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/*
* Copyright 2019-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 techprofile
import (
"context"
"encoding/json"
"errors"
"fmt"
"regexp"
"strconv"
"time"
"github.com/opencord/voltha-lib-go/v3/pkg/db"
"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
"github.com/opencord/voltha-lib-go/v3/pkg/log"
tp_pb "github.com/opencord/voltha-protos/v3/go/tech_profile"
)
// Interface to pon resource manager APIs
type iPonResourceMgr interface {
GetResourceID(ctx context.Context, IntfID uint32, ResourceType string, NumIDs uint32) ([]uint32, error)
GetResourceTypeAllocID() string
GetResourceTypeGemPortID() string
GetTechnology() string
}
type Direction int32
const (
Direction_UPSTREAM Direction = 0
Direction_DOWNSTREAM Direction = 1
Direction_BIDIRECTIONAL Direction = 2
)
var Direction_name = map[Direction]string{
0: "UPSTREAM",
1: "DOWNSTREAM",
2: "BIDIRECTIONAL",
}
type SchedulingPolicy int32
const (
SchedulingPolicy_WRR SchedulingPolicy = 0
SchedulingPolicy_StrictPriority SchedulingPolicy = 1
SchedulingPolicy_Hybrid SchedulingPolicy = 2
)
var SchedulingPolicy_name = map[SchedulingPolicy]string{
0: "WRR",
1: "StrictPriority",
2: "Hybrid",
}
type AdditionalBW int32
const (
AdditionalBW_AdditionalBW_None AdditionalBW = 0
AdditionalBW_AdditionalBW_NA AdditionalBW = 1
AdditionalBW_AdditionalBW_BestEffort AdditionalBW = 2
AdditionalBW_AdditionalBW_Auto AdditionalBW = 3
)
var AdditionalBW_name = map[AdditionalBW]string{
0: "AdditionalBW_None",
1: "AdditionalBW_NA",
2: "AdditionalBW_BestEffort",
3: "AdditionalBW_Auto",
}
type DiscardPolicy int32
const (
DiscardPolicy_TailDrop DiscardPolicy = 0
DiscardPolicy_WTailDrop DiscardPolicy = 1
DiscardPolicy_Red DiscardPolicy = 2
DiscardPolicy_WRed DiscardPolicy = 3
)
var DiscardPolicy_name = map[DiscardPolicy]string{
0: "TailDrop",
1: "WTailDrop",
2: "Red",
3: "WRed",
}
// Required uniPortName format
var uniPortNameFormat = regexp.MustCompile(`^olt-{[a-z0-9\-]+}/pon-{[0-9]+}/onu-{[0-9]+}/uni-{[0-9]+}$`)
/*
type InferredAdditionBWIndication int32
const (
InferredAdditionBWIndication_InferredAdditionBWIndication_None InferredAdditionBWIndication = 0
InferredAdditionBWIndication_InferredAdditionBWIndication_Assured InferredAdditionBWIndication = 1
InferredAdditionBWIndication_InferredAdditionBWIndication_BestEffort InferredAdditionBWIndication = 2
)
var InferredAdditionBWIndication_name = map[int32]string{
0: "InferredAdditionBWIndication_None",
1: "InferredAdditionBWIndication_Assured",
2: "InferredAdditionBWIndication_BestEffort",
}
*/
// instance control defaults
const (
defaultOnuInstance = "multi-instance"
defaultUniInstance = "single-instance"
defaultGemPayloadSize = "auto"
)
const MAX_GEM_PAYLOAD = "max_gem_payload_size"
type InstanceControl struct {
Onu string `json:"ONU"`
Uni string `json:"uni"`
MaxGemPayloadSize string `json:"max_gem_payload_size"`
}
// default discard config constants
const (
defaultMinThreshold = 0
defaultMaxThreshold = 0
defaultMaxProbability = 0
)
type DiscardConfig struct {
MinThreshold int `json:"min_threshold"`
MaxThreshold int `json:"max_threshold"`
MaxProbability int `json:"max_probability"`
}
// default scheduler contants
const (
defaultAdditionalBw = AdditionalBW_AdditionalBW_BestEffort
defaultPriority = 0
defaultWeight = 0
defaultQueueSchedPolicy = SchedulingPolicy_Hybrid
)
type Scheduler struct {
Direction string `json:"direction"`
AdditionalBw string `json:"additional_bw"`
Priority uint32 `json:"priority"`
Weight uint32 `json:"weight"`
QSchedPolicy string `json:"q_sched_policy"`
}
// default GEM attribute constants
const (
defaultAESEncryption = "True"
defaultPriorityQueue = 0
defaultQueueWeight = 0
defaultMaxQueueSize = "auto"
defaultdropPolicy = DiscardPolicy_TailDrop
defaultSchedulePolicy = SchedulingPolicy_WRR
defaultIsMulticast = "False"
defaultAccessControlList = "224.0.0.0-239.255.255.255"
defaultMcastGemID = 4069
)
type GemPortAttribute struct {
MaxQueueSize string `json:"max_q_size"`
PbitMap string `json:"pbit_map"`
AesEncryption string `json:"aes_encryption"`
SchedulingPolicy string `json:"scheduling_policy"`
PriorityQueue uint32 `json:"priority_q"`
Weight uint32 `json:"weight"`
DiscardPolicy string `json:"discard_policy"`
DiscardConfig DiscardConfig `json:"discard_config"`
IsMulticast string `json:"is_multicast"`
DControlList string `json:"dynamic_access_control_list"`
SControlList string `json:"static_access_control_list"`
McastGemID uint32 `json:"multicast_gem_id"`
}
type iScheduler struct {
AllocID uint32 `json:"alloc_id"`
Direction string `json:"direction"`
