khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-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 | package core |
| 17 | |
| 18 | import ( |
| 19 | "context" |
| 20 | "errors" |
| 21 | "github.com/opencord/voltha-go/common/log" |
| 22 | "github.com/opencord/voltha-go/db/model" |
| 23 | "github.com/opencord/voltha-go/kafka" |
William Kurkian | daa6bb2 | 2019-03-07 12:26:28 -0500 | [diff] [blame] | 24 | "github.com/opencord/voltha-protos/go/openflow_13" |
| 25 | "github.com/opencord/voltha-protos/go/voltha" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 26 | "google.golang.org/grpc/codes" |
| 27 | "google.golang.org/grpc/status" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 28 | "strings" |
| 29 | "sync" |
| 30 | ) |
| 31 | |
| 32 | type LogicalDeviceManager struct { |
| 33 | logicalDeviceAgents map[string]*LogicalDeviceAgent |
Richard Jankowski | 199fd86 | 2019-03-18 14:49:51 -0400 | [diff] [blame] | 34 | core *Core |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 35 | deviceMgr *DeviceManager |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 36 | grpcNbiHdlr *APIHandler |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 37 | adapterProxy *AdapterProxy |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 38 | kafkaICProxy *kafka.InterContainerProxy |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 39 | clusterDataProxy *model.Proxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 40 | exitChannel chan int |
| 41 | lockLogicalDeviceAgentsMap sync.RWMutex |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 42 | defaultTimeout int64 |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 43 | } |
| 44 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 45 | func newLogicalDeviceManager(core *Core, deviceMgr *DeviceManager, kafkaICProxy *kafka.InterContainerProxy, cdProxy *model.Proxy, timeout int64) *LogicalDeviceManager { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 46 | var logicalDeviceMgr LogicalDeviceManager |
Richard Jankowski | 199fd86 | 2019-03-18 14:49:51 -0400 | [diff] [blame] | 47 | logicalDeviceMgr.core = core |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 48 | logicalDeviceMgr.exitChannel = make(chan int, 1) |
| 49 | logicalDeviceMgr.logicalDeviceAgents = make(map[string]*LogicalDeviceAgent) |
| 50 | logicalDeviceMgr.deviceMgr = deviceMgr |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 51 | logicalDeviceMgr.kafkaICProxy = kafkaICProxy |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 52 | logicalDeviceMgr.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 53 | logicalDeviceMgr.lockLogicalDeviceAgentsMap = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 54 | logicalDeviceMgr.defaultTimeout = timeout |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 55 | return &logicalDeviceMgr |
| 56 | } |
| 57 | |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 58 | func (ldMgr *LogicalDeviceManager) setGrpcNbiHandler(grpcNbiHandler *APIHandler) { |
| 59 | ldMgr.grpcNbiHdlr = grpcNbiHandler |
| 60 | } |
| 61 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 62 | func (ldMgr *LogicalDeviceManager) start(ctx context.Context) { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 63 | log.Info("starting-logical-device-manager") |
| 64 | log.Info("logical-device-manager-started") |
| 65 | } |
| 66 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 67 | func (ldMgr *LogicalDeviceManager) stop(ctx context.Context) { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 68 | log.Info("stopping-logical-device-manager") |
| 69 | ldMgr.exitChannel <- 1 |
| 70 | log.Info("logical-device-manager-stopped") |
| 71 | } |
| 72 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 73 | func sendAPIResponse(ctx context.Context, ch chan interface{}, result interface{}) { |
| 74 | if ctx.Err() == nil { |
| 75 | // Returned response only of the ctx has not been cancelled/timeout/etc |
| 76 | // Channel is automatically closed when a context is Done |
| 77 | ch <- result |
