blob: 1c86e976d9705559250b6bcc7f271a7286065b23 [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 adaptercoreonu provides the utility for onu devices, flows and statistics
package adaptercoreonu
import (
"context"
"encoding/binary"
"fmt"
"strconv"
"sync"
"time"
"github.com/boguslaw-wojcik/crc32a"
"github.com/looplab/fsm"
"github.com/opencord/omci-lib-go"
me "github.com/opencord/omci-lib-go/generated"
"github.com/opencord/voltha-lib-go/v5/pkg/log"
"github.com/opencord/voltha-protos/v4/go/voltha"
)
const cMaxUint32 = ^uint32(0)
const (
// internal predefined values - some off them should later be configurable (perhaps with theses as defaults)
cOmciDownloadSectionSize = 31 //in bytes
cOmciDownloadWindowSizeLimit = 31 //in sections for window offset (windowSize(32)-1)
//cOmciDownloadWindowRetryMax = 2 // max attempts for a specific window
cOmciSectionInterleaveMilliseconds = 0 //DownloadSection interleave time in milliseconds (0 for no delay)
cOmciEndSwDlDelaySeconds = 1 //End Software Download delay after last section (may be also configurable?)
cWaitCountEndSwDl = 6 //maximum number of EndSwDl requests
cWaitDelayEndSwDlSeconds = 10 //duration, how long is waited before next request on EndSwDl
//cOmciDownloadCompleteTimeout = 5400 //in s for the complete timeout (may be better scale to image size/ noOfWindows)
)
const (
// events of config PON ANI port FSM
upgradeEvStart = "upgradeEvStart"
upgradeEvDisable = "upgradeEvDisable"
upgradeEvAdapterDownload = "upgradeEvAdapterDownload"
upgradeEvPrepareSwDownload = "upgradeEvPrepareSwDownload"
upgradeEvRxStartSwDownload = "upgradeEvRxStartSwDownload"
upgradeEvWaitWindowAck = "upgradeEvWaitWindowAck"
upgradeEvContinueNextWindow = "upgradeEvContinueNextWindow"
upgradeEvEndSwDownload = "upgradeEvEndSwDownload"
upgradeEvWaitEndDownload = "upgradeEvWaitEndDownload"
upgradeEvContinueFinalize = "upgradeEvContinueFinalize"
upgradeEvCheckImageName = "upgradeEvCheckImageName"
upgradeEvWaitForActivate = "upgradeEvWaitForActivate"
upgradeEvRequestActivate = "upgradeEvRequestActivate"
upgradeEvActivationDone = "upgradeEvActivationDone"
upgradeEvWaitForCommit = "upgradeEvWaitForCommit"
upgradeEvCommitSw = "upgradeEvCommitSw"
upgradeEvCheckCommitted = "upgradeEvCheckCommitted"
//upgradeEvTimeoutSimple = "upgradeEvTimeoutSimple"
//upgradeEvTimeoutMids = "upgradeEvTimeoutMids"
upgradeEvReset = "upgradeEvReset"
upgradeEvAbort = "upgradeEvAbort"
upgradeEvRestart = "upgradeEvRestart"
upgradeEvAbortSwDownload = "upgradeEvAbortSwDownload"
)
const (
// states of config PON ANI port FSM
upgradeStDisabled = "upgradeStDisabled"
upgradeStStarting = "upgradeStStarting"
upgradeStWaitingAdapterDL = "upgradeStWaitingAdapterDL"
upgradeStPreparingDL = "upgradeStPreparingDL"
upgradeStDLSection = "upgradeStDLSection"
upgradeStVerifyWindow = "upgradeStVerifyWindow"
upgradeStFinalizeDL = "upgradeStFinalizeDL"
upgradeStWaitEndDL = "upgradeStWaitEndDL"
upgradeStCheckImageName = "upgradeStCheckImageName"
upgradeStWaitForActivate = "upgradeStWaitForActivate"
upgradeStRequestingActivate = "upgradeStRequestingActivate"
upgradeStActivated = "upgradeStActivated"
upgradeStWaitForCommit = "upgradeStWaitForCommit"
upgradeStCommitSw = "upgradeStCommitSw"
upgradeStCheckCommitted = "upgradeStCheckCommitted"
upgradeStResetting = "upgradeStResetting"
upgradeStRestarting = "upgradeStRestarting"
upgradeStAbortingDL = "upgradeStAbortingDL"
)
//required definition for IdleState detection for activities on OMCI
const cOnuUpgradeFsmIdleState = upgradeStWaitForCommit
//OnuUpgradeFsm defines the structure for the state machine to config the PON ANI ports of ONU UNI ports via OMCI
type OnuUpgradeFsm struct {
pDeviceHandler *deviceHandler
pDownloadManager *adapterDownloadManager
pFileManager *fileDownloadManager //used from R2.8 with new API version
deviceID string
pDevEntry *OnuDeviceEntry
pOmciCC *omciCC
pOnuDB *onuDeviceDB
requestEvent OnuDeviceEvent
//omciMIdsResponseReceived chan bool //seperate channel needed for checking multiInstance OMCI message responses
pAdaptFsm *AdapterFsm
pImageDsc *voltha.ImageDownload
imageBuffer []byte
origImageLength uint32 //as also limited by OMCI
imageCRC uint32 //as per OMCI - ITU I.363.5 crc
imageLength uint32 //including last bytes padding
omciDownloadWindowSizeLimit uint8 //windowSize-1 in sections
omciDownloadWindowSizeLast uint8 //number of sections in last window
noOfSections uint32 //uint32 range for sections should be sufficient for very long images
nextDownloadSectionsAbsolute uint32 //number of next section to download in overall image
nextDownloadSectionsWindow uint8 //number of next section to download within current window
noOfWindows uint32 //uint32 range for windows should be sufficient for very long images
nextDownloadWindow uint32 //number of next window to download
inactiveImageMeID uint16 //ME-ID of the inactive image
downloadToOnuTimeout4MB time.Duration //timeout for downloading the image to the ONU for a 4MB image slice
omciSectionInterleaveDelay time.Duration //DownloadSectionInterleave delay in milliseconds
delayEndSwDl bool //flag to provide a delay between last section and EndSwDl
pLastTxMeInstance *me.ManagedEntity
waitCountEndSwDl uint8 //number, how often is waited for EndSwDl at maximum
waitDelayEndSwDl time.Duration //duration, how long is waited before next request on EndSwDl
chReceiveExpectedResponse chan bool
useAPIVersion43 bool //flag for indication on which API version is used (and accordingly which specific methods)
mutexUpgradeParams sync.RWMutex //mutex to protect members for parallel function requests and omci response processing
imageVersion string //name of the image as used within OMCI (and on extrenal API interface)
imageIdentifier string //name of the image as used in the adapter
mutexIsAwaitingAdapterDlResponse sync.RWMutex
chAdapterDlReady chan bool
isWaitingForAdapterDlResponse bool
chOnuDlReady chan bool
activateImage bool
commitImage bool
mutexAbortRequest sync.RWMutex
abortRequested voltha.ImageState_ImageFailureReason
conditionalCancelRequested bool
volthaDownloadState voltha.ImageState_ImageDownloadState
volthaDownloadReason voltha.ImageState_ImageFailureReason
volthaImageState voltha.ImageState_ImageActivationState
isEndSwDlOpen bool
chReceiveAbortEndSwDlResponse chan bool
}
//NewOnuUpgradeFsm is the 'constructor' for the state machine to config the PON ANI ports
// of ONU UNI ports via OMCI
func NewOnuUpgradeFsm(ctx context.Context, apDeviceHandler *deviceHandler,
apDevEntry *OnuDeviceEntry, apOnuDB *onuDeviceDB,
aRequestEvent OnuDeviceEvent, aName string, aCommChannel chan Message) *OnuUpgradeFsm {
instFsm := &OnuUpgradeFsm{
pDeviceHandler: apDeviceHandler,
deviceID: apDeviceHandler.deviceID,
pDevEntry: apDevEntry,
pOmciCC: apDevEntry.PDevOmciCC,
pOnuDB: apOnuDB,
requestEvent: aRequestEvent,
omciDownloadWindowSizeLimit: cOmciDownloadWindowSizeLimit,
omciSectionInterleaveDelay: cOmciSectionInterleaveMilliseconds,
downloadToOnuTimeout4MB: apDeviceHandler.pOpenOnuAc.dlToOnuTimeout4M,
waitCountEndSwDl: cWaitCountEndSwDl,
waitDelayEndSwDl: cWaitDelayEndSwDlSeconds,
volthaDownloadState: voltha.ImageState_DOWNLOAD_STARTED, //if FSM created we can assume that the download (to adapter) really started
volthaDownloadReason: voltha.ImageState_NO_ERROR,
volthaImageState: voltha.ImageState_IMAGE_UNKNOWN,
abortRequested: voltha.ImageState_NO_ERROR,
}
instFsm.chReceiveExpectedResponse = make(chan bool)
instFsm.chAdapterDlReady = make(chan bool)
instFsm.chOnuDlReady = make(chan bool)
instFsm.chReceiveAbortEndSwDlResponse = make(chan bool)
instFsm.pAdaptFsm = NewAdapterFsm(aName, instFsm.deviceID, aCommChannel)
if instFsm.pAdaptFsm == nil {
logger.Errorw(ctx, "OnuUpgradeFsm's AdapterFsm could not be instantiated!!", log.Fields{
"device-id": instFsm.deviceID})
return nil
}
instFsm.pAdaptFsm.pFsm = fsm.NewFSM(
upgradeStDisabled,
fsm.Events{
{Name: upgradeEvStart, Src: []string{upgradeStDisabled}, Dst: upgradeStStarting},
{Name: upgradeEvAdapterDownload, Src: []string{upgradeStStarting}, Dst: upgradeStWaitingAdapterDL},
{Name: upgradeEvPrepareSwDownload, Src: []string{upgradeStStarting, upgradeStWaitingAdapterDL}, Dst: upgradeStPreparingDL},
{Name: upgradeEvRxStartSwDownload, Src: []string{upgradeStPreparingDL}, Dst: upgradeStDLSection},
{Name: upgradeEvWaitWindowAck, Src: []string{upgradeStDLSection}, Dst: upgradeStVerifyWindow},
{Name: upgradeEvContinueNextWindow, Src: []string{upgradeStVerifyWindow}, Dst: upgradeStDLSection},
{Name: upgradeEvEndSwDownload, Src: []string{upgradeStVerifyWindow}, Dst: upgradeStFinalizeDL},
{Name: upgradeEvWaitEndDownload, Src: []string{upgradeStFinalizeDL}, Dst: upgradeStWaitEndDL},
{Name: upgradeEvContinueFinalize, Src: []string{upgradeStWaitEndDL}, Dst: upgradeStFinalizeDL},
//upgradeStCheckImageName only used with useAPIVersion43
{Name: upgradeEvCheckImageName, Src: []string{upgradeStWaitEndDL}, Dst: upgradeStCheckImageName},
//upgradeEvWaitForActivate state transitions depend on useAPIVersion43
{Name: upgradeEvWaitForActivate, Src: []string{upgradeStWaitEndDL, upgradeStCheckImageName}, Dst: upgradeStWaitForActivate},
//upgradeEvRequestActivate state transitions depend on useAPIVersion43
{Name: upgradeEvRequestActivate, Src: []string{upgradeStStarting, upgradeStWaitEndDL, upgradeStCheckImageName,
upgradeStWaitForActivate}, Dst: upgradeStRequestingActivate}, //allows also for direct activation (without download) [TODO!!!]
