/**
* 该worker进程开始服务的时候会触发一次
* @return bool
*/
protected function onServe()
{
// 文件更新相关 mac不支持inotify 用这个进程监控 500ms检测一次
if (!Inotify::isSuport() && PHPServerConfig::get('ENV') == 'dev') {
$this->eventLoopName = 'Select';
// 安装信号处理函数
$this->installSignal();
$this->event = new $this->eventLoopName();
if ($this->protocol == 'udp') {
// 添加读udp事件
$this->event->add($this->mainSocket, BaseEvent::EV_ACCEPT, array($this, 'recvUdp'));
} else {
// 添加accept事件
$this->event->add($this->mainSocket, BaseEvent::EV_ACCEPT, array($this, 'accept'));
}
// 添加管道可读事件
$this->event->add($this->channel, BaseEvent::EV_READ, array($this, 'dealCmd'), 0, 0);
// 增加select超时事件
$this->event->add(0, Select::EV_SELECT_TIMEOUT, array($this, 'checkFilesModify'), array(), 500);
// 主体循环
while (1) {
$ret = $this->event->loop();
$this->notice("evet->loop returned " . var_export($ret, true));
}
return true;
}
}
/**
* 初始化
* @return NULL
*/
public static function init()
{
self::$inotifySuport = extension_loaded('inotify');
if (!self::$inotifySuport) {
return null;
}
self::$inotifyFd = inotify_init();
stream_set_blocking(self::$inotifyFd, 0);
return self::$inotifyFd;
}
/**
* 上报包含文件到监控进程
* @param array $files
*/
public static function reportIncludedFiles($worker_files_map)
{
//非开发环境或者安装了inotify扩展直接返回
if (PHPServerConfig::get('ENV') !== 'dev' || Inotify::isSuport()) {
return;
}
if ($worker_files_map && is_array($worker_files_map)) {
$files = array();
foreach ($worker_files_map as $worker_name => $files_array) {
foreach ($files_array as $file) {
$files[$file] = $file;
}
}
if ($files) {
return self::sendData(self::CMD_TELL_INCLUDE_FILES, array_values($files));
}
}
}
/**
* 处理命令
* @param char $cmd
* @param mix $result
* @param int $pid
*/
protected static function dealCmd($cmd, $result, $pid)
{
// 获得所有pid到worker_name映射关系
$all_pid_and_worker = self::getPidWorkerNameMap();
$worker_name = isset($all_pid_and_worker[$pid]) ? $all_pid_and_worker[$pid] : '';
switch ($cmd) {
// 监控worker的使用的文件
case Cmd::CMD_REPORT_INCLUDE_FILE:
if (is_array($result)) {
if (empty($worker_name)) {
self::notice("CMD_REPORT_INCLUDE_FILE pid:{$pid} has no worker_name");
return false;
}
// 获取已经监控的文件
$all_inotify_files = self::getFilesWorkerNameMap();
// 获取master进程使用的文件
$master_included_files = array_flip(get_included_files());
// 遍历worker上报的包含文件
foreach ($result as $file) {
// 过滤master进程包含的文件，没有监控的文件加入监控
if (!isset($all_inotify_files[$file]) && !isset($master_included_files[$file])) {
self::$filesToInotify[$worker_name][$file] = $file;
if (Inotify::isSuport()) {
Inotify::addFile($file);
}
}
}
return true;
}
break;
// 停止服务
// 停止服务
case Cmd::CMD_STOP_SERVE:
// self::$event->delAll(self::$channels[$pid]);
break;
// 测试命令
// 测试命令
case Cmd::CMD_TEST:
break;
// 重启命令
// 重启命令
case Cmd::CMD_RESTART:
// self::$event->delAll(self::$channels[$pid]);
break;
// telnet报告worker状态
// telnet报告worker状态
case Cmd::CMD_REPORT_STATUS_FOR_MASTER:
$workers = PHPServerConfig::get('workers');
$port = isset($workers[$worker_name]['port']) ? $workers[$worker_name]['port'] : 'none';
$proto = isset($workers[$worker_name]['protocol']) ? $workers[$worker_name]['protocol'] : 'none';
$str = "{$pid}\t" . str_pad(round($result['memory'] / (1024 * 1024), 2) . "M", 9) . " {$proto} " . str_pad($port, 5) . " " . $result['start_time'] . " " . str_pad($worker_name, self::$maxWorkerNameLength) . " ";
if ($result) {
$str = $str . str_pad($result['total_request'], 14) . " " . str_pad($result['recv_timeout'], 12) . " " . str_pad($result['proc_timeout'], 12) . " " . str_pad($result['packet_err'], 10) . " " . str_pad($result['thunder_herd'], 12) . " " . str_pad($result['client_close'], 12) . " " . str_pad($result['send_fail'], 9) . " " . str_pad($result['throw_exception'], 15) . " " . ($result['total_request'] == 0 ? 100 : round(($result['total_request'] - ($result['proc_timeout'] + $result['packet_err'] + $result['send_fail'])) / $result['total_request'], 6) * 100) . "%";
} else {
$str .= var_export($result, true);
}
Telnet::sendToClient($str . "\n");
break;
// 心跳包回复
// 心跳包回复
case Cmd::CMD_PONG:
self::$pingInfo[$pid] = 0;
break;
// 未知命令
// 未知命令
case Cmd::CMD_UNKNOW:
break;
}
}
