| /* |
| * 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 ponresourcemanager |
| |
| import ( |
| "context" |
| "encoding/base64" |
| "encoding/json" |
| "errors" |
| "fmt" |
| "time" |
| |
| bitmap "github.com/boljen/go-bitmap" |
| "github.com/opencord/voltha-lib-go/v6/pkg/db" |
| "github.com/opencord/voltha-lib-go/v6/pkg/db/kvstore" |
| "github.com/opencord/voltha-lib-go/v6/pkg/log" |
| ) |
| |
| const ( |
| //Constants to identify resource pool |
| UNI_ID = "UNI_ID" |
| ONU_ID = "ONU_ID" |
| ALLOC_ID = "ALLOC_ID" |
| GEMPORT_ID = "GEMPORT_ID" |
| FLOW_ID = "FLOW_ID" |
| |
| //Constants for passing command line arugments |
| OLT_MODEL_ARG = "--olt_model" |
| |
| PATH_PREFIX = "%s/resource_manager/{%s}" |
| |
| /*The path under which configuration data is stored is defined as technology/device agnostic. |
| That means the path does not include any specific technology/device variable. Using technology/device |
| agnostic path also makes northbound applications, that need to write to this path, |
| technology/device agnostic. |
| |
| Default kv client of PonResourceManager reads from/writes to PATH_PREFIX defined above. |
| That is why, an additional kv client (named KVStoreForConfig) is defined to read from the config path. |
| */ |
| |
| PATH_PREFIX_FOR_CONFIG = "%s/resource_manager/config" |
| /*The resource ranges for a given device model should be placed |
| at 'resource_manager/<technology>/resource_ranges/<olt_model_type>' |
| path on the KV store. |
| If Resource Range parameters are to be read from the external KV store, |
| they are expected to be stored in the following format. |
| Note: All parameters are MANDATORY for now. |
| constants used as keys to reference the resource range parameters from |
| and external KV store. |
| */ |
| UNI_ID_START_IDX = "uni_id_start" |
| UNI_ID_END_IDX = "uni_id_end" |
| ONU_ID_START_IDX = "onu_id_start" |
| ONU_ID_END_IDX = "onu_id_end" |
| ONU_ID_SHARED_IDX = "onu_id_shared" |
| ALLOC_ID_START_IDX = "alloc_id_start" |
| ALLOC_ID_END_IDX = "alloc_id_end" |
| ALLOC_ID_SHARED_IDX = "alloc_id_shared" |
| GEMPORT_ID_START_IDX = "gemport_id_start" |
| GEMPORT_ID_END_IDX = "gemport_id_end" |
| GEMPORT_ID_SHARED_IDX = "gemport_id_shared" |
| FLOW_ID_START_IDX = "flow_id_start" |
| FLOW_ID_END_IDX = "flow_id_end" |
| FLOW_ID_SHARED_IDX = "flow_id_shared" |
| NUM_OF_PON_PORT = "pon_ports" |
| |
| /* |
| The KV store backend is initialized with a path prefix and we need to |
| provide only the suffix. |
| */ |
| PON_RESOURCE_RANGE_CONFIG_PATH = "resource_ranges/%s" |
| |
| //resource path suffix |
| //Path on the KV store for storing alloc id ranges and resource pool for a given interface |
| //Format: <device_id>/alloc_id_pool/<pon_intf_id> |
| ALLOC_ID_POOL_PATH = "{%s}/alloc_id_pool/{%d}" |
| //Path on the KV store for storing gemport id ranges and resource pool for a given interface |
| //Format: <device_id>/gemport_id_pool/<pon_intf_id> |
| GEMPORT_ID_POOL_PATH = "{%s}/gemport_id_pool/{%d}" |
| //Path on the KV store for storing onu id ranges and resource pool for a given interface |
| //Format: <device_id>/onu_id_pool/<pon_intf_id> |
| ONU_ID_POOL_PATH = "{%s}/onu_id_pool/{%d}" |
| //Path on the KV store for storing flow id ranges and resource pool for a given interface |
| //Format: <device_id>/flow_id_pool/<pon_intf_id> |
| FLOW_ID_POOL_PATH = "{%s}/flow_id_pool/{%d}" |
| |
| //Path on the KV store for storing list of alloc IDs for a given ONU |
| //Format: <device_id>/<(pon_intf_id, onu_id)>/alloc_ids |
| ALLOC_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/alloc_ids" |
| |
| //Path on the KV store for storing list of gemport IDs for a given ONU |
| //Format: <device_id>/<(pon_intf_id, onu_id)>/gemport_ids |
| GEMPORT_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/gemport_ids" |
| |
| //Path on the KV store for storing list of Flow IDs for a given ONU |
| //Format: <device_id>/<(pon_intf_id, onu_id)>/flow_ids |
| FLOW_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/flow_ids" |
| |
| //Flow Id info: Use to store more metadata associated with the flow_id |
| FLOW_ID_INFO_PATH_PREFIX = "{%s}/flow_id_info" |
| //Format: <device_id>/flow_id_info/<(pon_intf_id, onu_id)> |
| FLOW_ID_INFO_PATH_INTF_ONU_PREFIX = "{%s}/flow_id_info/{%s}" |
| //Format: <device_id>/flow_id_info/<(pon_intf_id, onu_id)><flow_id> |
| FLOW_ID_INFO_PATH = FLOW_ID_INFO_PATH_PREFIX + "/{%s}/{%d}" |
| |
| //Constants for internal usage. |
| PON_INTF_ID = "pon_intf_id" |
| START_IDX = "start_idx" |
| END_IDX = "end_idx" |
| POOL = "pool" |
| NUM_OF_PON_INTF = 16 |
| |
| KVSTORE_RETRY_TIMEOUT = 5 * time.Second |
| //Path on the KV store for storing reserved gem ports |
| //Format: reserved_gemport_ids |
| RESERVED_GEMPORT_IDS_PATH = "reserved_gemport_ids" |
| ) |
| |
| //type ResourceTypeIndex string |
| //type ResourceType string |
| |
| type PONResourceManager struct { |
| //Implements APIs to initialize/allocate/release alloc/gemport/onu IDs. |
| Technology string |
| DeviceType string |
| DeviceID string |
| Backend string // ETCD only currently |
| Address string // address of the KV store |
| OLTModel string |
| KVStore *db.Backend |
| KVStoreForConfig *db.Backend |
| |
| // Below attribute, pon_resource_ranges, should be initialized |
| // by reading from KV store. |
| PonResourceRanges map[string]interface{} |
| SharedResourceMgrs map[string]*PONResourceManager |
| SharedIdxByType map[string]string |
| IntfIDs []uint32 // list of pon interface IDs |
