blob: cf3718e7d09fb430b6f299b8e4fab0abf953b2d7 [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
* 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 (
// ### downloadToAdapter related definitions ####
//not yet defined to go with sca..., later also some configure options ??
//const defaultDownloadTimeout = 60 // (?) Seconds
//const localImgPath = "/home/lcui/work/tmp"
// ### downloadToAdapter - end ####
//adapterDownloadManager structure holds information needed for downloading to and storing images within the adapter
type adapterDownloadManager struct {
mutexDownloadImageDsc sync.RWMutex
downloadImageDscSlice []*voltha.ImageDownload
//newAdapterDownloadManager constructor returns a new instance of a adapterDownloadManager
//mib_db (as well as not inluded alarm_db not really used in this code? VERIFY!!)
func newAdapterDownloadManager(ctx context.Context) *adapterDownloadManager {
logger.Debug(ctx, "init-adapterDownloadManager")
var localDnldMgr adapterDownloadManager
localDnldMgr.downloadImageDscSlice = make([]*voltha.ImageDownload, 0)
return &localDnldMgr
//imageExists returns true if the requested image already exists within the adapter
func (dm *adapterDownloadManager) imageExists(ctx context.Context, apImageDsc *voltha.ImageDownload) bool {
logger.Debugw(ctx, "checking on existence of the image", log.Fields{"image-name": (*apImageDsc).Name})
defer dm.mutexDownloadImageDsc.RUnlock()
for _, pDnldImgDsc := range dm.downloadImageDscSlice {
if (*pDnldImgDsc).Name == (*apImageDsc).Name {
//image found (by name)
return true
//image not found (by name)
return false
//startDownload returns true if the download of the requested image could be started
func (dm *adapterDownloadManager) startDownload(ctx context.Context, apImageDsc *voltha.ImageDownload) error {
logger.Warnw(ctx, "image download requested - but not yet processed", log.Fields{"image-name": apImageDsc.Name})
//return success to comfort the core processing during integration
return nil
// TODO!!: also verify error response behavior
//return fmt.Errorf("onuSwUpgrade not yet implemented")