/*
* Multithreaded Hello World server in Java
*
* @author Vadim Shalts
* @email vshalts@gmail.com
*
*/
import org.zeromq.ZMQ;
import org.zeromq.ZMQQueue;
class mtserver {
static void main(String[] args) {
final ZMQ.Context context = ZMQ.context(1);
ZMQ.Socket clients = context.socket(ZMQ.ROUTER);
clients.bind ("tcp://*:5555");
ZMQ.Socket workers = context.socket(ZMQ.DEALER);
workers.bind ("inproc://workers");
for(int thread_nbr = 0; thread_nbr < 5; thread_nbr++) {
Thread worker_routine = new Thread() {
@Override
public void run() {
ZMQ.Socket socket = context.socket(ZMQ.REP);
socket.connect ("inproc://workers");
while (true) {
// Wait for next request from client (C string)
byte[] request = socket.recv (0);
System.out.println ("Received request: ["+new String(request,0,request.length-1)+"]");
// Do some 'work'
try {
Thread.sleep (1000);
} catch(InterruptedException e) {
e.printStackTrace();
}
// Send reply back to client (C string)
byte[] reply = "World ".getBytes();
reply[reply.length-1] = 0; //Sets the last byte of the reply to 0
socket.send(reply, 0);
}
}
};
worker_routine.start();
}
// Connect work threads to client threads via a queue
ZMQQueue zMQQueue = new ZMQQueue(context,clients, workers);
zMQQueue.run();
// We never get here but clean up anyhow
clients.close();
workers.close();
context.term();
}
}