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* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
//Package adaptercoreonu provides the utility for onu devices, flows and statistics
package adaptercoreonu
import (
gp ""
me ""
//ic ""
//omciTestRequest structure holds the information for the OMCI test
type omciTestRequest struct {
deviceID string
pDevOmciCC *omciCC
started bool
result bool
exclusiveCc bool
allowFailure bool
txSeqNo uint16
verifyDone chan<- bool
//newOmciTestRequest returns a new instance of OmciTestRequest
func newOmciTestRequest(ctx context.Context,
deviceID string, omciCc *omciCC,
exclusive bool, allowFailure bool) *omciTestRequest {
logger.Debug(ctx, "omciTestRequest-init")
var omciTestRequest omciTestRequest
omciTestRequest.deviceID = deviceID
omciTestRequest.pDevOmciCC = omciCc
omciTestRequest.started = false
omciTestRequest.result = false
omciTestRequest.exclusiveCc = exclusive
omciTestRequest.allowFailure = allowFailure
return &omciTestRequest
func (oo *omciTestRequest) performOmciTest(ctx context.Context, execChannel chan<- bool) {
logger.Debug(ctx, "omciTestRequest-start-test")
if oo.pDevOmciCC != nil {
oo.verifyDone = execChannel
// test functionality is limited to ONU-2G get request for the moment
// without yet checking the received response automatically here (might be improved ??)
tid := oo.pDevOmciCC.getNextTid(false)
onu2gBaseGet, _ := oo.createOnu2gBaseGet(ctx, tid)
omciRxCallbackPair := callbackPair{
cbKey: tid,
cbEntry: callbackPairEntry{nil, oo.receiveOmciVerifyResponse},
logger.Debugw(ctx, "performOmciTest-start sending frame", log.Fields{"for device-id": oo.deviceID})
// send with default timeout and normal prio
go oo.pDevOmciCC.send(ctx, onu2gBaseGet, ConstDefaultOmciTimeout, 0, false, omciRxCallbackPair)
} else {
logger.Errorw(ctx, "performOmciTest: Device does not exist", log.Fields{"for device-id": oo.deviceID})
// these are OMCI related functions, could/should be collected in a separate file? TODO!!!
// for a simple start just included in here
//basic approach copied from bbsim, cmp /devices/onu.go and /internal/common/omci/mibpackets.go
func (oo *omciTestRequest) createOnu2gBaseGet(ctx context.Context, tid uint16) ([]byte, error) {
request := &omci.GetRequest{
MeBasePacket: omci.MeBasePacket{
EntityClass: me.Onu2GClassID,
EntityInstance: 0, //there is only the 0 instance of ONU2-G (still hard-coded - TODO!!!)
AttributeMask: 0xE000, //example hardcoded (TODO!!!) request EquId, OmccVersion, VendorCode
oo.txSeqNo = tid
pkt, err := serialize(ctx, omci.GetRequestType, request, tid)
if err != nil {
//omciLogger.WithFields(log.Fields{ ...
logger.Errorw(ctx, "Cannot serialize Onu2-G GetRequest", log.Fields{"device-id": oo.deviceID, "Err": err})
return nil, err
// hexEncode would probably work as well, but not needed and leads to wrong logs on OltAdapter frame
// return hexEncode(pkt)
return pkt, nil
//supply a response handler - in this testobject the message is evaluated directly, no response channel used
func (oo *omciTestRequest) receiveOmciVerifyResponse(ctx context.Context, omciMsg *omci.OMCI, packet *gp.Packet, respChan chan Message) error {
logger.Debugw(ctx, "verify-omci-message-response received:", log.Fields{"omciMsgType": omciMsg.MessageType,
"transCorrId": omciMsg.TransactionID, "DeviceIdent": omciMsg.DeviceIdentifier})
if omciMsg.TransactionID == oo.txSeqNo {
logger.Debugw(ctx, "verify-omci-message-response", log.Fields{"correct TransCorrId": omciMsg.TransactionID})
} else {
logger.Debugw(ctx, "verify-omci-message-response error", log.Fields{"incorrect TransCorrId": omciMsg.TransactionID,
"expected": oo.txSeqNo})
oo.verifyDone <- false
return fmt.Errorf("unexpected TransCorrId %s", oo.deviceID)
if omciMsg.MessageType == omci.GetResponseType {
logger.Debugw(ctx, "verify-omci-message-response", log.Fields{"correct RespType": omciMsg.MessageType})
} else {
logger.Debugw(ctx, "verify-omci-message-response error", log.Fields{"incorrect RespType": omciMsg.MessageType,
"expected": omci.GetResponseType})
oo.verifyDone <- false
return fmt.Errorf("unexpected MessageType %s", oo.deviceID)
//TODO!!! further tests on the payload should be done here ...
oo.result = true
oo.verifyDone <- true
return nil