private function loadVars()
{
if (!$this->lock->lock()) {
return;
}
if (!shm_has_var($this->memory, self::SID_VARS)) {
$this->varNames = [];
shm_put_var($this->memory, self::SID_VARS, $this->varNames);
} else {
$this->varNames = shm_get_var($this->memory, self::SID_VARS);
}
$this->lock->unlock();
}
public function read()
{
$this->_open('r');
$lock = new Lock($this);
$lock->sh();
if ($this->ttl > 0) {
if (time() - filemtime($this->fileName) >= $this->ttl) {
$lock->unlock();
$this->_close();
unlink($this->fileName);
return false;
}
}
$content = false;
while (!feof($this->handle)) {
$content .= fread($this->handle, 4012);
}
$lock->unlock();
$this->_close();
return $content;
}
} else {
trigger_error("AIESEC-Customer.io-Connector is missing a config file", E_USER_ERROR);
die;
}
// instantiate KLogger (we don't catch anything here, because we can not do anything about it)
$log = new \Katzgrau\KLogger\Logger(LOG, LOGLEVEL);
$log->log(\Psr\Log\LogLevel::INFO, "AIESEC-Customer.io-Connector is starting.");
// try to get lock
$pid = Lock::lock($log);
// check if we got the lock
if ($pid < 1) {
// there is a problem or another process running. Shutdown...
$log->log(\Psr\Log\LogLevel::INFO, "AIESEC-Customer.io-Connector didn't got the lock. This instance is shutting down...");
} else {
// we got the lock, so check that data directory is writeable
if (!file_exists('./data') || !is_writeable('./data')) {
die("data directory must be writeable");
}
//try to run the core and sync once
try {
$core = new Core($log);
if ($core) {
$core->run();
}
} catch (Exception $e) {
// catch all Exception to release the lock before dying.
$log->log(\Psr\Log\LogLevel::ERROR, "We encountered an unhandled Exception: " . $e->getMessage(), (array) $e->getTrace());
}
// unlock the base directory
Lock::unlock($log);
}
/**
* Tests unlock().
*
* @see Lock::unlock()
*/
public function testUnlock()
{
$name = __FUNCTION__;
$checkLock = new Lock($name);
$lock = new Lock($name);
$lock->lock();
$lock->unlock();
$this->assertTrue($checkLock->nonblockingLock());
$checkLock->unlock();
}
<?php
require_once '../shell.php';
if (isset($_POST['ID'])) {
$id = $_POST['ID'];
$lock = new Lock($id);
if ($lock->isLocked()) {
$lock->unlock();
$command = escapeshellcmd("python /var/www/python/clear.py");
echo $command;
$output = shell_exec($command);
echo "Output: {$output} <br>";
} else {
$lock->lock();
$command = escapeshellcmd("python /var/www/python/LightsHandler.py allamb on");
echo $command;
$output = shell_exec($command);
echo "Output: {$output} <br>";
}
}
/**
* @covers Yeriomin\ConsoleApp\Lock::unlock
*/
public function testUnlockNothing()
{
// Nothing happens
$this->object->unlock();
}
