/**
* array(
* pid: 进程id
* time: 运行时间
* sleep:休眠时间
* )
*/
function yze_daemon_status()
{
$pid = yze_getpid();
if (!$pid) {
return array();
}
$f = popen("ps -eo pid,tty,user,comm,etime | grep '{$pid} .* php'", "r");
$string = fgets($f);
pclose($f);
if (!$string) {
return array();
}
$cliinfo = preg_match_all("/[^\\s]+/", trim($string), $matchs);
$sleep = function_exists("yze_get_sleep") ? yze_get_sleep() : 60;
return array('pid' => $pid, "time" => trim(@$matchs[0][4]), "sleep" => $sleep);
}
function yze_run_daemon()
{
yze_daemon_log("yze_run_daemon");
if (yze_daemon_status()) {
yze_daemon_log("can not start, YZE Daemon is running");
exit;
}
$pid = pcntl_fork();
if ($pid == -1) {
yze_daemon_log("could not fork YZE Daemon, abort.");
exit;
} else {
if ($pid) {
// we are the parent
yze_savepid($pid);
exit;
}
}
//here is child
// detatch from the controlling terminal
if (posix_setsid() == -1) {
yze_daemon_log("could not detach from terminal. abort. ");
exit;
}
// setup signal handlers
pcntl_signal(SIGTERM, "sig_handler");
pcntl_signal(SIGHUP, "sig_handler");
// loop forever performing tasks
while (1) {
yze_daemon_log("yze_run_daemon " . date("Y-m-d H:i:s"));
foreach ((array) yze_get_jobs() as $job) {
if (function_exists($job)) {
yze_daemon_log("call {$job} at " . date("Y-m-d H:i:s"));
$callinfo = call_user_func($job);
yze_daemon_log("called: {$callinfo}");
}
}
sleep(function_exists("yze_get_sleep") ? yze_get_sleep() : 60);
}
}