{Name: upgradeEvActivationDone, Src: []string{upgradeStRequestingActivate}, Dst: upgradeStActivated},
{Name: upgradeEvWaitForCommit, Src: []string{upgradeStRequestingActivate}, Dst: upgradeStWaitForCommit},
{Name: upgradeEvCommitSw, Src: []string{upgradeStStarting, upgradeStRequestingActivate, upgradeStWaitForCommit,
upgradeStActivated}, Dst: upgradeStCommitSw}, //allows also for direct commitment (without download) [TODO!!!]
{Name: upgradeEvCheckCommitted, Src: []string{upgradeStCommitSw}, Dst: upgradeStCheckCommitted},
/*
{Name: upgradeEvTimeoutSimple, Src: []string{
upgradeStCreatingDot1PMapper, upgradeStCreatingMBPCD, upgradeStSettingTconts, upgradeStSettingDot1PMapper}, Dst: upgradeStStarting},
{Name: upgradeEvTimeoutMids, Src: []string{
upgradeStCreatingGemNCTPs, upgradeStCreatingGemIWs, upgradeStSettingPQs}, Dst: upgradeStStarting},
*/
// exceptional treatments
//on upgradeEvReset: upgradeStRequestingActivate, upgradeStWaitForCommit and upgradeStActivated are not reset
// (to let the FSM survive the expected OnuDown indication)
{Name: upgradeEvReset, Src: []string{upgradeStStarting, upgradeStWaitingAdapterDL, upgradeStPreparingDL, upgradeStDLSection,
upgradeStVerifyWindow, upgradeStDLSection, upgradeStFinalizeDL, upgradeStWaitEndDL, upgradeStCheckImageName,
upgradeStWaitForActivate,
upgradeStCommitSw, upgradeStCheckCommitted},
Dst: upgradeStResetting},
{Name: upgradeEvAbort, Src: []string{upgradeStStarting, upgradeStWaitingAdapterDL, upgradeStPreparingDL, upgradeStDLSection,
upgradeStVerifyWindow, upgradeStDLSection, upgradeStFinalizeDL, upgradeStWaitEndDL, upgradeStCheckImageName,
upgradeStWaitForActivate,
upgradeStRequestingActivate, upgradeStActivated, upgradeStWaitForCommit,
upgradeStCommitSw, upgradeStCheckCommitted},
Dst: upgradeStResetting},
{Name: upgradeEvAbortSwDownload, Src: []string{upgradeStResetting}, Dst: upgradeStAbortingDL},
{Name: upgradeEvRestart, Src: []string{upgradeStResetting, upgradeStAbortingDL}, Dst: upgradeStRestarting},
{Name: upgradeEvDisable, Src: []string{upgradeStRestarting}, Dst: upgradeStDisabled},
},
fsm.Callbacks{
"enter_state": func(e *fsm.Event) { instFsm.pAdaptFsm.logFsmStateChange(ctx, e) },
"enter_" + upgradeStStarting: func(e *fsm.Event) { instFsm.enterStarting(ctx, e) },
"enter_" + upgradeStWaitingAdapterDL: func(e *fsm.Event) { instFsm.enterWaitingAdapterDL(ctx, e) },
"enter_" + upgradeStPreparingDL: func(e *fsm.Event) { instFsm.enterPreparingDL(ctx, e) },
"enter_" + upgradeStDLSection: func(e *fsm.Event) { instFsm.enterDownloadSection(ctx, e) },
"enter_" + upgradeStVerifyWindow: func(e *fsm.Event) { instFsm.enterVerifyWindow(ctx, e) },
"enter_" + upgradeStFinalizeDL: func(e *fsm.Event) { instFsm.enterFinalizeDL(ctx, e) },
"enter_" + upgradeStWaitEndDL: func(e *fsm.Event) { instFsm.enterWaitEndDL(ctx, e) },
"enter_" + upgradeStCheckImageName: func(e *fsm.Event) { instFsm.enterCheckImageName(ctx, e) },
"enter_" + upgradeStRequestingActivate: func(e *fsm.Event) { instFsm.enterActivateSw(ctx, e) },
"enter_" + upgradeStCommitSw: func(e *fsm.Event) { instFsm.enterCommitSw(ctx, e) },
"enter_" + upgradeStCheckCommitted: func(e *fsm.Event) { instFsm.enterCheckCommitted(ctx, e) },
"enter_" + upgradeStResetting: func(e *fsm.Event) { instFsm.enterResetting(ctx, e) },
"enter_" + upgradeStAbortingDL: func(e *fsm.Event) { instFsm.enterAbortingDL(ctx, e) },
"enter_" + upgradeStRestarting: func(e *fsm.Event) { instFsm.enterRestarting(ctx, e) },
"enter_" + upgradeStDisabled: func(e *fsm.Event) { instFsm.enterDisabled(ctx, e) },
},
)
if instFsm.pAdaptFsm.pFsm == nil {
logger.Errorw(ctx, "OnuUpgradeFsm's Base FSM could not be instantiated!!", log.Fields{
"device-id": instFsm.deviceID})
return nil
}
logger.Debugw(ctx, "OnuUpgradeFsm created", log.Fields{"device-id": instFsm.deviceID})
return instFsm
}
//SetDownloadParams configures the needed parameters for a specific download to the ONU
// called from 'old' API Activate_image_update()
func (oFsm *OnuUpgradeFsm) SetDownloadParams(ctx context.Context, aInactiveImageID uint16,
apImageDsc *voltha.ImageDownload, apDownloadManager *adapterDownloadManager) error {
pBaseFsm := oFsm.pAdaptFsm.pFsm
if pBaseFsm != nil && pBaseFsm.Is(upgradeStStarting) {
oFsm.mutexUpgradeParams.Lock()
logger.Debugw(ctx, "OnuUpgradeFsm Parameter setting", log.Fields{
"device-id": oFsm.deviceID, "image-description": apImageDsc})
oFsm.inactiveImageMeID = aInactiveImageID //upgrade state machines run on configured inactive ImageId
oFsm.pImageDsc = apImageDsc
oFsm.pDownloadManager = apDownloadManager
oFsm.activateImage = true
oFsm.commitImage = true
oFsm.mutexUpgradeParams.Unlock()
go func(aPBaseFsm *fsm.FSM) {
// let the upgrade FSM proceed to PreparingDL
_ = aPBaseFsm.Event(upgradeEvPrepareSwDownload)
}(pBaseFsm)
return nil
}
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer or state", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer or state for device-id: %s", oFsm.deviceID))
}
//SetDownloadParamsAfterDownload configures the needed parameters for a specific download to the ONU according to
// updated API interface with R2.8: start download to ONU if the image is downloaded to the adapter
// called from 'new' API Download_onu_image
func (oFsm *OnuUpgradeFsm) SetDownloadParamsAfterDownload(ctx context.Context, aInactiveImageID uint16,
apImageRequest *voltha.DeviceImageDownloadRequest, apDownloadManager *fileDownloadManager,
aImageIdentifier string) error {
oFsm.mutexUpgradeParams.Lock()
var pBaseFsm *fsm.FSM = nil
if oFsm.pAdaptFsm != nil {
pBaseFsm = oFsm.pAdaptFsm.pFsm
}
if pBaseFsm != nil && pBaseFsm.Is(upgradeStStarting) {
logger.Debugw(ctx, "OnuUpgradeFsm Parameter setting", log.Fields{
"device-id": oFsm.deviceID, "image-description": apImageRequest})
oFsm.useAPIVersion43 = true
oFsm.inactiveImageMeID = aInactiveImageID //upgrade state machines run on configured inactive ImageId
oFsm.pFileManager = apDownloadManager
oFsm.imageIdentifier = aImageIdentifier
oFsm.imageVersion = apImageRequest.Image.Version
oFsm.activateImage = apImageRequest.ActivateOnSuccess
oFsm.commitImage = apImageRequest.CommitOnSuccess
//TODO: currently straightforward options activate and commit are expected to be set and (unconditionally) done
// for separate handling of these options the FSM must accordingly branch from the concerned states - later
oFsm.mutexUpgradeParams.Unlock()
_ = pBaseFsm.Event(upgradeEvAdapterDownload) //no need to call the FSM event in background here
return nil
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer or state", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer or state for device-id: %s", oFsm.deviceID))
}
//SetActivationParamsRunning sets the activate and commit flags for a running download to the ONU according to adapters rpc call
// called from 'new' API Activate_onu_image
func (oFsm *OnuUpgradeFsm) SetActivationParamsRunning(ctx context.Context,
aImageIdentifier string, aCommit bool) error {
oFsm.mutexUpgradeParams.Lock()
//set activate/commit independent from state, if FSM is already beyond concerned states, then it does not matter anyway
// (as long as the Imageidentifier is correct)
logger.Debugw(ctx, "OnuUpgradeFsm activate/commit parameter setting", log.Fields{
"device-id": oFsm.deviceID, "image-id": aImageIdentifier, "commit": aCommit})
if aImageIdentifier != oFsm.imageIdentifier {
logger.Errorw(ctx, "OnuUpgradeFsm abort: mismatching upgrade image", log.Fields{
"device-id": oFsm.deviceID, "request-image": aImageIdentifier, "fsm-image": oFsm.imageIdentifier})
oFsm.mutexUpgradeParams.Unlock()
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm params ignored: requested image-name not used in current upgrade for device-id: %s",
oFsm.deviceID))
}
oFsm.activateImage = true
oFsm.commitImage = aCommit
var pBaseFsm *fsm.FSM = nil
if oFsm.pAdaptFsm != nil {
pBaseFsm = oFsm.pAdaptFsm.pFsm
}
if pBaseFsm != nil {
if pBaseFsm.Is(upgradeStWaitForActivate) {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_STARTED //better choice would be 'UpgradeState=Started'
