public function testNumberOfWritesToStream()
{
$stream = $this->getMock('React\\Stream\\WritableStreamInterface');
$called = 0;
$stream->expects($this->any())->method('write')->will($this->returnCallback(function () use(&$called) {
++$called;
}));
$channel = new BufferedChannel();
// initially nothing written
$channel->connect($stream);
$this->assertEquals(0, $called);
// writing does send
$channel->writeMessage('first');
$this->assertEquals(1, $called);
// writing does send again
$channel->writeMessage('second');
$this->assertEquals(2, $called);
// writing after disconnect does not send
$channel->disconnect($stream);
$channel->writeMessage('third');
$this->assertEquals(2, $called);
// connecting does not send
$channel->connect($stream);
$this->assertEquals(2, $called);
// connecting with offset will send remaining message
$channel->disconnect($stream);
$channel->connect($stream, 2);
$this->assertEquals(3, $called);
}
protected function handleSse(Request $request, Response $response)
{
$headers = $request->getHeaders();
$id = isset($headers['Last-Event-ID']) ? $headers['Last-Event-ID'] : null;
$response->writeHead(200, array('Content-Type' => 'text/event-stream'));
$this->channel->connect($response, $id);
$response->on('close', function () use($response) {
$this->channel->disconnect($response);
});
}
$channel = new BufferedChannel();
$http = new React\Http\Server($socket);
$http->on('request', function (Request $request, Response $response) use($channel) {
if ($request->getPath() === '/') {
$response->writeHead('200', array('Content-Type' => 'text/html'));
$response->end(file_get_contents(__DIR__ . '/../01-simple-periodic/eventsource.html'));
return;
}
echo 'connected' . PHP_EOL;
$headers = $request->getHeaders();
$id = isset($headers['Last-Event-ID']) ? $headers['Last-Event-ID'] : null;
$response->writeHead(200, array('Content-Type' => 'text/event-stream'));
$channel->connect($response, $id);
$response->on('close', function () use($response, $channel) {
echo 'disconnected' . PHP_EOL;
$channel->disconnect($response);
});
});
$port = isset($argv[2]) ? $argv[2] : 8000;
$connector = new TcpConnector($loop);
$connector->create('127.0.0.1', $port)->then(function (Stream $stream) use($channel) {
$buffer = '';
$stream->on('data', function ($data) use(&$buffer, $channel) {
$buffer .= $data;
while (($pos = strpos($buffer, "\n")) !== false) {
$channel->writeMessage(substr($buffer, 0, $pos));
$buffer = substr($buffer, $pos + 1);
}
});
}, 'printf');
$socket->listen(isset($argv[1]) ? $argv[1] : 0, '0.0.0.0');