| Globalorlocal string |
| } |
| |
| 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.WarnLevel) |
| } |
| return nil, errors.New("unsupported-kv-store") |
| } |
| |
| func SetKVClient(ctx context.Context, Technology string, Backend string, Addr string, configClient bool, 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, KVSTORE_RETRY_TIMEOUT) |
| if err != nil { |
| logger.Fatalw(ctx, "Failed to init KV client\n", log.Fields{"err": err}) |
| return nil |
| } |
| |
| var pathPrefix string |
| if configClient { |
| pathPrefix = fmt.Sprintf(PATH_PREFIX_FOR_CONFIG, basePathKvStore) |
| } else { |
| pathPrefix = fmt.Sprintf(PATH_PREFIX, basePathKvStore, Technology) |
| } |
| |
| kvbackend := &db.Backend{ |
| Client: kvClient, |
| StoreType: Backend, |
| Address: Addr, |
| Timeout: KVSTORE_RETRY_TIMEOUT, |
| PathPrefix: pathPrefix} |
| |
| return kvbackend |
| } |
| |
| // NewPONResourceManager creates a new PON resource manager. |
| func NewPONResourceManager(ctx context.Context, Technology string, DeviceType string, DeviceID string, Backend string, Address string, basePathKvStore string) (*PONResourceManager, error) { |
| var PONMgr PONResourceManager |
| PONMgr.Technology = Technology |
| PONMgr.DeviceType = DeviceType |
| PONMgr.DeviceID = DeviceID |
| PONMgr.Backend = Backend |
| PONMgr.Address = Address |
| PONMgr.KVStore = SetKVClient(ctx, Technology, Backend, Address, false, basePathKvStore) |
| if PONMgr.KVStore == nil { |
| logger.Error(ctx, "KV Client initilization failed") |
| return nil, errors.New("Failed to init KV client") |
| } |
| // init kv client to read from the config path |
| PONMgr.KVStoreForConfig = SetKVClient(ctx, Technology, Backend, Address, true, basePathKvStore) |
| if PONMgr.KVStoreForConfig == nil { |
| logger.Error(ctx, "KV Config Client initilization failed") |
| return nil, errors.New("Failed to init KV Config client") |
| } |
| |
| PONMgr.PonResourceRanges = make(map[string]interface{}) |
| PONMgr.SharedResourceMgrs = make(map[string]*PONResourceManager) |
| PONMgr.SharedIdxByType = make(map[string]string) |
| PONMgr.SharedIdxByType[ONU_ID] = ONU_ID_SHARED_IDX |
| PONMgr.SharedIdxByType[ALLOC_ID] = ALLOC_ID_SHARED_IDX |
| PONMgr.SharedIdxByType[GEMPORT_ID] = GEMPORT_ID_SHARED_IDX |
| PONMgr.SharedIdxByType[FLOW_ID] = FLOW_ID_SHARED_IDX |
| PONMgr.IntfIDs = make([]uint32, NUM_OF_PON_INTF) |
| PONMgr.OLTModel = DeviceType |
| return &PONMgr, nil |
| } |
| |
| /* |
| Initialize PON resource ranges with config fetched from kv store. |
| return boolean: True if PON resource ranges initialized else false |
| Try to initialize the PON Resource Ranges from KV store based on the |
| OLT model key, if available |
| */ |
| |
| func (PONRMgr *PONResourceManager) InitResourceRangesFromKVStore(ctx context.Context) bool { |
| //Initialize PON resource ranges with config fetched from kv store. |
| //:return boolean: True if PON resource ranges initialized else false |
| // Try to initialize the PON Resource Ranges from KV store based on the |
| // OLT model key, if available |
| if PONRMgr.OLTModel == "" { |
| logger.Error(ctx, "Failed to get OLT model") |
| return false |
| } |
| Path := fmt.Sprintf(PON_RESOURCE_RANGE_CONFIG_PATH, PONRMgr.OLTModel) |
| //get resource from kv store |
| Result, err := PONRMgr.KVStore.Get(ctx, Path) |
| if err != nil { |
| logger.Debugf(ctx, "Error in fetching resource %s from KV strore", Path) |
| return false |
| } |
| if Result == nil { |
| logger.Debug(ctx, "There may be no resources in the KV store in case of fresh bootup, return true") |
| return false |
| } |
| //update internal ranges from kv ranges. If there are missing |
| // values in the KV profile, continue to use the defaults |
| Value, err := ToByte(Result.Value) |
| if err != nil { |
| logger.Error(ctx, "Failed to convert kvpair to byte string") |
| return false |
| } |
| if err := json.Unmarshal(Value, &PONRMgr.PonResourceRanges); err != nil { |
| logger.Error(ctx, "Failed to Unmarshal json byte") |
| return false |
| } |
| logger.Debug(ctx, "Init resource ranges from kvstore success") |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateRanges(ctx context.Context, StartIDx string, StartID uint32, EndIDx string, EndID uint32, |
| SharedIDx string, SharedPoolID uint32, RMgr *PONResourceManager) { |
| /* |
| Update the ranges for all reosurce type in the intermnal maps |
| param: resource type start index |
| param: start ID |
| param: resource type end index |
| param: end ID |
| param: resource type shared index |
| param: shared pool id |
| param: global resource manager |
| */ |
| logger.Debugf(ctx, "update ranges for %s, %d", StartIDx, StartID) |
| |
| if StartID != 0 { |
| if (PONRMgr.PonResourceRanges[StartIDx] == nil) || (PONRMgr.PonResourceRanges[StartIDx].(uint32) < StartID) { |
| PONRMgr.PonResourceRanges[StartIDx] = StartID |
| } |
| } |
| if EndID != 0 { |
| if (PONRMgr.PonResourceRanges[EndIDx] == nil) || (PONRMgr.PonResourceRanges[EndIDx].(uint32) > EndID) { |
| PONRMgr.PonResourceRanges[EndIDx] = EndID |
| } |
| } |
| //if SharedPoolID != 0 { |
| PONRMgr.PonResourceRanges[SharedIDx] = SharedPoolID |
| //} |
| if RMgr != nil { |
| PONRMgr.SharedResourceMgrs[SharedIDx] = RMgr |
| } |
| } |
| |
| func (PONRMgr *PONResourceManager) InitDefaultPONResourceRanges(ctx context.Context, |
| ONUIDStart uint32, |
| ONUIDEnd uint32, |
| ONUIDSharedPoolID uint32, |
| AllocIDStart uint32, |
| AllocIDEnd uint32, |
| AllocIDSharedPoolID uint32, |
| GEMPortIDStart uint32, |
| GEMPortIDEnd uint32, |
