| /* |
| * Copyright 2018-present Open Networking Foundation |
| |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package core |
| |
| import ( |
| "context" |
| "errors" |
| "github.com/opencord/voltha-go/common/log" |
| "github.com/opencord/voltha-go/db/model" |
| "github.com/opencord/voltha-go/kafka" |
| ic "github.com/opencord/voltha-go/protos/inter_container" |
| ofp "github.com/opencord/voltha-go/protos/openflow_13" |
| "github.com/opencord/voltha-go/protos/voltha" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| "reflect" |
| "runtime" |
| "sync" |
| ) |
| |
| type DeviceManager struct { |
| deviceAgents map[string]*DeviceAgent |
| adapterProxy *AdapterProxy |
| adapterMgr *AdapterManager |
| logicalDeviceMgr *LogicalDeviceManager |
| kafkaICProxy *kafka.InterContainerProxy |
| stateTransitions *TransitionMap |
| clusterDataProxy *model.Proxy |
| coreInstanceId string |
| exitChannel chan int |
| lockDeviceAgentsMap sync.RWMutex |
| } |
| |
| func newDeviceManager(kafkaICProxy *kafka.InterContainerProxy, cdProxy *model.Proxy, adapterMgr *AdapterManager, coreInstanceId string) *DeviceManager { |
| var deviceMgr DeviceManager |
| deviceMgr.exitChannel = make(chan int, 1) |
| deviceMgr.deviceAgents = make(map[string]*DeviceAgent) |
| deviceMgr.adapterProxy = NewAdapterProxy(kafkaICProxy) |
| deviceMgr.kafkaICProxy = kafkaICProxy |
| deviceMgr.coreInstanceId = coreInstanceId |
| deviceMgr.clusterDataProxy = cdProxy |
| deviceMgr.adapterMgr = adapterMgr |
| deviceMgr.lockDeviceAgentsMap = sync.RWMutex{} |
| return &deviceMgr |
| } |
| |
| func (dMgr *DeviceManager) start(ctx context.Context, logicalDeviceMgr *LogicalDeviceManager) { |
| log.Info("starting-device-manager") |
| dMgr.logicalDeviceMgr = logicalDeviceMgr |
| dMgr.stateTransitions = NewTransitionMap(dMgr) |
| log.Info("device-manager-started") |
| } |
| |
| func (dMgr *DeviceManager) stop(ctx context.Context) { |
| log.Info("stopping-device-manager") |
| dMgr.exitChannel <- 1 |
| log.Info("device-manager-stopped") |
| } |
| |
| func sendResponse(ctx context.Context, ch chan interface{}, result interface{}) { |
| if ctx.Err() == nil { |
| // Returned response only of the ctx has not been cancelled/timeout/etc |
| // Channel is automatically closed when a context is Done |
| ch <- result |
| log.Debugw("sendResponse", log.Fields{"result": result}) |
| } else { |
| // Should the transaction be reverted back? |
| log.Debugw("sendResponse-context-error", log.Fields{"context-error": ctx.Err()}) |
| } |
| } |
| |
| func (dMgr *DeviceManager) addDeviceAgentToMap(agent *DeviceAgent) { |
| dMgr.lockDeviceAgentsMap.Lock() |
| defer dMgr.lockDeviceAgentsMap.Unlock() |
| if _, exist := dMgr.deviceAgents[agent.deviceId]; !exist { |
| dMgr.deviceAgents[agent.deviceId] = agent |
| } |
| } |
| |
| func (dMgr *DeviceManager) deleteDeviceAgentToMap(agent *DeviceAgent) { |
| dMgr.lockDeviceAgentsMap.Lock() |
| defer dMgr.lockDeviceAgentsMap.Unlock() |
| delete(dMgr.deviceAgents, agent.deviceId) |
| } |
| |
| // getDeviceAgent returns the agent managing the device. If the device is not in memory, it will loads it, if it exists |
| func (dMgr *DeviceManager) getDeviceAgent(deviceId string) *DeviceAgent { |
| dMgr.lockDeviceAgentsMap.Lock() |
| if agent, ok := dMgr.deviceAgents[deviceId]; ok { |
| dMgr.lockDeviceAgentsMap.Unlock() |
| return agent |
| } else { |
| // Try to load into memory - loading will also create the device agent |
| dMgr.lockDeviceAgentsMap.Unlock() |
| if err := dMgr.load(deviceId); err == nil { |
| dMgr.lockDeviceAgentsMap.Lock() |
| defer dMgr.lockDeviceAgentsMap.Unlock() |
| if agent, ok = dMgr.deviceAgents[deviceId]; ok { |
| return agent |
| } |
| } |
| } |
| return nil |
| } |
| |
| // listDeviceIdsFromMap returns the list of device IDs that are in memory |
| func (dMgr *DeviceManager) listDeviceIdsFromMap() *voltha.IDs { |
| dMgr.lockDeviceAgentsMap.Lock() |
| defer dMgr.lockDeviceAgentsMap.Unlock() |
| result := &voltha.IDs{Items: make([]*voltha.ID, 0)} |
