def _create_tcont(self, uni_id, us_scheduler, tech_profile_id):
"""
Decode Upstream Scheduler and create appropriate TCONT structures
:param uni_id: (int) UNI ID on the PON
:param us_scheduler: (Scheduler) Upstream Scheduler with TCONT information
:param tech_profile_id: (int) Tech Profile ID
:return (OnuTCont) Created TCONT
"""
self.log.debug('create-tcont', us_scheduler=us_scheduler, profile_id=tech_profile_id)
q_sched_policy = {
'strictpriority': 1, # Per TCONT (ME #262) values
'wrr': 2
}.get(us_scheduler.get('q_sched_policy', 'none').lower(), 0)
tcont_data = {
'tech-profile-id': tech_profile_id,
'uni-id': uni_id,
'alloc-id': us_scheduler['alloc_id'],
'q-sched-policy': q_sched_policy
}
# TODO: Support TD if shaping on ONU is to be performed
td = OnuTrafficDescriptor(0, 0, 0)
tcont = OnuTCont.create(self, tcont_data, td)
self._pon.add_tcont(tcont)
return tcont
def on_td_modify(self, traffic_disc, update, diffs):
from onu_traffic_descriptor import OnuTrafficDescriptor
valid_keys = ['fixed-bandwidth',
'assured-bandwidth',
'maximum-bandwidth',
'priority',
'weight',
'additional-bw-eligibility-indicator']
invalid_key = next((key for key in diffs.keys() if key not in valid_keys), None)
if invalid_key is not None:
raise KeyError("traffic-descriptor leaf '{}' is read-only or write-once".format(invalid_key))
# New traffic descriptor
update['object'] = OnuTrafficDescriptor.create(update)
td_name = traffic_disc['name']
tconts = {key: val for key, val in self.tconts.iteritems()
if val['td-ref'] == td_name and td_name is not None}
for tcont in tconts.itervalues():
if self._pon is not None:
self._pon.update_tcont_td(tcont['alloc-id'], update['object'])
return update
def on_td_modify(self, traffic_disc, update, diffs):
from onu_traffic_descriptor import OnuTrafficDescriptor
valid_keys = ['fixed-bandwidth',
'assured-bandwidth',
'maximum-bandwidth',
'priority',
'weight',
'additional-bw-eligibility-indicator']
invalid_key = next((key for key in diffs.keys() if key not in valid_keys), None)
if invalid_key is not None:
raise KeyError("traffic-descriptor leaf '{}' is read-only or write-once".format(invalid_key))
# New traffic descriptor
update['object'] = OnuTrafficDescriptor.create(update)
td_name = traffic_disc['name']
tconts = {key: val for key, val in self.tconts.iteritems()
if val['td-ref'] == td_name and td_name is not None}
for tcont in tconts.itervalues():
pon_port = self.pon_ports[0] # Look up any PON port # TODO: Add the vont-ani 'name' to the PON Port and look up that way
if pon_port is not None:
pon_port.update_tcont_td(tcont['alloc-id'], update['object'])
return update
def on_td_create(self, traffic_disc):
from onu_traffic_descriptor import OnuTrafficDescriptor
traffic_disc['object'] = OnuTrafficDescriptor.create(traffic_disc)
return traffic_disc
def on_td_create(self, traffic_disc):
from onu_traffic_descriptor import OnuTrafficDescriptor
traffic_disc['object'] = OnuTrafficDescriptor.create(traffic_disc)
return traffic_disc