| 78 | log.Debugw("sendResponse", log.Fields{"result": result}) |
| 79 | } else { |
| 80 | // Should the transaction be reverted back? |
| 81 | log.Debugw("sendResponse-context-error", log.Fields{"context-error": ctx.Err()}) |
| 82 | } |
| 83 | } |
| 84 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 85 | func (ldMgr *LogicalDeviceManager) addLogicalDeviceAgentToMap(agent *LogicalDeviceAgent) { |
| 86 | ldMgr.lockLogicalDeviceAgentsMap.Lock() |
| 87 | defer ldMgr.lockLogicalDeviceAgentsMap.Unlock() |
| 88 | if _, exist := ldMgr.logicalDeviceAgents[agent.logicalDeviceId]; !exist { |
| 89 | ldMgr.logicalDeviceAgents[agent.logicalDeviceId] = agent |
| 90 | } |
| 91 | } |
| 92 | |
khenaidoo | 6d62c00 | 2019-05-15 21:57:03 -0400 | [diff] [blame] | 93 | func (ldMgr *LogicalDeviceManager) isLogicalDeviceInCache(logicalDeviceId string) bool { |
| 94 | ldMgr.lockLogicalDeviceAgentsMap.RLock() |
| 95 | defer ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
| 96 | _, inCache := ldMgr.logicalDeviceAgents[logicalDeviceId] |
| 97 | return inCache |
| 98 | } |
| 99 | |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 100 | // getLogicalDeviceAgent returns the logical device agent. If the device is not in memory then the device will |
| 101 | // be loaded from dB and a logical device agent created to managed it. |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 102 | func (ldMgr *LogicalDeviceManager) getLogicalDeviceAgent(logicalDeviceId string) *LogicalDeviceAgent { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 103 | ldMgr.lockLogicalDeviceAgentsMap.RLock() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 104 | if agent, ok := ldMgr.logicalDeviceAgents[logicalDeviceId]; ok { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 105 | ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 106 | return agent |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 107 | } else { |
| 108 | // Try to load into memory - loading will also create the logical device agent |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 109 | ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 110 | if err := ldMgr.load(logicalDeviceId); err == nil { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 111 | ldMgr.lockLogicalDeviceAgentsMap.RLock() |
| 112 | defer ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 113 | if agent, ok = ldMgr.logicalDeviceAgents[logicalDeviceId]; ok { |
| 114 | return agent |
| 115 | } |
| 116 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 117 | } |
| 118 | return nil |
| 119 | } |
| 120 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 121 | func (ldMgr *LogicalDeviceManager) deleteLogicalDeviceAgent(logicalDeviceId string) { |
| 122 | ldMgr.lockLogicalDeviceAgentsMap.Lock() |
| 123 | defer ldMgr.lockLogicalDeviceAgentsMap.Unlock() |
| 124 | delete(ldMgr.logicalDeviceAgents, logicalDeviceId) |
| 125 | } |
| 126 | |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 127 | // GetLogicalDevice provides a cloned most up to date logical device. If device is not in memory |
| 128 | // it will be fetched from the dB |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 129 | func (ldMgr *LogicalDeviceManager) getLogicalDevice(id string) (*voltha.LogicalDevice, error) { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 130 | log.Debugw("getlogicalDevice", log.Fields{"logicaldeviceid": id}) |
| 131 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 132 | return agent.GetLogicalDevice() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 133 | } |
| 134 | return nil, status.Errorf(codes.NotFound, "%s", id) |
| 135 | } |
| 136 | |
khenaidoo | 43aa6bd | 2019-05-29 13:35:13 -0400 | [diff] [blame] | 137 | func (ldMgr *LogicalDeviceManager) listManagedLogicalDevices() (*voltha.LogicalDevices, error) { |
| 138 | log.Debug("listManagedLogicalDevices") |
| 139 | result := &voltha.LogicalDevices{} |
| 140 | ldMgr.lockLogicalDeviceAgentsMap.RLock() |
| 141 | defer ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