| for key, _ := range dMgr.deviceAgents { |
| result.Items = append(result.Items, &voltha.ID{Id: key}) |
| } |
| return result |
| } |
| |
| func (dMgr *DeviceManager) createDevice(ctx context.Context, device *voltha.Device, ch chan interface{}) { |
| log.Debugw("createDevice", log.Fields{"device": device, "aproxy": dMgr.adapterProxy}) |
| |
| // Create and start a device agent for that device |
| agent := newDeviceAgent(dMgr.adapterProxy, device, dMgr, dMgr.clusterDataProxy) |
| dMgr.addDeviceAgentToMap(agent) |
| agent.start(ctx, false) |
| |
| sendResponse(ctx, ch, agent.lastData) |
| } |
| |
| func (dMgr *DeviceManager) enableDevice(ctx context.Context, id *voltha.ID, ch chan interface{}) { |
| log.Debugw("enableDevice", log.Fields{"deviceid": id}) |
| var res interface{} |
| if agent := dMgr.getDeviceAgent(id.Id); agent != nil { |
| res = agent.enableDevice(ctx) |
| log.Debugw("EnableDevice-result", log.Fields{"result": res}) |
| } |
| |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) disableDevice(ctx context.Context, id *voltha.ID, ch chan interface{}) { |
| log.Debugw("disableDevice", log.Fields{"deviceid": id}) |
| var res interface{} |
| if agent := dMgr.getDeviceAgent(id.Id); agent != nil { |
| res = agent.disableDevice(ctx) |
| log.Debugw("disableDevice-result", log.Fields{"result": res}) |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", id.Id) |
| } |
| |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) rebootDevice(ctx context.Context, id *voltha.ID, ch chan interface{}) { |
| log.Debugw("rebootDevice", log.Fields{"deviceid": id}) |
| var res interface{} |
| if agent := dMgr.getDeviceAgent(id.Id); agent != nil { |
| res = agent.rebootDevice(ctx) |
| log.Debugw("rebootDevice-result", log.Fields{"result": res}) |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", id.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) deleteDevice(ctx context.Context, id *voltha.ID, ch chan interface{}) { |
| log.Debugw("deleteDevice", log.Fields{"deviceid": id}) |
| var res interface{} |
| if agent := dMgr.getDeviceAgent(id.Id); agent != nil { |
| res = agent.deleteDevice(ctx) |
| if res == nil { //Success |
| agent.stop(ctx) |
| dMgr.deleteDeviceAgentToMap(agent) |
| } |
| log.Debugw("deleteDevice-result", log.Fields{"result": res}) |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", id.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| // GetDevice will returns a device, either from memory or from the dB, if present |
| func (dMgr *DeviceManager) GetDevice(id string) (*voltha.Device, error) { |
| log.Debugw("GetDevice", log.Fields{"deviceid": id}) |
| if agent := dMgr.getDeviceAgent(id); agent != nil { |
| return agent.getDevice() |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", id) |
| } |
| |
| func (dMgr *DeviceManager) IsDeviceInCache(id string) bool { |
| dMgr.lockDeviceAgentsMap.Lock() |
| defer dMgr.lockDeviceAgentsMap.Unlock() |
| _, exist := dMgr.deviceAgents[id] |
| return exist |
| } |
| |
| func (dMgr *DeviceManager) IsRootDevice(id string) (bool, error) { |
| device, err := dMgr.GetDevice(id) |
| if err != nil { |
| return false, err |
| } |
| return device.Root, nil |
| } |
| |
| // ListDevices retrieves the latest devices from the data model |
| func (dMgr *DeviceManager) ListDevices() (*voltha.Devices, error) { |
| log.Debug("ListDevices") |
| result := &voltha.Devices{} |
| if devices := dMgr.clusterDataProxy.List("/devices", 0, false, ""); devices != nil { |
| for _, device := range devices.([]interface{}) { |
| // If device is not in memory then set it up |
| if !dMgr.IsDeviceInCache(device.(*voltha.Device).Id) { |
| agent := newDeviceAgent(dMgr.adapterProxy, device.(*voltha.Device), dMgr, dMgr.clusterDataProxy) |
| if err := agent.start(nil, true); err != nil { |
| log.Warnw("failure-starting-agent", log.Fields{"deviceId": device.(*voltha.Device).Id}) |
| agent.stop(nil) |
| } else { |
| dMgr.addDeviceAgentToMap(agent) |
| } |
| } |
