_pingcount++;
System.err.println("Receiver: Ping " + p.getInt("id") + " received. Sending pong");
Message po = new Message(pong);
po.set("id", p.getInt("id"));
po.set(DMT.EXTERNAL_ADDRESS, source);
destUSM.send(source, po);
}
}
assertEquals(15, _pingcount);
synchronized(lock) {
lock.wait(2000);