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Scott Baker2c1c4822019-10-16 11:02:41 -07001/*
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
17package ponresourcemanager
18
19import (
npujar5bf737f2020-01-16 19:35:25 +053020 "context"
Scott Baker2c1c4822019-10-16 11:02:41 -070021 "encoding/base64"
22 "encoding/json"
23 "errors"
24 "fmt"
Neha Sharma130ac6d2020-04-08 08:46:32 +000025 "time"
Scott Baker2c1c4822019-10-16 11:02:41 -070026
serkant.uluderyab38671c2019-11-01 09:35:38 -070027 bitmap "github.com/boljen/go-bitmap"
28 "github.com/opencord/voltha-lib-go/v3/pkg/db"
29 "github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
30 "github.com/opencord/voltha-lib-go/v3/pkg/log"
31 tp "github.com/opencord/voltha-lib-go/v3/pkg/techprofile"
Scott Baker2c1c4822019-10-16 11:02:41 -070032)
33
34const (
35 //Constants to identify resource pool
36 UNI_ID = "UNI_ID"
37 ONU_ID = "ONU_ID"
38 ALLOC_ID = "ALLOC_ID"
39 GEMPORT_ID = "GEMPORT_ID"
40 FLOW_ID = "FLOW_ID"
41
42 //Constants for passing command line arugments
43 OLT_MODEL_ARG = "--olt_model"
44 PATH_PREFIX = "service/voltha/resource_manager/{%s}"
Esin Karaman5351fc52020-02-14 07:45:49 +000045
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 PATH_PREFIX_FOR_CONFIG = "service/voltha/resource_manager/config"
Scott Baker2c1c4822019-10-16 11:02:41 -070055 /*The resource ranges for a given device model should be placed
56 at 'resource_manager/<technology>/resource_ranges/<olt_model_type>'
57 path on the KV store.
58 If Resource Range parameters are to be read from the external KV store,
59 they are expected to be stored in the following format.
60 Note: All parameters are MANDATORY for now.
61 constants used as keys to reference the resource range parameters from
62 and external KV store.
63 */
64 UNI_ID_START_IDX = "uni_id_start"
65 UNI_ID_END_IDX = "uni_id_end"
66 ONU_ID_START_IDX = "onu_id_start"
67 ONU_ID_END_IDX = "onu_id_end"
68 ONU_ID_SHARED_IDX = "onu_id_shared"
69 ALLOC_ID_START_IDX = "alloc_id_start"
70 ALLOC_ID_END_IDX = "alloc_id_end"
71 ALLOC_ID_SHARED_IDX = "alloc_id_shared"
72 GEMPORT_ID_START_IDX = "gemport_id_start"
73 GEMPORT_ID_END_IDX = "gemport_id_end"
74 GEMPORT_ID_SHARED_IDX = "gemport_id_shared"
75 FLOW_ID_START_IDX = "flow_id_start"
76 FLOW_ID_END_IDX = "flow_id_end"
77 FLOW_ID_SHARED_IDX = "flow_id_shared"
78 NUM_OF_PON_PORT = "pon_ports"
79
80 /*
81 The KV store backend is initialized with a path prefix and we need to
82 provide only the suffix.
83 */
84 PON_RESOURCE_RANGE_CONFIG_PATH = "resource_ranges/%s"
85
86 //resource path suffix
87 //Path on the KV store for storing alloc id ranges and resource pool for a given interface
88 //Format: <device_id>/alloc_id_pool/<pon_intf_id>
89 ALLOC_ID_POOL_PATH = "{%s}/alloc_id_pool/{%d}"
90 //Path on the KV store for storing gemport id ranges and resource pool for a given interface
91 //Format: <device_id>/gemport_id_pool/<pon_intf_id>
92 GEMPORT_ID_POOL_PATH = "{%s}/gemport_id_pool/{%d}"
93 //Path on the KV store for storing onu id ranges and resource pool for a given interface
94 //Format: <device_id>/onu_id_pool/<pon_intf_id>
95 ONU_ID_POOL_PATH = "{%s}/onu_id_pool/{%d}"
96 //Path on the KV store for storing flow id ranges and resource pool for a given interface
97 //Format: <device_id>/flow_id_pool/<pon_intf_id>
98 FLOW_ID_POOL_PATH = "{%s}/flow_id_pool/{%d}"
99
100 //Path on the KV store for storing list of alloc IDs for a given ONU
101 //Format: <device_id>/<(pon_intf_id, onu_id)>/alloc_ids
102 ALLOC_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/alloc_ids"
103
104 //Path on the KV store for storing list of gemport IDs for a given ONU
105 //Format: <device_id>/<(pon_intf_id, onu_id)>/gemport_ids
106 GEMPORT_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/gemport_ids"
107
108 //Path on the KV store for storing list of Flow IDs for a given ONU
109 //Format: <device_id>/<(pon_intf_id, onu_id)>/flow_ids
110 FLOW_ID_RESOURCE_MAP_PATH = "{%s}/{%s}/flow_ids"
111
112 //Flow Id info: Use to store more metadata associated with the flow_id
113 //Format: <device_id>/<(pon_intf_id, onu_id)>/flow_id_info/<flow_id>
114 FLOW_ID_INFO_PATH = "{%s}/{%s}/flow_id_info/{%d}"
115
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +0530116 //path on the kvstore to store onugem info map
117 //format: <device-id>/onu_gem_info/<intfid>
118 ONU_GEM_INFO_PATH = "{%s}/onu_gem_info/{%d}" // onu_gem/<(intfid)>
119
Scott Baker2c1c4822019-10-16 11:02:41 -0700120 //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
Neha Sharma130ac6d2020-04-08 08:46:32 +0000127 KVSTORE_RETRY_TIMEOUT = 5 * time.Second
Esin Karaman5351fc52020-02-14 07:45:49 +0000128 //Path on the KV store for storing reserved gem ports
129 //Format: reserved_gemport_ids
130 RESERVED_GEMPORT_IDS_PATH = "reserved_gemport_ids"
Scott Baker2c1c4822019-10-16 11:02:41 -0700131)
132
133//type ResourceTypeIndex string
134//type ResourceType string
135
136type PONResourceManager struct {
137 //Implements APIs to initialize/allocate/release alloc/gemport/onu IDs.
Esin Karaman5351fc52020-02-14 07:45:49 +0000138 Technology string
139 DeviceType string
140 DeviceID string
141 Backend string // ETCD, or consul
Neha Sharmadd9af392020-04-28 09:03:57 +0000142 Address string // address of the KV store
Esin Karaman5351fc52020-02-14 07:45:49 +0000143 OLTModel string
144 KVStore *db.Backend
145 KVStoreForConfig *db.Backend
146 TechProfileMgr tp.TechProfileIf // create object of *tp.TechProfileMgr
Scott Baker2c1c4822019-10-16 11:02:41 -0700147
148 // Below attribute, pon_resource_ranges, should be initialized
149 // by reading from KV store.
150 PonResourceRanges map[string]interface{}
151 SharedResourceMgrs map[string]*PONResourceManager
152 SharedIdxByType map[string]string
153 IntfIDs []uint32 // list of pon interface IDs
154 Globalorlocal string
155}
156
Neha Sharma94f16a92020-06-26 04:17:55 +0000157func newKVClient(ctx context.Context, storeType string, address string, timeout time.Duration) (kvstore.Client, error) {
158 logger.Infow(ctx, "kv-store-type", log.Fields{"store": storeType})
Scott Baker2c1c4822019-10-16 11:02:41 -0700159 switch storeType {
160 case "consul":
Neha Sharma94f16a92020-06-26 04:17:55 +0000161 return kvstore.NewConsulClient(ctx, address, timeout)
Scott Baker2c1c4822019-10-16 11:02:41 -0700162 case "etcd":
Neha Sharma94f16a92020-06-26 04:17:55 +0000163 return kvstore.NewEtcdClient(ctx, address, timeout, log.WarnLevel)
Scott Baker2c1c4822019-10-16 11:02:41 -0700164 }
165 return nil, errors.New("unsupported-kv-store")
166}
167
Neha Sharma94f16a92020-06-26 04:17:55 +0000168func SetKVClient(ctx context.Context, Technology string, Backend string, Addr string, configClient bool) *db.Backend {
Scott Baker2c1c4822019-10-16 11:02:41 -0700169 // TODO : Make sure direct call to NewBackend is working fine with backend , currently there is some
170 // issue between kv store and backend , core is not calling NewBackend directly
Neha Sharma94f16a92020-06-26 04:17:55 +0000171 kvClient, err := newKVClient(ctx, Backend, Addr, KVSTORE_RETRY_TIMEOUT)
Scott Baker2c1c4822019-10-16 11:02:41 -0700172 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000173 logger.Fatalw(ctx, "Failed to init KV client\n", log.Fields{"err": err})
Scott Baker2c1c4822019-10-16 11:02:41 -0700174 return nil
175 }
Esin Karaman5351fc52020-02-14 07:45:49 +0000176
177 var pathPrefix string
178 if configClient {
179 pathPrefix = PATH_PREFIX_FOR_CONFIG
180 } else {
181 pathPrefix = fmt.Sprintf(PATH_PREFIX, Technology)
182 }
183
sbarbari1e3e29c2019-11-05 10:06:50 -0500184 kvbackend := &db.Backend{
Scott Baker2c1c4822019-10-16 11:02:41 -0700185 Client: kvClient,
186 StoreType: Backend,
Neha Sharmadd9af392020-04-28 09:03:57 +0000187 Address: Addr,
Scott Baker2c1c4822019-10-16 11:02:41 -0700188 Timeout: KVSTORE_RETRY_TIMEOUT,
Esin Karaman5351fc52020-02-14 07:45:49 +0000189 PathPrefix: pathPrefix}
Scott Baker2c1c4822019-10-16 11:02:41 -0700190
191 return kvbackend
192}
193
194// NewPONResourceManager creates a new PON resource manager.
