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" |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 20 | "errors" |
| 21 | "fmt" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 22 | "github.com/gogo/protobuf/proto" |
| 23 | "github.com/opencord/voltha-go/common/log" |
| 24 | "github.com/opencord/voltha-go/db/model" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 25 | fd "github.com/opencord/voltha-go/rw_core/flow_decomposition" |
| 26 | "github.com/opencord/voltha-go/rw_core/graph" |
| 27 | fu "github.com/opencord/voltha-go/rw_core/utils" |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 28 | ic "github.com/opencord/voltha-protos/go/inter_container" |
| 29 | ofp "github.com/opencord/voltha-protos/go/openflow_13" |
| 30 | "github.com/opencord/voltha-protos/go/voltha" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 31 | "google.golang.org/grpc/codes" |
| 32 | "google.golang.org/grpc/status" |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 33 | "reflect" |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 34 | "sync" |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 35 | "time" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 36 | ) |
| 37 | |
| 38 | type LogicalDeviceAgent struct { |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 39 | logicalDeviceId string |
| 40 | rootDeviceId string |
| 41 | deviceMgr *DeviceManager |
| 42 | ldeviceMgr *LogicalDeviceManager |
| 43 | clusterDataProxy *model.Proxy |
| 44 | exitChannel chan int |
| 45 | deviceGraph *graph.DeviceGraph |
| 46 | flowProxy *model.Proxy |
| 47 | groupProxy *model.Proxy |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 48 | meterProxy *model.Proxy |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 49 | ldProxy *model.Proxy |
| 50 | portProxies map[string]*model.Proxy |
| 51 | portProxiesLock sync.RWMutex |
| 52 | lockLogicalDevice sync.RWMutex |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 53 | lockDeviceGraph sync.RWMutex |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 54 | logicalPortsNo map[uint32]bool //value is true for NNI port |
| 55 | lockLogicalPortsNo sync.RWMutex |
| 56 | flowDecomposer *fd.FlowDecomposer |
| 57 | defaultTimeout int64 |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 58 | } |
| 59 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 60 | func newLogicalDeviceAgent(id string, deviceId string, ldeviceMgr *LogicalDeviceManager, |
| 61 | deviceMgr *DeviceManager, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 62 | cdProxy *model.Proxy, timeout int64) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 63 | var agent LogicalDeviceAgent |
| 64 | agent.exitChannel = make(chan int, 1) |
| 65 | agent.logicalDeviceId = id |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 66 | agent.rootDeviceId = deviceId |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 67 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 68 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 69 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 70 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 71 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 72 | agent.portProxies = make(map[string]*model.Proxy) |
| 73 | agent.portProxiesLock = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 74 | agent.lockLogicalPortsNo = sync.RWMutex{} |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 75 | agent.lockDeviceGraph = sync.RWMutex{} |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 76 | agent.logicalPortsNo = make(map[uint32]bool) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 77 | agent.defaultTimeout = timeout |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 78 | return &agent |
| 79 | } |
| 80 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 81 | // start creates the logical device and add it to the data model |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 82 | func (agent *LogicalDeviceAgent) start(ctx context.Context, loadFromdB bool) error { |
| 83 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceId, "loadFromdB": loadFromdB}) |
| 84 | var ld *voltha.LogicalDevice |
| 85 | if !loadFromdB { |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 86 | //Build the logical device based on information retrieved from the device adapter |
| 87 | var switchCap *ic.SwitchCapability |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 88 | var err error |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 89 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceId); err != nil { |
| 90 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 91 | return err |
| 92 | } |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 93 | ld = &voltha.LogicalDevice{Id: agent.logicalDeviceId, RootDeviceId: agent.rootDeviceId} |
| 94 | |
| 95 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 96 | var datapathID uint64 |
| 97 | if datapathID, err = CreateDataPathId(agent.logicalDeviceId); err != nil { |
| 98 | log.Errorw("error-creating-datapath-id", log.Fields{"error": err}) |
| 99 | return err |
| 100 | } |
| 101 | ld.DatapathId = datapathID |
khenaidoo | 7e3d8f1 | 2019-08-02 16:06:30 -0400 | [diff] [blame] | 102 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
| 103 | log.Debugw("Switch-capability", log.Fields{"Desc": ld.Desc, "fromAd": switchCap.Desc}) |
| 104 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 105 | ld.Flows = &ofp.Flows{Items: nil} |
| 106 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
| 107 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 108 | agent.lockLogicalDevice.Lock() |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 109 | // Save the logical device |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 110 | if added := agent.clusterDataProxy.AddWithID(ctx, "/logical_devices", ld.Id, ld, ""); added == nil { |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 111 | log.Errorw("failed-to-add-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 112 | } else { |
| 113 | log.Debugw("logicaldevice-created", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 114 | } |
| 115 | agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 116 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 117 | // TODO: Set the logical ports in a separate call once the port update issue is fixed. |
| 118 | go agent.setupLogicalPorts(ctx) |
| 119 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 120 | } else { |
| 121 | // load from dB - the logical may not exist at this time. On error, just return and the calling function |
| 122 | // will destroy this agent. |
| 123 | var err error |
| 124 | if ld, err = agent.GetLogicalDevice(); err != nil { |
| 125 | log.Warnw("failed-to-load-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 126 | return err |
| 127 | } |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 128 | |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 129 | // Update the root device Id |
| 130 | agent.rootDeviceId = ld.RootDeviceId |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 131 | |
| 132 | // Setup the local list of logical ports |
| 133 | agent.addLogicalPortsToMap(ld.Ports) |
| 134 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 135 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 136 | agent.lockLogicalDevice.Lock() |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 137 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 138 | |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 139 | agent.flowProxy = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 140 | ctx, |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 141 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceId), |
| 142 | false) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 143 | agent.meterProxy = agent.clusterDataProxy.CreateProxy( |
| 144 | ctx, |
| 145 | fmt.Sprintf("/logical_devices/%s/meters", agent.logicalDeviceId), |
| 146 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 147 | agent.groupProxy = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 148 | ctx, |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 149 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceId), |
| 150 | false) |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 151 | agent.ldProxy = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 152 | ctx, |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 153 | fmt.Sprintf("/logical_devices/%s", agent.logicalDeviceId), |
| 154 | false) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 155 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 156 | // TODO: Use a port proxy once the POST_ADD is fixed |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 157 | if agent.ldProxy != nil { |
| 158 | agent.ldProxy.RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 159 | } else { |
| 160 | log.Errorw("logical-device-proxy-null", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 161 | return status.Error(codes.Internal, "logical-device-proxy-null") |
| 162 | } |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 163 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 164 | // Setup the device graph - run it in its own routine |
| 165 | if loadFromdB { |
| 166 | go agent.generateDeviceGraph() |
| 167 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 168 | return nil |
| 169 | } |
| 170 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 171 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
| 172 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) { |
| 173 | log.Info("stopping-logical_device-agent") |
| 174 | agent.lockLogicalDevice.Lock() |
| 175 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 8c3303d | 2019-02-13 14:59:39 -0500 | [diff] [blame] | 176 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 177 | //Remove the logical device from the model |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 178 | if removed := agent.clusterDataProxy.Remove(ctx, "/logical_devices/"+agent.logicalDeviceId, ""); removed == nil { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 179 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 180 | } else { |
| 181 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 182 | } |
| 183 | agent.exitChannel <- 1 |
| 184 | log.Info("logical_device-agent-stopped") |
| 185 | } |
| 186 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 187 | // GetLogicalDevice locks the logical device model and then retrieves the latest logical device information |
| 188 | func (agent *LogicalDeviceAgent) GetLogicalDevice() (*voltha.LogicalDevice, error) { |
| 189 | log.Debug("GetLogicalDevice") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 190 | agent.lockLogicalDevice.RLock() |
| 191 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 192 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 193 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 194 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 195 | } |
| 196 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 197 | } |
| 198 | |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 199 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlows() (*ofp.Flows, error) { |
| 200 | log.Debug("ListLogicalDeviceFlows") |
| 201 | agent.lockLogicalDevice.RLock() |
| 202 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 203 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 204 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 205 | cFlows := (proto.Clone(lDevice.Flows)).(*ofp.Flows) |
| 206 | return cFlows, nil |
| 207 | } |
| 208 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 209 | } |
| 210 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 211 | func (agent *LogicalDeviceAgent) ListLogicalDeviceMeters() (*ofp.Meters, error) { |
| 212 | log.Debug("ListLogicalDeviceMeters") |
| 213 | agent.lockLogicalDevice.RLock() |
| 214 | defer agent.lockLogicalDevice.RUnlock() |
| 215 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
| 216 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 217 | cMeters := (proto.Clone(lDevice.Meters)).(*ofp.Meters) |
| 218 | return cMeters, nil |
| 219 | } |
| 220 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 221 | } |
| 222 | |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 223 | func (agent *LogicalDeviceAgent) ListLogicalDeviceFlowGroups() (*ofp.FlowGroups, error) { |
