blob: db9c70dd11e94aba2d29fb2b72b58358b4fab318 [file] [log] [blame]
* Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
//Package core provides the utility for olt devices, flows and statistics
package core
import (
ia ""
oltia ""
//OpenOLTInterAdapter structure holds a reference to the oltAdapter
type OpenOLTInterAdapter struct {
oltAdapter *OpenOLT
exitChannel chan struct{}
//NewOpenOLTInterAdapter returns a new instance of OpenOLTInterAdapter
func NewOpenOLTInterAdapter(oltAdapter *OpenOLT) *OpenOLTInterAdapter {
return &OpenOLTInterAdapter{oltAdapter: oltAdapter, exitChannel: make(chan struct{})}
//Start starts (logs) the device manager
func (oo *OpenOLTInterAdapter) Start(ctx context.Context) error {
return nil
//Stop terminates the session
func (oo *OpenOLTInterAdapter) Stop(ctx context.Context) error {
return nil
// ProxyOmciRequest proxies an OMCI request from the child adapter
func (oo *OpenOLTInterAdapter) ProxyOmciRequest(ctx context.Context, request *ia.OmciMessage) (*empty.Empty, error) {
return oo.oltAdapter.ProxyOmciRequest(ctx, request)
// ProxyOmciRequests proxies an OMCI request from the child adapter
func (oo *OpenOLTInterAdapter) ProxyOmciRequests(ctx context.Context, request *ia.OmciMessages) (*empty.Empty, error) {
return oo.oltAdapter.ProxyOmciRequests(ctx, request)
// GetTechProfileInstance returns an instance of a tech profile
func (oo *OpenOLTInterAdapter) GetTechProfileInstance(ctx context.Context, request *ia.TechProfileInstanceRequestMessage) (*ia.TechProfileDownloadMessage, error) {
return oo.oltAdapter.GetTechProfileInstance(ctx, request)
// GetHealthStatus is used by a OltInterAdapterService client to detect a connection
// lost with the gRPC server hosting the OltInterAdapterService service
func (oo *OpenOLTInterAdapter) GetHealthStatus(stream oltia.OltInterAdapterService_GetHealthStatusServer) error {
ctx := context.Background()
logger.Debugw(ctx, "receive-stream-connection", log.Fields{"stream": stream})
if stream == nil {
return fmt.Errorf("conn-is-nil %v", stream)
initialRequestTime := time.Now()
var remoteClient *common.Connection
var tempClient *common.Connection
var err error
for {
tempClient, err = stream.Recv()
if err != nil {
logger.Warnw(ctx, "received-stream-error", log.Fields{"remote-client": remoteClient, "error": err})
break loop
err = stream.Send(&health.HealthStatus{State: health.HealthStatus_HEALTHY})
if err != nil {
logger.Warnw(ctx, "sending-stream-error", log.Fields{"remote-client": remoteClient, "error": err})
break loop
remoteClient = tempClient
logger.Debugw(ctx, "received-keep-alive", log.Fields{"remote-client": remoteClient})
select {
case <-stream.Context().Done():
logger.Infow(ctx, "stream-keep-alive-context-done", log.Fields{"remote-client": remoteClient, "error": stream.Context().Err()})
break loop
case <-oo.exitChannel:
logger.Warnw(ctx, "received-stop", log.Fields{"remote-client": remoteClient, "initial-conn-time": initialRequestTime})
break loop
logger.Errorw(ctx, "connection-down", log.Fields{"remote-client": remoteClient, "error": err, "initial-conn-time": initialRequestTime})
return err