blob: 02d92bca600c146c6ca8517862fe1851260b9a37 [file] [log] [blame]
/*
* 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 swupg provides the utilities for onu sw upgrade
package swupg
import (
"context"
"encoding/hex"
"fmt"
"sync"
"time"
"github.com/opencord/omci-lib-go/v2"
me "github.com/opencord/omci-lib-go/v2/generated"
"github.com/opencord/voltha-lib-go/v7/pkg/log"
cmn "github.com/opencord/voltha-openonu-adapter-go/internal/pkg/common"
"github.com/opencord/voltha-protos/v5/go/voltha"
)
//OnuImageStatus implements methods to get status info of onu images
type OnuImageStatus struct {
deviceID string
pDeviceHandler cmn.IdeviceHandler
pDevEntry cmn.IonuDeviceEntry
pOmciCC *cmn.OmciCC
requestedAttributes me.AttributeValueMap
mutexWaitingForResp sync.RWMutex
waitingForResp bool
respChannel chan cmn.Message
mutexPLastTxMeInstance sync.RWMutex
pLastTxMeInstance *me.ManagedEntity
}
const cResponse = "response: "
//NewOnuImageStatus creates a new instance of OnuImageStatus
func NewOnuImageStatus(apDeviceHandler cmn.IdeviceHandler, apDevEntry cmn.IonuDeviceEntry) *OnuImageStatus {
return &OnuImageStatus{
deviceID: apDeviceHandler.GetDeviceID(),
pDeviceHandler: apDeviceHandler,
pDevEntry: apDevEntry,
pOmciCC: apDevEntry.GetDevOmciCC(),
requestedAttributes: make(me.AttributeValueMap),
waitingForResp: false,
respChannel: make(chan cmn.Message),
}
}
// GetOnuImageStatus - TODO: add comment
func (oo *OnuImageStatus) GetOnuImageStatus(ctx context.Context) (*voltha.OnuImages, error) {
if !oo.pDeviceHandler.IsReadyForOmciConfig() {
logger.Errorw(ctx, "command rejected - improper device state", log.Fields{"device-id": oo.deviceID})
return nil, fmt.Errorf("command-rejected-improper-device-state")
}
if oo.pOmciCC == nil {
logger.Errorw(ctx, "omciCC not ready to receive omci messages", log.Fields{"device-id": oo.deviceID})
return nil, fmt.Errorf("omciCC-not-ready-to-receive-omci-messages")
}
var images voltha.OnuImages
for i := cmn.FirstSwImageMeID; i <= cmn.SecondSwImageMeID; i++ {
logger.Debugw(ctx, "GetOnuImageStatus for image id", log.Fields{"image-id": i, "device-id": oo.deviceID})
var image voltha.OnuImage
// TODO: Since the summed length of the attributes exceeds the capacity of a single response,
// it is distributed on several requests here. It should be discussed whether, in the course of a refactoring,
// a global mechanism should be implemented that automates this distribution - which would entail quite some
// changes on the respective receiver sides.
oo.requestedAttributes = me.AttributeValueMap{me.SoftwareImage_Version: "", me.SoftwareImage_IsCommitted: 0, me.SoftwareImage_IsActive: 0, me.SoftwareImage_IsValid: 0}
if err := oo.requestOnuImageAttributes(ctx, uint16(i), &image); err != nil {
logger.Errorw(ctx, err.Error(), log.Fields{"requestedAttributes": oo.requestedAttributes, "device-id": oo.deviceID})
return nil, err
}
oo.requestedAttributes = me.AttributeValueMap{me.SoftwareImage_ProductCode: ""}
if err := oo.requestOnuImageAttributes(ctx, uint16(i), &image); err != nil {
logger.Errorw(ctx, err.Error(), log.Fields{"requestedAttributes": oo.requestedAttributes, "device-id": oo.deviceID})
return nil, err
}
oo.requestedAttributes = me.AttributeValueMap{me.SoftwareImage_ImageHash: 0}
if err := oo.requestOnuImageAttributes(ctx, uint16(i), &image); err != nil {
logger.Errorw(ctx, err.Error(), log.Fields{"requestedAttributes": oo.requestedAttributes, "device-id": oo.deviceID})
return nil, err
}
images.Items = append(images.Items, &image)
}
logger.Debugw(ctx, "images of the ONU", log.Fields{"images": images})
oo.updateOnuSwImagePersistentData(ctx)
return &images, nil
}
func (oo *OnuImageStatus) requestOnuImageAttributes(ctx context.Context, imageID uint16, image *voltha.OnuImage) error {