| 224 | log.Debug("ListLogicalDeviceFlowGroups") |
| 225 | agent.lockLogicalDevice.RLock() |
| 226 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 227 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | dd23717 | 2019-05-27 16:37:17 -0400 | [diff] [blame] | 228 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 229 | cFlowGroups := (proto.Clone(lDevice.FlowGroups)).(*ofp.FlowGroups) |
| 230 | return cFlowGroups, nil |
| 231 | } |
| 232 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 233 | } |
| 234 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 235 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() (*voltha.LogicalPorts, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 236 | log.Debug("ListLogicalDevicePorts") |
| 237 | agent.lockLogicalDevice.RLock() |
| 238 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 239 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 240 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 241 | lPorts := make([]*voltha.LogicalPort, 0) |
| 242 | for _, port := range lDevice.Ports { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 243 | lPorts = append(lPorts, port) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 244 | } |
| 245 | return &voltha.LogicalPorts{Items: lPorts}, nil |
| 246 | } |
| 247 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 248 | } |
| 249 | |
| 250 | // listFlows locks the logical device model and then retrieves the latest flow information |
| 251 | func (agent *LogicalDeviceAgent) listFlows() []*ofp.OfpFlowStats { |
| 252 | log.Debug("listFlows") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 253 | agent.lockLogicalDevice.RLock() |
| 254 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 255 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 256 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 257 | return lDevice.Flows.Items |
| 258 | } |
| 259 | return nil |
| 260 | } |
| 261 | |
| 262 | // listFlowGroups locks the logical device model and then retrieves the latest flow groups information |
| 263 | func (agent *LogicalDeviceAgent) listFlowGroups() []*ofp.OfpGroupEntry { |
| 264 | log.Debug("listFlowGroups") |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 265 | agent.lockLogicalDevice.RLock() |
| 266 | defer agent.lockLogicalDevice.RUnlock() |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 267 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 268 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 269 | return lDevice.FlowGroups.Items |
| 270 | } |
| 271 | return nil |
| 272 | } |
| 273 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 274 | //updateLogicalDeviceFlowsWithoutLock updates the logical device with the latest flows in the model. |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 275 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 276 | ld, err := agent.getLogicalDeviceWithoutLock() |
| 277 | if err != nil { |
| 278 | return status.Errorf(codes.Internal, "logical-device-absent:%s", agent.logicalDeviceId) |
| 279 | } |
| 280 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 281 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 282 | cloned.Flows = flows |
| 283 | |
| 284 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 285 | log.Errorw("error-updating-logical-device-with-flows", log.Fields{"error": err}) |
| 286 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 287 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 288 | return nil |
| 289 | } |
| 290 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 291 | //updateLogicalDeviceMetersWithoutLock updates the logical device with the meters info |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 292 | func (agent *LogicalDeviceAgent) updateLogicalDeviceMetersWithoutLock(meters *ofp.Meters) error { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 293 | ld, err := agent.getLogicalDeviceWithoutLock() |
| 294 | if err != nil { |
| 295 | return status.Errorf(codes.Internal, "logical-device-absent:%s", agent.logicalDeviceId) |
| 296 | } |
| 297 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 298 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 299 | cloned.Meters = meters |
| 300 | |
| 301 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 302 | log.Errorw("error-updating-logical-device-with-meters", log.Fields{"error": err}) |
| 303 | return err |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 304 | } |
| 305 | return nil |
| 306 | } |
| 307 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 308 | //updateLogicalDeviceFlowGroupsWithoutLock updates the logical device with the flow groups |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 309 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 310 | ld, err := agent.getLogicalDeviceWithoutLock() |
| 311 | if err != nil { |
| 312 | return status.Errorf(codes.Internal, "logical-device-absent:%s", agent.logicalDeviceId) |
| 313 | } |
| 314 | log.Debugw("logical-device-before", log.Fields{"lports": len(ld.Ports)}) |
| 315 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 316 | cloned.FlowGroups = flowGroups |
| 317 | |
| 318 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 319 | log.Errorw("error-updating-logical-device-with-flowgroups", log.Fields{"error": err}) |
| 320 | return err |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 321 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 322 | return nil |
| 323 | } |
| 324 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 325 | // getLogicalDeviceWithoutLock retrieves a logical device from the model without locking it. This is used only by |
| 326 | // functions that have already acquired the logical device lock to the model |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 327 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() (*voltha.LogicalDevice, error) { |
| 328 | log.Debug("getLogicalDeviceWithoutLock") |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 329 | logicalDevice := agent.clusterDataProxy.Get(context.Background(), "/logical_devices/"+agent.logicalDeviceId, 0, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 330 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 331 | //log.Debug("getLogicalDeviceWithoutLock", log.Fields{"ldevice": lDevice}) |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 332 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 333 | } |
| 334 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 335 | } |
| 336 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 337 | func (agent *LogicalDeviceAgent) updateLogicalPort(device *voltha.Device, port *voltha.Port) error { |
| 338 | log.Debugw("updateLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
| 339 | var err error |
| 340 | if port.Type == voltha.Port_ETHERNET_NNI { |
| 341 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
| 342 | return err |
| 343 | } |
| 344 | agent.addLogicalPortToMap(port.PortNo, true) |
| 345 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 346 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
| 347 | return err |
| 348 | } |
| 349 | agent.addLogicalPortToMap(port.PortNo, false) |
| 350 | } else { |
| 351 | // Update the device graph to ensure all routes on the logical device have been calculated |
| 352 | if err = agent.updateRoutes(device, port); err != nil { |
| 353 | log.Errorw("failed-to-update-routes", log.Fields{"deviceId": device.Id, "port": port, "error": err}) |
| 354 | return err |
| 355 | } |
| 356 | } |
| 357 | return nil |
| 358 | } |
| 359 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 360 | func (agent *LogicalDeviceAgent) addLogicalPort(device *voltha.Device, port *voltha.Port) error { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 361 | log.Debugw("addLogicalPort", log.Fields{"deviceId": device.Id, "port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 362 | var err error |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 363 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 364 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 365 | return err |
| 366 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 367 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 368 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 369 | if _, err = agent.addUNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 370 | return err |
| 371 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 372 | agent.addLogicalPortToMap(port.PortNo, false) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 373 | } else { |
| 374 | log.Debugw("invalid-port-type", log.Fields{"deviceId": device.Id, "port": port}) |
| 375 | return nil |
| 376 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 377 | return nil |
| 378 | } |
| 379 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 380 | // setupLogicalPorts is invoked once the logical device has been created and is ready to get ports |
| 381 | // added to it. While the logical device was being created we could have received requests to add |
| 382 | // NNI and UNI ports which were discarded. Now is the time to add them if needed |
| 383 | func (agent *LogicalDeviceAgent) setupLogicalPorts(ctx context.Context) error { |
| 384 | log.Infow("setupLogicalPorts", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 385 | // First add any NNI ports which could have been missing |
| 386 | if err := agent.setupNNILogicalPorts(nil, agent.rootDeviceId); err != nil { |
| 387 | log.Errorw("error-setting-up-NNI-ports", log.Fields{"error": err, "deviceId": agent.rootDeviceId}) |
| 388 | return err |
| 389 | } |
| 390 | |
| 391 | // Now, set up the UNI ports if needed. |
| 392 | if children, err := agent.deviceMgr.getAllChildDevices(agent.rootDeviceId); err != nil { |
| 393 | log.Errorw("error-getting-child-devices", log.Fields{"error": err, "deviceId": agent.rootDeviceId}) |
| 394 | return err |
| 395 | } else { |
| 396 | chnlsList := make([]chan interface{}, 0) |
| 397 | for _, child := range children.Items { |
| 398 | ch := make(chan interface{}) |
| 399 | chnlsList = append(chnlsList, ch) |
| 400 | go func(device *voltha.Device, ch chan interface{}) { |
| 401 | if err = agent.setupUNILogicalPorts(nil, device); err != nil { |
| 402 | log.Error("setting-up-UNI-ports-failed", log.Fields{"deviceID": device.Id}) |
| 403 | ch <- status.Errorf(codes.Internal, "UNI-ports-setup-failed: %s", device.Id) |
| 404 | } |
| 405 | ch <- nil |
| 406 | }(child, ch) |
| 407 | } |
| 408 | // Wait for completion |
| 409 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 410 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 411 | } |
| 412 | } |
| 413 | return nil |
| 414 | } |
| 415 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 416 | // setupNNILogicalPorts creates an NNI port on the logical device that represents an NNI interface on a root device |
| 417 | func (agent *LogicalDeviceAgent) setupNNILogicalPorts(ctx context.Context, deviceId string) error { |
| 418 | log.Infow("setupNNILogicalPorts-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 419 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 420 | var err error |
| 421 | |
| 422 | var device *voltha.Device |
| 423 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 424 | log.Errorw("error-retrieving-device", log.Fields{"error": err, "deviceId": deviceId}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 425 | return err |
| 426 | } |
| 427 | |
| 428 | //Get UNI port number |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 429 | for _, port := range device.Ports { |
| 430 | if port.Type == voltha.Port_ETHERNET_NNI { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 431 | if _, err = agent.addNNILogicalPort(device, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 432 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 433 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 434 | agent.addLogicalPortToMap(port.PortNo, true) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 435 | } |
| 436 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 437 | return err |
| 438 | } |
| 439 | |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 440 | // updatePortsState updates the ports state related to the device |
| 441 | func (agent *LogicalDeviceAgent) updatePortsState(device *voltha.Device, state voltha.AdminState_AdminState) error { |
