blob: 799a7332f79cda5942c7604f4988a186bb77228c [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 (
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"github.com/opencord/voltha-go/common/log"
ponrmgr "github.com/opencord/voltha-go/common/ponresourcemanager"
"github.com/opencord/voltha-go/db/kvstore"
"github.com/opencord/voltha-go/db/model"
"github.com/opencord/voltha-protos/go/openolt"
)
// KvstoreTimeout specifies the time out for KV Store Connection
const KvstoreTimeout = 5
// BasePathKvStore - service/voltha/openolt/<device_id>
const BasePathKvStore = "service/voltha/openolt/{%s}"
// FlowInfo holds the flow information
type FlowInfo struct {
Flow *openolt.Flow
FlowStoreCookie uint64
FlowCategory string
}
// OpenOltResourceMgr holds resource related information as provided below for each field
type OpenOltResourceMgr struct {
DeviceID string // OLT device id
HostAndPort string // Host and port of the kv store to connect to
Args string // args
KVStore *model.Backend // backend kv store connection handle
DeviceType string
Host string // Host ip of the kv store
Port int // port of the kv store
DevInfo *openolt.DeviceInfo // device information
// array of pon resource managers per interface technology
ResourceMgrs map[uint32]*ponrmgr.PONResourceManager
}
func newKVClient(storeType, address string, timeout uint32) (kvstore.Client, error) {
log.Infow("kv-store-type", log.Fields{"store": storeType})
switch storeType {
case "consul":
return kvstore.NewConsulClient(address, int(timeout))
case "etcd":
return kvstore.NewEtcdClient(address, int(timeout))
}
return nil, errors.New("unsupported-kv-store")
}
// SetKVClient sets the KV client and return a kv backend
func SetKVClient(backend string, Host string, Port int, DeviceID string) *model.Backend {
addr := Host + ":" + strconv.Itoa(Port)
// 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(backend, addr, KvstoreTimeout)
if err != nil {
log.Fatalw("Failed to init KV client\n", log.Fields{"err": err})
return nil
}
kvbackend := &model.Backend{
Client: kvClient,
StoreType: backend,
Host: Host,
Port: Port,
Timeout: KvstoreTimeout,
PathPrefix: fmt.Sprintf(BasePathKvStore, DeviceID)}
return kvbackend
}
// NewResourceMgr init a New resource maanger instance which in turn instantiates pon resource manager
// instances according to technology. Initializes the default resource ranges for all
// the resources.
func NewResourceMgr(deviceID string, KVStoreHostPort string, kvStoreType string, deviceType string, devInfo *openolt.DeviceInfo) *OpenOltResourceMgr {
var ResourceMgr OpenOltResourceMgr
log.Debugf("Init new resource manager , host_port: %s, deviceid: %s", KVStoreHostPort, deviceID)
ResourceMgr.HostAndPort = KVStoreHostPort
ResourceMgr.DeviceType = deviceType
ResourceMgr.DevInfo = devInfo
IPPort := strings.Split(KVStoreHostPort, ":")
ResourceMgr.Host = IPPort[0]
ResourceMgr.Port, _ = strconv.Atoi(IPPort[1])
Backend := kvStoreType
ResourceMgr.KVStore = SetKVClient(Backend, ResourceMgr.Host,
ResourceMgr.Port, deviceID)
if ResourceMgr.KVStore == nil {
log.Error("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)
// 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 informaiton. 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()
NumPONPorts := devInfo.GetPonPorts()
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
ranges.Pools = append(ranges.Pools, &Pool)
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
ranges.Pools = append(ranges.Pools, &Pool)
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
ranges.Pools = append(ranges.Pools, &Pool)
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
log.Debugf("Device info technology %s", technology)
Ranges[technology] = TechRange
RsrcMgrsByTech[technology], err = ponrmgr.NewPONResourceManager(technology, deviceType, deviceID,
Backend, ResourceMgr.Host, ResourceMgr.Port)
if err != nil {
log.Errorf("Failed to create pon resource manager instacnce 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[uint32(IntfID)] = RsrcMgrsByTech[technology]
}
// self.initialize_device_resource_range_and_pool(resource_mgr, global_resource_mgr, arange)
InitializeDeviceResourceRangeAndPool(RsrcMgrsByTech[technology], GlobalPONRsrcMgr,
TechRange, devInfo)
}
// After we have initialized resource ranges, initialize the
// resource pools accordingly.
