blob: 7a3f8ec358061365866b7fc9910eb701b0487b48 [file] [log] [blame]
/*
* 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 resourcemanager provides the utility for managing resources
package resourcemanager
import (
"context"
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"sync"
"time"
"github.com/opencord/voltha-openolt-adapter/internal/pkg/olterrors"
"github.com/opencord/voltha-lib-go/v4/pkg/db"
"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
"github.com/opencord/voltha-lib-go/v4/pkg/log"
ponrmgr "github.com/opencord/voltha-lib-go/v4/pkg/ponresourcemanager"
ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"
"github.com/opencord/voltha-protos/v4/go/openolt"
)
const (
// KvstoreTimeout specifies the time out for KV Store Connection
KvstoreTimeout = 5 * time.Second
// BasePathKvStore - <pathPrefix>/openolt/<device_id>
BasePathKvStore = "%s/openolt/{%s}"
// TpIDPathSuffix - <(pon_id, onu_id, uni_id)>/tp_id
TpIDPathSuffix = "{%d,%d,%d}/tp_id"
//MeterIDPathSuffix - <(pon_id, onu_id, uni_id)>/<tp_id>/meter_id/<direction>
MeterIDPathSuffix = "{%d,%d,%d}/{%d}/meter_id/{%s}"
//NnniIntfID - nniintfids
NnniIntfID = "nniintfids"
// OnuPacketINPathPrefix - path prefix where ONU packet-in vlanID/PCP is stored
//format: onu_packetin/{<intfid>,<onuid>,<logicalport>}
OnuPacketINPathPrefix = "onu_packetin/{%d,%d,%d}"
// OnuPacketINPath path on the kvstore to store packetin gemport,which will be used for packetin, packetout
//format: onu_packetin/{<intfid>,<onuid>,<logicalport>}/{<vlanId>,<priority>}
OnuPacketINPath = OnuPacketINPathPrefix + "/{%d,%d}"
//FlowIDsForGem flowids_per_gem/<intfid>
FlowIDsForGem = "flowids_per_gem/{%d}"
//McastQueuesForIntf multicast queues for pon interfaces
McastQueuesForIntf = "mcast_qs_for_int"
//FlowGroup flow_groups/<flow_group_id>
// A group is stored under this path on the KV store after it has been installed to the device.
// It should also be deleted after it has been removed from the device accordingly.
FlowGroup = "flow_groups/{%d}"
//FlowGroupCached flow_groups_cached/<flow_group_id>
// When a group add request received, we create the group without setting any members to it since we cannot
// set any members to a group until it is associated with a multicast flow. It is a BAL limitation.
// When the related multicast flow has been created we perform set members operation for the group.
// That is why we need to keep the members of a group until the multicast flow creation request comes.
// We preserve the groups under "FlowGroupsCached" directory in the KV store temporarily. Having set members,
// we remove the group from the cached group store.
FlowGroupCached = "flow_groups_cached/{%d}"
//FlowIDPath - Path on the KV store for storing list of Flow IDs for a given subscriber
//Format: BasePathKvStore/<(pon_intf_id, onu_id, uni_id)>/flow_ids
FlowIDPath = "{%s}/flow_ids"
//FlowIDInfoPath - Used to store more metadata associated with the flow_id
//Format: BasePathKvStore/<(pon_intf_id, onu_id, uni_id)>/flow_id_info/<flow_id>
FlowIDInfoPath = "{%s}/flow_id_info/{%d}"
)
// FlowInfo holds the flow information
type FlowInfo struct {
Flow *openolt.Flow
IsSymmtricFlow bool
}
// OnuGemInfo holds onu information along with gem port list and uni port list
type OnuGemInfo struct {
OnuID uint32
SerialNumber string
IntfID uint32
GemPorts []uint32
UniPorts []uint32
}
// PacketInInfoKey is the key for packet in gemport
type PacketInInfoKey struct {
IntfID uint32
OnuID uint32
LogicalPort uint32
VlanID uint16
Priority uint8
}
// GroupInfo holds group information
type GroupInfo struct {
GroupID uint32
OutPorts []uint32
}
// OpenOltResourceMgr holds resource related information as provided below for each field
type OpenOltResourceMgr struct {
DeviceID string // OLT device id
Address string // Host and port of the kv store to connect to
Args string // args
KVStore *db.Backend // backend kv store connection handle
DeviceType string
DevInfo *openolt.DeviceInfo // device information
// array of pon resource managers per interface technology
ResourceMgrs map[uint32]*ponrmgr.PONResourceManager
// This protects concurrent gemport_id allocate/delete calls on a per PON port basis
GemPortIDMgmtLock []sync.RWMutex
// This protects concurrent alloc_id allocate/delete calls on a per PON port basis
AllocIDMgmtLock []sync.RWMutex
// This protects concurrent onu_id allocate/delete calls on a per PON port basis
OnuIDMgmtLock []sync.RWMutex
}
func newKVClient(ctx context.Context, storeType string, address string, timeout time.Duration) (kvstore.Client, error) {
logger.Infow(ctx, "kv-store-type", log.Fields{"store": storeType})
switch storeType {
case "etcd":
return kvstore.NewEtcdClient(ctx, address, timeout, log.FatalLevel)
}
return nil, errors.New("unsupported-kv-store")
}
// SetKVClient sets the KV client and return a kv backend
func SetKVClient(ctx context.Context, backend string, addr string, DeviceID string, basePathKvStore string) *db.Backend {
// 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
kvClient, err := newKVClient(ctx, backend, addr, KvstoreTimeout)
if err != nil {
logger.Fatalw(ctx, "Failed to init KV client\n", log.Fields{"err": err})
return nil
}
kvbackend := &db.Backend{
Client: kvClient,
StoreType: backend,
Address: addr,
Timeout: KvstoreTimeout,
PathPrefix: fmt.Sprintf(BasePathKvStore, basePathKvStore, DeviceID)}
return kvbackend
}
// NewResourceMgr init a New resource manager instance which in turn instantiates pon resource manager
// instances according to technology. Initializes the default resource ranges for all
// the resources.
func NewResourceMgr(ctx context.Context, deviceID string, KVStoreAddress string, kvStoreType string, deviceType string, devInfo *openolt.DeviceInfo, basePathKvStore string) *OpenOltResourceMgr {
var ResourceMgr OpenOltResourceMgr
logger.Debugf(ctx, "Init new resource manager , address: %s, device-id: %s", KVStoreAddress, deviceID)
ResourceMgr.DeviceID = deviceID
ResourceMgr.Address = KVStoreAddress
ResourceMgr.DeviceType = deviceType
ResourceMgr.DevInfo = devInfo
NumPONPorts := devInfo.GetPonPorts()
Backend := kvStoreType
ResourceMgr.KVStore = SetKVClient(ctx, Backend, ResourceMgr.Address, deviceID, basePathKvStore)
if ResourceMgr.KVStore == nil {
logger.Error(ctx, "Failed to setup KV store")
}
Ranges := make(map[string]*openolt.DeviceInfo_DeviceResourceRanges)
RsrcMgrsByTech := make(map[string]*ponrmgr.PONResourceManager)
ResourceMgr.ResourceMgrs = make(map[uint32]*ponrmgr.PONResourceManager)
ResourceMgr.AllocIDMgmtLock = make([]sync.RWMutex, NumPONPorts)
ResourceMgr.GemPortIDMgmtLock = make([]sync.RWMutex, NumPONPorts)
ResourceMgr.OnuIDMgmtLock = make([]sync.RWMutex, NumPONPorts)
// TODO self.args = registry('main').get_args()
/*
If a legacy driver returns protobuf without any ranges,s synthesize one from
the legacy global per-device information. This, in theory, is temporary until
the legacy drivers are upgrade to support pool ranges.
