Holger Hildebrandt | fa07499 | 2020-03-27 15:42:06 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020-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 adaptercoreont provides the utility for onu devices, flows and statistics |
| 18 | package adaptercoreont |
| 19 | |
| 20 | import ( |
| 21 | "context" |
| 22 | //"errors" |
| 23 | //"sync" |
| 24 | //"time" |
| 25 | |
| 26 | "github.com/looplab/fsm" |
| 27 | "github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif" |
| 28 | |
| 29 | //"github.com/opencord/voltha-lib-go/v3/pkg/kafka" |
| 30 | "github.com/opencord/voltha-lib-go/v3/pkg/log" |
| 31 | //ic "github.com/opencord/voltha-protos/v3/go/inter_container" |
| 32 | //"github.com/opencord/voltha-protos/v3/go/openflow_13" |
| 33 | //"github.com/opencord/voltha-protos/v3/go/voltha" |
| 34 | ) |
| 35 | |
| 36 | type OnuDeviceEvent int |
| 37 | |
| 38 | const ( |
| 39 | // Events of interest to Device Adapters and OpenOMCI State Machines |
| 40 | DeviceStatusInit OnuDeviceEvent = 0 // OnuDeviceEntry default start state |
| 41 | MibDatabaseSync OnuDeviceEvent = 1 // MIB database sync (upload done) |
| 42 | OmciCapabilitiesDone OnuDeviceEvent = 2 // OMCI ME and message type capabilities known |
| 43 | PortLinkUp OnuDeviceEvent = 3 // Port link state change |
| 44 | PortLinkDw OnuDeviceEvent = 4 // Port link state change |
| 45 | // Add other events here as needed (alarms separate???) |
| 46 | ) |
| 47 | |
| 48 | type activityDescr struct { |
| 49 | databaseClass func() error |
| 50 | advertiseEvents bool |
| 51 | auditDelay int |
| 52 | //tasks map[string]func() error |
| 53 | } |
| 54 | type OmciDeviceFsms map[string]activityDescr |
| 55 | |
| 56 | //OntDeviceEntry structure holds information about the attached FSM'as and their communication |
| 57 | type OnuDeviceEntry struct { |
| 58 | deviceID string |
| 59 | baseDeviceHandler *DeviceHandler |
| 60 | coreProxy adapterif.CoreProxy |
| 61 | adapterProxy adapterif.AdapterProxy |
| 62 | started bool |
| 63 | PDevOmciCC *OmciCC |
| 64 | //lockDeviceEntries sync.RWMutex |
| 65 | mibDbClass func() error |
| 66 | supportedFsms OmciDeviceFsms |
| 67 | MibSyncFsm *fsm.FSM |
| 68 | MibSyncChan chan Message |
| 69 | devState OnuDeviceEvent |
| 70 | } |
| 71 | |
| 72 | //OnuDeviceEntry returns a new instance of a OnuDeviceEntry |
| 73 | //mib_db (as well as not inluded alarm_db not really used in this code? VERIFY!!) |
| 74 | func NewOnuDeviceEntry(ctx context.Context, |
| 75 | device_id string, device_Handler *DeviceHandler, |
| 76 | core_proxy adapterif.CoreProxy, adapter_proxy adapterif.AdapterProxy, |
| 77 | mib_db func() error, supported_Fsms_Ptr *OmciDeviceFsms) *OnuDeviceEntry { |
| 78 | log.Infow("init-onuDeviceEntry", log.Fields{"deviceId": device_id}) |
| 79 | var onuDeviceEntry OnuDeviceEntry |
| 80 | onuDeviceEntry.started = false |
| 81 | onuDeviceEntry.deviceID = device_id |
| 82 | onuDeviceEntry.baseDeviceHandler = device_Handler |
| 83 | onuDeviceEntry.coreProxy = core_proxy |
| 84 | onuDeviceEntry.adapterProxy = adapter_proxy |
| 85 | onuDeviceEntry.devState = DeviceStatusInit |
| 86 | //openomciagent.lockDeviceHandlersMap = sync.RWMutex{} |