| 142 | for _, agent := range ldMgr.logicalDeviceAgents { |
| 143 | if ld, _ := agent.GetLogicalDevice(); ld != nil { |
| 144 | result.Items = append(result.Items, ld) |
| 145 | } |
| 146 | } |
| 147 | return result, nil |
| 148 | } |
| 149 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 150 | func (ldMgr *LogicalDeviceManager) listLogicalDevices() (*voltha.LogicalDevices, error) { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 151 | log.Debug("ListAllLogicalDevices") |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 152 | result := &voltha.LogicalDevices{} |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 153 | if logicalDevices := ldMgr.clusterDataProxy.List("/logical_devices", 0, false, ""); logicalDevices != nil { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 154 | for _, logicalDevice := range logicalDevices.([]interface{}) { |
| 155 | if agent := ldMgr.getLogicalDeviceAgent(logicalDevice.(*voltha.LogicalDevice).Id); agent == nil { |
| 156 | agent = newLogicalDeviceAgent( |
| 157 | logicalDevice.(*voltha.LogicalDevice).Id, |
| 158 | logicalDevice.(*voltha.LogicalDevice).RootDeviceId, |
| 159 | ldMgr, |
| 160 | ldMgr.deviceMgr, |
| 161 | ldMgr.clusterDataProxy, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 162 | ldMgr.defaultTimeout, |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 163 | ) |
| 164 | ldMgr.addLogicalDeviceAgentToMap(agent) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 165 | go agent.start(nil, true) |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 166 | } |
| 167 | result.Items = append(result.Items, logicalDevice.(*voltha.LogicalDevice)) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 168 | } |
| 169 | } |
| 170 | return result, nil |
| 171 | } |
| 172 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 173 | func (ldMgr *LogicalDeviceManager) createLogicalDevice(ctx context.Context, device *voltha.Device) (*string, error) { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 174 | log.Debugw("creating-logical-device", log.Fields{"deviceId": device.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 175 | // Sanity check |
| 176 | if !device.Root { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 177 | return nil, errors.New("device-not-root") |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | // Create a logical device agent - the logical device Id is based on the mac address of the device |
| 181 | // For now use the serial number - it may contain any combination of alphabetic characters and numbers, |
| 182 | // with length varying from eight characters to a maximum of 14 characters. Mac Address is part of oneof |
| 183 | // in the Device model. May need to be moved out. |
| 184 | macAddress := device.MacAddress |
| 185 | id := strings.Replace(macAddress, ":", "", -1) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 186 | if id == "" { |
| 187 | log.Errorw("mac-address-not-set", log.Fields{"deviceId": device.Id}) |
| 188 | return nil, errors.New("mac-address-not-set") |
| 189 | } |
| 190 | log.Debugw("logical-device-id", log.Fields{"logicaldeviceId": id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 191 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 192 | agent := newLogicalDeviceAgent(id, device.Id, ldMgr, ldMgr.deviceMgr, ldMgr.clusterDataProxy, ldMgr.defaultTimeout) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 193 | ldMgr.addLogicalDeviceAgentToMap(agent) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 194 | go agent.start(ctx, false) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 195 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 196 | log.Debug("creating-logical-device-ends") |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 197 | return &id, nil |
| 198 | } |
| 199 | |
khenaidoo | 6d62c00 | 2019-05-15 21:57:03 -0400 | [diff] [blame] | 200 | // stopManagingLogicalDeviceWithDeviceId stops the management of the logical device. This implies removal of any |
| 201 | // reference of this logical device in cache. The device Id is passed as param because the logical device may already |
