pkg/control/sdl_restSubsDb.go

   1 /*
   2    ==================================================================================
   3   Copyright (c) 2019 AT&T Intellectual Property.
   4   Copyright (c) 2019 Nokia
   5
   6    Licensed under the Apache License, Version 2.0 (the "License");
   7    you may not use this file except in compliance with the License.
   8    You may obtain a copy of the License at
   9
  10 http://www.apache.org/licenses/LICENSE-2.0
  11
  12    Unless required by applicable law or agreed to in writing, software
  13    distributed under the License is distributed on an "AS IS" BASIS,
  14    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15    See the License for the specific language governing permissions and
  16    limitations under the License.
  17    ==================================================================================
  18 */
  19
  20 package control
  21
  22 import (
  23         "encoding/json"
  24         "fmt"
  25
  26         sdl "gerrit.o-ran-sc.org/r/ric-plt/sdlgo"
  27         "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
  28 )
  29
  30 const restSubSdlNs = "submgr_restSubsDb"
  31
  32 type RESTSubscriptionInfo struct {
  33         XAppRmrEndPoint  string
  34         Meid             string
  35         InstanceIds      []uint32
  36         XAppIdToE2Id     map[int64]int64
  37         SubReqOngoing    bool
  38         SubDelReqOngoing bool
  39         Md5sum           string
  40 }
  41
  42 func CreateRESTSdl() Sdlnterface {
  43         return sdl.NewSyncStorage()
  44 }
  45
  46 func (c *Control) WriteRESTSubscriptionToSdl(restSubId string, restSubs *RESTSubscription) error {
  47
  48         var restSubscriptionInfo RESTSubscriptionInfo
  49         restSubscriptionInfo.XAppRmrEndPoint = restSubs.xAppRmrEndPoint
  50         restSubscriptionInfo.Meid = restSubs.Meid
  51         restSubscriptionInfo.InstanceIds = restSubs.InstanceIds
  52         restSubscriptionInfo.XAppIdToE2Id = restSubs.xAppIdToE2Id
  53         restSubscriptionInfo.SubReqOngoing = restSubs.SubReqOngoing
  54         restSubscriptionInfo.SubDelReqOngoing = restSubs.SubDelReqOngoing
  55         restSubscriptionInfo.Md5sum = restSubs.lastReqMd5sum
  56
  57         jsonData, err := json.Marshal(restSubscriptionInfo)
  58         if err != nil {
  59                 return fmt.Errorf("SDL: WriteSubscriptionToSdl() json.Marshal error: %s", err.Error())
  60         }
  61
  62         if err = c.restSubsDb.Set(restSubSdlNs, restSubId, jsonData); err != nil {
  63                 c.UpdateCounter(cSDLWriteFailure)
  64                 return fmt.Errorf("SDL: WriteSubscriptionToSdl(): %s", err.Error())
  65         } else {
  66                 xapp.Logger.Debug("SDL: Subscription written in restSubsDb. restSubId = %v", restSubId)
  67         }
  68         return nil
  69 }
  70
  71 func (c *Control) ReadRESTSubscriptionFromSdl(restSubId string) (*RESTSubscription, error) {
  72
  73         // This function is now just for testing purpose
  74         key := restSubId
  75         retMap, err := c.restSubsDb.Get(restSubSdlNs, []string{key})
  76         if err != nil {
  77                 c.UpdateCounter(cSDLReadFailure)
  78                 return nil, fmt.Errorf("SDL: ReadSubscriptionFromSdl(): %s", err.Error())
  79         } else {
  80                 xapp.Logger.Debug("SDL: Subscription read from restSubsDb.  restSubId = %v", restSubId)
  81         }
  82
  83         restSubs := &RESTSubscription{}
  84         for _, iRESTSubscriptionInfo := range retMap {
  85
  86                 if iRESTSubscriptionInfo == nil {
  87                         return nil, fmt.Errorf("SDL: ReadSubscriptionFromSdl() REST subscription not found. restSubId = %v\n", restSubId)
  88                 }
  89
  90                 restSubscriptionInfo := &RESTSubscriptionInfo{}
  91                 jsonSubscriptionInfo := iRESTSubscriptionInfo.(string)
  92
  93                 if err := json.Unmarshal([]byte(jsonSubscriptionInfo), restSubscriptionInfo); err != nil {
