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 | 7923270 | 2018-12-04 11:00:41 -0500 | [diff] [blame] | 25 | ic "github.com/opencord/voltha-go/protos/inter_container" |
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 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 53 | func newLogicalDeviceAgent(id string, deviceId string, ldeviceMgr *LogicalDeviceManager, |
| 54 | deviceMgr *DeviceManager, |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 55 | cdProxy *model.Proxy) *LogicalDeviceAgent { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 56 | var agent LogicalDeviceAgent |
| 57 | agent.exitChannel = make(chan int, 1) |
| 58 | agent.logicalDeviceId = id |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 59 | agent.rootDeviceId = deviceId |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 60 | agent.deviceMgr = deviceMgr |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 61 | agent.clusterDataProxy = cdProxy |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 62 | agent.ldeviceMgr = ldeviceMgr |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 63 | agent.flowDecomposer = fd.NewFlowDecomposer(agent.deviceMgr) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 64 | agent.lockLogicalDevice = sync.RWMutex{} |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 65 | return &agent |
| 66 | } |
| 67 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 68 | // start creates the logical device and add it to the data model |
| 69 | func (agent *LogicalDeviceAgent) start(ctx context.Context) error { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 70 | log.Infow("starting-logical_device-agent", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 71 | //Build the logical device based on information retrieved from the device adapter |
khenaidoo | 7923270 | 2018-12-04 11:00:41 -0500 | [diff] [blame] | 72 | var switchCap *ic.SwitchCapability |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 73 | var err error |
| 74 | if switchCap, err = agent.deviceMgr.getSwitchCapability(ctx, agent.rootDeviceId); err != nil { |
| 75 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 76 | return err |
| 77 | } |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 78 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 79 | ld := &voltha.LogicalDevice{Id: agent.logicalDeviceId, RootDeviceId: agent.rootDeviceId} |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 80 | |
| 81 | // Create the datapath ID (uint64) using the logical device ID (based on the MAC Address) |
| 82 | var datapathID uint64 |
| 83 | if datapathID, err = CreateDataPathId(agent.logicalDeviceId); err != nil { |
| 84 | log.Errorw("error-creating-datapath-id", log.Fields{"error": err}) |
| 85 | return err |
| 86 | } |
| 87 | ld.DatapathId = datapathID |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 88 | ld.Desc = (proto.Clone(switchCap.Desc)).(*ofp.OfpDesc) |
| 89 | ld.SwitchFeatures = (proto.Clone(switchCap.SwitchFeatures)).(*ofp.OfpSwitchFeatures) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 90 | ld.Flows = &ofp.Flows{Items: nil} |
| 91 | ld.FlowGroups = &ofp.FlowGroups{Items: nil} |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 92 | |
| 93 | //Add logical ports to the logical device based on the number of NNI ports discovered |
| 94 | //First get the default port capability - TODO: each NNI port may have different capabilities, |
| 95 | //hence. may need to extract the port by the NNI port id defined by the adapter during device |
| 96 | //creation |
| 97 | var nniPorts *voltha.Ports |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 98 | 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] | 99 | log.Errorw("error-creating-logical-port", log.Fields{"error": err}) |
| 100 | } |
khenaidoo | 7923270 | 2018-12-04 11:00:41 -0500 | [diff] [blame] | 101 | var portCap *ic.PortCapability |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 102 | for _, port := range nniPorts.Items { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 103 | log.Infow("!!!!!!!NNI PORTS", log.Fields{"NNI": port}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 104 | if portCap, err = agent.deviceMgr.getPortCapability(ctx, agent.rootDeviceId, port.PortNo); err != nil { |
| 105 | log.Errorw("error-creating-logical-device", log.Fields{"error": err}) |
| 106 | return err |
| 107 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 108 | portCap.Port.RootPort = true |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 109 | lp := (proto.Clone(portCap.Port)).(*voltha.LogicalPort) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 110 | lp.DeviceId = agent.rootDeviceId |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 111 | lp.Id = fmt.Sprintf("nni-%d", port.PortNo) |
| 112 | lp.OfpPort.PortNo = port.PortNo |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 113 | lp.OfpPort.Name = lp.Id |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 114 | lp.DevicePortNo = port.PortNo |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 115 | ld.Ports = append(ld.Ports, lp) |
| 116 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 117 | agent.lockLogicalDevice.Lock() |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 118 | //defer agent.lockLogicalDevice.Unlock() |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 119 | // Save the logical device |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 120 | if added := agent.clusterDataProxy.AddWithID("/logical_devices", ld.Id, ld, ""); added == nil { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 121 | log.Errorw("failed-to-add-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 122 | } else { |
| 123 | log.Debugw("logicaldevice-created", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 124 | } |
| 125 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 126 | agent.flowProxy = agent.clusterDataProxy.Root.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 127 | fmt.Sprintf("/logical_devices/%s/flows", agent.logicalDeviceId), |
| 128 | false) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 129 | agent.groupProxy = agent.clusterDataProxy.Root.CreateProxy( |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 130 | fmt.Sprintf("/logical_devices/%s/flow_groups", agent.logicalDeviceId), |
| 131 | false) |
| 132 | |
