Prevent the running of multiple xmpp auth daemons at a time

This commit is contained in:
Michael 2017-12-09 09:46:21 +00:00
commit 8db5b121ff
3 changed files with 385 additions and 323 deletions

View file

@ -11,6 +11,7 @@ class Pidfile
{
private $file;
private $running;
private $pid;
/**
* @param string $dir path
@ -19,18 +20,19 @@ class Pidfile
*/
public function __construct($dir, $name)
{
$this->_file = "$dir/$name.pid";
$this->file = "$dir/$name";
$this->running = false;
if (file_exists($this->_file)) {
$pid = trim(@file_get_contents($this->file));
if (($pid != "") && posix_kill($pid, 0)) {
if (file_exists($this->file)) {
$this->pid = trim(@file_get_contents($this->file));
if (($this->pid != "") && posix_kill($this->pid, 0)) {
$this->running = true;
}
}
if (! $this->running) {
$pid = getmypid();
file_put_contents($this->file, $pid);
if (!$this->running) {
$this->pid = getmypid();
file_put_contents($this->file, $this->pid);
}
}
@ -39,34 +41,46 @@ class Pidfile
*/
public function __destruct()
{
if ((! $this->running) && file_exists($this->file)) {
if (!$this->running && file_exists($this->file)) {
@unlink($this->file);
}
}
/**
* @return boolean
* @brief Check if a process with this pid file is already running
* @return boolean Is it running?
*/
public static function isRunning()
public function isRunning()
{
return self::$running;
return $this->running;
}
/**
* @return object
* @brief Return the pid of the process
* @return boolean process id
*/
public static function runningTime()
public function pid()
{
return time() - @filectime(self::$file);
return $this->pid;
}
/**
* @brief Returns the seconds that the old process was running
* @return integer run time of the old process
*/
public function runningTime()
{
return time() - @filectime($this->file);
}
/**
* @brief Kills the old process
* @return boolean
*/
public static function kill()
public function kill()
{
if (file_exists(self::$file)) {
return posix_kill(file_get_contents(self::$file), SIGTERM);
if (!empty($this->pid)) {
return posix_kill($this->pid, SIGTERM);
}
}
}