| result.Items = append(result.Items, device.(*voltha.Device)) |
| } |
| } |
| return result, nil |
| } |
| |
| // loadDevice loads the deviceId in memory, if not present |
| func (dMgr *DeviceManager) loadDevice(deviceId string) (*DeviceAgent, error) { |
| log.Debugw("loading-device", log.Fields{"deviceId": deviceId}) |
| // Sanity check |
| if deviceId == "" { |
| return nil, status.Error(codes.InvalidArgument, "deviceId empty") |
| } |
| if !dMgr.IsDeviceInCache(deviceId) { |
| agent := newDeviceAgent(dMgr.adapterProxy, &voltha.Device{Id: deviceId}, dMgr, dMgr.clusterDataProxy) |
| if err := agent.start(nil, true); err != nil { |
| agent.stop(nil) |
| return nil, err |
| } |
| dMgr.addDeviceAgentToMap(agent) |
| } |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent, nil |
| } |
| return nil, status.Error(codes.NotFound, deviceId) // This should nto happen |
| } |
| |
| // loadRootDeviceParentAndChildren loads the children and parents of a root device in memory |
| func (dMgr *DeviceManager) loadRootDeviceParentAndChildren(device *voltha.Device) error { |
| log.Debugw("loading-parent-and-children", log.Fields{"deviceId": device.Id}) |
| if device.Root { |
| // Scenario A |
| if device.ParentId != "" { |
| // Load logical device if needed. |
| if err := dMgr.logicalDeviceMgr.load(device.ParentId); err != nil { |
| log.Warnw("failure-loading-logical-device", log.Fields{"lDeviceId": device.ParentId}) |
| } |
| } else { |
| log.Debugw("no-parent-to-load", log.Fields{"deviceId": device.Id}) |
| } |
| // Load all child devices, if needed |
| if childDeviceIds, err := dMgr.getAllChildDeviceIds(device); err == nil { |
| for _, childDeviceId := range childDeviceIds { |
| if _, err := dMgr.loadDevice(childDeviceId); err != nil { |
| log.Warnw("failure-loading-device", log.Fields{"deviceId": childDeviceId}) |
| return err |
| } |
| } |
| log.Debugw("loaded-children", log.Fields{"deviceId": device.Id, "numChildren": len(childDeviceIds)}) |
| } else { |
| log.Debugw("no-child-to-load", log.Fields{"deviceId": device.Id}) |
| } |
| } |
| return nil |
| } |
| |
| // load loads the deviceId in memory, if not present, and also loads its accompanying parents and children. Loading |
| // in memory is for improved performance. It is not imperative that a device needs to be in memory when a request |
| // acting on the device is received by the core. In such a scenario, the Core will load the device in memory first |
| // and the proceed with the request. |
| func (dMgr *DeviceManager) load(deviceId string) error { |
| log.Debug("load...") |
| // First load the device - this may fail in case the device was deleted intentionally by the other core |
| var dAgent *DeviceAgent |
| var err error |
| if dAgent, err = dMgr.loadDevice(deviceId); err != nil { |
| log.Warnw("failure-loading-device", log.Fields{"deviceId": deviceId}) |
| return err |
| } |
| // Get the loaded device details |
| var device *voltha.Device |
| if device, err = dAgent.getDevice(); err != nil { |
| return err |
| } |
| |
| // If the device is in Pre-provisioning or deleted state stop here |
| if device.AdminState == voltha.AdminState_PREPROVISIONED || device.AdminState == voltha.AdminState_DELETED { |
| return nil |
| } |
| |
| // Now we face two scenarios |
| if device.Root { |
| // Load all children as well as the parent of this device (logical_device) |
| if err := dMgr.loadRootDeviceParentAndChildren(device); err != nil { |
| log.Warnw("failure-loading-device-parent-and-children", log.Fields{"deviceId": deviceId}) |
| return err |
| } |
| log.Debugw("successfully-loaded-parent-and-children", log.Fields{"deviceId": deviceId}) |
| } else { |
| // Scenario B - use the parentId of that device (root device) to trigger the loading |
| if device.ParentId != "" { |
| return dMgr.load(device.ParentId) |
| } |
| } |
| return nil |
| } |
| |
| // ListDeviceIds retrieves the latest device IDs information from the data model (memory data only) |
| func (dMgr *DeviceManager) ListDeviceIds() (*voltha.IDs, error) { |
