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<?php
 // Just start this server and connect to it. Everything you send to it will be
 // sent back to you.
 //
 // $ php examples/01-echo-server.php 8000
 // $ telnet localhost 8000
 //
 // You can also run a secure TLS echo server like this:
 //
 // $ php examples/01-echo-server.php tls://127.0.0.1:8000 examples/localhost.pem
 // $ openssl s_client -connect localhost:8000
 //
 // You can also run a Unix domain socket (UDS) server like this:
 //
 // $ php examples/01-echo-server.php unix:///tmp/server.sock
 // $ nc -U /tmp/server.sock
 
 use React\EventLoop\Factory;
 use React\Socket\Server;
 use React\Socket\ConnectionInterface;
 
 require __DIR__ . '/../vendor/autoload.php';
 
 $loop = Factory::create();
 
 $server = new Server(isset($argv[1]) ? $argv[1] : 0, $loop, array(
 'tls' => array(
 'local_cert' => isset($argv[2]) ? $argv[2] : (__DIR__ . '/localhost.pem')
 )
 ));
 
 $server->on('connection', function (ConnectionInterface $connection) {
 echo '[' . $connection->getRemoteAddress() . ' connected]' . PHP_EOL;
 $connection->pipe($connection);
 });
 
 $server->on('error', 'printf');
 
 echo 'Listening on ' . $server->getAddress() . PHP_EOL;
 
 $loop->run();
 
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