| 202 | // have been removed from the model. This function returns the logical device Id if found |
| 203 | func (ldMgr *LogicalDeviceManager) stopManagingLogicalDeviceWithDeviceId(id string) string { |
| 204 | log.Infow("stop-managing-logical-device", log.Fields{"deviceId": id}) |
| 205 | // Go over the list of logical device agents to find the one which has rootDeviceId as id |
| 206 | ldMgr.lockLogicalDeviceAgentsMap.RLock() |
| 207 | defer ldMgr.lockLogicalDeviceAgentsMap.RUnlock() |
| 208 | for ldId, ldAgent := range ldMgr.logicalDeviceAgents { |
| 209 | if ldAgent.rootDeviceId == id { |
| 210 | log.Infow("stopping-logical-device-agent", log.Fields{"lDeviceId": ldId}) |
| 211 | ldAgent.stop(nil) |
| 212 | delete(ldMgr.logicalDeviceAgents, ldId) |
| 213 | return ldId |
| 214 | } |
| 215 | } |
| 216 | return "" |
| 217 | } |
| 218 | |
| 219 | //getLogicalDeviceFromModel retrieves the logical device data from the model. |
| 220 | func (ldMgr *LogicalDeviceManager) getLogicalDeviceFromModel(lDeviceId string) (*voltha.LogicalDevice, error) { |
| 221 | |
| 222 | if logicalDevice := ldMgr.clusterDataProxy.Get("/logical_devices/"+lDeviceId, 0, false, ""); logicalDevice != nil { |
| 223 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 224 | return lDevice, nil |
| 225 | } |
| 226 | } |
| 227 | return nil, status.Error(codes.NotFound, lDeviceId) |
| 228 | } |
| 229 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 230 | // load loads a logical device manager in memory |
| 231 | func (ldMgr *LogicalDeviceManager) load(lDeviceId string) error { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 232 | log.Debugw("loading-logical-device", log.Fields{"lDeviceId": lDeviceId}) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 233 | // To prevent a race condition, let's hold the logical device agent map lock. This will prevent a loading and |
| 234 | // a create logical device callback from occurring at the same time. |
| 235 | ldMgr.lockLogicalDeviceAgentsMap.Lock() |
| 236 | defer ldMgr.lockLogicalDeviceAgentsMap.Unlock() |
| 237 | if ldAgent, _ := ldMgr.logicalDeviceAgents[lDeviceId]; ldAgent == nil { |
khenaidoo | 6d62c00 | 2019-05-15 21:57:03 -0400 | [diff] [blame] | 238 | // Proceed with the loading only if the logical device exist in the Model (could have been deleted) |
| 239 | if _, err := ldMgr.getLogicalDeviceFromModel(lDeviceId); err == nil { |
| 240 | // Create a temp logical device Agent and let it load from memory |
| 241 | agent := newLogicalDeviceAgent(lDeviceId, "", ldMgr, ldMgr.deviceMgr, ldMgr.clusterDataProxy, ldMgr.defaultTimeout) |
| 242 | if err := agent.start(nil, true); err != nil { |
| 243 | agent.stop(nil) |
| 244 | return err |
| 245 | } |
| 246 | ldMgr.logicalDeviceAgents[agent.logicalDeviceId] = agent |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 247 | } |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 248 | } |
| 249 | // TODO: load the child device |
| 250 | return nil |
| 251 | } |
| 252 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 253 | func (ldMgr *LogicalDeviceManager) deleteLogicalDevice(ctx context.Context, device *voltha.Device) error { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 254 | log.Debugw("deleting-logical-device", log.Fields{"deviceId": device.Id}) |
| 255 | // Sanity check |
| 256 | if !device.Root { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 257 | return errors.New("device-not-root") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 258 | } |
| 259 | logDeviceId := device.ParentId |
| 260 | if agent := ldMgr.getLogicalDeviceAgent(logDeviceId); agent != nil { |
| 261 | // Stop the logical device agent |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 262 | agent.stop(ctx) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 263 | //Remove the logical device agent from the Map |
| 264 | ldMgr.deleteLogicalDeviceAgent(logDeviceId) |
