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#
# 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.
#
"""
Openolt adapter.
"""
import structlog
from zope.interface import implementer
from twisted.internet import reactor
from pyvoltha.adapters.iadapter import IAdapterInterface
from pyvoltha.common.utils.registry import registry
from voltha_protos.common_pb2 import LogLevel
from voltha_protos.common_pb2 import OperationResp
from voltha_protos.device_pb2 import DeviceType, DeviceTypes
from voltha_protos.adapter_pb2 import Adapter
from voltha_protos.adapter_pb2 import AdapterConfig
from openolt_flow_mgr import OpenOltFlowMgr
from openolt_alarms import OpenOltAlarmMgr
from openolt_statistics import OpenOltStatisticsMgr
from openolt_bw import OpenOltBW
from openolt_platform import OpenOltPlatform
from openolt_resource_manager import OpenOltResourceMgr
from openolt_device import OpenoltDevice
log = structlog.get_logger()
OpenOltDefaults = {
'support_classes': {
'platform': OpenOltPlatform,
'resource_mgr': OpenOltResourceMgr,
'flow_mgr': OpenOltFlowMgr,
'alarm_mgr': OpenOltAlarmMgr,
'stats_mgr': OpenOltStatisticsMgr,
'bw_mgr': OpenOltBW
}
}
@implementer(IAdapterInterface)
class OpenoltAdapter(object):
name = 'openolt'
supported_device_types = [
DeviceType(
id=name,
adapter=name,
accepts_bulk_flow_update=True,
accepts_add_remove_flow_updates=True
)
]
# System Init Methods #
def __init__(self, core_proxy, adapter_proxy, config):
self.core_proxy = core_proxy
self.adapter_proxy = adapter_proxy
self.config = config
self.descriptor = Adapter(
id=self.name,
vendor='OLT white box vendor',
version='0.1',
config=AdapterConfig(log_level=LogLevel.INFO)
)
log.debug('openolt.__init__', core_proxy=core_proxy, adapter_proxy=adapter_proxy)
self.devices = dict() # device_id -> OpenoltDevice()
self.interface = registry('main').get_args().interface
self.logical_device_id_to_root_device_id = dict()
self.num_devices = 0
def start(self):
log.info('started', interface=self.interface)
def stop(self):
log.info('stopped', interface=self.interface)
def get_ofp_device_info(self, device):
ofp_device_info = self.devices[device.id].get_ofp_device_info(device)
log.debug('get_ofp_device_info', ofp_device_info=ofp_device_info)
return ofp_device_info
def get_ofp_port_info(self, device, port_no):
ofp_port_info = self.devices[device.id].get_ofp_port_info(device, port_no)
log.debug('get_ofp_port_info', device_id=device.id, ofp_port_no=ofp_port_info)
return ofp_port_info
def adapter_descriptor(self):
log.debug('get descriptor', interface=self.interface)
return self.descriptor
def device_types(self):
log.debug('get device_types', interface=self.interface,
items=self.supported_device_types)
return DeviceTypes(items=self.supported_device_types)
def health(self):
log.debug('get health', interface=self.interface)
raise NotImplementedError()
def change_master_state(self, master):
log.debug('change_master_state', interface=self.interface,
master=master)
raise NotImplementedError()
def adopt_device(self, device):
log.info('adopt-device', device=device)
kwargs = {
'support_classes': OpenOltDefaults['support_classes'],
'core_proxy': self.core_proxy,
'adapter_proxy': self.adapter_proxy,
'device': device,
'device_num': self.num_devices + 1
}
try:
self.devices[device.id] = OpenoltDevice(**kwargs)
except Exception as e:
log.error('Failed to adopt OpenOLT device', error=e)
# TODO set status to ERROR so that is clear something went wrong
del self.devices[device.id]
raise
else:
self.num_devices += 1
def reconcile_device(self, device):
log.info('reconcile-device', device=device)
kwargs = {
'support_classes': OpenOltDefaults['support_classes'],
'core_proxy': self.core_proxy,
'adapter_proxy': self.adapter_proxy,
'device': device,
'device_num': self.num_devices + 1,
'reconciliation': True
}
try:
reconciled_device = OpenoltDevice(**kwargs)
log.debug('reconciled-device-recreated',
device_id=reconciled_device.device_id)
self.devices[device.id] = reconciled_device
except Exception as e:
log.error('Failed to reconcile OpenOLT device', error=e,
exception_type=type(e).__name__)
del self.devices[device.id]
raise
else:
self.num_devices += 1
# Invoke the children reconciliation which would setup the
# basic children data structures
self.adapter_agent.reconcile_child_devices(device.id)
return device
def abandon_device(self, device):
log.info('abandon-device', device=device)
raise NotImplementedError()