Neha Sharma94f16a92020-06-26 04:17:55 +0000195func NewPONResourceManager(ctx context.Context, Technology string, DeviceType string, DeviceID string, Backend string, Address string) (*PONResourceManager, error) {
Scott Baker2c1c4822019-10-16 11:02:41 -0700196 var PONMgr PONResourceManager
197 PONMgr.Technology = Technology
198 PONMgr.DeviceType = DeviceType
199 PONMgr.DeviceID = DeviceID
200 PONMgr.Backend = Backend
Neha Sharmadd9af392020-04-28 09:03:57 +0000201 PONMgr.Address = Address
Neha Sharma94f16a92020-06-26 04:17:55 +0000202 PONMgr.KVStore = SetKVClient(ctx, Technology, Backend, Address, false)
Scott Baker2c1c4822019-10-16 11:02:41 -0700203 if PONMgr.KVStore == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000204 logger.Error(ctx, "KV Client initilization failed")
Scott Baker2c1c4822019-10-16 11:02:41 -0700205 return nil, errors.New("Failed to init KV client")
206 }
Esin Karaman5351fc52020-02-14 07:45:49 +0000207 // init kv client to read from the config path
Neha Sharma94f16a92020-06-26 04:17:55 +0000208 PONMgr.KVStoreForConfig = SetKVClient(ctx, Technology, Backend, Address, true)
Esin Karaman5351fc52020-02-14 07:45:49 +0000209 if PONMgr.KVStoreForConfig == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000210 logger.Error(ctx, "KV Config Client initilization failed")
Esin Karaman5351fc52020-02-14 07:45:49 +0000211 return nil, errors.New("Failed to init KV Config client")
212 }
Scott Baker2c1c4822019-10-16 11:02:41 -0700213 // Initialize techprofile for this technology
Neha Sharma94f16a92020-06-26 04:17:55 +0000214 if PONMgr.TechProfileMgr, _ = tp.NewTechProfile(ctx, &PONMgr, Backend, Address); PONMgr.TechProfileMgr == nil {
215 logger.Error(ctx, "Techprofile initialization failed")
Scott Baker2c1c4822019-10-16 11:02:41 -0700216 return nil, errors.New("Failed to init tech profile")
217 }
218 PONMgr.PonResourceRanges = make(map[string]interface{})
219 PONMgr.SharedResourceMgrs = make(map[string]*PONResourceManager)
220 PONMgr.SharedIdxByType = make(map[string]string)
221 PONMgr.SharedIdxByType[ONU_ID] = ONU_ID_SHARED_IDX
222 PONMgr.SharedIdxByType[ALLOC_ID] = ALLOC_ID_SHARED_IDX
223 PONMgr.SharedIdxByType[GEMPORT_ID] = GEMPORT_ID_SHARED_IDX
224 PONMgr.SharedIdxByType[FLOW_ID] = FLOW_ID_SHARED_IDX
225 PONMgr.IntfIDs = make([]uint32, NUM_OF_PON_INTF)
226 PONMgr.OLTModel = DeviceType
227 return &PONMgr, nil
228}
229
230/*
231 Initialize PON resource ranges with config fetched from kv store.
232 return boolean: True if PON resource ranges initialized else false
233 Try to initialize the PON Resource Ranges from KV store based on the
234 OLT model key, if available
235*/
236
npujar5bf737f2020-01-16 19:35:25 +0530237func (PONRMgr *PONResourceManager) InitResourceRangesFromKVStore(ctx context.Context) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -0700238 //Initialize PON resource ranges with config fetched from kv store.
239 //:return boolean: True if PON resource ranges initialized else false
240 // Try to initialize the PON Resource Ranges from KV store based on the
241 // OLT model key, if available
242 if PONRMgr.OLTModel == "" {
Neha Sharma94f16a92020-06-26 04:17:55 +0000243 logger.Error(ctx, "Failed to get OLT model")
Scott Baker2c1c4822019-10-16 11:02:41 -0700244 return false
245 }
246 Path := fmt.Sprintf(PON_RESOURCE_RANGE_CONFIG_PATH, PONRMgr.OLTModel)
247 //get resource from kv store
npujar5bf737f2020-01-16 19:35:25 +0530248 Result, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700249 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000250 logger.Debugf(ctx, "Error in fetching resource %s from KV strore", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700251 return false
252 }
253 if Result == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000254 logger.Debug(ctx, "There may be no resources in the KV store in case of fresh bootup, return true")
Scott Baker2c1c4822019-10-16 11:02:41 -0700255 return false
256 }
257 //update internal ranges from kv ranges. If there are missing
258 // values in the KV profile, continue to use the defaults
259 Value, err := ToByte(Result.Value)
260 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000261 logger.Error(ctx, "Failed to convert kvpair to byte string")
Scott Baker2c1c4822019-10-16 11:02:41 -0700262 return false
263 }
264 if err := json.Unmarshal(Value, &PONRMgr.PonResourceRanges); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000265 logger.Error(ctx, "Failed to Unmarshal json byte")
Scott Baker2c1c4822019-10-16 11:02:41 -0700266 return false
267 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000268 logger.Debug(ctx, "Init resource ranges from kvstore success")
Scott Baker2c1c4822019-10-16 11:02:41 -0700269 return true
270}
271
Neha Sharma94f16a92020-06-26 04:17:55 +0000272func (PONRMgr *PONResourceManager) UpdateRanges(ctx context.Context, StartIDx string, StartID uint32, EndIDx string, EndID uint32,
Scott Baker2c1c4822019-10-16 11:02:41 -0700273 SharedIDx string, SharedPoolID uint32, RMgr *PONResourceManager) {
274 /*
275 Update the ranges for all reosurce type in the intermnal maps
276 param: resource type start index
277 param: start ID
278 param: resource type end index
279 param: end ID
280 param: resource type shared index
281 param: shared pool id
282 param: global resource manager
283 */
Neha Sharma94f16a92020-06-26 04:17:55 +0000284 logger.Debugf(ctx, "update ranges for %s, %d", StartIDx, StartID)
Scott Baker2c1c4822019-10-16 11:02:41 -0700285
286 if StartID != 0 {
287 if (PONRMgr.PonResourceRanges[StartIDx] == nil) || (PONRMgr.PonResourceRanges[StartIDx].(uint32) < StartID) {
288 PONRMgr.PonResourceRanges[StartIDx] = StartID
289 }
290 }
291 if EndID != 0 {
292 if (PONRMgr.PonResourceRanges[EndIDx] == nil) || (PONRMgr.PonResourceRanges[EndIDx].(uint32) > EndID) {
293 PONRMgr.PonResourceRanges[EndIDx] = EndID
294 }
295 }
296 //if SharedPoolID != 0 {
297 PONRMgr.PonResourceRanges[SharedIDx] = SharedPoolID