oFsm.mutexUpgradeParams.Unlock()
logger.Debugw(ctx, "OnuUpgradeFsm finish waiting for activate", log.Fields{"device-id": oFsm.deviceID})
_ = pBaseFsm.Event(upgradeEvRequestActivate) //no need to call the FSM event in background here
} else {
oFsm.mutexUpgradeParams.Unlock()
logger.Debugw(ctx, "OnuUpgradeFsm not (yet?) waiting for activate", log.Fields{
"device-id": oFsm.deviceID, "current FsmState": pBaseFsm.Current()})
}
return nil
}
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer for device-id: %s", oFsm.deviceID))
}
//SetActivationParamsStart starts upgrade processing with immediate activation
// called from 'new' API Activate_onu_image
func (oFsm *OnuUpgradeFsm) SetActivationParamsStart(ctx context.Context, aImageVersion string, aInactiveImageID uint16, aCommit bool) error {
oFsm.mutexUpgradeParams.Lock()
var pBaseFsm *fsm.FSM = nil
if oFsm.pAdaptFsm != nil {
pBaseFsm = oFsm.pAdaptFsm.pFsm
}
if pBaseFsm != nil && pBaseFsm.Is(upgradeStStarting) {
logger.Debugw(ctx, "OnuUpgradeFsm Parameter setting to start with activation", log.Fields{
"device-id": oFsm.deviceID, "image-version": aImageVersion})
oFsm.useAPIVersion43 = true
oFsm.inactiveImageMeID = aInactiveImageID //upgrade state machines run on configured inactive ImageId
oFsm.imageVersion = aImageVersion
oFsm.activateImage = true
oFsm.commitImage = aCommit
// indicate start of the upgrade activity
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_STARTED //better choice would be 'UpgradeState=Started'
oFsm.volthaImageState = voltha.ImageState_IMAGE_INACTIVE //as simply applied for inactive image
oFsm.mutexUpgradeParams.Unlock()
//directly request the FSM to activate the image
_ = pBaseFsm.Event(upgradeEvRequestActivate) //no need to call the FSM event in background here
return nil
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer or state", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer or state for device-id: %s", oFsm.deviceID))
}
//SetCommitmentParamsRunning sets the commit flag for a running download to the ONU according to adapters rpc call
// called from 'new' API Commit_onu_image
func (oFsm *OnuUpgradeFsm) SetCommitmentParamsRunning(ctx context.Context,
aImageIdentifier string, aImageVersion string) error {
oFsm.mutexUpgradeParams.Lock()
//set commit independent from state, if FSM is already beyond commit state (just ready), then it does not matter anyway
// (as long as the Imageidentifier is correct)
logger.Debugw(ctx, "OnuUpgradeFsm commit parameter setting", log.Fields{
"device-id": oFsm.deviceID, "image-id": aImageIdentifier})
if (aImageIdentifier != oFsm.imageIdentifier) && (aImageVersion != oFsm.imageVersion) {
logger.Errorw(ctx, "OnuUpgradeFsm abort: mismatching upgrade image", log.Fields{
"device-id": oFsm.deviceID, "request-identifier": aImageIdentifier, "fsm-identifier": oFsm.imageIdentifier,
"request-version": aImageVersion, "fsm-version": oFsm.imageVersion})
oFsm.mutexUpgradeParams.Unlock()
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm params ignored: requested image-name not used in current upgrade for device-id: %s",
oFsm.deviceID))
}
oFsm.commitImage = true
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_STARTED //better choice would be 'UpgradeState=Started'
oFsm.mutexUpgradeParams.Unlock()
var pBaseFsm *fsm.FSM = nil
if oFsm.pAdaptFsm != nil {
pBaseFsm = oFsm.pAdaptFsm.pFsm
}
if pBaseFsm != nil {
//let the FSM decide if it is ready to process the event
logger.Debugw(ctx, "OnuUpgradeFsm requesting commit",
log.Fields{"device-id": oFsm.deviceID, "current FsmState": pBaseFsm.Current()})
_ = pBaseFsm.Event(upgradeEvCommitSw) //no need to call the FSM event in background here
return nil
}
//should never occur
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer for device-id: %s", oFsm.deviceID))
}
//SetCommitmentParamsStart starts upgrade processing with immediate commitment
// called from 'new' API Commit_onu_image
func (oFsm *OnuUpgradeFsm) SetCommitmentParamsStart(ctx context.Context, aImageVersion string, aActiveImageID uint16) error {
oFsm.mutexUpgradeParams.Lock()
var pBaseFsm *fsm.FSM = nil
if oFsm.pAdaptFsm != nil {
pBaseFsm = oFsm.pAdaptFsm.pFsm
}
if pBaseFsm != nil && pBaseFsm.Is(upgradeStStarting) {
logger.Debugw(ctx, "OnuUpgradeFsm Parameter setting to start with commitment", log.Fields{
"device-id": oFsm.deviceID, "image-version": aImageVersion})
oFsm.useAPIVersion43 = true
oFsm.inactiveImageMeID = aActiveImageID //upgrade state machines inactive ImageId is the new active ImageId
oFsm.imageVersion = aImageVersion
oFsm.commitImage = true
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_STARTED //better choice would be 'UpgradeState=Started'
oFsm.volthaImageState = voltha.ImageState_IMAGE_ACTIVE //as simply applied for active image
oFsm.mutexUpgradeParams.Unlock()
//directly request the FSM to commit the image
_ = pBaseFsm.Event(upgradeEvCommitSw) //no need to call the FSM event in background here
return nil
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm abort: invalid FSM base pointer or state", log.Fields{
"device-id": oFsm.deviceID})
return fmt.Errorf(fmt.Sprintf("OnuUpgradeFsm abort: invalid FSM base pointer or state for device-id: %s", oFsm.deviceID))
}
//GetCommitFlag delivers the commit flag that was configured here
func (oFsm *OnuUpgradeFsm) GetCommitFlag(ctx context.Context) bool {
oFsm.mutexUpgradeParams.RLock()
defer oFsm.mutexUpgradeParams.RUnlock()
return oFsm.commitImage
}
//GetImageStates delivers the download/image states as per device proto buf definition
func (oFsm *OnuUpgradeFsm) GetImageStates(ctx context.Context,
aImageIdentifier string, aVersion string) *voltha.ImageState {
pImageState := &voltha.ImageState{}
pImageState.Version = aVersion //version as requested
// check if the request refers to some active image/version of the processing
oFsm.mutexUpgradeParams.RLock()
if (aImageIdentifier == oFsm.imageIdentifier) || (aVersion == oFsm.imageVersion) {
pImageState.DownloadState = oFsm.volthaDownloadState
pImageState.Reason = oFsm.volthaDownloadReason
pImageState.ImageState = oFsm.volthaImageState
} else {
pImageState.DownloadState = voltha.ImageState_DOWNLOAD_UNKNOWN
pImageState.Reason = voltha.ImageState_NO_ERROR
pImageState.ImageState = voltha.ImageState_IMAGE_UNKNOWN
}
oFsm.mutexUpgradeParams.RUnlock()
return pImageState
}
//GetSpecificImageState delivers ImageState of the download/image states as per device proto buf definition
func (oFsm *OnuUpgradeFsm) GetSpecificImageState(ctx context.Context) voltha.ImageState_ImageActivationState {
oFsm.mutexUpgradeParams.RLock()
imageState := oFsm.volthaImageState
oFsm.mutexUpgradeParams.RUnlock()
return imageState
}
//SetImageStateActive sets the FSM internal volthaImageState to ImageState_IMAGE_ACTIVE
func (oFsm *OnuUpgradeFsm) SetImageStateActive(ctx context.Context) {
oFsm.mutexUpgradeParams.Lock()
defer oFsm.mutexUpgradeParams.Unlock()
oFsm.volthaImageState = voltha.ImageState_IMAGE_ACTIVE
if !oFsm.commitImage {
//if commit is not additionally set, regard the upgrade activity as successful
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_SUCCEEDED //better choice would be 'UpgradeState=Succeeded'
}
}
//GetImageVersion delivers image-version of the running upgrade
func (oFsm *OnuUpgradeFsm) GetImageVersion(ctx context.Context) string {
oFsm.mutexUpgradeParams.RLock()
imageVersion := oFsm.imageVersion
oFsm.mutexUpgradeParams.RUnlock()
return imageVersion
}
//CancelProcessing ensures that suspended processing at waiting on some response is aborted and reset of FSM
func (oFsm *OnuUpgradeFsm) CancelProcessing(ctx context.Context, abCompleteAbort bool,
aReason voltha.ImageState_ImageFailureReason) {
oFsm.mutexAbortRequest.Lock()
oFsm.abortRequested = aReason //possibly abort the sectionDownload loop
oFsm.mutexAbortRequest.Unlock()
//mutex protection is required for possible concurrent access to FSM members
//attention: for an unbuffered channel the sender is blocked until the value is received (processed)!
