/**
* @param RuntimeInterface $runtime
* @param ChannelBaseInterface $channel
* @param EnvironmentInterface $env
* @param SystemInterface $system
* @param FilesystemInterface $fs
* @throws InstantiationException
*/
public function __construct(RuntimeInterface $runtime, ChannelBaseInterface $channel, EnvironmentInterface $env, SystemInterface $system, FilesystemInterface $fs)
{
$this->runtime = $runtime;
$this->channel = $channel;
$this->env = $env;
$this->system = $system;
$this->fs = $fs;
$this->scriptRoot = $runtime->core()->dataPath() . '/autorun';
$this->fsPath = $runtime->core()->dataDir() . '/tmp/process/' . $runtime->alias() . '/manager/processes.json';
$this->processes = [];
try {
$this->processes = $this->selectFromStorage();
} catch (Error $ex) {
throw new InstantiationException('ProcessManagerBase could not be initialized.');
} catch (Exception $ex) {
throw new InstantiationException('ProcessManagerBase could not be initialized.');
}
}
/**
* @param string $alias
* @param string|null $name
* @param int $flags
* @return PromiseInterface
*/
public function createThread($alias, $name, $flags = Runtime::CREATE_DEFAULT)
{
if (isset($this->threads[$alias])) {
if ($name === null) {
$name = $this->threads[$alias]->name;
}
if ($flags === Runtime::CREATE_FORCE_SOFT) {
$manager = $this;
return $this->destroyThread($alias, Runtime::DESTROY_FORCE_SOFT)->then(function () use($manager, $alias, $name) {
return $manager->createThread($alias, $name);
});
} else {
if ($flags === Runtime::CREATE_FORCE_HARD) {
$manager = $this;
return $this->destroyThread($alias, Runtime::DESTROY_FORCE_HARD)->then(function () use($manager, $alias, $name) {
return $manager->createThread($alias, $name);
});
} else {
if ($flags === Runtime::CREATE_FORCE) {
$manager = $this;
return $this->destroyThread($alias, Runtime::DESTROY_FORCE)->then(function () use($manager, $alias, $name) {
return $manager->createThread($alias, $name);
});
} else {
return Promise::doReject(new ResourceDefinedException('Thread with such alias already exists.'));
}
}
}
} else {
if ($name === null) {
return Promise::doReject(new InvalidArgumentException('Name of new thread cannot be null.'));
}
}
$controller = new ThreadController();
$wrapper = new ThreadWrapper($controller, $this->runtime->core()->dataPath(), $this->runtime->alias(), $alias, $name);
$wrapper->start(PTHREADS_INHERIT_ALL);
$this->allocateThread($alias, $wrapper);
$req = new Request($this->channel, $alias, new RuntimeCommand('cmd:ping'));
return $req->call()->then(function () {
return 'Thread has been created.';
}, function ($reason) use($alias) {
$this->freeThread($alias);
return $reason;
}, function ($reason) use($alias) {
$this->freeThread($alias);
return $reason;
});
}
