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" |
| 25 | ca "github.com/opencord/voltha-go/protos/core_adapter" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 26 | ofp "github.com/opencord/voltha-go/protos/openflow_13" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 27 | "github.com/opencord/voltha-go/protos/voltha" |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 28 | fd "github.com/opencord/voltha-go/rw_core/flow_decomposition" |
| 29 | "github.com/opencord/voltha-go/rw_core/graph" |
| 30 | fu "github.com/opencord/voltha-go/rw_core/utils" |
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" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 35 | ) |
| 36 | |
| 37 | type LogicalDeviceAgent struct { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 38 | logicalDeviceId string |
| 39 | lastData *voltha.LogicalDevice |
| 40 | rootDeviceId string |
| 41 | deviceMgr *DeviceManager |
| 42 | ldeviceMgr *LogicalDeviceManager |
| 43 | clusterDataProxy *model.Proxy |
| 44 | exitChannel chan int |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 45 | deviceGraph *graph.DeviceGraph |
| 46 | DefaultFlowRules *fu.DeviceRules |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 47 | flowProxy *model.Proxy |
| 48 | groupProxy *model.Proxy |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 49 | lockLogicalDevice sync.RWMutex |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 50 | flowDecomposer *fd.FlowDecomposer |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 51 | } |
| 52 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 53 | func newLogicalDeviceAgent(id string, device *voltha.Device, ldeviceMgr *LogicalDeviceManager, deviceMgr *DeviceManager, |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 54 | cdProxy *model.Proxy) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 55 | var agent LogicalDeviceAgent |
| 56 | agent.exitChannel = make(chan int, 1) |
| 57 | agent.logicalDeviceId = id |
| 58 | agent.rootDeviceId = device.Id |
| 59 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 60 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 61 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 62 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 63 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 64 | return &agent |
| 65 | } |
| 66 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 67 | // start creates the logical device and add it to the data model |
| 68 | func (agent *LogicalDeviceAgent) start(ctx context.Context) error { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 69 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 70 | //Build the logical device based on information retrieved from the device adapter |
| 71 | var switchCap *ca.SwitchCapability |
| 72 | var err error |
| 73 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceId); err != nil { |
| 74 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 75 | return err |
| 76 | } |
| 77 | ld := &voltha.LogicalDevice{Id: agent.logicalDeviceId, RootDeviceId: agent.rootDeviceId} |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 78 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
| 79 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 80 | ld.Flows = &ofp.Flows{Items: nil} |
| 81 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 82 | |
| 83 | //Add logical ports to the logical device based on the number of NNI ports discovered |
| 84 | //First get the default port capability - TODO: each NNI port may have different capabilities, |
| 85 | //hence. may need to extract the port by the NNI port id defined by the adapter during device |
| 86 | //creation |
| 87 | var nniPorts *voltha.Ports |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 88 | if nniPorts, err = agent.deviceMgr.getPorts(ctx, agent.rootDeviceId, voltha.Port_ETHERNET_NNI); err != nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 89 | log.Errorw("error-creating-logical-port", log.Fields{"error": err}) |
| 90 | } |
| 91 | var portCap *ca.PortCapability |
| 92 | for _, port := range nniPorts.Items { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 93 | log.Infow("!!!!!!!NNI PORTS", log.Fields{"NNI": port}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 94 | if portCap, err = agent.deviceMgr.getPortCapability(ctx, agent.rootDeviceId, port.PortNo); err != nil { |
| 95 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 96 | return err |
| 97 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 98 | portCap.Port.RootPort = true |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 99 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 100 | lp.DeviceId = agent.rootDeviceId |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 101 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 102 | lp.OfpPort.PortNo = port.PortNo |
| 103 | lp.OfpPort.Name = portCap.Port.Id |
| 104 | lp.DevicePortNo = port.PortNo |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 105 | ld.Ports = append(ld.Ports, lp) |
| 106 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 107 | agent.lockLogicalDevice.Lock() |
| 108 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 109 | // Save the logical device |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 110 | if added := agent.clusterDataProxy.AddWithID("/logical_devices", ld.Id, ld, ""); added == nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [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 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 116 | agent.flowProxy = agent.clusterDataProxy.Root.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 117 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceId), |
| 118 | false) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 119 | agent.groupProxy = agent.clusterDataProxy.Root.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 120 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceId), |