*/
if devInfo.Ranges == nil {
var ranges openolt.DeviceInfo_DeviceResourceRanges
ranges.Technology = devInfo.GetTechnology()
var index uint32
for index = 0; index < NumPONPorts; index++ {
ranges.IntfIds = append(ranges.IntfIds, index)
}
var Pool openolt.DeviceInfo_DeviceResourceRanges_Pool
Pool.Type = openolt.DeviceInfo_DeviceResourceRanges_Pool_ONU_ID
Pool.Start = devInfo.OnuIdStart
Pool.End = devInfo.OnuIdEnd
Pool.Sharing = openolt.DeviceInfo_DeviceResourceRanges_Pool_DEDICATED_PER_INTF
onuPool := Pool
ranges.Pools = append(ranges.Pools, &onuPool)
Pool.Type = openolt.DeviceInfo_DeviceResourceRanges_Pool_ALLOC_ID
Pool.Start = devInfo.AllocIdStart
Pool.End = devInfo.AllocIdEnd
Pool.Sharing = openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH
allocPool := Pool
ranges.Pools = append(ranges.Pools, &allocPool)
Pool.Type = openolt.DeviceInfo_DeviceResourceRanges_Pool_GEMPORT_ID
Pool.Start = devInfo.GemportIdStart
Pool.End = devInfo.GemportIdEnd
Pool.Sharing = openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH
gemPool := Pool
ranges.Pools = append(ranges.Pools, &gemPool)
Pool.Type = openolt.DeviceInfo_DeviceResourceRanges_Pool_FLOW_ID
Pool.Start = devInfo.FlowIdStart
Pool.End = devInfo.FlowIdEnd
Pool.Sharing = openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH
ranges.Pools = append(ranges.Pools, &Pool)
// Add to device info
devInfo.Ranges = append(devInfo.Ranges, &ranges)
}
// Create a separate Resource Manager instance for each range. This assumes that
// each technology is represented by only a single range
var GlobalPONRsrcMgr *ponrmgr.PONResourceManager
var err error
for _, TechRange := range devInfo.Ranges {
technology := TechRange.Technology
logger.Debugf(ctx, "Device info technology %s", technology)
Ranges[technology] = TechRange
RsrcMgrsByTech[technology], err = ponrmgr.NewPONResourceManager(ctx, technology, deviceType, deviceID,
Backend, ResourceMgr.Address, basePathKvStore)
if err != nil {
logger.Errorf(ctx, "Failed to create pon resource manager instance for technology %s", technology)
return nil
}
// resource_mgrs_by_tech[technology] = resource_mgr
if GlobalPONRsrcMgr == nil {
GlobalPONRsrcMgr = RsrcMgrsByTech[technology]
}
for _, IntfID := range TechRange.IntfIds {
ResourceMgr.ResourceMgrs[IntfID] = RsrcMgrsByTech[technology]
}
// self.initialize_device_resource_range_and_pool(resource_mgr, global_resource_mgr, arange)
InitializeDeviceResourceRangeAndPool(ctx, RsrcMgrsByTech[technology], GlobalPONRsrcMgr,
TechRange, devInfo)
}
// After we have initialized resource ranges, initialize the
// resource pools accordingly.
for _, PONRMgr := range RsrcMgrsByTech {
_ = PONRMgr.InitDeviceResourcePool(ctx)
}
logger.Info(ctx, "Initialization of resource manager success!")
return &ResourceMgr
}
// InitializeDeviceResourceRangeAndPool initializes the resource range pool according to the sharing type, then apply
// device specific information. If KV doesn't exist
// or is broader than the device, the device's information will
// dictate the range limits
func InitializeDeviceResourceRangeAndPool(ctx context.Context, ponRMgr *ponrmgr.PONResourceManager, globalPONRMgr *ponrmgr.PONResourceManager,
techRange *openolt.DeviceInfo_DeviceResourceRanges, devInfo *openolt.DeviceInfo) {
// init the resource range pool according to the sharing type
logger.Debugf(ctx, "Resource range pool init for technology %s", ponRMgr.Technology)
// first load from KV profiles
status := ponRMgr.InitResourceRangesFromKVStore(ctx)
if !status {
logger.Debugf(ctx, "Failed to load resource ranges from KV store for tech %s", ponRMgr.Technology)
}
/*
Then apply device specific information. If KV doesn't exist
or is broader than the device, the device's information will
dictate the range limits
*/
logger.Debugw(ctx, "Using device info to init pon resource ranges", log.Fields{"Tech": ponRMgr.Technology})
ONUIDStart := devInfo.OnuIdStart
ONUIDEnd := devInfo.OnuIdEnd
ONUIDShared := openolt.DeviceInfo_DeviceResourceRanges_Pool_DEDICATED_PER_INTF
ONUIDSharedPoolID := uint32(0)
AllocIDStart := devInfo.AllocIdStart
AllocIDEnd := devInfo.AllocIdEnd
AllocIDShared := openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH // TODO EdgeCore/BAL limitation
AllocIDSharedPoolID := uint32(0)
GEMPortIDStart := devInfo.GemportIdStart
GEMPortIDEnd := devInfo.GemportIdEnd
GEMPortIDShared := openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH // TODO EdgeCore/BAL limitation
GEMPortIDSharedPoolID := uint32(0)
FlowIDStart := devInfo.FlowIdStart
FlowIDEnd := devInfo.FlowIdEnd
FlowIDShared := openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH // TODO EdgeCore/BAL limitation
FlowIDSharedPoolID := uint32(0)
var FirstIntfPoolID uint32
var SharedPoolID uint32
/*
* As a zero check is made against SharedPoolID to check whether the resources are shared across all intfs
* if resources are shared across interfaces then SharedPoolID is given a positive number.
*/
for _, FirstIntfPoolID = range techRange.IntfIds {
// skip the intf id 0
if FirstIntfPoolID == 0 {
continue
}
break
}
for _, RangePool := range techRange.Pools {
if RangePool.Sharing == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH {
SharedPoolID = FirstIntfPoolID
} else if RangePool.Sharing == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_SAME_TECH {
SharedPoolID = FirstIntfPoolID
} else {
SharedPoolID = 0
}
if RangePool.Type == openolt.DeviceInfo_DeviceResourceRanges_Pool_ONU_ID {
ONUIDStart = RangePool.Start
ONUIDEnd = RangePool.End
ONUIDShared = RangePool.Sharing
ONUIDSharedPoolID = SharedPoolID
} else if RangePool.Type == openolt.DeviceInfo_DeviceResourceRanges_Pool_ALLOC_ID {
AllocIDStart = RangePool.Start
AllocIDEnd = RangePool.End
AllocIDShared = RangePool.Sharing
AllocIDSharedPoolID = SharedPoolID
} else if RangePool.Type == openolt.DeviceInfo_DeviceResourceRanges_Pool_GEMPORT_ID {
GEMPortIDStart = RangePool.Start
GEMPortIDEnd = RangePool.End
GEMPortIDShared = RangePool.Sharing
GEMPortIDSharedPoolID = SharedPoolID
} else if RangePool.Type == openolt.DeviceInfo_DeviceResourceRanges_Pool_FLOW_ID {
FlowIDStart = RangePool.Start
FlowIDEnd = RangePool.End
FlowIDShared = RangePool.Sharing
FlowIDSharedPoolID = SharedPoolID
}
}
logger.Debugw(ctx, "Device info init", log.Fields{"technology": techRange.Technology,
"onu_id_start": ONUIDStart, "onu_id_end": ONUIDEnd, "onu_id_shared_pool_id": ONUIDSharedPoolID,
"alloc_id_start": AllocIDStart, "alloc_id_end": AllocIDEnd,
"alloc_id_shared_pool_id": AllocIDSharedPoolID,
"gemport_id_start": GEMPortIDStart, "gemport_id_end": GEMPortIDEnd,
"gemport_id_shared_pool_id": GEMPortIDSharedPoolID,
"flow_id_start": FlowIDStart,
"flow_id_end_idx": FlowIDEnd,
"flow_id_shared_pool_id": FlowIDSharedPoolID,
"intf_ids": techRange.IntfIds,
"uni_id_start": 0,
"uni_id_end_idx": 1, /*MaxUNIIDperONU()*/
})
ponRMgr.InitDefaultPONResourceRanges(ctx, ONUIDStart, ONUIDEnd, ONUIDSharedPoolID,
AllocIDStart, AllocIDEnd, AllocIDSharedPoolID,
GEMPortIDStart, GEMPortIDEnd, GEMPortIDSharedPoolID,
FlowIDStart, FlowIDEnd, FlowIDSharedPoolID, 0, 1,
devInfo.PonPorts, techRange.IntfIds)
// For global sharing, make sure to refresh both local and global resource manager instances' range
if ONUIDShared == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH {
globalPONRMgr.UpdateRanges(ctx, ponrmgr.ONU_ID_START_IDX, ONUIDStart, ponrmgr.ONU_ID_END_IDX, ONUIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(ctx, ponrmgr.ONU_ID_START_IDX, ONUIDStart, ponrmgr.ONU_ID_END_IDX, ONUIDEnd,
