def _query(self,
header,
connection_ids,
global_reservation_ids,
request_info=None):
# generic query mechanism for summary and recursive
# TODO: Match stps/ports that can be used with credentials and return connections using these STPs
if connection_ids:
conns = yield GenericBackendConnections.find(where=[
'source_network = ? AND dest_network = ? AND requester_nsa = ? AND connection_id IN ?',
self.network, self.network, header.requester_nsa,
tuple(connection_ids)
])
elif global_reservation_ids:
conns = yield GenericBackendConnections.find(where=[
'source_network = ? AND dest_network = ? AND requester_nsa = ? AND global_reservation_ids IN ?',
self.network, self.network, header.requester_nsa,
tuple(global_reservation_ids)
])
else:
raise error.MissingParameterError(
'Must specify connectionId or globalReservationId')
reservations = []
for c in conns:
source_stp = nsa.STP(c.source_network, c.source_port,
c.source_label)
dest_stp = nsa.STP(c.dest_network, c.dest_port, c.dest_label)
schedule = nsa.Schedule(c.start_time, c.end_time)
sd = nsa.Point2PointService(source_stp, dest_stp, c.bandwidth,
cnt.BIDIRECTIONAL, False, None)
criteria = nsa.QueryCriteria(c.revision, schedule, sd)
data_plane_status = (c.data_plane_active, c.revision, True)
states = (c.reservation_state, c.provision_state,
c.lifecycle_state, data_plane_status)
notification_id = self.getNotificationId()
result_id = notification_id # whatever
provider_nsa = cnt.URN_OGF_PREFIX + self.network.replace(
'topology', 'nsa') # hack on
reservations.append(
nsa.ConnectionInfo(c.connection_id, c.global_reservation_id,
c.description, cnt.EVTS_AGOLE, [criteria],
provider_nsa, c.requester_nsa, states,
notification_id, result_id))
defer.returnValue(reservations)
def buildCriteria(r_criteria, include_children=False):
schedule = buildSchedule(r_criteria.schedule)
service_def = buildServiceDefinition(r_criteria.serviceDefinition)
children = []
if include_children:
for r_child in sorted(r_criteria.children, key=lambda c : c.order):
# print 'child', r_child.connectionId, r_child.providerNSA, len(r_child.criteria), [ c.children for c in r_child.criteria ]
crit = r_child.criteria[0] # we only use this for service type, so should be ok
c_crits = [ buildCriteria(rc, include_children) for rc in r_child.criteria ]
states = buildConnectionStates(r_child.connectionStates)
ci = nsa.ConnectionInfo(r_child.connectionId, None, None, crit.serviceType, c_crits, r_child.providerNSA, None, states, None, None)
children.append( ci )
crit = nsa.QueryCriteria(int(r_criteria.version), schedule, service_def, children)
return crit