/**
* @inheritdoc
*
* @param Task $task
*/
public function handle(Task $task)
{
$config = $task->getData();
if ($config["driver"] === "mysql") {
$config += ["host" => "127.0.0.1", "port" => 3306, "charset" => "utf8", "socket" => null];
}
if ($config["remit"]["driver"] === "zeromq") {
$config["remit"]["server"] += ["host" => "127.0.0.1"];
$config["remit"]["client"] += ["host" => "127.0.0.1"];
$server = new ZeroMqServer(new InMemoryLocation($config["remit"]["client"]["host"], $config["remit"]["client"]["port"]));
$client = new ZeroMqClient(new InMemoryLocation($config["remit"]["server"]["host"], $config["remit"]["server"]["port"]));
}
$connection = new ExtendedPdo(new PDO($this->newConnectionString($config), $config["username"], $config["password"]));
$server->addListener("q", function ($query, $values, $id) use($client, $connection) {
$client->emit("r", [$connection->fetchAll($query, $values), $id]);
});
$server->addListener("d", function () use($connection, $server, $client) {
$client->emit("dd");
try {
$connection->disconnect();
} catch (Exception $exception) {
// TODO: find an elegant way to deal with this
}
$server->disconnect();
$client->disconnect();
Loop\stop();
});
Loop\periodic(0, function () use($server) {
$server->tick();
});
Loop\run();
}
/**
* @inheritdoc
*
* @param Task $task
*/
public function handle(Task $task)
{
$data = $task->getData();
if (isset($data["closure"])) {
$closure = $data["closure"];
$closure($this, $task);
}
}
/**
* @inheritdoc
*
* @param Task $task
*/
public function handle(Task $task)
{
$data = $task->getData();
if (isset($data["callback"])) {
$callback = $data["callback"];
$callback();
}
}
/**
* @inheritdoc
*
* @return bool
*/
public function isCancelled()
{
if ($this->task instanceof Cancellable) {
return $this->task->isCancelled();
}
return false;
}
/**
* Revoke any background processes attached to this task.
*
* @param Task $task
*
* @return bool
*/
private function killTask(Task $task)
{
if ($task instanceof Process) {
$stdout = $this->getStdOut();
$stderr = $this->getStdErr();
$this->getShell()->exec("kill -9 %s {$stdout} {$stderr} &", [$task->getId()]);
return true;
}
return false;
}
/**
* Revoke any background processes attached to this task.
*
* @param Task $task
*
* @return bool
*/
private function killTask(Task $task)
{
if ($task instanceof Process) {
$this->getShell()->exec("kill -9 %s", [$task->getId()]);
return true;
}
return false;
}
/**
* Checks whether a running process can be removed (has stopped running).
*
* @param Task $task
*
* @return bool
*/
protected function canRemoveTask(Task $task)
{
if (!$task instanceof Process) {
return true;
}
$processes = array_filter($this->running, function (Task $task) {
return $task instanceof Process;
});
if (count($processes) < 1) {
return true;
}
$found = false;
$stats = $this->getStatsForProcesses($processes);
foreach ($stats as $stat) {
if ($stat[0] === $task->getId()) {
$found = true;
}
}
return !$found;
}
/**
* Revoke any background processes attached to this task
*
* @param Task $task
* @return bool If the process was killed
*/
protected function killTask(Task $task)
{
if ($task instanceof Process) {
$this->getShell()->exec("kill -9 %s", array($task->getId()));
return true;
}
return false;
}
/**
* Gets all the rules that apply to a task.
*
* @param Task $task
*
* @return Rule[]
*/
private function getRulesForTask(Task $task)
{
return array_filter($this->rules, function (Rule $rule) use($task) {
return $rule->getHandler() === null || $rule->getHandler() === $task->getHandler();
});
}