| 121 | false) |
| 122 | |
| 123 | agent.flowProxy.RegisterCallback(model.POST_UPDATE, agent.flowTableUpdated) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 124 | agent.groupProxy.RegisterCallback(model.POST_UPDATE, agent.groupTableUpdated) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 125 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 126 | return nil |
| 127 | } |
| 128 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 129 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
| 130 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) { |
| 131 | log.Info("stopping-logical_device-agent") |
| 132 | agent.lockLogicalDevice.Lock() |
| 133 | defer agent.lockLogicalDevice.Unlock() |
| 134 | //Remove the logical device from the model |
| 135 | if removed := agent.clusterDataProxy.Remove("/logical_devices/"+agent.logicalDeviceId, ""); removed == nil { |
| 136 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 137 | } else { |
| 138 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 139 | } |
| 140 | agent.exitChannel <- 1 |
| 141 | log.Info("logical_device-agent-stopped") |
| 142 | } |
| 143 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 144 | // GetLogicalDevice locks the logical device model and then retrieves the latest logical device information |
| 145 | func (agent *LogicalDeviceAgent) GetLogicalDevice() (*voltha.LogicalDevice, error) { |
| 146 | log.Debug("GetLogicalDevice") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 147 | agent.lockLogicalDevice.Lock() |
| 148 | defer agent.lockLogicalDevice.Unlock() |
| 149 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 150 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 151 | cloned := proto.Clone(lDevice).(*voltha.LogicalDevice) |
| 152 | return cloned, nil |
| 153 | } |
| 154 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 155 | } |
| 156 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 157 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() (*voltha.LogicalPorts, error) { |
| 158 | log.Debug("!!!!!ListLogicalDevicePorts") |
| 159 | agent.lockLogicalDevice.Lock() |
| 160 | defer agent.lockLogicalDevice.Unlock() |
| 161 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 162 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 163 | lPorts := make([]*voltha.LogicalPort, 0) |
| 164 | for _, port := range lDevice.Ports { |
| 165 | lPorts = append(lPorts, proto.Clone(port).(*voltha.LogicalPort)) |
| 166 | } |
| 167 | return &voltha.LogicalPorts{Items: lPorts}, nil |
| 168 | } |
| 169 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 170 | } |
| 171 | |
| 172 | // listFlows locks the logical device model and then retrieves the latest flow information |
| 173 | func (agent *LogicalDeviceAgent) listFlows() []*ofp.OfpFlowStats { |
| 174 | log.Debug("listFlows") |
| 175 | agent.lockLogicalDevice.Lock() |
| 176 | defer agent.lockLogicalDevice.Unlock() |
| 177 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 178 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 179 | return lDevice.Flows.Items |
| 180 | } |
| 181 | return nil |
| 182 | } |
| 183 | |
| 184 | // listFlowGroups locks the logical device model and then retrieves the latest flow groups information |
| 185 | func (agent *LogicalDeviceAgent) listFlowGroups() []*ofp.OfpGroupEntry { |
| 186 | log.Debug("listFlowGroups") |
| 187 | agent.lockLogicalDevice.Lock() |
| 188 | defer agent.lockLogicalDevice.Unlock() |
| 189 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 190 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 191 | return lDevice.FlowGroups.Items |
| 192 | } |
| 193 | return nil |
| 194 | } |
| 195 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 196 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 197 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
| 198 | cloned := proto.Clone(flows).(*ofp.Flows) |
| 199 | afterUpdate := agent.flowProxy.Update("/", cloned, false, "") |
| 200 | if afterUpdate == nil { |
| 201 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flows:%s", agent.logicalDeviceId) |
| 202 | } |
| 203 | // TODO: Remove this code when the model update is fixed |
| 204 | ld, _ := agent.getLogicalDeviceWithoutLock() |
| 205 | clonedDevice := proto.Clone(ld).(*voltha.LogicalDevice) |
| 206 | clonedDevice.Flows = proto.Clone(flows).(*ofp.Flows) |
| 207 | agent.updateLogicalDeviceWithoutLock(clonedDevice) |
| 208 | return nil |
| 209 | } |
| 210 | |
| 211 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 212 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
| 213 | cloned := proto.Clone(flowGroups).(*ofp.FlowGroups) |
| 214 | afterUpdate := agent.groupProxy.Update("/", cloned, false, "") |
| 215 | if afterUpdate == nil { |
| 216 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flow-groups:%s", agent.logicalDeviceId) |
| 217 | } |
| 218 | // TODO: Remove this code when the model update is fixed |
| 219 | ld, _ := agent.getLogicalDeviceWithoutLock() |
| 220 | clonedDevice := proto.Clone(ld).(*voltha.LogicalDevice) |
| 221 | clonedDevice.FlowGroups = proto.Clone(flowGroups).(*ofp.FlowGroups) |
| 222 | agent.updateLogicalDeviceWithoutLock(clonedDevice) |
| 223 | return nil |
| 224 | } |
| 225 | |
| 226 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 227 | // getLogicalDeviceWithoutLock retrieves a logical device from the model without locking it. This is used only by |
| 228 | // functions that have already acquired the logical device lock to the model |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 229 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() (*voltha.LogicalDevice, error) { |
| 230 | log.Debug("getLogicalDeviceWithoutLock") |
| 231 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 232 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 233 | cloned := proto.Clone(lDevice).(*voltha.LogicalDevice) |
| 234 | return cloned, nil |
| 235 | } |
| 236 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 237 | } |
| 238 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 239 | // addUNILogicalPort creates a UNI port on the logical device that represents a child device |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 240 | func (agent *LogicalDeviceAgent) addUNILogicalPort(ctx context.Context, childDevice *voltha.Device) error { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 241 | log.Infow("addUNILogicalPort-start", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 242 | // Build the logical device based on information retrieved from the device adapter |
| 243 | var portCap *ca.PortCapability |
| 244 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 245 | |
| 246 | //Get UNI port number |
| 247 | var uniPort uint32 |
| 248 | for _, port := range childDevice.Ports { |
| 249 | if port.Type == voltha.Port_ETHERNET_UNI { |
| 250 | uniPort = port.PortNo |
| 251 | } |
| 252 | } |
| 253 | if portCap, err = agent.deviceMgr.getPortCapability(ctx, childDevice.Id, uniPort); err != nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 254 | log.Errorw("error-creating-logical-port", log.Fields{"error": err}) |
| 255 | return err |
| 256 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 257 | agent.lockLogicalDevice.Lock() |
| 258 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 259 | // Get stored logical device |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 260 | if ldevice, err := agent.getLogicalDeviceWithoutLock(); err != nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 261 | return status.Error(codes.NotFound, agent.logicalDeviceId) |
| 262 | } else { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 263 | log.Infow("!!!!!!!!!!!ADDING-UNI", log.Fields{"deviceId": childDevice.Id}) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 264 | cloned := proto.Clone(ldevice).(*voltha.LogicalDevice) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 265 | portCap.Port.RootPort = false |
| 266 | //TODO: For now use the channel id assigned by the OLT as logical port number |
| 267 | lPortNo := childDevice.ProxyAddress.ChannelId |
| 268 | portCap.Port.Id = fmt.Sprintf("uni-%d", lPortNo) |
| 269 | portCap.Port.OfpPort.PortNo = lPortNo |
| 270 | portCap.Port.OfpPort.Name = portCap.Port.Id |
| 271 | portCap.Port.DeviceId = childDevice.Id |
| 272 | portCap.Port.DevicePortNo = uniPort |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 273 | lp := proto.Clone(portCap.Port).(*voltha.LogicalPort) |
| 274 | lp.DeviceId = childDevice.Id |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 275 | cloned.Ports = append(cloned.Ports, lp) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 276 | return agent.updateLogicalDeviceWithoutLock(cloned) |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 281 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
| 282 | cloned := proto.Clone(logicalDevice).(*voltha.LogicalDevice) |
| 283 | afterUpdate := agent.clusterDataProxy.Update("/logical_devices/"+agent.logicalDeviceId, cloned, false, "") |
| 284 | if afterUpdate == nil { |
| 285 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 286 | } |
| 287 | return nil |
| 288 | } |
| 289 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 290 | //updateFlowTable updates the flow table of that logical device |
| 291 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 292 | log.Debug("updateFlowTable") |
| 293 | if flow == nil { |
| 294 | return nil |
| 295 | } |
| 296 | switch flow.GetCommand() { |
| 297 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 298 | return agent.flowAdd(flow) |
| 299 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 300 | return agent.flowDelete(flow) |
| 301 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 302 | return agent.flowDeleteStrict(flow) |
| 303 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 304 | return agent.flowModify(flow) |
| 305 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 306 | return agent.flowModifyStrict(flow) |
| 307 | } |
| 308 | return status.Errorf(codes.Internal, |
| 309 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 310 | } |
| 311 | |
| 312 | //updateGroupTable updates the group table of that logical device |
| 313 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 314 | log.Debug("updateGroupTable") |
| 315 | if groupMod == nil { |
| 316 | return nil |
| 317 | } |
| 318 | switch groupMod.GetCommand() { |
| 319 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 320 | return agent.groupAdd(groupMod) |
| 321 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 322 | return agent.groupDelete(groupMod) |
| 323 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 324 | return agent.groupModify(groupMod) |
| 325 | } |
| 326 | return status.Errorf(codes.Internal, |
| 327 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 328 | } |
| 329 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 330 | |
| 331 | //updateFlowGroupsWithoutLock updates the flows in the logical device without locking the logical device. This function |
| 332 | //must only be called by a function that is holding the lock on the logical device |
| 333 | func (agent *LogicalDeviceAgent) updateFlowGroupsWithoutLock(groups []*ofp.OfpGroupEntry) error { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 334 | groupsCloned := make([]*ofp.OfpGroupEntry, len(groups)) |
| 335 | copy(groupsCloned, groups) |
| 336 | if afterUpdate := agent.groupProxy.Update("/", groupsCloned, true, ""); afterUpdate == nil { |
| 337 | return errors.New(fmt.Sprintf("update-flow-group-failed:%s", agent.logicalDeviceId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 338 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 339 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | //flowAdd adds a flow to the flow table of that logical device |
| 343 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
| 344 | log.Debug("flowAdd") |
| 345 | if mod == nil { |
| 346 | return nil |
| 347 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 348 | agent.lockLogicalDevice.Lock() |
| 349 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 350 | |
| 351 | var lDevice *voltha.LogicalDevice |
| 352 | var err error |
| 353 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 354 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 355 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 356 | } |
| 357 | |
| 358 | var flows []*ofp.OfpFlowStats |
| 359 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 360 | flows = lDevice.Flows.Items |
| 361 | } |
| 362 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 363 | //oldData := proto.Clone(lDevice.Flows).(*voltha.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 364 | changed := false |
| 365 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 366 | if checkOverlap { |
| 367 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 368 | // TODO: should this error be notified other than being logged? |
| 369 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 370 | } else { |
| 371 | // Add flow |
| 372 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 373 | flows = append(flows, flow) |
| 374 | changed = true |
| 375 | } |
| 376 | } else { |
| 377 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 378 | idx := fu.FindFlows(flows, flow) |
| 379 | if idx >= 0 { |
| 380 | oldFlow := flows[idx] |
| 381 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 382 | flow.ByteCount = oldFlow.ByteCount |
| 383 | flow.PacketCount = oldFlow.PacketCount |
| 384 | } |
| 385 | flows[idx] = flow |
| 386 | } else { |
| 387 | flows = append(flows, flow) |
| 388 | } |
| 389 | changed = true |
| 390 | } |
| 391 | if changed { |
| 392 | // Update model |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 393 | flowsToUpdate := &ofp.Flows{} |
| 394 | if lDevice.Flows != nil { |
| 395 | flowsToUpdate = &ofp.Flows{Items: flows} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 396 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 397 | if err := agent.updateLogicalDeviceFlowsWithoutLock(flowsToUpdate); err != nil { |
| 398 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 399 | return err |
| 400 | } |
| 401 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 402 | //// For now, force the callback to occur |
| 403 | //go agent.flowTableUpdated(oldData, lDevice.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 404 | return nil |
| 405 | } |
| 406 | |
| 407 | //flowDelete deletes a flow from the flow table of that logical device |
| 408 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 409 | log.Debug("flowDelete") |
| 410 | if mod == nil { |
| 411 | return nil |
| 412 | } |
| 413 | agent.lockLogicalDevice.Lock() |
| 414 | defer agent.lockLogicalDevice.Unlock() |
| 415 | |
| 416 | var lDevice *voltha.LogicalDevice |
| 417 | var err error |
| 418 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 419 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 420 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 421 | } |
| 422 | flows := lDevice.Flows.Items |
| 423 | |
| 424 | //build a list of what to keep vs what to delete |
| 425 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 426 | for _, f := range flows { |
| 427 | if !fu.FlowMatchesMod(f, mod) { |
| 428 | toKeep = append(toKeep, f) |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | //Update flows |
| 433 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 434 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 435 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 436 | return err |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | //TODO: send announcement on delete |
| 441 | return nil |
| 442 | } |
| 443 | |
| 444 | //flowStatsDelete deletes a flow from the flow table of that logical device |
| 445 | func (agent *LogicalDeviceAgent) flowStatsDelete(flow *ofp.OfpFlowStats) error { |
| 446 | log.Debug("flowStatsDelete") |
| 447 | if flow == nil { |
| 448 | return nil |
| 449 | } |
| 450 | agent.lockLogicalDevice.Lock() |
| 451 | defer agent.lockLogicalDevice.Unlock() |
| 452 | |
| 453 | var lDevice *voltha.LogicalDevice |
| 454 | var err error |
| 455 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 456 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 457 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 458 | } |
| 459 | flows := lDevice.Flows.Items |
| 460 | |
| 461 | //build a list of what to keep vs what to delete |
| 462 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 463 | for _, f := range flows { |
| 464 | if !fu.FlowMatch(f, flow) { |
| 465 | toKeep = append(toKeep, f) |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | //Update flows |
| 470 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 471 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 472 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 473 | return err |
| 474 | } |
| 475 | } |
| 476 | return nil |
| 477 | } |
| 478 | |
| 479 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 480 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 481 | log.Debug("flowDeleteStrict") |
| 482 | if mod == nil { |
| 483 | return nil |
| 484 | } |
| 485 | agent.lockLogicalDevice.Lock() |
| 486 | defer agent.lockLogicalDevice.Unlock() |
| 487 | |
| 488 | var lDevice *voltha.LogicalDevice |
| 489 | var err error |
| 490 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 491 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 492 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 493 | } |
| 494 | flows := lDevice.Flows.Items |
| 495 | changed := false |
| 496 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 497 | idx := fu.FindFlows(flows, flow) |
| 498 | if idx >= 0 { |
| 499 | flows = append(flows[:idx], flows[idx+1:]...) |
| 500 | changed = true |
| 501 | } else { |
| 502 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 503 | } |
| 504 | |
| 505 | if changed { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 506 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 507 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 508 | return err |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | return nil |
| 513 | } |
| 514 | |
| 515 | //flowModify modifies a flow from the flow table of that logical device |
| 516 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 517 | return errors.New("flowModify not implemented") |
| 518 | } |
| 519 | |
| 520 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 521 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 522 | return errors.New("flowModifyStrict not implemented") |
| 523 | } |
| 524 | |
| 525 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 526 | log.Debug("groupAdd") |
| 527 | if groupMod == nil { |
| 528 | return nil |
| 529 | } |
| 530 | agent.lockLogicalDevice.Lock() |
| 531 | defer agent.lockLogicalDevice.Unlock() |
| 532 | |
| 533 | var lDevice *voltha.LogicalDevice |
| 534 | var err error |
| 535 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 536 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 537 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 538 | } |
| 539 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 540 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
| 541 | groups = append(groups, fd.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 542 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 543 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 544 | return err |
| 545 | } |
| 546 | } else { |
| 547 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 548 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 549 | return nil |
| 550 | } |
| 551 | |
| 552 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 553 | log.Debug("groupDelete") |
| 554 | if groupMod == nil { |
| 555 | return nil |
| 556 | } |
| 557 | agent.lockLogicalDevice.Lock() |
| 558 | defer agent.lockLogicalDevice.Unlock() |
| 559 | |
| 560 | var lDevice *voltha.LogicalDevice |
| 561 | var err error |
| 562 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 563 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 564 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 565 | } |
| 566 | groups := lDevice.FlowGroups.Items |
| 567 | flows := lDevice.Flows.Items |
| 568 | groupsChanged := false |
| 569 | flowsChanged := false |
| 570 | groupId := groupMod.GroupId |
| 571 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 572 | //TODO we must delete all flows that point to this group and |
| 573 | //signal controller as requested by flow's flag |
| 574 | groups = []*ofp.OfpGroupEntry{} |
| 575 | groupsChanged = true |
| 576 | } else { |
| 577 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 578 | return nil // Valid case |
| 579 | } else { |
| 580 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 581 | groups = append(groups[:idx], groups[idx+1:]...) |
| 582 | groupsChanged = true |
| 583 | } |
| 584 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 585 | if groupsChanged { |
| 586 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 587 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 588 | return err |
| 589 | } |
| 590 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 591 | if flowsChanged { |
| 592 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 593 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 594 | return err |
| 595 | } |
| 596 | } |
| 597 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 598 | return nil |
| 599 | } |
| 600 | |
| 601 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 602 | log.Debug("groupModify") |
| 603 | if groupMod == nil { |
| 604 | return nil |
| 605 | } |
| 606 | agent.lockLogicalDevice.Lock() |
| 607 | defer agent.lockLogicalDevice.Unlock() |
| 608 | |
| 609 | var lDevice *voltha.LogicalDevice |
| 610 | var err error |
| 611 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 612 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 613 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 614 | } |
| 615 | groups := lDevice.FlowGroups.Items |
| 616 | groupsChanged := false |
| 617 | groupId := groupMod.GroupId |
| 618 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 619 | return errors.New(fmt.Sprintf("group-absent:%s", groupId)) |
| 620 | } else { |
| 621 | //replace existing group entry with new group definition |
| 622 | groupEntry := fd.GroupEntryFromGroupMod(groupMod) |
| 623 | groups[idx] = groupEntry |
| 624 | groupsChanged = true |
| 625 | } |
| 626 | if groupsChanged { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 627 | //lDevice.FlowGroups.Items = groups |
| 628 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 629 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 630 | return err |
| 631 | } |
| 632 | } |
| 633 | return nil |
| 634 | } |
| 635 | |
| 636 | // deleteLogicalPort removes the logical port |
| 637 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 638 | agent.lockLogicalDevice.Lock() |
| 639 | defer agent.lockLogicalDevice.Unlock() |
| 640 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 641 | // Get the most up to date logical device |
| 642 | var logicaldevice *voltha.LogicalDevice |
| 643 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 644 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 645 | return nil |
| 646 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 647 | index := -1 |
| 648 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 649 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 650 | index = i |
| 651 | break |
| 652 | } |
| 653 | } |
| 654 | if index >= 0 { |
| 655 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 656 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 657 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 658 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 659 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 660 | } |
| 661 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 662 | } |
| 663 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 664 | // enableLogicalPort enables the logical port |
| 665 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 666 | agent.lockLogicalDevice.Lock() |
| 667 | defer agent.lockLogicalDevice.Unlock() |
| 668 | |
| 669 | // Get the most up to date logical device |
| 670 | var logicaldevice *voltha.LogicalDevice |
| 671 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 672 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 673 | return nil |
| 674 | } |
| 675 | index := -1 |
| 676 | for i, logicalPort := range logicaldevice.Ports { |
| 677 | if logicalPort.Id == lPort.Id { |
| 678 | index = i |
| 679 | break |
| 680 | } |
| 681 | } |
| 682 | if index >= 0 { |
| 683 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 684 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 685 | } |
| 686 | //TODO: Trigger subsequent actions on the device |
| 687 | return nil |
| 688 | } |
| 689 | |
| 690 | // disableLogicalPort disabled the logical port |
| 691 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 692 | agent.lockLogicalDevice.Lock() |
| 693 | defer agent.lockLogicalDevice.Unlock() |
| 694 | |
| 695 | // Get the most up to date logical device |
| 696 | var logicaldevice *voltha.LogicalDevice |
| 697 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 698 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 699 | return nil |
| 700 | } |
| 701 | index := -1 |
| 702 | for i, logicalPort := range logicaldevice.Ports { |
| 703 | if logicalPort.Id == lPort.Id { |
| 704 | index = i |
| 705 | break |
| 706 | } |
| 707 | } |
| 708 | if index >= 0 { |
| 709 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 710 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 711 | } |
| 712 | //TODO: Trigger subsequent actions on the device |
| 713 | return nil |
| 714 | } |
| 715 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 716 | func isNNIPort(portNo uint32, nniPortsNo []uint32) bool { |
| 717 | for _, pNo := range nniPortsNo { |
| 718 | if pNo == portNo { |
| 719 | return true |
| 720 | } |
| 721 | } |
| 722 | return false |
| 723 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 724 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 725 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 726 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 727 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 728 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 729 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 730 | return route |
| 731 | } |
| 732 | } |
| 733 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 734 | return nil |
| 735 | } |
| 736 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 737 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 738 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
| 739 | // Get the updated logical device |
| 740 | var ld *ca.LogicalDevice |
| 741 | routes := make([]graph.RouteHop, 0) |
| 742 | var err error |
| 743 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 744 | return nil |
| 745 | } |
| 746 | nniLogicalPortsNo := make([]uint32, 0) |
| 747 | for _, logicalPort := range ld.Ports { |
| 748 | if logicalPort.RootPort { |
| 749 | nniLogicalPortsNo = append(nniLogicalPortsNo, logicalPort.OfpPort.PortNo) |
| 750 | } |
| 751 | } |
| 752 | if len(nniLogicalPortsNo) == 0 { |
| 753 | log.Errorw("no-nni-ports", log.Fields{"LogicalDeviceId": ld.Id}) |
| 754 | return nil |
| 755 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 756 | // Note: A port value of 0 is equivalent to a nil port |
| 757 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 758 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 759 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 760 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 761 | if isNNIPort(ingressPortNo, nniLogicalPortsNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 762 | log.Debug("returning-half-route") |
| 763 | //This is a trap on the NNI Port |
| 764 | //Return a 'half' route to make the flow decomposer logic happy |
| 765 | for routeLink, route := range agent.deviceGraph.Routes { |
| 766 | if isNNIPort(routeLink.Egress, nniLogicalPortsNo) { |
| 767 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 768 | routes = append(routes, route[1]) |
| 769 | return routes |
| 770 | } |
| 771 | } |
| 772 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 773 | return nil |
| 774 | } |
| 775 | //treat it as if the output port is the first NNI of the OLT |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 776 | egressPortNo = nniLogicalPortsNo[0] |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 777 | } |
| 778 | //If ingress port is not specified (nil), it may be a wildcarded |
| 779 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 780 | //in which case we need to create a half-route where only the egress |
| 781 | //hop is filled, the first hop is nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 782 | if ingressPortNo == 0 && isNNIPort(egressPortNo, nniLogicalPortsNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 783 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 784 | for routeLink, route := range agent.deviceGraph.Routes { |
| 785 | if isNNIPort(routeLink.Egress, nniLogicalPortsNo) { |
| 786 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 787 | routes = append(routes, route[1]) |
| 788 | return routes |
| 789 | } |
| 790 | } |
| 791 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 792 | return nil |
| 793 | } |
| 794 | //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] | 795 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 796 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 797 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 798 | routes = append(routes, route[0]) |