| 87 | //OMCI related databases are on a per-agent basis. State machines and tasks |
| 88 | //are per ONU Vendor |
| 89 | // |
| 90 | // MIB Synchronization Database - possible overloading from arguments |
| 91 | if supported_Fsms_Ptr != nil { |
| 92 | onuDeviceEntry.supportedFsms = *supported_Fsms_Ptr |
| 93 | } else { |
| 94 | //var mibSyncFsm = NewMibSynchronizer() |
| 95 | onuDeviceEntry.supportedFsms = OmciDeviceFsms{ |
| 96 | "mib-synchronizer": { |
| 97 | //mibSyncFsm, // Implements the MIB synchronization state machine |
| 98 | onuDeviceEntry.MibDbVolatileDict, // Implements volatile ME MIB database |
| 99 | true, // Advertise events on OpenOMCI event bus |
| 100 | 60, // Time to wait between MIB audits. 0 to disable audits. |
| 101 | // map[string]func() error{ |
| 102 | // "mib-upload": onuDeviceEntry.MibUploadTask, |
| 103 | // "mib-template": onuDeviceEntry.MibTemplateTask, |
| 104 | // "get-mds": onuDeviceEntry.GetMdsTask, |
| 105 | // "mib-audit": onuDeviceEntry.GetMdsTask, |
| 106 | // "mib-resync": onuDeviceEntry.MibResyncTask, |
| 107 | // "mib-reconcile": onuDeviceEntry.MibReconcileTask, |
| 108 | // }, |
| 109 | }, |
| 110 | } |
| 111 | } |
| 112 | onuDeviceEntry.mibDbClass = onuDeviceEntry.supportedFsms["mib-synchronizer"].databaseClass |
| 113 | log.Debug("access2mibDbClass") |
| 114 | go onuDeviceEntry.mibDbClass() |
| 115 | |
| 116 | // Omci related Mib sync state machine |
| 117 | onuDeviceEntry.MibSyncFsm = fsm.NewFSM( |
| 118 | "disabled", |
| 119 | fsm.Events{ |
| 120 | |
| 121 | {Name: "start", Src: []string{"disabled"}, Dst: "starting"}, |
| 122 | |
| 123 | {Name: "load_mib_template", Src: []string{"starting"}, Dst: "loading_mib_template"}, |
| 124 | {Name: "upload_mib", Src: []string{"loading_mib_template"}, Dst: "uploading"}, |
| 125 | {Name: "examine_mds", Src: []string{"starting"}, Dst: "examining_mds"}, |
| 126 | |
| 127 | {Name: "success", Src: []string{"loading_mib_template"}, Dst: "in_sync"}, |
| 128 | {Name: "success", Src: []string{"uploading"}, Dst: "in_sync"}, |
| 129 | |
| 130 | {Name: "success", Src: []string{"examining_mds"}, Dst: "in_sync"}, |
| 131 | {Name: "mismatch", Src: []string{"examining_mds"}, Dst: "resynchronizing"}, |
| 132 | |
| 133 | {Name: "audit_mib", Src: []string{"in_sync"}, Dst: "auditing"}, |
| 134 | |
| 135 | {Name: "success", Src: []string{"out_of_sync"}, Dst: "in_sync"}, |
| 136 | {Name: "audit_mib", Src: []string{"out_of_sync"}, Dst: "auditing"}, |
| 137 | |
| 138 | {Name: "success", Src: []string{"auditing"}, Dst: "in_sync"}, |
| 139 | {Name: "mismatch", Src: []string{"auditing"}, Dst: "resynchronizing"}, |
| 140 | {Name: "force_resync", Src: []string{"auditing"}, Dst: "resynchronizing"}, |
| 141 | |
| 142 | {Name: "success", Src: []string{"resynchronizing"}, Dst: "in_sync"}, |
| 143 | {Name: "diffs_found", Src: []string{"resynchronizing"}, Dst: "out_of_sync"}, |
| 144 | |
| 145 | {Name: "timeout", Src: []string{"loading_mib_template", "uploading", "resynchronizing", "examining_mds", "in_sync", "out_of_sync", "auditing"}, Dst: "starting"}, |
| 146 | |