oo.mutexPLastTxMeInstance.Lock()
meInstance, err := oo.pOmciCC.SendGetMe(log.WithSpanFromContext(context.TODO(), ctx), me.SoftwareImageClassID,
imageID, oo.requestedAttributes, oo.pDeviceHandler.GetOmciTimeout(), true, oo.respChannel)
if err != nil {
oo.mutexPLastTxMeInstance.Unlock()
logger.Errorw(ctx, "can't send omci request to get data for image id", log.Fields{"image-id": imageID, "device-id": oo.deviceID})
return fmt.Errorf("can't-send-omci-request-to-get-data-for-image-id-%d", imageID)
}
oo.pLastTxMeInstance = meInstance
oo.mutexPLastTxMeInstance.Unlock()
if err = oo.waitForGetOnuImageStatus(ctx, image); err != nil {
logger.Errorw(ctx, err.Error(), log.Fields{"device-id": oo.deviceID})
return err
}
return nil
}
func (oo *OnuImageStatus) waitForGetOnuImageStatus(ctx context.Context, image *voltha.OnuImage) error {
oo.setWaitingForResp(true)
select {
// maybe be also some outside cancel (but no context modeled for the moment ...)
case <-ctx.Done():
logger.Errorw(ctx, "waitForGetOnuImageStatus context done", log.Fields{"device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-context-done")
case <-time.After(oo.pOmciCC.GetMaxOmciTimeoutWithRetries() * time.Second):
logger.Errorw(ctx, "waitForGetOnuImageStatus timeout", log.Fields{"device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-timeout")
case message, ok := <-oo.respChannel:
if !ok {
logger.Errorw(ctx, "waitForGetOnuImageStatus response error", log.Fields{"device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-response-error")
}
switch message.Type {
case cmn.OMCI:
msg, _ := message.Data.(cmn.OmciMessage)
oo.setWaitingForResp(false)
return oo.processGetOnuImageStatusResp(ctx, msg, image)
case cmn.TestMsg:
msg, _ := message.Data.(cmn.TestMessage)
if msg.TestMessageVal == cmn.AbortMessageProcessing {
logger.Info(ctx, "waitForGetOnuImageStatus abort msg received", log.Fields{"device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-abort-msg-received")
}
default:
logger.Errorw(ctx, "waitForGetOnuImageStatus wrong msg type received", log.Fields{"msgType": message.Type, "device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-response-error")
}
}
logger.Errorw(ctx, "waitForGetOnuImageStatus processing error", log.Fields{"device-id": oo.deviceID})
oo.setWaitingForResp(false)
return fmt.Errorf("wait-for-image-status-processing-error")
}
func (oo *OnuImageStatus) processGetOnuImageStatusResp(ctx context.Context, msg cmn.OmciMessage, image *voltha.OnuImage) error {
if msg.OmciMsg.MessageType != omci.GetResponseType {
logger.Errorw(ctx, "processGetOnuImageStatusResp wrong response type received", log.Fields{"respType": msg.OmciMsg.MessageType, "device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeGetResponse)
if msgLayer == nil {
logger.Errorw(ctx, "processGetOnuImageStatusResp omci Msg layer not found", log.Fields{"device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
msgObj, msgOk := msgLayer.(*omci.GetResponse)
if !msgOk {
logger.Errorw(ctx, "processGetOnuImageStatusResp omci msgObj layer could not be found", log.Fields{"device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
oo.mutexPLastTxMeInstance.RLock()
if oo.pLastTxMeInstance != nil {
if msgObj.EntityClass == oo.pLastTxMeInstance.GetClassID() &&
msgObj.EntityInstance == oo.pLastTxMeInstance.GetEntityID() {
oo.mutexPLastTxMeInstance.RUnlock()
if err := oo.processAttributesReceived(ctx, msgObj, image); err != nil {
logger.Errorw(ctx, err.Error(), log.Fields{"device-id": oo.deviceID})
return err
}
return nil
}
oo.mutexPLastTxMeInstance.RUnlock()
logger.Errorw(ctx, "processGetOnuImageStatusResp wrong MeInstance received", log.Fields{"device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
oo.mutexPLastTxMeInstance.RUnlock()