| 442 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 443 | agent.lockLogicalDevice.Lock() |
| 444 | defer agent.lockLogicalDevice.Unlock() |
| 445 | // Get the latest logical device info |
| 446 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 447 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 448 | return err |
| 449 | } else { |
| 450 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 451 | for _, lport := range cloned.Ports { |
| 452 | if lport.DeviceId == device.Id { |
| 453 | switch state { |
| 454 | case voltha.AdminState_ENABLED: |
| 455 | lport.OfpPort.Config = lport.OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 456 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LIVE) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 457 | case voltha.AdminState_DISABLED: |
| 458 | lport.OfpPort.Config = lport.OfpPort.Config | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 459 | lport.OfpPort.State = uint32(ofp.OfpPortState_OFPPS_LINK_DOWN) |
khenaidoo | 3ab3488 | 2019-05-02 21:33:30 -0400 | [diff] [blame] | 460 | default: |
| 461 | log.Warnw("unsupported-state-change", log.Fields{"deviceId": device.Id, "state": state}) |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 466 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 467 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 468 | return err |
| 469 | } |
| 470 | } |
| 471 | return nil |
| 472 | } |
| 473 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 474 | // setupUNILogicalPorts creates a UNI port on the logical device that represents a child UNI interface |
| 475 | func (agent *LogicalDeviceAgent) setupUNILogicalPorts(ctx context.Context, childDevice *voltha.Device) error { |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 476 | log.Infow("setupUNILogicalPort", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 477 | // Build the logical device based on information retrieved from the device adapter |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 478 | var err error |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 479 | var added bool |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 480 | //Get UNI port number |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 481 | for _, port := range childDevice.Ports { |
| 482 | if port.Type == voltha.Port_ETHERNET_UNI { |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 483 | if added, err = agent.addUNILogicalPort(childDevice, port); err != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 484 | log.Errorw("error-adding-UNI-port", log.Fields{"error": err}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 485 | } |
khenaidoo | 59ef7be | 2019-06-21 12:40:28 -0400 | [diff] [blame] | 486 | if added { |
| 487 | agent.addLogicalPortToMap(port.PortNo, false) |
| 488 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 489 | } |
| 490 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 491 | return err |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 492 | } |
| 493 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 494 | // deleteAllLogicalPorts deletes all logical ports associated with this device |
| 495 | func (agent *LogicalDeviceAgent) deleteAllLogicalPorts(device *voltha.Device) error { |
| 496 | log.Infow("updatePortsState-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 497 | agent.lockLogicalDevice.Lock() |
| 498 | defer agent.lockLogicalDevice.Unlock() |
| 499 | // Get the latest logical device info |
| 500 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 501 | log.Warnw("logical-device-unknown", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 502 | return err |
| 503 | } else { |
| 504 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 505 | updateLogicalPorts := []*voltha.LogicalPort{} |
| 506 | for _, lport := range cloned.Ports { |
| 507 | if lport.DeviceId != device.Id { |
| 508 | updateLogicalPorts = append(updateLogicalPorts, lport) |
| 509 | } |
| 510 | } |
| 511 | if len(updateLogicalPorts) < len(cloned.Ports) { |
| 512 | cloned.Ports = updateLogicalPorts |
| 513 | // Updating the logical device will trigger the poprt change events to be populated to the controller |
| 514 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 515 | log.Warnw("logical-device-update-failed", log.Fields{"ldeviceId": agent.logicalDeviceId, "error": err}) |
| 516 | return err |
| 517 | } |
| 518 | } else { |
| 519 | log.Debugw("no-change-required", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 520 | } |
| 521 | } |
| 522 | return nil |
| 523 | } |
| 524 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 525 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 526 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 527 | updateCtx := context.WithValue(context.Background(), model.RequestTimestamp, time.Now().UnixNano()) |
| 528 | afterUpdate := agent.clusterDataProxy.Update(updateCtx, "/logical_devices/"+agent.logicalDeviceId, logicalDevice, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 529 | if afterUpdate == nil { |
| 530 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 531 | } |
| 532 | return nil |
| 533 | } |
| 534 | |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 535 | //generateDeviceGraphIfNeeded generates the device graph if the logical device has been updated since the last time |
| 536 | //that device graph was generated. |
| 537 | func (agent *LogicalDeviceAgent) generateDeviceGraphIfNeeded() error { |
| 538 | if ld, err := agent.GetLogicalDevice(); err != nil { |
| 539 | log.Errorw("get-logical-device-error", log.Fields{"error": err}) |
| 540 | return err |
| 541 | } else { |
| 542 | agent.lockDeviceGraph.Lock() |
| 543 | defer agent.lockDeviceGraph.Unlock() |
| 544 | if agent.deviceGraph != nil && agent.deviceGraph.IsUpToDate(ld) { |
| 545 | return nil |
| 546 | } |
| 547 | log.Debug("Generation of device graph required") |
| 548 | agent.generateDeviceGraph() |
| 549 | } |
| 550 | return nil |
| 551 | } |
| 552 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 553 | //updateFlowTable updates the flow table of that logical device |
| 554 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 555 | log.Debug("updateFlowTable") |
| 556 | if flow == nil { |
| 557 | return nil |
| 558 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 559 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 560 | return err |
| 561 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 562 | switch flow.GetCommand() { |
| 563 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 564 | return agent.flowAdd(flow) |
| 565 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 566 | return agent.flowDelete(flow) |
| 567 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 568 | return agent.flowDeleteStrict(flow) |
| 569 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 570 | return agent.flowModify(flow) |
| 571 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 572 | return agent.flowModifyStrict(flow) |
| 573 | } |
| 574 | return status.Errorf(codes.Internal, |
| 575 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 576 | } |
| 577 | |
| 578 | //updateGroupTable updates the group table of that logical device |
| 579 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 580 | log.Debug("updateGroupTable") |
| 581 | if groupMod == nil { |
| 582 | return nil |
| 583 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 584 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 585 | return err |
| 586 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 587 | switch groupMod.GetCommand() { |
| 588 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 589 | return agent.groupAdd(groupMod) |
| 590 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 591 | return agent.groupDelete(groupMod) |
| 592 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 593 | return agent.groupModify(groupMod) |
| 594 | } |
| 595 | return status.Errorf(codes.Internal, |
| 596 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 597 | } |
| 598 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 599 | // updateMeterTable updates the meter table of that logical device |
| 600 | func (agent *LogicalDeviceAgent) updateMeterTable(ctx context.Context, meterMod *ofp.OfpMeterMod) error { |
| 601 | log.Debug("updateMeterTable") |
| 602 | if meterMod == nil { |
| 603 | return nil |
| 604 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 605 | if err := agent.generateDeviceGraphIfNeeded(); err != nil { |
| 606 | return err |
| 607 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 608 | switch meterMod.GetCommand() { |
| 609 | case ofp.OfpMeterModCommand_OFPMC_ADD: |
| 610 | return agent.meterAdd(meterMod) |
| 611 | case ofp.OfpMeterModCommand_OFPMC_DELETE: |
| 612 | return agent.meterDelete(meterMod) |
| 613 | case ofp.OfpMeterModCommand_OFPMC_MODIFY: |
| 614 | return agent.meterModify(meterMod) |
| 615 | } |
| 616 | return status.Errorf(codes.Internal, |
| 617 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, meterMod.GetCommand()) |
| 618 | |
| 619 | } |
| 620 | |
| 621 | func (agent *LogicalDeviceAgent) meterAdd(meterMod *ofp.OfpMeterMod) error { |
| 622 | log.Debugw("meterAdd", log.Fields{"metermod": *meterMod}) |
| 623 | if meterMod == nil { |
| 624 | return nil |
| 625 | } |
| 626 | log.Debug("Waiting for logical device lock!!") |
| 627 | agent.lockLogicalDevice.Lock() |
| 628 | defer agent.lockLogicalDevice.Unlock() |
| 629 | log.Debug("Acquired logical device lock") |
| 630 | var lDevice *voltha.LogicalDevice |
| 631 | var err error |
| 632 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 633 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 634 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 635 | } |
| 636 | |
| 637 | var meters []*ofp.OfpMeterEntry |
| 638 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 639 | meters = lDevice.Meters.Items |
| 640 | } |
| 641 | log.Debugw("Available meters", log.Fields{"meters": meters}) |
| 642 | |
| 643 | for _, meter := range meters { |
| 644 | if meterMod.MeterId == meter.Config.MeterId { |
| 645 | log.Infow("Meter-already-exists", log.Fields{"meter": *meterMod}) |
| 646 | return nil |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | meterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 651 | meters = append(meters, meterEntry) |
| 652 | //Update model |
| 653 | if err := agent.updateLogicalDeviceMetersWithoutLock(&ofp.Meters{Items: meters}); err != nil { |
| 654 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 655 | return err |
| 656 | } |
| 657 | log.Debugw("Meter-added-successfully", log.Fields{"Added-meter": meterEntry, "updated-meters": lDevice.Meters}) |
| 658 | return nil |
| 659 | } |
| 660 | |
| 661 | func (agent *LogicalDeviceAgent) meterDelete(meterMod *ofp.OfpMeterMod) error { |
| 662 | log.Debug("meterDelete", log.Fields{"meterMod": *meterMod}) |
| 663 | if meterMod == nil { |
| 664 | return nil |
| 665 | } |
| 666 | agent.lockLogicalDevice.Lock() |
| 667 | defer agent.lockLogicalDevice.Unlock() |
| 668 | |
| 669 | var lDevice *voltha.LogicalDevice |
| 670 | var err error |
| 671 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 672 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 673 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 674 | } |
| 675 | |
| 676 | var meters []*ofp.OfpMeterEntry |
| 677 | var flows []*ofp.OfpFlowStats |
| 678 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 679 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 680 | meters = lDevice.Meters.Items |
| 681 | } |
| 682 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 683 | flows = lDevice.Flows.Items |
| 684 | } |
| 685 | |
| 686 | changedMeter := false |
| 687 | changedFow := false |
| 688 | log.Debugw("Available meters", log.Fields{"meters": meters}) |
| 689 | for index, meter := range meters { |
| 690 | if meterMod.MeterId == meter.Config.MeterId { |
| 691 | flows = lDevice.Flows.Items |
| 692 | changedFow, updatedFlows = agent.getUpdatedFlowsAfterDeletebyMeterId(flows, meterMod.MeterId) |
| 693 | meters = append(meters[:index], meters[index+1:]...) |
| 694 | log.Debugw("Meter has been deleted", log.Fields{"meter": meter, "index": index}) |
| 695 | changedMeter = true |
| 696 | break |
| 697 | } |
| 698 | } |
| 699 | if changedMeter { |
| 700 | //Update model |
| 701 | metersToUpdate := &ofp.Meters{} |
| 702 | if lDevice.Meters != nil { |
