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/*
* 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 provides the utility for olt devices, flows and statistics
package core
import (
"context"
"sync"
"time"
"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
"github.com/opencord/voltha-lib-go/v3/pkg/log"
"github.com/opencord/voltha-openolt-adapter/internal/pkg/config"
"github.com/opencord/voltha-openolt-adapter/internal/pkg/olterrors"
ic "github.com/opencord/voltha-protos/v3/go/inter_container"
"github.com/opencord/voltha-protos/v3/go/openflow_13"
"github.com/opencord/voltha-protos/v3/go/voltha"
)
//OpenOLT structure holds the OLT information
type OpenOLT struct {
deviceHandlers map[string]*DeviceHandler
coreProxy adapterif.CoreProxy
adapterProxy adapterif.AdapterProxy
eventProxy adapterif.EventProxy
kafkaICProxy kafka.InterContainerProxy
config *config.AdapterFlags
numOnus int
KVStoreHost string
KVStorePort int
KVStoreType string
exitChannel chan int
HeartbeatCheckInterval time.Duration
HeartbeatFailReportInterval time.Duration
GrpcTimeoutInterval time.Duration
lockDeviceHandlersMap sync.RWMutex
}
//NewOpenOLT returns a new instance of OpenOLT
func NewOpenOLT(ctx context.Context, kafkaICProxy kafka.InterContainerProxy,
coreProxy adapterif.CoreProxy, adapterProxy adapterif.AdapterProxy,
eventProxy adapterif.EventProxy, cfg *config.AdapterFlags) *OpenOLT {
var openOLT OpenOLT
openOLT.exitChannel = make(chan int, 1)
openOLT.deviceHandlers = make(map[string]*DeviceHandler)
openOLT.kafkaICProxy = kafkaICProxy
openOLT.config = cfg
openOLT.numOnus = cfg.OnuNumber
openOLT.coreProxy = coreProxy
openOLT.adapterProxy = adapterProxy
openOLT.eventProxy = eventProxy
openOLT.KVStoreHost = cfg.KVStoreHost
openOLT.KVStorePort = cfg.KVStorePort
openOLT.KVStoreType = cfg.KVStoreType
openOLT.HeartbeatCheckInterval = cfg.HeartbeatCheckInterval
openOLT.HeartbeatFailReportInterval = cfg.HeartbeatFailReportInterval
openOLT.GrpcTimeoutInterval = cfg.GrpcTimeoutInterval
openOLT.lockDeviceHandlersMap = sync.RWMutex{}
return &openOLT
}
//Start starts (logs) the device manager
func (oo *OpenOLT) Start(ctx context.Context) error {
logger.Info("starting-device-manager")
logger.Info("device-manager-started")
return nil
}
//Stop terminates the session
func (oo *OpenOLT) Stop(ctx context.Context) error {
logger.Info("stopping-device-manager")
oo.exitChannel <- 1
logger.Info("device-manager-stopped")
return nil
}
func sendResponse(ctx context.Context, ch chan interface{}, result interface{}) {
if ctx.Err() == nil {
// Returned response only of the ctx has not been canceled/timeout/etc
// Channel is automatically closed when a context is Done
ch <- result
logger.Debugw("sendResponse", log.Fields{"result": result})
} else {
// Should the transaction be reverted back?
