def on_link(node, addr, status):
if status == dps.OK:
print("Publisher is linked to %s" % (addr))
else:
print("link %s returned %s" % (addr, dps.err_txt(status)))
event.set()
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:
event.wait()
else:
print("link %s returned %s" % (addr_text, dps.err_txt(ret)))
pub = dps.create_publication(node)
dps.init_publication(pub, ['a/b/c'], False, None, on_ack)
dps.publication_add_sub_id(pub, pub_key_id)
dps.publish(pub, "hello")
print("Pub UUID %s(%d)" %
(dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub)))
time.sleep(0.1)
dps.publish(pub, "world")
print("Pub UUID %s(%d)" %
(dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub)))
time.sleep(0.1)
dps.destroy_publication(pub)
dps.destroy_node(node, on_destroy)