| 703 | metersToUpdate = &ofp.Meters{Items: meters} |
| 704 | } |
| 705 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
| 706 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 707 | return err |
| 708 | } |
| 709 | log.Debug("Meter-deleted-from-DB-successfully", log.Fields{"updatedMeters": metersToUpdate, "no-of-meter": len(metersToUpdate.Items)}) |
| 710 | |
| 711 | } |
| 712 | if changedFow { |
| 713 | //Update model |
| 714 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: updatedFlows}); err != nil { |
| 715 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 716 | return err |
| 717 | } |
| 718 | log.Debug("Flows-associated-with-meter-deleted-from-DB-successfully", |
| 719 | log.Fields{"updated-no-of-flows": len(updatedFlows), "meter": meterMod.MeterId}) |
| 720 | } |
| 721 | log.Debugw("meterDelete success", log.Fields{"meterID": meterMod.MeterId}) |
| 722 | return nil |
| 723 | } |
| 724 | |
| 725 | func (agent *LogicalDeviceAgent) meterModify(meterMod *ofp.OfpMeterMod) error { |
| 726 | log.Debug("meterModify") |
| 727 | if meterMod == nil { |
| 728 | return nil |
| 729 | } |
| 730 | agent.lockLogicalDevice.Lock() |
| 731 | defer agent.lockLogicalDevice.Unlock() |
| 732 | |
| 733 | var lDevice *voltha.LogicalDevice |
| 734 | var err error |
| 735 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 736 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 737 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 738 | } |
| 739 | |
| 740 | var meters []*ofp.OfpMeterEntry |
| 741 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 742 | meters = lDevice.Meters.Items |
| 743 | } |
| 744 | changedMeter := false |
| 745 | for index, meter := range meters { |
| 746 | if meterMod.MeterId == meter.Config.MeterId { |
| 747 | newmeterEntry := fu.MeterEntryFromMeterMod(meterMod) |
| 748 | newmeterEntry.Stats.FlowCount = meter.Stats.FlowCount |
| 749 | meters[index] = newmeterEntry |
| 750 | changedMeter = true |
| 751 | log.Debugw("Found meter, replaced with new meter", log.Fields{"old meter": meter, "new meter": newmeterEntry}) |
| 752 | break |
| 753 | } |
| 754 | } |
| 755 | if changedMeter { |
| 756 | //Update model |
| 757 | metersToUpdate := &ofp.Meters{} |
| 758 | if lDevice.Meters != nil { |
| 759 | metersToUpdate = &ofp.Meters{Items: meters} |
| 760 | } |
| 761 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
| 762 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 763 | return err |
| 764 | } |
| 765 | log.Debugw("meter-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
| 766 | return nil |
| 767 | } |
| 768 | |
| 769 | log.Errorw("Meter not found ", log.Fields{"meter": meterMod}) |
| 770 | return errors.New(fmt.Sprintf("no-logical-device-present:%d", meterMod.MeterId)) |
| 771 | |
| 772 | } |
| 773 | |
| 774 | func (agent *LogicalDeviceAgent) getUpdatedFlowsAfterDeletebyMeterId(flows []*ofp.OfpFlowStats, meterId uint32) (bool, []*ofp.OfpFlowStats) { |
| 775 | log.Infow("Delete flows matching meter", log.Fields{"meter": meterId}) |
| 776 | changed := false |
| 777 | //updatedFlows := make([]*ofp.OfpFlowStats, 0) |
| 778 | for index := len(flows) - 1; index >= 0; index-- { |
| 779 | if mId := fu.GetMeterIdFromFlow(flows[index]); mId != 0 && mId == meterId { |
| 780 | log.Debugw("Flow to be deleted", log.Fields{"flow": flows[index], "index": index}) |
| 781 | flows = append(flows[:index], flows[index+1:]...) |
| 782 | changed = true |
| 783 | } |
| 784 | } |
| 785 | return changed, flows |
| 786 | } |
| 787 | |
| 788 | func (agent *LogicalDeviceAgent) updateFlowCountOfMeterStats(modCommand *ofp.OfpFlowMod, meters []*ofp.OfpMeterEntry, flow *ofp.OfpFlowStats) bool { |
| 789 | |
| 790 | flowCommand := modCommand.GetCommand() |
| 791 | meterId := fu.GetMeterIdFromFlow(flow) |
| 792 | log.Debugw("Meter-id-in-flow-mod", log.Fields{"meterId": meterId}) |
| 793 | if meterId == 0 { |
| 794 | log.Debugw("No meter present in the flow", log.Fields{"flow": *flow}) |
| 795 | return false |
| 796 | } |
| 797 | if meters == nil { |
| 798 | log.Debug("No meters present in logical device") |
| 799 | return false |
| 800 | } |
| 801 | changedMeter := false |
| 802 | for _, meter := range meters { |
| 803 | if meterId == meter.Config.MeterId { // Found meter in Logicaldevice |
| 804 | if flowCommand == ofp.OfpFlowModCommand_OFPFC_ADD { |
| 805 | meter.Stats.FlowCount += 1 |
| 806 | changedMeter = true |
| 807 | } else if flowCommand == ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT { |
| 808 | meter.Stats.FlowCount -= 1 |
| 809 | changedMeter = true |
| 810 | } |
| 811 | log.Debugw("Found meter, updated meter flow stats", log.Fields{" meterId": meterId}) |
| 812 | break |
| 813 | } |
| 814 | } |
| 815 | return changedMeter |
| 816 | } |
| 817 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 818 | //flowAdd adds a flow to the flow table of that logical device |
| 819 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 820 | log.Debugw("flowAdd", log.Fields{"flow": mod}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 821 | if mod == nil { |
| 822 | return nil |
| 823 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 824 | agent.lockLogicalDevice.Lock() |
| 825 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 826 | |
| 827 | var lDevice *voltha.LogicalDevice |
| 828 | var err error |
| 829 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 830 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 831 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 832 | } |
| 833 | |
| 834 | var flows []*ofp.OfpFlowStats |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 835 | var meters []*ofp.OfpMeterEntry |
| 836 | var flow *ofp.OfpFlowStats |
| 837 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 838 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 839 | flows = lDevice.Flows.Items |
| 840 | } |
| 841 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 842 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 843 | meters = lDevice.Meters.Items |
| 844 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 845 | updatedFlows := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 846 | changed := false |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 847 | updated := false |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 848 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 849 | if checkOverlap { |
| 850 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 851 | // TODO: should this error be notified other than being logged? |
| 852 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 853 | } else { |
| 854 | // Add flow |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 855 | flow = fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 856 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 857 | updatedFlows = append(updatedFlows, flow) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 858 | changed = true |
| 859 | } |
| 860 | } else { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 861 | flow = fu.FlowStatsEntryFromFlowModMessage(mod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 862 | idx := fu.FindFlows(flows, flow) |
| 863 | if idx >= 0 { |
| 864 | oldFlow := flows[idx] |
| 865 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 866 | flow.ByteCount = oldFlow.ByteCount |
| 867 | flow.PacketCount = oldFlow.PacketCount |
| 868 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 869 | if !reflect.DeepEqual(oldFlow, flow) { |
| 870 | flows[idx] = flow |
| 871 | updatedFlows = append(updatedFlows, flow) |
| 872 | changed = true |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 873 | updated = true |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 874 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 875 | } else { |
| 876 | flows = append(flows, flow) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 877 | updatedFlows = append(updatedFlows, flow) |
| 878 | changed = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 879 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 880 | } |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 881 | log.Debugw("flowAdd-changed", log.Fields{"changed": changed}) |
| 882 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 883 | if changed { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 884 | var flowMetadata voltha.FlowMetadata |
| 885 | if err := agent.GetMeterConfig(updatedFlows, meters, &flowMetadata); err != nil { // This should never happen,meters should be installed before flow arrives |
| 886 | log.Error("Meter-referred-in-flows-not-present") |
| 887 | return err |
| 888 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 889 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: updatedFlows}, *lDevice.FlowGroups) |
| 890 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 891 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 892 | if err := agent.addDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 893 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 894 | return err |
| 895 | } |
| 896 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 897 | // Update model |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 898 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 899 | log.Errorw("db-flow-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 900 | return err |
| 901 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 902 | if !updated { |
| 903 | changedMeterStats := agent.updateFlowCountOfMeterStats(mod, meters, flow) |
| 904 | metersToUpdate := &ofp.Meters{} |
| 905 | if lDevice.Meters != nil { |
| 906 | metersToUpdate = &ofp.Meters{Items: meters} |
| 907 | } |
| 908 | if changedMeterStats { |
| 909 | //Update model |
| 910 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
| 911 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 912 | return err |
| 913 | } |
| 914 | log.Debugw("meter-stats-updated-in-DB-successfully", log.Fields{"updated_meters": meters}) |
| 915 | |
| 916 | } |
| 917 | } |
| 918 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 919 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 920 | return nil |
| 921 | } |
| 922 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 923 | func (agent *LogicalDeviceAgent) GetMeterConfig(flows []*ofp.OfpFlowStats, meters []*ofp.OfpMeterEntry, metadata *voltha.FlowMetadata) error { |
| 924 | m := make(map[uint32]bool) |
| 925 | for _, flow := range flows { |
| 926 | if flowMeterID := fu.GetMeterIdFromFlow(flow); flowMeterID != 0 && m[flowMeterID] == false { |
| 927 | foundMeter := false |
| 928 | // Meter is present in the flow , Get from logical device |
| 929 | for _, meter := range meters { |
| 930 | if flowMeterID == meter.Config.MeterId { |
| 931 | metadata.Meters = append(metadata.Meters, meter.Config) |
| 932 | log.Debugw("Found meter in logical device", |
| 933 | log.Fields{"meterID": flowMeterID, "meter-band": meter.Config}) |
| 934 | m[flowMeterID] = true |
| 935 | foundMeter = true |
| 936 | break |
| 937 | } |
| 938 | } |
| 939 | if !foundMeter { |
| 940 | log.Errorw("Meter-referred-by-flow-is-not-found-in-logicaldevice", |
| 941 | log.Fields{"meterID": flowMeterID, "Avaliable-meters": meters, "flow": *flow}) |
| 942 | return errors.New("Meter-referred-by-flow-is-not-found-in-logicaldevice") |
| 943 | } |
| 944 | } |
| 945 | } |
| 946 | log.Debugw("meter-bands-for-flows", log.Fields{"flows": len(flows), "metadata": metadata}) |
| 947 | return nil |
| 948 | |
| 949 | } |
| 950 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 951 | //flowDelete deletes a flow from the flow table of that logical device |
| 952 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 953 | log.Debug("flowDelete") |
| 954 | if mod == nil { |
| 955 | return nil |
| 956 | } |
| 957 | agent.lockLogicalDevice.Lock() |
| 958 | defer agent.lockLogicalDevice.Unlock() |
| 959 | |
| 960 | var lDevice *voltha.LogicalDevice |
| 961 | var err error |
| 962 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 963 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 964 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 965 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 966 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 967 | var meters []*ofp.OfpMeterEntry |
| 968 | var flows []*ofp.OfpFlowStats |
| 969 | |
| 970 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 971 | flows = lDevice.Flows.Items |
