请查看swoole扩展信息，检测是否支持)
* SWOOLE_SEM 信号量
* SWOOLE_RWLOCK 读写锁
*/
$lock = new swoole_lock(SWOOLE_MUTEX);
echo "[Master]create lock\n";
$lock->lock();
if (pcntl_fork() > 0) {
sleep(1);
$lock->unlock();
} else {
echo "[Child] Wait Lock\n";
$lock->lock();
echo "[Child] Get Lock\n";
$lock->unlock();
exit("[Child] exit\n");
}
echo "[Master]release lock\n";
unset($lock);
sleep(1);
echo "[Master]exit\n";
/**
* release_sys_plugins : release system plugins
* @param int $workerId worker id
* @return boolean Operation result
*/
public function release_sys_plugins($workerId)
{
if (!isset($this->_sys_plugins[$workerId])) {
return false;
}
$plugins =& $this->_sys_plugins[$workerId];
$cfg = $this->config->get('sys_plugin', array());
$lock = new swoole_lock(SWOOLE_MUTEX);
$lock->lock();
while (count($cfg) > 0) {
$name = array_pop($cfg);
if (isset($plugins[$name])) {
if (!$plugins[$name]->uninit()) {
log_message('error', 'Failed to uninit plugin : ' . $name);
}
unset($plugins[$name]);
}
}
$lock->unlock();
}