Richard Jankowski | 199fd86 | 2019-03-18 14:49:51 -0400 | [diff] [blame] | 265 | ldMgr.core.deviceOwnership.AbandonDevice(logDeviceId) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | log.Debug("deleting-logical-device-ends") |
| 269 | return nil |
| 270 | } |
| 271 | |
| 272 | func (ldMgr *LogicalDeviceManager) getLogicalDeviceId(device *voltha.Device) (*string, error) { |
| 273 | // Device can either be a parent or a child device |
| 274 | if device.Root { |
| 275 | // Parent device. The ID of a parent device is the logical device ID |
| 276 | return &device.ParentId, nil |
| 277 | } |
| 278 | // Device is child device |
| 279 | // retrieve parent device using child device ID |
| 280 | if parentDevice := ldMgr.deviceMgr.getParentDevice(device); parentDevice != nil { |
| 281 | return &parentDevice.ParentId, nil |
| 282 | } |
| 283 | return nil, status.Errorf(codes.NotFound, "%s", device.Id) |
| 284 | } |
| 285 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 286 | func (ldMgr *LogicalDeviceManager) getLogicalDeviceIdFromDeviceId(deviceId string) (*string, error) { |
| 287 | // Get the device |
| 288 | var device *voltha.Device |
| 289 | var err error |
| 290 | if device, err = ldMgr.deviceMgr.GetDevice(deviceId); err != nil { |
| 291 | return nil, err |
| 292 | } |
| 293 | return ldMgr.getLogicalDeviceId(device) |
| 294 | } |
| 295 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 296 | func (ldMgr *LogicalDeviceManager) getLogicalPortId(device *voltha.Device) (*voltha.LogicalPortId, error) { |
| 297 | // Get the logical device where this device is attached |
| 298 | var lDeviceId *string |
| 299 | var err error |
| 300 | if lDeviceId, err = ldMgr.getLogicalDeviceId(device); err != nil { |
| 301 | return nil, err |
| 302 | } |
| 303 | var lDevice *voltha.LogicalDevice |
| 304 | if lDevice, err = ldMgr.getLogicalDevice(*lDeviceId); err != nil { |
| 305 | return nil, err |
| 306 | } |
| 307 | // Go over list of ports |
| 308 | for _, port := range lDevice.Ports { |
| 309 | if port.DeviceId == device.Id { |
| 310 | return &voltha.LogicalPortId{Id: *lDeviceId, PortId: port.Id}, nil |
| 311 | } |
| 312 | } |
| 313 | return nil, status.Errorf(codes.NotFound, "%s", device.Id) |
| 314 | } |
| 315 | |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 316 | func (ldMgr *LogicalDeviceManager) ListLogicalDeviceFlows(ctx context.Context, id string) (*openflow_13.Flows, error) { |
| 317 | log.Debugw("ListLogicalDeviceFlows", log.Fields{"logicaldeviceid": id}) |
| 318 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
| 319 | return agent.ListLogicalDeviceFlows() |
| 320 | } |
| 321 | return nil, status.Errorf(codes.NotFound, "%s", id) |
| 322 | } |
| 323 | |
| 324 | func (ldMgr *LogicalDeviceManager) ListLogicalDeviceFlowGroups(ctx context.Context, id string) (*openflow_13.FlowGroups, error) { |
| 325 | log.Debugw("ListLogicalDeviceFlowGroups", log.Fields{"logicaldeviceid": id}) |
| 326 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
| 327 | return agent.ListLogicalDeviceFlowGroups() |
| 328 | } |
| 329 | return nil, status.Errorf(codes.NotFound, "%s", id) |
| 330 | } |
| 331 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 332 | func (ldMgr *LogicalDeviceManager) ListLogicalDevicePorts(ctx context.Context, id string) (*voltha.LogicalPorts, error) { |
| 333 | log.Debugw("ListLogicalDevicePorts", log.Fields{"logicaldeviceid": id}) |
| 334 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
| 335 | return agent.ListLogicalDevicePorts() |
| 336 | } |
| 337 | return nil, status.Errorf(codes.NotFound, "%s", id) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | func (ldMgr *LogicalDeviceManager) getLogicalPort(lPortId *voltha.LogicalPortId) (*voltha.LogicalPort, error) { |
| 341 | // Get the logical device where this device is attached |
| 342 | var err error |
| 343 | var lDevice *voltha.LogicalDevice |
| 344 | if lDevice, err = ldMgr.getLogicalDevice(lPortId.Id); err != nil { |
| 345 | return nil, err |
| 346 | } |
| 347 | // Go over list of ports |
| 348 | for _, port := range lDevice.Ports { |
| 349 | if port.Id == lPortId.PortId { |