AdditionalBw string `json:"additional_bw"`
Priority uint32 `json:"priority"`
Weight uint32 `json:"weight"`
QSchedPolicy string `json:"q_sched_policy"`
}
type iGemPortAttribute struct {
GemportID uint32 `json:"gemport_id"`
MaxQueueSize string `json:"max_q_size"`
PbitMap string `json:"pbit_map"`
AesEncryption string `json:"aes_encryption"`
SchedulingPolicy string `json:"scheduling_policy"`
PriorityQueue uint32 `json:"priority_q"`
Weight uint32 `json:"weight"`
DiscardPolicy string `json:"discard_policy"`
DiscardConfig DiscardConfig `json:"discard_config"`
IsMulticast string `json:"is_multicast"`
DControlList string `json:"dynamic_access_control_list"`
SControlList string `json:"static_access_control_list"`
McastGemID uint32 `json:"multicast_gem_id"`
}
type TechProfileMgr struct {
config *TechProfileFlags
resourceMgr iPonResourceMgr
}
type DefaultTechProfile struct {
Name string `json:"name"`
ProfileType string `json:"profile_type"`
Version int `json:"version"`
NumGemPorts uint32 `json:"num_gem_ports"`
InstanceCtrl InstanceControl `json:"instance_control"`
UsScheduler Scheduler `json:"us_scheduler"`
DsScheduler Scheduler `json:"ds_scheduler"`
UpstreamGemPortAttributeList []GemPortAttribute `json:"upstream_gem_port_attribute_list"`
DownstreamGemPortAttributeList []GemPortAttribute `json:"downstream_gem_port_attribute_list"`
}
type TechProfile struct {
Name string `json:"name"`
SubscriberIdentifier string `json:"subscriber_identifier"`
ProfileType string `json:"profile_type"`
Version int `json:"version"`
NumGemPorts uint32 `json:"num_gem_ports"`
InstanceCtrl InstanceControl `json:"instance_control"`
UsScheduler iScheduler `json:"us_scheduler"`
DsScheduler iScheduler `json:"ds_scheduler"`
UpstreamGemPortAttributeList []iGemPortAttribute `json:"upstream_gem_port_attribute_list"`
DownstreamGemPortAttributeList []iGemPortAttribute `json:"downstream_gem_port_attribute_list"`
}
func (t *TechProfileMgr) SetKVClient() *db.Backend {
kvClient, err := newKVClient(t.config.KVStoreType, t.config.KVStoreAddress, t.config.KVStoreTimeout)
if err != nil {
logger.Errorw("failed-to-create-kv-client",
log.Fields{
"type": t.config.KVStoreType, "address": t.config.KVStoreAddress,
"timeout": t.config.KVStoreTimeout, "prefix": t.config.TPKVPathPrefix,
"error": err.Error(),
})
return nil
}
return &db.Backend{
Client: kvClient,
StoreType: t.config.KVStoreType,
Address: t.config.KVStoreAddress,
Timeout: t.config.KVStoreTimeout,
PathPrefix: t.config.TPKVPathPrefix}
/* TODO : Make sure direct call to NewBackend is working fine with backend , currently there is some
issue between kv store and backend , core is not calling NewBackend directly
kv := model.NewBackend(t.config.KVStoreType, t.config.KVStoreHost, t.config.KVStorePort,
t.config.KVStoreTimeout, kvStoreTechProfilePathPrefix)
*/
}
func newKVClient(storeType string, address string, timeout time.Duration) (kvstore.Client, error) {
logger.Infow("kv-store", log.Fields{"storeType": storeType, "address": address})
switch storeType {
case "consul":
return kvstore.NewConsulClient(address, timeout)
case "etcd":
return kvstore.NewEtcdClient(address, timeout, log.WarnLevel)
}
return nil, errors.New("unsupported-kv-store")
}
func NewTechProfile(resourceMgr iPonResourceMgr, KVStoreType string, KVStoreAddress string) (*TechProfileMgr, error) {
var techprofileObj TechProfileMgr
logger.Debug("Initializing techprofile Manager")
techprofileObj.config = NewTechProfileFlags(KVStoreType, KVStoreAddress)
techprofileObj.config.KVBackend = techprofileObj.SetKVClient()
if techprofileObj.config.KVBackend == nil {
logger.Error("Failed to initialize KV backend\n")
return nil, errors.New("KV backend init failed")
}
techprofileObj.resourceMgr = resourceMgr
logger.Debug("Initializing techprofile object instance success")
return &techprofileObj, nil
}
func (t *TechProfileMgr) GetTechProfileInstanceKVPath(techProfiletblID uint32, uniPortName string) string {
logger.Debugw("get-tp-instance-kv-path", log.Fields{
"uniPortName": uniPortName,
"tpId": techProfiletblID,
})
return fmt.Sprintf(t.config.TPInstanceKVPath, t.resourceMgr.GetTechnology(), techProfiletblID, uniPortName)
}
func (t *TechProfileMgr) GetTPInstanceFromKVStore(ctx context.Context, techProfiletblID uint32, path string) (*TechProfile, error) {
var KvTpIns TechProfile
var resPtr *TechProfile = &KvTpIns
var err error
var kvResult *kvstore.KVPair
logger.Infow("get-tp-instance-form-kv-store", log.Fields{"path": path, "tpid": techProfiletblID})
kvResult, _ = t.config.KVBackend.Get(ctx, path)
if kvResult == nil {