for _, PONRMgr := range RsrcMgrsByTech {
_ = PONRMgr.InitDeviceResourcePool()
}
log.Info("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(ponRMgr *ponrmgr.PONResourceManager, globalPONRMgr *ponrmgr.PONResourceManager,
techRange *openolt.DeviceInfo_DeviceResourceRanges, devInfo *openolt.DeviceInfo) {
// init the resource range pool according to the sharing type
log.Debugf("Resource range pool init for technology %s", ponRMgr.Technology)
// first load from KV profiles
status := ponRMgr.InitResourceRangesFromKVStore()
if !status {
log.Debugf("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 informationw ill
dictate the range limits
*/
log.Debugf("Using device info to init pon resource ranges for 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
}
}
log.Debugw("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(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(ponrmgr.ONU_ID_START_IDX, ONUIDStart, ponrmgr.ONU_ID_END_IDX, ONUIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(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(ponrmgr.ALLOC_ID_START_IDX, AllocIDStart, ponrmgr.ALLOC_ID_END_IDX, AllocIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(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(ponrmgr.GEMPORT_ID_START_IDX, GEMPortIDStart, ponrmgr.GEMPORT_ID_END_IDX, GEMPortIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(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(ponrmgr.FLOW_ID_START_IDX, FlowIDStart, ponrmgr.FLOW_ID_END_IDX, FlowIDEnd,
"", 0, nil)
ponRMgr.UpdateRanges(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(ponrmgr.UNI_ID_START_IDX, 0, ponrmgr.UNI_ID_END_IDX /* TODO =OpenOltPlatform.MAX_UNIS_PER_ONU-1*/, 1, "", 0, nil)
}
/* 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)
*/
// GetONUID returns the available OnuID for the given pon-port
func (RsrcMgr *OpenOltResourceMgr) GetONUID(ponIntfID uint32) (uint32, error) {
// Get ONU id for a provided pon interface ID.
ONUID, err := RsrcMgr.ResourceMgrs[ponIntfID].GetResourceID(ponIntfID,
ponrmgr.ONU_ID, 1)
if err != nil {
log.Errorf("Failed to get resource for interface %d for type %s",
ponIntfID, ponrmgr.ONU_ID)
return ONUID[0], err
}
if ONUID != nil {
RsrcMgr.ResourceMgrs[ponIntfID].InitResourceMap(fmt.Sprintf("%d,%d", ponIntfID, ONUID))
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(ponIntfID uint32, onuID uint32, uniID uint32, flowID uint32) *[]FlowInfo {
var flows []FlowInfo
FlowPath := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
if err := RsrcMgr.ResourceMgrs[ponIntfID].GetFlowIDInfo(FlowPath, flowID, &flows); err != nil {
log.Errorw("Error while getting flows from KV store", log.Fields{"flowId": flowID})
return nil
}
if len(flows) == 0 {
log.Debugw("No flowInfo found in KV store", log.Fields{"flowPath": FlowPath})
return nil
}
return &flows
}
// 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(PONIntfID uint32, ONUID uint32, UNIID uint32) []uint32 {
FlowPath := fmt.Sprintf("%d,%d,%d", PONIntfID, ONUID, UNIID)
return RsrcMgr.ResourceMgrs[PONIntfID].GetCurrentFlowIDsForOnu(FlowPath)
}
// 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(ponIntfID int32, onuID int32, uniID int32,
flowID uint32, flowData *[]FlowInfo) error {
FlowPath := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
return RsrcMgr.ResourceMgrs[uint32(ponIntfID)].UpdateFlowIDInfoForOnu(FlowPath, flowID, *flowData)
}
// GetFlowID return flow ID for a given pon interface id, onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) GetFlowID(ponIntfID uint32, ONUID uint32, uniID uint32,
flowStoreCookie uint64,
flowCategory string) (uint32, error) {
var err error
FlowPath := fmt.Sprintf("%d,%d,%d", ponIntfID, ONUID, uniID)
FlowIDs := RsrcMgr.ResourceMgrs[ponIntfID].GetCurrentFlowIDsForOnu(FlowPath)
if FlowIDs != nil {
log.Debugw("Found flowId(s) for this ONU", log.Fields{"pon": ponIntfID, "ONUID": ONUID, "uniID": uniID, "KVpath": FlowPath})
for _, flowID := range FlowIDs {
FlowInfo := RsrcMgr.GetFlowIDInfo(ponIntfID, ONUID, uniID, uint32(flowID))
if FlowInfo != nil {
for _, Info := range *FlowInfo {
if flowCategory != "" && Info.FlowCategory == flowCategory {
log.Debug("Found flow matching with flow category", log.Fields{"flowId": flowID, "flowCategory": flowCategory})
return flowID, nil
}
if flowStoreCookie != 0 && Info.FlowStoreCookie == flowStoreCookie {
log.Debug("Found flow matching with flowStore cookie", log.Fields{"flowId": flowID, "flowStoreCookie": flowStoreCookie})
return flowID, nil
}
}
}
}
}
log.Debug("No matching flows with flow cookie or flow category, allocating new flowid")
FlowIDs, err = RsrcMgr.ResourceMgrs[ponIntfID].GetResourceID(ponIntfID,
ponrmgr.FLOW_ID, 1)
if err != nil {
log.Errorf("Failed to get resource for interface %d for type %s",
ponIntfID, ponrmgr.FLOW_ID)
return uint32(0), err
}
if FlowIDs != nil {
_ = RsrcMgr.ResourceMgrs[ponIntfID].UpdateFlowIDForOnu(FlowPath, FlowIDs[0], true)
return FlowIDs[0], err
}
return 0, err
}
// 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(intfID uint32, onuID uint32, uniID uint32) uint32 {
var err error
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
AllocID := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(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.