"", 0, globalPONRMgr)
}
if AllocIDShared == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH {
globalPONRMgr.UpdateRanges(ctx, ponrmgr.ALLOC_ID_START_IDX, AllocIDStart, ponrmgr.ALLOC_ID_END_IDX, AllocIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(ctx, ponrmgr.ALLOC_ID_START_IDX, AllocIDStart, ponrmgr.ALLOC_ID_END_IDX, AllocIDEnd,
"", 0, globalPONRMgr)
}
if GEMPortIDShared == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH {
globalPONRMgr.UpdateRanges(ctx, ponrmgr.GEMPORT_ID_START_IDX, GEMPortIDStart, ponrmgr.GEMPORT_ID_END_IDX, GEMPortIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(ctx, ponrmgr.GEMPORT_ID_START_IDX, GEMPortIDStart, ponrmgr.GEMPORT_ID_END_IDX, GEMPortIDEnd,
"", 0, globalPONRMgr)
}
if FlowIDShared == openolt.DeviceInfo_DeviceResourceRanges_Pool_SHARED_BY_ALL_INTF_ALL_TECH {
globalPONRMgr.UpdateRanges(ctx, ponrmgr.FLOW_ID_START_IDX, FlowIDStart, ponrmgr.FLOW_ID_END_IDX, FlowIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(ctx, ponrmgr.FLOW_ID_START_IDX, FlowIDStart, ponrmgr.FLOW_ID_END_IDX, FlowIDEnd,
"", 0, globalPONRMgr)
}
// Make sure loaded range fits the platform bit encoding ranges
ponRMgr.UpdateRanges(ctx, ponrmgr.UNI_ID_START_IDX, 0, ponrmgr.UNI_ID_END_IDX /* TODO =OpenOltPlatform.MAX_UNIS_PER_ONU-1*/, 1, "", 0, nil)
}
// Delete clears used resources for the particular olt device being deleted
func (RsrcMgr *OpenOltResourceMgr) Delete(ctx context.Context) error {
/* TODO
def __del__(self):
self.log.info("clearing-device-resource-pool")
for key, resource_mgr in self.resource_mgrs.iteritems():
resource_mgr.clear_device_resource_pool()
def assert_pon_id_limit(self, pon_intf_id):
assert pon_intf_id in self.resource_mgrs
def assert_onu_id_limit(self, pon_intf_id, onu_id):
self.assert_pon_id_limit(pon_intf_id)
self.resource_mgrs[pon_intf_id].assert_resource_limits(onu_id, PONResourceManager.ONU_ID)
@property
def max_uni_id_per_onu(self):
return 0 #OpenOltPlatform.MAX_UNIS_PER_ONU-1, zero-based indexing Uncomment or override to make default multi-uni
def assert_uni_id_limit(self, pon_intf_id, onu_id, uni_id):
self.assert_onu_id_limit(pon_intf_id, onu_id)
self.resource_mgrs[pon_intf_id].assert_resource_limits(uni_id, PONResourceManager.UNI_ID)
*/
for _, rsrcMgr := range RsrcMgr.ResourceMgrs {
if err := rsrcMgr.ClearDeviceResourcePool(ctx); err != nil {
logger.Debug(ctx, "Failed to clear device resource pool")
return err
}
}
logger.Debug(ctx, "Cleared device resource pool")
return nil
}
// GetONUID returns the available OnuID for the given pon-port
func (RsrcMgr *OpenOltResourceMgr) GetONUID(ctx context.Context, ponIntfID uint32) (uint32, error) {
// Check if Pon Interface ID is present in Resource-manager-map
RsrcMgr.OnuIDMgmtLock[ponIntfID].Lock()
defer RsrcMgr.OnuIDMgmtLock[ponIntfID].Unlock()
if _, ok := RsrcMgr.ResourceMgrs[ponIntfID]; !ok {
err := errors.New("invalid-pon-interface-" + strconv.Itoa(int(ponIntfID)))
return 0, err
}
// Get ONU id for a provided pon interface ID.
onuID, err := RsrcMgr.ResourceMgrs[ponIntfID].TechProfileMgr.GetResourceID(ctx, ponIntfID,
ponrmgr.ONU_ID, 1)
if err != nil {
logger.Errorf(ctx, "Failed to get resource for interface %d for type %s",
ponIntfID, ponrmgr.ONU_ID)
return 0, err
}
if onuID != nil {
RsrcMgr.ResourceMgrs[ponIntfID].InitResourceMap(ctx, fmt.Sprintf("%d,%d", ponIntfID, onuID[0]))
return onuID[0], err
}
return 0, err // return OnuID 0 on error
}
// GetFlowIDInfo returns the slice of flow info of the given pon-port
// Note: For flows which trap from the NNI and not really associated with any particular
// ONU (like LLDP), the onu_id and uni_id is set as -1. The intf_id is the NNI intf_id.
func (RsrcMgr *OpenOltResourceMgr) GetFlowIDInfo(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32, flowID uint64) *FlowInfo {
var flowInfo FlowInfo
subs := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
Path := fmt.Sprintf(FlowIDInfoPath, subs, flowID)
value, err := RsrcMgr.KVStore.Get(ctx, Path)
if err == nil {
if value != nil {
Val, err := toByte(value.Value)
if err != nil {
logger.Errorw(ctx, "Failed to convert flowinfo into byte array", log.Fields{"error": err, "subs": subs})
return nil
}
if err = json.Unmarshal(Val, &flowInfo); err != nil {
logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err, "subs": subs})
return nil
}
}
}
if flowInfo.Flow == nil {
logger.Debugw(ctx, "No flowInfo found in KV store", log.Fields{"subs": subs})
return nil
}
return &flowInfo
}
// GetCurrentFlowIDsForOnu fetches flow ID from the resource manager
// Note: For flows which trap from the NNI and not really associated with any particular
// ONU (like LLDP), the onu_id and uni_id is set as -1. The intf_id is the NNI intf_id.
func (RsrcMgr *OpenOltResourceMgr) GetCurrentFlowIDsForOnu(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32) ([]uint64, error) {
subs := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
path := fmt.Sprintf(FlowIDPath, subs)
var data []uint64
value, err := RsrcMgr.KVStore.Get(ctx, path)
if err == nil {
if value != nil {
Val, _ := toByte(value.Value)
if err = json.Unmarshal(Val, &data); err != nil {
logger.Error(ctx, "Failed to unmarshal")
return nil, err
}
}
}
return data, nil
}
// UpdateFlowIDInfo updates flow info for the given pon interface, onu id, and uni id
// Note: For flows which trap from the NNI and not really associated with any particular
// ONU (like LLDP), the onu_id and uni_id is set as -1. The intf_id is the NNI intf_id.
func (RsrcMgr *OpenOltResourceMgr) UpdateFlowIDInfo(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32,
flowID uint64, flowData FlowInfo) error {
subs := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
path := fmt.Sprintf(FlowIDInfoPath, subs, flowID)
var value []byte
var err error
value, err = json.Marshal(flowData)
if err != nil {
logger.Errorf(ctx, "failed to Marshal, resource path %s", path)
return err
}
if err = RsrcMgr.KVStore.Put(ctx, path, value); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", path)
}
// Update the flowID list for the ONU
if err = RsrcMgr.UpdateFlowIDForOnu(ctx, ponIntfID, onuID, uniID, flowID, true); err != nil {
// If the operation fails, try to remove FlowInfo from the KV store
_ = RsrcMgr.KVStore.Delete(ctx, path)
return err
}
return err
}
// UpdateFlowIDForOnu updates the flow_id list of the ONU (add or remove flow_id from the list)
func (RsrcMgr *OpenOltResourceMgr) UpdateFlowIDForOnu(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32, flowID uint64, add bool) error {
/*
Update the flow_id list of the ONU (add or remove flow_id from the list)
:param pon_intf_onu_id: reference of PON interface id and onu id
:param flow_id: flow ID
:param add: Boolean flag to indicate whether the flow_id should be
added or removed from the list. Defaults to adding the flow.
*/
var Value []byte
var err error
var retVal bool
var idx uint64
subs := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
path := fmt.Sprintf(FlowIDPath, subs)
flowIDs, err := RsrcMgr.GetCurrentFlowIDsForOnu(ctx, ponIntfID, onuID, uniID)
if err != nil {
// Error logged in the called function
return err
}
if add {
if retVal, _ = checkForFlowIDInList(flowIDs, flowID); retVal {
return nil
}
flowIDs = append(flowIDs, flowID)
} else {
if retVal, idx = checkForFlowIDInList(flowIDs, flowID); !retVal {
return nil
}
// delete the index and shift
flowIDs = append(flowIDs[:idx], flowIDs[idx+1:]...)
