/**
* @param ZMQContext $ctx
* @param string $endpoint
* @param string $request
*/
function try_request($ctx, $endpoint, $request)
{
global $request_timeout;
printf("I: Trying echo service at %s...\n", $endpoint);
$client = $ctx->getSocket(ZMQ::SOCKET_REQ);
$client->connect($endpoint);
$client->send($request);
$poll = new ZMQPoll();
$poll->add($client, ZMQ::POLL_IN);
$readable = $writable = array();
$events = $poll->poll($readable, $writable, $request_timeout);
$reply = null;
foreach ($readable as $sock) {
if ($sock == $client) {
$reply = $client->recvMulti();
} else {
$reply = null;
}
}
$poll->remove($client);
$poll = null;
$client = null;
return $reply;
}