logger.Infow("tp-instance-not-found-on-kv", log.Fields{"key": path})
return nil, nil
} else {
if value, err := kvstore.ToByte(kvResult.Value); err == nil {
if err = json.Unmarshal(value, resPtr); err != nil {
logger.Errorw("error-unmarshal-kv-result", log.Fields{"key": path, "value": value})
return nil, errors.New("error-unmarshal-kv-result")
} else {
return resPtr, nil
}
}
}
return nil, err
}
func (t *TechProfileMgr) addTechProfInstanceToKVStore(ctx context.Context, techProfiletblID uint32, uniPortName string, tpInstance *TechProfile) error {
path := t.GetTechProfileInstanceKVPath(techProfiletblID, uniPortName)
logger.Debugw("Adding techprof instance to kvstore", log.Fields{"key": path, "tpinstance": tpInstance})
tpInstanceJson, err := json.Marshal(*tpInstance)
if err == nil {
// Backend will convert JSON byte array into string format
logger.Debugw("Storing tech profile instance to KV Store", log.Fields{"key": path, "val": tpInstanceJson})
err = t.config.KVBackend.Put(ctx, path, tpInstanceJson)
} else {
logger.Errorw("Error in marshaling into Json format", log.Fields{"key": path, "tpinstance": tpInstance})
}
return err
}
func (t *TechProfileMgr) getTPFromKVStore(ctx context.Context, techProfiletblID uint32) *DefaultTechProfile {
var kvtechprofile DefaultTechProfile
key := fmt.Sprintf(t.config.TPFileKVPath, t.resourceMgr.GetTechnology(), techProfiletblID)
logger.Debugw("Getting techprofile from KV store", log.Fields{"techProfiletblID": techProfiletblID, "Key": key})
kvresult, err := t.config.KVBackend.Get(ctx, key)
if err != nil {
logger.Errorw("Error while fetching value from KV store", log.Fields{"key": key})
return nil
}
if kvresult != nil {
/* Backend will return Value in string format,needs to be converted to []byte before unmarshal*/
if value, err := kvstore.ToByte(kvresult.Value); err == nil {
if err = json.Unmarshal(value, &kvtechprofile); err != nil {
logger.Errorw("Error unmarshaling techprofile fetched from KV store", log.Fields{"techProfiletblID": techProfiletblID, "error": err, "techprofile_json": value})
return nil
}
logger.Debugw("Success fetched techprofile from KV store", log.Fields{"techProfiletblID": techProfiletblID, "value": kvtechprofile})
return &kvtechprofile
}
}
return nil
}
func (t *TechProfileMgr) CreateTechProfInstance(ctx context.Context, techProfiletblID uint32, uniPortName string, intfId uint32) (*TechProfile, error) {
var tpInstance *TechProfile
logger.Infow("creating-tp-instance", log.Fields{"tableid": techProfiletblID, "uni": uniPortName, "intId": intfId})
// Make sure the uniPortName is as per format pon-{[0-9]+}/onu-{[0-9]+}/uni-{[0-9]+}
if !uniPortNameFormat.Match([]byte(uniPortName)) {
logger.Errorw("uni-port-name-not-confirming-to-format", log.Fields{"uniPortName": uniPortName})
return nil, errors.New("uni-port-name-not-confirming-to-format")
}
tp := t.getTPFromKVStore(ctx, techProfiletblID)
if tp != nil {
if err := t.validateInstanceControlAttr(tp.InstanceCtrl); err != nil {
logger.Error("invalid-instance-ctrl-attr--using-default-tp")
tp = t.getDefaultTechProfile()
} else {
logger.Infow("using-specified-tp-from-kv-store", log.Fields{"tpid": techProfiletblID})
}
} else {
logger.Info("tp-not-found-on-kv--creating-default-tp")
tp = t.getDefaultTechProfile()
}
tpInstancePath := t.GetTechProfileInstanceKVPath(techProfiletblID, uniPortName)
if tpInstance = t.allocateTPInstance(ctx, uniPortName, tp, intfId, tpInstancePath); tpInstance == nil {
logger.Error("tp-intance-allocation-failed")
return nil, errors.New("tp-intance-allocation-failed")
}
if err := t.addTechProfInstanceToKVStore(ctx, techProfiletblID, uniPortName, tpInstance); err != nil {
logger.Errorw("error-adding-tp-to-kv-store", log.Fields{"tableid": techProfiletblID, "uni": uniPortName})
return nil, errors.New("error-adding-tp-to-kv-store")
}
logger.Infow("tp-added-to-kv-store-successfully",
log.Fields{"tpid": techProfiletblID, "uni": uniPortName, "intfId": intfId})
return tpInstance, nil
}
func (t *TechProfileMgr) DeleteTechProfileInstance(ctx context.Context, techProfiletblID uint32, uniPortName string) error {
path := t.GetTechProfileInstanceKVPath(techProfiletblID, uniPortName)
return t.config.KVBackend.Delete(ctx, path)
}
func (t *TechProfileMgr) validateInstanceControlAttr(instCtl InstanceControl) error {
if instCtl.Onu != "single-instance" && instCtl.Onu != "multi-instance" {
logger.Errorw("invalid-onu-instance-control-attribute", log.Fields{"onu-inst": instCtl.Onu})
return errors.New("invalid-onu-instance-ctl-attr")
}
if instCtl.Uni != "single-instance" && instCtl.Uni != "multi-instance" {