logger.Debugw("sendResponse-context-error", log.Fields{"context-error": ctx.Err()})
}
}
func (oo *OpenOLT) addDeviceHandlerToMap(agent *DeviceHandler) {
oo.lockDeviceHandlersMap.Lock()
defer oo.lockDeviceHandlersMap.Unlock()
if _, exist := oo.deviceHandlers[agent.device.Id]; !exist {
oo.deviceHandlers[agent.device.Id] = agent
}
}
func (oo *OpenOLT) deleteDeviceHandlerToMap(agent *DeviceHandler) {
oo.lockDeviceHandlersMap.Lock()
defer oo.lockDeviceHandlersMap.Unlock()
delete(oo.deviceHandlers, agent.device.Id)
}
func (oo *OpenOLT) getDeviceHandler(deviceID string) *DeviceHandler {
oo.lockDeviceHandlersMap.Lock()
defer oo.lockDeviceHandlersMap.Unlock()
if agent, ok := oo.deviceHandlers[deviceID]; ok {
return agent
}
return nil
}
//createDeviceTopic returns
func (oo *OpenOLT) createDeviceTopic(device *voltha.Device) error {
logger.Infow("create-device-topic", log.Fields{"deviceId": device.Id})
defaultTopic := oo.kafkaICProxy.GetDefaultTopic()
deviceTopic := kafka.Topic{Name: defaultTopic.Name + "_" + device.Id}
// TODO for the offset
if err := oo.kafkaICProxy.SubscribeWithDefaultRequestHandler(deviceTopic, 0); err != nil {
return olterrors.NewErrAdapter("subscribe-for-device-topic-failed", log.Fields{"device-topic": deviceTopic}, err)
}
return nil
}
// Adopt_device creates a new device handler if not present already and then adopts the device
func (oo *OpenOLT) Adopt_device(device *voltha.Device) error {
ctx := context.Background()
if device == nil {
return olterrors.NewErrInvalidValue(log.Fields{"device": nil}, nil).Log()
}
logger.Infow("adopt-device", log.Fields{"deviceId": device.Id})
var handler *DeviceHandler
if handler = oo.getDeviceHandler(device.Id); handler == nil {
handler := NewDeviceHandler(oo.coreProxy, oo.adapterProxy, oo.eventProxy, device, oo)
oo.addDeviceHandlerToMap(handler)
go handler.AdoptDevice(ctx, device)
// Launch the creation of the device topic
// go oo.createDeviceTopic(device)
}
return nil
}
//Get_ofp_device_info returns OFP information for the given device
func (oo *OpenOLT) Get_ofp_device_info(device *voltha.Device) (*ic.SwitchCapability, error) {
logger.Infow("Get_ofp_device_info", log.Fields{"deviceId": device.Id})
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.GetOfpDeviceInfo(device)
}
return nil, olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Get_ofp_port_info returns OFP port information for the given device
func (oo *OpenOLT) Get_ofp_port_info(device *voltha.Device, portNo int64) (*ic.PortCapability, error) {
logger.Infow("Get_ofp_port_info", log.Fields{"deviceId": device.Id})
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.GetOfpPortInfo(device, portNo)
}
return nil, olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Process_inter_adapter_message sends messages to a target device (between adapters)
func (oo *OpenOLT) Process_inter_adapter_message(msg *ic.InterAdapterMessage) error {
logger.Debugw("Process_inter_adapter_message", log.Fields{"msgId": msg.Header.Id})
targetDevice := msg.Header.ProxyDeviceId // Request?