}
Value, err = json.Marshal(flowIDs)
if err != nil {
logger.Error(ctx, "Failed to Marshal")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, path, Value); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", path)
return err
}
return err
}
// RemoveFlowIDInfo remove flow info for the given pon interface, onu id, and uni id
// Note: For flows which trap from the NNI and not really associated with any particular
// ONU (like LLDP), the onu_id and uni_id is set as -1. The intf_id is the NNI intf_id.
func (RsrcMgr *OpenOltResourceMgr) RemoveFlowIDInfo(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32,
flowID uint64) error {
subs := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
path := fmt.Sprintf(FlowIDInfoPath, subs, flowID)
var err error
if err = RsrcMgr.KVStore.Delete(ctx, path); err != nil {
logger.Errorf(ctx, "Failed to delete resource %s", path)
return err
}
// Update the flowID list for the ONU
err = RsrcMgr.UpdateFlowIDForOnu(ctx, ponIntfID, onuID, uniID, flowID, false)
return err
}
// RemoveAllFlowsForIntfOnuUniKey removes flow info for the given interface, onu id, and uni id
func (RsrcMgr *OpenOltResourceMgr) RemoveAllFlowsForIntfOnuUniKey(ctx context.Context, intf uint32, onuID int32, uniID int32) error {
flowIDs, err := RsrcMgr.GetCurrentFlowIDsForOnu(ctx, intf, onuID, uniID)
if err != nil {
// error logged in the called function
return err
}
for _, flID := range flowIDs {
if err := RsrcMgr.RemoveFlowIDInfo(ctx, intf, onuID, uniID, flID); err != nil {
logger.Errorw(ctx, "failed-to-delete-flow-id-info", log.Fields{"intf": intf, "onuID": onuID, "uniID": uniID, "flowID": flID})
}
}
subs := fmt.Sprintf("%d,%d,%d", intf, onuID, uniID)
path := fmt.Sprintf(FlowIDPath, subs)
if err := RsrcMgr.KVStore.Delete(ctx, path); err != nil {
logger.Errorf(ctx, "Failed to delete resource %s", path)
return err
}
return nil
}
// GetAllocID return the first Alloc ID for a given pon interface id and onu id and then update the resource map on
// the KV store with the list of alloc_ids allocated for the pon_intf_onu_id tuple
// Currently of all the alloc_ids available, it returns the first alloc_id in the list for tha given ONU
func (RsrcMgr *OpenOltResourceMgr) GetAllocID(ctx context.Context, intfID uint32, onuID uint32, uniID uint32) uint32 {
var err error
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
RsrcMgr.AllocIDMgmtLock[intfID].Lock()
defer RsrcMgr.AllocIDMgmtLock[intfID].Unlock()
AllocID := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(ctx, IntfOnuIDUniID)
if AllocID != nil {
// Since we support only one alloc_id for the ONU at the moment,
// return the first alloc_id in the list, if available, for that
// ONU.
logger.Debugw(ctx, "Retrieved alloc ID from pon resource mgr", log.Fields{"AllocID": AllocID})
return AllocID[0]
}
AllocID, err = RsrcMgr.ResourceMgrs[intfID].GetResourceID(ctx, intfID,
ponrmgr.ALLOC_ID, 1)
if AllocID == nil || err != nil {
logger.Error(ctx, "Failed to allocate alloc id")
return 0
}
// update the resource map on KV store with the list of alloc_id
// allocated for the pon_intf_onu_id tuple
err = RsrcMgr.ResourceMgrs[intfID].UpdateAllocIdsForOnu(ctx, IntfOnuIDUniID, AllocID)
if err != nil {
logger.Error(ctx, "Failed to update Alloc ID")
return 0
}
logger.Debugw(ctx, "Allocated new Tcont from pon resource mgr", log.Fields{"AllocID": AllocID})
return AllocID[0]
}
// UpdateAllocIdsForOnu updates alloc ids in kv store for a given pon interface id, onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) UpdateAllocIdsForOnu(ctx context.Context, ponPort uint32, onuID uint32, uniID uint32, allocID []uint32) error {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", ponPort, onuID, uniID)
return RsrcMgr.ResourceMgrs[ponPort].UpdateAllocIdsForOnu(ctx, IntfOnuIDUniID,
allocID)
}
// GetCurrentGEMPortIDsForOnu returns gem ports for given pon interface , onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) GetCurrentGEMPortIDsForOnu(ctx context.Context, intfID uint32, onuID uint32,
uniID uint32) []uint32 {
/* Get gem ports for given pon interface , onu id and uni id. */
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
return RsrcMgr.ResourceMgrs[intfID].GetCurrentGEMPortIDsForOnu(ctx, IntfOnuIDUniID)
}
// GetCurrentAllocIDsForOnu returns alloc ids for given pon interface and onu id
func (RsrcMgr *OpenOltResourceMgr) GetCurrentAllocIDsForOnu(ctx context.Context, intfID uint32, onuID uint32, uniID uint32) []uint32 {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
AllocID := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(ctx, IntfOnuIDUniID)
if AllocID != nil {
return AllocID
}
return []uint32{}
}
// RemoveAllocIDForOnu removes the alloc id for given pon interface, onu id, uni id and alloc id
func (RsrcMgr *OpenOltResourceMgr) RemoveAllocIDForOnu(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, allocID uint32) {
allocIDs := RsrcMgr.GetCurrentAllocIDsForOnu(ctx, intfID, onuID, uniID)
for i := 0; i < len(allocIDs); i++ {
if allocIDs[i] == allocID {
allocIDs = append(allocIDs[:i], allocIDs[i+1:]...)
break
}
}
err := RsrcMgr.UpdateAllocIdsForOnu(ctx, intfID, onuID, uniID, allocIDs)
if err != nil {
logger.Errorf(ctx, "Failed to Remove Alloc Id For Onu. IntfID %d onuID %d uniID %d allocID %d",
intfID, onuID, uniID, allocID)
}
}
// RemoveGemPortIDForOnu removes the gem port id for given pon interface, onu id, uni id and gem port id
func (RsrcMgr *OpenOltResourceMgr) RemoveGemPortIDForOnu(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, gemPortID uint32) {
gemPortIDs := RsrcMgr.GetCurrentGEMPortIDsForOnu(ctx, intfID, onuID, uniID)
for i := 0; i < len(gemPortIDs); i++ {
if gemPortIDs[i] == gemPortID {
gemPortIDs = append(gemPortIDs[:i], gemPortIDs[i+1:]...)
break
}
}
err := RsrcMgr.UpdateGEMPortIDsForOnu(ctx, intfID, onuID, uniID, gemPortIDs)
if err != nil {
logger.Errorf(ctx, "Failed to Remove Gem Id For Onu. IntfID %d onuID %d uniID %d gemPortId %d",
intfID, onuID, uniID, gemPortID)
}
}
//GetUniPortByPonPortGemPortFromKVStore retrieves onu and uni ID associated with the pon and gem ports.
func (RsrcMgr *OpenOltResourceMgr) GetUniPortByPonPortGemPortFromKVStore(ctx context.Context, PonPort uint32, GemPort uint32) (uint32, uint32, error) {
IntfGEMPortPath := fmt.Sprintf("%d,%d", PonPort, GemPort)
logger.Debugf(ctx, "Getting ONU and UNI IDs from the path %s", IntfGEMPortPath)
var Data []uint32
Value, err := RsrcMgr.KVStore.Get(ctx, IntfGEMPortPath)
if err == nil {
if Value != nil {
Val, _ := ponrmgr.ToByte(Value.Value)
if err = json.Unmarshal(Val, &Data); err != nil {
logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err})
return 0, 0, errors.New("failed to unmarshal the data retrieved")
}
}
} else {
logger.Errorf(ctx, "Failed to get data from kvstore for %s", IntfGEMPortPath, err)
return 0, 0, errors.New("could not get data")
}
if len(Data) < 2 {
return 0, 0, errors.New("invalid data format")
}
return Data[0], Data[1], nil
}
// UpdateGEMportsPonportToOnuMapOnKVStore updates onu and uni id associated with the gem port to the kv store
// This stored information is used when packet_indication is received and we need to derive the ONU Id for which
// the packet arrived based on the pon_intf and gemport available in the packet_indication
func (RsrcMgr *OpenOltResourceMgr) UpdateGEMportsPonportToOnuMapOnKVStore(ctx context.Context, gemPorts []uint32, PonPort uint32,
onuID uint32, uniID uint32) error {
/* Update onu and uni id associated with the gem port to the kv store. */
var IntfGEMPortPath string
Data := []uint32{onuID, uniID}
for _, GEM := range gemPorts {
IntfGEMPortPath = fmt.Sprintf("%d,%d", PonPort, GEM)
Val, err := json.Marshal(Data)
if err != nil {
logger.Error(ctx, "failed to Marshal")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, IntfGEMPortPath, Val); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", IntfGEMPortPath)
return err
}
}
return nil
}
// RemoveGEMportPonportToOnuMapOnKVStore removes the relationship between the gem port and pon port
func (RsrcMgr *OpenOltResourceMgr) RemoveGEMportPonportToOnuMapOnKVStore(ctx context.Context, GemPort uint32, PonPort uint32) {
IntfGEMPortPath := fmt.Sprintf("%d,%d", PonPort, GemPort)
err := RsrcMgr.KVStore.Delete(ctx, IntfGEMPortPath)
if err != nil {
logger.Errorf(ctx, "Failed to Remove Gem port-Pon port to onu map on kv store. Gem %d PonPort %d", GemPort, PonPort)
}
}
// GetGEMPortID gets gem port id for a particular pon port, onu id and uni id and then update the resource map on
// the KV store with the list of gemport_id allocated for the pon_intf_onu_id tuple
func (RsrcMgr *OpenOltResourceMgr) GetGEMPortID(ctx context.Context, ponPort uint32, onuID uint32,
uniID uint32, NumOfPorts uint32) ([]uint32, error) {
/* Get gem port id for a particular pon port, onu id
and uni id.
