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<?php |
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/** |
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* Spike library |
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* @author Tao <[email protected]> |
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*/ |
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namespace Spike\Client; |
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use React\EventLoop\LoopInterface; |
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use React\EventLoop\Factory as LoopFactory; |
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use React\Socket\ConnectionInterface; |
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use React\Socket\Connector; |
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use Slince\Event\Dispatcher; |
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use Slince\Event\Event; |
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use Spike\Client\Timer\Heartbeat; |
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use Spike\Logger\Logger; |
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use Spike\Timer\MemoryWatcher; |
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use Spike\Timer\TimerInterface; |
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use Spike\Timer\UseTimerTrait; |
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use Spike\Tunnel\HttpTunnel; |
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use Spike\Tunnel\TunnelFactory; |
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use Spike\Tunnel\TunnelInterface; |
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use Spike\Client\TunnelClient\TunnelClientInterface; |
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use Spike\Exception\InvalidArgumentException; |
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use Spike\Exception\RuntimeException; |
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use Spike\Parser\SpikeParser; |
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use Spike\Protocol\Spike; |
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use Spike\Protocol\SpikeInterface; |
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class Client |
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{ |
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use UseTimerTrait; |
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/** |
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* @var LoopInterface |
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*/ |
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protected $loop; |
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/** |
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* @var Dispatcher |
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*/ |
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protected $dispatcher; |
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/** |
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* @var Connector |
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*/ |
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protected $connector; |
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/** |
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* @var ConnectionInterface |
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*/ |
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protected $controlConnection; |
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/** |
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* @var TunnelClientCollection |
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*/ |
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protected $tunnelClients; |
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/** |
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* @var string |
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*/ |
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protected $serverAddress; |
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/** |
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* @var array |
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*/ |
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protected $credential; |
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/** |
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* @var string |
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*/ |
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protected $id; |
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/** |
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* Tunnels collection |
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* @var TunnelCollection |
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*/ |
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protected $tunnels = []; |
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/** |
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* Auth info |
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* @var array |
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*/ |
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protected $auth; |
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/** |
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* @var Logger |
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*/ |
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protected $logger; |
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public function __construct($serverAddress, $tunnels, $auth, LoopInterface $loop = null, Dispatcher $dispatcher = null) |
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{ |
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$this->serverAddress = $serverAddress; |
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$this->auth = $auth; |
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$this->dispatcher = $dispatcher ?: new Dispatcher(); |
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$this->loop = $loop ?: LoopFactory::create(); |
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$this->connector = new Connector($this->loop); |
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$this->tunnels = $this->createTunnels($tunnels); |
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$this->tunnelClients = new TunnelClientCollection(); |
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} |
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/** |
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* Creates array of tunnels |
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* @param array $data |
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* @return TunnelCollection |
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*/ |
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protected function createTunnels($data) |
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{ |
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$tunnels = []; |
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foreach ($data as $info) { |
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$tunnel = TunnelFactory::fromArray($info); |
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$tunnels[] = $tunnel; |
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} |
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return new TunnelCollection($tunnels); |
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} |
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/** |
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* Run the client |
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*/ |
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public function run() |
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{ |
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$this->connector->connect($this->serverAddress)->then(function(ConnectionInterface $connection){ |
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//Emit the event |
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$this->dispatcher->dispatch(new Event(EventStore::CONNECT_TO_SERVER, $this, [ |
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'connection' => $connection |
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])); |
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$this->controlConnection = $connection; |
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$this->requestAuth($connection); |
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$this->handleControlConnection($connection); |
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}); |
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$this->dispatcher->dispatch(EventStore::CLIENT_RUN); |
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foreach ($this->getDefaultTimers() as $timer) { |
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$this->addTimer($timer); |
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} |
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$this->loop->run(); |
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} |
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/** |
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* Close the client |
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*/ |
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public function close() |
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{ |
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foreach ($this->timers as $timer) { |
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$timer->cancel(); |
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} |
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foreach ($this->tunnelClients as $tunnelClient) { |
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$tunnelClient->close(); |
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} |
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$this->controlConnection && $this->controlConnection->end(); |
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} |
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/** |
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* Handles the control connection |
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* @param ConnectionInterface $connection |
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*/ |
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protected function handleControlConnection(ConnectionInterface $connection) |
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{ |
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$parser = new SpikeParser(); |
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$connection->on('data', function($data) use($parser, $connection){ |
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$parser->pushIncoming($data); |
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$messages = $parser->parse(); |
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foreach ($messages as $message) { |
