khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019-present Open Networking Foundation |
| 3 | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package ponresourcemanager |
| 18 | |
| 19 | import ( |
| 20 | "context" |
| 21 | "encoding/base64" |
| 22 | "encoding/json" |
| 23 | "errors" |
| 24 | "fmt" |
| 25 | "time" |
| 26 | |
| 27 | bitmap "github.com/boljen/go-bitmap" |
| 28 | "github.com/opencord/voltha-lib-go/v7/pkg/db" |
| 29 | "github.com/opencord/voltha-lib-go/v7/pkg/db/kvstore" |
| 30 | "github.com/opencord/voltha-lib-go/v7/pkg/log" |
| 31 | ) |
| 32 | |
| 33 | const ( |
| 34 | //Constants to identify resource pool |
| 35 | UNI_ID = "UNI_ID" |
| 36 | ONU_ID = "ONU_ID" |
| 37 | ALLOC_ID = "ALLOC_ID" |
| 38 | GEMPORT_ID = "GEMPORT_ID" |
| 39 | FLOW_ID = "FLOW_ID" |
| 40 | |
| 41 | //Constants for passing command line arguments |
| 42 | OLT_MODEL_ARG = "--olt_model" |
| 43 | |
| 44 | PATH_PREFIX = "%s/resource_manager/{%s}" |
| 45 | |
| 46 | /*The path under which configuration data is stored is defined as technology/device agnostic. |
| 47 | That means the path does not include any specific technology/device variable. Using technology/device |
| 48 | agnostic path also makes northbound applications, that need to write to this path, |
| 49 | technology/device agnostic. |
| 50 | |
| 51 | Default kv client of PonResourceManager reads from/writes to PATH_PREFIX defined above. |
| 52 | That is why, an additional kv client (named KVStoreForConfig) is defined to read from the config path. |
| 53 | */ |
| 54 | |
| 55 | PATH_PREFIX_FOR_CONFIG = "%s/resource_manager/config" |
| 56 | /*The resource ranges for a given device model should be placed |
| 57 | at 'resource_manager/<technology>/resource_ranges/<olt_model_type>' |
| 58 | path on the KV store. |
| 59 | If Resource Range parameters are to be read from the external KV store, |
| 60 | they are expected to be stored in the following format. |
| 61 | Note: All parameters are MANDATORY for now. |
| 62 | constants used as keys to reference the resource range parameters from |
| 63 | and external KV store. |
| 64 | */ |
| 65 | UNI_ID_START_IDX = "uni_id_start" |
| 66 | UNI_ID_END_IDX = "uni_id_end" |
| 67 | ONU_ID_START_IDX = "onu_id_start" |
| 68 | ONU_ID_END_IDX = "onu_id_end" |
| 69 | ONU_ID_SHARED_IDX = "onu_id_shared" |
| 70 | ALLOC_ID_START_IDX = "alloc_id_start" |
| 71 | ALLOC_ID_END_IDX = "alloc_id_end" |
| 72 | ALLOC_ID_SHARED_IDX = "alloc_id_shared" |
| 73 | GEMPORT_ID_START_IDX = "gemport_id_start" |
| 74 | GEMPORT_ID_END_IDX = "gemport_id_end" |
| 75 | GEMPORT_ID_SHARED_IDX = "gemport_id_shared" |
| 76 | FLOW_ID_START_IDX = "flow_id_start" |
| 77 | FLOW_ID_END_IDX = "flow_id_end" |
| 78 | FLOW_ID_SHARED_IDX = "flow_id_shared" |
| 79 | NUM_OF_PON_PORT = "pon_ports" |
| 80 | |
| 81 | /* |
| 82 | The KV store backend is initialized with a path prefix and we need to |
| 83 | provide only the suffix. |
| 84 | */ |
| 85 | PON_RESOURCE_RANGE_CONFIG_PATH = "resource_ranges/%s" |
| 86 | |
| 87 | //resource path suffix |
| 88 | //Path on the KV store for storing alloc id ranges and resource pool for a given interface |
| 89 | //Format: <device_id>/alloc_id_pool/<pon_intf_id> |
| 90 | ALLOC_ID_POOL_PATH = "{%s}/alloc_id_pool/{%d}" |
| 91 | //Path on the KV store for storing gemport id ranges and resource pool for a given interface |
| 92 | //Format: <device_id>/gemport_id_pool/<pon_intf_id> |
| 93 | GEMPORT_ID_POOL_PATH = "{%s}/gemport_id_pool/{%d}" |
| 94 | //Path on the KV store for storing onu id ranges and resource pool for a given interface |
| 95 | //Format: <device_id>/onu_id_pool/<pon_intf_id> |
| 96 | ONU_ID_POOL_PATH = "{%s}/onu_id_pool/{%d}" |
| 97 | //Path on the KV store for storing flow id ranges and resource pool for a given interface |
| 98 | //Format: <device_id>/flow_id_pool/<pon_intf_id> |
| 99 | FLOW_ID_POOL_PATH = "{%s}/flow_id_pool/{%d}" |
| 100 | |
| 101 | //Path on the KV store for storing list of alloc IDs for a given ONU |
| 102 | //Format: <device_id>/<(pon_intf_id, onu_id)>/alloc_ids |
| 103 | ALLOC_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/alloc_ids" |
| 104 | |
| 105 | //Path on the KV store for storing list of gemport IDs for a given ONU |
| 106 | //Format: <device_id>/<(pon_intf_id, onu_id)>/gemport_ids |
| 107 | GEMPORT_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/gemport_ids" |
| 108 | |
| 109 | //Path on the KV store for storing list of Flow IDs for a given ONU |
| 110 | //Format: <device_id>/<(pon_intf_id, onu_id)>/flow_ids |
| 111 | FLOW_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/flow_ids" |
| 112 | |
| 113 | //Flow Id info: Use to store more metadata associated with the flow_id |
| 114 | FLOW_ID_INFO_PATH_PREFIX = "{%s}/flow_id_info" |
| 115 | //Format: <device_id>/flow_id_info/<(pon_intf_id, onu_id)> |
| 116 | FLOW_ID_INFO_PATH_INTF_ONU_PREFIX = "{%s}/flow_id_info/{%s}" |
| 117 | //Format: <device_id>/flow_id_info/<(pon_intf_id, onu_id)><flow_id> |
| 118 | FLOW_ID_INFO_PATH = FLOW_ID_INFO_PATH_PREFIX + "/{%s}/{%d}" |
| 119 | |
| 120 | //Constants for internal usage. |
| 121 | PON_INTF_ID = "pon_intf_id" |
| 122 | START_IDX = "start_idx" |
| 123 | END_IDX = "end_idx" |
| 124 | POOL = "pool" |
| 125 | NUM_OF_PON_INTF = 16 |
| 126 | |
| 127 | KVSTORE_RETRY_TIMEOUT = 5 * time.Second |
| 128 | //Path on the KV store for storing reserved gem ports |
| 129 | //Format: reserved_gemport_ids |
| 130 | RESERVED_GEMPORT_IDS_PATH = "reserved_gemport_ids" |
| 131 | ) |
| 132 | |
| 133 | //type ResourceTypeIndex string |
| 134 | //type ResourceType string |
| 135 | |
| 136 | type PONResourceManager struct { |
| 137 | //Implements APIs to initialize/allocate/release alloc/gemport/onu IDs. |
| 138 | Technology string |
| 139 | DeviceType string |
| 140 | DeviceID string |
| 141 | Backend string // ETCD only currently |
| 142 | Address string // address of the KV store |
| 143 | OLTModel string |
| 144 | KVStore *db.Backend |
| 145 | KVStoreForConfig *db.Backend |
| 146 | |
| 147 | // Below attribute, pon_resource_ranges, should be initialized |
| 148 | // by reading from KV store. |
| 149 | PonResourceRanges map[string]interface{} |
| 150 | SharedResourceMgrs map[string]*PONResourceManager |
| 151 | SharedIdxByType map[string]string |
| 152 | IntfIDs []uint32 // list of pon interface IDs |
| 153 | Globalorlocal string |
| 154 | } |
| 155 | |
| 156 | func newKVClient(ctx context.Context, storeType string, address string, timeout time.Duration) (kvstore.Client, error) { |
| 157 | logger.Infow(ctx, "kv-store-type", log.Fields{"store": storeType}) |
| 158 | switch storeType { |
| 159 | case "etcd": |
| 160 | return kvstore.NewEtcdClient(ctx, address, timeout, log.WarnLevel) |
Joey Armstrong | a6af152 | 2023-01-17 16:06:16 -0500 | [diff] [blame] | 161 | case "redis": |
| 162 | return kvstore.NewRedisClient(address, timeout, false) |
| 163 | case "redis-sentinel": |
| 164 | return kvstore.NewRedisClient(address, timeout, true) |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 165 | } |
| 166 | return nil, errors.New("unsupported-kv-store") |
| 167 | } |
| 168 | |
| 169 | func SetKVClient(ctx context.Context, Technology string, Backend string, Addr string, configClient bool, basePathKvStore string) *db.Backend { |
| 170 | // TODO : Make sure direct call to NewBackend is working fine with backend , currently there is some |