*/
var err error
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", ponPort, onuID, uniID)
RsrcMgr.GemPortIDMgmtLock[ponPort].Lock()
defer RsrcMgr.GemPortIDMgmtLock[ponPort].Unlock()
GEMPortList := RsrcMgr.ResourceMgrs[ponPort].GetCurrentGEMPortIDsForOnu(ctx, IntfOnuIDUniID)
if GEMPortList != nil {
return GEMPortList, nil
}
GEMPortList, err = RsrcMgr.ResourceMgrs[ponPort].GetResourceID(ctx, ponPort,
ponrmgr.GEMPORT_ID, NumOfPorts)
if err != nil && GEMPortList == nil {
logger.Errorf(ctx, "Failed to get gem port id for %s", IntfOnuIDUniID)
return nil, err
}
// update the resource map on KV store with the list of gemport_id
// allocated for the pon_intf_onu_id tuple
err = RsrcMgr.ResourceMgrs[ponPort].UpdateGEMPortIDsForOnu(ctx, IntfOnuIDUniID,
GEMPortList)
if err != nil {
logger.Errorf(ctx, "Failed to update GEM ports to kv store for %s", IntfOnuIDUniID)
return nil, err
}
_ = RsrcMgr.UpdateGEMportsPonportToOnuMapOnKVStore(ctx, GEMPortList, ponPort,
onuID, uniID)
return GEMPortList, err
}
// UpdateGEMPortIDsForOnu updates gemport ids on to the kv store for a given pon port, onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) UpdateGEMPortIDsForOnu(ctx context.Context, ponPort uint32, onuID uint32,
uniID uint32, GEMPortList []uint32) error {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", ponPort, onuID, uniID)
return RsrcMgr.ResourceMgrs[ponPort].UpdateGEMPortIDsForOnu(ctx, IntfOnuIDUniID,
GEMPortList)
}
// FreeonuID releases(make free) onu id for a particular pon-port
func (RsrcMgr *OpenOltResourceMgr) FreeonuID(ctx context.Context, intfID uint32, onuID []uint32) {
RsrcMgr.OnuIDMgmtLock[intfID].Lock()
defer RsrcMgr.OnuIDMgmtLock[intfID].Unlock()
if err := RsrcMgr.ResourceMgrs[intfID].TechProfileMgr.FreeResourceID(ctx, intfID, ponrmgr.ONU_ID, onuID); err != nil {
logger.Errorw(ctx, "error-while-freeing-onu-id", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"err": err.Error(),
})
}
/* Free onu id for a particular interface.*/
var IntfonuID string
for _, onu := range onuID {
IntfonuID = fmt.Sprintf("%d,%d", intfID, onu)
RsrcMgr.ResourceMgrs[intfID].RemoveResourceMap(ctx, IntfonuID)
}
}
// FreeAllocID frees AllocID on the PON resource pool and also frees the allocID association
// for the given OLT device.
func (RsrcMgr *OpenOltResourceMgr) FreeAllocID(ctx context.Context, IntfID uint32, onuID uint32,
uniID uint32, allocID uint32) {
RsrcMgr.AllocIDMgmtLock[IntfID].Lock()
defer RsrcMgr.AllocIDMgmtLock[IntfID].Unlock()
RsrcMgr.RemoveAllocIDForOnu(ctx, IntfID, onuID, uniID, allocID)
allocIDs := make([]uint32, 0)
allocIDs = append(allocIDs, allocID)
if err := RsrcMgr.ResourceMgrs[IntfID].TechProfileMgr.FreeResourceID(ctx, IntfID, ponrmgr.ALLOC_ID, allocIDs); err != nil {
logger.Errorw(ctx, "error-while-freeing-alloc-id", log.Fields{
"intf-id": IntfID,
"onu-id": onuID,
"err": err.Error(),
})
}
}
// FreeGemPortID frees GemPortID on the PON resource pool and also frees the gemPortID association
// for the given OLT device.
func (RsrcMgr *OpenOltResourceMgr) FreeGemPortID(ctx context.Context, IntfID uint32, onuID uint32,
uniID uint32, gemPortID uint32) {
RsrcMgr.GemPortIDMgmtLock[IntfID].Lock()
defer RsrcMgr.GemPortIDMgmtLock[IntfID].Unlock()
RsrcMgr.RemoveGemPortIDForOnu(ctx, IntfID, onuID, uniID, gemPortID)
gemPortIDs := make([]uint32, 0)
gemPortIDs = append(gemPortIDs, gemPortID)
if err := RsrcMgr.ResourceMgrs[IntfID].TechProfileMgr.FreeResourceID(ctx, IntfID, ponrmgr.GEMPORT_ID, gemPortIDs); err != nil {
logger.Errorw(ctx, "error-while-freeing-gem-port-id", log.Fields{
"intf-id": IntfID,
"onu-id": onuID,
"err": err.Error(),
})
}
}
// FreePONResourcesForONU make the pon resources free for a given pon interface and onu id, and the clears the
// resource map and the onuID associated with (pon_intf_id, gemport_id) tuple,
func (RsrcMgr *OpenOltResourceMgr) FreePONResourcesForONU(ctx context.Context, intfID uint32, onuID uint32, uniID uint32) {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
RsrcMgr.AllocIDMgmtLock[intfID].Lock()
AllocIDs := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(ctx, IntfOnuIDUniID)
if err := RsrcMgr.ResourceMgrs[intfID].TechProfileMgr.FreeResourceID(ctx, intfID,
ponrmgr.ALLOC_ID,
AllocIDs); err != nil {
logger.Errorw(ctx, "error-while-freeing-all-alloc-ids-for-onu", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"err": err.Error(),
})
}
RsrcMgr.AllocIDMgmtLock[intfID].Unlock()
RsrcMgr.GemPortIDMgmtLock[intfID].Lock()
GEMPortIDs := RsrcMgr.ResourceMgrs[intfID].GetCurrentGEMPortIDsForOnu(ctx, IntfOnuIDUniID)
if err := RsrcMgr.ResourceMgrs[intfID].TechProfileMgr.FreeResourceID(ctx, intfID,
ponrmgr.GEMPORT_ID,
GEMPortIDs); err != nil {
logger.Errorw(ctx, "error-while-freeing-all-gem-port-ids-for-onu", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"err": err.Error(),
})
}
RsrcMgr.GemPortIDMgmtLock[intfID].Unlock()
// Clear resource map associated with (pon_intf_id, gemport_id) tuple.
RsrcMgr.ResourceMgrs[intfID].RemoveResourceMap(ctx, IntfOnuIDUniID)
// Clear the ONU Id associated with the (pon_intf_id, gemport_id) tuple.
for _, GEM := range GEMPortIDs {
_ = RsrcMgr.KVStore.Delete(ctx, fmt.Sprintf("%d,%d", intfID, GEM))
}
}
// IsFlowOnKvStore checks if the given flowID is present on the kv store
// Returns true if the flowID is found, otherwise it returns false
func (RsrcMgr *OpenOltResourceMgr) IsFlowOnKvStore(ctx context.Context, ponIntfID uint32, onuID int32, uniID int32,
flowID uint64) bool {
FlowIDs, err := RsrcMgr.GetCurrentFlowIDsForOnu(ctx, ponIntfID, onuID, uniID)
if err != nil {
// error logged in the called function
return false
}
if FlowIDs != nil {
logger.Debugw(ctx, "Found flowId(s) for this ONU", log.Fields{"pon": ponIntfID, "onuID": onuID, "uniID": uniID})
for _, id := range FlowIDs {
if flowID == id {
return true
}
}
}
return false
}
// GetTechProfileIDForOnu fetches Tech-Profile-ID from the KV-Store for the given onu based on the path
// This path is formed as the following: {IntfID, OnuID, UniID}/tp_id
func (RsrcMgr *OpenOltResourceMgr) GetTechProfileIDForOnu(ctx context.Context, IntfID uint32, OnuID uint32, UniID uint32) []uint32 {
Path := fmt.Sprintf(TpIDPathSuffix, IntfID, OnuID, UniID)
var Data []uint32
Value, err := RsrcMgr.KVStore.Get(ctx, Path)
if err == nil {
if Value != nil {
Val, err := kvstore.ToByte(Value.Value)
if err != nil {
logger.Errorw(ctx, "Failed to convert into byte array", log.Fields{"error": err})
return Data
}
if err = json.Unmarshal(Val, &Data); err != nil {
logger.Error(ctx, "Failed to unmarshal", log.Fields{"error": err})
return Data
}
}
} else {
logger.Errorf(ctx, "Failed to get TP id from kvstore for path %s", Path)
}
logger.Debugf(ctx, "Getting TP id %d from path %s", Data, Path)
return Data
}
// RemoveTechProfileIDsForOnu deletes all tech profile ids from the KV-Store for the given onu based on the path
// This path is formed as the following: {IntfID, OnuID, UniID}/tp_id
func (RsrcMgr *OpenOltResourceMgr) RemoveTechProfileIDsForOnu(ctx context.Context, IntfID uint32, OnuID uint32, UniID uint32) error {
IntfOnuUniID := fmt.Sprintf(TpIDPathSuffix, IntfID, OnuID, UniID)
if err := RsrcMgr.KVStore.Delete(ctx, IntfOnuUniID); err != nil {
logger.Errorw(ctx, "Failed to delete techprofile id resource in KV store", log.Fields{"path": IntfOnuUniID})
return err
}
return nil
}
// RemoveTechProfileIDForOnu deletes a specific tech profile id from the KV-Store for the given onu based on the path
// This path is formed as the following: {IntfID, OnuID, UniID}/tp_id
func (RsrcMgr *OpenOltResourceMgr) RemoveTechProfileIDForOnu(ctx context.Context, IntfID uint32, OnuID uint32, UniID uint32, TpID uint32) error {
tpIDList := RsrcMgr.GetTechProfileIDForOnu(ctx, IntfID, OnuID, UniID)
for i, tpIDInList := range tpIDList {
if tpIDInList == TpID {
tpIDList = append(tpIDList[:i], tpIDList[i+1:]...)
