| /* |
| * Copyright 2020-present Open Networking Foundation |
| |
| * 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. |
| */ |
| |
| package adapter |
| |
| import ( |
| "context" |
| "github.com/golang/protobuf/ptypes" |
| "github.com/opencord/voltha-lib-go/v4/pkg/log" |
| "github.com/opencord/voltha-protos/v4/go/voltha" |
| "sync" |
| "time" |
| ) |
| |
| // agent represents adapter agent |
| type agent struct { |
| adapter *voltha.Adapter |
| lock sync.RWMutex |
| } |
| |
| func newAdapterAgent(adapter *voltha.Adapter) *agent { |
| return &agent{ |
| adapter: adapter, |
| } |
| } |
| |
| func (aa *agent) getAdapter(ctx context.Context) *voltha.Adapter { |
| aa.lock.RLock() |
| defer aa.lock.RUnlock() |
| logger.Debugw(ctx, "getAdapter", log.Fields{"adapter": aa.adapter}) |
| return aa.adapter |
| } |
| |
| // updateCommunicationTime updates the message to the specified time. |
| // No attempt is made to save the time to the db, so only recent times are guaranteed to be accurate. |
| func (aa *agent) updateCommunicationTime(new time.Time) { |
| // only update if new time is not in the future, and either the old time is invalid or new time > old time |
| aa.lock.Lock() |
| defer aa.lock.Unlock() |
| if last, err := ptypes.Timestamp(aa.adapter.LastCommunication); !new.After(time.Now()) && (err != nil || new.After(last)) { |
| timestamp, err := ptypes.TimestampProto(new) |
| if err != nil { |
| return // if the new time cannot be encoded, just ignore it |
| } |
| |
| aa.adapter.LastCommunication = timestamp |
| } |
| } |