| 350 | return port, nil |
| 351 | } |
| 352 | } |
Kent Hagerman | 0ab4cb2 | 2019-04-24 13:13:35 -0400 | [diff] [blame] | 353 | return nil, status.Errorf(codes.NotFound, "%s-%s", lPortId.Id, lPortId.PortId) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 354 | } |
| 355 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 356 | // updateLogicalPort sets up a logical port on the logical device based on the device port |
| 357 | // information, if needed |
| 358 | func (ldMgr *LogicalDeviceManager) updateLogicalPort(device *voltha.Device, port *voltha.Port) error { |
| 359 | if ldID, err := ldMgr.getLogicalDeviceId(device); err != nil || *ldID == "" { |
| 360 | // This is not an error as the logical device may not have been created at this time. In such a case, |
| 361 | // the ports will be created when the logical device is ready. |
| 362 | return nil |
| 363 | } else { |
| 364 | if agent := ldMgr.getLogicalDeviceAgent(*ldID); agent != nil { |
| 365 | if err := agent.updateLogicalPort(device, port); err != nil { |
| 366 | return err |
| 367 | } |
| 368 | } |
| 369 | } |
| 370 | return nil |
| 371 | } |
| 372 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 373 | // addLogicalPort sets up a logical port on the logical device based on the device port |
| 374 | // information. |
| 375 | func (ldMgr *LogicalDeviceManager) addLogicalPort(device *voltha.Device, port *voltha.Port) error { |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 376 | if ldID, err := ldMgr.getLogicalDeviceId(device); err != nil || *ldID == "" { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 377 | // This is not an error as the logical device may not have been created at this time. In such a case, |
| 378 | // the ports will be created when the logical device is ready. |
| 379 | return nil |
| 380 | } else { |
| 381 | if agent := ldMgr.getLogicalDeviceAgent(*ldID); agent != nil { |
| 382 | if err := agent.addLogicalPort(device, port); err != nil { |
| 383 | return err |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | return nil |
| 388 | } |
| 389 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 390 | // deleteLogicalPort removes the logical port associated with a device |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 391 | func (ldMgr *LogicalDeviceManager) deleteLogicalPort(ctx context.Context, lPortId *voltha.LogicalPortId) error { |
| 392 | log.Debugw("deleting-logical-port", log.Fields{"LDeviceId": lPortId.Id}) |
| 393 | // Get logical port |
| 394 | var logicalPort *voltha.LogicalPort |
| 395 | var err error |
| 396 | if logicalPort, err = ldMgr.getLogicalPort(lPortId); err != nil { |
| 397 | log.Debugw("no-logical-device-port-present", log.Fields{"logicalPortId": lPortId.PortId}) |
| 398 | return err |
| 399 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 400 | // Sanity check |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 401 | if logicalPort.RootPort { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 402 | return errors.New("device-root") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 403 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 404 | if agent := ldMgr.getLogicalDeviceAgent(lPortId.Id); agent != nil { |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 405 | if err := agent.deleteLogicalPort(logicalPort); err != nil { |
| 406 | log.Warnw("deleting-logicalport-failed", log.Fields{"LDeviceId": lPortId.Id, "error": err}) |
| 407 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | log.Debug("deleting-logical-port-ends") |
| 411 | return nil |
| 412 | } |
| 413 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 414 | // deleteLogicalPort removes the logical port associated with a child device |
| 415 | func (ldMgr *LogicalDeviceManager) deleteLogicalPorts(deviceId string) error { |
| 416 | log.Debugw("deleting-logical-ports", log.Fields{"deviceId": deviceId}) |
| 417 | // Get logical port |
| 418 | if ldId, err := ldMgr.getLogicalDeviceIdFromDeviceId(deviceId); err != nil { |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 419 | return err |