| 171 | // issue between kv store and backend , core is not calling NewBackend directly |
| 172 | kvClient, err := newKVClient(ctx, Backend, Addr, KVSTORE_RETRY_TIMEOUT) |
| 173 | if err != nil { |
| 174 | logger.Fatalw(ctx, "Failed to init KV client\n", log.Fields{"err": err}) |
| 175 | return nil |
| 176 | } |
| 177 | |
| 178 | var pathPrefix string |
| 179 | if configClient { |
| 180 | pathPrefix = fmt.Sprintf(PATH_PREFIX_FOR_CONFIG, basePathKvStore) |
| 181 | } else { |
| 182 | pathPrefix = fmt.Sprintf(PATH_PREFIX, basePathKvStore, Technology) |
| 183 | } |
| 184 | |
| 185 | kvbackend := &db.Backend{ |
| 186 | Client: kvClient, |
| 187 | StoreType: Backend, |
| 188 | Address: Addr, |
| 189 | Timeout: KVSTORE_RETRY_TIMEOUT, |
| 190 | PathPrefix: pathPrefix} |
| 191 | |
| 192 | return kvbackend |
| 193 | } |
| 194 | |
Holger Hildebrandt | 143b5be | 2023-02-10 08:28:15 +0000 | [diff] [blame] | 195 | func (PONRMgr *PONResourceManager) CloseKVClient(ctx context.Context) { |
| 196 | if PONRMgr.KVStore != nil { |
| 197 | PONRMgr.KVStore.Client.Close(ctx) |
| 198 | PONRMgr.KVStore = nil |
| 199 | } |
| 200 | if PONRMgr.KVStoreForConfig != nil { |
| 201 | PONRMgr.KVStoreForConfig.Client.Close(ctx) |
| 202 | PONRMgr.KVStoreForConfig = nil |
| 203 | } |
| 204 | } |
| 205 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 206 | // NewPONResourceManager creates a new PON resource manager. |
| 207 | func NewPONResourceManager(ctx context.Context, Technology string, DeviceType string, DeviceID string, Backend string, Address string, basePathKvStore string) (*PONResourceManager, error) { |
| 208 | var PONMgr PONResourceManager |
| 209 | PONMgr.Technology = Technology |
| 210 | PONMgr.DeviceType = DeviceType |
| 211 | PONMgr.DeviceID = DeviceID |
| 212 | PONMgr.Backend = Backend |
| 213 | PONMgr.Address = Address |
| 214 | PONMgr.KVStore = SetKVClient(ctx, Technology, Backend, Address, false, basePathKvStore) |
| 215 | if PONMgr.KVStore == nil { |
| 216 | logger.Error(ctx, "KV Client initilization failed") |
| 217 | return nil, errors.New("Failed to init KV client") |
| 218 | } |
| 219 | // init kv client to read from the config path |
| 220 | PONMgr.KVStoreForConfig = SetKVClient(ctx, Technology, Backend, Address, true, basePathKvStore) |
| 221 | if PONMgr.KVStoreForConfig == nil { |
| 222 | logger.Error(ctx, "KV Config Client initilization failed") |
| 223 | return nil, errors.New("Failed to init KV Config client") |
| 224 | } |
| 225 | |
| 226 | PONMgr.PonResourceRanges = make(map[string]interface{}) |
| 227 | PONMgr.SharedResourceMgrs = make(map[string]*PONResourceManager) |
| 228 | PONMgr.SharedIdxByType = make(map[string]string) |
| 229 | PONMgr.SharedIdxByType[ONU_ID] = ONU_ID_SHARED_IDX |
| 230 | PONMgr.SharedIdxByType[ALLOC_ID] = ALLOC_ID_SHARED_IDX |
| 231 | PONMgr.SharedIdxByType[GEMPORT_ID] = GEMPORT_ID_SHARED_IDX |
| 232 | PONMgr.SharedIdxByType[FLOW_ID] = FLOW_ID_SHARED_IDX |
| 233 | PONMgr.IntfIDs = make([]uint32, NUM_OF_PON_INTF) |
| 234 | PONMgr.OLTModel = DeviceType |
| 235 | return &PONMgr, nil |
| 236 | } |
| 237 | |
| 238 | /* |
| 239 | Initialize PON resource ranges with config fetched from kv store. |
| 240 | return boolean: True if PON resource ranges initialized else false |
| 241 | Try to initialize the PON Resource Ranges from KV store based on the |
| 242 | OLT model key, if available |
| 243 | */ |
| 244 | |
| 245 | func (PONRMgr *PONResourceManager) InitResourceRangesFromKVStore(ctx context.Context) bool { |
| 246 | //Initialize PON resource ranges with config fetched from kv store. |
| 247 | //:return boolean: True if PON resource ranges initialized else false |
| 248 | // Try to initialize the PON Resource Ranges from KV store based on the |
| 249 | // OLT model key, if available |
| 250 | if PONRMgr.OLTModel == "" { |
| 251 | logger.Error(ctx, "Failed to get OLT model") |
| 252 | return false |
| 253 | } |
| 254 | Path := fmt.Sprintf(PON_RESOURCE_RANGE_CONFIG_PATH, PONRMgr.OLTModel) |
| 255 | //get resource from kv store |
| 256 | Result, err := PONRMgr.KVStore.Get(ctx, Path) |
| 257 | if err != nil { |
| 258 | logger.Debugf(ctx, "Error in fetching resource %s from KV strore", Path) |
| 259 | return false |
| 260 | } |
| 261 | if Result == nil { |
| 262 | logger.Debug(ctx, "There may be no resources in the KV store in case of fresh bootup, return true") |
| 263 | return false |
| 264 | } |
| 265 | //update internal ranges from kv ranges. If there are missing |
| 266 | // values in the KV profile, continue to use the defaults |
| 267 | Value, err := ToByte(Result.Value) |
| 268 | if err != nil { |
| 269 | logger.Error(ctx, "Failed to convert kvpair to byte string") |
| 270 | return false |
| 271 | } |
| 272 | if err := json.Unmarshal(Value, &PONRMgr.PonResourceRanges); err != nil { |
| 273 | logger.Error(ctx, "Failed to Unmarshal json byte") |
| 274 | return false |
| 275 | } |
| 276 | logger.Debug(ctx, "Init resource ranges from kvstore success") |
| 277 | return true |
| 278 | } |
| 279 | |
| 280 | func (PONRMgr *PONResourceManager) UpdateRanges(ctx context.Context, StartIDx string, StartID uint32, EndIDx string, EndID uint32, |
| 281 | SharedIDx string, SharedPoolID uint32, RMgr *PONResourceManager) { |
| 282 | /* |
| 283 | Update the ranges for all reosurce type in the intermnal maps |
| 284 | param: resource type start index |
| 285 | param: start ID |
| 286 | param: resource type end index |
| 287 | param: end ID |
| 288 | param: resource type shared index |
| 289 | param: shared pool id |
| 290 | param: global resource manager |
| 291 | */ |
| 292 | logger.Debugf(ctx, "update ranges for %s, %d", StartIDx, StartID) |
| 293 | |
| 294 | if StartID != 0 { |
| 295 | if (PONRMgr.PonResourceRanges[StartIDx] == nil) || (PONRMgr.PonResourceRanges[StartIDx].(uint32) < StartID) { |
| 296 | PONRMgr.PonResourceRanges[StartIDx] = StartID |
| 297 | } |
| 298 | } |
| 299 | if EndID != 0 { |
| 300 | if (PONRMgr.PonResourceRanges[EndIDx] == nil) || (PONRMgr.PonResourceRanges[EndIDx].(uint32) > EndID) { |
| 301 | PONRMgr.PonResourceRanges[EndIDx] = EndID |
| 302 | } |
| 303 | } |
| 304 | //if SharedPoolID != 0 { |
| 305 | PONRMgr.PonResourceRanges[SharedIDx] = SharedPoolID |
| 306 | //} |
| 307 | if RMgr != nil { |
| 308 | PONRMgr.SharedResourceMgrs[SharedIDx] = RMgr |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | func (PONRMgr *PONResourceManager) InitDefaultPONResourceRanges(ctx context.Context, |
| 313 | ONUIDStart uint32, |
| 314 | ONUIDEnd uint32, |
| 315 | ONUIDSharedPoolID uint32, |
| 316 | AllocIDStart uint32, |
| 317 | AllocIDEnd uint32, |
| 318 | AllocIDSharedPoolID uint32, |
| 319 | GEMPortIDStart uint32, |
| 320 | GEMPortIDEnd uint32, |
| 321 | GEMPortIDSharedPoolID uint32, |
| 322 | FlowIDStart uint32, |
| 323 | FlowIDEnd uint32, |
| 324 | FlowIDSharedPoolID uint32, |
| 325 | UNIIDStart uint32, |
| 326 | UNIIDEnd uint32, |
| 327 | NoOfPONPorts uint32, |
| 328 | IntfIDs []uint32) bool { |
| 329 | |
| 330 | /*Initialize default PON resource ranges |
| 331 | |
| 332 | :param onu_id_start_idx: onu id start index |
| 333 | :param onu_id_end_idx: onu id end index |
| 334 | :param onu_id_shared_pool_id: pool idx for id shared by all intfs or None for no sharing |
| 335 | :param alloc_id_start_idx: alloc id start index |
| 336 | :param alloc_id_end_idx: alloc id end index |
| 337 | :param alloc_id_shared_pool_id: pool idx for alloc id shared by all intfs or None for no sharing |