| 147 | {Name: "stop", Src: []string{"starting", "loading_mib_template", "uploading", "resynchronizing", "examining_mds", "in_sync", "out_of_sync", "auditing"}, Dst: "disabled"}, |
| 148 | }, |
| 149 | |
| 150 | fsm.Callbacks{ |
| 151 | "enter_state": func(e *fsm.Event) { onuDeviceEntry.logStateChange(e) }, |
| 152 | "enter_starting": func(e *fsm.Event) { onuDeviceEntry.enterStartingState(e) }, |
| 153 | "enter_loading_mib_template": func(e *fsm.Event) { onuDeviceEntry.enterLoadingMibTemplateState(e) }, |
| 154 | "enter_uploading": func(e *fsm.Event) { onuDeviceEntry.enterUploadingState(e) }, |
| 155 | "enter_examining_mds": func(e *fsm.Event) { onuDeviceEntry.enterExaminingMdsState(e) }, |
| 156 | "enter_resynchronizing": func(e *fsm.Event) { onuDeviceEntry.enterResynchronizingState(e) }, |
| 157 | "enter_auditing": func(e *fsm.Event) { onuDeviceEntry.enterAuditingState(e) }, |
| 158 | "enter_out_of_sync": func(e *fsm.Event) { onuDeviceEntry.enterOutOfSyncState(e) }, |
| 159 | "enter_in_sync": func(e *fsm.Event) { onuDeviceEntry.enterInSyncState(e) }, |
| 160 | }, |
| 161 | ) |
| 162 | |
| 163 | // Alarm Synchronization Database |
| 164 | //self._alarm_db = None |
| 165 | //self._alarm_database_cls = support_classes['alarm-synchronizer']['database'] |
| 166 | return &onuDeviceEntry |
| 167 | } |
| 168 | |
| 169 | //Start starts (logs) the omci agent |
| 170 | func (oo *OnuDeviceEntry) Start(ctx context.Context) error { |
| 171 | log.Info("starting-OnuDeviceEntry") |
| 172 | |
| 173 | oo.PDevOmciCC = NewOmciCC(ctx, oo, oo.deviceID, oo.baseDeviceHandler, |
| 174 | oo.coreProxy, oo.adapterProxy) |
| 175 | |
| 176 | //TODO ..... |
| 177 | //mib_db.start() |
| 178 | oo.started = true |
| 179 | log.Info("OnuDeviceEntry-started, but not yet mib_db!!!") |
| 180 | return nil |
| 181 | } |
| 182 | |
| 183 | //Stop terminates the session |
| 184 | func (oo *OnuDeviceEntry) Stop(ctx context.Context) error { |
| 185 | log.Info("stopping-OnuDeviceEntry") |
| 186 | oo.started = false |
| 187 | //oo.exitChannel <- 1 |
| 188 | log.Info("OnuDeviceEntry-stopped") |
| 189 | return nil |
| 190 | } |
| 191 | |
| 192 | //Relay the InSync message via Handler to Rw core - Status update |
| 193 | func (oo *OnuDeviceEntry) transferSystemEvent(dev_Event OnuDeviceEvent) error { |
| 194 | log.Debugw("relaying system-event", log.Fields{"Event": dev_Event}) |
| 195 | // decouple the handler transfer from further processing here |
| 196 | // TODO!!! check if really no synch is required within the system e.g. to ensure following steps .. |
| 197 | if dev_Event == MibDatabaseSync { |
| 198 | if oo.devState < MibDatabaseSync { //devState has not been synced yet |
| 199 | oo.devState = MibDatabaseSync |
| 200 | go oo.baseDeviceHandler.DeviceStateUpdate(dev_Event) |
| 201 | //TODO!!! device control: next step: start MIB capability verification from here ?!!! |
| 202 | } else { |
| 203 | log.Debugw("mib-in-sync-event in some already synced state - ignored", log.Fields{"state": oo.devState}) |
| 204 | } |
| 205 | } else { |
| 206 | log.Warnw("device-event not yet handled", log.Fields{"state": dev_Event}) |
| 207 | } |
| 208 | return nil |
| 209 | } |