| 972 | } |
| 973 | |
| 974 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 975 | meters = lDevice.Meters.Items |
| 976 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 977 | //build a list of what to keep vs what to delete |
| 978 | toKeep := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 979 | toDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 980 | for _, f := range flows { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 981 | // Check whether the flow and the flowmod matches |
| 982 | if fu.FlowMatch(f, fu.FlowStatsEntryFromFlowModMessage(mod)) { |
| 983 | toDelete = append(toDelete, f) |
| 984 | continue |
| 985 | } |
| 986 | // Check wild card match |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 987 | if !fu.FlowMatchesMod(f, mod) { |
| 988 | toKeep = append(toKeep, f) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 989 | } else { |
| 990 | toDelete = append(toDelete, f) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 991 | } |
| 992 | } |
| 993 | |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 994 | log.Debugw("flowDelete", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "toKeep": len(toKeep), "toDelete": toDelete}) |
| 995 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 996 | //Update flows |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 997 | if len(toDelete) > 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 998 | var flowMetadata voltha.FlowMetadata |
| 999 | if err := agent.GetMeterConfig(toDelete, meters, &flowMetadata); err != nil { // This should never happen |
| 1000 | log.Error("Meter-referred-in-flows-not-present") |
| 1001 | return errors.New("Meter-referred-in-flows-not-present") |
| 1002 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1003 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: toDelete}, ofp.FlowGroups{}) |
| 1004 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1005 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1006 | if err := agent.deleteDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1007 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1008 | return err |
| 1009 | } |
| 1010 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1011 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 1012 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1013 | return err |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | //TODO: send announcement on delete |
| 1018 | return nil |
| 1019 | } |
| 1020 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1021 | func (agent *LogicalDeviceAgent) addDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
| 1022 | log.Debugw("addDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceId, "deviceRules": deviceRules, "flowMetadata": flowMetadata}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1023 | |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1024 | chnlsList := make([]chan interface{}, 0) |
| 1025 | for deviceId, value := range deviceRules.GetRules() { |
| 1026 | ch := make(chan interface{}) |
| 1027 | chnlsList = append(chnlsList, ch) |
| 1028 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1029 | if err := agent.deviceMgr.addFlowsAndGroups(deviceId, flows, groups, flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1030 | log.Errorw("flow-add-failed", log.Fields{"deviceID": deviceId, "error": err}) |
| 1031 | ch <- status.Errorf(codes.Internal, "flow-add-failed: %s", deviceId) |
| 1032 | } |
| 1033 | ch <- nil |
| 1034 | }(deviceId, value.ListFlows(), value.ListGroups()) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1035 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1036 | // Wait for completion |
| 1037 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 1038 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1039 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1040 | return nil |
| 1041 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1042 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1043 | func (agent *LogicalDeviceAgent) deleteDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1044 | log.Debugw("deleteDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceId}) |
| 1045 | |
| 1046 | chnlsList := make([]chan interface{}, 0) |
| 1047 | for deviceId, value := range deviceRules.GetRules() { |
| 1048 | ch := make(chan interface{}) |
| 1049 | chnlsList = append(chnlsList, ch) |
| 1050 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1051 | if err := agent.deviceMgr.deleteFlowsAndGroups(deviceId, flows, groups, flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1052 | log.Error("flow-delete-failed", log.Fields{"deviceID": deviceId, "error": err}) |
| 1053 | ch <- status.Errorf(codes.Internal, "flow-delete-failed: %s", deviceId) |
| 1054 | } |
| 1055 | ch <- nil |
| 1056 | }(deviceId, value.ListFlows(), value.ListGroups()) |
| 1057 | } |
| 1058 | // Wait for completion |
| 1059 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 1060 | return status.Errorf(codes.Aborted, "errors-%s", res) |
| 1061 | } |
| 1062 | return nil |
| 1063 | } |
| 1064 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1065 | func (agent *LogicalDeviceAgent) updateDeviceFlowsAndGroups(deviceRules *fu.DeviceRules, flowMetadata *voltha.FlowMetadata) error { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1066 | log.Debugw("updateDeviceFlowsAndGroups", log.Fields{"logicalDeviceID": agent.logicalDeviceId}) |
| 1067 | |
| 1068 | chnlsList := make([]chan interface{}, 0) |
| 1069 | for deviceId, value := range deviceRules.GetRules() { |
| 1070 | ch := make(chan interface{}) |
| 1071 | chnlsList = append(chnlsList, ch) |
| 1072 | go func(deviceId string, flows []*ofp.OfpFlowStats, groups []*ofp.OfpGroupEntry) { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1073 | if err := agent.deviceMgr.updateFlowsAndGroups(deviceId, flows, groups, flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1074 | log.Error("flow-update-failed", log.Fields{"deviceID": deviceId, "error": err}) |
| 1075 | ch <- status.Errorf(codes.Internal, "flow-update-failed: %s", deviceId) |
| 1076 | } |
| 1077 | ch <- nil |
| 1078 | }(deviceId, value.ListFlows(), value.ListGroups()) |
| 1079 | } |
| 1080 | // Wait for completion |
| 1081 | if res := fu.WaitForNilOrErrorResponses(agent.defaultTimeout, chnlsList...); res != nil { |
| 1082 | return status.Errorf(codes.Aborted, "errors-%s", res) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1083 | } |
| 1084 | return nil |
| 1085 | } |
| 1086 | |
| 1087 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 1088 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 1089 | log.Debug("flowDeleteStrict") |
| 1090 | if mod == nil { |
| 1091 | return nil |
| 1092 | } |
| 1093 | agent.lockLogicalDevice.Lock() |
| 1094 | defer agent.lockLogicalDevice.Unlock() |
| 1095 | |
| 1096 | var lDevice *voltha.LogicalDevice |
| 1097 | var err error |
| 1098 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1099 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1100 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 1101 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1102 | var meters []*ofp.OfpMeterEntry |
| 1103 | var flows []*ofp.OfpFlowStats |
| 1104 | if lDevice.Meters != nil && lDevice.Meters.Items != nil { |
| 1105 | meters = lDevice.Meters.Items |
| 1106 | } |
| 1107 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 1108 | flows = lDevice.Flows.Items |
| 1109 | } |
| 1110 | |
| 1111 | changedFlow := false |
| 1112 | changedMeter := false |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1113 | flow := fu.FlowStatsEntryFromFlowModMessage(mod) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1114 | flowsToDelete := make([]*ofp.OfpFlowStats, 0) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1115 | idx := fu.FindFlows(flows, flow) |
| 1116 | if idx >= 0 { |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1117 | changedMeter = agent.updateFlowCountOfMeterStats(mod, meters, flow) |
| 1118 | flowsToDelete = append(flowsToDelete, flows[idx]) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1119 | flows = append(flows[:idx], flows[idx+1:]...) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1120 | changedFlow = true |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1121 | } else { |
| 1122 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 1123 | } |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1124 | if changedMeter { |
| 1125 | //Update model |
| 1126 | metersToUpdate := &ofp.Meters{} |
| 1127 | if lDevice.Meters != nil { |
| 1128 | metersToUpdate = &ofp.Meters{Items: meters} |
| 1129 | } |
| 1130 | if err := agent.updateLogicalDeviceMetersWithoutLock(metersToUpdate); err != nil { |
| 1131 | log.Errorw("db-meter-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1132 | return err |
| 1133 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1134 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1135 | } |
| 1136 | if changedFlow { |
| 1137 | var flowMetadata voltha.FlowMetadata |
| 1138 | if err := agent.GetMeterConfig(flowsToDelete, meters, &flowMetadata); err != nil { |
| 1139 | log.Error("Meter-referred-in-flows-not-present") |
| 1140 | return err |
| 1141 | } |
| 1142 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: flowsToDelete}, ofp.FlowGroups{}) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1143 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1144 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1145 | if err := agent.deleteDeviceFlowsAndGroups(deviceRules, &flowMetadata); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1146 | log.Errorw("failure-deleting-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1147 | return err |
| 1148 | } |
| 1149 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1150 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1151 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1152 | return err |
| 1153 | } |
| 1154 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1155 | return nil |
| 1156 | } |
| 1157 | |
| 1158 | //flowModify modifies a flow from the flow table of that logical device |
| 1159 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 1160 | return errors.New("flowModify not implemented") |
| 1161 | } |
| 1162 | |
| 1163 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 1164 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 1165 | return errors.New("flowModifyStrict not implemented") |
| 1166 | } |
| 1167 | |
| 1168 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 1169 | log.Debug("groupAdd") |
| 1170 | if groupMod == nil { |
| 1171 | return nil |
| 1172 | } |
| 1173 | agent.lockLogicalDevice.Lock() |
| 1174 | defer agent.lockLogicalDevice.Unlock() |
| 1175 | |
| 1176 | var lDevice *voltha.LogicalDevice |
| 1177 | var err error |
| 1178 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1179 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1180 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 1181 | } |
| 1182 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1183 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1184 | groups = append(groups, fu.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1185 | |
| 1186 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *lDevice.Flows, ofp.FlowGroups{Items: groups}) |
| 1187 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1188 | if err := agent.addDeviceFlowsAndGroups(deviceRules, nil); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1189 | log.Errorw("failure-updating-device-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1190 | return err |
| 1191 | } |
| 1192 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1193 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 1194 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1195 | return err |
| 1196 | } |
| 1197 | } else { |
| 1198 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 1199 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1200 | return nil |
| 1201 | } |
| 1202 | |
| 1203 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 1204 | log.Debug("groupDelete") |
| 1205 | if groupMod == nil { |
| 1206 | return nil |
| 1207 | } |
| 1208 | agent.lockLogicalDevice.Lock() |
| 1209 | defer agent.lockLogicalDevice.Unlock() |
| 1210 | |
| 1211 | var lDevice *voltha.LogicalDevice |
| 1212 | var err error |