if targetDevice == "" && msg.Header.ToDeviceId != "" {
// Typical response
targetDevice = msg.Header.ToDeviceId
}
if handler := oo.getDeviceHandler(targetDevice); handler != nil {
return handler.ProcessInterAdapterMessage(msg)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": targetDevice}, nil)
}
//Adapter_descriptor not implemented
func (oo *OpenOLT) Adapter_descriptor() error {
return olterrors.ErrNotImplemented
}
//Device_types unimplemented
func (oo *OpenOLT) Device_types() (*voltha.DeviceTypes, error) {
return nil, olterrors.ErrNotImplemented
}
//Health returns unimplemented
func (oo *OpenOLT) Health() (*voltha.HealthStatus, error) {
return nil, olterrors.ErrNotImplemented
}
//Reconcile_device unimplemented
func (oo *OpenOLT) Reconcile_device(device *voltha.Device) error {
ctx := context.Background()
if device == nil {
return olterrors.NewErrInvalidValue(log.Fields{"device": nil}, nil)
}
logger.Infow("reconcile-device", log.Fields{"deviceId": device.Id})
var handler *DeviceHandler
if handler = oo.getDeviceHandler(device.Id); handler == nil {
handler := NewDeviceHandler(oo.coreProxy, oo.adapterProxy, oo.eventProxy, device, oo)
oo.addDeviceHandlerToMap(handler)
handler.transitionMap = NewTransitionMap(handler)
handler.transitionMap.Handle(ctx, DeviceInit)
}
return nil
}
//Abandon_device unimplemented
func (oo *OpenOLT) Abandon_device(device *voltha.Device) error {
return olterrors.ErrNotImplemented
}
//Disable_device disables the given device
func (oo *OpenOLT) Disable_device(device *voltha.Device) error {
logger.Infow("disable-device", log.Fields{"deviceId": device.Id})
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.DisableDevice(device)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Reenable_device enables the olt device after disable
func (oo *OpenOLT) Reenable_device(device *voltha.Device) error {
logger.Infow("reenable-device", log.Fields{"deviceId": device.Id})
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.ReenableDevice(device)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Reboot_device reboots the given device
func (oo *OpenOLT) Reboot_device(device *voltha.Device) error {
logger.Infow("reboot-device", log.Fields{"deviceId": device.Id})
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.RebootDevice(device)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Self_test_device unimplented
func (oo *OpenOLT) Self_test_device(device *voltha.Device) error {
return olterrors.ErrNotImplemented
}
//Delete_device unimplemented
func (oo *OpenOLT) Delete_device(device *voltha.Device) error {
logger.Infow("delete-device", log.Fields{"deviceId": device.Id})
ctx := context.Background()
if handler := oo.getDeviceHandler(device.Id); handler != nil {
if err := handler.DeleteDevice(ctx, device); err != nil {
logger.Errorw("failed-to-handle-delete-device", log.Fields{"device-id": device.Id})
}
oo.deleteDeviceHandlerToMap(handler)
return nil
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Get_device_details unimplemented
func (oo *OpenOLT) Get_device_details(device *voltha.Device) error {
return olterrors.ErrNotImplemented
}
//Update_flows_bulk returns
func (oo *OpenOLT) Update_flows_bulk(device *voltha.Device, flows *voltha.Flows, groups *voltha.FlowGroups, flowMetadata *voltha.FlowMetadata) error {
return olterrors.ErrNotImplemented
}
//Update_flows_incrementally updates (add/remove) the flows on a given device
func (oo *OpenOLT) Update_flows_incrementally(device *voltha.Device, flows *openflow_13.FlowChanges, groups *openflow_13.FlowGroupChanges, flowMetadata *voltha.FlowMetadata) error {
logger.Debugw("Update_flows_incrementally", log.Fields{"deviceId": device.Id, "flows": flows, "flowMetadata": flowMetadata})
ctx := context.Background()
if handler := oo.getDeviceHandler(device.Id); handler != nil {
return handler.UpdateFlowsIncrementally(ctx, device, flows, groups, flowMetadata)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": device.Id}, nil)
}
//Update_pm_config returns PmConfigs nil or error
func (oo *OpenOLT) Update_pm_config(device *voltha.Device, pmConfigs *voltha.PmConfigs) error {
return olterrors.ErrNotImplemented
}
//Receive_packet_out sends packet out to the device