// accordingly the mutex must be released before sending to channel here (mutex acquired in receiver)
oFsm.mutexIsAwaitingAdapterDlResponse.RLock()
if oFsm.isWaitingForAdapterDlResponse {
oFsm.mutexIsAwaitingAdapterDlResponse.RUnlock()
//use channel to indicate that the download response waiting shall be aborted for this device (channel)
oFsm.chAdapterDlReady <- false
} else {
oFsm.mutexIsAwaitingAdapterDlResponse.RUnlock()
}
//chOnuDlReady is cleared as part of the FSM reset processing (from enterResetting())
// in any case (even if it might be automatically requested by above cancellation of waiting) ensure resetting the FSM
// specific here: See definition of state changes: some states are excluded from reset for possible later commit
pAdaptFsm := oFsm.pAdaptFsm
if pAdaptFsm != nil {
// calling FSM events in background to avoid blocking of the caller
go func(aPAFsm *AdapterFsm) {
if aPAFsm.pFsm != nil {
if aPAFsm.pFsm.Is(upgradeStWaitEndDL) {
oFsm.chReceiveExpectedResponse <- false //which aborts the FSM in WaitEndDL state
}
// in case of state-conditional request the
var err error
if abCompleteAbort {
oFsm.mutexUpgradeParams.Lock()
//any previous lingering conditional cancelRequest is superseded by this abortion
oFsm.conditionalCancelRequested = false
if aReason == voltha.ImageState_CANCELLED_ON_REQUEST {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_CANCELLED
} else {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
}
oFsm.volthaDownloadReason = aReason
oFsm.mutexUpgradeParams.Unlock()
err = aPAFsm.pFsm.Event(upgradeEvAbort) //as unconditional default FSM cancellation
} else {
//at conditional request the image states are set when reaching the reset state
oFsm.conditionalCancelRequested = true
err = aPAFsm.pFsm.Event(upgradeEvReset) //as state-conditional default FSM cleanup
}
if err != nil {
//error return is expected in case of conditional request and no state transition
logger.Debugw(ctx, "onu upgrade fsm could not cancel with abort/reset event", log.Fields{
"device-id": oFsm.deviceID, "error": err})
}
} //else the FSM seems already to be in some released state
}(pAdaptFsm)
}
}
func (oFsm *OnuUpgradeFsm) enterStarting(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm start", log.Fields{"in state": e.FSM.Current(),
"device-id": oFsm.deviceID})
// start go routine for processing of LockState messages
go oFsm.processOmciUpgradeMessages(ctx)
}
//enterWaitingAdapterDL state can only be reached with useAPIVersion43
func (oFsm *OnuUpgradeFsm) enterWaitingAdapterDL(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm waiting for adapter download", log.Fields{"in state": e.FSM.Current(),
"device-id": oFsm.deviceID})
syncChannel := make(chan struct{})
go oFsm.waitOnDownloadToAdapterReady(ctx, syncChannel, oFsm.chAdapterDlReady)
//block until the wait routine is really blocked on chAdapterDlReady
<-syncChannel
go oFsm.pFileManager.RequestDownloadReady(ctx, oFsm.imageIdentifier, oFsm.chAdapterDlReady)
}
func (oFsm *OnuUpgradeFsm) enterPreparingDL(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm prepare Download to Onu", log.Fields{"in state": e.FSM.Current(),
"device-id": oFsm.deviceID})
var fileLen int64
var err error
oFsm.mutexUpgradeParams.Lock()
if oFsm.useAPIVersion43 {
//with the new API structure download to adapter is implicit and we have to wait until the image is available
fileLen, err = oFsm.pFileManager.GetImageBufferLen(ctx, oFsm.imageIdentifier)
} else {
fileLen, err = oFsm.pDownloadManager.getImageBufferLen(ctx, oFsm.pImageDsc.Name, oFsm.pImageDsc.LocalDir)
}
if err != nil || fileLen > int64(cMaxUint32) {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_UNKNOWN_ERROR //something like 'LOCAL_FILE_ERROR' would be better (proto)
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm abort: problems getting image buffer length", log.Fields{
"device-id": oFsm.deviceID, "error": err, "length": fileLen})
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
//copy file content to buffer
oFsm.imageBuffer = make([]byte, fileLen)
if oFsm.useAPIVersion43 {
oFsm.imageBuffer, err = oFsm.pFileManager.GetDownloadImageBuffer(ctx, oFsm.imageIdentifier)
} else {
oFsm.imageBuffer, err = oFsm.pDownloadManager.getDownloadImageBuffer(ctx, oFsm.pImageDsc.Name, oFsm.pImageDsc.LocalDir)
}
if err != nil {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_UNKNOWN_ERROR //something like 'LOCAL_FILE_ERROR' would be better (proto)
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm abort: can't get image buffer", log.Fields{
"device-id": oFsm.deviceID, "error": err})
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
oFsm.noOfSections = uint32(fileLen / cOmciDownloadSectionSize)
if fileLen%cOmciDownloadSectionSize > 0 {
bufferPadding := make([]byte, cOmciDownloadSectionSize-uint32((fileLen)%cOmciDownloadSectionSize))
//expand the imageBuffer to exactly fit multiples of cOmciDownloadSectionSize with padding
oFsm.imageBuffer = append(oFsm.imageBuffer[:(fileLen)], bufferPadding...)
oFsm.noOfSections++
}
oFsm.origImageLength = uint32(fileLen)
oFsm.imageLength = uint32(len(oFsm.imageBuffer))
logger.Infow(ctx, "OnuUpgradeFsm starts with StartSwDl values", log.Fields{
"MeId": oFsm.inactiveImageMeID, "windowSizeLimit": oFsm.omciDownloadWindowSizeLimit,
"ImageSize": oFsm.imageLength, "original file size": fileLen})
//"NumberOfCircuitPacks": oFsm.numberCircuitPacks, "CircuitPacks MeId": 0}) //parallel circuit packs download not supported
oFsm.mutexUpgradeParams.Unlock()
// flush commMetricsChan
select {
case <-oFsm.chOnuDlReady:
logger.Debug(ctx, "flushed OnuDlReady channel")
default:
}
go oFsm.waitOnDownloadToOnuReady(ctx, oFsm.chOnuDlReady) // start supervision of the complete download-to-ONU procedure
err = oFsm.pOmciCC.sendStartSoftwareDownload(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, oFsm.inactiveImageMeID, oFsm.omciDownloadWindowSizeLimit, oFsm.origImageLength)
if err != nil {
logger.Errorw(ctx, "StartSwDl abort: can't send section", log.Fields{
"device-id": oFsm.deviceID, "error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
}
oFsm.isEndSwDlOpen = true
}
func (oFsm *OnuUpgradeFsm) enterDownloadSection(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm start downloading sections", log.Fields{
"device-id": oFsm.deviceID, "absolute window": oFsm.nextDownloadWindow})
var windowAckRequest uint8 = 0
var bufferStartOffset uint32
var bufferEndOffset uint32
var downloadSection []byte
framePrint := false //default no printing of downloadSection frames
oFsm.mutexUpgradeParams.Lock()
if oFsm.nextDownloadSectionsAbsolute == 0 {
//debug print of first section frame
framePrint = true
oFsm.volthaImageState = voltha.ImageState_IMAGE_DOWNLOADING
}
for {
oFsm.mutexAbortRequest.RLock()
// this way out of the section download loop on abort request
if oFsm.abortRequested != voltha.ImageState_NO_ERROR {
if oFsm.abortRequested == voltha.ImageState_CANCELLED_ON_REQUEST {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_CANCELLED
} else {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
}
oFsm.volthaDownloadReason = oFsm.abortRequested
oFsm.mutexAbortRequest.RUnlock()
oFsm.mutexUpgradeParams.Unlock()
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
oFsm.mutexAbortRequest.RUnlock()
bufferStartOffset = oFsm.nextDownloadSectionsAbsolute * cOmciDownloadSectionSize
bufferEndOffset = bufferStartOffset + cOmciDownloadSectionSize - 1 //for representing cOmciDownloadSectionSizeLimit values
logger.Debugw(ctx, "DlSection values are", log.Fields{
"DlSectionNoAbsolute": oFsm.nextDownloadSectionsAbsolute,
"DlSectionWindow": oFsm.nextDownloadSectionsWindow,
"startOffset": bufferStartOffset, "endOffset": bufferEndOffset})
if bufferStartOffset+1 > oFsm.imageLength || bufferEndOffset+1 > oFsm.imageLength { //should never occur in this state
logger.Errorw(ctx, "OnuUpgradeFsm buffer error: exceeded length", log.Fields{
"device-id": oFsm.deviceID, "bufferStartOffset": bufferStartOffset,
"bufferEndOffset": bufferEndOffset, "imageLength": oFsm.imageLength})
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_UNKNOWN_ERROR //something like 'LOCAL_FILE_ERROR' would be better (proto)
oFsm.mutexUpgradeParams.Unlock()
//logical error -- reset the FSM
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
downloadSection = oFsm.imageBuffer[bufferStartOffset : bufferEndOffset+1]
if oFsm.nextDownloadSectionsWindow == oFsm.omciDownloadWindowSizeLimit {
windowAckRequest = 1
logger.Debugw(ctx, "DlSection expect Response for complete window", log.Fields{
"device-id": oFsm.deviceID, "in window": oFsm.nextDownloadWindow})
}
if oFsm.nextDownloadSectionsAbsolute+1 >= oFsm.noOfSections {
windowAckRequest = 1
framePrint = true //debug print of last frame
oFsm.omciDownloadWindowSizeLast = oFsm.nextDownloadSectionsWindow
logger.Infow(ctx, "DlSection expect Response for last window (section)", log.Fields{
"device-id": oFsm.deviceID, "DlSectionNoAbsolute": oFsm.nextDownloadSectionsAbsolute})
}
oFsm.mutexUpgradeParams.Unlock() //unlock here to give other functions some chance to process during/after the send request
err := oFsm.pOmciCC.sendDownloadSection(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, oFsm.inactiveImageMeID, windowAckRequest, oFsm.nextDownloadSectionsWindow, downloadSection, framePrint)
if err != nil {
logger.Errorw(ctx, "DlSection abort: can't send section", log.Fields{
"device-id": oFsm.deviceID, "section absolute": oFsm.nextDownloadSectionsAbsolute, "error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
}
oFsm.mutexUpgradeParams.Lock()
oFsm.nextDownloadSectionsAbsolute++ //always increase the absolute section counter after having sent one
if windowAckRequest == 1 {
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
oFsm.mutexUpgradeParams.Unlock()
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvWaitWindowAck) //state transition to upgradeStVerifyWindow
}(pBaseFsm)
return
}
framePrint = false //for the next Section frame (if wanted, can be enabled in logic before sendXXX())
oFsm.nextDownloadSectionsWindow++ //increase the window related section counter only if not in the last section
if oFsm.omciSectionInterleaveDelay > 0 {
//ensure a defined intersection-time-gap to leave space for further processing, other ONU's ...
