function client_task()
{
$context = new ZMQContext();
$client = new ZMQSocket($context, ZMQ::SOCKET_DEALER);
// Generate printable identity for the client
$identity = sprintf("%04X", rand(0, 0x10000));
$client->setSockOpt(ZMQ::SOCKOPT_IDENTITY, $identity);
$client->connect("tcp://localhost:5570");
$read = $write = array();
$poll = new ZMQPoll();
$poll->add($client, ZMQ::POLL_IN);
$request_nbr = 0;
while (true) {
// Tick once per second, pulling in arriving messages
for ($centitick = 0; $centitick < 100; $centitick++) {
$events = $poll->poll($read, $write, 1000);
$zmsg = new Zmsg($client);
if ($events) {
$zmsg->recv();
printf("%s: %s%s", $identity, $zmsg->body(), PHP_EOL);
}
}
$zmsg = new Zmsg($client);
$zmsg->body_fmt("request #%d", ++$request_nbr)->send();
}
}
function worker_thread($self)
{
$context = new ZMQContext();
$worker = $context->getSocket(ZMQ::SOCKET_REQ);
$endpoint = sprintf("ipc://%s-localbe.ipc", $self);
$worker->connect($endpoint);
// Tell broker we're ready for work
$worker->send("READY");
while (true) {
$zmsg = new Zmsg($worker);
$zmsg->recv();
sleep(1);
$zmsg->body_fmt("OK - %04x", mt_rand(0, 0x10000));
$zmsg->send();
}
}
/**
* Run a self test of the Zmsg class.
*
* @return boolean
* @todo See if assert returns
*/
public static function test()
{
$result = true;
$context = new ZMQContext();
$output = new ZMQSocket($context, ZMQ::SOCKET_XREQ);
$output->bind("inproc://zmsg_selftest");
$input = new ZMQSocket($context, ZMQ::SOCKET_XREP);
$input->connect("inproc://zmsg_selftest");
// Test send and receive of single-part message
$zmsgo = new Zmsg($output);
$zmsgo->body_set("Hello");
$result &= assert($zmsgo->body() == "Hello");
$zmsgo->send();
$zmsgi = new Zmsg($input);
$zmsgi->recv();
$result &= assert($zmsgi->parts() == 2);
$result &= assert($zmsgi->body() == "Hello");
echo $zmsgi;
// Test send and receive of multi-part message
$zmsgo = new Zmsg($output);
$zmsgo->body_set("Hello");
$zmsgo->wrap("address1", "");
$zmsgo->wrap("address2");
$result &= assert($zmsgo->parts() == 4);
echo $zmsgo;
$zmsgo->send();
$zmsgi = new Zmsg($input);
$zmsgi->recv();
$result &= assert($zmsgi->parts() == 5);
$zmsgi->unwrap();
$result &= assert($zmsgi->unwrap() == "address2");
$zmsgi->body_fmt("%s%s", 'W', "orld");
$result &= assert($zmsgi->body() == "World");
// Pull off address 1, check that empty part was dropped
$zmsgi->unwrap();
$result &= assert($zmsgi->parts() == 1);
// Check that message body was correctly modified
$part = $zmsgi->pop();
$result &= assert($part == "World");
$result &= assert($zmsgi->parts() == 0);
// Test load and save
$zmsg = new Zmsg();
$zmsg->body_set("Hello");
$zmsg->wrap("address1", "");
$zmsg->wrap("address2");
$result &= assert($zmsg->parts() == 4);
$fh = fopen(sys_get_temp_dir() . "/zmsgtest.zmsg", 'w');
$zmsg->save($fh);
fclose($fh);
$fh = fopen(sys_get_temp_dir() . "/zmsgtest.zmsg", 'r');
$zmsg2 = new Zmsg();
$zmsg2->load($fh);
assert($zmsg2->last() == $zmsg->last());
fclose($fh);
$result &= assert($zmsg2->parts() == 4);
echo $result ? "OK" : "FAIL", PHP_EOL;
return $result;
}