| log.Debug("ListDeviceIDs") |
| // Report only device IDs that are in the device agent map |
| return dMgr.listDeviceIdsFromMap(), nil |
| } |
| |
| //ReconcileDevices is a request to a voltha core to managed a list of devices based on their IDs |
| func (dMgr *DeviceManager) ReconcileDevices(ctx context.Context, ids *voltha.IDs, ch chan interface{}) { |
| log.Debug("ReconcileDevices") |
| var res interface{} |
| if ids != nil { |
| toReconcile := len(ids.Items) |
| reconciled := 0 |
| for _, id := range ids.Items { |
| // Act on the device only if its not present in the agent map |
| if !dMgr.IsDeviceInCache(id.Id) { |
| // Device Id not in memory |
| log.Debugw("reconciling-device", log.Fields{"id": id.Id}) |
| // Load device from dB |
| agent := newDeviceAgent(dMgr.adapterProxy, &voltha.Device{Id:id.Id}, dMgr, dMgr.clusterDataProxy) |
| if err := agent.start(nil, true); err != nil { |
| log.Warnw("failure-loading-device", log.Fields{"deviceId": id.Id}) |
| agent.stop(nil) |
| } else { |
| dMgr.addDeviceAgentToMap(agent) |
| reconciled += 1 |
| } |
| } else { |
| reconciled += 1 |
| } |
| } |
| if toReconcile != reconciled { |
| res = status.Errorf(codes.DataLoss, "less-device-reconciled:%d/%d", reconciled, toReconcile) |
| } |
| } else { |
| res = status.Errorf(codes.InvalidArgument, "empty-list-of-ids") |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) updateDevice(device *voltha.Device) error { |
| log.Debugw("updateDevice", log.Fields{"deviceid": device.Id, "device": device}) |
| if agent := dMgr.getDeviceAgent(device.Id); agent != nil { |
| return agent.updateDevice(device) |
| } |
| return status.Errorf(codes.NotFound, "%s", device.Id) |
| } |
| |
| func (dMgr *DeviceManager) addPort(deviceId string, port *voltha.Port) error { |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| if err := agent.addPort(port); err != nil { |
| return err |
| } |
| // Setup peer ports |
| meAsPeer := &voltha.Port_PeerPort{DeviceId: deviceId, PortNo: port.PortNo} |
| for _, peerPort := range port.Peers { |
| if agent := dMgr.getDeviceAgent(peerPort.DeviceId); agent != nil { |
| if err := agent.addPeerPort(meAsPeer); err != nil { |
| log.Errorw("failed-to-add-peer", log.Fields{"peer-device-id": peerPort.DeviceId}) |
| return err |
| } |
| } |
| } |
| return nil |
| } else { |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| } |
| |
| func (dMgr *DeviceManager) updateFlows(deviceId string, flows []*ofp.OfpFlowStats) error { |
| log.Debugw("updateFlows", log.Fields{"deviceid": deviceId}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.updateFlows(flows) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) updateGroups(deviceId string, groups []*ofp.OfpGroupEntry) error { |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.updateGroups(groups) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) updatePmConfigs(deviceId string, pmConfigs *voltha.PmConfigs) error { |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.updatePmConfigs(pmConfigs) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) getSwitchCapability(ctx context.Context, deviceId string) (*ic.SwitchCapability, error) { |
| log.Debugw("getSwitchCapability", log.Fields{"deviceid": deviceId}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.getSwitchCapability(ctx) |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) getPorts(ctx context.Context, deviceId string, portType voltha.Port_PortType) (*voltha.Ports, error) { |
| log.Debugw("getPorts", log.Fields{"deviceid": deviceId, "portType": portType}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.getPorts(ctx, portType), nil |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", deviceId) |
| |
| } |
| |
| func (dMgr *DeviceManager) getPortCapability(ctx context.Context, deviceId string, portNo uint32) (*ic.PortCapability, error) { |
