public function __construct(Client $client, Mutex $mutex)
{
$this->client = $client;
$this->mutex = $mutex;
$this->locks = [];
$this->repeatTimer = repeat(function () {
foreach ($this->locks as $id => $token) {
$this->mutex->renew($id, $token);
}
}, $this->mutex->getTTL() / 2);
}
/**
* @param string $root
* @param \Amp\File\Driver $filesystem
* @param \Amp\Reactor $reactor
* @throws \DomainException On invalid root path
*/
public function __construct(string $root, file\Driver $filesystem = null)
{
$root = \str_replace("\\", "/", $root);
if (!(\is_readable($root) && \is_dir($root))) {
throw new \DomainException("Document root requires a readable directory");
}
$this->root = \rtrim(\realpath($root), "/");
$this->filesystem = $filesystem ?: file\filesystem();
$this->multipartBoundary = \uniqid("", true);
$this->cacheWatcher = amp\repeat(function () {
$this->now = $now = time();
foreach ($this->cacheTimeouts as $path => $timeout) {
if ($now <= $timeout) {
break;
}
$fileInfo = $this->cache[$path];
unset($this->cache[$path], $this->cacheTimeouts[$path]);
$this->bufferedFileCount -= isset($fileInfo->buffer);
$this->cacheEntryCount--;
}
}, 1000, $options = ["enable" => false]);
}
public function enableForRoom(Room $room, bool $persist = true)
{
repeat(function () use($room) {
return $this->checkStatusChange($room);
}, 150000);
}
/**
* Constructs a new Mutex instance. A single instance can be used to create as many locks as you need.
*
* @param string $uri URI of the Redis server instance, e.g. tcp://localhost:6379
* @param array $options {
* General options for this instance.
*
* @type string|null $password password for the Redis server
* @type int $max_connections maximum of concurrent Redis connections waiting for a lock with blocking commands
* @type int timeout timeout for blocking lock wait
* @type int $ttl key ttl for created locks and lock renews
* }
*/
public function __construct(string $uri, array $options)
{
$this->uri = $uri;
$this->options = $options;
$this->std = new Client($uri, isset($options["password"]) ? ["password" => $options["password"]] : []);
$this->maxConnections = $options["max_connections"] ?? 0;
$this->ttl = $options["ttl"] ?? 1000;
$this->timeout = (int) (($options["timeout"] ?? 1000) / 1000);
$this->readyConnections = [];
$this->busyConnections = [];
$this->busyConnectionMap = [];
$this->watcher = repeat(function () {
$now = time();
$unused = $now - 60;
foreach ($this->readyConnections as $key => list($time, $connection)) {
if ($time > $unused) {
break;
}
unset($this->readyConnections[$key]);
$connection->close();
}
}, 5000);
}
private function connect(Request $request)
{
$promise = httpClient()->request($request, [HttpClient::OP_DISCARD_BODY => true, HttpClient::OP_MS_TRANSFER_TIMEOUT => null]);
// yes, yes not spec compliant but it *gets the job done* until we can implement something better
$chunkCombiner = new JsonChunkCombiner();
$stats = new Stats();
$logger = $this->logger;
$callback = function (array $notifyData) use($chunkCombiner, $stats, $logger) {
$event = array_shift($notifyData);
if ($event === Notify::REQUEST_SENT) {
$stats->increment('connectionAttempts');
$msg = "Connection request #{$stats->connectionAttempts()} sent";
$logger->info($msg);
}
if ($event === Notify::RESPONSE_HEADERS) {
$stats->streamEstablished();
$prettyTime = date('Y-m-d H:i:s', $stats->startTime());
$logger->info("Twitter responded at {$prettyTime} UTC");
}
if ($event === Notify::RESPONSE_BODY_DATA) {
$data = trim($notifyData[0]);
if (!empty($data)) {
$chunkCombiner->push($data);
if ($chunkCombiner->isValidJson()) {
// TODO pass $json to Storage when implemented
$json = $chunkCombiner->getCombinedChunksAsJson();
$chunkCombiner->clearChunks();
$stats->increment('statusUpdates');
}
}
}
};
$promise->watch($callback);
$promise->when(function ($err, $response) use($logger) {
if ($err) {
$exceptionType = get_class($err);
$msg = "{$exceptionType}('{$err->getMessage()}') in {$err->getFile()} on L{$err->getLine()}";
$logger->critical($msg);
// TODO if an exception was thrown should decide if we want to stop execution; this should probably not happen in normal circumstances
} else {
$msg = "Connection ended: {$response->getStatus()} {$response->getReason()}";
$logger->error($msg);
}
// TODO remove this when we have the reconnection/backoff implemented
\Amp\stop();
});
$statUpdate = function () use($stats) {
$runningTime = time() - $stats->startTime();
$this->logger->info("Stats: {$stats->statusUpdates()} statuses. Running for {$runningTime} seconds.");
};
$statUpdate = $statUpdate->bindTo($this, $this);
repeat($statUpdate, 15000);
}