}
}
IntfOnuUniID := fmt.Sprintf(TpIDPathSuffix, IntfID, OnuID, UniID)
Value, err := json.Marshal(tpIDList)
if err != nil {
logger.Error(ctx, "failed to Marshal")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, IntfOnuUniID, Value); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", IntfOnuUniID)
return err
}
return err
}
// UpdateTechProfileIDForOnu updates (put) already present tech-profile-id for the given onu based on the path
// This path is formed as the following: {IntfID, OnuID, UniID}/tp_id
func (RsrcMgr *OpenOltResourceMgr) UpdateTechProfileIDForOnu(ctx context.Context, IntfID uint32, OnuID uint32,
UniID uint32, TpID uint32) error {
var Value []byte
var err error
IntfOnuUniID := fmt.Sprintf(TpIDPathSuffix, IntfID, OnuID, UniID)
tpIDList := RsrcMgr.GetTechProfileIDForOnu(ctx, IntfID, OnuID, UniID)
for _, value := range tpIDList {
if value == TpID {
logger.Debugf(ctx, "TpID %d is already in tpIdList for the path %s", TpID, IntfOnuUniID)
return err
}
}
logger.Debugf(ctx, "updating tp id %d on path %s", TpID, IntfOnuUniID)
tpIDList = append(tpIDList, TpID)
Value, err = json.Marshal(tpIDList)
if err != nil {
logger.Error(ctx, "failed to Marshal")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, IntfOnuUniID, Value); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", IntfOnuUniID)
return err
}
return err
}
// UpdateMeterIDForOnu updates the meter id in the KV-Store for the given onu based on the path
// This path is formed as the following: <(pon_id, onu_id, uni_id)>/<tp_id>/meter_id/<direction>
func (RsrcMgr *OpenOltResourceMgr) UpdateMeterIDForOnu(ctx context.Context, Direction string, IntfID uint32, OnuID uint32,
UniID uint32, TpID uint32, MeterConfig *ofp.OfpMeterConfig) error {
var Value []byte
var err error
IntfOnuUniID := fmt.Sprintf(MeterIDPathSuffix, IntfID, OnuID, UniID, TpID, Direction)
Value, err = json.Marshal(*MeterConfig)
if err != nil {
logger.Error(ctx, "failed to Marshal meter config")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, IntfOnuUniID, Value); err != nil {
logger.Errorf(ctx, "Failed to store meter into KV store %s", IntfOnuUniID)
return err
}
return err
}
// GetMeterIDForOnu fetches the meter id from the kv store for the given onu based on the path
// This path is formed as the following: <(pon_id, onu_id, uni_id)>/<tp_id>/meter_id/<direction>
func (RsrcMgr *OpenOltResourceMgr) GetMeterIDForOnu(ctx context.Context, Direction string, IntfID uint32, OnuID uint32,
UniID uint32, TpID uint32) (*ofp.OfpMeterConfig, error) {
Path := fmt.Sprintf(MeterIDPathSuffix, IntfID, OnuID, UniID, TpID, Direction)
var meterConfig ofp.OfpMeterConfig
Value, err := RsrcMgr.KVStore.Get(ctx, Path)
if err == nil {
if Value != nil {
logger.Debug(ctx, "Found meter in KV store", log.Fields{"Direction": Direction})
Val, er := kvstore.ToByte(Value.Value)
if er != nil {
logger.Errorw(ctx, "Failed to convert into byte array", log.Fields{"error": er})
return nil, er
}
if er = json.Unmarshal(Val, &meterConfig); er != nil {
logger.Error(ctx, "Failed to unmarshal meterconfig", log.Fields{"error": er})
return nil, er
}
} else {
logger.Debug(ctx, "meter-does-not-exists-in-KVStore")
return nil, err
}
} else {
logger.Errorf(ctx, "Failed to get Meter config from kvstore for path %s", Path)
}
return &meterConfig, err
}
// RemoveMeterIDForOnu deletes the meter id from the kV-Store for the given onu based on the path
// This path is formed as the following: <(pon_id, onu_id, uni_id)>/<tp_id>/meter_id/<direction>
func (RsrcMgr *OpenOltResourceMgr) RemoveMeterIDForOnu(ctx context.Context, Direction string, IntfID uint32, OnuID uint32,
UniID uint32, TpID uint32) error {
Path := fmt.Sprintf(MeterIDPathSuffix, IntfID, OnuID, UniID, TpID, Direction)
if err := RsrcMgr.KVStore.Delete(ctx, Path); err != nil {
logger.Errorf(ctx, "Failed to delete meter id %s from kvstore ", Path)
return err
}
return nil
}
//AddGemToOnuGemInfo adds gemport to onugem info kvstore
func (RsrcMgr *OpenOltResourceMgr) AddGemToOnuGemInfo(ctx context.Context, intfID uint32, onuID uint32, gemPort uint32) error {
var onuGemData []OnuGemInfo
var err error
if err = RsrcMgr.ResourceMgrs[intfID].GetOnuGemInfo(ctx, intfID, &onuGemData); err != nil {
logger.Errorf(ctx, "failed to get onuifo for intfid %d", intfID)
return err
}
if len(onuGemData) == 0 {
logger.Errorw(ctx, "failed to ger Onuid info ", log.Fields{"intfid": intfID, "onuid": onuID})
return err
}
for idx, onugem := range onuGemData {
if onugem.OnuID == onuID {
for _, gem := range onuGemData[idx].GemPorts {
if gem == gemPort {
logger.Debugw(ctx, "Gem already present in onugem info, skpping addition", log.Fields{"gem": gem})
return nil
}
}
logger.Debugw(ctx, "Added gem to onugem info", log.Fields{"gem": gemPort})
onuGemData[idx].GemPorts = append(onuGemData[idx].GemPorts, gemPort)
break
}
}
err = RsrcMgr.ResourceMgrs[intfID].AddOnuGemInfo(ctx, intfID, onuGemData)
if err != nil {
logger.Error(ctx, "Failed to add onugem to kv store")
return err
}
return err
}
//GetOnuGemInfo gets onu gem info from the kvstore per interface
func (RsrcMgr *OpenOltResourceMgr) GetOnuGemInfo(ctx context.Context, IntfID uint32) ([]OnuGemInfo, error) {
var onuGemData []OnuGemInfo
if err := RsrcMgr.ResourceMgrs[IntfID].GetOnuGemInfo(ctx, IntfID, &onuGemData); err != nil {
logger.Errorf(ctx, "failed to get onuifo for intfid %d", IntfID)
return nil, err
}
return onuGemData, nil
}
// AddOnuGemInfo adds onu info on to the kvstore per interface
func (RsrcMgr *OpenOltResourceMgr) AddOnuGemInfo(ctx context.Context, IntfID uint32, onuGem OnuGemInfo) error {
var onuGemData []OnuGemInfo
var err error
if err = RsrcMgr.ResourceMgrs[IntfID].GetOnuGemInfo(ctx, IntfID, &onuGemData); err != nil {
logger.Errorf(ctx, "failed to get onuifo for intfid %d", IntfID)
return olterrors.NewErrPersistence("get", "OnuGemInfo", uint64(IntfID),
log.Fields{"onuGem": onuGem, "intfID": IntfID}, err)
}
onuGemData = append(onuGemData, onuGem)
err = RsrcMgr.ResourceMgrs[IntfID].AddOnuGemInfo(ctx, IntfID, onuGemData)
if err != nil {
logger.Error(ctx, "Failed to add onugem to kv store")
return olterrors.NewErrPersistence("set", "OnuGemInfo", uint64(IntfID),
log.Fields{"onuGemData": onuGemData, "intfID": IntfID}, err)
}
logger.Debugw(ctx, "added onu to onugeminfo", log.Fields{"intf": IntfID, "onugem": onuGem})
return nil
}
// AddUniPortToOnuInfo adds uni port to the onuinfo kvstore. check if the uni is already present if not update the kv store.
