Initial commit moving openolt adapter from voltha-go to the new repo.
This version works with ponsim rather than openolt, this is temporary.
It is currently being fixed to work with openolt.
Change-Id: I34a800c98f050140b367e2d474b7aa8b79f34b9a
Signed-off-by: William Kurkian <wkurkian@cisco.com>
diff --git a/python/adapters/extensions/omci/tasks/omci_create_pm_task.py b/python/adapters/extensions/omci/tasks/omci_create_pm_task.py
new file mode 100644
index 0000000..355e26a
--- /dev/null
+++ b/python/adapters/extensions/omci/tasks/omci_create_pm_task.py
@@ -0,0 +1,150 @@
+#
+# Copyright 2018 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from task import Task
+from twisted.internet import reactor
+from twisted.internet.defer import inlineCallbacks, failure, TimeoutError
+from voltha.extensions.omci.omci_defs import ReasonCodes, EntityOperations
+from voltha.extensions.omci.omci_frame import OmciFrame
+from voltha.extensions.omci.omci_messages import OmciCreate
+
+RC = ReasonCodes
+OP = EntityOperations
+
+
+class CreatePMException(Exception):
+ pass
+
+
+class OmciCreatePMRequest(Task):
+ """
+ OpenOMCI routine to create the requested PM Interval MEs
+
+ TODO: Support of thresholding crossing alarms will be in a future VOLTHA release
+ """
+ task_priority = Task.DEFAULT_PRIORITY
+ name = "ONU OMCI Create PM ME Task"
+
+ def __init__(self, omci_agent, device_id, me_dict, exclusive=False):
+ """
+ Class initialization
+
+ :param omci_agent: (OmciAdapterAgent) OMCI Adapter agent
+ :param me_dict: (dict) (pm cid, pm eid) -> (me cid, me eid, upstream)
+ :param exclusive: (bool) True if this Create request Task exclusively own the
+ OMCI-CC while running. Default: False
+ """
+ super(OmciCreatePMRequest, self).__init__(OmciCreatePMRequest.name,
+ omci_agent,
+ device_id,
+ priority=OmciCreatePMRequest.task_priority,
+ exclusive=exclusive)
+ self._device = omci_agent.get_device(device_id)
+ self._me_dict = me_dict
+ self._local_deferred = None
+
+ def cancel_deferred(self):
+ super(OmciCreatePMRequest, self).cancel_deferred()
+
+ d, self._local_deferred = self._local_deferred, None
+ try:
+ if d is not None and not d.called:
+ d.cancel()
+ except:
+ pass
+
+ def start(self):
+ """ Start task """
+ super(OmciCreatePMRequest, self).start()
+ self._local_deferred = reactor.callLater(0, self.perform_create)
+
+ @inlineCallbacks
+ def perform_create(self):
+ """ Perform the create requests """
+
+ try:
+ for pm, me in self._me_dict.items():
+ pm_class_id = pm[0]
+ pm_entity_id = pm[1]
+ me_class_id = me[0]
+ me_entity_id = me[1]
+ upstream = me[2]
+ self.log.debug('create-pm-me', class_id=pm_class_id, entity_id=pm_entity_id)
+
+ if me_class_id == 0:
+ # Typical/common PM interval format
+ frame = OmciFrame(
+ transaction_id=None, # OMCI-CC will set
+ message_type=OmciCreate.message_id,
+ omci_message=OmciCreate(
+ entity_class=pm_class_id,
+ entity_id=pm_entity_id,
+ data=dict()
+ )
+ )
+ else:
+ # Extended PM interval format. See ITU-T G.988 Section 9.3.32.
+ # Bit 1 - continuous accumulation if set, 15-minute interval if unset
+ # Bit 2 - directionality (0=upstream, 1=downstream)
+ # Bit 3..14 - Reserved
+ # Bit 15 - Use P bits of TCI field to filter
+ # Bit 16 - Use VID bits of TCI field to filter
+ bitmap = 0 if upstream else 1 << 1
+
+ data = {'control_block': [
+ 0, # Threshold data 1/2 ID
+ me_class_id, # Parent ME Class
+ me_entity_id, # Parent ME Instance
+ 0, # Accumulation disable
+ 0, # TCA Disable
+ bitmap, # Control fields bitmap
+ 0, # TCI
+ 0 # Reserved
+ ]}
+ frame = OmciFrame(
+ transaction_id=None, # OMCI-CC will set
+ message_type=OmciCreate.message_id,
+ omci_message=OmciCreate(
+ entity_class=pm_class_id,
+ entity_id=pm_entity_id,
+ data=data
+ )
+ )
+ self.strobe_watchdog()
+ try:
+ results = yield self._device.omci_cc.send(frame)
+ except TimeoutError:
+ self.log.warning('perform-create-timeout', me_class_id=me_class_id, me_entity_id=me_entity_id,
+ pm_class_id=pm_class_id, pm_entity_id=pm_entity_id)
+ raise
+
+ status = results.fields['omci_message'].fields['success_code']
+ self.log.debug('perform-create-status', status=status)
+
+ # Did it fail
+ if status != RC.Success.value and status != RC.InstanceExists.value:
+ msg = 'ME: {}, entity: {} failed with status {}'.format(pm_class_id,
+ pm_entity_id,
+ status)
+ raise CreatePMException(msg)
+
+ self.log.debug('create-pm-success', class_id=pm_class_id,
+ entity_id=pm_entity_id)
+
+ self.deferred.callback(self)
+
+ except Exception as e:
+ self.log.exception('perform-create', e=e)
+ self.deferred.errback(failure.Failure(e))