def handle_map_register(received_message, control_plane_sockets, data_plane_sockets):
map_register = received_message.message
assert isinstance(map_register, MapRegisterMessage)
processed_records = []
saved_key = ""
for record in map_register.records:
assert isinstance(record, MapRegisterRecord)
# Look up the address in the tree
instance_id, afi, prefix = determine_instance_id_and_afi(record.eid_prefix)
tree_node = resolve(instance_id, afi, prefix)
if isinstance(tree_node, MapServerNode):
try:
tree_node.handle_map_register_record(
received_message, record, control_plane_sockets, data_plane_sockets
)
# Record processed: store the record, and keep the authentication key in case we want to send back a notify
processed_records.append(record)
saved_key = tree_node.key
except MapServerException, e:
logger.error("MapServerNode could not process record {0}: {1}".format(record, e.message))
else:
logger.warn(
u"Received a Map-Register message for {0}"
", but we are not a MapServer for that EID space".format(prefix)
)
def handle_map_notify(received_message, control_plane_sockets, data_plane_sockets):
map_notify = received_message.message
assert isinstance(map_notify, MapNotifyMessage)
for record in map_notify.records:
assert isinstance(record, MapRegisterRecord)
# Look up the address in the tree
instance_id, afi, prefix = determine_instance_id_and_afi(record.eid_prefix)
tree_node = resolve(instance_id, afi, prefix)
if isinstance(tree_node, ETRNode):
tree_node.handle_map_notify_record(received_message, record, control_plane_sockets, data_plane_sockets)
else:
logger.warn(
u"Received a Map-Notify message for {0}"
", but we are not a MapServerClient for that EID space".format(prefix)
)
def handle_info_message(received_message, control_plane_sockets, data_plane_sockets):
info_message = received_message.message
assert isinstance(info_message, InfoMessage)
logger.debug("HANDLING {0!r}".format(received_message))
if not received_message.message.is_reply:
logger.error(u"We are not an RTR, we can only handle InfoMessage replies")
return
eid_prefix = info_message.eid_prefix
instance_id, afi, eid_prefix = determine_instance_id_and_afi(eid_prefix)
node = resolve(instance_id, afi, eid_prefix)
if not isinstance(node, ETRNode):
# Not for us: drop
logger.warn(
u"Ignoring message {0}: Info-Message for prefix {1} in instance {2} "
"for which we are not an ETR".format(received_message.message_nr, eid_prefix, instance_id)
)
return
node.handle_info_message_reply(received_message, control_plane_sockets, data_plane_sockets)