| 799 | routes = append(routes, graph.RouteHop{}) |
| 800 | return routes |
| 801 | } |
| 802 | } |
| 803 | log.Warnw("no-downstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 804 | return nil |
| 805 | } |
| 806 | |
| 807 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 808 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | // updateRoutes updates the device routes whenever there is a device or port changes relevant to this |
| 812 | // logical device. TODO: Add more heuristics to this process to update the routes where a change has occurred |
| 813 | // instead of rebuilding the entire set of routes |
| 814 | func (agent *LogicalDeviceAgent) updateRoutes() { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 815 | if ld, err := agent.GetLogicalDevice(); err == nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 816 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | func (agent *LogicalDeviceAgent) rootDeviceDefaultRules() *fu.FlowsAndGroups { |
| 821 | return fu.NewFlowsAndGroups() |
| 822 | } |
| 823 | |
| 824 | func (agent *LogicalDeviceAgent) leafDeviceDefaultRules(deviceId string) *fu.FlowsAndGroups { |
| 825 | fg := fu.NewFlowsAndGroups() |
| 826 | var device *voltha.Device |
| 827 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 828 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 829 | return fg |
| 830 | } |
| 831 | //set the upstream and downstream ports |
| 832 | upstreamPorts := make([]*voltha.Port, 0) |
| 833 | downstreamPorts := make([]*voltha.Port, 0) |
| 834 | for _, port := range device.Ports { |
| 835 | if port.Type == voltha.Port_PON_ONU || port.Type == voltha.Port_VENET_ONU { |
| 836 | upstreamPorts = append(upstreamPorts, port) |
| 837 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 838 | downstreamPorts = append(downstreamPorts, port) |
| 839 | } |
| 840 | } |
| 841 | //it is possible that the downstream ports are not created, but the flow_decomposition has already |
| 842 | //kicked in. In such scenarios, cut short the processing and return. |
| 843 | if len(downstreamPorts) == 0 { |
| 844 | return fg |
| 845 | } |
| 846 | // set up the default flows |
| 847 | var fa *fu.FlowArgs |
| 848 | fa = &fu.FlowArgs{ |
| 849 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 850 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 851 | fd.InPort(downstreamPorts[0].PortNo), |
| 852 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0), |
| 853 | }, |
| 854 | Actions: []*ofp.OfpAction{ |
| 855 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 856 | fd.Output(upstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 857 | }, |
| 858 | } |
| 859 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 860 | |
| 861 | fa = &fu.FlowArgs{ |
| 862 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 863 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 864 | fd.InPort(downstreamPorts[0].PortNo), |
| 865 | fd.VlanVid(0), |
| 866 | }, |
| 867 | Actions: []*ofp.OfpAction{ |
| 868 | fd.PushVlan(0x8100), |
| 869 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
| 870 | fd.Output(upstreamPorts[0].PortNo), |
| 871 | }, |
| 872 | } |
| 873 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 874 | |
| 875 | fa = &fu.FlowArgs{ |
| 876 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 877 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 878 | fd.InPort(upstreamPorts[0].PortNo), |
| 879 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan), |
| 880 | }, |
| 881 | Actions: []*ofp.OfpAction{ |
| 882 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0)), |
| 883 | fd.Output(downstreamPorts[0].PortNo), |
| 884 | }, |
| 885 | } |
| 886 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 887 | |
| 888 | return fg |
| 889 | } |
| 890 | |
| 891 | func (agent *LogicalDeviceAgent) generateDefaultRules() *fu.DeviceRules { |
| 892 | rules := fu.NewDeviceRules() |
| 893 | var ld *voltha.LogicalDevice |
| 894 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 895 | if ld, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 896 | log.Warnw("no-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 897 | return rules |
| 898 | } |
| 899 | |
| 900 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
| 901 | for deviceId, _ := range deviceNodeIds { |
| 902 | if deviceId == ld.RootDeviceId { |
| 903 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
| 904 | } else { |
| 905 | rules.AddFlowsAndGroup(deviceId, agent.leafDeviceDefaultRules(deviceId)) |
| 906 | } |
| 907 | } |
| 908 | return rules |
| 909 | } |
| 910 | |
| 911 | func (agent *LogicalDeviceAgent) GetAllDefaultRules() *fu.DeviceRules { |
| 912 | // Get latest |
| 913 | var lDevice *voltha.LogicalDevice |
| 914 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 915 | if lDevice, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 916 | return fu.NewDeviceRules() |
| 917 | } |
| 918 | if agent.DefaultFlowRules == nil { // Nothing setup yet |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 919 | agent.deviceGraph = graph.NewDeviceGraph(agent.deviceMgr.GetDevice) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 920 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 921 | agent.DefaultFlowRules = agent.generateDefaultRules() |
| 922 | } |
| 923 | return agent.DefaultFlowRules |
| 924 | } |
| 925 | |
| 926 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 927 | lPorts := make([]uint32, 0) |
| 928 | var exclPort uint32 |
| 929 | if len(excludePort) == 1 { |
| 930 | exclPort = excludePort[0] |
| 931 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 932 | if lDevice, _ := agent.GetLogicalDevice(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 933 | for _, port := range lDevice.Ports { |
| 934 | if port.OfpPort.PortNo != exclPort { |
| 935 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 936 | } |
| 937 | } |
| 938 | } |