| 338 | :param gemport_id_start_idx: gemport id start index |
| 339 | :param gemport_id_end_idx: gemport id end index |
| 340 | :param gemport_id_shared_pool_id: pool idx for gemport id shared by all intfs or None for no sharing |
| 341 | :param flow_id_start_idx: flow id start index |
| 342 | :param flow_id_end_idx: flow id end index |
| 343 | :param flow_id_shared_pool_id: pool idx for flow id shared by all intfs or None for no sharing |
| 344 | :param num_of_pon_ports: number of PON ports |
| 345 | :param intf_ids: interfaces serviced by this manager |
| 346 | */ |
| 347 | PONRMgr.UpdateRanges(ctx, ONU_ID_START_IDX, ONUIDStart, ONU_ID_END_IDX, ONUIDEnd, ONU_ID_SHARED_IDX, ONUIDSharedPoolID, nil) |
| 348 | PONRMgr.UpdateRanges(ctx, ALLOC_ID_START_IDX, AllocIDStart, ALLOC_ID_END_IDX, AllocIDEnd, ALLOC_ID_SHARED_IDX, AllocIDSharedPoolID, nil) |
| 349 | PONRMgr.UpdateRanges(ctx, GEMPORT_ID_START_IDX, GEMPortIDStart, GEMPORT_ID_END_IDX, GEMPortIDEnd, GEMPORT_ID_SHARED_IDX, GEMPortIDSharedPoolID, nil) |
| 350 | PONRMgr.UpdateRanges(ctx, FLOW_ID_START_IDX, FlowIDStart, FLOW_ID_END_IDX, FlowIDEnd, FLOW_ID_SHARED_IDX, FlowIDSharedPoolID, nil) |
| 351 | PONRMgr.UpdateRanges(ctx, UNI_ID_START_IDX, UNIIDStart, UNI_ID_END_IDX, UNIIDEnd, "", 0, nil) |
| 352 | logger.Debug(ctx, "Initialize default range values") |
| 353 | var i uint32 |
| 354 | if IntfIDs == nil { |
| 355 | for i = 0; i < NoOfPONPorts; i++ { |
| 356 | PONRMgr.IntfIDs = append(PONRMgr.IntfIDs, i) |
| 357 | } |
| 358 | } else { |
| 359 | PONRMgr.IntfIDs = IntfIDs |
| 360 | } |
| 361 | return true |
| 362 | } |
| 363 | |
| 364 | func (PONRMgr *PONResourceManager) InitDeviceResourcePool(ctx context.Context) error { |
| 365 | |
| 366 | //Initialize resource pool for all PON ports. |
| 367 | |
| 368 | logger.Debug(ctx, "Init resource ranges") |
| 369 | |
| 370 | var err error |
| 371 | for _, Intf := range PONRMgr.IntfIDs { |
| 372 | SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32) |
| 373 | if SharedPoolID != 0 { |
| 374 | Intf = SharedPoolID |
| 375 | } |
| 376 | if err = PONRMgr.InitResourceIDPool(ctx, Intf, ONU_ID, |
| 377 | PONRMgr.PonResourceRanges[ONU_ID_START_IDX].(uint32), |
| 378 | PONRMgr.PonResourceRanges[ONU_ID_END_IDX].(uint32)); err != nil { |
| 379 | logger.Error(ctx, "Failed to init ONU ID resource pool") |
| 380 | return err |
| 381 | } |
| 382 | if SharedPoolID != 0 { |
| 383 | break |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | for _, Intf := range PONRMgr.IntfIDs { |
| 388 | SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32) |
| 389 | if SharedPoolID != 0 { |
| 390 | Intf = SharedPoolID |
| 391 | } |
| 392 | if err = PONRMgr.InitResourceIDPool(ctx, Intf, ALLOC_ID, |
| 393 | PONRMgr.PonResourceRanges[ALLOC_ID_START_IDX].(uint32), |
| 394 | PONRMgr.PonResourceRanges[ALLOC_ID_END_IDX].(uint32)); err != nil { |
| 395 | logger.Error(ctx, "Failed to init ALLOC ID resource pool ") |
| 396 | return err |
| 397 | } |
| 398 | if SharedPoolID != 0 { |
| 399 | break |
| 400 | } |
| 401 | } |
| 402 | for _, Intf := range PONRMgr.IntfIDs { |
| 403 | SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32) |
| 404 | if SharedPoolID != 0 { |
| 405 | Intf = SharedPoolID |
| 406 | } |
| 407 | if err = PONRMgr.InitResourceIDPool(ctx, Intf, GEMPORT_ID, |
| 408 | PONRMgr.PonResourceRanges[GEMPORT_ID_START_IDX].(uint32), |
| 409 | PONRMgr.PonResourceRanges[GEMPORT_ID_END_IDX].(uint32)); err != nil { |
| 410 | logger.Error(ctx, "Failed to init GEMPORT ID resource pool") |
| 411 | return err |
| 412 | } |
| 413 | if SharedPoolID != 0 { |
| 414 | break |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | for _, Intf := range PONRMgr.IntfIDs { |
| 419 | SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32) |
| 420 | if SharedPoolID != 0 { |
| 421 | Intf = SharedPoolID |
| 422 | } |
| 423 | if err = PONRMgr.InitResourceIDPool(ctx, Intf, FLOW_ID, |
| 424 | PONRMgr.PonResourceRanges[FLOW_ID_START_IDX].(uint32), |
| 425 | PONRMgr.PonResourceRanges[FLOW_ID_END_IDX].(uint32)); err != nil { |
| 426 | logger.Error(ctx, "Failed to init FLOW ID resource pool") |
| 427 | return err |
| 428 | } |
| 429 | if SharedPoolID != 0 { |
| 430 | break |
| 431 | } |
| 432 | } |
| 433 | return err |
| 434 | } |
| 435 | |
| 436 | func (PONRMgr *PONResourceManager) InitDeviceResourcePoolForIntf(ctx context.Context, intfID uint32) error { |
| 437 | |
| 438 | logger.Debug(ctx, "Init resource ranges for intf %d", intfID) |
| 439 | |
| 440 | var err error |
| 441 | |
| 442 | if err = PONRMgr.InitResourceIDPool(ctx, intfID, ONU_ID, |
| 443 | PONRMgr.PonResourceRanges[ONU_ID_START_IDX].(uint32), |
| 444 | PONRMgr.PonResourceRanges[ONU_ID_END_IDX].(uint32)); err != nil { |
| 445 | logger.Error(ctx, "Failed to init ONU ID resource pool") |
| 446 | return err |
| 447 | } |
| 448 | |
| 449 | if err = PONRMgr.InitResourceIDPool(ctx, intfID, ALLOC_ID, |
| 450 | PONRMgr.PonResourceRanges[ALLOC_ID_START_IDX].(uint32), |
| 451 | PONRMgr.PonResourceRanges[ALLOC_ID_END_IDX].(uint32)); err != nil { |
| 452 | logger.Error(ctx, "Failed to init ALLOC ID resource pool ") |
| 453 | return err |
| 454 | } |
| 455 | |
| 456 | if err = PONRMgr.InitResourceIDPool(ctx, intfID, GEMPORT_ID, |
| 457 | PONRMgr.PonResourceRanges[GEMPORT_ID_START_IDX].(uint32), |
| 458 | PONRMgr.PonResourceRanges[GEMPORT_ID_END_IDX].(uint32)); err != nil { |
| 459 | logger.Error(ctx, "Failed to init GEMPORT ID resource pool") |
| 460 | return err |
| 461 | } |
| 462 | |
| 463 | if err = PONRMgr.InitResourceIDPool(ctx, intfID, FLOW_ID, |
| 464 | PONRMgr.PonResourceRanges[FLOW_ID_START_IDX].(uint32), |
| 465 | PONRMgr.PonResourceRanges[FLOW_ID_END_IDX].(uint32)); err != nil { |
| 466 | logger.Error(ctx, "Failed to init FLOW ID resource pool") |
| 467 | return err |
| 468 | } |
| 469 | |
| 470 | return nil |
| 471 | } |
| 472 | |
| 473 | func (PONRMgr *PONResourceManager) ClearDeviceResourcePool(ctx context.Context) error { |
| 474 | |
| 475 | //Clear resource pool for all PON ports. |
| 476 | |
| 477 | logger.Debug(ctx, "Clear resource ranges") |
| 478 | |
| 479 | for _, Intf := range PONRMgr.IntfIDs { |
| 480 | SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32) |
| 481 | if SharedPoolID != 0 { |
| 482 | Intf = SharedPoolID |
| 483 | } |
| 484 | if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ONU_ID); !status { |
| 485 | logger.Error(ctx, "Failed to clear ONU ID resource pool") |
| 486 | return errors.New("Failed to clear ONU ID resource pool") |
| 487 | } |
| 488 | if SharedPoolID != 0 { |
| 489 | break |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | for _, Intf := range PONRMgr.IntfIDs { |
| 494 | SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32) |
| 495 | if SharedPoolID != 0 { |
| 496 | Intf = SharedPoolID |
| 497 | } |
| 498 | if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ALLOC_ID); !status { |
| 499 | logger.Error(ctx, "Failed to clear ALLOC ID resource pool ") |
| 500 | return errors.New("Failed to clear ALLOC ID resource pool") |
| 501 | } |
| 502 | if SharedPoolID != 0 { |
| 503 | break |
| 504 | } |
| 505 | } |
| 506 | for _, Intf := range PONRMgr.IntfIDs { |
| 507 | SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32) |
| 508 | if SharedPoolID != 0 { |
| 509 | Intf = SharedPoolID |
| 510 | } |
| 511 | if status := PONRMgr.ClearResourceIDPool(ctx, Intf, GEMPORT_ID); !status { |