| log.Debugw("getPortCapability", log.Fields{"deviceid": deviceId}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.getPortCapability(ctx, portNo) |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) updateDeviceStatus(deviceId string, operStatus voltha.OperStatus_OperStatus, connStatus voltha.ConnectStatus_ConnectStatus) error { |
| log.Debugw("updateDeviceStatus", log.Fields{"deviceid": deviceId, "operStatus": operStatus, "connStatus": connStatus}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.updateDeviceStatus(operStatus, connStatus) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) updateChildrenStatus(deviceId string, operStatus voltha.OperStatus_OperStatus, connStatus voltha.ConnectStatus_ConnectStatus) error { |
| log.Debugw("updateChildrenStatus", log.Fields{"parentDeviceid": deviceId, "operStatus": operStatus, "connStatus": connStatus}) |
| var parentDevice *voltha.Device |
| var err error |
| if parentDevice, err = dMgr.GetDevice(deviceId); err != nil { |
| return status.Errorf(codes.Aborted, "%s", err.Error()) |
| } |
| var childDeviceIds []string |
| if childDeviceIds, err = dMgr.getAllChildDeviceIds(parentDevice); err != nil { |
| return status.Errorf(codes.Aborted, "%s", err.Error()) |
| } |
| if len(childDeviceIds) == 0 { |
| log.Debugw("no-child-device", log.Fields{"parentDeviceId": parentDevice.Id}) |
| } |
| for _, childDeviceId := range childDeviceIds { |
| if agent := dMgr.getDeviceAgent(childDeviceId); agent != nil { |
| if err = agent.updateDeviceStatus(operStatus, connStatus); err != nil { |
| return status.Errorf(codes.Aborted, "childDevice:%s, error:%s", childDeviceId, err.Error()) |
| } |
| } |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) updatePortState(deviceId string, portType voltha.Port_PortType, portNo uint32, operStatus voltha.OperStatus_OperStatus) error { |
| log.Debugw("updatePortState", log.Fields{"deviceid": deviceId, "portType": portType, "portNo": portNo, "operStatus": operStatus}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.updatePortState(portType, portNo, operStatus) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) childDeviceDetected(parentDeviceId string, parentPortNo int64, deviceType string, channelId int64) error { |
| log.Debugw("childDeviceDetected", log.Fields{"parentDeviceId": parentDeviceId}) |
| |
| // Create the ONU device |
| childDevice := &voltha.Device{} |
| childDevice.Type = deviceType |
| childDevice.ParentId = parentDeviceId |
| childDevice.ParentPortNo = uint32(parentPortNo) |
| childDevice.Root = false |
| |
| //Get parent device type |
| parent, err := dMgr.GetDevice(parentDeviceId) |
| if err != nil { |
| log.Error("no-parent-found", log.Fields{"parentId": parentDeviceId}) |
| return status.Errorf(codes.NotFound, "%s", parentDeviceId) |
| } |
| |
| childDevice.ProxyAddress = &voltha.Device_ProxyAddress{DeviceId: parentDeviceId, DeviceType: parent.Type, ChannelId: uint32(channelId)} |
| |
| // Create and start a device agent for that device |
| agent := newDeviceAgent(dMgr.adapterProxy, childDevice, dMgr, dMgr.clusterDataProxy) |
| dMgr.addDeviceAgentToMap(agent) |
| agent.start(nil, false) |
| |
| // Activate the child device |
| if agent := dMgr.getDeviceAgent(agent.deviceId); agent != nil { |
| go agent.enableDevice(nil) |
| } |
| |
| // Publish on the messaging bus that we have discovered new devices |
| go dMgr.kafkaICProxy.DeviceDiscovered(agent.deviceId, deviceType, parentDeviceId, dMgr.coreInstanceId) |
| |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) processTransition(previous *voltha.Device, current *voltha.Device) error { |
| // This will be triggered on every update to the device. |
| handlers := dMgr.stateTransitions.GetTransitionHandler(previous, current) |
| if handlers == nil { |
| log.Debugw("no-op-transition", log.Fields{"deviceId": current.Id}) |
| return nil |
| } |
| for _, handler := range handlers { |
| log.Debugw("running-handler", log.Fields{"handler": funcName(handler)}) |
| if err := handler(current); err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) packetOut(deviceId string, outPort uint32, packet *ofp.OfpPacketOut) error { |