func (RsrcMgr *OpenOltResourceMgr) AddUniPortToOnuInfo(ctx context.Context, intfID uint32, onuID uint32, portNo uint32) {
var onuGemData []OnuGemInfo
var err error
if err = RsrcMgr.ResourceMgrs[intfID].GetOnuGemInfo(ctx, intfID, &onuGemData); err != nil {
logger.Errorf(ctx, "failed to get onuifo for intfid %d", intfID)
return
}
for idx, onu := range onuGemData {
if onu.OnuID == onuID {
for _, uni := range onu.UniPorts {
if uni == portNo {
logger.Debugw(ctx, "uni already present in onugem info", log.Fields{"uni": portNo})
return
}
}
onuGemData[idx].UniPorts = append(onuGemData[idx].UniPorts, portNo)
break
}
}
err = RsrcMgr.ResourceMgrs[intfID].AddOnuGemInfo(ctx, intfID, onuGemData)
if err != nil {
logger.Errorw(ctx, "Failed to add uin port in onugem to kv store", log.Fields{"uni": portNo})
return
}
}
//UpdateGemPortForPktIn updates gemport for pkt in path to kvstore, path being intfid, onuid, portno, vlan id, priority bit
func (RsrcMgr *OpenOltResourceMgr) UpdateGemPortForPktIn(ctx context.Context, pktIn PacketInInfoKey, gemPort uint32) {
path := fmt.Sprintf(OnuPacketINPath, pktIn.IntfID, pktIn.OnuID, pktIn.LogicalPort, pktIn.VlanID, pktIn.Priority)
Value, err := json.Marshal(gemPort)
if err != nil {
logger.Error(ctx, "Failed to marshal data")
return
}
if err = RsrcMgr.KVStore.Put(ctx, path, Value); err != nil {
logger.Errorw(ctx, "Failed to put to kvstore", log.Fields{"path": path, "value": gemPort})
return
}
logger.Debugw(ctx, "added gem packet in successfully", log.Fields{"path": path, "gem": gemPort})
}
// GetGemPortFromOnuPktIn gets the gem port from onu pkt in path, path being intfid, onuid, portno, vlan id, priority bit
func (RsrcMgr *OpenOltResourceMgr) GetGemPortFromOnuPktIn(ctx context.Context, packetInInfoKey PacketInInfoKey) (uint32, error) {
var Val []byte
var gemPort uint32
path := fmt.Sprintf(OnuPacketINPath, packetInInfoKey.IntfID, packetInInfoKey.OnuID, packetInInfoKey.LogicalPort,
packetInInfoKey.VlanID, packetInInfoKey.Priority)
value, err := RsrcMgr.KVStore.Get(ctx, path)
if err != nil {
logger.Errorw(ctx, "Failed to get from kv store", log.Fields{"path": path})
return uint32(0), err
} else if value == nil {
logger.Debugw(ctx, "No pkt in gem found", log.Fields{"path": path})
return uint32(0), nil
}
if Val, err = kvstore.ToByte(value.Value); err != nil {
logger.Error(ctx, "Failed to convert to byte array")
return uint32(0), err
}
if err = json.Unmarshal(Val, &gemPort); err != nil {
logger.Error(ctx, "Failed to unmarshall")
return uint32(0), err
}
logger.Debugw(ctx, "found packein gemport from path", log.Fields{"path": path, "gem": gemPort})
return gemPort, nil
}
//DeletePacketInGemPortForOnu deletes the packet-in gemport for ONU
func (RsrcMgr *OpenOltResourceMgr) DeletePacketInGemPortForOnu(ctx context.Context, intfID uint32, onuID uint32, logicalPort uint32) error {
path := fmt.Sprintf(OnuPacketINPathPrefix, intfID, onuID, logicalPort)
value, err := RsrcMgr.KVStore.List(ctx, path)
if err != nil {
logger.Errorf(ctx, "failed-to-read-value-from-path-%s", path)
return errors.New("failed-to-read-value-from-path-" + path)
}
//remove them one by one
for key := range value {
// Formulate the right key path suffix ti be delete
stringToBeReplaced := fmt.Sprintf(BasePathKvStore, RsrcMgr.KVStore.PathPrefix, RsrcMgr.DeviceID) + "/"
replacedWith := ""
key = strings.Replace(key, stringToBeReplaced, replacedWith, 1)
logger.Debugf(ctx, "removing-key-%s", key)
if err := RsrcMgr.KVStore.Delete(ctx, key); err != nil {
logger.Errorf(ctx, "failed-to-remove-resource-%s", key)
return err
}
}
return nil
}
// DelOnuGemInfoForIntf deletes the onugem info from kvstore per interface
func (RsrcMgr *OpenOltResourceMgr) DelOnuGemInfoForIntf(ctx context.Context, intfID uint32) error {
if err := RsrcMgr.ResourceMgrs[intfID].DelOnuGemInfoForIntf(ctx, intfID); err != nil {
logger.Errorw(ctx, "failed to delete onu gem info for", log.Fields{"intfid": intfID})
return err
}
return nil
}
//GetNNIFromKVStore gets NNi intfids from kvstore. path being per device
func (RsrcMgr *OpenOltResourceMgr) GetNNIFromKVStore(ctx context.Context) ([]uint32, error) {
var nni []uint32
var Val []byte
path := NnniIntfID
value, err := RsrcMgr.KVStore.Get(ctx, path)
if err != nil {
logger.Error(ctx, "failed to get data from kv store")
return nil, err
}
if value != nil {
if Val, err = kvstore.ToByte(value.Value); err != nil {
logger.Error(ctx, "Failed to convert to byte array")
return nil, err
}
if err = json.Unmarshal(Val, &nni); err != nil {
logger.Error(ctx, "Failed to unmarshall")
return nil, err
}
}
return nni, err
}
// AddNNIToKVStore adds Nni interfaces to kvstore, path being per device.
func (RsrcMgr *OpenOltResourceMgr) AddNNIToKVStore(ctx context.Context, nniIntf uint32) error {
var Value []byte
nni, err := RsrcMgr.GetNNIFromKVStore(ctx)
if err != nil {
logger.Error(ctx, "failed to fetch nni interfaces from kv store")
return err
}
path := NnniIntfID
nni = append(nni, nniIntf)
Value, err = json.Marshal(nni)
if err != nil {
logger.Error(ctx, "Failed to marshal data")
}
if err = RsrcMgr.KVStore.Put(ctx, path, Value); err != nil {
logger.Errorw(ctx, "Failed to put to kvstore", log.Fields{"path": path, "value": Value})
return err
}
logger.Debugw(ctx, "added nni to kv successfully", log.Fields{"path": path, "nni": nniIntf})
return nil
}
// DelNNiFromKVStore deletes nni interface list from kv store.
func (RsrcMgr *OpenOltResourceMgr) DelNNiFromKVStore(ctx context.Context) error {
path := NnniIntfID
if err := RsrcMgr.KVStore.Delete(ctx, path); err != nil {
logger.Errorw(ctx, "Failed to delete nni interfaces from kv store", log.Fields{"path": path})
return err
}
return nil
}
//UpdateFlowIDsForGem updates flow id per gemport
func (RsrcMgr *OpenOltResourceMgr) UpdateFlowIDsForGem(ctx context.Context, intf uint32, gem uint32, flowIDs []uint64) error {
var val []byte
path := fmt.Sprintf(FlowIDsForGem, intf)
flowsForGem, err := RsrcMgr.GetFlowIDsGemMapForInterface(ctx, intf)
if err != nil {
logger.Error(ctx, "Failed to ger flowids for interface", log.Fields{"error": err, "intf": intf})
return err
}
if flowsForGem == nil {
flowsForGem = make(map[uint32][]uint64)
}
flowsForGem[gem] = flowIDs
val, err = json.Marshal(flowsForGem)
if err != nil {
logger.Error(ctx, "Failed to marshal data", log.Fields{"error": err})
return err
}
if err = RsrcMgr.KVStore.Put(ctx, path, val); err != nil {
logger.Errorw(ctx, "Failed to put to kvstore", log.Fields{"error": err, "path": path, "value": val})
return err
}
logger.Debugw(ctx, "added flowid list for gem to kv successfully", log.Fields{"path": path, "flowidlist": flowsForGem[gem]})
return nil
}
//DeleteFlowIDsForGem deletes the flowID list entry per gem from kvstore.