oFsm.mutexUpgradeParams.Unlock() //unlock here to give other functions some chance to process during/after the send request
time.Sleep(oFsm.omciSectionInterleaveDelay * time.Millisecond)
oFsm.mutexUpgradeParams.Lock()
}
}
}
func (oFsm *OnuUpgradeFsm) enterVerifyWindow(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm verify DL window ack", log.Fields{
"for window": oFsm.nextDownloadWindow, "device-id": oFsm.deviceID})
}
func (oFsm *OnuUpgradeFsm) enterFinalizeDL(ctx context.Context, e *fsm.Event) {
logger.Infow(ctx, "OnuUpgradeFsm finalize DL", log.Fields{
"device-id": oFsm.deviceID, "crc": strconv.FormatInt(int64(oFsm.imageCRC), 16), "delay": oFsm.delayEndSwDl})
oFsm.mutexUpgradeParams.RLock()
if oFsm.delayEndSwDl {
oFsm.mutexUpgradeParams.RUnlock()
//give the ONU some time for image evaluation (hoping it does not base that on first EndSwDl itself)
// should not be set in case this state is used for real download abort (not yet implemented)
time.Sleep(cOmciEndSwDlDelaySeconds * time.Second)
} else {
oFsm.mutexUpgradeParams.RUnlock()
}
pBaseFsm := oFsm.pAdaptFsm
if pBaseFsm == nil {
logger.Errorw(ctx, "EndSwDl abort: BaseFsm invalid", log.Fields{"device-id": oFsm.deviceID})
oFsm.mutexUpgradeParams.Lock()
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_UNKNOWN_ERROR
oFsm.mutexUpgradeParams.Unlock()
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
err := oFsm.pOmciCC.sendEndSoftwareDownload(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, oFsm.inactiveImageMeID, oFsm.origImageLength, oFsm.imageCRC)
oFsm.isEndSwDlOpen = false // also to be reset in case of OMCI error, as further send attempts would not make sense
if err != nil {
logger.Errorw(ctx, "EndSwDl abort: can't send section", log.Fields{
"device-id": oFsm.deviceID, "error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
}
// go waiting for the EndSwDLResponse and check, if the ONU is ready for activation
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvWaitEndDownload)
}(pBaseFsm)
}
func (oFsm *OnuUpgradeFsm) enterWaitEndDL(ctx context.Context, e *fsm.Event) {
logger.Infow(ctx, "OnuUpgradeFsm WaitEndDl", log.Fields{
"device-id": oFsm.deviceID, "wait delay": oFsm.waitDelayEndSwDl * time.Second, "wait count": oFsm.waitCountEndSwDl})
if oFsm.waitCountEndSwDl == 0 {
logger.Errorw(ctx, "WaitEndDl abort: max limit of EndSwDL reached", log.Fields{
"device-id": oFsm.deviceID})
pBaseFsm := oFsm.pAdaptFsm
if pBaseFsm == nil {
logger.Errorw(ctx, "WaitEndDl abort: BaseFsm invalid", log.Fields{
"device-id": oFsm.deviceID})
return
}
oFsm.mutexUpgradeParams.Lock()
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_IMAGE_REFUSED_BY_ONU //something like 'END_DOWNLOAD_TIMEOUT' would be better (proto)
oFsm.mutexUpgradeParams.Unlock()
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
return
}
oFsm.waitCountEndSwDl--
select {
case <-time.After(oFsm.waitDelayEndSwDl * time.Second):
pBaseFsm := oFsm.pAdaptFsm
if pBaseFsm == nil {
logger.Errorw(ctx, "WaitEndDl abort: BaseFsm invalid", log.Fields{
"device-id": oFsm.deviceID})
//FSM may be reset already from somewhere else, nothing we can do here anymore
return
}
//retry End SW DL
oFsm.mutexUpgradeParams.Lock()
oFsm.delayEndSwDl = false //no more extra delay for the request
oFsm.mutexUpgradeParams.Unlock()
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvContinueFinalize)
}(pBaseFsm)
return
case success := <-oFsm.chReceiveExpectedResponse:
logger.Debugw(ctx, "WaitEndDl stop wait timer", log.Fields{"device-id": oFsm.deviceID})
pBaseFsm := oFsm.pAdaptFsm
if pBaseFsm == nil {
logger.Errorw(ctx, "WaitEndDl abort: BaseFsm invalid", log.Fields{
"device-id": oFsm.deviceID})
//FSM may be reset already from somewhere else, nothing we can do here anymore
return
}
if success {
//answer received with ready indication
//useAPIVersion43 may not conflict in concurrency in this state function
if oFsm.useAPIVersion43 { // newer API usage requires verification of downloaded image version
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvCheckImageName)
}(pBaseFsm)
} else { // elder API usage does not support image version check -immediately consider download as successful
if oFsm.activateImage {
//immediate activation requested
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvRequestActivate)
}(pBaseFsm)
} else {
//have to wait on explicit activation request
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvWaitForActivate)
}(pBaseFsm)
}
}
return
}
//timer was aborted
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
}
}
func (oFsm *OnuUpgradeFsm) enterCheckImageName(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm checking downloaded image name", log.Fields{
"device-id": oFsm.deviceID, "me-id": oFsm.inactiveImageMeID})
requestedAttributes := me.AttributeValueMap{"IsCommitted": 0, "IsActive": 0, "Version": ""}
meInstance, err := oFsm.pOmciCC.sendGetMe(log.WithSpanFromContext(context.Background(), ctx),
me.SoftwareImageClassID, oFsm.inactiveImageMeID, requestedAttributes, oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout,
false, oFsm.pAdaptFsm.commChan)
if err != nil {
logger.Errorw(ctx, "OnuUpgradeFsm get Software Image ME result error",
log.Fields{"device-id": oFsm.deviceID, "Error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
}
oFsm.pLastTxMeInstance = meInstance
}
func (oFsm *OnuUpgradeFsm) enterActivateSw(ctx context.Context, e *fsm.Event) {
logger.Infow(ctx, "OnuUpgradeFsm activate SW", log.Fields{
"device-id": oFsm.deviceID, "me-id": oFsm.inactiveImageMeID})
err := oFsm.pOmciCC.sendActivateSoftware(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, oFsm.inactiveImageMeID)
if err != nil {
logger.Errorw(ctx, "ActivateSw abort: can't send activate frame", log.Fields{
"device-id": oFsm.deviceID, "error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_ACTIVATION_ABORTED)
return
}
oFsm.mutexUpgradeParams.Lock()
oFsm.volthaImageState = voltha.ImageState_IMAGE_ACTIVATING
oFsm.mutexUpgradeParams.Unlock()
}
func (oFsm *OnuUpgradeFsm) enterCommitSw(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm start commit SW", log.Fields{
"device-id": oFsm.deviceID, "me-id": oFsm.inactiveImageMeID})
//any abort request (also conditional) is still regarded as valid as the commit indication might not be possible to verify
// (which is a bit problematic as the ONU might already be in committed state,
// in this case (committing failed) always 'onuimage list' should be used to verify the real state (if ONU is reachable))
if activeImageID, err := oFsm.pDevEntry.GetActiveImageMeID(ctx); err == nil {
oFsm.mutexUpgradeParams.Lock()
if activeImageID == oFsm.inactiveImageMeID {
inactiveImageID := oFsm.inactiveImageMeID
logger.Infow(ctx, "OnuUpgradeFsm commit SW", log.Fields{
"device-id": oFsm.deviceID, "me-id": inactiveImageID}) //more efficient activeImageID with above check
oFsm.volthaImageState = voltha.ImageState_IMAGE_COMMITTING
oFsm.mutexUpgradeParams.Unlock()
err := oFsm.pOmciCC.sendCommitSoftware(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, inactiveImageID) //more efficient activeImageID with above check
if err != nil {
logger.Errorw(ctx, "CommitSw abort: can't send commit sw frame", log.Fields{
"device-id": oFsm.deviceID, "error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
return
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm active ImageId <> IdToCommit", log.Fields{
"device-id": oFsm.deviceID, "active ID": activeImageID, "to commit ID": oFsm.inactiveImageMeID})
} else {
logger.Errorw(ctx, "OnuUpgradeFsm can't commit, no valid active image", log.Fields{
"device-id": oFsm.deviceID})
}
oFsm.mutexUpgradeParams.Lock()
oFsm.conditionalCancelRequested = false //any lingering conditional cancelRequest is superseded by this error
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE
oFsm.volthaImageState = voltha.ImageState_IMAGE_COMMIT_ABORTED
oFsm.mutexUpgradeParams.Unlock()
//TODO!!!: possibly send event information for aborted upgrade (aborted by omci processing)??