298 //}
299 if RMgr != nil {
300 PONRMgr.SharedResourceMgrs[SharedIDx] = RMgr
301 }
302}
303
Neha Sharma94f16a92020-06-26 04:17:55 +0000304func (PONRMgr *PONResourceManager) InitDefaultPONResourceRanges(ctx context.Context,
305 ONUIDStart uint32,
Scott Baker2c1c4822019-10-16 11:02:41 -0700306 ONUIDEnd uint32,
307 ONUIDSharedPoolID uint32,
308 AllocIDStart uint32,
309 AllocIDEnd uint32,
310 AllocIDSharedPoolID uint32,
311 GEMPortIDStart uint32,
312 GEMPortIDEnd uint32,
313 GEMPortIDSharedPoolID uint32,
314 FlowIDStart uint32,
315 FlowIDEnd uint32,
316 FlowIDSharedPoolID uint32,
317 UNIIDStart uint32,
318 UNIIDEnd uint32,
319 NoOfPONPorts uint32,
320 IntfIDs []uint32) bool {
321
322 /*Initialize default PON resource ranges
323
324 :param onu_id_start_idx: onu id start index
325 :param onu_id_end_idx: onu id end index
326 :param onu_id_shared_pool_id: pool idx for id shared by all intfs or None for no sharing
327 :param alloc_id_start_idx: alloc id start index
328 :param alloc_id_end_idx: alloc id end index
329 :param alloc_id_shared_pool_id: pool idx for alloc id shared by all intfs or None for no sharing
330 :param gemport_id_start_idx: gemport id start index
331 :param gemport_id_end_idx: gemport id end index
332 :param gemport_id_shared_pool_id: pool idx for gemport id shared by all intfs or None for no sharing
333 :param flow_id_start_idx: flow id start index
334 :param flow_id_end_idx: flow id end index
335 :param flow_id_shared_pool_id: pool idx for flow id shared by all intfs or None for no sharing
336 :param num_of_pon_ports: number of PON ports
337 :param intf_ids: interfaces serviced by this manager
338 */
Neha Sharma94f16a92020-06-26 04:17:55 +0000339 PONRMgr.UpdateRanges(ctx, ONU_ID_START_IDX, ONUIDStart, ONU_ID_END_IDX, ONUIDEnd, ONU_ID_SHARED_IDX, ONUIDSharedPoolID, nil)
340 PONRMgr.UpdateRanges(ctx, ALLOC_ID_START_IDX, AllocIDStart, ALLOC_ID_END_IDX, AllocIDEnd, ALLOC_ID_SHARED_IDX, AllocIDSharedPoolID, nil)
341 PONRMgr.UpdateRanges(ctx, GEMPORT_ID_START_IDX, GEMPortIDStart, GEMPORT_ID_END_IDX, GEMPortIDEnd, GEMPORT_ID_SHARED_IDX, GEMPortIDSharedPoolID, nil)
342 PONRMgr.UpdateRanges(ctx, FLOW_ID_START_IDX, FlowIDStart, FLOW_ID_END_IDX, FlowIDEnd, FLOW_ID_SHARED_IDX, FlowIDSharedPoolID, nil)
343 PONRMgr.UpdateRanges(ctx, UNI_ID_START_IDX, UNIIDStart, UNI_ID_END_IDX, UNIIDEnd, "", 0, nil)
344 logger.Debug(ctx, "Initialize default range values")
Scott Baker2c1c4822019-10-16 11:02:41 -0700345 var i uint32
346 if IntfIDs == nil {
347 for i = 0; i < NoOfPONPorts; i++ {
348 PONRMgr.IntfIDs = append(PONRMgr.IntfIDs, i)
349 }
350 } else {
351 PONRMgr.IntfIDs = IntfIDs
352 }
353 return true
354}
355
npujar5bf737f2020-01-16 19:35:25 +0530356func (PONRMgr *PONResourceManager) InitDeviceResourcePool(ctx context.Context) error {
Scott Baker2c1c4822019-10-16 11:02:41 -0700357
358 //Initialize resource pool for all PON ports.
359
Neha Sharma94f16a92020-06-26 04:17:55 +0000360 logger.Debug(ctx, "Init resource ranges")
Scott Baker2c1c4822019-10-16 11:02:41 -0700361
362 var err error
363 for _, Intf := range PONRMgr.IntfIDs {
364 SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32)
365 if SharedPoolID != 0 {
366 Intf = SharedPoolID
367 }
npujar5bf737f2020-01-16 19:35:25 +0530368 if err = PONRMgr.InitResourceIDPool(ctx, Intf, ONU_ID,
Scott Baker2c1c4822019-10-16 11:02:41 -0700369 PONRMgr.PonResourceRanges[ONU_ID_START_IDX].(uint32),
370 PONRMgr.PonResourceRanges[ONU_ID_END_IDX].(uint32)); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000371 logger.Error(ctx, "Failed to init ONU ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700372 return err
373 }
374 if SharedPoolID != 0 {
375 break
376 }
377 }
378
379 for _, Intf := range PONRMgr.IntfIDs {
380 SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32)
381 if SharedPoolID != 0 {
382 Intf = SharedPoolID
383 }
npujar5bf737f2020-01-16 19:35:25 +0530384 if err = PONRMgr.InitResourceIDPool(ctx, Intf, ALLOC_ID,
Scott Baker2c1c4822019-10-16 11:02:41 -0700385 PONRMgr.PonResourceRanges[ALLOC_ID_START_IDX].(uint32),
386 PONRMgr.PonResourceRanges[ALLOC_ID_END_IDX].(uint32)); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000387 logger.Error(ctx, "Failed to init ALLOC ID resource pool ")
Scott Baker2c1c4822019-10-16 11:02:41 -0700388 return err
389 }
390 if SharedPoolID != 0 {
391 break
392 }
393 }
394 for _, Intf := range PONRMgr.IntfIDs {
395 SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32)
396 if SharedPoolID != 0 {
397 Intf = SharedPoolID
398 }
npujar5bf737f2020-01-16 19:35:25 +0530399 if err = PONRMgr.InitResourceIDPool(ctx, Intf, GEMPORT_ID,
Scott Baker2c1c4822019-10-16 11:02:41 -0700400 PONRMgr.PonResourceRanges[GEMPORT_ID_START_IDX].(uint32),
401 PONRMgr.PonResourceRanges[GEMPORT_ID_END_IDX].(uint32)); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000402 logger.Error(ctx, "Failed to init GEMPORT ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700403 return err
404 }
405 if SharedPoolID != 0 {
406 break
407 }
408 }
409
410 for _, Intf := range PONRMgr.IntfIDs {
411 SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32)
412 if SharedPoolID != 0 {
413 Intf = SharedPoolID
414 }
npujar5bf737f2020-01-16 19:35:25 +0530415 if err = PONRMgr.InitResourceIDPool(ctx, Intf, FLOW_ID,
Scott Baker2c1c4822019-10-16 11:02:41 -0700416 PONRMgr.PonResourceRanges[FLOW_ID_START_IDX].(uint32),
417 PONRMgr.PonResourceRanges[FLOW_ID_END_IDX].(uint32)); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000418 logger.Error(ctx, "Failed to init FLOW ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700419 return err
420 }
421 if SharedPoolID != 0 {
422 break
423 }
424 }
425 return err
426}
427
npujar5bf737f2020-01-16 19:35:25 +0530428func (PONRMgr *PONResourceManager) ClearDeviceResourcePool(ctx context.Context) error {
Scott Baker2c1c4822019-10-16 11:02:41 -0700429
430 //Clear resource pool for all PON ports.