def disable_device(self, device):
log.info('disable-device', device=device)
handler = self.devices[device.id]
handler.disable()
def reenable_device(self, device):
log.info('reenable-device', device=device)
handler = self.devices[device.id]
handler.reenable()
def reboot_device(self, device):
log.info('reboot_device', device=device)
handler = self.devices[device.id]
handler.reboot()
def download_image(self, device, request):
log.info('image_download - Not implemented yet', device=device,
request=request)
raise NotImplementedError()
def get_image_download_status(self, device, request):
log.info('get_image_download - Not implemented yet', device=device,
request=request)
raise NotImplementedError()
def cancel_image_download(self, device, request):
log.info('cancel_image_download - Not implemented yet', device=device)
raise NotImplementedError()
def activate_image_update(self, device, request):
log.info('activate_image_update - Not implemented yet',
device=device, request=request)
raise NotImplementedError()
def revert_image_update(self, device, request):
log.info('revert_image_update - Not implemented yet',
device=device, request=request)
raise NotImplementedError()
def self_test_device(self, device):
log.info('Not implemented yet')
raise NotImplementedError()
def delete_device(self, device):
log.info('delete-device', device=device)
handler = self.devices[device.id]
handler.delete()
del self.devices[device.id]
if device.parent_id in self.logical_device_id_to_root_device_id.keys():
del self.logical_device_id_to_root_device_id[device.parent_id]
return device
def get_device_details(self, device):
log.debug('get_device_details', device=device)
raise NotImplementedError()
def update_flows_bulk(self, device, flows, groups):
log.info('bulk-flow-update', device_id=device.id,
number_of_flows=len(flows.items),
number_of_groups=len(groups.items))
log.debug('flows and grousp details', flows=flows, groups=groups)
assert len(groups.items) == 0, "Cannot yet deal with groups"
handler = self.devices[device.id]
return handler.update_flow_table(flows.items)
def update_flows_incrementally(self, device, flow_changes, group_changes):
log.debug('update_flows_incrementally', device=device,
flow_changes=flow_changes, group_changes=group_changes)
log.info('This device does not allow this, therefore it is Not '
'implemented')
raise NotImplementedError()
def update_logical_flows(self, device_id, flows_to_add, flows_to_remove,
groups, device_rules_map):
log.info('logical-flows-update', flows_to_add=len(flows_to_add),
flows_to_remove=len(flows_to_remove))
log.debug('logical-flows-details', flows_to_add=flows_to_add,
flows_to_remove=flows_to_remove)
assert len(groups) == 0, "Cannot yet deal with groups"
handler = self.devices[device_id]
handler.update_logical_flows(flows_to_add, flows_to_remove,
device_rules_map)
def update_pm_config(self, device, pm_configs):
log.info('update_pm_config - Not implemented yet', device=device,
pm_configs=pm_configs)
raise NotImplementedError()
def send_proxied_message(self, proxy_address, msg):
log.debug('send-proxied-message',
proxy_address=proxy_address,
proxied_msg=msg)
handler = self.devices[proxy_address.device_id]
handler.send_proxied_message(proxy_address, msg)
def receive_proxied_message(self, proxy_address, msg):
log.debug('receive_proxied_message - Not implemented',
proxy_address=proxy_address,
proxied_msg=msg)
raise NotImplementedError()
def receive_packet_out(self, logical_device_id, egress_port_no, msg):
log.debug('packet-out', logical_device_id=logical_device_id,
egress_port_no=egress_port_no, msg_len=len(msg))
def ldi_to_di(ldi):
di = self.logical_device_id_to_root_device_id.get(ldi)
if di is None:
logical_device = self.adapter_agent.get_logical_device(ldi)
di = logical_device.root_device_id
self.logical_device_id_to_root_device_id[ldi] = di
return di
try:
device_id = ldi_to_di(logical_device_id)
handler = self.devices[device_id]
handler.packet_out(egress_port_no, msg)
except Exception as e:
log.error('packet-out:exception', e=e.message)
def process_inter_adapter_message(self, msg):
log.debug('process-inter-adapter-message', msg=msg)
# Unpack the header to know which device needs to handle this message
handler = None
if msg.header.proxy_device_id:
# typical request
handler = self.devices[msg.header.proxy_device_id]
elif msg.header.to_device_id and \
msg.header.to_device_id in self.devices_handlers:
