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pidfile = __DIR__ . '/' . self::PIDNAME . '.pid'; } /** * @return int */ private function daemon() { if (file_exists($this->pidfile)) { echo "The file $this->pidfile exists.\n"; exit(); } $pid = pcntl_fork(); if ($pid == -1) { die('could not fork'); } else if ($pid) { // we are the parent exit($pid); } else { // we are the child file_put_contents($this->pidfile, getmypid()); posix_setuid(self::uid); posix_setgid(self::gid); cli_set_process_title(self::PROCESS_NAME); pcntl_signal(SIGHUP, [$this, 'signoH']); pcntl_signal(SIGTERM, [$this, 'signoH']); pcntl_signal(SIGCHLD, [$this, 'signoH']); pcntl_signal(SIGQUIT, [$this, 'signoH']); pcntl_signal(SIGINT, [$this, 'signoH']); pcntl_signal(SIGUSR1, [$this, 'signoH']); return (getmypid()); } } /** * */ private function run() { do { pcntl_signal_dispatch(); if ($this->stop) { break; } echo "I am alive" . mt_rand(0,20) . "...\n"; sleep(5); } while (true); echo ("進(jìn)程退出\n"); } public function restart() { $this->stop(); $this->start(); print "重啟成功!\n"; } /** * */ private function start() { $pid = $this->daemon(); $this->run(); } /** * */ private function stop() { if (file_exists($this->pidfile)) { $pid = file_get_contents($this->pidfile); posix_kill($pid, SIGKILL); unlink($this->pidfile); } } /** * @param $proc */ private function help($proc) { printf("%s start | stop | restart | stat | help \n", $proc); } /** * @param $argv */ public function main($argv) { if (count($argv) < 2) { printf("please input help parameter\n"); exit(); } if ($argv[1] === 'stop') { $this->stop(); } else if ($argv[1] === 'start') { $this->start(); } else if ($argv[1] === 'restart') { $this->restart(); } else if ($argv[1] === 'stat') { if (is_file($this->pidfile)) { posix_kill(file_get_contents($this->pidfile), SIGHUP); } else { print "\n_______程序沒(méi)有啟動(dòng)________\n"; } } else { $this->help("command list :"); } } /** * @param $instance * @param $channelName * @param $message */ public function handle($instance, $channelName, $message) { file_put_contents(__DIR__ . "/$channelName.txt", $message . "\n", FILE_APPEND); } /** * @param $signo */ public function signoH($signo) { switch ($signo) { case SIGHUP : print "\n___________運(yùn)行狀態(tài)___________\n"; print "HOST :" . self::HOST . "\n"; print "PORT :" . self::PORT . "\n"; print "NAME : " . self::PROCESS_NAME . "\n"; print "PID : " . file_get_contents($this->pidfile) . "\n"; print "________________________________\n"; break; case SIGTERM: posix_kill(file_get_contents($this->pidfile), 9); break; default : print "\n________________________________\n"; print "呀!~有人想殺掉我!\n"; print "________________________________\n"; } } }
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