| GEMPortIDSharedPoolID uint32, |
| FlowIDStart uint32, |
| FlowIDEnd uint32, |
| FlowIDSharedPoolID uint32, |
| UNIIDStart uint32, |
| UNIIDEnd uint32, |
| NoOfPONPorts uint32, |
| IntfIDs []uint32) bool { |
| |
| /*Initialize default PON resource ranges |
| |
| :param onu_id_start_idx: onu id start index |
| :param onu_id_end_idx: onu id end index |
| :param onu_id_shared_pool_id: pool idx for id shared by all intfs or None for no sharing |
| :param alloc_id_start_idx: alloc id start index |
| :param alloc_id_end_idx: alloc id end index |
| :param alloc_id_shared_pool_id: pool idx for alloc id shared by all intfs or None for no sharing |
| :param gemport_id_start_idx: gemport id start index |
| :param gemport_id_end_idx: gemport id end index |
| :param gemport_id_shared_pool_id: pool idx for gemport id shared by all intfs or None for no sharing |
| :param flow_id_start_idx: flow id start index |
| :param flow_id_end_idx: flow id end index |
| :param flow_id_shared_pool_id: pool idx for flow id shared by all intfs or None for no sharing |
| :param num_of_pon_ports: number of PON ports |
| :param intf_ids: interfaces serviced by this manager |
| */ |
| PONRMgr.UpdateRanges(ctx, ONU_ID_START_IDX, ONUIDStart, ONU_ID_END_IDX, ONUIDEnd, ONU_ID_SHARED_IDX, ONUIDSharedPoolID, nil) |
| PONRMgr.UpdateRanges(ctx, ALLOC_ID_START_IDX, AllocIDStart, ALLOC_ID_END_IDX, AllocIDEnd, ALLOC_ID_SHARED_IDX, AllocIDSharedPoolID, nil) |
| PONRMgr.UpdateRanges(ctx, GEMPORT_ID_START_IDX, GEMPortIDStart, GEMPORT_ID_END_IDX, GEMPortIDEnd, GEMPORT_ID_SHARED_IDX, GEMPortIDSharedPoolID, nil) |
| PONRMgr.UpdateRanges(ctx, FLOW_ID_START_IDX, FlowIDStart, FLOW_ID_END_IDX, FlowIDEnd, FLOW_ID_SHARED_IDX, FlowIDSharedPoolID, nil) |
| PONRMgr.UpdateRanges(ctx, UNI_ID_START_IDX, UNIIDStart, UNI_ID_END_IDX, UNIIDEnd, "", 0, nil) |
| logger.Debug(ctx, "Initialize default range values") |
| var i uint32 |
| if IntfIDs == nil { |
| for i = 0; i < NoOfPONPorts; i++ { |
| PONRMgr.IntfIDs = append(PONRMgr.IntfIDs, i) |
| } |
| } else { |
| PONRMgr.IntfIDs = IntfIDs |
| } |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) InitDeviceResourcePool(ctx context.Context) error { |
| |
| //Initialize resource pool for all PON ports. |
| |
| logger.Debug(ctx, "Init resource ranges") |
| |
| var err error |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if err = PONRMgr.InitResourceIDPool(ctx, Intf, ONU_ID, |
| PONRMgr.PonResourceRanges[ONU_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[ONU_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init ONU ID resource pool") |
| return err |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if err = PONRMgr.InitResourceIDPool(ctx, Intf, ALLOC_ID, |
| PONRMgr.PonResourceRanges[ALLOC_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[ALLOC_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init ALLOC ID resource pool ") |
| return err |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if err = PONRMgr.InitResourceIDPool(ctx, Intf, GEMPORT_ID, |
| PONRMgr.PonResourceRanges[GEMPORT_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[GEMPORT_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init GEMPORT ID resource pool") |
| return err |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if err = PONRMgr.InitResourceIDPool(ctx, Intf, FLOW_ID, |
| PONRMgr.PonResourceRanges[FLOW_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[FLOW_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init FLOW ID resource pool") |
| return err |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) InitDeviceResourcePoolForIntf(ctx context.Context, intfID uint32) error { |
| |
| logger.Debug(ctx, "Init resource ranges for intf %d", intfID) |
| |
| var err error |
| |
| if err = PONRMgr.InitResourceIDPool(ctx, intfID, ONU_ID, |
| PONRMgr.PonResourceRanges[ONU_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[ONU_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init ONU ID resource pool") |
| return err |
| } |
| |
| if err = PONRMgr.InitResourceIDPool(ctx, intfID, ALLOC_ID, |
| PONRMgr.PonResourceRanges[ALLOC_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[ALLOC_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init ALLOC ID resource pool ") |
| return err |
| } |
| |
| if err = PONRMgr.InitResourceIDPool(ctx, intfID, GEMPORT_ID, |
| PONRMgr.PonResourceRanges[GEMPORT_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[GEMPORT_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init GEMPORT ID resource pool") |
| return err |
| } |
| |
| if err = PONRMgr.InitResourceIDPool(ctx, intfID, FLOW_ID, |
| PONRMgr.PonResourceRanges[FLOW_ID_START_IDX].(uint32), |
| PONRMgr.PonResourceRanges[FLOW_ID_END_IDX].(uint32)); err != nil { |
| logger.Error(ctx, "Failed to init FLOW ID resource pool") |
| return err |
| } |
| |
| return nil |
| } |
| |
| func (PONRMgr *PONResourceManager) ClearDeviceResourcePool(ctx context.Context) error { |
| |
| //Clear resource pool for all PON ports. |
| |
| logger.Debug(ctx, "Clear resource ranges") |
| |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ONU_ID); !status { |
| logger.Error(ctx, "Failed to clear ONU ID resource pool") |
| return errors.New("Failed to clear ONU ID resource pool") |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ALLOC_ID); !status { |
| logger.Error(ctx, "Failed to clear ALLOC ID resource pool ") |
| return errors.New("Failed to clear ALLOC ID resource pool") |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if status := PONRMgr.ClearResourceIDPool(ctx, Intf, GEMPORT_ID); !status { |