431
Neha Sharma94f16a92020-06-26 04:17:55 +0000432 logger.Debug(ctx, "Clear resource ranges")
Scott Baker2c1c4822019-10-16 11:02:41 -0700433
434 for _, Intf := range PONRMgr.IntfIDs {
435 SharedPoolID := PONRMgr.PonResourceRanges[ONU_ID_SHARED_IDX].(uint32)
436 if SharedPoolID != 0 {
437 Intf = SharedPoolID
438 }
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800439 if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ONU_ID); !status {
Neha Sharma94f16a92020-06-26 04:17:55 +0000440 logger.Error(ctx, "Failed to clear ONU ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700441 return errors.New("Failed to clear ONU ID resource pool")
442 }
443 if SharedPoolID != 0 {
444 break
445 }
446 }
447
448 for _, Intf := range PONRMgr.IntfIDs {
449 SharedPoolID := PONRMgr.PonResourceRanges[ALLOC_ID_SHARED_IDX].(uint32)
450 if SharedPoolID != 0 {
451 Intf = SharedPoolID
452 }
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800453 if status := PONRMgr.ClearResourceIDPool(ctx, Intf, ALLOC_ID); !status {
Neha Sharma94f16a92020-06-26 04:17:55 +0000454 logger.Error(ctx, "Failed to clear ALLOC ID resource pool ")
Scott Baker2c1c4822019-10-16 11:02:41 -0700455 return errors.New("Failed to clear ALLOC ID resource pool")
456 }
457 if SharedPoolID != 0 {
458 break
459 }
460 }
461 for _, Intf := range PONRMgr.IntfIDs {
462 SharedPoolID := PONRMgr.PonResourceRanges[GEMPORT_ID_SHARED_IDX].(uint32)
463 if SharedPoolID != 0 {
464 Intf = SharedPoolID
465 }
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800466 if status := PONRMgr.ClearResourceIDPool(ctx, Intf, GEMPORT_ID); !status {
Neha Sharma94f16a92020-06-26 04:17:55 +0000467 logger.Error(ctx, "Failed to clear GEMPORT ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700468 return errors.New("Failed to clear GEMPORT ID resource pool")
469 }
470 if SharedPoolID != 0 {
471 break
472 }
473 }
474
475 for _, Intf := range PONRMgr.IntfIDs {
476 SharedPoolID := PONRMgr.PonResourceRanges[FLOW_ID_SHARED_IDX].(uint32)
477 if SharedPoolID != 0 {
478 Intf = SharedPoolID
479 }
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800480 if status := PONRMgr.ClearResourceIDPool(ctx, Intf, FLOW_ID); !status {
Neha Sharma94f16a92020-06-26 04:17:55 +0000481 logger.Error(ctx, "Failed to clear FLOW ID resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700482 return errors.New("Failed to clear FLOW ID resource pool")
483 }
484 if SharedPoolID != 0 {
485 break
486 }
487 }
488 return nil
489}
490
npujar5bf737f2020-01-16 19:35:25 +0530491func (PONRMgr *PONResourceManager) InitResourceIDPool(ctx context.Context, Intf uint32, ResourceType string, StartID uint32, EndID uint32) error {
Scott Baker2c1c4822019-10-16 11:02:41 -0700492
493 /*Initialize Resource ID pool for a given Resource Type on a given PON Port
494
495 :param pon_intf_id: OLT PON interface id
496 :param resource_type: String to identify type of resource
497 :param start_idx: start index for onu id pool
498 :param end_idx: end index for onu id pool
499 :return boolean: True if resource id pool initialized else false
500 */
501
502 // delegate to the master instance if sharing enabled across instances
503 SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]]
504 if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr {
npujar5bf737f2020-01-16 19:35:25 +0530505 return SharedResourceMgr.InitResourceIDPool(ctx, Intf, ResourceType, StartID, EndID)
Scott Baker2c1c4822019-10-16 11:02:41 -0700506 }
507
Neha Sharma94f16a92020-06-26 04:17:55 +0000508 Path := PONRMgr.GetPath(ctx, Intf, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700509 if Path == "" {
Neha Sharma94f16a92020-06-26 04:17:55 +0000510 logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType)
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800511 return fmt.Errorf("Failed to get path for resource type %s", ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700512 }
513
514 //In case of adapter reboot and reconciliation resource in kv store
515 //checked for its presence if not kv store update happens
npujar5bf737f2020-01-16 19:35:25 +0530516 Res, err := PONRMgr.GetResource(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700517 if (err == nil) && (Res != nil) {
Neha Sharma94f16a92020-06-26 04:17:55 +0000518 logger.Debugf(ctx, "Resource %s already present in store ", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700519 return nil
520 } else {
Esin Karaman5351fc52020-02-14 07:45:49 +0000521 var excluded []uint32
522 if ResourceType == GEMPORT_ID {
523 //get gem port ids defined in the KV store, if any, and exclude them from the gem port id pool
524 if reservedGemPortIds, defined := PONRMgr.getReservedGemPortIdsFromKVStore(ctx); defined {
525 excluded = reservedGemPortIds
Neha Sharma94f16a92020-06-26 04:17:55 +0000526 logger.Debugw(ctx, "Excluding some ports from GEM port id pool", log.Fields{"excluded gem ports": excluded})
Esin Karaman5351fc52020-02-14 07:45:49 +0000527 }
528 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000529 FormatResult, err := PONRMgr.FormatResource(ctx, Intf, StartID, EndID, excluded)
Scott Baker2c1c4822019-10-16 11:02:41 -0700530 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000531 logger.Errorf(ctx, "Failed to format resource")
Scott Baker2c1c4822019-10-16 11:02:41 -0700532 return err
533 }
534 // Add resource as json in kv store.
npujar5bf737f2020-01-16 19:35:25 +0530535 err = PONRMgr.KVStore.Put(ctx, Path, FormatResult)
Scott Baker2c1c4822019-10-16 11:02:41 -0700536 if err == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000537 logger.Debug(ctx, "Successfuly posted to kv store")
Scott Baker2c1c4822019-10-16 11:02:41 -0700538 return err
539 }
540 }
541
Neha Sharma94f16a92020-06-26 04:17:55 +0000542 logger.Debug(ctx, "Error initializing pool")
Scott Baker2c1c4822019-10-16 11:02:41 -0700543
544 return err
545}
546
Esin Karaman5351fc52020-02-14 07:45:49 +0000547func (PONRMgr *PONResourceManager) getReservedGemPortIdsFromKVStore(ctx context.Context) ([]uint32, bool) {
548 var reservedGemPortIds []uint32
549 // read reserved gem ports from the config path
550 KvPair, err := PONRMgr.KVStoreForConfig.Get(ctx, RESERVED_GEMPORT_IDS_PATH)
551 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000552 logger.Errorw(ctx, "Unable to get reserved GEM port ids from the kv store", log.Fields{"err": err})
Esin Karaman5351fc52020-02-14 07:45:49 +0000553 return reservedGemPortIds, false
554 }
555 if KvPair == nil || KvPair.Value == nil {
556 //no reserved gem port defined in the store
557 return reservedGemPortIds, false
558 }
559 Val, err := kvstore.ToByte(KvPair.Value)
560 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000561 logger.Errorw(ctx, "Failed to convert reserved gem port ids into byte array", log.Fields{"err": err})
Esin Karaman5351fc52020-02-14 07:45:49 +0000562 return reservedGemPortIds, false
563 }
564 if err = json.Unmarshal(Val, &reservedGemPortIds); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000565 logger.Errorw(ctx, "Failed to unmarshal reservedGemPortIds", log.Fields{"err": err})
Esin Karaman5351fc52020-02-14 07:45:49 +0000566 return reservedGemPortIds, false
567 }
568 return reservedGemPortIds, true
569}
570
Neha Sharma94f16a92020-06-26 04:17:55 +0000571func (PONRMgr *PONResourceManager) FormatResource(ctx context.Context, IntfID uint32, StartIDx uint32, EndIDx uint32,
Esin Karaman5351fc52020-02-14 07:45:49 +0000572 Excluded []uint32) ([]byte, error) {
Scott Baker2c1c4822019-10-16 11:02:41 -0700573 /*
574 Format resource as json.
575 :param pon_intf_id: OLT PON interface id
576 :param start_idx: start index for id pool
577 :param end_idx: end index for id pool
Esin Karaman5351fc52020-02-14 07:45:49 +0000578 :Id values to be Excluded from the pool
Scott Baker2c1c4822019-10-16 11:02:41 -0700579 :return dictionary: resource formatted as map
580 */
581 // Format resource as json to be stored in backend store
582 Resource := make(map[string]interface{})
583 Resource[PON_INTF_ID] = IntfID
584 Resource[START_IDX] = StartIDx
585 Resource[END_IDX] = EndIDx
586 /*
587 Resource pool stored in backend store as binary string.
588 Tracking the resource allocation will be done by setting the bits \
589 in the byte array. The index set will be the resource number allocated.
590 */
591 var TSData *bitmap.Threadsafe
592 if TSData = bitmap.NewTS(int(EndIDx)); TSData == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000593 logger.Error(ctx, "Failed to create a bitmap")
Scott Baker2c1c4822019-10-16 11:02:41 -0700594 return nil, errors.New("Failed to create bitmap")
595 }
Esin Karaman5351fc52020-02-14 07:45:49 +0000596 for _, excludedID := range Excluded {
597 if excludedID < StartIDx || excludedID > EndIDx {
Neha Sharma94f16a92020-06-26 04:17:55 +0000598 logger.Warnf(ctx, "Cannot reserve %d. It must be in the range of [%d, %d]", excludedID,
Esin Karaman5351fc52020-02-14 07:45:49 +0000599 StartIDx, EndIDx)
600 continue
601 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000602 PONRMgr.reserveID(ctx, TSData, StartIDx, excludedID)
Esin Karaman5351fc52020-02-14 07:45:49 +0000603 }
Scott Baker2c1c4822019-10-16 11:02:41 -0700604 Resource[POOL] = TSData.Data(false) //we pass false so as the TSData lib api does not do a copy of the data and return
605
606 Value, err := json.Marshal(Resource)
607 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000608 logger.Errorf(ctx, "Failed to marshall resource")
Scott Baker2c1c4822019-10-16 11:02:41 -0700609 return nil, err
610 }
611 return Value, err
612}
npujar5bf737f2020-01-16 19:35:25 +0530613func (PONRMgr *PONResourceManager) GetResource(ctx context.Context, Path string) (map[string]interface{}, error) {
