// We will do this all in one thread to emphasize the getSequence
// of events
public static void main(String[] args) {
Context context = ZMQ.context(1);
Socket client = context.socket(ZMQ.ROUTER);
client.bind("ipc://routing.ipc");
Socket worker = context.socket(ZMQ.REP);
worker.setIdentity("A".getBytes(ZMQ.CHARSET));
worker.connect("ipc://routing.ipc");
// Wait for the worker to connect so that when we send a message
// with routing envelope, it will actually match the worker
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
// Send papa address, address stack, empty part, and request
client.send("A", ZMQ.SNDMORE);
client.send("address 3", ZMQ.SNDMORE);
client.send("address 2", ZMQ.SNDMORE);
client.send("address 1", ZMQ.SNDMORE);
client.send("", ZMQ.SNDMORE);
client.send("This is the workload", 0);
// Worker should get just the workload
ZHelper.dump(worker);
// We don't play with envelopes in the worker
worker.send("This is the reply", 0);
// Now dump what we got off the ROUTER socket
ZHelper.dump(client);
client.close();
worker.close();
context.term();
}
@Override
public void run(Object... args) {
ZContext context = new ZContext();
// Prepare our context and sockets
Socket client = context.createSocket(ZMQ.REQ);
ZHelper.setId(client); // Set a printable identity
client.connect("ipc://frontend.ipc");
// Send request, get reply
client.send("HELLO");
String reply = client.recvStr();
System.out.println("Client: " + reply);
context.destroy();
}
@Override
public void run(Object... args) {
ZContext context = new ZContext();
// Prepare our context and sockets
Socket worker = context.createSocket(ZMQ.REQ);
ZHelper.setId(worker); // Set a printable identity
worker.connect("ipc://backend.ipc");
// Tell backend we're ready for work
ZFrame frame = new ZFrame(WORKER_READY);
frame.send(worker, 0);
while (true) {
ZMsg msg = ZMsg.recvMsg(worker);
if (msg == null) break;
msg.getLast().reset("OK");
msg.send(worker);
}
context.destroy();
}