| 512 | logger.Error(ctx, "Failed to clear GEMPORT ID resource pool") |
| 513 | return errors.New("Failed to clear GEMPORT ID resource pool") |
| 514 | } |
| 515 | if SharedPoolID != 0 { |
| 516 | break |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | for _, Intf := range PONRMgr.IntfIDs { |
| 521 | SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32) |
| 522 | if SharedPoolID != 0 { |
| 523 | Intf = SharedPoolID |
| 524 | } |
| 525 | if status := PONRMgr.ClearResourceIDPool(ctx, Intf, FLOW_ID); !status { |
| 526 | logger.Error(ctx, "Failed to clear FLOW ID resource pool") |
| 527 | return errors.New("Failed to clear FLOW ID resource pool") |
| 528 | } |
| 529 | if SharedPoolID != 0 { |
| 530 | break |
| 531 | } |
| 532 | } |
| 533 | return nil |
| 534 | } |
| 535 | |
| 536 | func (PONRMgr *PONResourceManager) ClearDeviceResourcePoolForIntf(ctx context.Context, intfID uint32) error { |
| 537 | |
| 538 | logger.Debugf(ctx, "Clear resource ranges for intf %d", intfID) |
| 539 | |
| 540 | if status := PONRMgr.ClearResourceIDPool(ctx, intfID, ONU_ID); !status { |
| 541 | logger.Error(ctx, "Failed to clear ONU ID resource pool") |
| 542 | return errors.New("Failed to clear ONU ID resource pool") |
| 543 | } |
| 544 | |
| 545 | if status := PONRMgr.ClearResourceIDPool(ctx, intfID, ALLOC_ID); !status { |
| 546 | logger.Error(ctx, "Failed to clear ALLOC ID resource pool ") |
| 547 | return errors.New("Failed to clear ALLOC ID resource pool") |
| 548 | } |
| 549 | |
| 550 | if status := PONRMgr.ClearResourceIDPool(ctx, intfID, GEMPORT_ID); !status { |
| 551 | logger.Error(ctx, "Failed to clear GEMPORT ID resource pool") |
| 552 | return errors.New("Failed to clear GEMPORT ID resource pool") |
| 553 | } |
| 554 | |
| 555 | if status := PONRMgr.ClearResourceIDPool(ctx, intfID, FLOW_ID); !status { |
| 556 | logger.Error(ctx, "Failed to clear FLOW ID resource pool") |
| 557 | return errors.New("Failed to clear FLOW ID resource pool") |
| 558 | } |
| 559 | |
| 560 | return nil |
| 561 | } |
| 562 | |
| 563 | func (PONRMgr *PONResourceManager) InitResourceIDPool(ctx context.Context, Intf uint32, ResourceType string, StartID uint32, EndID uint32) error { |
| 564 | |
| 565 | /*Initialize Resource ID pool for a given Resource Type on a given PON Port |
| 566 | |
| 567 | :param pon_intf_id: OLT PON interface id |
| 568 | :param resource_type: String to identify type of resource |
| 569 | :param start_idx: start index for onu id pool |
| 570 | :param end_idx: end index for onu id pool |
| 571 | :return boolean: True if resource id pool initialized else false |
| 572 | */ |
| 573 | |
| 574 | // delegate to the master instance if sharing enabled across instances |
| 575 | SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| 576 | if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| 577 | return SharedResourceMgr.InitResourceIDPool(ctx, Intf, ResourceType, StartID, EndID) |
| 578 | } |
| 579 | |
| 580 | Path := PONRMgr.GetPath(ctx, Intf, ResourceType) |
| 581 | if Path == "" { |
| 582 | logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType) |
| 583 | return fmt.Errorf("Failed to get path for resource type %s", ResourceType) |
| 584 | } |
| 585 | |
| 586 | //In case of adapter reboot and reconciliation resource in kv store |
| 587 | //checked for its presence if not kv store update happens |
| 588 | Res, err := PONRMgr.GetResource(ctx, Path) |
| 589 | if (err == nil) && (Res != nil) { |
| 590 | logger.Debugf(ctx, "Resource %s already present in store ", Path) |
| 591 | return nil |
| 592 | } else { |
| 593 | var excluded []uint32 |
| 594 | if ResourceType == GEMPORT_ID { |
| 595 | //get gem port ids defined in the KV store, if any, and exclude them from the gem port id pool |
| 596 | if reservedGemPortIds, defined := PONRMgr.getReservedGemPortIdsFromKVStore(ctx); defined { |
| 597 | excluded = reservedGemPortIds |
| 598 | logger.Debugw(ctx, "Excluding some ports from GEM port id pool", log.Fields{"excluded gem ports": excluded}) |
| 599 | } |
| 600 | } |
| 601 | FormatResult, err := PONRMgr.FormatResource(ctx, Intf, StartID, EndID, excluded) |
| 602 | if err != nil { |
| 603 | logger.Errorf(ctx, "Failed to format resource") |
| 604 | return err |
| 605 | } |
| 606 | // Add resource as json in kv store. |
| 607 | err = PONRMgr.KVStore.Put(ctx, Path, FormatResult) |
| 608 | if err == nil { |
| 609 | logger.Debug(ctx, "Successfuly posted to kv store") |
| 610 | return err |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | logger.Debug(ctx, "Error initializing pool") |
| 615 | |
| 616 | return err |
| 617 | } |
| 618 | |
| 619 | func (PONRMgr *PONResourceManager) getReservedGemPortIdsFromKVStore(ctx context.Context) ([]uint32, bool) { |
| 620 | var reservedGemPortIds []uint32 |
| 621 | // read reserved gem ports from the config path |
| 622 | KvPair, err := PONRMgr.KVStoreForConfig.Get(ctx, RESERVED_GEMPORT_IDS_PATH) |
| 623 | if err != nil { |
| 624 | logger.Errorw(ctx, "Unable to get reserved GEM port ids from the kv store", log.Fields{"err": err}) |
| 625 | return reservedGemPortIds, false |
| 626 | } |
| 627 | if KvPair == nil || KvPair.Value == nil { |
| 628 | //no reserved gem port defined in the store |
| 629 | return reservedGemPortIds, false |
| 630 | } |
| 631 | Val, err := kvstore.ToByte(KvPair.Value) |
| 632 | if err != nil { |
| 633 | logger.Errorw(ctx, "Failed to convert reserved gem port ids into byte array", log.Fields{"err": err}) |
| 634 | return reservedGemPortIds, false |
| 635 | } |
| 636 | if err = json.Unmarshal(Val, &reservedGemPortIds); err != nil { |
| 637 | logger.Errorw(ctx, "Failed to unmarshal reservedGemPortIds", log.Fields{"err": err}) |
| 638 | return reservedGemPortIds, false |
| 639 | } |
| 640 | return reservedGemPortIds, true |
| 641 | } |
| 642 | |
| 643 | func (PONRMgr *PONResourceManager) FormatResource(ctx context.Context, IntfID uint32, StartIDx uint32, EndIDx uint32, |
| 644 | Excluded []uint32) ([]byte, error) { |
| 645 | /* |
| 646 | Format resource as json. |
| 647 | :param pon_intf_id: OLT PON interface id |
| 648 | :param start_idx: start index for id pool |
| 649 | :param end_idx: end index for id pool |
| 650 | :Id values to be Excluded from the pool |
| 651 | :return dictionary: resource formatted as map |
| 652 | */ |
| 653 | // Format resource as json to be stored in backend store |
| 654 | Resource := make(map[string]interface{}) |
| 655 | Resource[PON_INTF_ID] = IntfID |
| 656 | Resource[START_IDX] = StartIDx |
| 657 | Resource[END_IDX] = EndIDx |
| 658 | /* |
| 659 | Resource pool stored in backend store as binary string. |
| 660 | Tracking the resource allocation will be done by setting the bits \ |
| 661 | in the byte array. The index set will be the resource number allocated. |
| 662 | */ |
| 663 | var TSData *bitmap.Threadsafe |
| 664 | if TSData = bitmap.NewTS(int(EndIDx)); TSData == nil { |
| 665 | logger.Error(ctx, "Failed to create a bitmap") |
| 666 | return nil, errors.New("Failed to create bitmap") |
| 667 | } |
| 668 | for _, excludedID := range Excluded { |
| 669 | if excludedID < StartIDx || excludedID > EndIDx { |
| 670 | logger.Warnf(ctx, "Cannot reserve %d. It must be in the range of [%d, %d]", excludedID, |
| 671 | StartIDx, EndIDx) |
| 672 | continue |
| 673 | } |
| 674 | PONRMgr.reserveID(ctx, TSData, StartIDx, excludedID) |
| 675 | } |