Scott Baker2c1c4822019-10-16 11:02:41 -0700614 /*
615 Get resource from kv store.
616
617 :param path: path to get resource
618 :return: resource if resource present in kv store else None
619 */
620 //get resource from kv store
621
622 var Value []byte
623 Result := make(map[string]interface{})
624 var Str string
625
npujar5bf737f2020-01-16 19:35:25 +0530626 Resource, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700627 if (err != nil) || (Resource == nil) {
Neha Sharma94f16a92020-06-26 04:17:55 +0000628 logger.Debugf(ctx, "Resource unavailable at %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700629 return nil, err
630 }
631
632 Value, err = ToByte(Resource.Value)
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800633 if err != nil {
634 return nil, err
635 }
Scott Baker2c1c4822019-10-16 11:02:41 -0700636
637 // decode resource fetched from backend store to dictionary
638 err = json.Unmarshal(Value, &Result)
639 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000640 logger.Error(ctx, "Failed to decode resource")
Scott Baker2c1c4822019-10-16 11:02:41 -0700641 return Result, err
642 }
643 /*
644 resource pool in backend store stored as binary string whereas to
645 access the pool to generate/release IDs it need to be converted
646 as BitArray
647 */
648 Str, err = ToString(Result[POOL])
649 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000650 logger.Error(ctx, "Failed to conver to kv pair to string")
Scott Baker2c1c4822019-10-16 11:02:41 -0700651 return Result, err
652 }
653 Decode64, _ := base64.StdEncoding.DecodeString(Str)
654 Result[POOL], err = ToByte(Decode64)
655 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000656 logger.Error(ctx, "Failed to convert resource pool to byte")
Scott Baker2c1c4822019-10-16 11:02:41 -0700657 return Result, err
658 }
659
660 return Result, err
661}
662
Neha Sharma94f16a92020-06-26 04:17:55 +0000663func (PONRMgr *PONResourceManager) GetPath(ctx context.Context, IntfID uint32, ResourceType string) string {
Scott Baker2c1c4822019-10-16 11:02:41 -0700664 /*
665 Get path for given resource type.
666 :param pon_intf_id: OLT PON interface id
667 :param resource_type: String to identify type of resource
668 :return: path for given resource type
669 */
670
671 /*
672 Get the shared pool for the given resource type.
673 all the resource ranges and the shared resource maps are initialized during the init.
674 */
675 SharedPoolID := PONRMgr.PonResourceRanges[PONRMgr.SharedIdxByType[ResourceType]].(uint32)
676 if SharedPoolID != 0 {
677 IntfID = SharedPoolID
678 }
679 var Path string
680 if ResourceType == ONU_ID {
681 Path = fmt.Sprintf(ONU_ID_POOL_PATH, PONRMgr.DeviceID, IntfID)
682 } else if ResourceType == ALLOC_ID {
683 Path = fmt.Sprintf(ALLOC_ID_POOL_PATH, PONRMgr.DeviceID, IntfID)
684 } else if ResourceType == GEMPORT_ID {
685 Path = fmt.Sprintf(GEMPORT_ID_POOL_PATH, PONRMgr.DeviceID, IntfID)
686 } else if ResourceType == FLOW_ID {
687 Path = fmt.Sprintf(FLOW_ID_POOL_PATH, PONRMgr.DeviceID, IntfID)
688 } else {
Neha Sharma94f16a92020-06-26 04:17:55 +0000689 logger.Error(ctx, "Invalid resource pool identifier")
Scott Baker2c1c4822019-10-16 11:02:41 -0700690 }
691 return Path
692}
693
npujar5bf737f2020-01-16 19:35:25 +0530694func (PONRMgr *PONResourceManager) GetResourceID(ctx context.Context, IntfID uint32, ResourceType string, NumIDs uint32) ([]uint32, error) {
Scott Baker2c1c4822019-10-16 11:02:41 -0700695 /*
696 Create alloc/gemport/onu/flow id for given OLT PON interface.
697 :param pon_intf_id: OLT PON interface id
698 :param resource_type: String to identify type of resource
699 :param num_of_id: required number of ids
700 :return list/uint32/None: list, uint32 or None if resource type is
701 alloc_id/gemport_id, onu_id or invalid type respectively
702 */
703 if NumIDs < 1 {
Neha Sharma94f16a92020-06-26 04:17:55 +0000704 logger.Error(ctx, "Invalid number of resources requested")
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800705 return nil, fmt.Errorf("Invalid number of resources requested %d", NumIDs)
Scott Baker2c1c4822019-10-16 11:02:41 -0700706 }
707 // delegate to the master instance if sharing enabled across instances
708
709 SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]]
710 if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr {
npujar5bf737f2020-01-16 19:35:25 +0530711 return SharedResourceMgr.GetResourceID(ctx, IntfID, ResourceType, NumIDs)
Scott Baker2c1c4822019-10-16 11:02:41 -0700712 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000713 logger.Debugf(ctx, "Fetching resource from %s rsrc mgr for resource %s", PONRMgr.Globalorlocal, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700714
Neha Sharma94f16a92020-06-26 04:17:55 +0000715 Path := PONRMgr.GetPath(ctx, IntfID, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700716 if Path == "" {
Neha Sharma94f16a92020-06-26 04:17:55 +0000717 logger.Errorf(ctx, "Failed to get path for resource type %s", ResourceType)
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800718 return nil, fmt.Errorf("Failed to get path for resource type %s", ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700719 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000720 logger.Debugf(ctx, "Get resource for type %s on path %s", ResourceType, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700721 var Result []uint32
722 var NextID uint32
npujar5bf737f2020-01-16 19:35:25 +0530723 Resource, err := PONRMgr.GetResource(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700724 if (err == nil) && (ResourceType == ONU_ID) || (ResourceType == FLOW_ID) {
Neha Sharma94f16a92020-06-26 04:17:55 +0000725 if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil {
726 logger.Error(ctx, "Failed to Generate ID")
Scott Baker2c1c4822019-10-16 11:02:41 -0700727 return Result, err
728 }
729 Result = append(Result, NextID)
730 } else if (err == nil) && ((ResourceType == GEMPORT_ID) || (ResourceType == ALLOC_ID)) {
731 if NumIDs == 1 {
Neha Sharma94f16a92020-06-26 04:17:55 +0000732 if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil {
733 logger.Error(ctx, "Failed to Generate ID")
Scott Baker2c1c4822019-10-16 11:02:41 -0700734 return Result, err
735 }
736 Result = append(Result, NextID)
737 } else {
738 for NumIDs > 0 {
Neha Sharma94f16a92020-06-26 04:17:55 +0000739 if NextID, err = PONRMgr.GenerateNextID(ctx, Resource); err != nil {
740 logger.Error(ctx, "Failed to Generate ID")
Scott Baker2c1c4822019-10-16 11:02:41 -0700741 return Result, err
742 }
743 Result = append(Result, NextID)
744 NumIDs--
745 }
746 }
747 } else {
Neha Sharma94f16a92020-06-26 04:17:55 +0000748 logger.Error(ctx, "get resource failed")
Scott Baker2c1c4822019-10-16 11:02:41 -0700749 return Result, err
750 }
751
752 //Update resource in kv store
npujar5bf737f2020-01-16 19:35:25 +0530753 if PONRMgr.UpdateResource(ctx, Path, Resource) != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000754 logger.Errorf(ctx, "Failed to update resource %s", Path)
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800755 return nil, fmt.Errorf("Failed to update resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700756 }
757 return Result, nil
758}
759
760func checkValidResourceType(ResourceType string) bool {
761 KnownResourceTypes := []string{ONU_ID, ALLOC_ID, GEMPORT_ID, FLOW_ID}
762
763 for _, v := range KnownResourceTypes {
764 if v == ResourceType {
765 return true
766 }
767 }
768 return false
769}
770
npujar5bf737f2020-01-16 19:35:25 +0530771func (PONRMgr *PONResourceManager) FreeResourceID(ctx context.Context, IntfID uint32, ResourceType string, ReleaseContent []uint32) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -0700772 /*
773 Release alloc/gemport/onu/flow id for given OLT PON interface.
774 :param pon_intf_id: OLT PON interface id
775 :param resource_type: String to identify type of resource
776 :param release_content: required number of ids
777 :return boolean: True if all IDs in given release_content release else False
778 */
David K. Bainbridge7c75cac2020-02-19 08:53:46 -0800779 if !checkValidResourceType(ResourceType) {
Neha Sharma94f16a92020-06-26 04:17:55 +0000780 logger.Error(ctx, "Invalid resource type")
Scott Baker2c1c4822019-10-16 11:02:41 -0700781 return false
782 }
783 if ReleaseContent == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000784 logger.Debug(ctx, "Nothing to release")
Scott Baker2c1c4822019-10-16 11:02:41 -0700785 return true
786 }
787 // delegate to the master instance if sharing enabled across instances
788 SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]]
789 if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr {
npujar5bf737f2020-01-16 19:35:25 +0530790 return SharedResourceMgr.FreeResourceID(ctx, IntfID, ResourceType, ReleaseContent)
Scott Baker2c1c4822019-10-16 11:02:41 -0700791 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000792 Path := PONRMgr.GetPath(ctx, IntfID, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700793 if Path == "" {
Neha Sharma94f16a92020-06-26 04:17:55 +0000794 logger.Error(ctx, "Failed to get path")
Scott Baker2c1c4822019-10-16 11:02:41 -0700795 return false
796 }
npujar5bf737f2020-01-16 19:35:25 +0530797 Resource, err := PONRMgr.GetResource(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700798 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000799 logger.Error(ctx, "Failed to get resource")
Scott Baker2c1c4822019-10-16 11:02:41 -0700800 return false
801 }
802 for _, Val := range ReleaseContent {
Neha Sharma94f16a92020-06-26 04:17:55 +0000803 PONRMgr.ReleaseID(ctx, Resource, Val)
Scott Baker2c1c4822019-10-16 11:02:41 -0700804 }
npujar5bf737f2020-01-16 19:35:25 +0530805 if PONRMgr.UpdateResource(ctx, Path, Resource) != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000806 logger.Errorf(ctx, "Free resource for %s failed", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700807 return false
808 }
809 return true
810}
811
npujar5bf737f2020-01-16 19:35:25 +0530812func (PONRMgr *PONResourceManager) UpdateResource(ctx context.Context, Path string, Resource map[string]interface{}) error {
