khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -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 | */ |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 16 | package core |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 17 | |
| 18 | import ( |
| 19 | "context" |
| 20 | "errors" |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 21 | "github.com/golang-collections/go-datastructures/queue" |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 22 | "github.com/golang/protobuf/ptypes/empty" |
| 23 | da "github.com/opencord/voltha-go/common/core/northbound/grpc" |
| 24 | "github.com/opencord/voltha-go/common/log" |
| 25 | "github.com/opencord/voltha-go/protos/common" |
| 26 | "github.com/opencord/voltha-go/protos/openflow_13" |
| 27 | "github.com/opencord/voltha-go/protos/voltha" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 28 | "google.golang.org/grpc/codes" |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 29 | "google.golang.org/grpc/metadata" |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 30 | "google.golang.org/grpc/status" |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 31 | "io" |
| 32 | "time" |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 33 | ) |
| 34 | |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 35 | //TODO: Move this Tag into the proto file |
| 36 | const OF_CONTROLLER_TAG= "voltha_backend_name" |
| 37 | |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 38 | const MAX_RESPONSE_TIME = 500 // milliseconds |
Richard Jankowski | d42826e | 2018-11-02 16:06:37 -0400 | [diff] [blame] | 39 | |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 40 | type APIHandler struct { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 41 | deviceMgr *DeviceManager |
| 42 | logicalDeviceMgr *LogicalDeviceManager |
khenaidoo | d2b6df9 | 2018-12-13 16:37:20 -0500 | [diff] [blame] | 43 | packetInQueue *queue.Queue |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 44 | da.DefaultAPIHandler |
| 45 | } |
| 46 | |
khenaidoo | 9a46896 | 2018-09-19 15:33:13 -0400 | [diff] [blame] | 47 | func NewAPIHandler(deviceMgr *DeviceManager, lDeviceMgr *LogicalDeviceManager) *APIHandler { |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 48 | handler := &APIHandler{ |
| 49 | deviceMgr: deviceMgr, |
| 50 | logicalDeviceMgr: lDeviceMgr, |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 51 | // TODO: Figure out what the 'hint' parameter to queue.New does |
khenaidoo | d2b6df9 | 2018-12-13 16:37:20 -0500 | [diff] [blame] | 52 | packetInQueue: queue.New(10), |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 53 | } |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 54 | return handler |
| 55 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 56 | |
| 57 | // isTestMode is a helper function to determine a function is invoked for testing only |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 58 | func isTestMode(ctx context.Context) bool { |
| 59 | md, _ := metadata.FromIncomingContext(ctx) |
| 60 | _, exist := md[common.TestModeKeys_api_test.String()] |
| 61 | return exist |
| 62 | } |
| 63 | |
Richard Jankowski | d42826e | 2018-11-02 16:06:37 -0400 | [diff] [blame] | 64 | // This function attempts to extract the serial number from the request metadata |
| 65 | // and create a KV transaction for that serial number for the current core. |
| 66 | func (handler *APIHandler) createKvTransaction(ctx context.Context) (*KVTransaction, error) { |
| 67 | var ( |
khenaidoo | 43c8212 | 2018-11-22 18:38:28 -0500 | [diff] [blame] | 68 | err error |
| 69 | ok bool |
| 70 | md metadata.MD |
Richard Jankowski | d42826e | 2018-11-02 16:06:37 -0400 | [diff] [blame] | 71 | serNum []string |
| 72 | ) |
| 73 | if md, ok = metadata.FromIncomingContext(ctx); !ok { |
| 74 | err = errors.New("metadata-not-found") |
| 75 | } else if serNum, ok = md["voltha_serial_number"]; !ok { |
| 76 | err = errors.New("serial-number-not-found") |
| 77 | } |
| 78 | if !ok { |
| 79 | log.Error(err) |
| 80 | return nil, err |
| 81 | } |
| 82 | // Create KV transaction |
| 83 | txn := NewKVTransaction(serNum[0]) |
| 84 | return txn, nil |
| 85 | } |
| 86 | |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 87 | // isOFControllerRequest is a helper function to determine if a request was initiated |
| 88 | // from the OpenFlow controller (or its proxy, e.g. OFAgent) |
| 89 | func isOFControllerRequest(ctx context.Context) bool { |
| 90 | var ( |
| 91 | ok bool |
| 92 | md metadata.MD |
| 93 | value []string |
| 94 | ) |
| 95 | if md, ok = metadata.FromIncomingContext(ctx); !ok { |
| 96 | // No metadata |
| 97 | return false |
| 98 | } |
| 99 | if value, ok = md[OF_CONTROLLER_TAG]; !ok { |
| 100 | // No OFAgent field in metadata |
| 101 | return false |
| 102 | } |
| 103 | if value[0] == "" { |
| 104 | // OFAgent has not set a field value |
| 105 | return false |
| 106 | } |
| 107 | return true |
| 108 | } |
