VOL-1395: Common shared libraries needed for Python based device adapters.
This is an initial check-in of code from the master branch. Additional work
is expected on a few items to work with the new go-core and will be covered
by separate JIRAs and commits.
Change-Id: I0856ec6b79b8d3e49082c609eb9c7eedd75b1708
diff --git a/python/adapters/extensions/omci/tasks/sync_time_task.py b/python/adapters/extensions/omci/tasks/sync_time_task.py
new file mode 100644
index 0000000..b5b1dc9
--- /dev/null
+++ b/python/adapters/extensions/omci/tasks/sync_time_task.py
@@ -0,0 +1,107 @@
+#
+# 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, TimeoutError, failure
+from voltha.extensions.omci.omci_me import OntGFrame
+from voltha.extensions.omci.omci_defs import ReasonCodes as RC
+from datetime import datetime
+
+
+class SyncTimeTask(Task):
+ """
+ OpenOMCI - Synchronize the ONU time with server
+ """
+ task_priority = Task.DEFAULT_PRIORITY + 10
+ name = "Sync Time Task"
+
+ def __init__(self, omci_agent, device_id, use_utc=True):
+ """
+ Class initialization
+
+ :param omci_agent: (OmciAdapterAgent) OMCI Adapter agent
+ :param device_id: (str) ONU Device ID
+ :param use_utc: (bool) Use UTC time if True, otherwise local time
+ """
+ super(SyncTimeTask, self).__init__(SyncTimeTask.name,
+ omci_agent,
+ device_id,
+ priority=SyncTimeTask.task_priority,
+ exclusive=False)
+ self._local_deferred = None
+ self._use_utc = use_utc
+
+ def cancel_deferred(self):
+ super(SyncTimeTask, 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 the tasks
+ """
+ super(SyncTimeTask, self).start()
+ self._local_deferred = reactor.callLater(0, self.perform_sync_time)
+
+ def stop(self):
+ """
+ Shutdown the tasks
+ """
+ self.log.debug('stopping')
+
+ self.cancel_deferred()
+ super(SyncTimeTask, self).stop()
+
+ @inlineCallbacks
+ def perform_sync_time(self):
+ """
+ Sync the time
+ """
+ self.log.debug('perform-sync-time')
+
+ try:
+ device = self.omci_agent.get_device(self.device_id)
+
+ #########################################
+ # ONT-G (ME #256)
+ dt = datetime.utcnow() if self._use_utc else datetime.now()
+
+ results = yield device.omci_cc.send(OntGFrame().synchronize_time(dt))
+
+ omci_msg = results.fields['omci_message'].fields
+ status = omci_msg['success_code']
+ self.log.debug('sync-time', status=status)
+
+ if status == RC.Success:
+ self.log.info('sync-time', success_info=omci_msg['success_info'] & 0x0f)
+
+ assert status == RC.Success, 'Unexpected Response Status: {}'.format(status)
+
+ # Successful if here
+ self.deferred.callback(results)
+
+ except TimeoutError as e:
+ self.log.warn('sync-time-timeout', e=e)
+ self.deferred.errback(failure.Failure(e))
+
+ except Exception as e:
+ self.log.exception('sync-time', e=e)
+ self.deferred.errback(failure.Failure(e))