/**
* @override
* @inheritDoc
*/
public function destroyProcess($alias, $flags = Runtime::DESTROY_FORCE_SOFT, $params = [])
{
if (!isset($this->processes[$alias])) {
return Promise::doResolve("Process [{$alias}] was not needed to be destroyed, because it had not existed.");
}
$pid = $this->processes[$alias]['pid'];
$manager = $this;
if ($flags === Runtime::DESTROY_KEEP) {
return Promise::doReject(new ResourceOccupiedException("Process [{$alias}] could not be destroyed with force level=DESTROY_KEEP."));
} else {
if ($flags === Runtime::DESTROY_FORCE_SOFT) {
$req = $this->createRequest($this->channel, $alias, new RuntimeCommand('container:destroy', $params));
return $req->call()->then(function ($value) use($manager, $alias) {
usleep(1000.0);
$manager->freeProcess($alias);
return $value;
});
} else {
if ($flags === Runtime::DESTROY_FORCE) {
$manager = $this;
return $manager->destroyProcess($alias, Runtime::DESTROY_FORCE_SOFT, $params)->then(null, function () use($manager, $alias, $params) {
return $manager->destroyProcess($alias, Runtime::DESTROY_FORCE_HARD, $params);
});
}
}
}
if (!$this->system->existsPid($pid)) {
return Promise::doResolve()->then(function () use($manager, $alias) {
$manager->freeProcess($alias);
})->then(function () use($pid) {
return "Process with pid [{$pid}] was not needed to be destroyed, because it had not existed.";
});
} else {
if (!$this->system->kill($pid)) {
return Promise::doReject(new ResourceOccupiedException("Process with pid [{$pid}] could not be killed forcefully."));
}
}
return Promise::doResolve()->then(function () use($manager, $alias) {
$manager->freeProcess($alias);
return "Process has been destroyed!";
});
}