pBaseFsm := oFsm.pAdaptFsm
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
_ = a_pAFsm.pFsm.Event(upgradeEvAbort)
}(pBaseFsm)
}
func (oFsm *OnuUpgradeFsm) enterCheckCommitted(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm checking committed SW", log.Fields{
"device-id": oFsm.deviceID, "me-id": oFsm.inactiveImageMeID})
requestedAttributes := me.AttributeValueMap{"IsCommitted": 0, "IsActive": 0, "Version": ""}
meInstance, err := oFsm.pOmciCC.sendGetMe(log.WithSpanFromContext(context.Background(), ctx),
me.SoftwareImageClassID, oFsm.inactiveImageMeID, requestedAttributes, oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false, oFsm.pAdaptFsm.commChan)
if err != nil {
logger.Errorw(ctx, "OnuUpgradeFsm get Software Image ME result error",
log.Fields{"device-id": oFsm.deviceID, "Error": err})
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
oFsm.pLastTxMeInstance = meInstance
}
func (oFsm *OnuUpgradeFsm) enterResetting(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm resetting", log.Fields{"device-id": oFsm.deviceID})
// if the reset was conditionally requested
if oFsm.conditionalCancelRequested {
oFsm.mutexUpgradeParams.Lock()
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE
oFsm.mutexUpgradeParams.Unlock()
}
// in case the download-to-ONU timer is still running - cancel it
//use non-blocking channel (to be independent from receiver state)
select {
//use channel to indicate that the download response waiting shall be aborted for this device (channel)
case oFsm.chOnuDlReady <- false:
default:
}
pConfigupgradeStateAFsm := oFsm.pAdaptFsm
if pConfigupgradeStateAFsm != nil {
var nextEvent string
if oFsm.isEndSwDlOpen {
nextEvent = upgradeEvAbortSwDownload
} else {
nextEvent = upgradeEvRestart
}
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm != nil && a_pAFsm.pFsm != nil {
_ = a_pAFsm.pFsm.Event(nextEvent)
}
}(pConfigupgradeStateAFsm)
}
}
func (oFsm *OnuUpgradeFsm) enterAbortingDL(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm aborting download to ONU", log.Fields{"device-id": oFsm.deviceID})
pBaseFsm := oFsm.pAdaptFsm
if pBaseFsm == nil {
logger.Errorw(ctx, "OnuUpgradeFsm aborting download: BaseFsm invalid", log.Fields{"device-id": oFsm.deviceID})
return
}
// abort the download operation by sending an end software download message with invalid CRC and image size
err := oFsm.pOmciCC.sendEndSoftwareDownload(log.WithSpanFromContext(context.Background(), ctx), oFsm.pDeviceHandler.pOpenOnuAc.omciTimeout, false,
oFsm.pAdaptFsm.commChan, oFsm.inactiveImageMeID, 0, 0xFFFFFFFF)
oFsm.isEndSwDlOpen = false // also to be reset in case of OMCI error, as further send attempts would not make sense
if err != nil {
logger.Errorw(ctx, "OnuUpgradeFsm aborting download: can't send EndSwDl request", log.Fields{"device-id": oFsm.deviceID})
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm != nil && a_pAFsm.pFsm != nil {
_ = a_pAFsm.pFsm.Event(upgradeEvRestart)
}
}(pBaseFsm)
return
}
select {
case <-time.After(oFsm.pOmciCC.GetMaxOmciTimeoutWithRetries() * time.Second):
logger.Warnw(ctx, "OnuUpgradeFsm aborting download: timeout - no response received", log.Fields{"device-id": oFsm.deviceID})
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm != nil && a_pAFsm.pFsm != nil {
_ = a_pAFsm.pFsm.Event(upgradeEvRestart)
}
}(pBaseFsm)
return
case <-oFsm.chReceiveAbortEndSwDlResponse:
logger.Debug(ctx, "OnuUpgradeFsm aborting download: response received")
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm != nil && a_pAFsm.pFsm != nil {
_ = a_pAFsm.pFsm.Event(upgradeEvRestart)
}
}(pBaseFsm)
return
}
}
func (oFsm *OnuUpgradeFsm) enterRestarting(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm restarting", log.Fields{"device-id": oFsm.deviceID})
pConfigupgradeStateAFsm := oFsm.pAdaptFsm
if pConfigupgradeStateAFsm != nil {
// abort running message processing
fsmAbortMsg := Message{
Type: TestMsg,
Data: TestMessage{
TestMessageVal: AbortMessageProcessing,
},
}
pConfigupgradeStateAFsm.commChan <- fsmAbortMsg
//try to restart the FSM to 'disabled'
// Can't call FSM Event directly, decoupling it
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm != nil && a_pAFsm.pFsm != nil {
_ = a_pAFsm.pFsm.Event(upgradeEvDisable)
}
}(pConfigupgradeStateAFsm)
}
}
func (oFsm *OnuUpgradeFsm) enterDisabled(ctx context.Context, e *fsm.Event) {
logger.Debugw(ctx, "OnuUpgradeFsm enters disabled state", log.Fields{"device-id": oFsm.deviceID})
// no need to flush possible channels here, Upgrade FSM will be completely removed, garbage collector should find its way
if oFsm.pDeviceHandler != nil {
//request removal of 'reference' in the Handler (completely clear the FSM and its data)
pLastUpgradeImageState := &voltha.ImageState{
Version: oFsm.imageVersion,
DownloadState: oFsm.volthaDownloadState,
Reason: oFsm.volthaDownloadReason,
ImageState: oFsm.volthaImageState,
}
go oFsm.pDeviceHandler.removeOnuUpgradeFsm(ctx, pLastUpgradeImageState)
}
}
func (oFsm *OnuUpgradeFsm) processOmciUpgradeMessages(ctx context.Context) { //ctx context.Context?
logger.Debugw(ctx, "Start OnuUpgradeFsm Msg processing", log.Fields{"for device-id": oFsm.deviceID})
loop:
for {
// case <-ctx.Done():
// logger.Info(ctx,"MibSync Msg", log.Fields{"Message handling canceled via context for device-id": oFsm.deviceID})
// break loop
message, ok := <-oFsm.pAdaptFsm.commChan
if !ok {
logger.Info(ctx, "OnuUpgradeFsm Rx Msg - could not read from channel", log.Fields{"device-id": oFsm.deviceID})
// but then we have to ensure a restart of the FSM as well - as exceptional procedure
oFsm.abortOnOmciError(ctx, true, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
break loop
}
logger.Debugw(ctx, "OnuUpgradeFsm Rx Msg", log.Fields{"device-id": oFsm.deviceID})
switch message.Type {
case TestMsg:
msg, _ := message.Data.(TestMessage)
if msg.TestMessageVal == AbortMessageProcessing {
logger.Infow(ctx, "OnuUpgradeFsm abort ProcessMsg", log.Fields{"for device-id": oFsm.deviceID})
break loop
}
logger.Warnw(ctx, "OnuUpgradeFsm unknown TestMessage", log.Fields{"device-id": oFsm.deviceID, "MessageVal": msg.TestMessageVal})
case OMCI:
msg, _ := message.Data.(OmciMessage)
oFsm.handleOmciOnuUpgradeMessage(ctx, msg)
default:
logger.Warn(ctx, "OnuUpgradeFsm Rx unknown message", log.Fields{"device-id": oFsm.deviceID,
"message.Type": message.Type})
}
}
logger.Infow(ctx, "End OnuUpgradeFsm Msg processing", log.Fields{"device-id": oFsm.deviceID})
}
//nolint: gocyclo
func (oFsm *OnuUpgradeFsm) handleOmciOnuUpgradeMessage(ctx context.Context, msg OmciMessage) {
logger.Debugw(ctx, "Rx OMCI OnuUpgradeFsm Msg", log.Fields{"device-id": oFsm.deviceID,
"msgType": msg.OmciMsg.MessageType})
switch msg.OmciMsg.MessageType {
case omci.StartSoftwareDownloadResponseType:
{
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeStartSoftwareDownloadResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for StartSwDlResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
msgObj, msgOk := msgLayer.(*omci.StartSoftwareDownloadResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for StartSwDlResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm StartSwDlResponse data", log.Fields{
"device-id": oFsm.deviceID, "data-fields": msgObj})
if msgObj.Result != me.Success {
logger.Errorw(ctx, "OnuUpgradeFsm StartSwDlResponse result error - later: drive FSM to abort state ?",
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
oFsm.mutexUpgradeParams.Lock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID {
logger.Debugw(ctx, "Expected StartSwDlResponse received", log.Fields{"device-id": oFsm.deviceID})
if msgObj.WindowSize != oFsm.omciDownloadWindowSizeLimit {
// also response WindowSize = 0 is a valid number for used Window size 1
logger.Debugw(ctx, "different StartSwDlResponse window size requested by ONU", log.Fields{
"acceptedOnuWindowSizeLimit": msgObj.WindowSize, "device-id": oFsm.deviceID})
oFsm.omciDownloadWindowSizeLimit = msgObj.WindowSize
}
oFsm.noOfWindows = oFsm.noOfSections / uint32(oFsm.omciDownloadWindowSizeLimit+1)
if oFsm.noOfSections%uint32(oFsm.omciDownloadWindowSizeLimit+1) > 0 {
oFsm.noOfWindows++
}
logger.Debugw(ctx, "OnuUpgradeFsm will use", log.Fields{
"windows": oFsm.noOfWindows, "sections": oFsm.noOfSections,
"at WindowSizeLimit": oFsm.omciDownloadWindowSizeLimit})
oFsm.nextDownloadSectionsAbsolute = 0
oFsm.nextDownloadSectionsWindow = 0
oFsm.nextDownloadWindow = 0
oFsm.mutexUpgradeParams.Unlock()
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvRxStartSwDownload)
return
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm StartSwDlResponse wrong ME instance: try again (later)?",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
} //StartSoftwareDownloadResponseType
case omci.DownloadSectionResponseType:
{
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeDownloadSectionResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for DlSectionResponse",
log.Fields{"device-id": oFsm.deviceID, "omci-message": msg.OmciMsg})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
msgObj, msgOk := msgLayer.(*omci.DownloadSectionResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for DlSectionResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm DlSectionResponse Data", log.Fields{
"device-id": oFsm.deviceID, "data-fields": msgObj})
if msgObj.Result != me.Success {
logger.Errorw(ctx, "OnuUpgradeFsm DlSectionResponse result error - later: repeat window once?", //TODO!!!