| 109 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 110 | // waitForNilResponseOnSuccess is a helper function to wait for a response on channel ch where an nil |
| 111 | // response is expected in a successful scenario |
| 112 | func waitForNilResponseOnSuccess(ctx context.Context, ch chan interface{}) (*empty.Empty, error) { |
| 113 | select { |
| 114 | case res := <-ch: |
| 115 | if res == nil { |
| 116 | return new(empty.Empty), nil |
| 117 | } else if err, ok := res.(error); ok { |
| 118 | return new(empty.Empty), err |
| 119 | } else { |
| 120 | log.Warnw("unexpected-return-type", log.Fields{"result": res}) |
| 121 | err = status.Errorf(codes.Internal, "%s", res) |
| 122 | return new(empty.Empty), err |
| 123 | } |
| 124 | case <-ctx.Done(): |
| 125 | log.Debug("client-timeout") |
| 126 | return nil, ctx.Err() |
| 127 | } |
| 128 | } |
| 129 | |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 130 | func (handler *APIHandler) UpdateLogLevel(ctx context.Context, logging *voltha.Logging) (*empty.Empty, error) { |
khenaidoo | 6f2fbe3 | 2019-01-18 16:16:50 -0500 | [diff] [blame] | 131 | log.Debugw("UpdateLogLevel-request", log.Fields{"package": logging.PackageName, "intval": int(logging.Level)}) |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 132 | out := new(empty.Empty) |
khenaidoo | 6f2fbe3 | 2019-01-18 16:16:50 -0500 | [diff] [blame] | 133 | if logging.PackageName == "" { |
| 134 | log.SetAllLogLevel(int(logging.Level)) |
| 135 | } else { |
| 136 | log.SetPackageLogLevel(logging.PackageName, int(logging.Level)) |
| 137 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 138 | return out, nil |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | func (handler *APIHandler) EnableLogicalDevicePort(ctx context.Context, id *voltha.LogicalPortId) (*empty.Empty, error) { |
| 142 | log.Debugw("EnableLogicalDevicePort-request", log.Fields{"id": id, "test": common.TestModeKeys_api_test.String()}) |
| 143 | if isTestMode(ctx) { |
| 144 | out := new(empty.Empty) |
| 145 | return out, nil |
| 146 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 147 | |
| 148 | if isOFControllerRequest(ctx) { |
| 149 | txn, err := handler.createKvTransaction(ctx) |
| 150 | if txn == nil { |
| 151 | return new(empty.Empty), err |
| 152 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 153 | defer txn.Close() // Ensure active core signals "done" to standby |
| 154 | } else { |
| 155 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 156 | } |
| 157 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 158 | ch := make(chan interface{}) |
| 159 | defer close(ch) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 160 | go handler.logicalDeviceMgr.enableLogicalPort(ctx, id, ch) |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 161 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | func (handler *APIHandler) DisableLogicalDevicePort(ctx context.Context, id *voltha.LogicalPortId) (*empty.Empty, error) { |
| 165 | log.Debugw("DisableLogicalDevicePort-request", log.Fields{"id": id, "test": common.TestModeKeys_api_test.String()}) |
| 166 | if isTestMode(ctx) { |
| 167 | out := new(empty.Empty) |
| 168 | return out, nil |
| 169 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 170 | |
| 171 | if isOFControllerRequest(ctx) { |
| 172 | txn, err := handler.createKvTransaction(ctx) |
| 173 | if txn == nil { |
| 174 | return new(empty.Empty), err |
| 175 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 176 | defer txn.Close() // Ensure active core signals "done" to standby |
| 177 | } else { |
| 178 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 179 | } |
| 180 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 181 | ch := make(chan interface{}) |
| 182 | defer close(ch) |
| 183 | go handler.logicalDeviceMgr.disableLogicalPort(ctx, id, ch) |
| 184 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | func (handler *APIHandler) UpdateLogicalDeviceFlowTable(ctx context.Context, flow *openflow_13.FlowTableUpdate) (*empty.Empty, error) { |
| 188 | log.Debugw("UpdateLogicalDeviceFlowTable-request", log.Fields{"flow": flow, "test": common.TestModeKeys_api_test.String()}) |
| 189 | if isTestMode(ctx) { |
| 190 | out := new(empty.Empty) |
| 191 | return out, nil |
| 192 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 193 | |
| 194 | if isOFControllerRequest(ctx) { |
| 195 | txn, err := handler.createKvTransaction(ctx) |
| 196 | if txn == nil { |
| 197 | return new(empty.Empty), err |
| 198 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 199 | defer txn.Close() // Ensure active core signals "done" to standby |
| 200 | } else { |
| 201 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 202 | } |
| 203 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 204 | ch := make(chan interface{}) |
| 205 | defer close(ch) |
| 206 | go handler.logicalDeviceMgr.updateFlowTable(ctx, flow.Id, flow.FlowMod, ch) |