| log.Debugw("packetOut", log.Fields{"deviceId": deviceId, "outPort": outPort}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.packetOut(outPort, packet) |
| } |
| return status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) PacketIn(deviceId string, port uint32, transactionId string, packet []byte) error { |
| log.Debugw("PacketIn", log.Fields{"deviceId": deviceId, "port": port}) |
| // Get the logical device Id based on the deviceId |
| var device *voltha.Device |
| var err error |
| if device, err = dMgr.GetDevice(deviceId); err != nil { |
| log.Errorw("device-not-found", log.Fields{"deviceId": deviceId}) |
| return err |
| } |
| if !device.Root { |
| log.Errorw("device-not-root", log.Fields{"deviceId": deviceId}) |
| return status.Errorf(codes.FailedPrecondition, "%s", deviceId) |
| } |
| |
| if err := dMgr.logicalDeviceMgr.packetIn(device.ParentId, port, transactionId, packet); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) createLogicalDevice(cDevice *voltha.Device) error { |
| log.Info("createLogicalDevice") |
| var logicalId *string |
| var err error |
| if logicalId, err = dMgr.logicalDeviceMgr.createLogicalDevice(nil, cDevice); err != nil { |
| log.Warnw("createlogical-device-error", log.Fields{"device": cDevice}) |
| return err |
| } |
| // Update the parent device with the logical id |
| dMgr.UpdateDeviceAttribute(cDevice.Id, "ParentId", *logicalId) |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) deleteLogicalDevice(cDevice *voltha.Device) error { |
| log.Info("deleteLogicalDevice") |
| var err error |
| if err = dMgr.logicalDeviceMgr.deleteLogicalDevice(nil, cDevice); err != nil { |
| log.Warnw("deleteLogical-device-error", log.Fields{"deviceId": cDevice.Id}) |
| return err |
| } |
| // Remove the logical device Id from the parent device |
| logicalId := "" |
| dMgr.UpdateDeviceAttribute(cDevice.Id, "ParentId", logicalId) |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) deleteLogicalPort(device *voltha.Device) error { |
| log.Info("deleteLogicalPort") |
| var err error |
| // Get the logical port associated with this device |
| var lPortId *voltha.LogicalPortId |
| if lPortId, err = dMgr.logicalDeviceMgr.getLogicalPortId(device); err != nil { |
| log.Warnw("getLogical-port-error", log.Fields{"deviceId": device.Id, "error": err}) |
| return err |
| } |
| if err = dMgr.logicalDeviceMgr.deleteLogicalPort(nil, lPortId); err != nil { |
| log.Warnw("deleteLogical-port-error", log.Fields{"deviceId": device.Id}) |
| return err |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) getParentDevice(childDevice *voltha.Device) *voltha.Device { |
| // Sanity check |
| if childDevice.Root { |
| // childDevice is the parent device |
| return childDevice |
| } |
| parentDevice, _ := dMgr.GetDevice(childDevice.ParentId) |
| return parentDevice |
| } |
| |
| /* |
| All the functions below are callback functions where they are invoked with the latest and previous data. We can |
| therefore use the data as is without trying to get the latest from the model. |
| */ |
| |
| //disableAllChildDevices is invoked as a callback when the parent device is disabled |
| func (dMgr *DeviceManager) disableAllChildDevices(parentDevice *voltha.Device) error { |
| log.Debug("disableAllChildDevices") |
| var childDeviceIds []string |
| var err error |
| if childDeviceIds, err = dMgr.getAllChildDeviceIds(parentDevice); err != nil { |
| return status.Errorf(codes.NotFound, "%s", parentDevice.Id) |
| } |
| if len(childDeviceIds) == 0 { |
| log.Debugw("no-child-device", log.Fields{"parentDeviceId": parentDevice.Id}) |
| } |
| allChildDisable := true |
| for _, childDeviceId := range childDeviceIds { |
| if agent := dMgr.getDeviceAgent(childDeviceId); agent != nil { |
| if err = agent.disableDevice(nil); err != nil { |
| log.Errorw("failure-disable-device", log.Fields{"deviceId": childDeviceId, "error": err.Error()}) |
| allChildDisable = false |
| } |
| } |
| } |
| if !allChildDisable { |
| return err |
| } |