| 420 | } else { |
| 421 | if agent := ldMgr.getLogicalDeviceAgent(*ldId); agent != nil { |
| 422 | if err = agent.deleteLogicalPorts(deviceId); err != nil { |
| 423 | log.Warnw("deleteLogicalPorts-failed", log.Fields{"ldeviceId": *ldId}) |
| 424 | return err |
| 425 | } |
| 426 | } |
| 427 | } |
| 428 | log.Debug("deleting-logical-port-ends") |
| 429 | return nil |
| 430 | } |
| 431 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 432 | func (ldMgr *LogicalDeviceManager) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
| 433 | log.Debugw("setupUNILogicalPorts", log.Fields{"childDeviceId": childDevice.Id, "parentDeviceId": childDevice.ParentId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 434 | // Sanity check |
| 435 | if childDevice.Root { |
| 436 | return errors.New("Device-root") |
| 437 | } |
| 438 | |
| 439 | // Get the logical device id parent device |
| 440 | parentId := childDevice.ParentId |
| 441 | logDeviceId := ldMgr.deviceMgr.GetParentDeviceId(parentId) |
| 442 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 443 | log.Debugw("setupUNILogicalPorts", log.Fields{"logDeviceId": logDeviceId, "parentId": parentId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 444 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 445 | if parentId == "" || logDeviceId == nil || *logDeviceId == "" { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 446 | return errors.New("device-in-invalid-state") |
khenaidoo | 5e677ae | 2019-02-28 17:26:29 -0500 | [diff] [blame] | 447 | } |
| 448 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 449 | if agent := ldMgr.getLogicalDeviceAgent(*logDeviceId); agent != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 450 | if err := agent.setupUNILogicalPorts(ctx, childDevice); err != nil { |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 451 | return err |
| 452 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 453 | } |
khenaidoo | 21d5115 | 2019-02-01 13:48:37 -0500 | [diff] [blame] | 454 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 455 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 456 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 457 | func (ldMgr *LogicalDeviceManager) deleteAllLogicalPorts(device *voltha.Device) error { |
| 458 | log.Debugw("deleteAllLogicalPorts", log.Fields{"deviceId": device.Id}) |
| 459 | |
| 460 | var ldId *string |
| 461 | var err error |
| 462 | //Get the logical device Id for this device |
| 463 | if ldId, err = ldMgr.getLogicalDeviceId(device); err != nil { |
| 464 | log.Warnw("no-logical-device-found", log.Fields{"deviceId": device.Id, "error": err}) |
| 465 | return err |
| 466 | } |
| 467 | if agent := ldMgr.getLogicalDeviceAgent(*ldId); agent != nil { |
| 468 | if err := agent.deleteAllLogicalPorts(device); err != nil { |
| 469 | return err |
| 470 | } |
| 471 | } |
| 472 | return nil |
| 473 | } |
| 474 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 475 | func (ldMgr *LogicalDeviceManager) updatePortsState(device *voltha.Device, state voltha.AdminState_AdminState) error { |
| 476 | log.Debugw("updatePortsState", log.Fields{"deviceId": device.Id, "state": state}) |
| 477 | |
| 478 | var ldId *string |
| 479 | var err error |
| 480 | //Get the logical device Id for this device |
| 481 | if ldId, err = ldMgr.getLogicalDeviceId(device); err != nil { |
| 482 | log.Warnw("no-logical-device-found", log.Fields{"deviceId": device.Id, "error": err}) |
| 483 | return err |
| 484 | } |
| 485 | if agent := ldMgr.getLogicalDeviceAgent(*ldId); agent != nil { |
| 486 | if err := agent.updatePortsState(device, state); err != nil { |
| 487 | return err |
| 488 | } |
| 489 | } |
| 490 | return nil |
| 491 | } |
| 492 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 493 | func (ldMgr *LogicalDeviceManager) updateFlowTable(ctx context.Context, id string, flow *openflow_13.OfpFlowMod, ch chan interface{}) { |
| 494 | log.Debugw("updateFlowTable", log.Fields{"logicalDeviceId": id}) |