log.Debugw("Retrieved alloc ID from pon resource mgr", log.Fields{"AllocID": AllocID})
return AllocID[0]
}
AllocID, err = RsrcMgr.ResourceMgrs[intfID].GetResourceID(intfID,
ponrmgr.ALLOC_ID, 1)
if AllocID == nil || err != nil {
log.Error("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(IntfOnuIDUniID, AllocID)
if err != nil {
log.Error("Failed to update Alloc ID")
return 0
}
log.Debugw("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(ponPort uint32, onuID uint32, uniID uint32, allocID []uint32) error {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", ponPort, onuID, uniID)
return RsrcMgr.ResourceMgrs[ponPort].UpdateAllocIdsForOnu(IntfOnuIDUniID,
allocID)
}
// GetCurrentGEMPortIDsForOnu returns gem ports for given pon interface , onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) GetCurrentGEMPortIDsForOnu(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(IntfOnuIDUniID)
}
// GetCurrentAllocIDForOnu returns alloc ids for given pon interface and onu id
// Currently of all the alloc_ids available, it returns the first alloc_id in the list for tha given ONU
func (RsrcMgr *OpenOltResourceMgr) GetCurrentAllocIDForOnu(intfID uint32, onuID uint32, uniID uint32) uint32 {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
AllocID := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(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.
return AllocID[0]
}
return 0
}
// 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(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 := fmt.Sprintf("%d %d", onuID, uniID)
for _, GEM := range gemPorts {
IntfGEMPortPath = fmt.Sprintf("%d,%d", PonPort, GEM)
Val, err := json.Marshal(Data)
if err != nil {
log.Error("failed to Marshal")
return err
}
if err = RsrcMgr.KVStore.Put(IntfGEMPortPath, Val); err != nil {
log.Errorf("Failed to update resource %s", IntfGEMPortPath)
return err
}
}
return nil
}
// 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(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)
GEMPortList := RsrcMgr.ResourceMgrs[ponPort].GetCurrentGEMPortIDsForOnu(IntfOnuIDUniID)
if GEMPortList != nil {
return GEMPortList, nil
}
GEMPortList, err = RsrcMgr.ResourceMgrs[ponPort].GetResourceID(ponPort,
ponrmgr.GEMPORT_ID, NumOfPorts)
if err != nil && GEMPortList == nil {
log.Errorf("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(IntfOnuIDUniID,
GEMPortList)
if err != nil {
log.Errorf("Failed to update GEM ports to kv store for %s", IntfOnuIDUniID)
return nil, err
}
_ = RsrcMgr.UpdateGEMportsPonportToOnuMapOnKVStore(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(ponPort uint32, onuID uint32,
uniID uint32, GEMPortList []uint32) error {
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", ponPort, onuID, uniID)
return RsrcMgr.ResourceMgrs[ponPort].UpdateGEMPortIDsForOnu(IntfOnuIDUniID,
GEMPortList)
}
// FreeonuID releases(make free) onu id for a particular pon-port
func (RsrcMgr *OpenOltResourceMgr) FreeonuID(intfID uint32, onuID []uint32) {
RsrcMgr.ResourceMgrs[intfID].FreeResourceID(intfID, ponrmgr.ONU_ID, onuID)
/* 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(IntfonuID)
}
}