Scott Baker2c1c4822019-10-16 11:02:41 -0700813 /*
814 Update resource in resource kv store.
815 :param path: path to update resource
816 :param resource: resource need to be updated
817 :return boolean: True if resource updated in kv store else False
818 */
819 // TODO resource[POOL] = resource[POOL].bin
820 Value, err := json.Marshal(Resource)
821 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000822 logger.Error(ctx, "failed to Marshal")
Scott Baker2c1c4822019-10-16 11:02:41 -0700823 return err
824 }
npujar5bf737f2020-01-16 19:35:25 +0530825 err = PONRMgr.KVStore.Put(ctx, Path, Value)
Scott Baker2c1c4822019-10-16 11:02:41 -0700826 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000827 logger.Error(ctx, "failed to put data to kv store %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700828 return err
829 }
830 return nil
831}
832
npujar5bf737f2020-01-16 19:35:25 +0530833func (PONRMgr *PONResourceManager) ClearResourceIDPool(ctx context.Context, contIntfID uint32, ResourceType string) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -0700834 /*
835 Clear Resource Pool for a given Resource Type on a given PON Port.
836 :return boolean: True if removed else False
837 */
838
839 // delegate to the master instance if sharing enabled across instances
840 SharedResourceMgr := PONRMgr.SharedResourceMgrs[PONRMgr.SharedIdxByType[ResourceType]]
841 if SharedResourceMgr != nil && PONRMgr != SharedResourceMgr {
npujar5bf737f2020-01-16 19:35:25 +0530842 return SharedResourceMgr.ClearResourceIDPool(ctx, contIntfID, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700843 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000844 Path := PONRMgr.GetPath(ctx, contIntfID, ResourceType)
Scott Baker2c1c4822019-10-16 11:02:41 -0700845 if Path == "" {
Neha Sharma94f16a92020-06-26 04:17:55 +0000846 logger.Error(ctx, "Failed to get path")
Scott Baker2c1c4822019-10-16 11:02:41 -0700847 return false
848 }
849
npujar5bf737f2020-01-16 19:35:25 +0530850 if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000851 logger.Errorf(ctx, "Failed to delete resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700852 return false
853 }
Neha Sharma94f16a92020-06-26 04:17:55 +0000854 logger.Debugf(ctx, "Cleared resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700855 return true
856}
857
npujar5bf737f2020-01-16 19:35:25 +0530858func (PONRMgr PONResourceManager) InitResourceMap(ctx context.Context, PONIntfONUID string) {
Scott Baker2c1c4822019-10-16 11:02:41 -0700859 /*
860 Initialize resource map
861 :param pon_intf_onu_id: reference of PON interface id and onu id
862 */
863 // initialize pon_intf_onu_id tuple to alloc_ids map
864 AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID)
865 var AllocIDs []byte
npujar5bf737f2020-01-16 19:35:25 +0530866 Result := PONRMgr.KVStore.Put(ctx, AllocIDPath, AllocIDs)
Scott Baker2c1c4822019-10-16 11:02:41 -0700867 if Result != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000868 logger.Error(ctx, "Failed to update the KV store")
Scott Baker2c1c4822019-10-16 11:02:41 -0700869 return
870 }
871 // initialize pon_intf_onu_id tuple to gemport_ids map
872 GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID)
873 var GEMPortIDs []byte
npujar5bf737f2020-01-16 19:35:25 +0530874 Result = PONRMgr.KVStore.Put(ctx, GEMPortIDPath, GEMPortIDs)
Scott Baker2c1c4822019-10-16 11:02:41 -0700875 if Result != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000876 logger.Error(ctx, "Failed to update the KV store")
Scott Baker2c1c4822019-10-16 11:02:41 -0700877 return
878 }
879}
880
npujar5bf737f2020-01-16 19:35:25 +0530881func (PONRMgr PONResourceManager) RemoveResourceMap(ctx context.Context, PONIntfONUID string) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -0700882 /*
883 Remove resource map
884 :param pon_intf_onu_id: reference of PON interface id and onu id
885 */
886 // remove pon_intf_onu_id tuple to alloc_ids map
887 var err error
888 AllocIDPath := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID)
npujar5bf737f2020-01-16 19:35:25 +0530889 if err = PONRMgr.KVStore.Delete(ctx, AllocIDPath); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000890 logger.Errorf(ctx, "Failed to remove resource %s", AllocIDPath)
Scott Baker2c1c4822019-10-16 11:02:41 -0700891 return false
892 }
893 // remove pon_intf_onu_id tuple to gemport_ids map
894 GEMPortIDPath := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID)
npujar5bf737f2020-01-16 19:35:25 +0530895 err = PONRMgr.KVStore.Delete(ctx, GEMPortIDPath)
Scott Baker2c1c4822019-10-16 11:02:41 -0700896 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000897 logger.Errorf(ctx, "Failed to remove resource %s", GEMPortIDPath)
Scott Baker2c1c4822019-10-16 11:02:41 -0700898 return false
899 }
900
901 FlowIDPath := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, PONIntfONUID)
npujar5bf737f2020-01-16 19:35:25 +0530902 if FlowIDs, err := PONRMgr.KVStore.List(ctx, FlowIDPath); err != nil {
Scott Baker2c1c4822019-10-16 11:02:41 -0700903 for _, Flow := range FlowIDs {
904 FlowIDInfoPath := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, PONIntfONUID, Flow.Value)
npujar5bf737f2020-01-16 19:35:25 +0530905 if err = PONRMgr.KVStore.Delete(ctx, FlowIDInfoPath); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000906 logger.Errorf(ctx, "Failed to remove resource %s", FlowIDInfoPath)
Scott Baker2c1c4822019-10-16 11:02:41 -0700907 return false
908 }
909 }
910 }
911
npujar5bf737f2020-01-16 19:35:25 +0530912 if err = PONRMgr.KVStore.Delete(ctx, FlowIDPath); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000913 logger.Errorf(ctx, "Failed to remove resource %s", FlowIDPath)
Scott Baker2c1c4822019-10-16 11:02:41 -0700914 return false
915 }
916
917 return true
918}
919
npujar5bf737f2020-01-16 19:35:25 +0530920func (PONRMgr *PONResourceManager) GetCurrentAllocIDForOnu(ctx context.Context, IntfONUID string) []uint32 {
Scott Baker2c1c4822019-10-16 11:02:41 -0700921 /*
922 Get currently configured alloc ids for given pon_intf_onu_id
923 :param pon_intf_onu_id: reference of PON interface id and onu id
924 :return list: List of alloc_ids if available, else None
925 */
926 Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
927
928 var Data []uint32
npujar5bf737f2020-01-16 19:35:25 +0530929 Value, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700930 if err == nil {
931 if Value != nil {
932 Val, err := ToByte(Value.Value)
933 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000934 logger.Errorw(ctx, "Failed to convert into byte array", log.Fields{"error": err})
Scott Baker2c1c4822019-10-16 11:02:41 -0700935 return Data
936 }
937 if err = json.Unmarshal(Val, &Data); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000938 logger.Error(ctx, "Failed to unmarshal", log.Fields{"error": err})
Scott Baker2c1c4822019-10-16 11:02:41 -0700939 return Data
940 }
941 }
942 }
943 return Data
944}
945
npujar5bf737f2020-01-16 19:35:25 +0530946func (PONRMgr *PONResourceManager) GetCurrentGEMPortIDsForOnu(ctx context.Context, IntfONUID string) []uint32 {
Scott Baker2c1c4822019-10-16 11:02:41 -0700947 /*
948 Get currently configured gemport ids for given pon_intf_onu_id
949 :param pon_intf_onu_id: reference of PON interface id and onu id
950 :return list: List of gemport IDs if available, else None
951 */
952
953 Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
Neha Sharma94f16a92020-06-26 04:17:55 +0000954 logger.Debugf(ctx, "Getting current gemports for %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700955 var Data []uint32
npujar5bf737f2020-01-16 19:35:25 +0530956 Value, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700957 if err == nil {
958 if Value != nil {
959 Val, _ := ToByte(Value.Value)
960 if err = json.Unmarshal(Val, &Data); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000961 logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err})
Scott Baker2c1c4822019-10-16 11:02:41 -0700962 return Data
963 }
964 }
965 } else {
Neha Sharma94f16a92020-06-26 04:17:55 +0000966 logger.Errorf(ctx, "Failed to get data from kvstore for %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700967 }
968 return Data
969}
970
npujar5bf737f2020-01-16 19:35:25 +0530971func (PONRMgr *PONResourceManager) GetCurrentFlowIDsForOnu(ctx context.Context, IntfONUID string) []uint32 {
Scott Baker2c1c4822019-10-16 11:02:41 -0700972 /*
973 Get currently configured flow ids for given pon_intf_onu_id
974 :param pon_intf_onu_id: reference of PON interface id and onu id
975 :return list: List of Flow IDs if available, else None
976 */
977
978 Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
979
980 var Data []uint32
npujar5bf737f2020-01-16 19:35:25 +0530981 Value, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -0700982 if err == nil {
983 if Value != nil {
984 Val, _ := ToByte(Value.Value)
985 if err = json.Unmarshal(Val, &Data); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +0000986 logger.Error(ctx, "Failed to unmarshal")
Scott Baker2c1c4822019-10-16 11:02:41 -0700987 return Data
988 }
989 }
990 }
991 return Data
992}
993
npujar5bf737f2020-01-16 19:35:25 +0530994func (PONRMgr *PONResourceManager) GetFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32, Data interface{}) error {