| return nil |
| } |
| |
| //deleteAllChildDevices is invoked as a callback when the parent device is deleted |
| func (dMgr *DeviceManager) deleteAllChildDevices(parentDevice *voltha.Device) error { |
| log.Debug("deleteAllChildDevices") |
| var childDeviceIds []string |
| var err error |
| if childDeviceIds, err = dMgr.getAllChildDeviceIds(parentDevice); err != nil { |
| return status.Errorf(codes.NotFound, "%s", parentDevice.Id) |
| } |
| if len(childDeviceIds) == 0 { |
| log.Debugw("no-child-device", log.Fields{"parentDeviceId": parentDevice.Id}) |
| } |
| allChildDeleted := true |
| for _, childDeviceId := range childDeviceIds { |
| if agent := dMgr.getDeviceAgent(childDeviceId); agent != nil { |
| if err = agent.deleteDevice(nil); err != nil { |
| log.Errorw("failure-delete-device", log.Fields{"deviceId": childDeviceId, "error": err.Error()}) |
| allChildDeleted = false |
| } else { |
| agent.stop(nil) |
| dMgr.deleteDeviceAgentToMap(agent) |
| } |
| } |
| } |
| if !allChildDeleted { |
| return err |
| } |
| return nil |
| } |
| |
| //getAllChildDeviceIds is a helper method to get all the child device IDs from the device passed as parameter |
| func (dMgr *DeviceManager) getAllChildDeviceIds(parentDevice *voltha.Device) ([]string, error) { |
| log.Debugw("getAllChildDeviceIds", log.Fields{"parentDeviceId": parentDevice.Id}) |
| childDeviceIds := make([]string, 0) |
| if parentDevice != nil { |
| for _, port := range parentDevice.Ports { |
| for _, peer := range port.Peers { |
| childDeviceIds = append(childDeviceIds, peer.DeviceId) |
| } |
| } |
| } |
| return childDeviceIds, nil |
| } |
| |
| //getAllChildDevices is a helper method to get all the child device IDs from the device passed as parameter |
| func (dMgr *DeviceManager) getAllChildDevices(parentDeviceId string) (*voltha.Devices, error) { |
| log.Debugw("getAllChildDevices", log.Fields{"parentDeviceId": parentDeviceId}) |
| if parentDevice, err := dMgr.GetDevice(parentDeviceId); err == nil { |
| childDevices := make([]*voltha.Device, 0) |
| if childDeviceIds, er := dMgr.getAllChildDeviceIds(parentDevice); er == nil { |
| for _, deviceId := range childDeviceIds { |
| if d, e := dMgr.GetDevice(deviceId); e == nil && d != nil { |
| childDevices = append(childDevices, d) |
| } |
| } |
| } |
| return &voltha.Devices{Items: childDevices}, nil |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", parentDeviceId) |
| } |
| |
| func (dMgr *DeviceManager) addUNILogicalPort(cDevice *voltha.Device) error { |
| log.Info("addUNILogicalPort") |
| if err := dMgr.logicalDeviceMgr.addUNILogicalPort(nil, cDevice); err != nil { |
| log.Warnw("addUNILogicalPort-error", log.Fields{"device": cDevice, "err": err}) |
| return err |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) downloadImage(ctx context.Context, img *voltha.ImageDownload, ch chan interface{}) { |
| log.Debugw("downloadImage", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| var res interface{} |
| var err error |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| if res, err = agent.downloadImage(ctx, img); err != nil { |
| log.Debugw("downloadImage-failed", log.Fields{"err": err, "imageName": img.Name}) |
| res = err |
| } |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) cancelImageDownload(ctx context.Context, img *voltha.ImageDownload, ch chan interface{}) { |
| log.Debugw("cancelImageDownload", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| var res interface{} |
| var err error |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| if res, err = agent.cancelImageDownload(ctx, img); err != nil { |
| log.Debugw("cancelImageDownload-failed", log.Fields{"err": err, "imageName": img.Name}) |
| res = err |
| } |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) activateImage(ctx context.Context, img *voltha.ImageDownload, ch chan interface{}) { |
| log.Debugw("activateImage", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| var res interface{} |