| 1213 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1214 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1215 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 1216 | } |
| 1217 | groups := lDevice.FlowGroups.Items |
| 1218 | flows := lDevice.Flows.Items |
| 1219 | groupsChanged := false |
| 1220 | flowsChanged := false |
| 1221 | groupId := groupMod.GroupId |
| 1222 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 1223 | //TODO we must delete all flows that point to this group and |
| 1224 | //signal controller as requested by flow's flag |
| 1225 | groups = []*ofp.OfpGroupEntry{} |
| 1226 | groupsChanged = true |
| 1227 | } else { |
| 1228 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 1229 | return nil // Valid case |
| 1230 | } else { |
| 1231 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 1232 | groups = append(groups[:idx], groups[idx+1:]...) |
| 1233 | groupsChanged = true |
| 1234 | } |
| 1235 | } |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1236 | if flowsChanged || groupsChanged { |
| 1237 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: flows}, ofp.FlowGroups{Items: groups}) |
| 1238 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1239 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1240 | if err := agent.updateDeviceFlowsAndGroups(deviceRules, nil); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1241 | log.Errorw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1242 | return err |
| 1243 | } |
| 1244 | } |
| 1245 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1246 | if groupsChanged { |
| 1247 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 1248 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1249 | return err |
| 1250 | } |
| 1251 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1252 | if flowsChanged { |
| 1253 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 1254 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1255 | return err |
| 1256 | } |
| 1257 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1258 | return nil |
| 1259 | } |
| 1260 | |
| 1261 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 1262 | log.Debug("groupModify") |
| 1263 | if groupMod == nil { |
| 1264 | return nil |
| 1265 | } |
| 1266 | agent.lockLogicalDevice.Lock() |
| 1267 | defer agent.lockLogicalDevice.Unlock() |
| 1268 | |
| 1269 | var lDevice *voltha.LogicalDevice |
| 1270 | var err error |
| 1271 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1272 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1273 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 1274 | } |
| 1275 | groups := lDevice.FlowGroups.Items |
| 1276 | groupsChanged := false |
| 1277 | groupId := groupMod.GroupId |
| 1278 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1279 | return errors.New(fmt.Sprintf("group-absent:%d", groupId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1280 | } else { |
| 1281 | //replace existing group entry with new group definition |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1282 | groupEntry := fu.GroupEntryFromGroupMod(groupMod) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1283 | groups[idx] = groupEntry |
| 1284 | groupsChanged = true |
| 1285 | } |
| 1286 | if groupsChanged { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1287 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, ofp.Flows{Items: lDevice.Flows.Items}, ofp.FlowGroups{Items: groups}) |
| 1288 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1289 | |
Manikkaraj k | b1a1092 | 2019-07-29 12:10:34 -0400 | [diff] [blame] | 1290 | if err := agent.updateDeviceFlowsAndGroups(deviceRules, nil); err != nil { |
khenaidoo | 0458db6 | 2019-06-20 08:50:36 -0400 | [diff] [blame] | 1291 | log.Errorw("failure-updating-device-flows-groups", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1292 | return err |
| 1293 | } |
| 1294 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1295 | //lDevice.FlowGroups.Items = groups |
| 1296 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1297 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1298 | return err |
| 1299 | } |
| 1300 | } |
| 1301 | return nil |
| 1302 | } |
| 1303 | |
| 1304 | // deleteLogicalPort removes the logical port |
| 1305 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 1306 | agent.lockLogicalDevice.Lock() |
| 1307 | defer agent.lockLogicalDevice.Unlock() |
| 1308 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1309 | // Get the most up to date logical device |
| 1310 | var logicaldevice *voltha.LogicalDevice |
| 1311 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1312 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 1313 | return nil |
| 1314 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1315 | index := -1 |
| 1316 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1317 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1318 | index = i |
| 1319 | break |
| 1320 | } |
| 1321 | } |
| 1322 | if index >= 0 { |
| 1323 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 1324 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 1325 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 1326 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1327 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 1328 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1329 | return err |
| 1330 | } |
| 1331 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1332 | go agent.generateDeviceGraph() |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 1333 | } |
| 1334 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 1335 | } |
| 1336 | |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1337 | // deleteLogicalPorts removes the logical ports associated with that deviceId |
| 1338 | func (agent *LogicalDeviceAgent) deleteLogicalPorts(deviceId string) error { |
| 1339 | agent.lockLogicalDevice.Lock() |
| 1340 | defer agent.lockLogicalDevice.Unlock() |
| 1341 | |
| 1342 | // Get the most up to date logical device |
| 1343 | var logicaldevice *voltha.LogicalDevice |
| 1344 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 1345 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1346 | return nil |
| 1347 | } |
| 1348 | updatedLPorts := []*voltha.LogicalPort{} |
| 1349 | for _, logicalPort := range logicaldevice.Ports { |
| 1350 | if logicalPort.DeviceId != deviceId { |
| 1351 | updatedLPorts = append(updatedLPorts, logicalPort) |
| 1352 | } |
| 1353 | } |
| 1354 | logicaldevice.Ports = updatedLPorts |
| 1355 | log.Debugw("updated-logical-ports", log.Fields{"ports": updatedLPorts}) |
| 1356 | if err := agent.updateLogicalDeviceWithoutLock(logicaldevice); err != nil { |
| 1357 | log.Errorw("logical-device-update-failed", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1358 | return err |
| 1359 | } |
| 1360 | // Reset the logical device graph |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1361 | go agent.generateDeviceGraph() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1362 | |
| 1363 | return nil |
| 1364 | } |
| 1365 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1366 | // enableLogicalPort enables the logical port |
| 1367 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 1368 | agent.lockLogicalDevice.Lock() |
| 1369 | defer agent.lockLogicalDevice.Unlock() |
| 1370 | |
| 1371 | // Get the most up to date logical device |
| 1372 | var logicaldevice *voltha.LogicalDevice |
| 1373 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 1374 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 1375 | return nil |
| 1376 | } |
| 1377 | index := -1 |
| 1378 | for i, logicalPort := range logicaldevice.Ports { |
| 1379 | if logicalPort.Id == lPort.Id { |
| 1380 | index = i |
| 1381 | break |
| 1382 | } |
| 1383 | } |
| 1384 | if index >= 0 { |
| 1385 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 1386 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 1387 | } |
| 1388 | //TODO: Trigger subsequent actions on the device |
| 1389 | return nil |
| 1390 | } |
| 1391 | |
| 1392 | // disableLogicalPort disabled the logical port |
| 1393 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 1394 | agent.lockLogicalDevice.Lock() |
| 1395 | defer agent.lockLogicalDevice.Unlock() |
| 1396 | |
| 1397 | // Get the most up to date logical device |
| 1398 | var logicaldevice *voltha.LogicalDevice |
| 1399 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 1400 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 1401 | return nil |
| 1402 | } |
| 1403 | index := -1 |
| 1404 | for i, logicalPort := range logicaldevice.Ports { |
| 1405 | if logicalPort.Id == lPort.Id { |
| 1406 | index = i |
| 1407 | break |
| 1408 | } |
| 1409 | } |
| 1410 | if index >= 0 { |
| 1411 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 1412 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 1413 | } |
| 1414 | //TODO: Trigger subsequent actions on the device |
| 1415 | return nil |
| 1416 | } |
| 1417 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1418 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1419 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1420 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1421 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1422 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 1423 | return route |
| 1424 | } |
| 1425 | } |
| 1426 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 1427 | return nil |
| 1428 | } |
| 1429 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1430 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1431 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1432 | routes := make([]graph.RouteHop, 0) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1433 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1434 | // Note: A port value of 0 is equivalent to a nil port |
| 1435 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1436 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1437 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1438 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
| 1439 | if agent.isNNIPort(ingressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1440 | //This is a trap on the NNI Port |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1441 | if len(agent.deviceGraph.Routes) == 0 { |
| 1442 | // If there are no routes set (usually when the logical device has only NNI port(s), then just return an |
Humera Kouser | 4ff8901 | 2019-08-25 19:01:51 -0400 | [diff] [blame] | 1443 | // route with same IngressHop and EgressHop |
| 1444 | hop := graph.RouteHop{DeviceID: agent.rootDeviceId, Ingress: ingressPortNo, Egress: ingressPortNo} |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1445 | routes = append(routes, hop) |
| 1446 | routes = append(routes, hop) |
| 1447 | return routes |
| 1448 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1449 | //Return a 'half' route to make the flow decomposer logic happy |
| 1450 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1451 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1452 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 1453 | routes = append(routes, route[1]) |
| 1454 | return routes |
| 1455 | } |
| 1456 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1457 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1458 | return nil |
| 1459 | } |
| 1460 | //treat it as if the output port is the first NNI of the OLT |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1461 | var err error |
| 1462 | if egressPortNo, err = agent.getFirstNNIPort(); err != nil { |
| 1463 | log.Warnw("no-nni-port", log.Fields{"error": err}) |
| 1464 | return nil |
| 1465 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1466 | } |
| 1467 | //If ingress port is not specified (nil), it may be a wildcarded |
| 1468 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 1469 | //in which case we need to create a half-route where only the egress |
| 1470 | //hop is filled, the first hop is nil |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1471 | if ingressPortNo == 0 && agent.isNNIPort(egressPortNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1472 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 1473 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1474 | if agent.isNNIPort(routeLink.Egress) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1475 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 1476 | routes = append(routes, route[1]) |