func (oo *OpenOLT) Receive_packet_out(deviceID string, egressPortNo int, packet *openflow_13.OfpPacketOut) error {
logger.Debugw("Receive_packet_out", log.Fields{"deviceId": deviceID, "egress_port_no": egressPortNo, "pkt": packet})
ctx := context.Background()
if handler := oo.getDeviceHandler(deviceID); handler != nil {
return handler.PacketOut(ctx, egressPortNo, packet)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": deviceID}, nil)
}
//Suppress_event unimplemented
func (oo *OpenOLT) Suppress_event(filter *voltha.EventFilter) error {
return olterrors.ErrNotImplemented
}
//Unsuppress_event unimplemented
func (oo *OpenOLT) Unsuppress_event(filter *voltha.EventFilter) error {
return olterrors.ErrNotImplemented
}
//Download_image unimplemented
func (oo *OpenOLT) Download_image(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) {
return nil, olterrors.ErrNotImplemented
}
//Get_image_download_status unimplemented
func (oo *OpenOLT) Get_image_download_status(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) {
return nil, olterrors.ErrNotImplemented
}
//Cancel_image_download unimplemented
func (oo *OpenOLT) Cancel_image_download(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) {
return nil, olterrors.ErrNotImplemented
}
//Activate_image_update unimplemented
func (oo *OpenOLT) Activate_image_update(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) {
return nil, olterrors.ErrNotImplemented
}
//Revert_image_update unimplemented
func (oo *OpenOLT) Revert_image_update(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) {
return nil, olterrors.ErrNotImplemented
}
// Enable_port to Enable PON/NNI interface
func (oo *OpenOLT) Enable_port(deviceID string, port *voltha.Port) error {
logger.Infow("Enable_port", log.Fields{"deviceId": deviceID, "port": port})
return oo.enableDisablePort(deviceID, port, true)
}
// Disable_port to Disable pon/nni interface
func (oo *OpenOLT) Disable_port(deviceID string, port *voltha.Port) error {
logger.Infow("Disable_port", log.Fields{"deviceId": deviceID, "port": port})
return oo.enableDisablePort(deviceID, port, false)
}
// enableDisablePort to Disable pon or Enable PON interface
func (oo *OpenOLT) enableDisablePort(deviceID string, port *voltha.Port, enablePort bool) error {
logger.Infow("enableDisablePort", log.Fields{"deviceId": deviceID, "port": port})
if port == nil {
return olterrors.NewErrInvalidValue(log.Fields{
"reason": "port cannot be nil",
"device-id": deviceID,
"port": nil}, nil)
}
if handler := oo.getDeviceHandler(deviceID); handler != nil {
logger.Debugw("Enable_Disable_Port", log.Fields{"deviceId": deviceID, "port": port})
if enablePort {
if err := handler.EnablePort(port); err != nil {
return olterrors.NewErrAdapter("error-occurred-during-enable-port", log.Fields{"deviceID": deviceID, "port": port}, err)
}
} else {
if err := handler.DisablePort(port); err != nil {
return olterrors.NewErrAdapter("error-occurred-during-disable-port", log.Fields{"deviceID": deviceID, "port": port}, err)
}
}
}
return nil
}
//Child_device_lost deletes the ONU and its references from PONResources
func (oo *OpenOLT) Child_device_lost(deviceID string, pPortNo uint32, onuID uint32) error {
logger.Infow("Child-device-lost", log.Fields{"parentId": deviceID})
ctx := context.Background()
if handler := oo.getDeviceHandler(deviceID); handler != nil {
return handler.ChildDeviceLost(ctx, pPortNo, onuID)
}
return olterrors.NewErrNotFound("device-handler", log.Fields{"device-id": deviceID}, nil).Log()
}
//Start_omci_test not implemented
func (oo *OpenOLT) Start_omci_test(device *voltha.Device, request *voltha.OmciTestRequest) (*voltha.TestResponse, error) {
return nil, olterrors.ErrNotImplemented
}
//Get_ext_value retrieves a value on a particular ONU
func (oo *OpenOLT) Get_ext_value(deviceID string, device *voltha.Device, valueparam voltha.ValueType_Type) (*voltha.ReturnValues, error) {
var err error
resp := new(voltha.ReturnValues)
log.Infow("Get_ext_value", log.Fields{"device-id": deviceID, "onu-id": device.Id})
if handler := oo.getDeviceHandler(deviceID); handler != nil {
if resp, err = handler.getExtValue(device, valueparam); err != nil {
log.Errorw("error-occurred-during-get-ext-value", log.Fields{"device-id": deviceID, "onu-id": device.Id,
"error": err})
return nil, err
}
}
return resp, nil
}