| 676 | Resource[POOL] = TSData.Data(false) //we pass false so as the TSData lib api does not do a copy of the data and return |
| 677 | |
| 678 | Value, err := json.Marshal(Resource) |
| 679 | if err != nil { |
| 680 | logger.Errorf(ctx, "Failed to marshall resource") |
| 681 | return nil, err |
| 682 | } |
| 683 | return Value, err |
| 684 | } |
| 685 | func (PONRMgr *PONResourceManager) GetResource(ctx context.Context, Path string) (map[string]interface{}, error) { |
| 686 | /* |
| 687 | Get resource from kv store. |
| 688 | |
| 689 | :param path: path to get resource |
| 690 | :return: resource if resource present in kv store else None |
| 691 | */ |
| 692 | //get resource from kv store |
| 693 | |
| 694 | var Value []byte |
| 695 | Result := make(map[string]interface{}) |
| 696 | var Str string |
| 697 | |
| 698 | Resource, err := PONRMgr.KVStore.Get(ctx, Path) |
| 699 | if (err != nil) || (Resource == nil) { |
| 700 | logger.Debugf(ctx, "Resource unavailable at %s", Path) |
| 701 | return nil, err |
| 702 | } |
| 703 | |
| 704 | Value, err = ToByte(Resource.Value) |
| 705 | if err != nil { |
| 706 | return nil, err |
| 707 | } |
| 708 | |
| 709 | // decode resource fetched from backend store to dictionary |
| 710 | err = json.Unmarshal(Value, &Result) |
| 711 | if err != nil { |
| 712 | logger.Error(ctx, "Failed to decode resource") |
| 713 | return Result, err |
| 714 | } |
| 715 | /* |
| 716 | resource pool in backend store stored as binary string whereas to |
| 717 | access the pool to generate/release IDs it need to be converted |
| 718 | as BitArray |
| 719 | */ |
| 720 | Str, err = ToString(Result[POOL]) |
| 721 | if err != nil { |
| 722 | logger.Error(ctx, "Failed to conver to kv pair to string") |
| 723 | return Result, err |
| 724 | } |
| 725 | Decode64, _ := base64.StdEncoding.DecodeString(Str) |
| 726 | Result[POOL], err = ToByte(Decode64) |
| 727 | if err != nil { |
| 728 | logger.Error(ctx, "Failed to convert resource pool to byte") |
| 729 | return Result, err |
| 730 | } |
| 731 | |
| 732 | return Result, err |
| 733 | } |
| 734 | |
| 735 | func (PONRMgr *PONResourceManager) GetPath(ctx context.Context, IntfID uint32, ResourceType string) string { |
| 736 | /* |
| 737 | Get path for given resource type. |
| 738 | :param pon_intf_id: OLT PON interface id |
| 739 | :param resource_type: String to identify type of resource |
| 740 | :return: path for given resource type |
| 741 | */ |
| 742 | |
| 743 | /* |
| 744 | Get the shared pool for the given resource type. |
| 745 | all the resource ranges and the shared resource maps are initialized during the init. |
| 746 | */ |
| 747 | SharedPoolID := PONRMgr.PonResourceRanges[PONRMgr.SharedIdxByType[ResourceType]].(uint32) |
| 748 | if SharedPoolID != 0 { |
| 749 | IntfID = SharedPoolID |
| 750 | } |
| 751 | var Path string |
| 752 | if ResourceType == ONU_ID { |
| 753 | Path = fmt.Sprintf(ONU_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| 754 | } else if ResourceType == ALLOC_ID { |
| 755 | Path = fmt.Sprintf(ALLOC_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| 756 | } else if ResourceType == GEMPORT_ID { |
| 757 | Path = fmt.Sprintf(GEMPORT_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| 758 | } else if ResourceType == FLOW_ID { |
| 759 | Path = fmt.Sprintf(FLOW_ID_POOL_PATH, PONRMgr.DeviceID, IntfID) |
| 760 | } else { |
| 761 | logger.Error(ctx, "Invalid resource pool identifier") |
| 762 | } |
| 763 | return Path |
| 764 | } |
| 765 | |
| 766 | func (PONRMgr *PONResourceManager) GetResourceID(ctx context.Context, IntfID uint32, ResourceType string, NumIDs uint32) ([]uint32, error) { |
| 767 | /* |
| 768 | Create alloc/gemport/onu/flow id for given OLT PON interface. |
| 769 | :param pon_intf_id: OLT PON interface id |
| 770 | :param resource_type: String to identify type of resource |
| 771 | :param num_of_id: required number of ids |
| 772 | :return list/uint32/None: list, uint32 or None if resource type is |
| 773 | alloc_id/gemport_id, onu_id or invalid type respectively |
| 774 | */ |
| 775 | |
| 776 | logger.Debugw(ctx, "getting-resource-id", log.Fields{ |
| 777 | "intf-id": IntfID, |
| 778 | "resource-type": ResourceType, |
| 779 | "num": NumIDs, |
| 780 | }) |
| 781 | |
| 782 | if NumIDs < 1 { |
| 783 | logger.Error(ctx, "Invalid number of resources requested") |
| 784 | return nil, fmt.Errorf("Invalid number of resources requested %d", NumIDs) |
| 785 | } |
| 786 | // delegate to the master instance if sharing enabled across instances |
| 787 | |
| 788 | SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| 789 | if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| 790 | return SharedResourceMgr.GetResourceID(ctx, IntfID, ResourceType, NumIDs) |
| 791 | } |
| 792 | logger.Debugf(ctx, "Fetching resource from %s rsrc mgr for resource %s", PONRMgr.Globalorlocal, ResourceType) |
| 793 | |
| 794 | Path := PONRMgr.GetPath(ctx, IntfID, ResourceType) |
| 795 | if Path == "" { |
| 796 | logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType) |
| 797 | return nil, fmt.Errorf("Failed to get path for resource type %s", ResourceType) |
| 798 | } |
| 799 | logger.Debugf(ctx, "Get resource for type %s on path %s", ResourceType, Path) |
| 800 | var Result []uint32 |
| 801 | var NextID uint32 |
| 802 | Resource, err := PONRMgr.GetResource(ctx, Path) |
| 803 | if (err == nil) && (ResourceType == ONU_ID) || (ResourceType == FLOW_ID) { |
| 804 | if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| 805 | logger.Error(ctx, "Failed to Generate ID") |
| 806 | return Result, err |
| 807 | } |
| 808 | Result = append(Result, NextID) |
| 809 | } else if (err == nil) && ((ResourceType == GEMPORT_ID) || (ResourceType == ALLOC_ID)) { |
| 810 | if NumIDs == 1 { |
| 811 | if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| 812 | logger.Error(ctx, "Failed to Generate ID") |
| 813 | return Result, err |
| 814 | } |
| 815 | Result = append(Result, NextID) |
| 816 | } else { |
| 817 | for NumIDs > 0 { |
| 818 | if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil { |
| 819 | logger.Error(ctx, "Failed to Generate ID") |
| 820 | return Result, err |
| 821 | } |
| 822 | Result = append(Result, NextID) |
| 823 | NumIDs-- |
| 824 | } |
| 825 | } |
| 826 | } else { |
| 827 | logger.Error(ctx, "get resource failed") |
| 828 | return Result, err |
| 829 | } |
| 830 | |
| 831 | //Update resource in kv store |
| 832 | if PONRMgr.UpdateResource(ctx, Path, Resource) != nil { |
| 833 | logger.Errorf(ctx, "Failed to update resource %s", Path) |
| 834 | return nil, fmt.Errorf("Failed to update resource %s", Path) |
| 835 | } |
| 836 | return Result, nil |
| 837 | } |
| 838 | |
| 839 | func checkValidResourceType(ResourceType string) bool { |
| 840 | KnownResourceTypes := []string{ONU_ID, ALLOC_ID, GEMPORT_ID, FLOW_ID} |
| 841 | |
| 842 | for _, v := range KnownResourceTypes { |
| 843 | if v == ResourceType { |
| 844 | return true |
| 845 | } |
| 846 | } |
| 847 | return false |
| 848 | } |
| 849 | |
| 850 | func (PONRMgr *PONResourceManager) FreeResourceID(ctx context.Context, IntfID uint32, ResourceType string, ReleaseContent []uint32) error { |
| 851 | /* |
| 852 | Release alloc/gemport/onu/flow id for given OLT PON interface. |
| 853 | :param pon_intf_id: OLT PON interface id |
| 854 | :param resource_type: String to identify type of resource |
| 855 | :param release_content: required number of ids |