logger.Errorw("invalid-uni-instance-control-attribute", log.Fields{"uni-inst": instCtl.Uni})
return errors.New("invalid-uni-instance-ctl-attr")
}
if instCtl.Uni == "multi-instance" {
logger.Error("uni-multi-instance-tp-not-supported")
return errors.New("uni-multi-instance-tp-not-supported")
}
return nil
}
func (t *TechProfileMgr) allocateTPInstance(ctx context.Context, uniPortName string, tp *DefaultTechProfile, intfId uint32, tpInstPath string) *TechProfile {
var usGemPortAttributeList []iGemPortAttribute
var dsGemPortAttributeList []iGemPortAttribute
var dsMulticastGemAttributeList []iGemPortAttribute
var dsUnicastGemAttributeList []iGemPortAttribute
var tcontIDs []uint32
var gemPorts []uint32
var err error
logger.Infow("Allocating TechProfileMgr instance from techprofile template", log.Fields{"uniPortName": uniPortName, "intfId": intfId, "numGem": tp.NumGemPorts})
if tp.InstanceCtrl.Onu == "multi-instance" {
if tcontIDs, err = t.resourceMgr.GetResourceID(ctx, intfId, t.resourceMgr.GetResourceTypeAllocID(), 1); err != nil {
logger.Errorw("Error getting alloc id from rsrcrMgr", log.Fields{"intfId": intfId})
return nil
}
} else { // "single-instance"
if tpInst, err := t.getSingleInstanceTp(ctx, tpInstPath); err != nil {
logger.Errorw("Error getting alloc id from rsrcrMgr", log.Fields{"intfId": intfId})
return nil
} else if tpInst == nil {
// No "single-instance" tp found on one any uni port for the given TP ID
// Allocate a new TcontID or AllocID
if tcontIDs, err = t.resourceMgr.GetResourceID(ctx, intfId, t.resourceMgr.GetResourceTypeAllocID(), 1); err != nil {
logger.Errorw("Error getting alloc id from rsrcrMgr", log.Fields{"intfId": intfId})
return nil
}
} else {
// Use the alloc-id from the existing TpInstance
tcontIDs = append(tcontIDs, tpInst.UsScheduler.AllocID)
}
}
logger.Debugw("Num GEM ports in TP:", log.Fields{"NumGemPorts": tp.NumGemPorts})
if gemPorts, err = t.resourceMgr.GetResourceID(ctx, intfId, t.resourceMgr.GetResourceTypeGemPortID(), tp.NumGemPorts); err != nil {
logger.Errorw("Error getting gemport ids from rsrcrMgr", log.Fields{"intfId": intfId, "numGemports": tp.NumGemPorts})
return nil
}
logger.Infow("Allocated tconts and GEM ports successfully", log.Fields{"tconts": tcontIDs, "gemports": gemPorts})
for index := 0; index < int(tp.NumGemPorts); index++ {
usGemPortAttributeList = append(usGemPortAttributeList,
iGemPortAttribute{GemportID: gemPorts[index],
MaxQueueSize: tp.UpstreamGemPortAttributeList[index].MaxQueueSize,
PbitMap: tp.UpstreamGemPortAttributeList[index].PbitMap,
AesEncryption: tp.UpstreamGemPortAttributeList[index].AesEncryption,
SchedulingPolicy: tp.UpstreamGemPortAttributeList[index].SchedulingPolicy,
PriorityQueue: tp.UpstreamGemPortAttributeList[index].PriorityQueue,
Weight: tp.UpstreamGemPortAttributeList[index].Weight,
DiscardPolicy: tp.UpstreamGemPortAttributeList[index].DiscardPolicy,
DiscardConfig: tp.UpstreamGemPortAttributeList[index].DiscardConfig})
}
logger.Info("length of DownstreamGemPortAttributeList", len(tp.DownstreamGemPortAttributeList))
//put multicast and unicast downstream GEM port attributes in different lists first
for index := 0; index < int(len(tp.DownstreamGemPortAttributeList)); index++ {
if isMulticastGem(tp.DownstreamGemPortAttributeList[index].IsMulticast) {
dsMulticastGemAttributeList = append(dsMulticastGemAttributeList,
iGemPortAttribute{
McastGemID: tp.DownstreamGemPortAttributeList[index].McastGemID,
MaxQueueSize: tp.DownstreamGemPortAttributeList[index].MaxQueueSize,
PbitMap: tp.DownstreamGemPortAttributeList[index].PbitMap,
AesEncryption: tp.DownstreamGemPortAttributeList[index].AesEncryption,
SchedulingPolicy: tp.DownstreamGemPortAttributeList[index].SchedulingPolicy,
PriorityQueue: tp.DownstreamGemPortAttributeList[index].PriorityQueue,
Weight: tp.DownstreamGemPortAttributeList[index].Weight,
DiscardPolicy: tp.DownstreamGemPortAttributeList[index].DiscardPolicy,
DiscardConfig: tp.DownstreamGemPortAttributeList[index].DiscardConfig,
IsMulticast: tp.DownstreamGemPortAttributeList[index].IsMulticast,
DControlList: tp.DownstreamGemPortAttributeList[index].DControlList,
SControlList: tp.DownstreamGemPortAttributeList[index].SControlList})
} else {
dsUnicastGemAttributeList = append(dsUnicastGemAttributeList,
iGemPortAttribute{
MaxQueueSize: tp.DownstreamGemPortAttributeList[index].MaxQueueSize,
PbitMap: tp.DownstreamGemPortAttributeList[index].PbitMap,
AesEncryption: tp.DownstreamGemPortAttributeList[index].AesEncryption,
SchedulingPolicy: tp.DownstreamGemPortAttributeList[index].SchedulingPolicy,
