blob: 8e9bdecd4abb2861b48f7b28760375773aed6289 [file] [log] [blame]
/*
* Copyright 2022-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 core provides the utility for onu devices, flows and statistics
package core
import (
"context"
"fmt"
"time"
"github.com/golang/protobuf/ptypes/empty"
"github.com/opencord/voltha-lib-go/v7/pkg/log"
"github.com/opencord/voltha-protos/v5/go/common"
"github.com/opencord/voltha-protos/v5/go/health"
ia "github.com/opencord/voltha-protos/v5/go/inter_adapter"
"github.com/opencord/voltha-protos/v5/go/onu_inter_adapter_service"
)
//OpenONUACInterAdapter structure holds a reference to ONU adapter
type OpenONUACInterAdapter struct {
onuAdapter *OpenONUAC
exitChannel chan struct{}
}
//NewOpenONUACAdapter returns a new instance of OpenONUACAdapter
func NewOpenONUACAdapter(ctx context.Context, onuAdapter *OpenONUAC) *OpenONUACInterAdapter {
return &OpenONUACInterAdapter{onuAdapter: onuAdapter, exitChannel: make(chan struct{})}
}
//Start starts (logs) the adapter
func (oo *OpenONUACInterAdapter) Start(ctx context.Context) error {
logger.Info(ctx, "starting-openonu-inter-adapter")
return nil
}
//OnuIndication redirects the request the the core ONU adapter handler
func (oo *OpenONUACInterAdapter) OnuIndication(ctx context.Context, onuInd *ia.OnuIndicationMessage) (*empty.Empty, error) {
return oo.onuAdapter.OnuIndication(ctx, onuInd)
}
//OmciIndication redirects the request the the core ONU adapter handler
func (oo *OpenONUACInterAdapter) OmciIndication(ctx context.Context, msg *ia.OmciMessage) (*empty.Empty, error) {
return oo.onuAdapter.OmciIndication(ctx, msg)
}
//DownloadTechProfile redirects the request the the core ONU adapter handler
func (oo *OpenONUACInterAdapter) DownloadTechProfile(ctx context.Context, tProfile *ia.TechProfileDownloadMessage) (*empty.Empty, error) {
return oo.onuAdapter.DownloadTechProfile(ctx, tProfile)
}
//DeleteGemPort redirects the request the the core ONU adapter handler
func (oo *OpenONUACInterAdapter) DeleteGemPort(ctx context.Context, gPort *ia.DeleteGemPortMessage) (*empty.Empty, error) {
return oo.onuAdapter.DeleteGemPort(ctx, gPort)
}
//DeleteTCont redirects the request the the core ONU adapter handler
func (oo *OpenONUACInterAdapter) DeleteTCont(ctx context.Context, tConf *ia.DeleteTcontMessage) (*empty.Empty, error) {
return oo.onuAdapter.DeleteTCont(ctx, tConf)
}
//Stop terminates the session
func (oo *OpenONUACInterAdapter) Stop(ctx context.Context) error {
close(oo.exitChannel)
logger.Info(ctx, "openonu-inter-adapter-stopped")
return nil
}
// GetHealthStatus is used by a OnuInterAdapterService client to detect a connection
// lost with the gRPC server hosting the OnuInterAdapterService service
func (oo *OpenONUACInterAdapter) GetHealthStatus(stream onu_inter_adapter_service.OnuInterAdapterService_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
loop:
for {
tempClient, err = stream.Recv()
if err != nil {
logger.Warnw(ctx, "received-stream-error", log.Fields{"remote-client": remoteClient, "error": err})
break loop
}
// Send a response back
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})
oo.onuAdapter.updateReachabilityFromRemote(context.Background(), 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
default:
}
}
logger.Errorw(ctx, "connection-down", log.Fields{"remote-client": remoteClient, "error": err, "initial-conn-time": initialRequestTime})
return err
}