| 856 | :return boolean: True if all IDs in given release_content release else False |
| 857 | */ |
| 858 | |
| 859 | logger.Debugw(ctx, "freeing-resource-id", log.Fields{ |
| 860 | "intf-id": IntfID, |
| 861 | "resource-type": ResourceType, |
| 862 | "release-content": ReleaseContent, |
| 863 | }) |
| 864 | |
| 865 | if !checkValidResourceType(ResourceType) { |
| 866 | err := fmt.Errorf("Invalid resource type: %s", ResourceType) |
| 867 | logger.Error(ctx, err.Error()) |
| 868 | return err |
| 869 | } |
| 870 | if ReleaseContent == nil { |
| 871 | err := fmt.Errorf("Nothing to release") |
| 872 | logger.Debug(ctx, err.Error()) |
| 873 | return err |
| 874 | } |
| 875 | // delegate to the master instance if sharing enabled across instances |
| 876 | SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| 877 | if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| 878 | return SharedResourceMgr.FreeResourceID(ctx, IntfID, ResourceType, ReleaseContent) |
| 879 | } |
| 880 | Path := PONRMgr.GetPath(ctx, IntfID, ResourceType) |
| 881 | if Path == "" { |
| 882 | err := fmt.Errorf("Failed to get path for IntfId %d and ResourceType %s", IntfID, ResourceType) |
| 883 | logger.Error(ctx, err.Error()) |
| 884 | return err |
| 885 | } |
| 886 | Resource, err := PONRMgr.GetResource(ctx, Path) |
| 887 | if err != nil { |
| 888 | logger.Error(ctx, err.Error()) |
| 889 | return err |
| 890 | } |
| 891 | for _, Val := range ReleaseContent { |
| 892 | PONRMgr.ReleaseID(ctx, Resource, Val) |
| 893 | } |
| 894 | if PONRMgr.UpdateResource(ctx, Path, Resource) != nil { |
| 895 | err := fmt.Errorf("Free resource for %s failed", Path) |
| 896 | logger.Errorf(ctx, err.Error()) |
| 897 | return err |
| 898 | } |
| 899 | return nil |
| 900 | } |
| 901 | |
| 902 | func (PONRMgr *PONResourceManager) UpdateResource(ctx context.Context, Path string, Resource map[string]interface{}) error { |
| 903 | /* |
| 904 | Update resource in resource kv store. |
| 905 | :param path: path to update resource |
| 906 | :param resource: resource need to be updated |
| 907 | :return boolean: True if resource updated in kv store else False |
| 908 | */ |
| 909 | // TODO resource[POOL] = resource[POOL].bin |
| 910 | Value, err := json.Marshal(Resource) |
| 911 | if err != nil { |
| 912 | logger.Error(ctx, "failed to Marshal") |
| 913 | return err |
| 914 | } |
| 915 | err = PONRMgr.KVStore.Put(ctx, Path, Value) |
| 916 | if err != nil { |
| 917 | logger.Error(ctx, "failed to put data to kv store %s", Path) |
| 918 | return err |
| 919 | } |
| 920 | return nil |
| 921 | } |
| 922 | |
| 923 | func (PONRMgr *PONResourceManager) ClearResourceIDPool(ctx context.Context, contIntfID uint32, ResourceType string) bool { |
| 924 | /* |
| 925 | Clear Resource Pool for a given Resource Type on a given PON Port. |
| 926 | :return boolean: True if removed else False |
| 927 | */ |
| 928 | |
| 929 | // delegate to the master instance if sharing enabled across instances |
| 930 | SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]] |
| 931 | if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr { |
| 932 | return SharedResourceMgr.ClearResourceIDPool(ctx, contIntfID, ResourceType) |
| 933 | } |
| 934 | Path := PONRMgr.GetPath(ctx, contIntfID, ResourceType) |
| 935 | if Path == "" { |
| 936 | logger.Error(ctx, "Failed to get path") |
| 937 | return false |
| 938 | } |
| 939 | |
| 940 | if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| 941 | logger.Errorf(ctx, "Failed to delete resource %s", Path) |
| 942 | return false |
| 943 | } |
| 944 | logger.Debugf(ctx, "Cleared resource %s", Path) |
| 945 | return true |
| 946 | } |
| 947 | |
| 948 | func (PONRMgr PONResourceManager) InitResourceMap(ctx context.Context, PONIntfONUID string) { |
| 949 | /* |
| 950 | Initialize resource map |
| 951 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 952 | */ |
| 953 | // initialize pon_intf_onu_id tuple to alloc_ids map |
| 954 | AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| 955 | var AllocIDs []byte |
| 956 | Result := PONRMgr.KVStore.Put(ctx, AllocIDPath, AllocIDs) |
| 957 | if Result != nil { |
| 958 | logger.Error(ctx, "Failed to update the KV store") |
| 959 | return |
| 960 | } |
| 961 | // initialize pon_intf_onu_id tuple to gemport_ids map |
| 962 | GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| 963 | var GEMPortIDs []byte |
| 964 | Result = PONRMgr.KVStore.Put(ctx, GEMPortIDPath, GEMPortIDs) |
| 965 | if Result != nil { |
| 966 | logger.Error(ctx, "Failed to update the KV store") |
| 967 | return |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | func (PONRMgr PONResourceManager) RemoveResourceMap(ctx context.Context, PONIntfONUID string) bool { |
| 972 | /* |
| 973 | Remove resource map |
| 974 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 975 | */ |
| 976 | // remove pon_intf_onu_id tuple to alloc_ids map |
| 977 | var err error |
| 978 | AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| 979 | if err = PONRMgr.KVStore.Delete(ctx, AllocIDPath); err != nil { |
| 980 | logger.Errorf(ctx, "Failed to remove resource %s", AllocIDPath) |
| 981 | return false |
| 982 | } |
| 983 | // remove pon_intf_onu_id tuple to gemport_ids map |
| 984 | GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| 985 | err = PONRMgr.KVStore.Delete(ctx, GEMPortIDPath) |
| 986 | if err != nil { |
| 987 | logger.Errorf(ctx, "Failed to remove resource %s", GEMPortIDPath) |
| 988 | return false |
| 989 | } |
| 990 | |
| 991 | FlowIDPath := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID) |
| 992 | if FlowIDs, err := PONRMgr.KVStore.List(ctx, FlowIDPath); err != nil { |
| 993 | for _, Flow := range FlowIDs { |
| 994 | FlowIDInfoPath := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, PONIntfONUID, Flow.Value) |
| 995 | if err = PONRMgr.KVStore.Delete(ctx, FlowIDInfoPath); err != nil { |
| 996 | logger.Errorf(ctx, "Failed to remove resource %s", FlowIDInfoPath) |
| 997 | return false |
| 998 | } |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | if err = PONRMgr.KVStore.Delete(ctx, FlowIDPath); err != nil { |
| 1003 | logger.Errorf(ctx, "Failed to remove resource %s", FlowIDPath) |
| 1004 | return false |
| 1005 | } |
| 1006 | |
| 1007 | return true |
| 1008 | } |
| 1009 | |
| 1010 | func (PONRMgr *PONResourceManager) GetCurrentAllocIDForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| 1011 | /* |
| 1012 | Get currently configured alloc ids for given pon_intf_onu_id |
| 1013 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1014 | :return list: List of alloc_ids if available, else None |
| 1015 | */ |
| 1016 | Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| 1017 | |
| 1018 | var Data []uint32 |
| 1019 | Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| 1020 | if err == nil { |
| 1021 | if Value != nil { |
| 1022 | Val, err := ToByte(Value.Value) |
| 1023 | if err != nil { |
| 1024 | logger.Errorw(ctx, "Failed to convert into byte array", log.Fields{"error": err}) |
| 1025 | return Data |
| 1026 | } |
| 1027 | if err = json.Unmarshal(Val, &Data); err != nil { |
| 1028 | logger.Error(ctx, "Failed to unmarshal", log.Fields{"error": err}) |
| 1029 | return Data |
| 1030 | } |
| 1031 | } |
| 1032 | } |
| 1033 | return Data |
| 1034 | } |
| 1035 | |
| 1036 | func (PONRMgr *PONResourceManager) GetCurrentGEMPortIDsForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| 1037 | /* |