| 1477 | return routes |
| 1478 | } |
| 1479 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1480 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1481 | return nil |
| 1482 | } |
| 1483 | //If egress port is not specified (nil), we can also can return a "half" route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1484 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1485 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1486 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1487 | routes = append(routes, route[0]) |
| 1488 | routes = append(routes, graph.RouteHop{}) |
| 1489 | return routes |
| 1490 | } |
| 1491 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1492 | log.Warnw("no-downstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "logicalPortsNo": agent.logicalPortsNo}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1493 | return nil |
| 1494 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1495 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1496 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1497 | } |
| 1498 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1499 | //GetWildcardInputPorts filters out the logical port number from the set of logical ports on the device and |
| 1500 | //returns their port numbers. This function is invoked only during flow decomposition where the lock on the logical |
| 1501 | //device is already held. Therefore it is safe to retrieve the logical device without lock. |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1502 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 1503 | lPorts := make([]uint32, 0) |
| 1504 | var exclPort uint32 |
| 1505 | if len(excludePort) == 1 { |
| 1506 | exclPort = excludePort[0] |
| 1507 | } |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1508 | if lDevice, _ := agent.getLogicalDeviceWithoutLock(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1509 | for _, port := range lDevice.Ports { |
| 1510 | if port.OfpPort.PortNo != exclPort { |
| 1511 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 1512 | } |
| 1513 | } |
| 1514 | } |
| 1515 | return lPorts |
| 1516 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1517 | |
| 1518 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 1519 | return agent.deviceGraph |
| 1520 | } |
| 1521 | |
khenaidoo | 3306c99 | 2019-05-24 16:57:35 -0400 | [diff] [blame] | 1522 | //updateRoutes rebuilds the device graph if not done already |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1523 | func (agent *LogicalDeviceAgent) updateRoutes(device *voltha.Device, port *voltha.Port) error { |
| 1524 | log.Debugf("updateRoutes", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "device": device.Id, "port": port}) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1525 | agent.lockLogicalDevice.Lock() |
| 1526 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1527 | if agent.deviceGraph == nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1528 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1529 | } |
| 1530 | // Get all the logical ports on that logical device |
| 1531 | if lDevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
manikkaraj k | 259a6f7 | 2019-05-06 09:55:44 -0400 | [diff] [blame] | 1532 | log.Errorw("unknown-logical-device", log.Fields{"error": err, "logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1533 | return err |
| 1534 | } else { |
| 1535 | //TODO: Find a better way to refresh only missing routes |
| 1536 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 1537 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1538 | agent.deviceGraph.Print() |
| 1539 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1540 | } |
| 1541 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1542 | //updateDeviceGraph updates the device graph if not done already and setup the default rules as well |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1543 | func (agent *LogicalDeviceAgent) updateDeviceGraph(lp *voltha.LogicalPort) { |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1544 | log.Debugf("updateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 1545 | agent.lockLogicalDevice.Lock() |
| 1546 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1547 | if agent.deviceGraph == nil { |
| 1548 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1549 | } |
| 1550 | agent.deviceGraph.AddPort(lp) |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1551 | agent.deviceGraph.Print() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1552 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1553 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1554 | //generateDeviceGraph regenerates the device graph |
| 1555 | func (agent *LogicalDeviceAgent) generateDeviceGraph() { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 1556 | log.Debugw("generateDeviceGraph", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1557 | agent.lockLogicalDevice.Lock() |
| 1558 | defer agent.lockLogicalDevice.Unlock() |
| 1559 | // Get the latest logical device |
| 1560 | if ld, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1561 | log.Errorw("logical-device-not-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "error": err}) |
| 1562 | } else { |
khenaidoo | 4c9e559 | 2019-09-09 16:20:41 -0400 | [diff] [blame] | 1563 | log.Debugw("generating-graph", log.Fields{"lDeviceId": agent.logicalDeviceId, "lPorts": len(ld.Ports)}) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1564 | if agent.deviceGraph == nil { |
| 1565 | agent.deviceGraph = graph.NewDeviceGraph(agent.logicalDeviceId, agent.deviceMgr.GetDevice) |
| 1566 | } |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1567 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1568 | agent.deviceGraph.Print() |
khenaidoo | 0a822f9 | 2019-05-08 15:15:57 -0400 | [diff] [blame] | 1569 | } |
| 1570 | } |
| 1571 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1572 | // portAdded is a callback invoked when a port is added to the logical device. |
| 1573 | // TODO: To use when POST_ADD is fixed. |
| 1574 | func (agent *LogicalDeviceAgent) portAdded(args ...interface{}) interface{} { |
| 1575 | log.Debugw("portAdded-callback", log.Fields{"argsLen": len(args)}) |
| 1576 | |
| 1577 | var port *voltha.LogicalPort |
| 1578 | |
| 1579 | // Sanity check |
| 1580 | if args[0] != nil { |
| 1581 | log.Warnw("previous-data-not-nil", log.Fields{"args0": args[0]}) |
| 1582 | } |
| 1583 | var ok bool |
| 1584 | if port, ok = args[1].(*voltha.LogicalPort); !ok { |
| 1585 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1586 | return nil |
| 1587 | } |
| 1588 | |
| 1589 | // Set the proxy and callback for that port |
| 1590 | agent.portProxiesLock.Lock() |
Stephane Barbarie | 40fd3b2 | 2019-04-23 21:50:47 -0400 | [diff] [blame] | 1591 | agent.portProxies[port.Id] = agent.clusterDataProxy.CreateProxy( |
Stephane Barbarie | ef6650d | 2019-07-18 12:15:09 -0400 | [diff] [blame] | 1592 | context.Background(), |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1593 | fmt.Sprintf("/logical_devices/%s/ports/%s", agent.logicalDeviceId, port.Id), |
| 1594 | false) |
| 1595 | agent.portProxies[port.Id].RegisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1596 | agent.portProxiesLock.Unlock() |
| 1597 | |
| 1598 | // Send the port change event to the OF controller |
| 1599 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1600 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1601 | |
| 1602 | return nil |
| 1603 | } |
| 1604 | |
| 1605 | // portRemoved is a callback invoked when a port is removed from the logical device. |
| 1606 | // TODO: To use when POST_ADD is fixed. |
| 1607 | func (agent *LogicalDeviceAgent) portRemoved(args ...interface{}) interface{} { |
| 1608 | log.Debugw("portRemoved-callback", log.Fields{"argsLen": len(args)}) |
| 1609 | |
| 1610 | var port *voltha.LogicalPort |
| 1611 | |
| 1612 | // Sanity check |
| 1613 | if args[1] != nil { |
| 1614 | log.Warnw("data-not-nil", log.Fields{"args1": args[1]}) |
| 1615 | } |
| 1616 | var ok bool |
| 1617 | if port, ok = args[0].(*voltha.LogicalPort); !ok { |
| 1618 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1619 | return nil |
| 1620 | } |
| 1621 | |
| 1622 | // Remove the proxy and callback for that port |
| 1623 | agent.portProxiesLock.Lock() |
| 1624 | agent.portProxies[port.Id].UnregisterCallback(model.POST_UPDATE, agent.portUpdated) |
| 1625 | delete(agent.portProxies, port.Id) |
| 1626 | agent.portProxiesLock.Unlock() |
| 1627 | |
| 1628 | // Send the port change event to the OF controller |
| 1629 | agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1630 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: port.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1631 | |
| 1632 | return nil |
| 1633 | } |
| 1634 | |
| 1635 | // diff go over two lists of logical ports and return what's new, what's changed and what's removed. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1636 | func diff(oldList, newList []*voltha.LogicalPort) (newPorts, changedPorts, deletedPorts []*voltha.LogicalPort) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1637 | newPorts = make([]*voltha.LogicalPort, 0) |
| 1638 | changedPorts = make([]*voltha.LogicalPort, 0) |
| 1639 | deletedPorts = make([]*voltha.LogicalPort, 0) |
| 1640 | for _, o := range oldList { |
| 1641 | found := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1642 | for _, n := range newList { |
| 1643 | if o.Id == n.Id { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1644 | found = true |
| 1645 | break |
| 1646 | } |
| 1647 | } |
| 1648 | if !found { |
| 1649 | deletedPorts = append(deletedPorts, o) |
| 1650 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1651 | } |
| 1652 | for _, n := range newList { |
| 1653 | found := false |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1654 | changed := false |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1655 | for _, o := range oldList { |
| 1656 | if o.Id == n.Id { |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1657 | changed = !reflect.DeepEqual(o, n) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1658 | found = true |
| 1659 | break |
| 1660 | } |
| 1661 | } |
| 1662 | if !found { |
| 1663 | newPorts = append(newPorts, n) |
| 1664 | } |
khenaidoo | 2bc4828 | 2019-07-16 18:13:46 -0400 | [diff] [blame] | 1665 | if changed { |
| 1666 | changedPorts = append(changedPorts, n) |
| 1667 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1668 | } |
| 1669 | return |
| 1670 | } |
| 1671 | |
| 1672 | // portUpdated is invoked when a port is updated on the logical device. Until |
| 1673 | // the POST_ADD notification is fixed, we will use the logical device to |
| 1674 | // update that data. |
| 1675 | func (agent *LogicalDeviceAgent) portUpdated(args ...interface{}) interface{} { |
| 1676 | log.Debugw("portUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1677 | |
| 1678 | var oldLD *voltha.LogicalDevice |
| 1679 | var newlD *voltha.LogicalDevice |
| 1680 | |
| 1681 | var ok bool |
| 1682 | if oldLD, ok = args[0].(*voltha.LogicalDevice); !ok { |
| 1683 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1684 | return nil |
| 1685 | } |
| 1686 | if newlD, ok = args[1].(*voltha.LogicalDevice); !ok { |
| 1687 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1688 | return nil |
| 1689 | } |
| 1690 | |
| 1691 | if reflect.DeepEqual(oldLD.Ports, newlD.Ports) { |
| 1692 | log.Debug("ports-have-not-changed") |
| 1693 | return nil |
| 1694 | } |
| 1695 | |
| 1696 | // Get the difference between the two list |
| 1697 | newPorts, changedPorts, deletedPorts := diff(oldLD.Ports, newlD.Ports) |
| 1698 | |
| 1699 | // Send the port change events to the OF controller |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1700 | for _, newP := range newPorts { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1701 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1702 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_ADD, Desc: newP.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1703 | } |
| 1704 | for _, change := range changedPorts { |
| 1705 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1706 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_MODIFY, Desc: change.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1707 | } |