PriorityQueue: tp.DownstreamGemPortAttributeList[index].PriorityQueue,
Weight: tp.DownstreamGemPortAttributeList[index].Weight,
DiscardPolicy: tp.DownstreamGemPortAttributeList[index].DiscardPolicy,
DiscardConfig: tp.DownstreamGemPortAttributeList[index].DiscardConfig})
}
}
//add unicast downstream GEM ports to dsGemPortAttributeList
for index := 0; index < int(tp.NumGemPorts); index++ {
dsGemPortAttributeList = append(dsGemPortAttributeList,
iGemPortAttribute{GemportID: gemPorts[index],
MaxQueueSize: dsUnicastGemAttributeList[index].MaxQueueSize,
PbitMap: dsUnicastGemAttributeList[index].PbitMap,
AesEncryption: dsUnicastGemAttributeList[index].AesEncryption,
SchedulingPolicy: dsUnicastGemAttributeList[index].SchedulingPolicy,
PriorityQueue: dsUnicastGemAttributeList[index].PriorityQueue,
Weight: dsUnicastGemAttributeList[index].Weight,
DiscardPolicy: dsUnicastGemAttributeList[index].DiscardPolicy,
DiscardConfig: dsUnicastGemAttributeList[index].DiscardConfig})
}
//add multicast GEM ports to dsGemPortAttributeList afterwards
for k := range dsMulticastGemAttributeList {
dsGemPortAttributeList = append(dsGemPortAttributeList, dsMulticastGemAttributeList[k])
}
return &TechProfile{
SubscriberIdentifier: uniPortName,
Name: tp.Name,
ProfileType: tp.ProfileType,
Version: tp.Version,
NumGemPorts: tp.NumGemPorts,
InstanceCtrl: tp.InstanceCtrl,
UsScheduler: iScheduler{
AllocID: tcontIDs[0],
Direction: tp.UsScheduler.Direction,
AdditionalBw: tp.UsScheduler.AdditionalBw,
Priority: tp.UsScheduler.Priority,
Weight: tp.UsScheduler.Weight,
QSchedPolicy: tp.UsScheduler.QSchedPolicy},
DsScheduler: iScheduler{
AllocID: tcontIDs[0],
Direction: tp.DsScheduler.Direction,
AdditionalBw: tp.DsScheduler.AdditionalBw,
Priority: tp.DsScheduler.Priority,
Weight: tp.DsScheduler.Weight,
QSchedPolicy: tp.DsScheduler.QSchedPolicy},
UpstreamGemPortAttributeList: usGemPortAttributeList,
DownstreamGemPortAttributeList: dsGemPortAttributeList}
}
// getSingleInstanceTp returns another TpInstance for an ONU on a different
// uni port for the same TP ID, if it finds one, else nil.
func (t *TechProfileMgr) getSingleInstanceTp(ctx context.Context, tpPath string) (*TechProfile, error) {
var tpInst TechProfile
// For example:
// tpPath like "service/voltha/technology_profiles/xgspon/64/pon-{0}/onu-{1}/uni-{1}"
// is broken into ["service/voltha/technology_profiles/xgspon/64/pon-{0}/onu-{1}" ""]
uniPathSlice := regexp.MustCompile(`/uni-{[0-9]+}$`).Split(tpPath, 2)
kvPairs, _ := t.config.KVBackend.List(ctx, uniPathSlice[0])
// Find a valid TP Instance among all the UNIs of that ONU for the given TP ID
for keyPath, kvPair := range kvPairs {
if value, err := kvstore.ToByte(kvPair.Value); err == nil {
if err = json.Unmarshal(value, &tpInst); err != nil {
logger.Errorw("error-unmarshal-kv-pair", log.Fields{"keyPath": keyPath, "value": value})
return nil, errors.New("error-unmarshal-kv-pair")
} else {
logger.Debugw("found-valid-tp-instance-on-another-uni", log.Fields{"keyPath": keyPath})
return &tpInst, nil
}
}
}
return nil, nil
}
func (t *TechProfileMgr) getDefaultTechProfile() *DefaultTechProfile {
var usGemPortAttributeList []GemPortAttribute
var dsGemPortAttributeList []GemPortAttribute
for _, pbit := range t.config.DefaultPbits {
logger.Debugw("Creating GEM port", log.Fields{"pbit": pbit})
usGemPortAttributeList = append(usGemPortAttributeList,
GemPortAttribute{
MaxQueueSize: defaultMaxQueueSize,
PbitMap: pbit,
AesEncryption: defaultAESEncryption,
SchedulingPolicy: SchedulingPolicy_name[defaultSchedulePolicy],
PriorityQueue: defaultPriorityQueue,
Weight: defaultQueueWeight,
DiscardPolicy: DiscardPolicy_name[defaultdropPolicy],
DiscardConfig: DiscardConfig{
MinThreshold: defaultMinThreshold,
MaxThreshold: defaultMaxThreshold,
MaxProbability: defaultMaxProbability}})
dsGemPortAttributeList = append(dsGemPortAttributeList,
GemPortAttribute{
MaxQueueSize: defaultMaxQueueSize,
PbitMap: pbit,
AesEncryption: defaultAESEncryption,
SchedulingPolicy: SchedulingPolicy_name[defaultSchedulePolicy],
PriorityQueue: defaultPriorityQueue,
Weight: defaultQueueWeight,
DiscardPolicy: DiscardPolicy_name[defaultdropPolicy],
DiscardConfig: DiscardConfig{
MinThreshold: defaultMinThreshold,
MaxThreshold: defaultMaxThreshold,
MaxProbability: defaultMaxProbability},
IsMulticast: defaultIsMulticast,
DControlList: defaultAccessControlList,
SControlList: defaultAccessControlList,
McastGemID: defaultMcastGemID})
}
return &DefaultTechProfile{
Name: t.config.DefaultTPName,
ProfileType: t.resourceMgr.GetTechnology(),
Version: t.config.TPVersion,