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
oFsm.mutexUpgradeParams.Lock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID {
sectionNumber := msgObj.SectionNumber
logger.Infow(ctx, "DlSectionResponse received", log.Fields{
"window section-number": sectionNumber, "window": oFsm.nextDownloadWindow, "device-id": oFsm.deviceID})
oFsm.nextDownloadWindow++
if oFsm.nextDownloadWindow >= oFsm.noOfWindows {
if sectionNumber != oFsm.omciDownloadWindowSizeLast {
logger.Errorw(ctx, "OnuUpgradeFsm DlSectionResponse section error last window - later: repeat window once?", //TODO!!!
log.Fields{"device-id": oFsm.deviceID, "actual section": sectionNumber,
"expected section": oFsm.omciDownloadWindowSizeLast})
oFsm.mutexUpgradeParams.Unlock()
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
oFsm.delayEndSwDl = true //ensure a delay for the EndSwDl message
//CRC computation for all data bytes of the file
imageCRC := crc32a.Checksum(oFsm.imageBuffer[:int(oFsm.origImageLength)]) //store internal for multiple usage
//revert the retrieved CRC Byte Order (seems not to deliver NetworkByteOrder)
var byteSlice []byte = make([]byte, 4)
binary.LittleEndian.PutUint32(byteSlice, uint32(imageCRC))
oFsm.imageCRC = binary.BigEndian.Uint32(byteSlice)
oFsm.mutexUpgradeParams.Unlock()
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvEndSwDownload)
return
}
if sectionNumber != oFsm.omciDownloadWindowSizeLimit {
logger.Errorw(ctx, "OnuUpgradeFsm DlSectionResponse section error - later: repeat window once?", //TODO!!!
log.Fields{"device-id": oFsm.deviceID, "actual-section": sectionNumber,
"expected section": oFsm.omciDownloadWindowSizeLimit})
oFsm.mutexUpgradeParams.Unlock()
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
oFsm.nextDownloadSectionsWindow = 0
oFsm.mutexUpgradeParams.Unlock()
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvContinueNextWindow)
return
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm Omci StartSwDlResponse wrong ME instance: try again (later)?",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
} //DownloadSectionResponseType
case omci.EndSoftwareDownloadResponseType:
{
if oFsm.pAdaptFsm.pFsm.Is(upgradeStAbortingDL) {
// calling FSM events in background to avoid blocking of the caller
go func(aPAFsm *AdapterFsm) {
oFsm.chReceiveAbortEndSwDlResponse <- true
}(oFsm.pAdaptFsm)
return
}
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeEndSoftwareDownloadResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for EndSwDlResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
msgObj, msgOk := msgLayer.(*omci.EndSoftwareDownloadResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for EndSwDlResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm EndSwDlResponse data", log.Fields{
"device-id": oFsm.deviceID, "data-fields": msgObj})
if msgObj.Result != me.Success {
if msgObj.Result == me.DeviceBusy {
//ONU indicates it is still processing the image - let the FSM just wait and then repeat the request
logger.Debugw(ctx, "OnuUpgradeFsm EndSwDlResponse busy: waiting before sending new request", log.Fields{
"device-id": oFsm.deviceID})
return
}
logger.Errorw(ctx, "OnuUpgradeFsm EndSwDlResponse result error - later: drive FSM to abort state ?",
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
}
oFsm.mutexUpgradeParams.Lock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID {
//EndSwDownloadSuccess is used to indicate 'DOWNLOAD_SUCCEEDED'
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_SUCCEEDED
if !oFsm.useAPIVersion43 {
//in the older API version the image version check was not possible
// - assume new loaded image as valid-inactive immediately
oFsm.volthaImageState = voltha.ImageState_IMAGE_INACTIVE
oFsm.mutexUpgradeParams.Unlock()
//use non-blocking channel (to be independent from receiver state)
select {
//use non-blocking channel to indicate that the download to ONU was successful
case oFsm.chOnuDlReady <- true:
default:
}
} else {
oFsm.mutexUpgradeParams.Unlock()
}
logger.Debugw(ctx, "Expected EndSwDlResponse received", log.Fields{"device-id": oFsm.deviceID})
//use non-blocking channel to let the FSM proceed from the waitState
select {
case oFsm.chReceiveExpectedResponse <- true:
default:
}
return
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm StartSwDlResponse wrong ME instance: try again (later)?",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_DOWNLOADING)
return
} //EndSoftwareDownloadResponseType
case omci.ActivateSoftwareResponseType:
{
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeActivateSoftwareResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for ActivateSw",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_ACTIVATION_ABORTED)
return
}
msgObj, msgOk := msgLayer.(*omci.ActivateSoftwareResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for ActivateSw",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_ACTIVATION_ABORTED)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm ActivateSwResponse data", log.Fields{
"device-id": oFsm.deviceID, "data-fields": msgObj})
if msgObj.Result != me.Success {
logger.Errorw(ctx, "OnuUpgradeFsm ActivateSwResponse result error - later: drive FSM to abort state ?",
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_ACTIVATION_ABORTED)
return
}
oFsm.mutexUpgradeParams.Lock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID {
// the image is regarded as active really only after ONU reboot and according indication (ONU down/up procedure)
oFsm.mutexUpgradeParams.Unlock()
logger.Infow(ctx, "Expected ActivateSwResponse received",
log.Fields{"device-id": oFsm.deviceID, "commit": oFsm.commitImage})
if oFsm.commitImage {
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvWaitForCommit)
} else {
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvActivationDone) // let the FSM wait for external commit request
}
return
}
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm ActivateSwResponse wrong ME instance: abort",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_ACTIVATION_ABORTED)
return
} //ActivateSoftwareResponseType
case omci.CommitSoftwareResponseType:
{
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeCommitSoftwareResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for CommitResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
msgObj, msgOk := msgLayer.(*omci.CommitSoftwareResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for CommitResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
if msgObj.Result != me.Success {
logger.Errorw(ctx, "OnuUpgradeFsm SwImage CommitResponse result error - later: drive FSM to abort state ?",
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
oFsm.mutexUpgradeParams.RLock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID {
oFsm.mutexUpgradeParams.RUnlock()
logger.Debugw(ctx, "OnuUpgradeFsm Expected SwImage CommitResponse received", log.Fields{"device-id": oFsm.deviceID})
//verifying committed image
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvCheckCommitted)
return
}
oFsm.mutexUpgradeParams.RUnlock()
logger.Errorw(ctx, "OnuUpgradeFsm SwImage CommitResponse wrong ME instance: abort",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
} //CommitSoftwareResponseType
case omci.GetResponseType:
{
msgLayer := (*msg.OmciPacket).Layer(omci.LayerTypeGetResponse)
if msgLayer == nil {
logger.Errorw(ctx, "Omci Msg layer could not be detected for SwImage GetResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
msgObj, msgOk := msgLayer.(*omci.GetResponse)
if !msgOk {
logger.Errorw(ctx, "Omci Msg layer could not be assigned for SwImage GetResponse",
log.Fields{"device-id": oFsm.deviceID})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm SwImage GetResponse data", log.Fields{
"device-id": oFsm.deviceID, "data-fields": msgObj})
if msgObj.EntityClass == oFsm.pLastTxMeInstance.GetClassID() &&
msgObj.EntityInstance == oFsm.pLastTxMeInstance.GetEntityID() {
if msgObj.Result != me.Success {
logger.Errorw(ctx, "OnuUpgradeFsm SwImage GetResponse result error - later: drive FSM to abort state ?",
log.Fields{"device-id": oFsm.deviceID, "Error": msgObj.Result})
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_COMMIT_ABORTED)
return
}
} else {
logger.Warnw(ctx, "OnuUpgradeFsm SwImage unexpected Entity GetResponse data - ignore",
log.Fields{"device-id": oFsm.deviceID})
return
}
meAttributes := msgObj.Attributes
imageIsCommitted := meAttributes["IsCommitted"].(uint8)
imageIsActive := meAttributes["IsActive"].(uint8)
imageVersion := TrimStringFromMeOctet(meAttributes["Version"])
logger.Debugw(ctx, "OnuUpgradeFsm - GetResponse Data for SoftwareImage",
log.Fields{"device-id": oFsm.deviceID, "entityID": msgObj.EntityInstance,
"version": imageVersion, "isActive": imageIsActive, "isCommitted": imageIsCommitted})
if oFsm.pAdaptFsm.pFsm.Current() == upgradeStCheckImageName {
//image name check after EndSwDownload, this state (and block) can only be taken if APIVersion43 is used
oFsm.mutexUpgradeParams.Lock()
if msgObj.EntityInstance == oFsm.inactiveImageMeID && imageIsActive == swIsInactive &&
imageIsCommitted == swIsUncommitted {
if imageVersion != oFsm.imageVersion {
//new stored inactive version indicated on OMCI from ONU is not the expected version
logger.Errorw(ctx, "OnuUpgradeFsm SwImage GetResponse version indication not matching requested upgrade",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance,
"onu-version": imageVersion, "expected-version": oFsm.imageVersion})
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED //not the expected image was downloaded
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE //something like 'UNEXPECTED_VERSION' would be better - proto def
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN //something like 'DOWNLOADED' would be better - proto def
oFsm.mutexUpgradeParams.Unlock()
//stop the running ONU download timer
//use non-blocking channel (to be independent from receiver state)
select {
//use channel to indicate that the download response waiting shall be aborted for this device (channel)
case oFsm.chOnuDlReady <- false:
default:
}
// TODO!!!: error treatment?
//TODO!!!: possibly send event information for aborted upgrade (aborted by wrong version)?
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
return
}
//with APIVersion43 this is the point to consider the newly loaded image as valid (and inactive)
oFsm.volthaImageState = voltha.ImageState_IMAGE_INACTIVE
//store the new inactive version to onuSwImageIndications (to keep them in sync)
oFsm.pDevEntry.modifySwImageInactiveVersion(ctx, oFsm.imageVersion)
//proceed within upgrade FSM
if oFsm.activateImage {
//immediate activation requested
oFsm.mutexUpgradeParams.Unlock()
logger.Debugw(ctx, "OnuUpgradeFsm - expected ONU image version indicated by the ONU, continue with activation",
log.Fields{"device-id": oFsm.deviceID})
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvRequestActivate)
} else {
//have to wait on explicit activation request
// but a previously requested download activity (without activation) was successful here
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_SUCCEEDED
oFsm.mutexUpgradeParams.Unlock()
logger.Infow(ctx, "OnuUpgradeFsm - expected ONU image version indicated by the ONU, wait for activate request",
log.Fields{"device-id": oFsm.deviceID})
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvWaitForActivate)
}
//use non-blocking channel (to be independent from receiver state)
select {
//use non-blocking channel to indicate that the download to ONU was successful
case oFsm.chOnuDlReady <- true:
default:
}
return
}
//not the expected image/image state
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN //real image state not known
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm SwImage GetResponse indications not matching requested upgrade",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
// TODO!!!: error treatment?
//TODO!!!: possibly send event information for aborted upgrade (aborted by ONU state indication)?