  94                         return nil, fmt.Errorf("SDL: ReadSubscriptionFromSdl() json.unmarshal error: %s\n", err.Error())
  95                 }
  96
  97                 restSubs = c.CreateRESTSubscription(restSubscriptionInfo, &jsonSubscriptionInfo)
  98
  99                 restDuplicateCtrl.SetMd5sumFromLastOkRequest(restSubId, restSubs.lastReqMd5sum)
 100         }
 101         return restSubs, nil
 102 }
 103
 104 func (c *Control) CreateRESTSubscription(restSubscriptionInfo *RESTSubscriptionInfo, jsonSubscriptionInfo *string) *RESTSubscription {
 105
 106         restSubs := &RESTSubscription{}
 107         restSubs.xAppRmrEndPoint = restSubscriptionInfo.XAppRmrEndPoint
 108         restSubs.Meid = restSubscriptionInfo.Meid
 109         restSubs.InstanceIds = restSubscriptionInfo.InstanceIds
 110         restSubs.xAppIdToE2Id = restSubscriptionInfo.XAppIdToE2Id
 111         restSubs.SubReqOngoing = restSubscriptionInfo.SubReqOngoing
 112         restSubs.SubDelReqOngoing = restSubscriptionInfo.SubDelReqOngoing
 113         restSubs.lastReqMd5sum = restSubscriptionInfo.Md5sum
 114
 115         return restSubs
 116 }
 117
 118 func (c *Control) RemoveRESTSubscriptionFromSdl(restSubId string) error {
 119
 120         key := restSubId
 121         if err := c.restSubsDb.Remove(restSubSdlNs, []string{key}); err != nil {
 122                 return fmt.Errorf("SDL: RemoveSubscriptionfromSdl(): %s\n", err.Error())
 123         } else {
 124                 xapp.Logger.Debug("SDL: Subscription removed from restSubsDb. restSubId = %v", restSubId)
 125         }
 126         return nil
 127 }
 128
 129 func (c *Control) ReadAllRESTSubscriptionsFromSdl() (map[string]*RESTSubscription, error) {
 130
 131         retMap := make(map[string]*RESTSubscription)
 132         // Get all keys
 133         keys, err := c.restSubsDb.GetAll(restSubSdlNs)
 134         if err != nil {
 135                 c.UpdateCounter(cSDLReadFailure)
 136                 return nil, fmt.Errorf("SDL: ReadAllSubscriptionsFromSdl(), GetAll(). Error while reading REST subscriptions keys from DBAAS %s\n", err.Error())
 137         }
 138
 139         if len(keys) == 0 {
 140                 return retMap, nil
 141         }
 142
 143         // Get all subscriptionInfos
 144         iRESTSubscriptionMap, err := c.restSubsDb.Get(restSubSdlNs, keys)
 145         if err != nil {
 146                 c.UpdateCounter(cSDLReadFailure)
 147                 return nil, fmt.Errorf("SDL: ReadAllSubscriptionsFromSdl(), Get():  Error while reading REST subscriptions from DBAAS %s\n", err.Error())
 148         }
 149
 150         for iRESTSubId, iRESTSubscriptionInfo := range iRESTSubscriptionMap {
 151
 152                 if iRESTSubscriptionInfo == nil {
 153                         return nil, fmt.Errorf("SDL: ReadAllSubscriptionsFromSdl() iRESTSubscriptionInfo = nil\n")
 154                 }
 155
 156                 restSubscriptionInfo := &RESTSubscriptionInfo{}
 157                 jsonSubscriptionInfo := iRESTSubscriptionInfo.(string)
 158
 159                 if err := json.Unmarshal([]byte(jsonSubscriptionInfo), restSubscriptionInfo); err != nil {
 160                         return nil, fmt.Errorf("SDL: ReadAllSubscriptionsFromSdl() json.unmarshal error: %s\n", err.Error())
 161                 }
 162
 163                 restSubs := c.CreateRESTSubscription(restSubscriptionInfo, &jsonSubscriptionInfo)
 164                 retMap[iRESTSubId] = restSubs
 165         }
 166         return retMap, nil
 167 }
 168
 169 func (c *Control) RemoveAllRESTSubscriptionsFromSdl() error {
 170
 171         if err := c.restSubsDb.RemoveAll(restSubSdlNs); err != nil {
 172                 c.UpdateCounter(cSDLRemoveFailure)
 173                 return fmt.Errorf("SDL: RemoveAllSubscriptionsFromSdl(): %s\n", err.Error())
 174         } else {
 175                 xapp.Logger.Debug("SDL: All subscriptions removed from restSubsDb")
 176         }
 177         return nil
 178 }