Scott Baker2c1c4822019-10-16 11:02:41 -0700995 /*
996 Get flow details configured for the ONU.
997 :param pon_intf_onu_id: reference of PON interface id and onu id
998 :param flow_id: Flow Id reference
999 :param Data: Result
1000 :return error: nil if no error in getting from KV store
1001 */
1002
1003 Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID)
1004
npujar5bf737f2020-01-16 19:35:25 +05301005 Value, err := PONRMgr.KVStore.Get(ctx, Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001006 if err == nil {
1007 if Value != nil {
1008 Val, err := ToByte(Value.Value)
1009 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001010 logger.Errorw(ctx, "Failed to convert flowinfo into byte array", log.Fields{"error": err})
Scott Baker2c1c4822019-10-16 11:02:41 -07001011 return err
1012 }
1013 if err = json.Unmarshal(Val, Data); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001014 logger.Errorw(ctx, "Failed to unmarshal", log.Fields{"error": err})
Scott Baker2c1c4822019-10-16 11:02:41 -07001015 return err
1016 }
1017 }
1018 }
1019 return err
1020}
1021
npujar5bf737f2020-01-16 19:35:25 +05301022func (PONRMgr *PONResourceManager) RemoveFlowIDInfo(ctx context.Context, IntfONUID string, FlowID uint32) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -07001023 /*
1024 Get flow_id details configured for the ONU.
1025 :param pon_intf_onu_id: reference of PON interface id and onu id
1026 :param flow_id: Flow Id reference
1027 */
1028 Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID)
1029
npujar5bf737f2020-01-16 19:35:25 +05301030 if err := PONRMgr.KVStore.Delete(ctx, Path); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001031 logger.Errorf(ctx, "Falied to remove resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001032 return false
1033 }
1034 return true
1035}
1036
npujar5bf737f2020-01-16 19:35:25 +05301037func (PONRMgr *PONResourceManager) UpdateAllocIdsForOnu(ctx context.Context, IntfONUID string, AllocIDs []uint32) error {
Scott Baker2c1c4822019-10-16 11:02:41 -07001038 /*
1039 Update currently configured alloc ids for given pon_intf_onu_id
1040 :param pon_intf_onu_id: reference of PON interface id and onu id
1041 :param alloc_ids: list of alloc ids
1042 */
1043 var Value []byte
1044 var err error
1045 Path := fmt.Sprintf(ALLOC_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
1046 Value, err = json.Marshal(AllocIDs)
1047 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001048 logger.Error(ctx, "failed to Marshal")
Scott Baker2c1c4822019-10-16 11:02:41 -07001049 return err
1050 }
1051
npujar5bf737f2020-01-16 19:35:25 +05301052 if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001053 logger.Errorf(ctx, "Failed to update resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001054 return err
1055 }
1056 return err
1057}
1058
npujar5bf737f2020-01-16 19:35:25 +05301059func (PONRMgr *PONResourceManager) UpdateGEMPortIDsForOnu(ctx context.Context, IntfONUID string, GEMPortIDs []uint32) error {
Scott Baker2c1c4822019-10-16 11:02:41 -07001060 /*
1061 Update currently configured gemport ids for given pon_intf_onu_id
1062 :param pon_intf_onu_id: reference of PON interface id and onu id
1063 :param gemport_ids: list of gem port ids
1064 */
1065
1066 var Value []byte
1067 var err error
1068 Path := fmt.Sprintf(GEMPORT_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
Neha Sharma94f16a92020-06-26 04:17:55 +00001069 logger.Debugf(ctx, "Updating gemport ids for %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001070 Value, err = json.Marshal(GEMPortIDs)
1071 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001072 logger.Error(ctx, "failed to Marshal")
Scott Baker2c1c4822019-10-16 11:02:41 -07001073 return err
1074 }
1075
npujar5bf737f2020-01-16 19:35:25 +05301076 if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001077 logger.Errorf(ctx, "Failed to update resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001078 return err
1079 }
1080 return err
1081}
1082
1083func checkForFlowIDInList(FlowIDList []uint32, FlowID uint32) (bool, uint32) {
1084 /*
1085 Check for a flow id in a given list of flow IDs.
1086 :param FLowIDList: List of Flow IDs
1087 :param FlowID: Flowd to check in the list
1088 : return true and the index if present false otherwise.
1089 */
1090
David K. Bainbridge7c75cac2020-02-19 08:53:46 -08001091 for idx := range FlowIDList {
Scott Baker2c1c4822019-10-16 11:02:41 -07001092 if FlowID == FlowIDList[idx] {
1093 return true, uint32(idx)
1094 }
1095 }
1096 return false, 0
1097}
1098
npujar5bf737f2020-01-16 19:35:25 +05301099func (PONRMgr *PONResourceManager) UpdateFlowIDForOnu(ctx context.Context, IntfONUID string, FlowID uint32, Add bool) error {
Scott Baker2c1c4822019-10-16 11:02:41 -07001100 /*
1101 Update the flow_id list of the ONU (add or remove flow_id from the list)
1102 :param pon_intf_onu_id: reference of PON interface id and onu id
1103 :param flow_id: flow ID
1104 :param add: Boolean flag to indicate whether the flow_id should be
1105 added or removed from the list. Defaults to adding the flow.
1106 */
1107 var Value []byte
1108 var err error
1109 var RetVal bool
1110 var IDx uint32
1111 Path := fmt.Sprintf(FLOW_ID_RESOURCE_MAP_PATH, PONRMgr.DeviceID, IntfONUID)
npujar5bf737f2020-01-16 19:35:25 +05301112 FlowIDs := PONRMgr.GetCurrentFlowIDsForOnu(ctx, IntfONUID)
Scott Baker2c1c4822019-10-16 11:02:41 -07001113
1114 if Add {
David K. Bainbridge7c75cac2020-02-19 08:53:46 -08001115 if RetVal, _ = checkForFlowIDInList(FlowIDs, FlowID); RetVal {
1116 return nil
Scott Baker2c1c4822019-10-16 11:02:41 -07001117 }
1118 FlowIDs = append(FlowIDs, FlowID)
1119 } else {
David K. Bainbridge7c75cac2020-02-19 08:53:46 -08001120 if RetVal, IDx = checkForFlowIDInList(FlowIDs, FlowID); !RetVal {