NumGemPorts: uint32(len(usGemPortAttributeList)),
InstanceCtrl: InstanceControl{
Onu: defaultOnuInstance,
Uni: defaultUniInstance,
MaxGemPayloadSize: defaultGemPayloadSize},
UsScheduler: Scheduler{
Direction: Direction_name[Direction_UPSTREAM],
AdditionalBw: AdditionalBW_name[defaultAdditionalBw],
Priority: defaultPriority,
Weight: defaultWeight,
QSchedPolicy: SchedulingPolicy_name[defaultQueueSchedPolicy]},
DsScheduler: Scheduler{
Direction: Direction_name[Direction_DOWNSTREAM],
AdditionalBw: AdditionalBW_name[defaultAdditionalBw],
Priority: defaultPriority,
Weight: defaultWeight,
QSchedPolicy: SchedulingPolicy_name[defaultQueueSchedPolicy]},
UpstreamGemPortAttributeList: usGemPortAttributeList,
DownstreamGemPortAttributeList: dsGemPortAttributeList}
}
func (t *TechProfileMgr) GetprotoBufParamValue(paramType string, paramKey string) int32 {
var result int32 = -1
if paramType == "direction" {
for key, val := range tp_pb.Direction_value {
if key == paramKey {
result = val
}
}
} else if paramType == "discard_policy" {
for key, val := range tp_pb.DiscardPolicy_value {
if key == paramKey {
result = val
}
}
} else if paramType == "sched_policy" {
for key, val := range tp_pb.SchedulingPolicy_value {
if key == paramKey {
logger.Debugw("Got value in proto", log.Fields{"key": key, "value": val})
result = val
}
}
} else if paramType == "additional_bw" {
for key, val := range tp_pb.AdditionalBW_value {
if key == paramKey {
result = val
}
}
} else {
logger.Error("Could not find proto parameter", log.Fields{"paramType": paramType, "key": paramKey})
return -1
}
logger.Debugw("Got value in proto", log.Fields{"key": paramKey, "value": result})
return result
}
func (t *TechProfileMgr) GetUsScheduler(tpInstance *TechProfile) (*tp_pb.SchedulerConfig, error) {
dir := tp_pb.Direction(t.GetprotoBufParamValue("direction", tpInstance.UsScheduler.Direction))
if dir == -1 {
logger.Errorf("Error in getting proto id for direction %s for upstream scheduler", tpInstance.UsScheduler.Direction)
return nil, fmt.Errorf("unable to get proto id for direction %s for upstream scheduler", tpInstance.UsScheduler.Direction)
}
bw := tp_pb.AdditionalBW(t.GetprotoBufParamValue("additional_bw", tpInstance.UsScheduler.AdditionalBw))
if bw == -1 {
logger.Errorf("Error in getting proto id for bandwidth %s for upstream scheduler", tpInstance.UsScheduler.AdditionalBw)
return nil, fmt.Errorf("unable to get proto id for bandwidth %s for upstream scheduler", tpInstance.UsScheduler.AdditionalBw)
}
policy := tp_pb.SchedulingPolicy(t.GetprotoBufParamValue("sched_policy", tpInstance.UsScheduler.QSchedPolicy))
if policy == -1 {
logger.Errorf("Error in getting proto id for scheduling policy %s for upstream scheduler", tpInstance.UsScheduler.QSchedPolicy)
return nil, fmt.Errorf("unable to get proto id for scheduling policy %s for upstream scheduler", tpInstance.UsScheduler.QSchedPolicy)
}
return &tp_pb.SchedulerConfig{
Direction: dir,
AdditionalBw: bw,
Priority: tpInstance.UsScheduler.Priority,
Weight: tpInstance.UsScheduler.Weight,
SchedPolicy: policy}, nil
}
func (t *TechProfileMgr) GetDsScheduler(tpInstance *TechProfile) (*tp_pb.SchedulerConfig, error) {
dir := tp_pb.Direction(t.GetprotoBufParamValue("direction", tpInstance.DsScheduler.Direction))
if dir == -1 {
logger.Errorf("Error in getting proto id for direction %s for downstream scheduler", tpInstance.DsScheduler.Direction)
return nil, fmt.Errorf("unable to get proto id for direction %s for downstream scheduler", tpInstance.DsScheduler.Direction)
}
bw := tp_pb.AdditionalBW(t.GetprotoBufParamValue("additional_bw", tpInstance.DsScheduler.AdditionalBw))
if bw == -1 {
logger.Errorf("Error in getting proto id for bandwidth %s for downstream scheduler", tpInstance.DsScheduler.AdditionalBw)
return nil, fmt.Errorf("unable to get proto id for bandwidth %s for downstream scheduler", tpInstance.DsScheduler.AdditionalBw)
}
policy := tp_pb.SchedulingPolicy(t.GetprotoBufParamValue("sched_policy", tpInstance.DsScheduler.QSchedPolicy))
if policy == -1 {
logger.Errorf("Error in getting proto id for scheduling policy %s for downstream scheduler", tpInstance.DsScheduler.QSchedPolicy)
return nil, fmt.Errorf("unable to get proto id for scheduling policy %s for downstream scheduler", tpInstance.DsScheduler.QSchedPolicy)
}
return &tp_pb.SchedulerConfig{
Direction: dir,
AdditionalBw: bw,
Priority: tpInstance.DsScheduler.Priority,
Weight: tpInstance.DsScheduler.Weight,
SchedPolicy: policy}, nil
}
func (t *TechProfileMgr) GetTrafficScheduler(tpInstance *TechProfile, SchedCfg *tp_pb.SchedulerConfig,