| 495 | var res interface{} |
| 496 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
| 497 | res = agent.updateFlowTable(ctx, flow) |
| 498 | log.Debugw("updateFlowTable-result", log.Fields{"result": res}) |
| 499 | } else { |
| 500 | res = status.Errorf(codes.NotFound, "%s", id) |
| 501 | } |
| 502 | sendAPIResponse(ctx, ch, res) |
| 503 | } |
| 504 | |
| 505 | func (ldMgr *LogicalDeviceManager) updateGroupTable(ctx context.Context, id string, groupMod *openflow_13.OfpGroupMod, ch chan interface{}) { |
| 506 | log.Debugw("updateGroupTable", log.Fields{"logicalDeviceId": id}) |
| 507 | var res interface{} |
| 508 | if agent := ldMgr.getLogicalDeviceAgent(id); agent != nil { |
| 509 | res = agent.updateGroupTable(ctx, groupMod) |
| 510 | log.Debugw("updateGroupTable-result", log.Fields{"result": res}) |
| 511 | } else { |
| 512 | res = status.Errorf(codes.NotFound, "%s", id) |
| 513 | } |
| 514 | sendAPIResponse(ctx, ch, res) |
| 515 | } |
| 516 | |
| 517 | func (ldMgr *LogicalDeviceManager) enableLogicalPort(ctx context.Context, id *voltha.LogicalPortId, ch chan interface{}) { |
| 518 | log.Debugw("enableLogicalPort", log.Fields{"logicalDeviceId": id}) |
| 519 | var res interface{} |
| 520 | // Get logical port |
| 521 | var logicalPort *voltha.LogicalPort |
| 522 | var err error |
| 523 | if logicalPort, err = ldMgr.getLogicalPort(id); err != nil { |
| 524 | log.Debugw("no-logical-device-port-present", log.Fields{"logicalPortId": id.PortId}) |
| 525 | res = err |
| 526 | } |
| 527 | if agent := ldMgr.getLogicalDeviceAgent(id.Id); agent != nil { |
| 528 | res = agent.enableLogicalPort(logicalPort) |
| 529 | log.Debugw("enableLogicalPort-result", log.Fields{"result": res}) |
| 530 | } else { |
| 531 | res = status.Errorf(codes.NotFound, "%s", id.Id) |
| 532 | } |
| 533 | sendAPIResponse(ctx, ch, res) |
| 534 | } |
| 535 | |
| 536 | func (ldMgr *LogicalDeviceManager) disableLogicalPort(ctx context.Context, id *voltha.LogicalPortId, ch chan interface{}) { |
| 537 | log.Debugw("disableLogicalPort", log.Fields{"logicalDeviceId": id}) |
| 538 | var res interface{} |
| 539 | // Get logical port |
| 540 | var logicalPort *voltha.LogicalPort |
| 541 | var err error |
| 542 | if logicalPort, err = ldMgr.getLogicalPort(id); err != nil { |
| 543 | log.Debugw("no-logical-device-port-present", log.Fields{"logicalPortId": id.PortId}) |
| 544 | res = err |
| 545 | } |
| 546 | if agent := ldMgr.getLogicalDeviceAgent(id.Id); agent != nil { |
| 547 | res = agent.disableLogicalPort(logicalPort) |
| 548 | log.Debugw("disableLogicalPort-result", log.Fields{"result": res}) |
| 549 | } else { |
| 550 | res = status.Errorf(codes.NotFound, "%s", id.Id) |
| 551 | } |
| 552 | sendAPIResponse(ctx, ch, res) |
| 553 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 554 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 555 | func (ldMgr *LogicalDeviceManager) packetOut(packetOut *openflow_13.PacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 556 | log.Debugw("packetOut", log.Fields{"logicalDeviceId": packetOut.Id}) |
| 557 | if agent := ldMgr.getLogicalDeviceAgent(packetOut.Id); agent != nil { |
| 558 | agent.packetOut(packetOut.PacketOut) |
| 559 | } else { |
| 560 | log.Error("logical-device-not-exist", log.Fields{"logicalDeviceId": packetOut.Id}) |
| 561 | } |
| 562 | } |
| 563 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 564 | func (ldMgr *LogicalDeviceManager) packetIn(logicalDeviceId string, port uint32, transactionId string, packet []byte) error { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 565 | log.Debugw("packetIn", log.Fields{"logicalDeviceId": logicalDeviceId, "port": port}) |
| 566 | if agent := ldMgr.getLogicalDeviceAgent(logicalDeviceId); agent != nil { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 567 | agent.packetIn(port, transactionId, packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 568 | } else { |
| 569 | log.Error("logical-device-not-exist", log.Fields{"logicalDeviceId": logicalDeviceId}) |
| 570 | } |
| 571 | return nil |
| 572 | } |