func (RsrcMgr *OpenOltResourceMgr) DeleteFlowIDsForGem(ctx context.Context, intf uint32, gem uint32) {
path := fmt.Sprintf(FlowIDsForGem, intf)
var val []byte
flowsForGem, err := RsrcMgr.GetFlowIDsGemMapForInterface(ctx, intf)
if err != nil {
logger.Error(ctx, "Failed to ger flowids for interface", log.Fields{"error": err, "intf": intf})
return
}
if flowsForGem == nil {
logger.Error(ctx, "No flowids found ", log.Fields{"intf": intf, "gemport": gem})
return
}
// once we get the flows per gem map from kv , just delete the gem entry from the map
delete(flowsForGem, gem)
// once gem entry is deleted update the kv store.
val, err = json.Marshal(flowsForGem)
if err != nil {
logger.Error(ctx, "Failed to marshal data", log.Fields{"error": err})
return
}
if err = RsrcMgr.KVStore.Put(ctx, path, val); err != nil {
logger.Errorw(ctx, "Failed to put to kvstore", log.Fields{"error": err, "path": path, "value": val})
}
}
//GetFlowIDsGemMapForInterface gets flowids per gemport and interface
func (RsrcMgr *OpenOltResourceMgr) GetFlowIDsGemMapForInterface(ctx context.Context, intf uint32) (map[uint32][]uint64, error) {
path := fmt.Sprintf(FlowIDsForGem, intf)
var flowsForGem map[uint32][]uint64
var val []byte
value, err := RsrcMgr.KVStore.Get(ctx, path)
if err != nil {
logger.Error(ctx, "failed to get data from kv store")
return nil, err
}
if value != nil && value.Value != nil {
if val, err = kvstore.ToByte(value.Value); err != nil {
logger.Error(ctx, "Failed to convert to byte array ", log.Fields{"error": err})
return nil, err
}
if err = json.Unmarshal(val, &flowsForGem); err != nil {
logger.Error(ctx, "Failed to unmarshall", log.Fields{"error": err})
return nil, err
}
}
return flowsForGem, nil
}
//DeleteIntfIDGempMapPath deletes the intf id path used to store flow ids per gem to kvstore.
func (RsrcMgr *OpenOltResourceMgr) DeleteIntfIDGempMapPath(ctx context.Context, intf uint32) {
path := fmt.Sprintf(FlowIDsForGem, intf)
if err := RsrcMgr.KVStore.Delete(ctx, path); err != nil {
logger.Errorw(ctx, "Failed to delete nni interfaces from kv store", log.Fields{"path": path})
}
}
// RemoveResourceMap Clear resource map associated with (intfid, onuid, uniid) tuple.
func (RsrcMgr *OpenOltResourceMgr) RemoveResourceMap(ctx context.Context, intfID uint32, onuID int32, uniID int32) {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
RsrcMgr.ResourceMgrs[intfID].RemoveResourceMap(ctx, IntfOnuIDUniID)
}
//GetMcastQueuePerInterfaceMap gets multicast queue info per pon interface
func (RsrcMgr *OpenOltResourceMgr) GetMcastQueuePerInterfaceMap(ctx context.Context) (map[uint32][]uint32, error) {
path := McastQueuesForIntf
var mcastQueueToIntfMap map[uint32][]uint32
var val []byte
kvPair, err := RsrcMgr.KVStore.Get(ctx, path)
if err != nil {
logger.Error(ctx, "failed to get data from kv store")
return nil, err
}
if kvPair != nil && kvPair.Value != nil {
if val, err = kvstore.ToByte(kvPair.Value); err != nil {
logger.Error(ctx, "Failed to convert to byte array ", log.Fields{"error": err})
return nil, err
}
if err = json.Unmarshal(val, &mcastQueueToIntfMap); err != nil {
logger.Error(ctx, "Failed to unmarshall ", log.Fields{"error": err})
return nil, err
}
}
return mcastQueueToIntfMap, nil
}
//AddMcastQueueForIntf adds multicast queue for pon interface
func (RsrcMgr *OpenOltResourceMgr) AddMcastQueueForIntf(ctx context.Context, intf uint32, gem uint32, servicePriority uint32) error {
var val []byte
path := McastQueuesForIntf
mcastQueues, err := RsrcMgr.GetMcastQueuePerInterfaceMap(ctx)
if err != nil {
logger.Errorw(ctx, "Failed to get multicast queue info for interface", log.Fields{"error": err, "intf": intf})
return err
}
if mcastQueues == nil {
mcastQueues = make(map[uint32][]uint32)
}
mcastQueues[intf] = []uint32{gem, servicePriority}
if val, err = json.Marshal(mcastQueues); err != nil {
logger.Errorw(ctx, "Failed to marshal data", log.Fields{"error": err})
return err
}
if err = RsrcMgr.KVStore.Put(ctx, path, val); err != nil {
logger.Errorw(ctx, "Failed to put to kvstore", log.Fields{"error": err, "path": path, "value": val})
return err
}
logger.Debugw(ctx, "added multicast queue info to KV store successfully", log.Fields{"path": path, "mcastQueueInfo": mcastQueues[intf], "interfaceId": intf})
return nil
}
//AddFlowGroupToKVStore adds flow group into KV store
func (RsrcMgr *OpenOltResourceMgr) AddFlowGroupToKVStore(ctx context.Context, groupEntry *ofp.OfpGroupEntry, cached bool) error {
var Value []byte
var err error
var path string
if cached {
path = fmt.Sprintf(FlowGroupCached, groupEntry.Desc.GroupId)
} else {
path = fmt.Sprintf(FlowGroup, groupEntry.Desc.GroupId)
}
//build group info object
var outPorts []uint32
for _, ofBucket := range groupEntry.Desc.Buckets {
for _, ofAction := range ofBucket.Actions {
if ofAction.Type == ofp.OfpActionType_OFPAT_OUTPUT {
outPorts = append(outPorts, ofAction.GetOutput().Port)
}
}
}
groupInfo := GroupInfo{
GroupID: groupEntry.Desc.GroupId,
OutPorts: outPorts,
}
Value, err = json.Marshal(groupInfo)
if err != nil {
logger.Error(ctx, "failed to Marshal flow group object")
return err
}
if err = RsrcMgr.KVStore.Put(ctx, path, Value); err != nil {
logger.Errorf(ctx, "Failed to update resource %s", path)
return err
}
return nil
}
//RemoveFlowGroupFromKVStore removes flow group from KV store
func (RsrcMgr *OpenOltResourceMgr) RemoveFlowGroupFromKVStore(ctx context.Context, groupID uint32, cached bool) error {
var path string
if cached {
path = fmt.Sprintf(FlowGroupCached, groupID)
} else {
path = fmt.Sprintf(FlowGroup, groupID)
}
if err := RsrcMgr.KVStore.Delete(ctx, path); err != nil {
logger.Errorf(ctx, "Failed to remove resource %s due to %s", path, err)
return err
}
return nil
}
//GetFlowGroupFromKVStore fetches flow group from the KV store. Returns (false, {} error) if any problem occurs during
//fetching the data. Returns (true, groupInfo, nil) if the group is fetched successfully.
// Returns (false, {}, nil) if the group does not exists in the KV store.
func (RsrcMgr *OpenOltResourceMgr) GetFlowGroupFromKVStore(ctx context.Context, groupID uint32, cached bool) (bool, GroupInfo, error) {
var groupInfo GroupInfo
var path string
if cached {
path = fmt.Sprintf(FlowGroupCached, groupID)
} else {
path = fmt.Sprintf(FlowGroup, groupID)
}
kvPair, err := RsrcMgr.KVStore.Get(ctx, path)
if err != nil {
return false, groupInfo, err
}
if kvPair != nil && kvPair.Value != nil {
Val, err := kvstore.ToByte(kvPair.Value)
if err != nil {
logger.Errorw(ctx, "Failed to convert flow group into byte array", log.Fields{"error": err})
return false, groupInfo, err
}
if err = json.Unmarshal(Val, &groupInfo); err != nil {
logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err})
return false, groupInfo, err
}
return true, groupInfo, nil
}
return false, groupInfo, nil
}
// toByte converts an interface value to a []byte. The interface should either be of
// a string type or []byte. Otherwise, an error is returned.
func toByte(value interface{}) ([]byte, error) {
switch t := value.(type) {
case []byte:
return value.([]byte), nil
case string:
return []byte(value.(string)), nil
default:
return nil, fmt.Errorf("unexpected-type-%T", t)
}
}
func checkForFlowIDInList(FlowIDList []uint64, FlowID uint64) (bool, uint64) {
/*
Check for a flow id in a given list of flow IDs.
:param FLowIDList: List of Flow IDs
:param FlowID: Flowd to check in the list
: return true and the index if present false otherwise.
*/
for idx := range FlowIDList {
if FlowID == FlowIDList[idx] {
return true, uint64(idx)
}
}
return false, 0
}