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<?php
 // Just start the server and connect to it. It will count the number of bytes
 // sent for each connection and will print the average throughput once the
 // connection closes.
 //
 // $ php examples/91-benchmark-server.php 8000
 // $ telnet localhost 8000
 // $ echo hello world | nc -N localhost 8000
 // $ dd if=/dev/zero bs=1M count=1000 | nc -N localhost 8000
 //
 // You can also run a secure TLS benchmarking server like this:
 //
 // $ php examples/91-benchmark-server.php tls://127.0.0.1:8000 examples/localhost.pem
 // $ openssl s_client -connect localhost:8000
 // $ echo hello world | openssl s_client -connect localhost:8000
 // $ dd if=/dev/zero bs=1M count=1000 | openssl s_client -connect localhost:8000
 //
 // You can also run a Unix domain socket (UDS) server benchmark like this:
 //
 // $ php examples/91-benchmark-server.php unix:///tmp/server.sock
 // $ nc -N -U /tmp/server.sock
 // $ dd if=/dev/zero bs=1M count=1000 | nc -N -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 $connection) use ($loop) {
 echo '[connected]' . PHP_EOL;
 
 // count the number of bytes received from this connection
 $bytes = 0;
 $connection->on('data', function ($chunk) use (&$bytes) {
 $bytes += strlen($chunk);
 });
 
 // report average throughput once client disconnects
 $t = microtime(true);
 $connection->on('close', function () use ($connection, $t, &$bytes) {
 $t = microtime(true) - $t;
 echo '[disconnected after receiving ' . $bytes . ' bytes in ' . round($t, 3) . 's => ' . round($bytes / $t / 1024 / 1024, 1) . ' MiB/s]' . PHP_EOL;
 });
 });
 
 $server->on('error', 'printf');
 
 echo 'Listening on ' . $server->getAddress() . PHP_EOL;
 
 $loop->run();
 
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