| logger.Error(ctx, "Failed to clear GEMPORT ID resource pool") |
| return errors.New("Failed to clear GEMPORT ID resource pool") |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| |
| for _, Intf := range PONRMgr.IntfIDs { |
| SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32) |
| if SharedPoolID != 0 { |
| Intf = SharedPoolID |
| } |
| if status := PONRMgr.ClearResourceIDPool(ctx, Intf, FLOW_ID); !status { |
| logger.Error(ctx, "Failed to clear FLOW ID resource pool") |
| return errors.New("Failed to clear FLOW ID resource pool") |
| } |
| if SharedPoolID != 0 { |
| break |
| } |
| } |
| return nil |
| } |
| |
| func (PONRMgr *PONResourceManager) ClearDeviceResourcePoolForIntf(ctx context.Context, intfID uint32) error { |
| |
| logger.Debugf(ctx, "Clear resource ranges for intf %d", intfID) |
| |
| if status := PONRMgr.ClearResourceIDPool(ctx, intfID, ONU_ID); !status { |
| logger.Error(ctx, "Failed to clear ONU ID resource pool") |
| return errors.New("Failed to clear ONU ID resource pool") |
| } |
| |
| if status := PONRMgr.ClearResourceIDPool(ctx, intfID, ALLOC_ID); !status { |
| logger.Error(ctx, "Failed to clear ALLOC ID resource pool ") |
| return errors.New("Failed to clear ALLOC ID resource pool") |
| } |
| |
| if status := PONRMgr.ClearResourceIDPool(ctx, intfID, GEMPORT_ID); !status { |
| logger.Error(ctx, "Failed to clear GEMPORT ID resource pool") |
| return errors.New("Failed to clear GEMPORT ID resource pool") |
| } |
| |
| if status := PONRMgr.ClearResourceIDPool(ctx, intfID, FLOW_ID); !status { |
| logger.Error(ctx, "Failed to clear FLOW ID resource pool") |
| return errors.New("Failed to clear FLOW ID resource pool") |
| } |
| |
| return nil |
| } |
| |
| func (PONRMgr *PONResourceManager) InitResourceIDPool(ctx context.Context, Intf uint32, ResourceType string, StartID uint32, EndID uint32) error { |
| |
| /*Initialize Resource ID pool for a given Resource Type on a given PON Port |
| |
| :param pon_intf_id: OLT PON interface id |
| :param resource_type: String to identify type of resource |
| :param start_idx: start index for onu id pool |
| :param end_idx: end index for onu id pool |
| :return boolean: True if resource id pool initialized else false |
| */ |
| |
| // delegate to the master instance if sharing enabled across instances |
| SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| return SharedResourceMgr.InitResourceIDPool(ctx, Intf, ResourceType, StartID, EndID) |
| } |
| |
| Path := PONRMgr.GetPath(ctx, Intf, ResourceType) |
| if Path == "" { |
| logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType) |
| return fmt.Errorf("Failed to get path for resource type %s", ResourceType) |
| } |
| |
| //In case of adapter reboot and reconciliation resource in kv store |
| //checked for its presence if not kv store update happens |
| Res, err := PONRMgr.GetResource(ctx, Path) |
| if (err == nil) && (Res != nil) { |
| logger.Debugf(ctx, "Resource %s already present in store ", Path) |
| return nil |
| } else { |
| var excluded []uint32 |
| if ResourceType == GEMPORT_ID { |
| //get gem port ids defined in the KV store, if any, and exclude them from the gem port id pool |
| if reservedGemPortIds, defined := PONRMgr.getReservedGemPortIdsFromKVStore(ctx); defined { |
| excluded = reservedGemPortIds |
| logger.Debugw(ctx, "Excluding some ports from GEM port id pool", log.Fields{"excluded gem ports": excluded}) |
| } |
| } |
| FormatResult, err := PONRMgr.FormatResource(ctx, Intf, StartID, EndID, excluded) |
| if err != nil { |
| logger.Errorf(ctx, "Failed to format resource") |
| return err |
| } |
| // Add resource as json in kv store. |
| err = PONRMgr.KVStore.Put(ctx, Path, FormatResult) |
| if err == nil { |
| logger.Debug(ctx, "Successfuly posted to kv store") |
| return err |
| } |
| } |
| |
| logger.Debug(ctx, "Error initializing pool") |
| |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) getReservedGemPortIdsFromKVStore(ctx context.Context) ([]uint32, bool) { |
| var reservedGemPortIds []uint32 |
| // read reserved gem ports from the config path |
| KvPair, err := PONRMgr.KVStoreForConfig.Get(ctx, RESERVED_GEMPORT_IDS_PATH) |
| if err != nil { |
| logger.Errorw(ctx, "Unable to get reserved GEM port ids from the kv store", log.Fields{"err": err}) |
| return reservedGemPortIds, false |
| } |
| if KvPair == nil || KvPair.Value == nil { |
| //no reserved gem port defined in the store |
| return reservedGemPortIds, false |
| } |
| Val, err := kvstore.ToByte(KvPair.Value) |
| if err != nil { |
| logger.Errorw(ctx, "Failed to convert reserved gem port ids into byte array", log.Fields{"err": err}) |
| return reservedGemPortIds, false |
| } |
| if err = json.Unmarshal(Val, &reservedGemPortIds); err != nil { |
| logger.Errorw(ctx, "Failed to unmarshal reservedGemPortIds", log.Fields{"err": err}) |
| return reservedGemPortIds, false |
| } |
| return reservedGemPortIds, true |
| } |
| |
| func (PONRMgr *PONResourceManager) FormatResource(ctx context.Context, IntfID uint32, StartIDx uint32, EndIDx uint32, |
| Excluded []uint32) ([]byte, error) { |
| /* |
| Format resource as json. |
| :param pon_intf_id: OLT PON interface id |
| :param start_idx: start index for id pool |
| :param end_idx: end index for id pool |
| :Id values to be Excluded from the pool |
| :return dictionary: resource formatted as map |
| */ |
| // Format resource as json to be stored in backend store |
