def subscriber(port, topic, connect_port): nodes[port] = dps.create_node("/", key_store, None) dps.start_node(nodes[port], 0, port) subs[port] = dps.create_subscription(nodes[port], [topic]) dps.subscribe(subs[port], on_pub) if (connect_port != 0): addr = dps.create_address() ret = dps.link_to(nodes[port], None, connect_port, addr) if (ret == dps.OK): print "Linked %d to %d" % (port, connect_port) dps.destroy_address(addr)
def subscriber(topic, connect_port): node = dps.create_node("/", key_store, None) dps.start_node(node, 0, 0) print "Subscriber is listening on port %d" % dps.get_port_number(node) sub = dps.create_subscription(node, [topic]) dps.subscribe(sub, on_pub) if (connect_port != 0): addr = dps.create_address() ret = dps.link_to(node, None, connect_port, addr) if (ret == dps.OK): print "Linked %d to %d" % (dps.get_port_number(node), connect_port) dps.destroy_address(addr) return node
print("link %s returned %s" % (addr, dps.err_txt(status))) event.set() def on_destroy(node): print("Destroyed") dps.destroy_key_store(key_store) if args.port != None: mcast = dps.MCAST_PUB_DISABLED node = dps.create_node("/", key_store, node_id) listen_addr = None if args.listen != None: listen_addr = dps.create_address() try: dps.set_address(listen_addr, "[::]:%d" % (int(args.listen))) except ValueError: dps.set_address(listen_addr, args.listen) dps.start_node(node, mcast, listen_addr) print("Publisher is listening on %s" % (dps.get_listen_address(node))) if args.port != None: try: addr_text = "[::1]:%d" % (int(args.port)) except ValueError: addr_text = args.port event.clear() ret = dps.link(node, addr_text, on_link) if ret == dps.OK: