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<?php |
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namespace Jerodev\PhpIrcClient; |
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use Exception; |
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use Jerodev\PhpIrcClient\Helpers\EventHandlerCollection; |
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use Jerodev\PhpIrcClient\Messages\IrcMessage; |
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use React\EventLoop\LoopInterface; |
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use React\Socket\ConnectionInterface; |
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class IrcConnection |
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{ |
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/** @var bool */ |
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private $connected; |
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/** @var ConnectionInterface|null */ |
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private $connection; |
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/** @var EventHandlerCollection */ |
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private $eventHandlerCollection; |
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/** @var LoopInterface */ |
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private $loop; |
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/** @var IrcMessageParser */ |
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private $messageParser; |
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/** @var string */ |
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private $server; |
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public function __construct(string $server) |
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{ |
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$this->connected = false; |
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$this->eventHandlerCollection = new EventHandlerCollection(); |
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$this->messageParser = new IrcMessageParser(); |
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$this->server = $server; |
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} |
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/** |
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* Open a connection to the irc server. |
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*/ |
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public function open() |
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{ |
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$this->loop = \React\EventLoop\Factory::create(); |
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$tcpConnector = new \React\Socket\TcpConnector($this->loop); |
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$dnsResolverFactory = new \React\Dns\Resolver\Factory(); |
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$dns = $dnsResolverFactory->createCached('1.1.1.1', $this->loop); |
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$dnsConnector = new \React\Socket\DnsConnector($tcpConnector, $dns); |
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$dnsConnector->connect($this->server)->then(function (ConnectionInterface $connection) { |
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$this->connection = $connection; |
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$this->connected = true; |
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$this->connection->on('data', function ($data) { |
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foreach ($this->messageParser->parse($data) as $msg) { |
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$this->handleMessage($msg); |
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} |
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}); |
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$this->connection->on('close', function () { |
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$this->connected = false; |
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}); |
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$this->connection->on('end', function () { |
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$this->connected = false; |
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}); |
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}); |
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$this->loop->run(); |
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} |
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/** |
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* Close the current irc server connection. |
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*/ |
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public function close(): void |
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{ |
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if ($this->isConnected()) { |
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$this->connection->close(); |
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$this->loop->stop(); |
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} |
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} |
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/** |
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* Test if there is an open connection to the irc server. |
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*/ |
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public function isConnected(): bool |
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{ |
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return $this->connection && $this->connected; |
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} |
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/** |
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* Set a callback for received irc data |
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* An IrcMessage object will be passed to the callback |
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* |
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* @param callable $function The function to be called. |
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*/ |
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public function onData(callable $function): void |
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{ |
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$this->eventHandlerCollection->addHandler('data', $function); |
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} |
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/** |
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* Send a command to the irc server. |
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* |
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* @param string $command The raw irc command. |
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* |
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* @throws Exception if no open connection is available. |
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*/ |
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public function write(string $command): void |
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{ |
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if (!$this->isConnected()) { |
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throw new Exception('No open connection was found to write commands to.'); |
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} |
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// Make sure the command ends in a newline character |
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if (substr($command, -1) !== "\n") { |
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$command .= "\n"; |
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} |
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$this->connection->write($command); |
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} |
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/** |
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* Handle a single parsed IrcMessage. |
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* |
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* @param IrcMessage $message The message received from the server. |
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*/ |
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private function handleMessage(IrcMessage $message): void |
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{ |
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$this->eventHandlerCollection->invoke('data', [$message]); |
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} |
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} |
jerodev /
php-irc-client