| Resource := make(map[string]interface{}) |
| Resource[PON_INTF_ID] = IntfID |
| Resource[START_IDX] = StartIDx |
| Resource[END_IDX] = EndIDx |
| /* |
| Resource pool stored in backend store as binary string. |
| Tracking the resource allocation will be done by setting the bits \ |
| in the byte array. The index set will be the resource number allocated. |
| */ |
| var TSData *bitmap.Threadsafe |
| if TSData = bitmap.NewTS(int(EndIDx)); TSData == nil { |
| logger.Error(ctx, "Failed to create a bitmap") |
| return nil, errors.New("Failed to create bitmap") |
| } |
| for _, excludedID := range Excluded { |
| if excludedID < StartIDx || excludedID > EndIDx { |
| logger.Warnf(ctx, "Cannot reserve %d. It must be in the range of [%d, %d]", excludedID, |
| StartIDx, EndIDx) |
| continue |
| } |
| PONRMgr.reserveID(ctx, TSData, StartIDx, excludedID) |
| } |
| Resource[POOL] = TSData.Data(false) //we pass false so as the TSData lib api does not do a copy of the data and return |
| |
| Value, err := json.Marshal(Resource) |
| if err != nil { |
| logger.Errorf(ctx, "Failed to marshall resource") |
| return nil, err |
| } |
| return Value, err |
| } |
| func (PONRMgr *PONResourceManager) GetResource(ctx context.Context, Path string) (map[string]interface{}, error) { |
| /* |
| Get resource from kv store. |
| |
| :param path: path to get resource |
| :return: resource if resource present in kv store else None |
| */ |
| //get resource from kv store |
| |
| var Value []byte |
| Result := make(map[string]interface{}) |
| var Str string |
| |
| Resource, err := PONRMgr.KVStore.Get(ctx, Path) |
| if (err != nil) || (Resource == nil) { |
| logger.Debugf(ctx, "Resource unavailable at %s", Path) |
| return nil, err |
| } |
| |
| Value, err = ToByte(Resource.Value) |
| if err != nil { |
| return nil, err |
| } |
| |
| // decode resource fetched from backend store to dictionary |
| err = json.Unmarshal(Value, &Result) |
| if err != nil { |
| logger.Error(ctx, "Failed to decode resource") |
| return Result, err |
| } |
| /* |
| resource pool in backend store stored as binary string whereas to |
| access the pool to generate/release IDs it need to be converted |
| as BitArray |
| */ |
| Str, err = ToString(Result[POOL]) |
| if err != nil { |
| logger.Error(ctx, "Failed to conver to kv pair to string") |
| return Result, err |
| } |
| Decode64, _ := base64.StdEncoding.DecodeString(Str) |
| Result[POOL], err = ToByte(Decode64) |
| if err != nil { |
| logger.Error(ctx, "Failed to convert resource pool to byte") |
| return Result, err |
| } |
| |
| return Result, err |
| } |
| |
| func (PONRMgr *PONResourceManager) GetPath(ctx context.Context, IntfID uint32, ResourceType string) string { |
| /* |
| Get path for given resource type. |
| :param pon_intf_id: OLT PON interface id |
| :param resource_type: String to identify type of resource |
| :return: path for given resource type |
| */ |
| |
| /* |
| Get the shared pool for the given resource type. |
| all the resource ranges and the shared resource maps are initialized during the init. |
| */ |
| SharedPoolID := PONRMgr.PonResourceRanges[PONRMgr.SharedIdxByType[ResourceType]].(uint32) |
| if SharedPoolID != 0 { |
| IntfID = SharedPoolID |
| } |
| var Path string |
| if ResourceType == ONU_ID { |
| Path = fmt.Sprintf(ONU_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| } else if ResourceType == ALLOC_ID { |
| Path = fmt.Sprintf(ALLOC_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| } else if ResourceType == GEMPORT_ID { |
| Path = fmt.Sprintf(GEMPORT_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| } else if ResourceType == FLOW_ID { |
| Path = fmt.Sprintf(FLOW_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| } else { |
| logger.Error(ctx, "Invalid resource pool identifier") |
| } |
| return Path |
| } |
| |
| func (PONRMgr *PONResourceManager) GetResourceID(ctx context.Context, IntfID uint32, ResourceType string, NumIDs uint32) ([]uint32, error) { |
| /* |
| Create alloc/gemport/onu/flow id for given OLT PON interface. |
| :param pon_intf_id: OLT PON interface id |
| :param resource_type: String to identify type of resource |
| :param num_of_id: required number of ids |
| :return list/uint32/None: list, uint32 or None if resource type is |
| alloc_id/gemport_id, onu_id or invalid type respectively |
| */ |
| |
| logger.Debugw(ctx, "getting-resource-id", log.Fields{ |
| "intf-id": IntfID, |
| "resource-type": ResourceType, |
| "num": NumIDs, |
| }) |
| |
| if NumIDs < 1 { |
| logger.Error(ctx, "Invalid number of resources requested") |
| return nil, fmt.Errorf("Invalid number of resources requested %d", NumIDs) |
| } |
| // delegate to the master instance if sharing enabled across instances |
| |
| SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| return SharedResourceMgr.GetResourceID(ctx, IntfID, ResourceType, NumIDs) |
| } |
| logger.Debugf(ctx, "Fetching resource from %s rsrc mgr for resource %s", PONRMgr.Globalorlocal, ResourceType) |
| |
| Path := PONRMgr.GetPath(ctx, IntfID, ResourceType) |
| if Path == "" { |
| logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType) |
| return nil, fmt.Errorf("Failed to get path for resource type %s", ResourceType) |
| } |
| logger.Debugf(ctx, "Get resource for type %s on path %s", ResourceType, Path) |
| var Result []uint32 |
| var NextID uint32 |
| Resource, err := PONRMgr.GetResource(ctx, Path) |
| if (err == nil) && (ResourceType == ONU_ID) || (ResourceType == FLOW_ID) { |