| 133 | agent.flowProxy.RegisterCallback(model.POST_UPDATE, agent.flowTableUpdated) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 134 | agent.groupProxy.RegisterCallback(model.POST_UPDATE, agent.groupTableUpdated) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 135 | |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 136 | agent.lockLogicalDevice.Unlock() |
| 137 | |
| 138 | // Setup the device graph |
| 139 | go agent.setupDeviceGraph() |
| 140 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 141 | return nil |
| 142 | } |
| 143 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 144 | // stop stops the logical devuce agent. This removes the logical device from the data model. |
| 145 | func (agent *LogicalDeviceAgent) stop(ctx context.Context) { |
| 146 | log.Info("stopping-logical_device-agent") |
| 147 | agent.lockLogicalDevice.Lock() |
| 148 | defer agent.lockLogicalDevice.Unlock() |
| 149 | //Remove the logical device from the model |
| 150 | if removed := agent.clusterDataProxy.Remove("/logical_devices/"+agent.logicalDeviceId, ""); removed == nil { |
| 151 | log.Errorw("failed-to-remove-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 152 | } else { |
| 153 | log.Debugw("logicaldevice-removed", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 154 | } |
| 155 | agent.exitChannel <- 1 |
| 156 | log.Info("logical_device-agent-stopped") |
| 157 | } |
| 158 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 159 | // GetLogicalDevice locks the logical device model and then retrieves the latest logical device information |
| 160 | func (agent *LogicalDeviceAgent) GetLogicalDevice() (*voltha.LogicalDevice, error) { |
| 161 | log.Debug("GetLogicalDevice") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 162 | agent.lockLogicalDevice.Lock() |
| 163 | defer agent.lockLogicalDevice.Unlock() |
| 164 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 165 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 166 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 167 | } |
| 168 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 169 | } |
| 170 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 171 | func (agent *LogicalDeviceAgent) ListLogicalDevicePorts() (*voltha.LogicalPorts, error) { |
| 172 | log.Debug("!!!!!ListLogicalDevicePorts") |
| 173 | agent.lockLogicalDevice.Lock() |
| 174 | defer agent.lockLogicalDevice.Unlock() |
| 175 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 176 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 177 | lPorts := make([]*voltha.LogicalPort, 0) |
| 178 | for _, port := range lDevice.Ports { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 179 | lPorts = append(lPorts, port) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 180 | } |
| 181 | return &voltha.LogicalPorts{Items: lPorts}, nil |
| 182 | } |
| 183 | return nil, status.Errorf(codes.NotFound, "logical_device-%s", agent.logicalDeviceId) |
| 184 | } |
| 185 | |
| 186 | // listFlows locks the logical device model and then retrieves the latest flow information |
| 187 | func (agent *LogicalDeviceAgent) listFlows() []*ofp.OfpFlowStats { |
| 188 | log.Debug("listFlows") |
| 189 | agent.lockLogicalDevice.Lock() |
| 190 | defer agent.lockLogicalDevice.Unlock() |
| 191 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 192 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 193 | return lDevice.Flows.Items |
| 194 | } |
| 195 | return nil |
| 196 | } |
| 197 | |
| 198 | // listFlowGroups locks the logical device model and then retrieves the latest flow groups information |
| 199 | func (agent *LogicalDeviceAgent) listFlowGroups() []*ofp.OfpGroupEntry { |
| 200 | log.Debug("listFlowGroups") |
| 201 | agent.lockLogicalDevice.Lock() |
| 202 | defer agent.lockLogicalDevice.Unlock() |
| 203 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 204 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
| 205 | return lDevice.FlowGroups.Items |
| 206 | } |
| 207 | return nil |
| 208 | } |
| 209 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 210 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 211 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowsWithoutLock(flows *ofp.Flows) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 212 | afterUpdate := agent.flowProxy.Update("/", flows, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 213 | if afterUpdate == nil { |
| 214 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flows:%s", agent.logicalDeviceId) |
| 215 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 216 | return nil |
| 217 | } |
| 218 | |
| 219 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 220 | func (agent *LogicalDeviceAgent) updateLogicalDeviceFlowGroupsWithoutLock(flowGroups *ofp.FlowGroups) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 221 | afterUpdate := agent.groupProxy.Update("/", flowGroups, false, "") |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 222 | if afterUpdate == nil { |
| 223 | return status.Errorf(codes.Internal, "failed-updating-logical-device-flow-groups:%s", agent.logicalDeviceId) |
| 224 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 225 | return nil |
| 226 | } |
| 227 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 228 | // getLogicalDeviceWithoutLock retrieves a logical device from the model without locking it. This is used only by |
| 229 | // functions that have already acquired the logical device lock to the model |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 230 | func (agent *LogicalDeviceAgent) getLogicalDeviceWithoutLock() (*voltha.LogicalDevice, error) { |
| 231 | log.Debug("getLogicalDeviceWithoutLock") |
| 232 | logicalDevice := agent.clusterDataProxy.Get("/logical_devices/"+agent.logicalDeviceId, 1, false, "") |
| 233 | if lDevice, ok := logicalDevice.(*voltha.LogicalDevice); ok { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 234 | return lDevice, nil |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 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 |
khenaidoo | 7923270 | 2018-12-04 11:00:41 -0500 | [diff] [blame] | 243 | var portCap *ic.PortCapability |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 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 | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 263 | log.Debugw("adding-uni", log.Fields{"deviceId": childDevice.Id}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 264 | portCap.Port.RootPort = false |
| 265 | //TODO: For now use the channel id assigned by the OLT as logical port number |
| 266 | lPortNo := childDevice.ProxyAddress.ChannelId |
| 267 | portCap.Port.Id = fmt.Sprintf("uni-%d", lPortNo) |
| 268 | portCap.Port.OfpPort.PortNo = lPortNo |
| 269 | portCap.Port.OfpPort.Name = portCap.Port.Id |
| 270 | portCap.Port.DeviceId = childDevice.Id |
| 271 | portCap.Port.DevicePortNo = uniPort |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 272 | portCap.Port.DeviceId = childDevice.Id |
khenaidoo | bcf205b | 2019-01-25 22:21:14 -0500 | [diff] [blame] | 273 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 274 | ldevice.Ports = append(ldevice.Ports, portCap.Port) |
| 275 | return agent.updateLogicalDeviceWithoutLock(ldevice) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 276 | } |
| 277 | } |
| 278 | |
| 279 | //updateLogicalDeviceWithoutLock updates the model with the logical device. It clones the logicaldevice before saving it |
| 280 | func (agent *LogicalDeviceAgent) updateLogicalDeviceWithoutLock(logicalDevice *voltha.LogicalDevice) error { |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 281 | afterUpdate := agent.clusterDataProxy.Update("/logical_devices/"+agent.logicalDeviceId, logicalDevice, false, "") |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 282 | if afterUpdate == nil { |
| 283 | return status.Errorf(codes.Internal, "failed-updating-logical-device:%s", agent.logicalDeviceId) |
| 284 | } |
| 285 | return nil |
| 286 | } |
| 287 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 288 | //updateFlowTable updates the flow table of that logical device |
| 289 | func (agent *LogicalDeviceAgent) updateFlowTable(ctx context.Context, flow *ofp.OfpFlowMod) error { |
| 290 | log.Debug("updateFlowTable") |
| 291 | if flow == nil { |
| 292 | return nil |
| 293 | } |
| 294 | switch flow.GetCommand() { |
| 295 | case ofp.OfpFlowModCommand_OFPFC_ADD: |
| 296 | return agent.flowAdd(flow) |
| 297 | case ofp.OfpFlowModCommand_OFPFC_DELETE: |
| 298 | return agent.flowDelete(flow) |
| 299 | case ofp.OfpFlowModCommand_OFPFC_DELETE_STRICT: |
| 300 | return agent.flowDeleteStrict(flow) |
| 301 | case ofp.OfpFlowModCommand_OFPFC_MODIFY: |
| 302 | return agent.flowModify(flow) |
| 303 | case ofp.OfpFlowModCommand_OFPFC_MODIFY_STRICT: |
| 304 | return agent.flowModifyStrict(flow) |
| 305 | } |
| 306 | return status.Errorf(codes.Internal, |
| 307 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, flow.GetCommand()) |
| 308 | } |
| 309 | |
| 310 | //updateGroupTable updates the group table of that logical device |
| 311 | func (agent *LogicalDeviceAgent) updateGroupTable(ctx context.Context, groupMod *ofp.OfpGroupMod) error { |
| 312 | log.Debug("updateGroupTable") |
| 313 | if groupMod == nil { |
| 314 | return nil |
| 315 | } |
| 316 | switch groupMod.GetCommand() { |
| 317 | case ofp.OfpGroupModCommand_OFPGC_ADD: |
| 318 | return agent.groupAdd(groupMod) |
| 319 | case ofp.OfpGroupModCommand_OFPGC_DELETE: |
| 320 | return agent.groupDelete(groupMod) |
| 321 | case ofp.OfpGroupModCommand_OFPGC_MODIFY: |
| 322 | return agent.groupModify(groupMod) |
| 323 | } |
| 324 | return status.Errorf(codes.Internal, |
| 325 | "unhandled-command: lDeviceId:%s, command:%s", agent.logicalDeviceId, groupMod.GetCommand()) |
| 326 | } |
| 327 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 328 | //updateFlowGroupsWithoutLock updates the flows in the logical device without locking the logical device. This function |
| 329 | //must only be called by a function that is holding the lock on the logical device |
| 330 | func (agent *LogicalDeviceAgent) updateFlowGroupsWithoutLock(groups []*ofp.OfpGroupEntry) error { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 331 | groupsCloned := make([]*ofp.OfpGroupEntry, len(groups)) |
| 332 | copy(groupsCloned, groups) |
| 333 | if afterUpdate := agent.groupProxy.Update("/", groupsCloned, true, ""); afterUpdate == nil { |
| 334 | return errors.New(fmt.Sprintf("update-flow-group-failed:%s", agent.logicalDeviceId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 335 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 336 | return nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | //flowAdd adds a flow to the flow table of that logical device |
| 340 | func (agent *LogicalDeviceAgent) flowAdd(mod *ofp.OfpFlowMod) error { |
| 341 | log.Debug("flowAdd") |
| 342 | if mod == nil { |
| 343 | return nil |
| 344 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 345 | agent.lockLogicalDevice.Lock() |
| 346 | defer agent.lockLogicalDevice.Unlock() |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 347 | |
| 348 | var lDevice *voltha.LogicalDevice |
| 349 | var err error |
| 350 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 351 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 352 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 353 | } |
| 354 | |
| 355 | var flows []*ofp.OfpFlowStats |
| 356 | if lDevice.Flows != nil && lDevice.Flows.Items != nil { |
| 357 | flows = lDevice.Flows.Items |
| 358 | } |
| 359 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 360 | //oldData := proto.Clone(lDevice.Flows).(*voltha.Flows) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 361 | changed := false |
| 362 | checkOverlap := (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_CHECK_OVERLAP)) != 0 |
| 363 | if checkOverlap { |
| 364 | if overlapped := fu.FindOverlappingFlows(flows, mod); len(overlapped) != 0 { |
| 365 | // TODO: should this error be notified other than being logged? |
| 366 | log.Warnw("overlapped-flows", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 367 | } else { |
| 368 | // Add flow |
| 369 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 370 | flows = append(flows, flow) |
| 371 | changed = true |
| 372 | } |
| 373 | } else { |
| 374 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 375 | idx := fu.FindFlows(flows, flow) |
| 376 | if idx >= 0 { |
| 377 | oldFlow := flows[idx] |
| 378 | if (mod.Flags & uint32(ofp.OfpFlowModFlags_OFPFF_RESET_COUNTS)) != 0 { |
| 379 | flow.ByteCount = oldFlow.ByteCount |
| 380 | flow.PacketCount = oldFlow.PacketCount |
| 381 | } |