# typical response
handler = self.devices[msg.header.to_device_id]
if handler:
reactor.callLater(0, handler.process_inter_adapter_message, msg)
def receive_inter_adapter_message(self, msg):
log.info('rx_inter_adapter_msg - Not implemented')
raise NotImplementedError()
def suppress_alarm(self, filter):
log.info('suppress_alarm - Not implemented yet', filter=filter)
raise NotImplementedError()
def unsuppress_alarm(self, filter):
log.info('unsuppress_alarm - Not implemented yet', filter=filter)
raise NotImplementedError()
# PON Mgnt APIs #
def create_interface(self, device, data):
log.debug('create-interface - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def update_interface(self, device, data):
log.debug('update-interface - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def remove_interface(self, device, data):
log.debug('remove-interface - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def receive_onu_detect_state(self, proxy_address, state):
log.debug('receive-onu-detect-state - Not implemented - We do not '
'use this', proxy_address=proxy_address,
state=state)
raise NotImplementedError()
def create_tcont(self, device, tcont_data, traffic_descriptor_data):
log.info('create-tcont - Not implemented - We do not use this',
tcont_data=tcont_data,
traffic_descriptor_data=traffic_descriptor_data)
raise NotImplementedError()
def update_tcont(self, device, tcont_data, traffic_descriptor_data):
log.info('update-tcont - Not implemented - We do not use this',
tcont_data=tcont_data,
traffic_descriptor_data=traffic_descriptor_data)
raise NotImplementedError()
def remove_tcont(self, device, tcont_data, traffic_descriptor_data):
log.info('remove-tcont - Not implemented - We do not use this',
tcont_data=tcont_data,
traffic_descriptor_data=traffic_descriptor_data)
raise NotImplementedError()
def create_gemport(self, device, data):
log.info('create-gemport - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def update_gemport(self, device, data):
log.info('update-gemport - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def remove_gemport(self, device, data):
log.info('remove-gemport - Not implemented - We do not use this',
data=data)
raise NotImplementedError()
def create_multicast_gemport(self, device, data):
log.info('create-mcast-gemport - Not implemented - We do not use '
'this', data=data)
raise NotImplementedError()
def update_multicast_gemport(self, device, data):
log.info('update-mcast-gemport - Not implemented - We do not use '
'this', data=data)
raise NotImplementedError()
def remove_multicast_gemport(self, device, data):
log.info('remove-mcast-gemport - Not implemented - We do not use '
'this', data=data)
raise NotImplementedError()
def create_multicast_distribution_set(self, device, data):
log.info('create-mcast-distribution-set - Not implemented - We do '
'not use this', data=data)
raise NotImplementedError()
def update_multicast_distribution_set(self, device, data):
log.info('update-mcast-distribution-set - Not implemented - We do '
'not use this', data=data)
raise NotImplementedError()
def remove_multicast_distribution_set(self, device, data):
log.info('remove-mcast-distribution-set - Not implemented - We do '
'not use this', data=data)
raise NotImplementedError()
def delete_child_device(self, parent_device_id, child_device):
log.info('delete-child_device', parent_device_id=parent_device_id,
child_device=child_device)
handler = self.devices[parent_device_id]
if handler is not None:
handler.delete_child_device(child_device)
else:
log.error('Could not find matching handler',
looking_for_device_id=parent_device_id,
available_handlers=self.devices.keys())
# This is currently not part of the Iadapter interface
def collect_stats(self, device_id):
log.info('collect_stats', device_id=device_id)
handler = self.devices[device_id]
if handler is not None:
handler.trigger_statistics_collection()
else:
log.error('Could not find matching handler',
looking_for_device_id=device_id,
available_handlers=self.devices.keys())
def simulate_alarm(self, device, request):
log.info('simulate_alarm', device=device, request=request)
if device.id not in self.devices:
log.error("Device does not exist", device_id=device.id)
return OperationResp(code=OperationResp.OPERATION_FAILURE,
additional_info="Device %s does not exist"
% device.id)
handler = self.devices[device.id]
handler.simulate_alarm(request)
return OperationResp(code=OperationResp.OPERATION_SUCCESS)