| if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| logger.Error(ctx, "Failed to Generate ID") |
| return Result, err |
| } |
| Result = append(Result, NextID) |
| } else if (err == nil) && ((ResourceType == GEMPORT_ID) || (ResourceType == ALLOC_ID)) { |
| if NumIDs == 1 { |
| if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| logger.Error(ctx, "Failed to Generate ID") |
| return Result, err |
| } |
| Result = append(Result, NextID) |
| } else { |
| for NumIDs > 0 { |
| if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| logger.Error(ctx, "Failed to Generate ID") |
| return Result, err |
| } |
| Result = append(Result, NextID) |
| NumIDs-- |
| } |
| } |
| } else { |
| logger.Error(ctx, "get resource failed") |
| return Result, err |
| } |
| |
| //Update resource in kv store |
| if PONRMgr.UpdateResource(ctx, Path, Resource) != nil { |
| logger.Errorf(ctx, "Failed to update resource %s", Path) |
| return nil, fmt.Errorf("Failed to update resource %s", Path) |
| } |
| return Result, nil |
| } |
| |
| func checkValidResourceType(ResourceType string) bool { |
| KnownResourceTypes := []string{ONU_ID, ALLOC_ID, GEMPORT_ID, FLOW_ID} |
| |
| for _, v := range KnownResourceTypes { |
| if v == ResourceType { |
| return true |
| } |
| } |
| return false |
| } |
| |
| func (PONRMgr *PONResourceManager) FreeResourceID(ctx context.Context, IntfID uint32, ResourceType string, ReleaseContent []uint32) error { |
| /* |
| Release alloc/gemport/onu/flow id for given OLT PON interface. |
| :param pon_intf_id: OLT PON interface id |
| :param resource_type: String to identify type of resource |
| :param release_content: required number of ids |
| :return boolean: True if all IDs in given release_content release else False |
| */ |
| |
| logger.Debugw(ctx, "freeing-resource-id", log.Fields{ |
| "intf-id": IntfID, |
| "resource-type": ResourceType, |
| "release-content": ReleaseContent, |
| }) |
| |
| if !checkValidResourceType(ResourceType) { |
| err := fmt.Errorf("Invalid resource type: %s", ResourceType) |
| logger.Error(ctx, err.Error()) |
| return err |
| } |
| if ReleaseContent == nil { |
| err := fmt.Errorf("Nothing to release") |
| logger.Debug(ctx, err.Error()) |
| return err |
| } |
| // delegate to the master instance if sharing enabled across instances |
| SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| return SharedResourceMgr.FreeResourceID(ctx, IntfID, ResourceType, ReleaseContent) |
| } |
| Path := PONRMgr.GetPath(ctx, IntfID, ResourceType) |
| if Path == "" { |
| err := fmt.Errorf("Failed to get path for IntfId %d and ResourceType %s", IntfID, ResourceType) |
| logger.Error(ctx, err.Error()) |
| return err |
| } |
| Resource, err := PONRMgr.GetResource(ctx, Path) |
| if err != nil { |
| logger.Error(ctx, err.Error()) |
| return err |
| } |
| for _, Val := range ReleaseContent { |
| PONRMgr.ReleaseID(ctx, Resource, Val) |
| } |
| if PONRMgr.UpdateResource(ctx, Path, Resource) != nil { |
| err := fmt.Errorf("Free resource for %s failed", Path) |
| logger.Errorf(ctx, err.Error()) |
| return err |
| } |
| return nil |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateResource(ctx context.Context, Path string, Resource map[string]interface{}) error { |
| /* |
| Update resource in resource kv store. |
| :param path: path to update resource |
| :param resource: resource need to be updated |
| :return boolean: True if resource updated in kv store else False |
| */ |
| // TODO resource[POOL] = resource[POOL].bin |
| Value, err := json.Marshal(Resource) |
| if err != nil { |
| logger.Error(ctx, "failed to Marshal") |
| return err |
| } |
| err = PONRMgr.KVStore.Put(ctx, Path, Value) |
| if err != nil { |
| logger.Error(ctx, "failed to put data to kv store %s", Path) |
| return err |
| } |
| return nil |
| } |
| |
| func (PONRMgr *PONResourceManager) ClearResourceIDPool(ctx context.Context, contIntfID uint32, ResourceType string) bool { |
| /* |
| Clear Resource Pool for a given Resource Type on a given PON Port. |
| :return boolean: True if removed else False |
| */ |
| |
| // delegate to the master instance if sharing enabled across instances |
| SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| return SharedResourceMgr.ClearResourceIDPool(ctx, contIntfID, ResourceType) |
| } |
| Path := PONRMgr.GetPath(ctx, contIntfID, ResourceType) |
| if Path == "" { |
| logger.Error(ctx, "Failed to get path") |
| return false |
| } |
| |
| if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| logger.Errorf(ctx, "Failed to delete resource %s", Path) |
| return false |
| } |
| logger.Debugf(ctx, "Cleared resource %s", Path) |
| return true |
| } |
| |
| func (PONRMgr PONResourceManager) InitResourceMap(ctx context.Context, PONIntfONUID string) { |
| /* |
| Initialize resource map |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| */ |
| // initialize pon_intf_onu_id tuple to alloc_ids map |
| AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| var AllocIDs []byte |
| Result := PONRMgr.KVStore.Put(ctx, AllocIDPath, AllocIDs) |
| if Result != nil { |
| logger.Error(ctx, "Failed to update the KV store") |
| return |
| } |
| // initialize pon_intf_onu_id tuple to gemport_ids map |
| GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| var GEMPortIDs []byte |
| Result = PONRMgr.KVStore.Put(ctx, GEMPortIDPath, GEMPortIDs) |
| if Result != nil { |
| logger.Error(ctx, "Failed to update the KV store") |
| return |
| } |
| } |
| |
| func (PONRMgr PONResourceManager) RemoveResourceMap(ctx context.Context, PONIntfONUID string) bool { |