| 382 | flows[idx] = flow |
| 383 | } else { |
| 384 | flows = append(flows, flow) |
| 385 | } |
| 386 | changed = true |
| 387 | } |
| 388 | if changed { |
| 389 | // Update model |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 390 | flowsToUpdate := &ofp.Flows{} |
| 391 | if lDevice.Flows != nil { |
| 392 | flowsToUpdate = &ofp.Flows{Items: flows} |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 393 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 394 | if err := agent.updateLogicalDeviceFlowsWithoutLock(flowsToUpdate); err != nil { |
| 395 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 396 | return err |
| 397 | } |
| 398 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 399 | return nil |
| 400 | } |
| 401 | |
| 402 | //flowDelete deletes a flow from the flow table of that logical device |
| 403 | func (agent *LogicalDeviceAgent) flowDelete(mod *ofp.OfpFlowMod) error { |
| 404 | log.Debug("flowDelete") |
| 405 | if mod == nil { |
| 406 | return nil |
| 407 | } |
| 408 | agent.lockLogicalDevice.Lock() |
| 409 | defer agent.lockLogicalDevice.Unlock() |
| 410 | |
| 411 | var lDevice *voltha.LogicalDevice |
| 412 | var err error |
| 413 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 414 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 415 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 416 | } |
| 417 | flows := lDevice.Flows.Items |
| 418 | |
| 419 | //build a list of what to keep vs what to delete |
| 420 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 421 | for _, f := range flows { |
| 422 | if !fu.FlowMatchesMod(f, mod) { |
| 423 | toKeep = append(toKeep, f) |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | //Update flows |
| 428 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 429 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
| 430 | log.Errorw("Cannot-update-flows", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 431 | return err |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | //TODO: send announcement on delete |
| 436 | return nil |
| 437 | } |
| 438 | |
| 439 | //flowStatsDelete deletes a flow from the flow table of that logical device |
| 440 | func (agent *LogicalDeviceAgent) flowStatsDelete(flow *ofp.OfpFlowStats) error { |
| 441 | log.Debug("flowStatsDelete") |
| 442 | if flow == nil { |
| 443 | return nil |
| 444 | } |
| 445 | agent.lockLogicalDevice.Lock() |
| 446 | defer agent.lockLogicalDevice.Unlock() |
| 447 | |
| 448 | var lDevice *voltha.LogicalDevice |
| 449 | var err error |
| 450 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 451 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 452 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 453 | } |
| 454 | flows := lDevice.Flows.Items |
| 455 | |
| 456 | //build a list of what to keep vs what to delete |
| 457 | toKeep := make([]*ofp.OfpFlowStats, 0) |
| 458 | for _, f := range flows { |
| 459 | if !fu.FlowMatch(f, flow) { |
| 460 | toKeep = append(toKeep, f) |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | //Update flows |
| 465 | if len(toKeep) < len(flows) { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 466 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: toKeep}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 467 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 468 | return err |
| 469 | } |
| 470 | } |
| 471 | return nil |
| 472 | } |
| 473 | |
| 474 | //flowDeleteStrict deletes a flow from the flow table of that logical device |
| 475 | func (agent *LogicalDeviceAgent) flowDeleteStrict(mod *ofp.OfpFlowMod) error { |
| 476 | log.Debug("flowDeleteStrict") |
| 477 | if mod == nil { |
| 478 | return nil |
| 479 | } |
| 480 | agent.lockLogicalDevice.Lock() |
| 481 | defer agent.lockLogicalDevice.Unlock() |
| 482 | |
| 483 | var lDevice *voltha.LogicalDevice |
| 484 | var err error |
| 485 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 486 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 487 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 488 | } |
| 489 | flows := lDevice.Flows.Items |
| 490 | changed := false |
| 491 | flow := fd.FlowStatsEntryFromFlowModMessage(mod) |
| 492 | idx := fu.FindFlows(flows, flow) |
| 493 | if idx >= 0 { |
| 494 | flows = append(flows[:idx], flows[idx+1:]...) |
| 495 | changed = true |
| 496 | } else { |
| 497 | return errors.New(fmt.Sprintf("Cannot delete flow - %s", flow)) |
| 498 | } |
| 499 | |
| 500 | if changed { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 501 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 502 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 503 | return err |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | return nil |
| 508 | } |
| 509 | |
| 510 | //flowModify modifies a flow from the flow table of that logical device |
| 511 | func (agent *LogicalDeviceAgent) flowModify(mod *ofp.OfpFlowMod) error { |
| 512 | return errors.New("flowModify not implemented") |
| 513 | } |
| 514 | |
| 515 | //flowModifyStrict deletes a flow from the flow table of that logical device |
| 516 | func (agent *LogicalDeviceAgent) flowModifyStrict(mod *ofp.OfpFlowMod) error { |
| 517 | return errors.New("flowModifyStrict not implemented") |
| 518 | } |
| 519 | |
| 520 | func (agent *LogicalDeviceAgent) groupAdd(groupMod *ofp.OfpGroupMod) error { |
| 521 | log.Debug("groupAdd") |
| 522 | if groupMod == nil { |
| 523 | return nil |
| 524 | } |
| 525 | agent.lockLogicalDevice.Lock() |
| 526 | defer agent.lockLogicalDevice.Unlock() |
| 527 | |
| 528 | var lDevice *voltha.LogicalDevice |
| 529 | var err error |
| 530 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 531 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 532 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 533 | } |
| 534 | groups := lDevice.FlowGroups.Items |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 535 | if fu.FindGroup(groups, groupMod.GroupId) == -1 { |
| 536 | groups = append(groups, fd.GroupEntryFromGroupMod(groupMod)) |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 537 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 538 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 539 | return err |
| 540 | } |
| 541 | } else { |
| 542 | return errors.New(fmt.Sprintf("Groups %d already present", groupMod.GroupId)) |
| 543 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 544 | return nil |
