def handle_cmd(self, frame):
"""
Method: handle_cmd
Description: 同步消息处理函数
Parameter:
frame: 请求消息
Return: 无
Others:
"""
buf = frame.get_data()
tracelog.info('received data from client at %s' % datetime.datetime.now().isoformat())
ne_id = NEInfoMgr.get_ne_id_by_pid(frame.get_sender_pid())
if ne_id is None:
tracelog.error("received unknow data sync notification from NE, "
"pid:%d" % frame.get_sender_pid())
return
debug.info('ne id: %d' % (ne_id))
# 如果网元正处于全同步中，那么直接忽视本次事件通知
if not NEInfoMgr.is_ne_state_normal(ne_id):
tracelog.info('database is full-synchonizing')
return
sync_object = DBSyncObject.deserialize(buf)
result = DBSyncResult()
result.id = sync_object.id
debug.info('sync object id: %d' % sync_object.id)
for event in sync_object.sync_events:
if event.type == DBSyncType.FULL:
self.__handle_full_sync_ntf(frame, ne_id, sync_object, event)
self.get_worker().get_app().set_sync_sn(ne_id, event.priority, event.id)
return
events = []
for event in sync_object.sync_events:
sync_sn = self.get_worker().get_app().get_sync_sn(ne_id, event.priority)
debug.info('ne_id: %d, priority: %d, event_id: %d sync_sn: %d' % (ne_id, event.priority, event.id, sync_sn))
if event.id <= sync_sn:
#该Event已经同步成功，重复提交将被忽略
tracelog.info('event#%d was already synchonized.current sn: %d' % (event.id, sync_sn))
result.event_ids.append(event.id)
else:
events.append(event)
manager = self.get_worker().get_app().get_data_manager()
debug.info('incremental sync starts')
ret_code = manager.sync_data(events, ne_id)
if ret_code != DBSyncStatus.ERROR_SUCCESS:
tracelog.info('sync data failed. exit code: %d' % ret_code)
if ret_code == DBSyncStatus.ERROR_CONFLICT:
# 将EAU的状态设置为需要全同步
NEInfoMgr.set_ne_need_sync_full(ne_id
, self.get_worker().get_app().get_mit_manager()
, True)
# 不给EAU回应答；EAU收到收不到应答超时后，下次重试
return
for event in events:
self.get_worker().get_app().set_sync_sn(ne_id, event.priority, event.id)
debug.info(' event#%04d: return %d' % (event.id, ret_code))
result.event_ids.append(event.id)
self.__send_ack(frame, result.serialize())
tracelog.info(result.event_ids)
tracelog.info('sync processing completed.')