1121 return nil
Scott Baker2c1c4822019-10-16 11:02:41 -07001122 }
1123 // delete the index and shift
1124 FlowIDs = append(FlowIDs[:IDx], FlowIDs[IDx+1:]...)
1125 }
1126 Value, err = json.Marshal(FlowIDs)
1127 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001128 logger.Error(ctx, "Failed to Marshal")
Scott Baker2c1c4822019-10-16 11:02:41 -07001129 return err
1130 }
1131
npujar5bf737f2020-01-16 19:35:25 +05301132 if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001133 logger.Errorf(ctx, "Failed to update resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001134 return err
1135 }
1136 return err
1137}
1138
npujar5bf737f2020-01-16 19:35:25 +05301139func (PONRMgr *PONResourceManager) UpdateFlowIDInfoForOnu(ctx context.Context, IntfONUID string, FlowID uint32, FlowData interface{}) error {
Scott Baker2c1c4822019-10-16 11:02:41 -07001140 /*
1141 Update any metadata associated with the flow_id. The flow_data could be json
1142 or any of other data structure. The resource manager doesnt care
1143 :param pon_intf_onu_id: reference of PON interface id and onu id
1144 :param flow_id: Flow ID
1145 :param flow_data: Flow data blob
1146 */
1147 var Value []byte
1148 var err error
1149 Path := fmt.Sprintf(FLOW_ID_INFO_PATH, PONRMgr.DeviceID, IntfONUID, FlowID)
1150 Value, err = json.Marshal(FlowData)
1151 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001152 logger.Error(ctx, "failed to Marshal")
Scott Baker2c1c4822019-10-16 11:02:41 -07001153 return err
1154 }
1155
npujar5bf737f2020-01-16 19:35:25 +05301156 if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001157 logger.Errorf(ctx, "Failed to update resource %s", Path)
Scott Baker2c1c4822019-10-16 11:02:41 -07001158 return err
1159 }
1160 return err
1161}
1162
Neha Sharma94f16a92020-06-26 04:17:55 +00001163func (PONRMgr *PONResourceManager) GenerateNextID(ctx context.Context, Resource map[string]interface{}) (uint32, error) {
Scott Baker2c1c4822019-10-16 11:02:41 -07001164 /*
1165 Generate unique id having OFFSET as start
1166 :param resource: resource used to generate ID
1167 :return uint32: generated id
1168 */
1169 ByteArray, err := ToByte(Resource[POOL])
1170 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001171 logger.Error(ctx, "Failed to convert resource to byte array")
Scott Baker2c1c4822019-10-16 11:02:41 -07001172 return 0, err
1173 }
1174 Data := bitmap.TSFromData(ByteArray, false)
1175 if Data == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001176 logger.Error(ctx, "Failed to get data from byte array")
Scott Baker2c1c4822019-10-16 11:02:41 -07001177 return 0, errors.New("Failed to get data from byte array")
1178 }
1179
1180 Len := Data.Len()
1181 var Idx int
1182 for Idx = 0; Idx < Len; Idx++ {
David K. Bainbridge7c75cac2020-02-19 08:53:46 -08001183 if !Data.Get(Idx) {
Scott Baker2c1c4822019-10-16 11:02:41 -07001184 break
1185 }
1186 }
1187 Data.Set(Idx, true)
1188 res := uint32(Resource[START_IDX].(float64))
1189 Resource[POOL] = Data.Data(false)
Neha Sharma94f16a92020-06-26 04:17:55 +00001190 logger.Debugf(ctx, "Generated ID for %d", (uint32(Idx) + res))
Scott Baker2c1c4822019-10-16 11:02:41 -07001191 return (uint32(Idx) + res), err
1192}
1193
Neha Sharma94f16a92020-06-26 04:17:55 +00001194func (PONRMgr *PONResourceManager) ReleaseID(ctx context.Context, Resource map[string]interface{}, Id uint32) bool {
Scott Baker2c1c4822019-10-16 11:02:41 -07001195 /*
1196 Release unique id having OFFSET as start index.
1197 :param resource: resource used to release ID
1198 :param unique_id: id need to be released
1199 */
1200 ByteArray, err := ToByte(Resource[POOL])
1201 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001202 logger.Error(ctx, "Failed to convert resource to byte array")
Scott Baker2c1c4822019-10-16 11:02:41 -07001203 return false
1204 }
1205 Data := bitmap.TSFromData(ByteArray, false)
1206 if Data == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001207 logger.Error(ctx, "Failed to get resource pool")
Scott Baker2c1c4822019-10-16 11:02:41 -07001208 return false
1209 }
David K. Bainbridge7c75cac2020-02-19 08:53:46 -08001210 Idx := Id - uint32(Resource[START_IDX].(float64))
Scott Baker2c1c4822019-10-16 11:02:41 -07001211 Data.Set(int(Idx), false)
1212 Resource[POOL] = Data.Data(false)
1213
1214 return true
1215}
1216
Esin Karaman5351fc52020-02-14 07:45:49 +00001217/* Reserves a unique id in the specified resource pool.
1218:param Resource: resource used to reserve ID
1219:param Id: ID to be reserved
1220*/
Neha Sharma94f16a92020-06-26 04:17:55 +00001221func (PONRMgr *PONResourceManager) reserveID(ctx context.Context, TSData *bitmap.Threadsafe, StartIndex uint32, Id uint32) bool {
Esin Karaman5351fc52020-02-14 07:45:49 +00001222 Data := bitmap.TSFromData(TSData.Data(false), false)
1223 if Data == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001224 logger.Error(ctx, "Failed to get resource pool")
Esin Karaman5351fc52020-02-14 07:45:49 +00001225 return false
1226 }
1227 Idx := Id - StartIndex
1228 Data.Set(int(Idx), true)
1229 return true
1230}
1231
Scott Baker2c1c4822019-10-16 11:02:41 -07001232func (PONRMgr *PONResourceManager) GetTechnology() string {
1233 return PONRMgr.Technology
1234}
1235
1236func (PONRMgr *PONResourceManager) GetResourceTypeAllocID() string {
1237 return ALLOC_ID
1238}
1239
1240func (PONRMgr *PONResourceManager) GetResourceTypeGemPortID() string {
1241 return GEMPORT_ID
1242}
1243
1244// ToByte converts an interface value to a []byte. The interface should either be of
1245// a string type or []byte. Otherwise, an error is returned.
1246func ToByte(value interface{}) ([]byte, error) {
1247 switch t := value.(type) {
1248 case []byte:
1249 return value.([]byte), nil
1250 case string:
1251 return []byte(value.(string)), nil
1252 default:
1253 return nil, fmt.Errorf("unexpected-type-%T", t)
1254 }
1255}
1256
1257// ToString converts an interface value to a string. The interface should either be of
1258// a string type or []byte. Otherwise, an error is returned.
1259func ToString(value interface{}) (string, error) {
1260 switch t := value.(type) {
1261 case []byte:
1262 return string(value.([]byte)), nil
1263 case string:
1264 return value.(string), nil
1265 default:
1266 return "", fmt.Errorf("unexpected-type-%T", t)
1267 }
1268}
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301269
npujar5bf737f2020-01-16 19:35:25 +05301270func (PONRMgr *PONResourceManager) AddOnuGemInfo(ctx context.Context, intfID uint32, onuGemData interface{}) error {
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301271 /*
1272 Update onugem info map,
1273 :param pon_intf_id: reference of PON interface id
1274 :param onuegmdata: onugem info map
1275 */
1276 var Value []byte
1277 var err error
1278 Path := fmt.Sprintf(ONU_GEM_INFO_PATH, PONRMgr.DeviceID, intfID)
1279 Value, err = json.Marshal(onuGemData)
1280 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001281 logger.Error(ctx, "failed to Marshal")
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301282 return err
1283 }
1284
npujar5bf737f2020-01-16 19:35:25 +05301285 if err = PONRMgr.KVStore.Put(ctx, Path, Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001286 logger.Errorf(ctx, "Failed to update resource %s", Path)
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301287 return err
1288 }
1289 return err
1290}
1291
npujar5bf737f2020-01-16 19:35:25 +05301292func (PONRMgr *PONResourceManager) GetOnuGemInfo(ctx context.Context, IntfId uint32, onuGemInfo interface{}) error {
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301293 /*
1294 Get onugeminfo map from kvstore
1295 :param intfid: refremce pon intfid
1296 :param onuGemInfo: onugem info to return from kv strore.
1297 */
1298 var Val []byte
1299
1300 path := fmt.Sprintf(ONU_GEM_INFO_PATH, PONRMgr.DeviceID, IntfId)
npujar5bf737f2020-01-16 19:35:25 +05301301 value, err := PONRMgr.KVStore.Get(ctx, path)
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301302 if err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001303 logger.Errorw(ctx, "Failed to get from kv store", log.Fields{"path": path})
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301304 return err
1305 } else if value == nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001306 logger.Debug(ctx, "No onuinfo for path", log.Fields{"path": path})
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301307 return nil // returning nil as this could happen if there are no onus for the interface yet
1308 }
1309 if Val, err = kvstore.ToByte(value.Value); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001310 logger.Error(ctx, "Failed to convert to byte array")
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301311 return err
1312 }
1313
1314 if err = json.Unmarshal(Val, &onuGemInfo); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001315 logger.Error(ctx, "Failed to unmarshall")
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301316 return err
1317 }
Neha Sharma94f16a92020-06-26 04:17:55 +00001318 logger.Debugw(ctx, "found onuinfo from path", log.Fields{"path": path, "onuinfo": onuGemInfo})
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301319 return err
1320}
1321
npujar5bf737f2020-01-16 19:35:25 +05301322func (PONRMgr *PONResourceManager) DelOnuGemInfoForIntf(ctx context.Context, intfId uint32) error {
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301323 /*
1324 delete onugem info for an interface from kvstore
1325 :param intfid: refremce pon intfid
1326 */
1327
1328 path := fmt.Sprintf(ONU_GEM_INFO_PATH, PONRMgr.DeviceID, intfId)
npujar5bf737f2020-01-16 19:35:25 +05301329 if err := PONRMgr.KVStore.Delete(ctx, path); err != nil {
Neha Sharma94f16a92020-06-26 04:17:55 +00001330 logger.Errorf(ctx, "Falied to remove resource %s", path)
Abhilash Laxmeshwarbbb0b2b2019-10-31 17:04:29 +05301331 return err
1332 }
1333 return nil
1334}