| /* |
| Remove resource map |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| */ |
| // remove pon_intf_onu_id tuple to alloc_ids map |
| var err error |
| AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| if err = PONRMgr.KVStore.Delete(ctx, AllocIDPath); err != nil { |
| logger.Errorf(ctx, "Failed to remove resource %s", AllocIDPath) |
| return false |
| } |
| // remove pon_intf_onu_id tuple to gemport_ids map |
| GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| err = PONRMgr.KVStore.Delete(ctx, GEMPortIDPath) |
| if err != nil { |
| logger.Errorf(ctx, "Failed to remove resource %s", GEMPortIDPath) |
| return false |
| } |
| |
| FlowIDPath := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| if FlowIDs, err := PONRMgr.KVStore.List(ctx, FlowIDPath); err != nil { |
| for _, Flow := range FlowIDs { |
| FlowIDInfoPath := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, PONIntfONUID, Flow.Value) |
| if err = PONRMgr.KVStore.Delete(ctx, FlowIDInfoPath); err != nil { |
| logger.Errorf(ctx, "Failed to remove resource %s", FlowIDInfoPath) |
| return false |
| } |
| } |
| } |
| |
| if err = PONRMgr.KVStore.Delete(ctx, FlowIDPath); err != nil { |
| logger.Errorf(ctx, "Failed to remove resource %s", FlowIDPath) |
| return false |
| } |
| |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) GetCurrentAllocIDForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| /* |
| Get currently configured alloc ids for given pon_intf_onu_id |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :return list: List of alloc_ids if available, else None |
| */ |
| Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| |
| var Data []uint32 |
| Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| if err == nil { |
| if Value != nil { |
| Val, err := 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 |
| } |
| } |
| } |
| return Data |
| } |
| |
| func (PONRMgr *PONResourceManager) GetCurrentGEMPortIDsForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| /* |
| Get currently configured gemport ids for given pon_intf_onu_id |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :return list: List of gemport IDs if available, else None |
| */ |
| |
| Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| logger.Debugf(ctx, "Getting current gemports for %s", Path) |
| var Data []uint32 |
| Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| if err == nil { |
| if Value != nil { |
| Val, _ := ToByte(Value.Value) |
| if err = json.Unmarshal(Val, &Data); err != nil { |
| logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err}) |
| return Data |
| } |
| } |
| } else { |
| logger.Errorf(ctx, "Failed to get data from kvstore for %s", Path) |
| } |
| return Data |
| } |
| |
| func (PONRMgr *PONResourceManager) GetCurrentFlowIDsForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| /* |
| Get currently configured flow ids for given pon_intf_onu_id |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :return list: List of Flow IDs if available, else None |
| */ |
| |
| Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| |
| var Data []uint32 |
| Value, err := PONRMgr.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 Data |
| } |
| } |
| } |
| return Data |
| } |
| |
| func (PONRMgr *PONResourceManager) GetFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32, Data interface{}) error { |
| /* |
| Get flow details configured for the ONU. |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :param flow_id: Flow Id reference |
| :param Data: Result |
| :return error: nil if no error in getting from KV store |
| */ |
| |
| Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| |
| Value, err := PONRMgr.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}) |
| return err |
| } |
| if err = json.Unmarshal(Val, Data); err != nil { |
| logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err}) |
| return err |
| } |
| } |
| } |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) RemoveFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32) bool { |
| /* |
| Get flow_id details configured for the ONU. |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :param flow_id: Flow Id reference |
| */ |
| Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| |
| if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| logger.Errorf(ctx, "Falied to remove resource %s", Path) |
| return false |
| } |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) RemoveAllFlowIDInfo(ctx context.Context, IntfONUID string) bool { |
| /* |
| Remove flow_id_info details configured for the ONU. |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| */ |
| Path := fmt.Sprintf(FLOW_ID_INFO_PATH_INTF_ONU_PREFIX, PONRMgr.DeviceID, IntfONUID) |
| |
| if err := PONRMgr.KVStore.DeleteWithPrefix(ctx, Path); err != nil { |
| logger.Errorf(ctx, "Falied to remove resource %s", Path) |
| return false |
| } |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateAllocIdsForOnu(ctx context.Context, IntfONUID string, AllocIDs []uint32) error { |
| /* |
| Update currently configured alloc ids for given pon_intf_onu_id |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :param alloc_ids: list of alloc ids |
| */ |
| var Value []byte |
| var err error |
| Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| Value, err = json.Marshal(AllocIDs) |
| if err != nil { |
| logger.Error(ctx, "failed to Marshal") |
| return err |
| } |
| |
| if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| logger.Errorf(ctx, "Failed to update resource %s", Path) |