| 545 | } |
| 546 | |
| 547 | func (agent *LogicalDeviceAgent) groupDelete(groupMod *ofp.OfpGroupMod) error { |
| 548 | log.Debug("groupDelete") |
| 549 | if groupMod == nil { |
| 550 | return nil |
| 551 | } |
| 552 | agent.lockLogicalDevice.Lock() |
| 553 | defer agent.lockLogicalDevice.Unlock() |
| 554 | |
| 555 | var lDevice *voltha.LogicalDevice |
| 556 | var err error |
| 557 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 558 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 559 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 560 | } |
| 561 | groups := lDevice.FlowGroups.Items |
| 562 | flows := lDevice.Flows.Items |
| 563 | groupsChanged := false |
| 564 | flowsChanged := false |
| 565 | groupId := groupMod.GroupId |
| 566 | if groupId == uint32(ofp.OfpGroup_OFPG_ALL) { |
| 567 | //TODO we must delete all flows that point to this group and |
| 568 | //signal controller as requested by flow's flag |
| 569 | groups = []*ofp.OfpGroupEntry{} |
| 570 | groupsChanged = true |
| 571 | } else { |
| 572 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
| 573 | return nil // Valid case |
| 574 | } else { |
| 575 | flowsChanged, flows = fu.FlowsDeleteByGroupId(flows, groupId) |
| 576 | groups = append(groups[:idx], groups[idx+1:]...) |
| 577 | groupsChanged = true |
| 578 | } |
| 579 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 580 | if groupsChanged { |
| 581 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
| 582 | log.Errorw("Cannot-update-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 583 | return err |
| 584 | } |
| 585 | } |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 586 | if flowsChanged { |
| 587 | if err := agent.updateLogicalDeviceFlowsWithoutLock(&ofp.Flows{Items: flows}); err != nil { |
| 588 | log.Errorw("Cannot-update-flow", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 589 | return err |
| 590 | } |
| 591 | } |
| 592 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 593 | return nil |
| 594 | } |
| 595 | |
| 596 | func (agent *LogicalDeviceAgent) groupModify(groupMod *ofp.OfpGroupMod) error { |
| 597 | log.Debug("groupModify") |
| 598 | if groupMod == nil { |
| 599 | return nil |
| 600 | } |
| 601 | agent.lockLogicalDevice.Lock() |
| 602 | defer agent.lockLogicalDevice.Unlock() |
| 603 | |
| 604 | var lDevice *voltha.LogicalDevice |
| 605 | var err error |
| 606 | if lDevice, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 607 | log.Errorw("no-logical-device-present", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 608 | return errors.New(fmt.Sprintf("no-logical-device-present:%s", agent.logicalDeviceId)) |
| 609 | } |
| 610 | groups := lDevice.FlowGroups.Items |
| 611 | groupsChanged := false |
| 612 | groupId := groupMod.GroupId |
| 613 | if idx := fu.FindGroup(groups, groupId); idx == -1 { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 614 | return errors.New(fmt.Sprintf("group-absent:%d", groupId)) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 615 | } else { |
| 616 | //replace existing group entry with new group definition |
| 617 | groupEntry := fd.GroupEntryFromGroupMod(groupMod) |
| 618 | groups[idx] = groupEntry |
| 619 | groupsChanged = true |
| 620 | } |
| 621 | if groupsChanged { |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 622 | //lDevice.FlowGroups.Items = groups |
| 623 | if err := agent.updateLogicalDeviceFlowGroupsWithoutLock(&ofp.FlowGroups{Items: groups}); err != nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 624 | log.Errorw("Cannot-update-logical-group", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 625 | return err |
| 626 | } |
| 627 | } |
| 628 | return nil |
| 629 | } |
| 630 | |
| 631 | // deleteLogicalPort removes the logical port |
| 632 | func (agent *LogicalDeviceAgent) deleteLogicalPort(lPort *voltha.LogicalPort) error { |
| 633 | agent.lockLogicalDevice.Lock() |
| 634 | defer agent.lockLogicalDevice.Unlock() |
| 635 | |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 636 | // Get the most up to date logical device |
| 637 | var logicaldevice *voltha.LogicalDevice |
| 638 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 639 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 640 | return nil |
| 641 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 642 | index := -1 |
| 643 | for i, logicalPort := range logicaldevice.Ports { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 644 | if logicalPort.Id == lPort.Id { |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 645 | index = i |
| 646 | break |
| 647 | } |
| 648 | } |
| 649 | if index >= 0 { |
| 650 | copy(logicaldevice.Ports[index:], logicaldevice.Ports[index+1:]) |
| 651 | logicaldevice.Ports[len(logicaldevice.Ports)-1] = nil |
| 652 | logicaldevice.Ports = logicaldevice.Ports[:len(logicaldevice.Ports)-1] |
| 653 | log.Debugw("logical-port-deleted", log.Fields{"logicalDeviceId": agent.logicalDeviceId}) |
| 654 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 655 | } |
| 656 | return nil |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 657 | } |
| 658 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 659 | // enableLogicalPort enables the logical port |
| 660 | func (agent *LogicalDeviceAgent) enableLogicalPort(lPort *voltha.LogicalPort) error { |
| 661 | agent.lockLogicalDevice.Lock() |
| 662 | defer agent.lockLogicalDevice.Unlock() |
| 663 | |
| 664 | // Get the most up to date logical device |
| 665 | var logicaldevice *voltha.LogicalDevice |
| 666 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 667 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 668 | return nil |
| 669 | } |
| 670 | index := -1 |
| 671 | for i, logicalPort := range logicaldevice.Ports { |
| 672 | if logicalPort.Id == lPort.Id { |
| 673 | index = i |
| 674 | break |
| 675 | } |
| 676 | } |
| 677 | if index >= 0 { |
| 678 | logicaldevice.Ports[index].OfpPort.Config = logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 679 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 680 | } |
| 681 | //TODO: Trigger subsequent actions on the device |
| 682 | return nil |
| 683 | } |
| 684 | |
| 685 | // disableLogicalPort disabled the logical port |
| 686 | func (agent *LogicalDeviceAgent) disableLogicalPort(lPort *voltha.LogicalPort) error { |