| var err error |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| if res, err = agent.activateImage(ctx, img); err != nil { |
| log.Debugw("activateImage-failed", log.Fields{"err": err, "imageName": img.Name}) |
| res = err |
| } |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) revertImage(ctx context.Context, img *voltha.ImageDownload, ch chan interface{}) { |
| log.Debugw("revertImage", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| var res interface{} |
| var err error |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| if res, err = agent.revertImage(ctx, img); err != nil { |
| log.Debugw("revertImage-failed", log.Fields{"err": err, "imageName": img.Name}) |
| res = err |
| } |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) getImageDownloadStatus(ctx context.Context, img *voltha.ImageDownload, ch chan interface{}) { |
| log.Debugw("getImageDownloadStatus", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| var res interface{} |
| var err error |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| if res, err = agent.getImageDownloadStatus(ctx, img); err != nil { |
| log.Debugw("getImageDownloadStatus-failed", log.Fields{"err": err, "imageName": img.Name}) |
| res = err |
| } |
| } else { |
| res = status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| sendResponse(ctx, ch, res) |
| } |
| |
| func (dMgr *DeviceManager) updateImageDownload(deviceId string, img *voltha.ImageDownload) error { |
| log.Debugw("updateImageDownload", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| if err := agent.updateImageDownload(img); err != nil { |
| log.Debugw("updateImageDownload-failed", log.Fields{"err": err, "imageName": img.Name}) |
| return err |
| } |
| } else { |
| return status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) getImageDownload(ctx context.Context, img *voltha.ImageDownload) (*voltha.ImageDownload, error) { |
| log.Debugw("getImageDownload", log.Fields{"deviceid": img.Id, "imageName": img.Name}) |
| if agent := dMgr.getDeviceAgent(img.Id); agent != nil { |
| return agent.getImageDownload(ctx, img) |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", img.Id) |
| } |
| |
| func (dMgr *DeviceManager) listImageDownloads(ctx context.Context, deviceId string) (*voltha.ImageDownloads, error) { |
| log.Debugw("listImageDownloads", log.Fields{"deviceId": deviceId}) |
| if agent := dMgr.getDeviceAgent(deviceId); agent != nil { |
| return agent.listImageDownloads(ctx, deviceId) |
| } |
| return nil, status.Errorf(codes.NotFound, "%s", deviceId) |
| } |
| |
| func (dMgr *DeviceManager) activateDevice(cDevice *voltha.Device) error { |
| log.Info("activateDevice") |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) disableDeviceHandler(cDevice *voltha.Device) error { |
| log.Info("disableDevice-donothing") |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) abandonDevice(cDevice *voltha.Device) error { |
| log.Info("abandonDevice") |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) reEnableDevice(cDevice *voltha.Device) error { |
| log.Info("reEnableDevice") |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) noOp(cDevice *voltha.Device) error { |
| log.Info("noOp") |
| return nil |
| } |
| |
| func (dMgr *DeviceManager) notAllowed(pcDevice *voltha.Device) error { |
| log.Info("notAllowed") |
| return errors.New("Transition-not-allowed") |
| } |
| |
| func funcName(f interface{}) string { |
| p := reflect.ValueOf(f).Pointer() |
| rf := runtime.FuncForPC(p) |
| return rf.Name() |
| } |
| |
| func (dMgr *DeviceManager) UpdateDeviceAttribute(deviceId string, attribute string, value interface{}) { |
| if agent, ok := dMgr.deviceAgents[deviceId]; ok { |
| agent.updateDeviceAttribute(attribute, value) |
| } |
| } |
| |
| func (dMgr *DeviceManager) GetParentDeviceId(deviceId string) *string { |
| if device, _ := dMgr.GetDevice(deviceId); device != nil { |
| log.Infow("GetParentDeviceId", log.Fields{"deviceId": device.Id, "parentId": device.ParentId}) |
| return &device.ParentId |
| } |
| return nil |
| } |