| 939 | return lPorts |
| 940 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 941 | |
| 942 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 943 | return agent.deviceGraph |
| 944 | } |
| 945 | |
| 946 | //setupDeviceGraph creates the device graph if not done already |
| 947 | func (agent *LogicalDeviceAgent) setupDeviceGraph() { |
| 948 | if agent.deviceGraph == nil { |
| 949 | agent.deviceGraph = graph.NewDeviceGraph(agent.deviceMgr.GetDevice) |
| 950 | agent.updateRoutes() |
| 951 | } |
| 952 | } |
| 953 | |
| 954 | func (agent *LogicalDeviceAgent) flowTableUpdated(args ...interface{}) interface{} { |
| 955 | log.Debugw("flowTableUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 956 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 957 | // Run this callback in it's own go routine since callbacks are not invoked in their own |
| 958 | // go routine |
| 959 | go func(args ...interface{}) interface{} { |
| 960 | //agent.lockLogicalDevice.Lock() |
| 961 | //defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 962 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 963 | var previousData *ofp.Flows |
| 964 | var latestData *ofp.Flows |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 965 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 966 | var ok bool |
| 967 | if previousData, ok = args[0].(*ofp.Flows); !ok { |
| 968 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 969 | } |
| 970 | if latestData, ok = args[1].(*ofp.Flows); !ok { |
| 971 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 972 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 973 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 974 | if reflect.DeepEqual(previousData.Items, latestData.Items) { |
| 975 | log.Debug("flow-update-not-required") |
| 976 | return nil |
| 977 | } |
| 978 | |
| 979 | // Ensure the device graph has been setup |
| 980 | agent.setupDeviceGraph() |
| 981 | |
| 982 | var groups *ofp.FlowGroups |
| 983 | lDevice, _ := agent.getLogicalDeviceWithoutLock() |
| 984 | groups = lDevice.FlowGroups |
| 985 | log.Debugw("flowsinfo", log.Fields{"flows": latestData, "groups": groups}) |
| 986 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *latestData, *groups) |
| 987 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 988 | |
| 989 | for deviceId, value := range deviceRules.GetRules() { |
| 990 | agent.deviceMgr.updateFlows(deviceId, value.ListFlows()) |
| 991 | agent.deviceMgr.updateGroups(deviceId, value.ListGroups()) |
| 992 | } |
| 993 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 994 | return nil |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 995 | }(args...) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 996 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 997 | return nil |
| 998 | } |
| 999 | |
| 1000 | func (agent *LogicalDeviceAgent) groupTableUpdated(args ...interface{}) interface{} { |
| 1001 | log.Debugw("groupTableUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 1002 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1003 | // Run this callback in it's own go routine since callbacks are not invoked in their own |
| 1004 | // go routine |
| 1005 | go func(args ...interface{}) interface{} { |
| 1006 | //agent.lockLogicalDevice.Lock() |
| 1007 | //defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1008 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1009 | var previousData *ofp.FlowGroups |
| 1010 | var latestData *ofp.FlowGroups |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1011 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1012 | var ok bool |
| 1013 | if previousData, ok = args[0].(*ofp.FlowGroups); !ok { |
| 1014 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 1015 | } |
| 1016 | if latestData, ok = args[1].(*ofp.FlowGroups); !ok { |
| 1017 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1018 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1019 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1020 | if reflect.DeepEqual(previousData.Items, latestData.Items) { |
| 1021 | log.Debug("flow-update-not-required") |
| 1022 | return nil |
| 1023 | } |
| 1024 | |
| 1025 | // Ensure the device graph has been setup |
| 1026 | agent.setupDeviceGraph() |
| 1027 | |
| 1028 | var flows *ofp.Flows |
| 1029 | lDevice, _ := agent.getLogicalDeviceWithoutLock() |
| 1030 | flows = lDevice.Flows |
| 1031 | log.Debugw("groupsinfo", log.Fields{"groups": latestData, "flows": flows}) |
| 1032 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *flows, *latestData) |
| 1033 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 1034 | for deviceId, value := range deviceRules.GetRules() { |
| 1035 | agent.deviceMgr.updateFlows(deviceId, value.ListFlows()) |
| 1036 | agent.deviceMgr.updateGroups(deviceId, value.ListGroups()) |
| 1037 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1038 | return nil |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1039 | }(args...) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1040 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1041 | return nil |
| 1042 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1043 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame^] | 1044 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1045 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
| 1046 | outPort := fd.GetPacketOutPort(packet) |
| 1047 | //frame := packet.GetData() |
| 1048 | //TODO: Use a channel between the logical agent and the device agent |
| 1049 | agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet) |
| 1050 | } |
| 1051 | |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1052 | func (agent *LogicalDeviceAgent) packetIn(port uint32, packet []byte) { |
| 1053 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet}) |
| 1054 | packet_in := fd.MkPacketIn(port, packet) |
| 1055 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packet_in}) |
| 1056 | } |