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
return
}
//assumed only relevant state here is upgradeStCheckCommitted
oFsm.mutexUpgradeParams.Lock()
oFsm.conditionalCancelRequested = false //getting here any set (conditional) cancelRequest is not relevant anymore
if msgObj.EntityInstance == oFsm.inactiveImageMeID && imageIsActive == swIsActive {
//a check on the delivered image version is not done, the ONU delivered version might be different from what might have been
// indicated in the download image version string (version must be part of the image content itself)
// so checking that might be quite unreliable
//but with new API this was changed, assumption is that omci image version is known at download request and exactly that is used
// in all the API references, so it can and should be checked here now
if oFsm.useAPIVersion43 {
if imageVersion != oFsm.imageVersion {
//new active version indicated on OMCI from ONU is not the expected version
logger.Errorw(ctx, "OnuUpgradeFsm image-version not matching the requested upgrade",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance,
"onu-version": imageVersion, "expected-version": oFsm.imageVersion})
// TODO!!!: error treatment?
//TODO!!!: possibly send event information for aborted upgrade (aborted by wrong version)?
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED //not the expected image was committed
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE //something like 'UNEXPECTED_VERSION' would be better - proto def
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN //expected image not known
oFsm.mutexUpgradeParams.Unlock()
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
return
}
logger.Debugw(ctx, "OnuUpgradeFsm - expected ONU image version indicated by the ONU",
log.Fields{"device-id": oFsm.deviceID})
}
if imageIsCommitted == swIsCommitted {
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_SUCCEEDED
oFsm.volthaImageState = voltha.ImageState_IMAGE_COMMITTED
//store the new commit flag to onuSwImageIndications (to keep them in sync)
oFsm.pDevEntry.modifySwImageActiveCommit(ctx, imageIsCommitted)
logger.Infow(ctx, "requested SW image committed, releasing OnuUpgrade", log.Fields{"device-id": oFsm.deviceID})
//deviceProcStatusUpdate not used anymore,
// replaced by transferring the last (more) upgrade state information within removeOnuUpgradeFsm
oFsm.mutexUpgradeParams.Unlock()
//releasing the upgrade FSM on success
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
return
}
//if not committed, abort upgrade as failed. There is no implementation here that would trigger this test again
}
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_CANCELLED_ON_ONU_STATE
oFsm.volthaImageState = voltha.ImageState_IMAGE_COMMIT_ABORTED
oFsm.mutexUpgradeParams.Unlock()
logger.Errorw(ctx, "OnuUpgradeFsm SwImage GetResponse indications not matching requested upgrade",
log.Fields{"device-id": oFsm.deviceID, "ResponseMeId": msgObj.EntityInstance})
// TODO!!!: error treatment?
//TODO!!!: possibly send event information for aborted upgrade (aborted by omci processing)??
_ = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
return
} //GetResponseType
default:
{
logger.Errorw(ctx, "Rx OMCI unhandled MsgType",
log.Fields{"omciMsgType": msg.OmciMsg.MessageType, "device-id": oFsm.deviceID})
return
}
}
}
//abortOnOmciError aborts the upgrade processing with OMCI_TRANSFER_ERROR indication
func (oFsm *OnuUpgradeFsm) abortOnOmciError(ctx context.Context, aAsync bool,
aImageState voltha.ImageState_ImageActivationState) {
oFsm.mutexUpgradeParams.Lock()
oFsm.conditionalCancelRequested = false //any conditional cancelRequest is superseded by this abortion
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_OMCI_TRANSFER_ERROR
if aImageState != voltha.ImageState_IMAGE_UNKNOWN {
// update image state only in case some explicite state is given (otherwise the existing state is used)
oFsm.volthaImageState = aImageState
}
oFsm.mutexUpgradeParams.Unlock()
//TODO!!!: possibly send event information for aborted upgrade (aborted by omci processing)??
if oFsm.pAdaptFsm != nil {
var err error
if aAsync { //asynchronous call requested to ensure state transition
go func(a_pAFsm *AdapterFsm) {
if a_pAFsm.pFsm != nil {
err = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
}
}(oFsm.pAdaptFsm)
} else {
if oFsm.pAdaptFsm.pFsm != nil {
err = oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
}
}
if err != nil {
logger.Warnw(ctx, "onu upgrade fsm could not abort on omci error", log.Fields{
"device-id": oFsm.deviceID, "error": err})
}
}
}
//waitOnDownloadToAdapterReady state can only be reached with useAPIVersion43 (usage of pFileManager)
// precondition: mutexIsAwaitingAdapterDlResponse is lockek on call
func (oFsm *OnuUpgradeFsm) waitOnDownloadToAdapterReady(ctx context.Context, aSyncChannel chan<- struct{},
aWaitChannel chan bool) {
oFsm.mutexIsAwaitingAdapterDlResponse.Lock()
downloadToAdapterTimeout := oFsm.pFileManager.GetDownloadTimeout(ctx)
oFsm.isWaitingForAdapterDlResponse = true
oFsm.mutexIsAwaitingAdapterDlResponse.Unlock()
aSyncChannel <- struct{}{}
select {
// maybe be also some outside cancel (but no context modeled for the moment ...)
// case <-ctx.Done():
// logger.Infow("OnuUpgradeFsm-waitOnDownloadToAdapterReady canceled", log.Fields{"for device-id": oFsm.deviceID})
case <-time.After(downloadToAdapterTimeout): //10s should be enough for downloading some image to the adapter
logger.Warnw(ctx, "OnuUpgradeFsm Waiting-adapter-download timeout", log.Fields{
"for device-id": oFsm.deviceID, "image-id": oFsm.imageIdentifier, "timeout": downloadToAdapterTimeout})
oFsm.pFileManager.RemoveReadyRequest(ctx, oFsm.imageIdentifier, aWaitChannel)
//running into timeout here may still have the download to adapter active -> abort
oFsm.pFileManager.CancelDownload(ctx, oFsm.imageIdentifier)
oFsm.mutexIsAwaitingAdapterDlResponse.Lock()
oFsm.isWaitingForAdapterDlResponse = false
oFsm.mutexIsAwaitingAdapterDlResponse.Unlock()
oFsm.mutexUpgradeParams.Lock()
oFsm.conditionalCancelRequested = false //any conditional cancelRequest is superseded by this abortion
oFsm.volthaDownloadState = voltha.ImageState_DOWNLOAD_FAILED
oFsm.volthaDownloadReason = voltha.ImageState_UNKNOWN_ERROR //something like 'DOWNLOAD_TO_ADAPTER_TIMEOUT' would be better (proto)
oFsm.volthaImageState = voltha.ImageState_IMAGE_UNKNOWN //something like 'IMAGE_DOWNLOAD_ABORTED' would be better (proto)
oFsm.mutexUpgradeParams.Unlock()
//TODO!!!: possibly send event information for aborted upgrade (aborted by omci processing)??
if oFsm.pAdaptFsm != nil && oFsm.pAdaptFsm.pFsm != nil {
err := oFsm.pAdaptFsm.pFsm.Event(upgradeEvAbort)
if err != nil {
logger.Warnw(ctx, "onu upgrade fsm could not abort on omci error", log.Fields{
"device-id": oFsm.deviceID, "error": err})
}
}
return
case success := <-aWaitChannel:
if success {
logger.Debugw(ctx, "OnuUpgradeFsm image-downloaded received", log.Fields{"device-id": oFsm.deviceID})
oFsm.mutexIsAwaitingAdapterDlResponse.Lock()
oFsm.isWaitingForAdapterDlResponse = false
oFsm.mutexIsAwaitingAdapterDlResponse.Unlock()
//let the upgrade process proceed
pUpgradeFsm := oFsm.pAdaptFsm
if pUpgradeFsm != nil {
_ = pUpgradeFsm.pFsm.Event(upgradeEvPrepareSwDownload)
} else {
logger.Errorw(ctx, "pUpgradeFsm is nil", log.Fields{"device-id": oFsm.deviceID})
}
return
}
// waiting was aborted (assumed here to be caused by
// error detection or cancel at download after upgrade FSM reset/abort with according image states set there)
logger.Debugw(ctx, "OnuUpgradeFsm Waiting-adapter-download aborted", log.Fields{"device-id": oFsm.deviceID})
oFsm.pFileManager.RemoveReadyRequest(ctx, oFsm.imageIdentifier, aWaitChannel)
oFsm.mutexIsAwaitingAdapterDlResponse.Lock()
oFsm.isWaitingForAdapterDlResponse = false
oFsm.mutexIsAwaitingAdapterDlResponse.Unlock()
return
}
}
//waitOnDownloadToOnuReady state can only be reached with useAPIVersion43 (usage of pFileManager)
func (oFsm *OnuUpgradeFsm) waitOnDownloadToOnuReady(ctx context.Context, aWaitChannel chan bool) {
downloadToOnuTimeout := time.Duration(1+(oFsm.imageLength/0x400000)) * oFsm.downloadToOnuTimeout4MB
logger.Debugw(ctx, "OnuUpgradeFsm start download-to-ONU timer", log.Fields{"device-id": oFsm.deviceID,
"duration": downloadToOnuTimeout})
select {
// maybe be also some outside cancel (but no context modeled for the moment ...)
// case <-ctx.Done():
// logger.Infow("OnuUpgradeFsm-waitOnDownloadToOnuReady canceled", log.Fields{"for device-id": oFsm.deviceID})
case <-time.After(downloadToOnuTimeout): //using an image-size depending timout (in minutes)
logger.Warnw(ctx, "OnuUpgradeFsm Waiting-ONU-download timeout", log.Fields{
"for device-id": oFsm.deviceID, "image-id": oFsm.imageIdentifier, "timeout": downloadToOnuTimeout})
//the upgrade process has to be aborted
oFsm.abortOnOmciError(ctx, false, voltha.ImageState_IMAGE_UNKNOWN) //no ImageState update
return
case success := <-aWaitChannel:
if success {
logger.Debugw(ctx, "OnuUpgradeFsm image-downloaded on ONU received", log.Fields{"device-id": oFsm.deviceID})
//all fine, let the FSM proceed like defined from the sender of this event
return
}
// waiting was aborted (assumed here to be caused by
// error detection or cancel at download after upgrade FSM reset/abort with according image states set there)
logger.Debugw(ctx, "OnuUpgradeFsm Waiting-ONU-download aborted", log.Fields{"device-id": oFsm.deviceID})
return
}
}