logger.Errorw(ctx, "processGetOnuImageStatusResp pLastTxMeInstance is nil", log.Fields{"device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
func (oo *OnuImageStatus) processAttributesReceived(ctx context.Context, msgObj *omci.GetResponse, image *voltha.OnuImage) error {
meAttributes := msgObj.Attributes
logger.Debugw(ctx, "processAttributesReceived", log.Fields{"attributes": meAttributes, "device-id": oo.deviceID})
if _, ok := oo.requestedAttributes[me.SoftwareImage_Version]; ok {
if msgObj.Result != me.Success {
logger.Errorw(ctx, "processAttributesReceived retrieval of mandatory attributes failed",
log.Fields{"device-id": oo.deviceID})
return fmt.Errorf("process-image-status-response-error")
}
oo.pDevEntry.HandleSwImageIndications(ctx, msgObj.EntityInstance, meAttributes)
}
for k := range oo.requestedAttributes {
switch k {
// mandatory attributes
case me.SoftwareImage_IsCommitted:
if meAttributes[me.SoftwareImage_IsCommitted].(uint8) == cmn.SwIsCommitted {
image.IsCommited = true
} else {
image.IsCommited = false
}
case me.SoftwareImage_IsActive:
if meAttributes[me.SoftwareImage_IsActive].(uint8) == cmn.SwIsActive {
image.IsActive = true
} else {
image.IsActive = false
}
case me.SoftwareImage_IsValid:
if meAttributes[me.SoftwareImage_IsValid].(uint8) == cmn.SwIsValid {
image.IsValid = true
} else {
image.IsValid = false
}
case me.SoftwareImage_Version:
image.Version = cmn.TrimStringFromMeOctet(meAttributes[me.SoftwareImage_Version])
// optional attributes
case me.SoftwareImage_ProductCode:
if msgObj.Result == me.Success {
image.ProductCode = cmn.TrimStringFromMeOctet(meAttributes[me.SoftwareImage_ProductCode])
} else {
sResult := msgObj.Result.String()
logger.Infow(ctx, "processAttributesReceived - ProductCode",
log.Fields{"result": sResult, "unsupported attribute mask": msgObj.UnsupportedAttributeMask, "device-id": oo.deviceID})
image.ProductCode = cResponse + sResult
}
case me.SoftwareImage_ImageHash:
if msgObj.Result == me.Success {
bytes, _ := me.InterfaceToOctets(meAttributes[me.SoftwareImage_ImageHash])
image.Hash = hex.EncodeToString(bytes)
} else {
sResult := msgObj.Result.String()
logger.Infow(ctx, "processAttributesReceived - ImageHash",
log.Fields{"result": sResult, "unsupported attribute mask": msgObj.UnsupportedAttributeMask, "device-id": oo.deviceID})
image.Hash = cResponse + sResult
}
}
}
return nil
}
func (oo *OnuImageStatus) updateOnuSwImagePersistentData(ctx context.Context) {
activeImageVersion := oo.pDevEntry.GetActiveImageVersion(ctx)
persActiveSwVersion := oo.pDevEntry.GetPersActiveSwVersion()
if persActiveSwVersion != activeImageVersion {
logger.Infow(ctx, "Active SW version has been changed at ONU - update persistent data",
log.Fields{"old version": persActiveSwVersion,
"new version": activeImageVersion, "device-id": oo.deviceID})
oo.pDevEntry.SetPersActiveSwVersion(activeImageVersion)
if err := oo.pDeviceHandler.StorePersistentData(ctx); err != nil {
logger.Warnw(ctx, "store persistent data error - continue for now as there will be additional write attempts",
log.Fields{"device-id": oo.deviceID, "err": err})
}
return
}
}
func (oo *OnuImageStatus) setWaitingForResp(value bool) {
oo.mutexWaitingForResp.Lock()
oo.waitingForResp = value
oo.mutexWaitingForResp.Unlock()
}
func (oo *OnuImageStatus) isWaitingForResp() bool {
oo.mutexWaitingForResp.RLock()
value := oo.waitingForResp
oo.mutexWaitingForResp.RUnlock()
return value
}
//CancelProcessing ensures that interrupted processing is canceled while waiting for a response
func (oo *OnuImageStatus) CancelProcessing(ctx context.Context) {
if oo.isWaitingForResp() {
abortMsg := cmn.Message{
Type: cmn.TestMsg,
Data: cmn.TestMessage{
TestMessageVal: cmn.AbortMessageProcessing,
},
}
oo.respChannel <- abortMsg
}
}