if(count($_SERVER["argv"]) < 3)
die("Usage: {$_SERVER["argv"][0]} bind_ip uri [user] [debug] [foreground]\n");
$debug = false;
if(isset($_SERVER["argv"][4]))
$debug = (bool)$_SERVER["argv"][4];
if(isset($_SERVER["argv"][5])) {
$foreground = (bool)$_SERVER["argv"][5];
} else {
$foreground = $debug;
}
if (!$foreground) {
if (function_exists('posix_setsid') && function_exists('pcntl_fork')) {
$pid = daemonize("/tmp/httptftpserver.pid", "/");
if($pid === false)
die("Failed to daemonize\n");
if($pid != 0)
exit(0);
} else {
echo "POSIX Functions don't exist. So we can't run this in the background.\n" .
"You Might want to think about running 'yum install php-process' or something equivalent\n" .
"For now we will just run in the foreground\n";
}
}
$user = null;
if(isset($_SERVER["argv"][3]) && function_exists('posix_setsid'))
$user = posix_getpwnam($_SERVER["argv"][3]);
}
chmod("{$workdirpath}/testcase", 0700);
// Auto-register judgehost via REST
// If there are any unfinished judgings in the queue in my name,
// they will not be finished. Give them back.
$unfinished = request('judgehosts', 'POST', 'hostname=' . urlencode($myhost));
$unfinished = dj_json_decode($unfinished);
foreach ($unfinished as $jud) {
$workdir = "{$workdirpath}/c{$jud['cid']}-s{$jud['submitid']}-j{$jud['judgingid']}";
@chmod($workdir, 0700);
logmsg(LOG_WARNING, "Found unfinished judging j" . $jud['judgingid'] . " in my name; given back");
}
}
// If all startup done, daemonize
if (isset($options['daemon'])) {
daemonize(PIDFILE);
}
// Constantly check API for unjudged submissions
$endpointIDs = array_keys($endpoints);
$currentEndpoint = 0;
while (TRUE) {
// If all endpoints are waiting, sleep for a bit
$dosleep = TRUE;
foreach ($endpoints as $id => $endpoint) {
if ($endpoint["waiting"] == FALSE) {
$dosleep = FALSE;
break;
}
}
// Sleep only if everything is "waiting" and only if we're looking at the first endpoint again
if ($dosleep && $currentEndpoint == 0) {
{
$child = pcntl_fork();
if ($child) {
exit(0);
// kill parent
}
posix_setsid();
// become session leader
umask(0);
// clear umask
return posix_getpid();
}
// daemonize the process so it's sits in the background
// we don't do it in Debian since there, we use start-stop-daemon that does all the job
if (!file_exists("/etc/debian_version")) {
$pid = daemonize();
$fp = fopen("/var/run/dtc-stats-daemon.pid", "w");
fwrite($fp, $pid . "\n");
fclose($fp);
}
$log_fp = fopen("/var/log/dtc-stats-daemon.log", "a+");
error_reporting(E_ALL);
$conf_time_delay_in_seconds = 62;
fwrite($log_fp, date("Y-m-d H:i:s") . " dtc-stats-daemon starting up...\n");
$last_loop = 0;
// loop until we want to shutdown...
$shutdown = false;
while (!$shutdown) {
if ($last_loop > 0) {
$time_elapsed_since_last_run = time() - $last_loop;
// if the time elapsed is less than 10 minutes, sleep until it is
<?php
function daemonize()
{
$pid = pcntl_fork();
if ($pid == -1) {
die("fork(1) failed!\n");
} elseif ($pid > 0) {
//让由用户启动的进程退出
exit(0);
}
//建立一个有别于终端的新session以脱离终端
posix_setsid();
//此时子进程已经成为无控制终端的会话组长进程，但有可能再次打开一个控制终端；再次fork，变成非会话组长进程即可。
$pid = pcntl_fork();
if ($pid == -1) {
die("fork(2) failed!\n");
} elseif ($pid > 0) {
//父进程退出, 剩下子进程成为最终的独立进程
exit(0);
}
}
daemonize();
sleep(1000);
{
$result = $this->query("SELECT NOW()");
if($result === false)
return false;
$row = mysql_fetch_array($result);
if($row === false)
return false;
return "ok {$row[0]}\n";
}
}
// daemonize, write pidfile and change working directory
// SIGTERM will terminate
$pid = daemonize("/tmp/mysqltftpserver.pid", "/");
if($pid === false)
die("Failed to daemonize\n");
if($pid != 0)
exit(0);
$config = array("hostname" => "localhost",
"username" => "",
"password" => "",
"database" => "");
$server = new MySQLTFTPServer("udp://0.0.0.0:69", $config);
if(!$server->loop(&$error, posix_getpwnam("nobody")));
die("$error\n");
?>