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$message = Spike::fromString($message); |
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$this->dispatcher->dispatch(new Event(EventStore::RECEIVE_MESSAGE, $this, [ |
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'message' => $message, |
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'connection' => $connection |
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])); |
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$this->createMessageHandler($message, $connection)->handle($message); |
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} |
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}); |
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$connection->on('close', function(){ |
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$this->close(); |
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}); |
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} |
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/** |
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* Request for auth |
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* @param ConnectionInterface $connection |
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*/ |
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protected function requestAuth(ConnectionInterface $connection) |
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{ |
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$authInfo = array_replace([ |
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'os' => PHP_OS, |
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'version' => '', |
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], $this->auth); |
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$connection->write(new Spike('auth', $authInfo)); |
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} |
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/** |
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* Gets the client id |
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* @return string |
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*/ |
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public function getClientId() |
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{ |
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return $this->id; |
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} |
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/** |
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* Sets the client id |
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* @param string $id |
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*/ |
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public function setClientId($id) |
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{ |
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$this->id = $id; |
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Spike::setGlobalHeader('Client-ID', $id); |
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$this->addTimer(new Heartbeat($this)); |
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} |
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/** |
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* Gets all tunnel clients |
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* @return TunnelClientCollection |
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*/ |
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public function getTunnelClients() |
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{ |
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return $this->tunnelClients; |
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} |
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/** |
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* Gets all tunnels |
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* @return TunnelCollection |
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*/ |
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public function getTunnels() |
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{ |
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return $this->tunnels; |
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} |
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/** |
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* Gets the dispatcher |
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* @return Dispatcher |
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*/ |
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public function getDispatcher() |
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{ |
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return $this->dispatcher; |
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} |
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/** |
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* @return ConnectionInterface |
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*/ |
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public function getControlConnection() |
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{ |
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return $this->controlConnection; |
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} |
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/** |
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* Sets a logger |
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* @param Logger $logger |
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*/ |
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public function setLogger($logger) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* Gets the logger |
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* @return Logger |
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*/ |
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public function getLogger() |
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{ |
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return $this->logger; |
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} |
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/** |
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* Gets the loop instance |
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* @return LoopInterface |
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*/ |
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public function getLoop() |
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{ |
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return $this->loop; |
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} |
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/** |
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* Creates a tunnel client to process proxy connection |
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* @param TunnelInterface $tunnel |
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* @param string $proxyConnectionId |
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* @return TunnelClientInterface |
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*/ |
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public function createTunnelClient(TunnelInterface $tunnel, $proxyConnectionId) |
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{ |
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if ($tunnel instanceof HttpTunnel) { |
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$tunnelClient = new TunnelClient\HttpTunnelClient($this, $tunnel, $proxyConnectionId, $this->serverAddress, $this->loop); |
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} else { |
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$tunnelClient = new TunnelClient\TcpTunnelClient($this, $tunnel, $proxyConnectionId, $this->serverAddress, $this->loop); |
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} |
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$tunnelClient->run(); |
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$this->tunnelClients->add($tunnelClient); |
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return $tunnelClient; |
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} |
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/** |
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* Creates the handler for the received message |
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* @param SpikeInterface $message |
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* @param ConnectionInterface $connection |
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* @return Handler\HandlerInterface |
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*/ |
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protected function createMessageHandler(SpikeInterface $message, ConnectionInterface $connection) |
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{ |
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switch ($message->getAction()) { |
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case 'auth_response': |
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$handler = new Handler\AuthResponseHandler($this, $connection); |
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break; |
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case 'register_tunnel_response': |
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$handler = new Handler\RegisterTunnelResponseHandler($this, $connection); |
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break; |
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case 'request_proxy': |
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$handler = new Handler\RequestProxyHandler($this, $connection); |
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break; |
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default: |
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throw new InvalidArgumentException(sprintf('Cannot find handler for the message: "%s"', |
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$message->getAction() |
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)); |
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} |
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return $handler; |
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} |
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/** |
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* Creates default timers |
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* @return TimerInterface[] |
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*/ |
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protected function getDefaultTimers() |
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{ |
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return [ |
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new MemoryWatcher($this->logger) |
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]; |
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} |
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} |