| 1038 | Get currently configured gemport ids for given pon_intf_onu_id |
| 1039 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1040 | :return list: List of gemport IDs if available, else None |
| 1041 | */ |
| 1042 | |
| 1043 | Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| 1044 | logger.Debugf(ctx, "Getting current gemports for %s", Path) |
| 1045 | var Data []uint32 |
| 1046 | Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| 1047 | if err == nil { |
| 1048 | if Value != nil { |
| 1049 | Val, _ := ToByte(Value.Value) |
| 1050 | if err = json.Unmarshal(Val, &Data); err != nil { |
| 1051 | logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err}) |
| 1052 | return Data |
| 1053 | } |
| 1054 | } |
| 1055 | } else { |
| 1056 | logger.Errorf(ctx, "Failed to get data from kvstore for %s", Path) |
| 1057 | } |
| 1058 | return Data |
| 1059 | } |
| 1060 | |
| 1061 | func (PONRMgr *PONResourceManager) GetCurrentFlowIDsForOnu(ctx context.Context, IntfONUID string) []uint32 { |
| 1062 | /* |
| 1063 | Get currently configured flow ids for given pon_intf_onu_id |
| 1064 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1065 | :return list: List of Flow IDs if available, else None |
| 1066 | */ |
| 1067 | |
| 1068 | Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| 1069 | |
| 1070 | var Data []uint32 |
| 1071 | Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| 1072 | if err == nil { |
| 1073 | if Value != nil { |
| 1074 | Val, _ := ToByte(Value.Value) |
| 1075 | if err = json.Unmarshal(Val, &Data); err != nil { |
| 1076 | logger.Error(ctx, "Failed to unmarshal") |
| 1077 | return Data |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | return Data |
| 1082 | } |
| 1083 | |
| 1084 | func (PONRMgr *PONResourceManager) GetFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32, Data interface{}) error { |
| 1085 | /* |
| 1086 | Get flow details configured for the ONU. |
| 1087 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1088 | :param flow_id: Flow Id reference |
| 1089 | :param Data: Result |
| 1090 | :return error: nil if no error in getting from KV store |
| 1091 | */ |
| 1092 | |
| 1093 | Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| 1094 | |
| 1095 | Value, err := PONRMgr.KVStore.Get(ctx, Path) |
| 1096 | if err == nil { |
| 1097 | if Value != nil { |
| 1098 | Val, err := ToByte(Value.Value) |
| 1099 | if err != nil { |
| 1100 | logger.Errorw(ctx, "Failed to convert flowinfo into byte array", log.Fields{"error": err}) |
| 1101 | return err |
| 1102 | } |
| 1103 | if err = json.Unmarshal(Val, Data); err != nil { |
| 1104 | logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err}) |
| 1105 | return err |
| 1106 | } |
| 1107 | } |
| 1108 | } |
| 1109 | return err |
| 1110 | } |
| 1111 | |
| 1112 | func (PONRMgr *PONResourceManager) RemoveFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32) bool { |
| 1113 | /* |
| 1114 | Get flow_id details configured for the ONU. |
| 1115 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1116 | :param flow_id: Flow Id reference |
| 1117 | */ |
| 1118 | Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| 1119 | |
| 1120 | if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| 1121 | logger.Errorf(ctx, "Falied to remove resource %s", Path) |
| 1122 | return false |
| 1123 | } |
| 1124 | return true |
| 1125 | } |
| 1126 | |
| 1127 | func (PONRMgr *PONResourceManager) RemoveAllFlowIDInfo(ctx context.Context, IntfONUID string) bool { |
| 1128 | /* |
| 1129 | Remove flow_id_info details configured for the ONU. |
| 1130 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1131 | */ |
| 1132 | Path := fmt.Sprintf(FLOW_ID_INFO_PATH_INTF_ONU_PREFIX, PONRMgr.DeviceID, IntfONUID) |
| 1133 | |
| 1134 | if err := PONRMgr.KVStore.DeleteWithPrefix(ctx, Path); err != nil { |
| 1135 | logger.Errorf(ctx, "Falied to remove resource %s", Path) |
| 1136 | return false |
| 1137 | } |
| 1138 | return true |
| 1139 | } |
| 1140 | |
| 1141 | func (PONRMgr *PONResourceManager) UpdateAllocIdsForOnu(ctx context.Context, IntfONUID string, AllocIDs []uint32) error { |
| 1142 | /* |
| 1143 | Update currently configured alloc ids for given pon_intf_onu_id |
| 1144 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1145 | :param alloc_ids: list of alloc ids |
| 1146 | */ |
| 1147 | var Value []byte |
| 1148 | var err error |
| 1149 | Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1150 | if AllocIDs == nil { |
| 1151 | // No more alloc ids associated with the key. Delete the key entirely |
| 1152 | if err = PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| 1153 | logger.Errorf(ctx, "Failed to delete key %s", Path) |
| 1154 | return err |
| 1155 | } |
| 1156 | } else { |
| 1157 | Value, err = json.Marshal(AllocIDs) |
| 1158 | if err != nil { |
| 1159 | logger.Error(ctx, "failed to Marshal") |
| 1160 | return err |
| 1161 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1162 | |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1163 | if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| 1164 | logger.Errorf(ctx, "Failed to update resource %s", Path) |
| 1165 | return err |
| 1166 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1167 | } |
| 1168 | return err |
| 1169 | } |
| 1170 | |
| 1171 | func (PONRMgr *PONResourceManager) UpdateGEMPortIDsForOnu(ctx context.Context, IntfONUID string, GEMPortIDs []uint32) error { |
| 1172 | /* |
| 1173 | Update currently configured gemport ids for given pon_intf_onu_id |
| 1174 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1175 | :param gemport_ids: list of gem port ids |
| 1176 | */ |
| 1177 | |
| 1178 | var Value []byte |
| 1179 | var err error |
| 1180 | Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| 1181 | logger.Debugf(ctx, "Updating gemport ids for %s", Path) |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1182 | if GEMPortIDs == nil { |
| 1183 | // No more gemport ids associated with the key. Delete the key entirely |
| 1184 | if err = PONRMgr.KVStore.Delete(ctx, Path); err != nil { |
| 1185 | logger.Errorf(ctx, "Failed to delete key %s", Path) |
| 1186 | return err |
| 1187 | } |
| 1188 | } else { |
| 1189 | Value, err = json.Marshal(GEMPortIDs) |
| 1190 | if err != nil { |
| 1191 | logger.Error(ctx, "failed to Marshal") |
| 1192 | return err |
| 1193 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1194 | |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1195 | if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| 1196 | logger.Errorf(ctx, "Failed to update resource %s", Path) |
| 1197 | return err |
| 1198 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1199 | } |
| 1200 | return err |
| 1201 | } |
| 1202 | |
| 1203 | func checkForFlowIDInList(FlowIDList []uint32, FlowID uint32) (bool, uint32) { |
| 1204 | /* |
| 1205 | Check for a flow id in a given list of flow IDs. |
| 1206 | :param FLowIDList: List of Flow IDs |
| 1207 | :param FlowID: Flowd to check in the list |
| 1208 | : return true and the index if present false otherwise. |
| 1209 | */ |
| 1210 | |
| 1211 | for idx := range FlowIDList { |
| 1212 | if FlowID == FlowIDList[idx] { |
| 1213 | return true, uint32(idx) |
| 1214 | } |
| 1215 | } |
| 1216 | return false, 0 |
| 1217 | } |
| 1218 | |
| 1219 | func (PONRMgr *PONResourceManager) UpdateFlowIDForOnu(ctx context.Context, IntfONUID string, FlowID uint32, Add bool) error { |