ShapingCfg *tp_pb.TrafficShapingInfo) *tp_pb.TrafficScheduler {
tSched := &tp_pb.TrafficScheduler{
Direction: SchedCfg.Direction,
AllocId: tpInstance.UsScheduler.AllocID,
TrafficShapingInfo: ShapingCfg,
Scheduler: SchedCfg}
return tSched
}
func (tpm *TechProfileMgr) GetTrafficQueues(tp *TechProfile, Dir tp_pb.Direction) ([]*tp_pb.TrafficQueue, error) {
var encryp bool
if Dir == tp_pb.Direction_UPSTREAM {
// upstream GEM ports
NumGemPorts := len(tp.UpstreamGemPortAttributeList)
GemPorts := make([]*tp_pb.TrafficQueue, 0)
for Count := 0; Count < NumGemPorts; Count++ {
if tp.UpstreamGemPortAttributeList[Count].AesEncryption == "True" {
encryp = true
} else {
encryp = false
}
schedPolicy := tpm.GetprotoBufParamValue("sched_policy", tp.UpstreamGemPortAttributeList[Count].SchedulingPolicy)
if schedPolicy == -1 {
logger.Errorf("Error in getting Proto Id for scheduling policy %s for Upstream Gem Port %d", tp.UpstreamGemPortAttributeList[Count].SchedulingPolicy, Count)
return nil, fmt.Errorf("upstream gem port traffic queue creation failed due to unrecognized scheduling policy %s", tp.UpstreamGemPortAttributeList[Count].SchedulingPolicy)
}
discardPolicy := tpm.GetprotoBufParamValue("discard_policy", tp.UpstreamGemPortAttributeList[Count].DiscardPolicy)
if discardPolicy == -1 {
logger.Errorf("Error in getting Proto Id for discard policy %s for Upstream Gem Port %d", tp.UpstreamGemPortAttributeList[Count].DiscardPolicy, Count)
return nil, fmt.Errorf("upstream gem port traffic queue creation failed due to unrecognized discard policy %s", tp.UpstreamGemPortAttributeList[Count].DiscardPolicy)
}
GemPorts = append(GemPorts, &tp_pb.TrafficQueue{
Direction: tp_pb.Direction(tpm.GetprotoBufParamValue("direction", tp.UsScheduler.Direction)),
GemportId: tp.UpstreamGemPortAttributeList[Count].GemportID,
PbitMap: tp.UpstreamGemPortAttributeList[Count].PbitMap,
AesEncryption: encryp,
SchedPolicy: tp_pb.SchedulingPolicy(schedPolicy),
Priority: tp.UpstreamGemPortAttributeList[Count].PriorityQueue,
Weight: tp.UpstreamGemPortAttributeList[Count].Weight,
DiscardPolicy: tp_pb.DiscardPolicy(discardPolicy),
})
}
logger.Debugw("Upstream Traffic queue list ", log.Fields{"queuelist": GemPorts})
return GemPorts, nil
} else if Dir == tp_pb.Direction_DOWNSTREAM {
//downstream GEM ports
NumGemPorts := len(tp.DownstreamGemPortAttributeList)
GemPorts := make([]*tp_pb.TrafficQueue, 0)
for Count := 0; Count < NumGemPorts; Count++ {
if isMulticastGem(tp.DownstreamGemPortAttributeList[Count].IsMulticast) {
//do not take multicast GEM ports. They are handled separately.
continue
}
if tp.DownstreamGemPortAttributeList[Count].AesEncryption == "True" {
encryp = true
} else {
encryp = false
}
schedPolicy := tpm.GetprotoBufParamValue("sched_policy", tp.DownstreamGemPortAttributeList[Count].SchedulingPolicy)
if schedPolicy == -1 {
logger.Errorf("Error in getting Proto Id for scheduling policy %s for Downstream Gem Port %d", tp.DownstreamGemPortAttributeList[Count].SchedulingPolicy, Count)
return nil, fmt.Errorf("downstream gem port traffic queue creation failed due to unrecognized scheduling policy %s", tp.DownstreamGemPortAttributeList[Count].SchedulingPolicy)
}
discardPolicy := tpm.GetprotoBufParamValue("discard_policy", tp.DownstreamGemPortAttributeList[Count].DiscardPolicy)
if discardPolicy == -1 {
logger.Errorf("Error in getting Proto Id for discard policy %s for Downstream Gem Port %d", tp.DownstreamGemPortAttributeList[Count].DiscardPolicy, Count)
return nil, fmt.Errorf("downstream gem port traffic queue creation failed due to unrecognized discard policy %s", tp.DownstreamGemPortAttributeList[Count].DiscardPolicy)
}
GemPorts = append(GemPorts, &tp_pb.TrafficQueue{
Direction: tp_pb.Direction(tpm.GetprotoBufParamValue("direction", tp.DsScheduler.Direction)),
GemportId: tp.DownstreamGemPortAttributeList[Count].GemportID,
PbitMap: tp.DownstreamGemPortAttributeList[Count].PbitMap,
AesEncryption: encryp,
SchedPolicy: tp_pb.SchedulingPolicy(schedPolicy),
Priority: tp.DownstreamGemPortAttributeList[Count].PriorityQueue,
Weight: tp.DownstreamGemPortAttributeList[Count].Weight,
DiscardPolicy: tp_pb.DiscardPolicy(discardPolicy),
})
}
logger.Debugw("Downstream Traffic queue list ", log.Fields{"queuelist": GemPorts})
return GemPorts, nil
}
logger.Errorf("Unsupported direction %s used for generating Traffic Queue list", Dir)
return nil, fmt.Errorf("downstream gem port traffic queue creation failed due to unsupported direction %s", Dir)
}
//isMulticastGem returns true if isMulticast attribute value of a GEM port is true; false otherwise