// FreeFlowID returns the free flow id for a given interface, onu id and uni id
func (RsrcMgr *OpenOltResourceMgr) FreeFlowID(IntfID uint32, onuID uint32,
uniID uint32, FlowID uint32) {
var IntfONUID string
var err error
IntfONUID = fmt.Sprintf("%d,%d,%d", IntfID, onuID, uniID)
err = RsrcMgr.ResourceMgrs[IntfID].UpdateFlowIDForOnu(IntfONUID, FlowID, false)
if err != nil {
log.Error("Failed to Update flow id infor for %s", IntfONUID)
}
RsrcMgr.ResourceMgrs[IntfID].RemoveFlowIDInfo(IntfONUID, FlowID)
}
// FreeFlowIDs releases the flow Ids
func (RsrcMgr *OpenOltResourceMgr) FreeFlowIDs(IntfID uint32, onuID uint32,
uniID uint32, FlowID []uint32) {
RsrcMgr.ResourceMgrs[IntfID].FreeResourceID(IntfID, ponrmgr.FLOW_ID, FlowID)
var IntfOnuIDUniID string
var err error
for _, flow := range FlowID {
IntfOnuIDUniID = fmt.Sprintf("%d,%d,%d", IntfID, onuID, uniID)
err = RsrcMgr.ResourceMgrs[IntfID].UpdateFlowIDForOnu(IntfOnuIDUniID, flow, false)
if err != nil {
log.Error("Failed to Update flow id infor for %s", IntfOnuIDUniID)
}
RsrcMgr.ResourceMgrs[IntfID].RemoveFlowIDInfo(IntfOnuIDUniID, flow)
}
}
// 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(intfID uint32, onuID uint32, uniID uint32) {
var onuIDs []uint32
onuIDs = append(onuIDs, onuID)
IntfOnuIDUniID := fmt.Sprintf("%d,%d,%d", intfID, onuID, uniID)
AllocIDs := RsrcMgr.ResourceMgrs[intfID].GetCurrentAllocIDForOnu(IntfOnuIDUniID)
RsrcMgr.ResourceMgrs[intfID].FreeResourceID(intfID,
ponrmgr.ALLOC_ID,
AllocIDs)
GEMPortIDs := RsrcMgr.ResourceMgrs[intfID].GetCurrentGEMPortIDsForOnu(IntfOnuIDUniID)
RsrcMgr.ResourceMgrs[intfID].FreeResourceID(intfID,
ponrmgr.GEMPORT_ID,
GEMPortIDs)
FlowIDs := RsrcMgr.ResourceMgrs[intfID].GetCurrentFlowIDsForOnu(IntfOnuIDUniID)
RsrcMgr.ResourceMgrs[intfID].FreeResourceID(intfID,
ponrmgr.FLOW_ID,
FlowIDs)
RsrcMgr.ResourceMgrs[intfID].FreeResourceID(intfID,
ponrmgr.ONU_ID,
onuIDs)
// Clear resource map associated with (pon_intf_id, gemport_id) tuple.
RsrcMgr.ResourceMgrs[intfID].RemoveResourceMap(IntfOnuIDUniID)
// Clear the ONU Id associated with the (pon_intf_id, gemport_id) tuple.
for _, GEM := range GEMPortIDs {
_ = RsrcMgr.KVStore.Delete(fmt.Sprintf("%d,%d", intfID, GEM))
}
}
// IsFlowCookieOnKVStore checks if the given flow cookie is present on the kv store
// Returns true if the flow cookie is found, otherwise it returns false
func (RsrcMgr *OpenOltResourceMgr) IsFlowCookieOnKVStore(ponIntfID uint32, onuID uint32, uniID uint32,
flowStoreCookie uint64) bool {
FlowPath := fmt.Sprintf("%d,%d,%d", ponIntfID, onuID, uniID)
FlowIDs := RsrcMgr.ResourceMgrs[ponIntfID].GetCurrentFlowIDsForOnu(FlowPath)
if FlowIDs != nil {
log.Debugw("Found flowId(s) for this ONU", log.Fields{"pon": ponIntfID, "onuID": onuID, "uniID": uniID, "KVpath": FlowPath})
for _, flowID := range FlowIDs {
FlowInfo := RsrcMgr.GetFlowIDInfo(ponIntfID, onuID, uniID, uint32(flowID))
if FlowInfo != nil {
log.Debugw("Found flows", log.Fields{"flows": *FlowInfo, "flowId": flowID})
for _, Info := range *FlowInfo {
if Info.FlowStoreCookie == flowStoreCookie {
log.Debug("Found flow matching with flowStore cookie", log.Fields{"flowId": flowID, "flowStoreCookie": flowStoreCookie})
return true
}
}
}
}
}
return false
}