| 1220 | /* |
| 1221 | Update the flow_id list of the ONU (add or remove flow_id from the list) |
| 1222 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1223 | :param flow_id: flow ID |
| 1224 | :param add: Boolean flag to indicate whether the flow_id should be |
| 1225 | added or removed from the list. Defaults to adding the flow. |
| 1226 | */ |
| 1227 | var Value []byte |
| 1228 | var err error |
| 1229 | var RetVal bool |
| 1230 | var IDx uint32 |
| 1231 | Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID) |
| 1232 | FlowIDs := PONRMgr.GetCurrentFlowIDsForOnu(ctx, IntfONUID) |
| 1233 | |
| 1234 | if Add { |
| 1235 | if RetVal, _ = checkForFlowIDInList(FlowIDs, FlowID); RetVal { |
| 1236 | return nil |
| 1237 | } |
| 1238 | FlowIDs = append(FlowIDs, FlowID) |
| 1239 | } else { |
| 1240 | if RetVal, IDx = checkForFlowIDInList(FlowIDs, FlowID); !RetVal { |
| 1241 | return nil |
| 1242 | } |
| 1243 | // delete the index and shift |
| 1244 | FlowIDs = append(FlowIDs[:IDx], FlowIDs[IDx+1:]...) |
| 1245 | } |
| 1246 | Value, err = json.Marshal(FlowIDs) |
| 1247 | if err != nil { |
| 1248 | logger.Error(ctx, "Failed to Marshal") |
| 1249 | return err |
| 1250 | } |
| 1251 | |
| 1252 | if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| 1253 | logger.Errorf(ctx, "Failed to update resource %s", Path) |
| 1254 | return err |
| 1255 | } |
| 1256 | return err |
| 1257 | } |
| 1258 | |
| 1259 | func (PONRMgr *PONResourceManager) UpdateFlowIDInfoForOnu(ctx context.Context, IntfONUID string, FlowID uint32, FlowData interface{}) error { |
| 1260 | /* |
| 1261 | Update any metadata associated with the flow_id. The flow_data could be json |
| 1262 | or any of other data structure. The resource manager doesnt care |
| 1263 | :param pon_intf_onu_id: reference of PON interface id and onu id |
| 1264 | :param flow_id: Flow ID |
| 1265 | :param flow_data: Flow data blob |
| 1266 | */ |
| 1267 | var Value []byte |
| 1268 | var err error |
| 1269 | Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID) |
| 1270 | Value, err = json.Marshal(FlowData) |
| 1271 | if err != nil { |
| 1272 | logger.Error(ctx, "failed to Marshal") |
| 1273 | return err |
| 1274 | } |
| 1275 | |
| 1276 | if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil { |
| 1277 | logger.Errorf(ctx, "Failed to update resource %s", Path) |
| 1278 | return err |
| 1279 | } |
| 1280 | return err |
| 1281 | } |
| 1282 | |
| 1283 | func (PONRMgr *PONResourceManager) GenerateNextID(ctx context.Context, Resource map[string]interface{}) (uint32, error) { |
| 1284 | /* |
| 1285 | Generate unique id having OFFSET as start |
| 1286 | :param resource: resource used to generate ID |
| 1287 | :return uint32: generated id |
| 1288 | */ |
| 1289 | ByteArray, err := ToByte(Resource[POOL]) |
| 1290 | if err != nil { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1291 | return 0, err |
| 1292 | } |
| 1293 | Data := bitmap.TSFromData(ByteArray, false) |
| 1294 | if Data == nil { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1295 | return 0, errors.New("Failed to get data from byte array") |
| 1296 | } |
| 1297 | |
| 1298 | Len := Data.Len() |
| 1299 | var Idx int |
| 1300 | for Idx = 0; Idx < Len; Idx++ { |
| 1301 | if !Data.Get(Idx) { |
| 1302 | break |
| 1303 | } |
| 1304 | } |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1305 | if Idx == Len { |
| 1306 | return 0, errors.New("resource-exhausted--no-free-id-in-the-pool") |
| 1307 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1308 | Data.Set(Idx, true) |
| 1309 | res := uint32(Resource[START_IDX].(float64)) |
| 1310 | Resource[POOL] = Data.Data(false) |
| 1311 | logger.Debugf(ctx, "Generated ID for %d", (uint32(Idx) + res)) |
| 1312 | return (uint32(Idx) + res), err |
| 1313 | } |
| 1314 | |
| 1315 | func (PONRMgr *PONResourceManager) ReleaseID(ctx context.Context, Resource map[string]interface{}, Id uint32) bool { |
| 1316 | /* |
| 1317 | Release unique id having OFFSET as start index. |
| 1318 | :param resource: resource used to release ID |
| 1319 | :param unique_id: id need to be released |
| 1320 | */ |
| 1321 | ByteArray, err := ToByte(Resource[POOL]) |
| 1322 | if err != nil { |
| 1323 | logger.Error(ctx, "Failed to convert resource to byte array") |
| 1324 | return false |
| 1325 | } |
| 1326 | Data := bitmap.TSFromData(ByteArray, false) |
| 1327 | if Data == nil { |
| 1328 | logger.Error(ctx, "Failed to get resource pool") |
| 1329 | return false |
| 1330 | } |
| 1331 | Idx := Id - uint32(Resource[START_IDX].(float64)) |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1332 | if Idx >= uint32(Data.Len()) { |
| 1333 | logger.Errorf(ctx, "ID %d is out of the boundaries of the pool", Id) |
| 1334 | return false |
| 1335 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1336 | Data.Set(int(Idx), false) |
| 1337 | Resource[POOL] = Data.Data(false) |
| 1338 | |
| 1339 | return true |
| 1340 | } |
| 1341 | |
| 1342 | /* Reserves a unique id in the specified resource pool. |
| 1343 | :param Resource: resource used to reserve ID |
| 1344 | :param Id: ID to be reserved |
| 1345 | */ |
| 1346 | func (PONRMgr *PONResourceManager) reserveID(ctx context.Context, TSData *bitmap.Threadsafe, StartIndex uint32, Id uint32) bool { |
| 1347 | Data := bitmap.TSFromData(TSData.Data(false), false) |
| 1348 | if Data == nil { |
| 1349 | logger.Error(ctx, "Failed to get resource pool") |
| 1350 | return false |
| 1351 | } |
| 1352 | Idx := Id - StartIndex |
Girish Gowdra | 315a934 | 2021-10-28 11:49:22 -0700 | [diff] [blame] | 1353 | if Idx >= uint32(Data.Len()) { |
| 1354 | logger.Errorf(ctx, "Reservation failed. ID %d is out of the boundaries of the pool", Id) |
| 1355 | return false |
| 1356 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 1357 | Data.Set(int(Idx), true) |
| 1358 | return true |
| 1359 | } |
| 1360 | |
| 1361 | func (PONRMgr *PONResourceManager) GetTechnology() string { |
| 1362 | return PONRMgr.Technology |
| 1363 | } |
| 1364 | |
| 1365 | func (PONRMgr *PONResourceManager) GetResourceTypeAllocID() string { |
| 1366 | return ALLOC_ID |
| 1367 | } |
| 1368 | |
| 1369 | func (PONRMgr *PONResourceManager) GetResourceTypeGemPortID() string { |
| 1370 | return GEMPORT_ID |
| 1371 | } |
| 1372 | |
| 1373 | func (PONRMgr *PONResourceManager) GetResourceTypeOnuID() string { |
| 1374 | return ONU_ID |
| 1375 | } |
| 1376 | |
| 1377 | // ToByte converts an interface value to a []byte. The interface should either be of |
| 1378 | // a string type or []byte. Otherwise, an error is returned. |
| 1379 | func ToByte(value interface{}) ([]byte, error) { |
| 1380 | switch t := value.(type) { |
| 1381 | case []byte: |
| 1382 | return value.([]byte), nil |
| 1383 | case string: |
| 1384 | return []byte(value.(string)), nil |
| 1385 | default: |
| 1386 | return nil, fmt.Errorf("unexpected-type-%T", t) |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | // ToString converts an interface value to a string. The interface should either be of |
| 1391 | // a string type or []byte. Otherwise, an error is returned. |
| 1392 | func ToString(value interface{}) (string, error) { |
| 1393 | switch t := value.(type) { |
| 1394 | case []byte: |
| 1395 | return string(value.([]byte)), nil |
| 1396 | case string: |
| 1397 | return value.(string), nil |
| 1398 | default: |
| 1399 | return "", fmt.Errorf("unexpected-type-%T", t) |
| 1400 | } |
| 1401 | } |