| 1708 | for _, del := range deletedPorts { |
| 1709 | go agent.ldeviceMgr.grpcNbiHdlr.sendChangeEvent(agent.logicalDeviceId, |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1710 | &ofp.OfpPortStatus{Reason: ofp.OfpPortReason_OFPPR_DELETE, Desc: del.OfpPort}) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | return nil |
| 1714 | } |
| 1715 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1716 | // addNNILogicalPort adds an NNI port to the logical device. It returns a bool representing whether a port has been |
| 1717 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1718 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1719 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1720 | func (agent *LogicalDeviceAgent) addNNILogicalPort(device *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1721 | log.Debugw("addNNILogicalPort", log.Fields{"NNI": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1722 | if device.AdminState != voltha.AdminState_ENABLED || device.OperStatus != voltha.OperStatus_ACTIVE { |
| 1723 | log.Infow("device-not-ready", log.Fields{"deviceId": device.Id, "admin": device.AdminState, "oper": device.OperStatus}) |
| 1724 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1725 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1726 | agent.lockLogicalDevice.RLock() |
| 1727 | if agent.portExist(device, port) { |
| 1728 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1729 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1730 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1731 | } |
| 1732 | agent.lockLogicalDevice.RUnlock() |
| 1733 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1734 | var portCap *ic.PortCapability |
| 1735 | var err error |
| 1736 | // First get the port capability |
| 1737 | if portCap, err = agent.deviceMgr.getPortCapability(nil, device.Id, port.PortNo); err != nil { |
| 1738 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1739 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1740 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1741 | |
| 1742 | agent.lockLogicalDevice.Lock() |
| 1743 | defer agent.lockLogicalDevice.Unlock() |
| 1744 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1745 | if agent.portExist(device, port) { |
| 1746 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1747 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1748 | } |
| 1749 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1750 | portCap.Port.RootPort = true |
| 1751 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1752 | lp.DeviceId = device.Id |
| 1753 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 1754 | lp.OfpPort.PortNo = port.PortNo |
| 1755 | lp.OfpPort.Name = lp.Id |
| 1756 | lp.DevicePortNo = port.PortNo |
| 1757 | |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1758 | var ld *voltha.LogicalDevice |
| 1759 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 1760 | log.Errorw("error-retrieving-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1761 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1762 | } |
| 1763 | cloned := (proto.Clone(ld)).(*voltha.LogicalDevice) |
| 1764 | if cloned.Ports == nil { |
| 1765 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1766 | } |
| 1767 | cloned.Ports = append(cloned.Ports, lp) |
| 1768 | |
| 1769 | if err = agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1770 | log.Errorw("error-updating-logical-device", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1771 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1772 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1773 | |
| 1774 | // Update the device graph with this new logical port |
| 1775 | clonedLP := (proto.Clone(lp)).(*voltha.LogicalPort) |
| 1776 | go agent.updateDeviceGraph(clonedLP) |
| 1777 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1778 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1779 | } |
| 1780 | |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1781 | func (agent *LogicalDeviceAgent) portExist(device *voltha.Device, port *voltha.Port) bool { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1782 | if ldevice, _ := agent.getLogicalDeviceWithoutLock(); ldevice != nil { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1783 | for _, lPort := range ldevice.Ports { |
khenaidoo | 54544ae | 2019-03-18 13:22:39 -0400 | [diff] [blame] | 1784 | if lPort.DeviceId == device.Id && lPort.DevicePortNo == port.PortNo && lPort.Id == port.Label { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1785 | return true |
| 1786 | } |
| 1787 | } |
| 1788 | } |
| 1789 | return false |
| 1790 | } |
| 1791 | |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1792 | // addUNILogicalPort adds an UNI port to the logical device. It returns a bool representing whether a port has been |
| 1793 | // added and an eror in case a valid error is encountered. If the port was successfully added it will return |
| 1794 | // (true, nil). If the device is not in the correct state it will return (false, nil) as this is a valid |
| 1795 | // scenario. This also applies to the case where the port was already added. |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1796 | func (agent *LogicalDeviceAgent) addUNILogicalPort(childDevice *voltha.Device, port *voltha.Port) (bool, error) { |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1797 | log.Debugw("addUNILogicalPort", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1798 | if childDevice.AdminState != voltha.AdminState_ENABLED || childDevice.OperStatus != voltha.OperStatus_ACTIVE { |
| 1799 | log.Infow("device-not-ready", log.Fields{"deviceId": childDevice.Id, "admin": childDevice.AdminState, "oper": childDevice.OperStatus}) |
| 1800 | return false, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1801 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1802 | agent.lockLogicalDevice.RLock() |
| 1803 | if agent.portExist(childDevice, port) { |
| 1804 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
| 1805 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1806 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1807 | } |
| 1808 | agent.lockLogicalDevice.RUnlock() |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1809 | var portCap *ic.PortCapability |
| 1810 | var err error |
| 1811 | // First get the port capability |
| 1812 | if portCap, err = agent.deviceMgr.getPortCapability(nil, childDevice.Id, port.PortNo); err != nil { |
| 1813 | log.Errorw("error-retrieving-port-capabilities", log.Fields{"error": err}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1814 | return false, err |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1815 | } |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1816 | agent.lockLogicalDevice.Lock() |
| 1817 | defer agent.lockLogicalDevice.Unlock() |
| 1818 | // Double check again if this port has been already added since the getPortCapability could have taken a long time |
| 1819 | if agent.portExist(childDevice, port) { |
| 1820 | log.Debugw("port-already-exist", log.Fields{"port": port}) |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1821 | return false, nil |
khenaidoo | 1ce37ad | 2019-03-24 22:07:24 -0400 | [diff] [blame] | 1822 | } |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1823 | // Get stored logical device |
| 1824 | if ldevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
khenaidoo | 8f47419 | 2019-04-03 17:20:44 -0400 | [diff] [blame] | 1825 | return false, status.Error(codes.NotFound, agent.logicalDeviceId) |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1826 | } else { |
| 1827 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
| 1828 | portCap.Port.RootPort = false |
Matt Jeanneret | 3815e32 | 2019-03-12 19:15:49 -0400 | [diff] [blame] | 1829 | portCap.Port.Id = port.Label |
| 1830 | portCap.Port.OfpPort.PortNo = port.PortNo |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1831 | portCap.Port.DeviceId = childDevice.Id |
| 1832 | portCap.Port.DevicePortNo = port.PortNo |
| 1833 | cloned := (proto.Clone(ldevice)).(*voltha.LogicalDevice) |
| 1834 | if cloned.Ports == nil { |
| 1835 | cloned.Ports = make([]*voltha.LogicalPort, 0) |
| 1836 | } |
| 1837 | cloned.Ports = append(cloned.Ports, portCap.Port) |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1838 | if err := agent.updateLogicalDeviceWithoutLock(cloned); err != nil { |
| 1839 | return false, err |
| 1840 | } |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1841 | // Update the device graph with this new logical port |
| 1842 | clonedLP := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
| 1843 | go agent.updateDeviceGraph(clonedLP) |
| 1844 | return true, nil |
khenaidoo | fc1314d | 2019-03-14 09:34:21 -0400 | [diff] [blame] | 1845 | } |
| 1846 | } |
| 1847 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1848 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1849 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1850 | outPort := fu.GetPacketOutPort(packet) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1851 | //frame := packet.GetData() |
| 1852 | //TODO: Use a channel between the logical agent and the device agent |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1853 | if err := agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet); err != nil { |
khenaidoo | 910204f | 2019-04-08 17:56:40 -0400 | [diff] [blame] | 1854 | log.Error("packetout-failed", log.Fields{"logicalDeviceID": agent.rootDeviceId}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1855 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1856 | } |
| 1857 | |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1858 | func (agent *LogicalDeviceAgent) packetIn(port uint32, transactionId string, packet []byte) { |
| 1859 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet, "transactionId": transactionId}) |
khenaidoo | 68c930b | 2019-05-13 11:46:51 -0400 | [diff] [blame] | 1860 | packetIn := fu.MkPacketIn(port, packet) |
khenaidoo | 297cd25 | 2019-02-07 22:10:23 -0500 | [diff] [blame] | 1861 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceId, transactionId, packetIn) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1862 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packetIn}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1863 | } |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1864 | |
| 1865 | func (agent *LogicalDeviceAgent) addLogicalPortToMap(portNo uint32, nniPort bool) { |
| 1866 | agent.lockLogicalPortsNo.Lock() |
| 1867 | defer agent.lockLogicalPortsNo.Unlock() |
| 1868 | if exist := agent.logicalPortsNo[portNo]; !exist { |
| 1869 | agent.logicalPortsNo[portNo] = nniPort |
| 1870 | } |
| 1871 | } |
| 1872 | |
khenaidoo | 3d3b8c2 | 2019-05-22 18:10:39 -0400 | [diff] [blame] | 1873 | func (agent *LogicalDeviceAgent) addLogicalPortsToMap(lps []*voltha.LogicalPort) { |
| 1874 | agent.lockLogicalPortsNo.Lock() |
| 1875 | defer agent.lockLogicalPortsNo.Unlock() |
| 1876 | for _, lp := range lps { |
| 1877 | if exist := agent.logicalPortsNo[lp.DevicePortNo]; !exist { |
| 1878 | agent.logicalPortsNo[lp.DevicePortNo] = lp.RootPort |
| 1879 | } |
| 1880 | } |
| 1881 | } |
| 1882 | |
khenaidoo | 2c6a099 | 2019-04-29 13:46:56 -0400 | [diff] [blame] | 1883 | func (agent *LogicalDeviceAgent) deleteLogicalPortFromMap(portNo uint32) { |
| 1884 | agent.lockLogicalPortsNo.Lock() |
| 1885 | defer agent.lockLogicalPortsNo.Unlock() |
| 1886 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1887 | delete(agent.logicalPortsNo, portNo) |
| 1888 | } |
| 1889 | } |
| 1890 | |
| 1891 | func (agent *LogicalDeviceAgent) isNNIPort(portNo uint32) bool { |
| 1892 | agent.lockLogicalPortsNo.RLock() |
| 1893 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1894 | if exist := agent.logicalPortsNo[portNo]; exist { |
| 1895 | return agent.logicalPortsNo[portNo] |
| 1896 | } |
| 1897 | return false |
| 1898 | } |
| 1899 | |
| 1900 | func (agent *LogicalDeviceAgent) getFirstNNIPort() (uint32, error) { |
| 1901 | agent.lockLogicalPortsNo.RLock() |
| 1902 | defer agent.lockLogicalPortsNo.RUnlock() |
| 1903 | for portNo, nni := range agent.logicalPortsNo { |
| 1904 | if nni { |
| 1905 | return portNo, nil |
| 1906 | } |
| 1907 | } |
| 1908 | return 0, status.Error(codes.NotFound, "No NNI port found") |
| 1909 | } |