| 687 | agent.lockLogicalDevice.Lock() |
| 688 | defer agent.lockLogicalDevice.Unlock() |
| 689 | |
| 690 | // Get the most up to date logical device |
| 691 | var logicaldevice *voltha.LogicalDevice |
| 692 | if logicaldevice, _ = agent.getLogicalDeviceWithoutLock(); logicaldevice == nil { |
| 693 | log.Debugw("no-logical-device", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "logicalPortId": lPort.Id}) |
| 694 | return nil |
| 695 | } |
| 696 | index := -1 |
| 697 | for i, logicalPort := range logicaldevice.Ports { |
| 698 | if logicalPort.Id == lPort.Id { |
| 699 | index = i |
| 700 | break |
| 701 | } |
| 702 | } |
| 703 | if index >= 0 { |
| 704 | logicaldevice.Ports[index].OfpPort.Config = (logicaldevice.Ports[index].OfpPort.Config & ^uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN)) | uint32(ofp.OfpPortConfig_OFPPC_PORT_DOWN) |
| 705 | return agent.updateLogicalDeviceWithoutLock(logicaldevice) |
| 706 | } |
| 707 | //TODO: Trigger subsequent actions on the device |
| 708 | return nil |
| 709 | } |
| 710 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 711 | func isNNIPort(portNo uint32, nniPortsNo []uint32) bool { |
| 712 | for _, pNo := range nniPortsNo { |
| 713 | if pNo == portNo { |
| 714 | return true |
| 715 | } |
| 716 | } |
| 717 | return false |
| 718 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 719 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 720 | func (agent *LogicalDeviceAgent) getPreCalculatedRoute(ingress, egress uint32) []graph.RouteHop { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 721 | log.Debugw("ROUTE", log.Fields{"len": len(agent.deviceGraph.Routes)}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 722 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 723 | log.Debugw("ROUTELINKS", log.Fields{"ingress": ingress, "egress": egress, "routelink": routeLink}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 724 | if ingress == routeLink.Ingress && egress == routeLink.Egress { |
| 725 | return route |
| 726 | } |
| 727 | } |
| 728 | log.Warnw("no-route", log.Fields{"logicalDeviceId": agent.logicalDeviceId, "ingress": ingress, "egress": egress}) |
| 729 | return nil |
| 730 | } |
| 731 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 732 | func (agent *LogicalDeviceAgent) GetRoute(ingressPortNo uint32, egressPortNo uint32) []graph.RouteHop { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 733 | log.Debugw("getting-route", log.Fields{"ingress-port": ingressPortNo, "egress-port": egressPortNo}) |
| 734 | // Get the updated logical device |
khenaidoo | 7923270 | 2018-12-04 11:00:41 -0500 | [diff] [blame] | 735 | var ld *ic.LogicalDevice |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 736 | routes := make([]graph.RouteHop, 0) |
| 737 | var err error |
| 738 | if ld, err = agent.getLogicalDeviceWithoutLock(); err != nil { |
| 739 | return nil |
| 740 | } |
| 741 | nniLogicalPortsNo := make([]uint32, 0) |
| 742 | for _, logicalPort := range ld.Ports { |
| 743 | if logicalPort.RootPort { |
| 744 | nniLogicalPortsNo = append(nniLogicalPortsNo, logicalPort.OfpPort.PortNo) |
| 745 | } |
| 746 | } |
| 747 | if len(nniLogicalPortsNo) == 0 { |
| 748 | log.Errorw("no-nni-ports", log.Fields{"LogicalDeviceId": ld.Id}) |
| 749 | return nil |
| 750 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 751 | // Note: A port value of 0 is equivalent to a nil port |
| 752 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 753 | // Consider different possibilities |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 754 | if egressPortNo != 0 && ((egressPortNo & 0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER)) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 755 | log.Debugw("controller-flow", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 756 | if isNNIPort(ingressPortNo, nniLogicalPortsNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 757 | log.Debug("returning-half-route") |
| 758 | //This is a trap on the NNI Port |
| 759 | //Return a 'half' route to make the flow decomposer logic happy |
| 760 | for routeLink, route := range agent.deviceGraph.Routes { |
| 761 | if isNNIPort(routeLink.Egress, nniLogicalPortsNo) { |
| 762 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 763 | routes = append(routes, route[1]) |
| 764 | return routes |
| 765 | } |
| 766 | } |
| 767 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 768 | return nil |
| 769 | } |
| 770 | //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] | 771 | egressPortNo = nniLogicalPortsNo[0] |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 772 | } |
| 773 | //If ingress port is not specified (nil), it may be a wildcarded |
| 774 | //route if egress port is OFPP_CONTROLLER or a nni logical port, |
| 775 | //in which case we need to create a half-route where only the egress |
| 776 | //hop is filled, the first hop is nil |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 777 | if ingressPortNo == 0 && isNNIPort(egressPortNo, nniLogicalPortsNo) { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 778 | // We can use the 2nd hop of any upstream route, so just find the first upstream: |
| 779 | for routeLink, route := range agent.deviceGraph.Routes { |
| 780 | if isNNIPort(routeLink.Egress, nniLogicalPortsNo) { |
| 781 | routes = append(routes, graph.RouteHop{}) // first hop is set to empty |
| 782 | routes = append(routes, route[1]) |
| 783 | return routes |
| 784 | } |
| 785 | } |
| 786 | log.Warnw("no-upstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 787 | return nil |
| 788 | } |
| 789 | //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] | 790 | if egressPortNo == 0 { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 791 | for routeLink, route := range agent.deviceGraph.Routes { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 792 | if routeLink.Ingress == ingressPortNo { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 793 | routes = append(routes, route[0]) |
| 794 | routes = append(routes, graph.RouteHop{}) |
| 795 | return routes |
| 796 | } |
| 797 | } |
| 798 | log.Warnw("no-downstream-route", log.Fields{"ingressPortNo": ingressPortNo, "egressPortNo": egressPortNo, "nniPortsNo": nniLogicalPortsNo}) |
| 799 | return nil |
| 800 | } |
| 801 | |
| 802 | // Return the pre-calculated route |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 803 | return agent.getPreCalculatedRoute(ingressPortNo, egressPortNo) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | // updateRoutes updates the device routes whenever there is a device or port changes relevant to this |
| 807 | // logical device. TODO: Add more heuristics to this process to update the routes where a change has occurred |
| 808 | // instead of rebuilding the entire set of routes |
| 809 | func (agent *LogicalDeviceAgent) updateRoutes() { |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 810 | if ld, err := agent.GetLogicalDevice(); err == nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 811 | agent.deviceGraph.ComputeRoutes(ld.Ports) |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | func (agent *LogicalDeviceAgent) rootDeviceDefaultRules() *fu.FlowsAndGroups { |
| 816 | return fu.NewFlowsAndGroups() |
| 817 | } |
| 818 | |
| 819 | func (agent *LogicalDeviceAgent) leafDeviceDefaultRules(deviceId string) *fu.FlowsAndGroups { |
| 820 | fg := fu.NewFlowsAndGroups() |
| 821 | var device *voltha.Device |
| 822 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 823 | if device, err = agent.deviceMgr.GetDevice(deviceId); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 824 | return fg |
| 825 | } |
| 826 | //set the upstream and downstream ports |
| 827 | upstreamPorts := make([]*voltha.Port, 0) |
| 828 | downstreamPorts := make([]*voltha.Port, 0) |
| 829 | for _, port := range device.Ports { |
| 830 | if port.Type == voltha.Port_PON_ONU || port.Type == voltha.Port_VENET_ONU { |
| 831 | upstreamPorts = append(upstreamPorts, port) |
| 832 | } else if port.Type == voltha.Port_ETHERNET_UNI { |
| 833 | downstreamPorts = append(downstreamPorts, port) |
| 834 | } |
| 835 | } |
| 836 | //it is possible that the downstream ports are not created, but the flow_decomposition has already |
| 837 | //kicked in. In such scenarios, cut short the processing and return. |
| 838 | if len(downstreamPorts) == 0 { |
| 839 | return fg |
| 840 | } |
| 841 | // set up the default flows |
| 842 | var fa *fu.FlowArgs |
| 843 | fa = &fu.FlowArgs{ |
| 844 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 845 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 846 | fd.InPort(downstreamPorts[0].PortNo), |
| 847 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0), |
| 848 | }, |
| 849 | Actions: []*ofp.OfpAction{ |
| 850 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 851 | fd.Output(upstreamPorts[0].PortNo), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 852 | }, |
| 853 | } |
| 854 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 855 | |
| 856 | fa = &fu.FlowArgs{ |
| 857 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 858 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 859 | fd.InPort(downstreamPorts[0].PortNo), |
| 860 | fd.VlanVid(0), |
| 861 | }, |
| 862 | Actions: []*ofp.OfpAction{ |
| 863 | fd.PushVlan(0x8100), |
| 864 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan)), |
| 865 | fd.Output(upstreamPorts[0].PortNo), |
| 866 | }, |
| 867 | } |
| 868 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 869 | |
| 870 | fa = &fu.FlowArgs{ |
| 871 | KV: fu.OfpFlowModArgs{"priority": 500}, |
| 872 | MatchFields: []*ofp.OfpOxmOfbField{ |
| 873 | fd.InPort(upstreamPorts[0].PortNo), |
| 874 | fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | device.Vlan), |
| 875 | }, |
| 876 | Actions: []*ofp.OfpAction{ |
| 877 | fd.SetField(fd.VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 0)), |
| 878 | fd.Output(downstreamPorts[0].PortNo), |
| 879 | }, |
| 880 | } |
| 881 | fg.AddFlow(fd.MkFlowStat(fa)) |
| 882 | |
| 883 | return fg |
| 884 | } |
| 885 | |
| 886 | func (agent *LogicalDeviceAgent) generateDefaultRules() *fu.DeviceRules { |
| 887 | rules := fu.NewDeviceRules() |
| 888 | var ld *voltha.LogicalDevice |
| 889 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 890 | if ld, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 891 | log.Warnw("no-logical-device", log.Fields{"logicaldeviceId": agent.logicalDeviceId}) |
| 892 | return rules |
| 893 | } |
| 894 | |
| 895 | deviceNodeIds := agent.deviceGraph.GetDeviceNodeIds() |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 896 | for deviceId := range deviceNodeIds { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 897 | if deviceId == ld.RootDeviceId { |
| 898 | rules.AddFlowsAndGroup(deviceId, agent.rootDeviceDefaultRules()) |
| 899 | } else { |
| 900 | rules.AddFlowsAndGroup(deviceId, agent.leafDeviceDefaultRules(deviceId)) |
| 901 | } |
| 902 | } |
| 903 | return rules |
| 904 | } |
| 905 | |
| 906 | func (agent *LogicalDeviceAgent) GetAllDefaultRules() *fu.DeviceRules { |
| 907 | // Get latest |
| 908 | var lDevice *voltha.LogicalDevice |
| 909 | var err error |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 910 | if lDevice, err = agent.GetLogicalDevice(); err != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 911 | return fu.NewDeviceRules() |
| 912 | } |
| 913 | if agent.DefaultFlowRules == nil { // Nothing setup yet |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 914 | agent.deviceGraph = graph.NewDeviceGraph(agent.deviceMgr.GetDevice) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 915 | agent.deviceGraph.ComputeRoutes(lDevice.Ports) |
| 916 | agent.DefaultFlowRules = agent.generateDefaultRules() |
| 917 | } |
| 918 | return agent.DefaultFlowRules |
| 919 | } |
| 920 | |
| 921 | func (agent *LogicalDeviceAgent) GetWildcardInputPorts(excludePort ...uint32) []uint32 { |
| 922 | lPorts := make([]uint32, 0) |
| 923 | var exclPort uint32 |
| 924 | if len(excludePort) == 1 { |
| 925 | exclPort = excludePort[0] |
| 926 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 927 | if lDevice, _ := agent.GetLogicalDevice(); lDevice != nil { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 928 | for _, port := range lDevice.Ports { |
| 929 | if port.OfpPort.PortNo != exclPort { |
| 930 | lPorts = append(lPorts, port.OfpPort.PortNo) |
| 931 | } |
| 932 | } |
| 933 | } |
| 934 | return lPorts |
| 935 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 936 | |
| 937 | func (agent *LogicalDeviceAgent) GetDeviceGraph() *graph.DeviceGraph { |
| 938 | return agent.deviceGraph |
| 939 | } |
| 940 | |