| return err |
| } |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateGEMPortIDsForOnu(ctx context.Context, IntfONUID string, GEMPortIDs []uint32) error { |
| /* |
| Update currently configured gemport ids for given pon_intf_onu_id |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :param gemport_ids: list of gem port ids |
| */ |
| |
| var Value []byte |
| var err error |
| Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| logger.Debugf(ctx, "Updating gemport ids for %s", Path) |
| Value, err = json.Marshal(GEMPortIDs) |
| if err != nil { |
| logger.Error(ctx, "failed to Marshal") |
| return err |
| } |
| |
| if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| logger.Errorf(ctx, "Failed to update resource %s", Path) |
| return err |
| } |
| return err |
| } |
| |
| func checkForFlowIDInList(FlowIDList []uint32, FlowID uint32) (bool, uint32) { |
| /* |
| 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, uint32(idx) |
| } |
| } |
| return false, 0 |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateFlowIDForOnu(ctx context.Context, IntfONUID string, FlowID uint32, 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 uint32 |
| Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| FlowIDs := PONRMgr.GetCurrentFlowIDsForOnu(ctx, IntfONUID) |
| |
| 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 = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| logger.Errorf(ctx, "Failed to update resource %s", Path) |
| return err |
| } |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) UpdateFlowIDInfoForOnu(ctx context.Context, IntfONUID string, FlowID uint32, FlowData interface{}) error { |
| /* |
| Update any metadata associated with the flow_id. The flow_data could be json |
| or any of other data structure. The resource manager doesnt care |
| :param pon_intf_onu_id: reference of PON interface id and onu id |
| :param flow_id: Flow ID |
| :param flow_data: Flow data blob |
| */ |
| var Value []byte |
| var err error |
| Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| Value, err = json.Marshal(FlowData) |
| if err != nil { |
| logger.Error(ctx, "failed to Marshal") |
| return err |
| } |
| |
| if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| logger.Errorf(ctx, "Failed to update resource %s", Path) |
| return err |
| } |
| return err |
| } |
| |
| func (PONRMgr *PONResourceManager) GenerateNextID(ctx context.Context, Resource map[string]interface{}) (uint32, error) { |
| /* |
| Generate unique id having OFFSET as start |
| :param resource: resource used to generate ID |
| :return uint32: generated id |
| */ |
| ByteArray, err := ToByte(Resource[POOL]) |
| if err != nil { |
| logger.Error(ctx, "Failed to convert resource to byte array") |
| return 0, err |
| } |
| Data := bitmap.TSFromData(ByteArray, false) |
| if Data == nil { |
| logger.Error(ctx, "Failed to get data from byte array") |
| return 0, errors.New("Failed to get data from byte array") |
| } |
| |
| Len := Data.Len() |
| var Idx int |
| for Idx = 0; Idx < Len; Idx++ { |
| if !Data.Get(Idx) { |
| break |
| } |
| } |
| Data.Set(Idx, true) |
| res := uint32(Resource[START_IDX].(float64)) |
| Resource[POOL] = Data.Data(false) |
| logger.Debugf(ctx, "Generated ID for %d", (uint32(Idx) + res)) |
| return (uint32(Idx) + res), err |
| } |
| |
| func (PONRMgr *PONResourceManager) ReleaseID(ctx context.Context, Resource map[string]interface{}, Id uint32) bool { |
| /* |
| Release unique id having OFFSET as start index. |
| :param resource: resource used to release ID |
| :param unique_id: id need to be released |
| */ |
| ByteArray, err := ToByte(Resource[POOL]) |
| if err != nil { |
| logger.Error(ctx, "Failed to convert resource to byte array") |
| return false |
| } |
| Data := bitmap.TSFromData(ByteArray, false) |
| if Data == nil { |
| logger.Error(ctx, "Failed to get resource pool") |
| return false |
| } |
| Idx := Id - uint32(Resource[START_IDX].(float64)) |
| Data.Set(int(Idx), false) |
| Resource[POOL] = Data.Data(false) |
| |
| return true |
| } |
| |
| /* Reserves a unique id in the specified resource pool. |
| :param Resource: resource used to reserve ID |
| :param Id: ID to be reserved |
| */ |
| func (PONRMgr *PONResourceManager) reserveID(ctx context.Context, TSData *bitmap.Threadsafe, StartIndex uint32, Id uint32) bool { |
| Data := bitmap.TSFromData(TSData.Data(false), false) |
| if Data == nil { |
| logger.Error(ctx, "Failed to get resource pool") |
| return false |
| } |
| Idx := Id - StartIndex |
| Data.Set(int(Idx), true) |
| return true |
| } |
| |
| func (PONRMgr *PONResourceManager) GetTechnology() string { |
| return PONRMgr.Technology |
| } |
| |
| func (PONRMgr *PONResourceManager) GetResourceTypeAllocID() string { |
| return ALLOC_ID |
| } |
| |
| func (PONRMgr *PONResourceManager) GetResourceTypeGemPortID() string { |
| return GEMPORT_ID |
| } |
| |
| func (PONRMgr *PONResourceManager) GetResourceTypeOnuID() string { |
| return ONU_ID |
| } |
| |
| // 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) |
| } |
| } |
| |
| // ToString converts an interface value to a string. The interface should either be of |
| // a string type or []byte. Otherwise, an error is returned. |
| func ToString(value interface{}) (string, error) { |
| switch t := value.(type) { |
| case []byte: |
| return string(value.([]byte)), nil |
| case string: |
| return value.(string), nil |
| default: |
| return "", fmt.Errorf("unexpected-type-%T", t) |
| } |
| } |