def on_pub(sub, pub, payload):
print("Pub %s(%d) matches:" % (dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub)))
print(" pub " + " | ".join(dps.publication_get_topics(pub)))
print(" sub " + " | ".join(dps.subscription_get_topics(sub)))
print(payload.tobytes())
if dps.publication_is_ack_requested(pub):
ack_msg = "This is an ACK from %s" % (dps.get_listen_address(dps.publication_get_node(pub)))
print("Sending ack for pub UUID %s(%d)" % (dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub)))
print(" %s" % (ack_msg))
dps.ack_publication(pub, ack_msg);
def on_pub(sub, pub, payload):
print "Pub %s(%d) matches:" % (dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub))
print " pub " + " | ".join(dps.publication_get_topics(pub))
print " sub " + " | ".join(dps.subscription_get_topics(sub))
print payload
if dps.publication_is_ack_requested(pub):
ack_msg = "This is an ACK from %d" % (dps.get_port_number(dps.publication_get_node(pub)))
print "Sending ack for pub UUID %s(%d)" % (dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub))
print " %s" % (ack_msg)
dps.ack_publication(pub, ack_msg);
def on_pub(sub, pub, payload):
print "Received on port %d" % dps.get_port_number(
dps.subscription_get_node(sub))
print "Pub %s(%d) matches:" % (dps.publication_get_uuid(pub),
dps.publication_get_sequence_num(pub))
print " pub " + " | ".join(dps.publication_get_topics(pub))
print " sub " + " | ".join(dps.subscription_get_topics(sub))
print payload
def on_pub(sub, pub, payload):
print("Received on %s" %
dps.get_listen_address(dps.subscription_get_node(sub)))
print(
"Pub %s(%d) matches:" %
(dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub)))
print(" pub " + " | ".join(dps.publication_get_topics(pub)))
print(" sub " + " | ".join(dps.subscription_get_topics(sub)))
print(payload.tobytes())
def on_ack(pub, payload):
print "Ack for pub UUID %s(%d)" % (dps.publication_get_uuid(pub),
dps.publication_get_sequence_num(pub))
print " %s" % (payload)
def on_ack(pub, payload):
print "Ack for pub UUID %s(%d)" % (dps.publication_get_uuid(pub),
dps.publication_get_sequence_num(pub))
print " %s" % (payload)
def on_destroy(node):
print "Destroyed"
dps.destroy_key_store(key_store)
node = dps.create_node("/", key_store, node_id)
dps.start_node(node, dps.MCAST_PUB_ENABLE_SEND, 0)
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(0.2)
dps.publish(pub, "world")
print "Pub UUID %s(%d)" % (dps.publication_get_uuid(pub),
dps.publication_get_sequence_num(pub))
time.sleep(0.2)
dps.destroy_publication(pub)
dps.destroy_node(node, on_destroy)
def on_ack(pub, payload):
print(
"Ack for pub UUID %s(%d) [%s]" %
(dps.publication_get_uuid(pub), dps.publication_get_sequence_num(pub),
dps.ack_get_sender_key_id(pub)))
print(" %s" % (payload.tobytes()))
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)
dps.destroy_address(listen_addr)