| 941 | //setupDeviceGraph creates the device graph if not done already |
| 942 | func (agent *LogicalDeviceAgent) setupDeviceGraph() { |
| 943 | if agent.deviceGraph == nil { |
| 944 | agent.deviceGraph = graph.NewDeviceGraph(agent.deviceMgr.GetDevice) |
| 945 | agent.updateRoutes() |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | func (agent *LogicalDeviceAgent) flowTableUpdated(args ...interface{}) interface{} { |
| 950 | log.Debugw("flowTableUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 951 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 952 | var previousData *ofp.Flows |
| 953 | var latestData *ofp.Flows |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 954 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 955 | var ok bool |
| 956 | if previousData, ok = args[0].(*ofp.Flows); !ok { |
| 957 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 958 | } |
| 959 | if latestData, ok = args[1].(*ofp.Flows); !ok { |
| 960 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 961 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 962 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 963 | if reflect.DeepEqual(previousData.Items, latestData.Items) { |
| 964 | log.Debug("flow-update-not-required") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 965 | return nil |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 966 | } |
| 967 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 968 | var groups *ofp.FlowGroups |
| 969 | lDevice, _ := agent.getLogicalDeviceWithoutLock() |
| 970 | groups = lDevice.FlowGroups |
| 971 | log.Debugw("flowsinfo", log.Fields{"flows": latestData, "groups": groups}) |
| 972 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *latestData, *groups) |
| 973 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
| 974 | |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 975 | var err error |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 976 | for deviceId, value := range deviceRules.GetRules() { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 977 | if err = agent.deviceMgr.updateFlows(deviceId, value.ListFlows()); err != nil { |
| 978 | log.Error("update-flows-failed", log.Fields{"deviceID":deviceId}) |
| 979 | } |
| 980 | if err = agent.deviceMgr.updateGroups(deviceId, value.ListGroups()); err != nil { |
| 981 | log.Error("update-groups-failed", log.Fields{"deviceID":deviceId}) |
| 982 | } |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 983 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 984 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 985 | return nil |
| 986 | } |
| 987 | |
| 988 | func (agent *LogicalDeviceAgent) groupTableUpdated(args ...interface{}) interface{} { |
| 989 | log.Debugw("groupTableUpdated-callback", log.Fields{"argsLen": len(args)}) |
| 990 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 991 | var previousData *ofp.FlowGroups |
| 992 | var latestData *ofp.FlowGroups |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 993 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 994 | var ok bool |
| 995 | if previousData, ok = args[0].(*ofp.FlowGroups); !ok { |
| 996 | log.Errorw("invalid-args", log.Fields{"args0": args[0]}) |
| 997 | } |
| 998 | if latestData, ok = args[1].(*ofp.FlowGroups); !ok { |
| 999 | log.Errorw("invalid-args", log.Fields{"args1": args[1]}) |
| 1000 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1001 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1002 | if reflect.DeepEqual(previousData.Items, latestData.Items) { |
| 1003 | log.Debug("flow-update-not-required") |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1004 | return nil |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1005 | } |
| 1006 | |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1007 | var flows *ofp.Flows |
| 1008 | lDevice, _ := agent.getLogicalDeviceWithoutLock() |
| 1009 | flows = lDevice.Flows |
| 1010 | log.Debugw("groupsinfo", log.Fields{"groups": latestData, "flows": flows}) |
| 1011 | deviceRules := agent.flowDecomposer.DecomposeRules(agent, *flows, *latestData) |
| 1012 | log.Debugw("rules", log.Fields{"rules": deviceRules.String()}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1013 | var err error |
Stephane Barbarie | 1ab4327 | 2018-12-08 21:42:13 -0500 | [diff] [blame] | 1014 | for deviceId, value := range deviceRules.GetRules() { |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1015 | if err = agent.deviceMgr.updateFlows(deviceId, value.ListFlows()); err != nil { |
| 1016 | log.Error("update-flows-failed", log.Fields{"deviceID":deviceId}) |
| 1017 | } |
| 1018 | if err = agent.deviceMgr.updateGroups(deviceId, value.ListGroups()); err != nil { |
| 1019 | log.Error("update-groups-failed", log.Fields{"deviceID":deviceId}) |
| 1020 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1021 | |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1022 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 1023 | return nil |
| 1024 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1025 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 1026 | func (agent *LogicalDeviceAgent) packetOut(packet *ofp.OfpPacketOut) { |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1027 | log.Debugw("packet-out", log.Fields{"packet": packet.GetInPort()}) |
| 1028 | outPort := fd.GetPacketOutPort(packet) |
| 1029 | //frame := packet.GetData() |
| 1030 | //TODO: Use a channel between the logical agent and the device agent |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1031 | if err := agent.deviceMgr.packetOut(agent.rootDeviceId, outPort, packet); err != nil { |
| 1032 | log.Error("packetout-failed", log.Fields{"logicalDeviceID":agent.rootDeviceId}) |
| 1033 | } |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1034 | } |
| 1035 | |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1036 | func (agent *LogicalDeviceAgent) packetIn(port uint32, packet []byte) { |
| 1037 | log.Debugw("packet-in", log.Fields{"port": port, "packet": packet}) |
khenaidoo | ca30132 | 2019-01-09 23:06:32 -0500 | [diff] [blame] | 1038 | packetIn := fd.MkPacketIn(port, packet) |
| 1039 | agent.ldeviceMgr.grpcNbiHdlr.sendPacketIn(agent.logicalDeviceId, packetIn) |
| 1040 | log.Debugw("sending-packet-in", log.Fields{"packet-in": packetIn}) |
khenaidoo | fdbad6e | 2018-11-06 22:26:38 -0500 | [diff] [blame] | 1041 | } |