func isMulticastGem(isMulticastAttrValue string) bool {
return isMulticastAttrValue != "" &&
(isMulticastAttrValue == "True" || isMulticastAttrValue == "true" || isMulticastAttrValue == "TRUE")
}
func (tpm *TechProfileMgr) GetMulticastTrafficQueues(tp *TechProfile) []*tp_pb.TrafficQueue {
var encryp bool
NumGemPorts := len(tp.DownstreamGemPortAttributeList)
mcastTrafficQueues := make([]*tp_pb.TrafficQueue, 0)
for Count := 0; Count < NumGemPorts; Count++ {
if !isMulticastGem(tp.DownstreamGemPortAttributeList[Count].IsMulticast) {
continue
}
if tp.DownstreamGemPortAttributeList[Count].AesEncryption == "True" {
encryp = true
} else {
encryp = false
}
mcastTrafficQueues = append(mcastTrafficQueues, &tp_pb.TrafficQueue{
Direction: tp_pb.Direction(tpm.GetprotoBufParamValue("direction", tp.DsScheduler.Direction)),
GemportId: tp.DownstreamGemPortAttributeList[Count].McastGemID,
PbitMap: tp.DownstreamGemPortAttributeList[Count].PbitMap,
AesEncryption: encryp,
SchedPolicy: tp_pb.SchedulingPolicy(tpm.GetprotoBufParamValue("sched_policy", tp.DownstreamGemPortAttributeList[Count].SchedulingPolicy)),
Priority: tp.DownstreamGemPortAttributeList[Count].PriorityQueue,
Weight: tp.DownstreamGemPortAttributeList[Count].Weight,
DiscardPolicy: tp_pb.DiscardPolicy(tpm.GetprotoBufParamValue("discard_policy", tp.DownstreamGemPortAttributeList[Count].DiscardPolicy)),
})
}
logger.Debugw("Downstream Multicast Traffic queue list ", log.Fields{"queuelist": mcastTrafficQueues})
return mcastTrafficQueues
}
func (tpm *TechProfileMgr) GetUsTrafficScheduler(tp *TechProfile) *tp_pb.TrafficScheduler {
UsScheduler, _ := tpm.GetUsScheduler(tp)
return &tp_pb.TrafficScheduler{Direction: UsScheduler.Direction,
AllocId: tp.UsScheduler.AllocID,
Scheduler: UsScheduler}
}
func (t *TechProfileMgr) GetGemportIDForPbit(tp *TechProfile, dir tp_pb.Direction, pbit uint32) uint32 {
/*
Function to get the Gemport ID mapped to a pbit.
*/
if dir == tp_pb.Direction_UPSTREAM {
// upstream GEM ports
numGemPorts := len(tp.UpstreamGemPortAttributeList)
for gemCnt := 0; gemCnt < numGemPorts; gemCnt++ {
lenOfPbitMap := len(tp.UpstreamGemPortAttributeList[gemCnt].PbitMap)
for pbitMapIdx := 2; pbitMapIdx < lenOfPbitMap; pbitMapIdx++ {
// Given a sample pbit map string "0b00000001", lenOfPbitMap is 10
// "lenOfPbitMap - pbitMapIdx + 1" will give pbit-i th value from LSB position in the pbit map string
if p, err := strconv.Atoi(string(tp.UpstreamGemPortAttributeList[gemCnt].PbitMap[lenOfPbitMap-pbitMapIdx+1])); err == nil {
if uint32(pbitMapIdx-2) == pbit && p == 1 { // Check this p-bit is set
logger.Debugw("Found-US-GEMport-for-Pcp", log.Fields{"pbit": pbit, "GEMport": tp.UpstreamGemPortAttributeList[gemCnt].GemportID})
return tp.UpstreamGemPortAttributeList[gemCnt].GemportID
}
}
}
}
} else if dir == tp_pb.Direction_DOWNSTREAM {
//downstream GEM ports
numGemPorts := len(tp.DownstreamGemPortAttributeList)
for gemCnt := 0; gemCnt < numGemPorts; gemCnt++ {
lenOfPbitMap := len(tp.DownstreamGemPortAttributeList[gemCnt].PbitMap)
for pbitMapIdx := 2; pbitMapIdx < lenOfPbitMap; pbitMapIdx++ {
// Given a sample pbit map string "0b00000001", lenOfPbitMap is 10
// "lenOfPbitMap - pbitMapIdx + 1" will give pbit-i th value from LSB position in the pbit map string
if p, err := strconv.Atoi(string(tp.DownstreamGemPortAttributeList[gemCnt].PbitMap[lenOfPbitMap-pbitMapIdx+1])); err == nil {
if uint32(pbitMapIdx-2) == pbit && p == 1 { // Check this p-bit is set
logger.Debugw("Found-DS-GEMport-for-Pcp", log.Fields{"pbit": pbit, "GEMport": tp.DownstreamGemPortAttributeList[gemCnt].GemportID})
return tp.DownstreamGemPortAttributeList[gemCnt].GemportID
}
}
}
}
}
logger.Errorw("No-GemportId-Found-For-Pcp", log.Fields{"pcpVlan": pbit})
return 0
}
// FindAllTpInstances returns all TechProfile instances for a given TechProfile table-id, pon interface ID and onu ID.
func (t *TechProfileMgr) FindAllTpInstances(ctx context.Context, techProfiletblID uint32, ponIntf uint32, onuID uint32) []TechProfile {
var tp TechProfile
onuTpInstancePath := fmt.Sprintf("%s/%d/pon-{%d}/onu-{%d}", t.resourceMgr.GetTechnology(), techProfiletblID, ponIntf, onuID)
if kvPairs, _ := t.config.KVBackend.List(ctx, onuTpInstancePath); kvPairs != nil {
tpInstances := make([]TechProfile, 0, len(kvPairs))
for kvPath, kvPair := range kvPairs {
if value, err := kvstore.ToByte(kvPair.Value); err == nil {
if err = json.Unmarshal(value, &tp); err != nil {
logger.Errorw("error-unmarshal-kv-pair", log.Fields{"kvPath": kvPath, "value": value})
continue
} else {
tpInstances = append(tpInstances, tp)
}
}
}
return tpInstances
}
return nil
}