/**
* {@inheritdoc}
*/
public function listen()
{
$this->xmpp->connectAndStartSession($this->timeout);
// Add the message handler
$this->xmpp->addXPathHandler('{jabber:client}message/{http://jabber.org/protocol/pubsub#event}event/{http://superfeedr.com/xmpp-pubsub-ext}status', 'handleMessage', $this);
// Process messages repeatedly
while (!$this->xmpp->isDisconnected()) {
$results = $this->xmpp->processUntil('message', $this->timeout);
if (count($results) === 0) {
$this->logger->warn(sprintf('Superfeedr listener timed out (no messages for %d seconds).', $this->timeout));
throw new Exception\TimeoutException(sprintf('No messages for %d seconds. The connection may have been lost.', $this->timeout));
}
}
}
/**
* Handle a response to a subscription request from our connection, and set
* our success state appropriately.
* @param \XMPPHP_XMLObj $response The server's response to a subscription
* request.
*/
public function handleResponse(\XMPPHP_XMLObj $response)
{
if ($response->attrs['type'] == 'result') {
$this->successful = true;
} else {
$this->successful = false;
}
$this->xmpp->event('handle_subscription');
}
/**
* Make sure we time out after the appropriate number of iterations with an
* incomplete buffer that appears disconnected.
*/
public function testTimeoutOnStuckBuffer()
{
// An incomplete buffer
$xml = <<<XML
<iq from='firehoser.superfeedr.com' to='hearsayer@superfeedr.com/superfeedr' type='result' id='10'>
<pubsub xmlns='http://jabber.org/protocol/pubsub'>
<subscription node='http://feeds.feedburner.com/crunchgear' jid='*****@*****.**' subscription='subscribed'>
<status xmlns='http://superfeedr.com/xmpp-pubsub-ext'>
<http code='304'>Content not modified</http>
<next_fetch>2011-06-13T06:42:37+00:00</next_fetch>
<title>CrunchGear</title>
XML;
$xmpp = new SuperfeedrXmpp('superfeedr.com', 5222, 'user', 'pass');
$method = new \ReflectionMethod('Hearsay\\SuperfeedrBundle\\Xmpp\\SuperfeedrXmpp', 'bufferComplete');
$method->setAccessible(true);
$xmpp->setMaxIncompleteIterations(2);
// Run the buffer through a few times without the timeout check
$this->assertFalse($method->invoke($xmpp, $xml), 'Expected buffer to be incomplete');
// No incomplete iterations
$this->assertFalse($method->invoke($xmpp, $xml), 'Expected buffer to be incomplete');
// First incomplete iteration
$this->assertFalse($method->invoke($xmpp, $xml), 'Expected buffer to be incomplete');
// Second incomplete iteration
$this->assertFalse($method->invoke($xmpp, $xml), 'Expected buffer to be incomplete');
// Third incomplete iteration, so running count > max allowed; next should trip the timeout check
$this->setExpectedException('Hearsay\\SuperfeedrBundle\\Exception\\TimeoutException');
$method->invoke($xmpp, $xml);
}