| 207 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | func (handler *APIHandler) UpdateLogicalDeviceFlowGroupTable(ctx context.Context, flow *openflow_13.FlowGroupTableUpdate) (*empty.Empty, error) { |
| 211 | log.Debugw("UpdateLogicalDeviceFlowGroupTable-request", log.Fields{"flow": flow, "test": common.TestModeKeys_api_test.String()}) |
| 212 | if isTestMode(ctx) { |
| 213 | out := new(empty.Empty) |
| 214 | return out, nil |
| 215 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 216 | |
| 217 | if isOFControllerRequest(ctx) { |
| 218 | txn, err := handler.createKvTransaction(ctx) |
| 219 | if txn == nil { |
| 220 | return new(empty.Empty), err |
| 221 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 222 | defer txn.Close() // Ensure active core signals "done" to standby |
| 223 | } else { |
| 224 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 225 | } |
| 226 | } |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 227 | ch := make(chan interface{}) |
| 228 | defer close(ch) |
| 229 | go handler.logicalDeviceMgr.updateGroupTable(ctx, flow.Id, flow.GroupMod, ch) |
| 230 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 231 | } |
| 232 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 233 | // GetDevice must be implemented in the read-only containers - should it also be implemented here? |
| 234 | func (handler *APIHandler) GetDevice(ctx context.Context, id *voltha.ID) (*voltha.Device, error) { |
| 235 | log.Debugw("GetDevice-request", log.Fields{"id": id}) |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 236 | return handler.deviceMgr.GetDevice(id.Id) |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | // GetDevice must be implemented in the read-only containers - should it also be implemented here? |
| 240 | func (handler *APIHandler) ListDevices(ctx context.Context, empty *empty.Empty) (*voltha.Devices, error) { |
| 241 | log.Debug("ListDevices") |
| 242 | return handler.deviceMgr.ListDevices() |
| 243 | } |
| 244 | |
khenaidoo | 7ccedd5 | 2018-12-14 16:48:54 -0500 | [diff] [blame] | 245 | // ListDeviceIds returns the list of device ids managed by a voltha core |
| 246 | func (handler *APIHandler) ListDeviceIds(ctx context.Context, empty *empty.Empty) (*voltha.IDs, error) { |
| 247 | log.Debug("ListDeviceIDs") |
| 248 | if isTestMode(ctx) { |
| 249 | out := &voltha.IDs{Items: make([]*voltha.ID, 0)} |
| 250 | return out, nil |
| 251 | } |
| 252 | return handler.deviceMgr.ListDeviceIds() |
| 253 | } |
| 254 | |
| 255 | //ReconcileDevices is a request to a voltha core to managed a list of devices based on their IDs |
| 256 | func (handler *APIHandler) ReconcileDevices(ctx context.Context, ids *voltha.IDs) (*empty.Empty, error) { |
| 257 | log.Debug("ReconcileDevices") |
| 258 | if isTestMode(ctx) { |
| 259 | out := new(empty.Empty) |
| 260 | return out, nil |
| 261 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 262 | |
| 263 | if isOFControllerRequest(ctx) { |
| 264 | txn, err := handler.createKvTransaction(ctx) |
| 265 | if txn == nil { |
| 266 | return new(empty.Empty), err |
| 267 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 268 | defer txn.Close() // Ensure active core signals "done" to standby |
| 269 | } else { |
| 270 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 271 | } |
| 272 | } |
khenaidoo | 7ccedd5 | 2018-12-14 16:48:54 -0500 | [diff] [blame] | 273 | ch := make(chan interface{}) |
| 274 | defer close(ch) |
| 275 | go handler.deviceMgr.ReconcileDevices(ctx, ids, ch) |
| 276 | return waitForNilResponseOnSuccess(ctx, ch) |
| 277 | } |
| 278 | |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 279 | // GetLogicalDevice must be implemented in the read-only containers - should it also be implemented here? |
| 280 | func (handler *APIHandler) GetLogicalDevice(ctx context.Context, id *voltha.ID) (*voltha.LogicalDevice, error) { |
| 281 | log.Debugw("GetLogicalDevice-request", log.Fields{"id": id}) |
| 282 | return handler.logicalDeviceMgr.getLogicalDevice(id.Id) |
| 283 | } |
| 284 | |
| 285 | // ListLogicalDevices must be implemented in the read-only containers - should it also be implemented here? |
| 286 | func (handler *APIHandler) ListLogicalDevices(ctx context.Context, empty *empty.Empty) (*voltha.LogicalDevices, error) { |
| 287 | log.Debug("ListLogicalDevices") |
| 288 | return handler.logicalDeviceMgr.listLogicalDevices() |
| 289 | } |
| 290 | |
khenaidoo | 19d7b63 | 2018-10-30 10:49:50 -0400 | [diff] [blame] | 291 | // ListLogicalDevicePorts must be implemented in the read-only containers - should it also be implemented here? |
| 292 | func (handler *APIHandler) ListLogicalDevicePorts(ctx context.Context, id *voltha.ID) (*voltha.LogicalPorts, error) { |
| 293 | log.Debugw("ListLogicalDevicePorts", log.Fields{"logicaldeviceid": id}) |
| 294 | return handler.logicalDeviceMgr.ListLogicalDevicePorts(ctx, id.Id) |
| 295 | } |
| 296 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 297 | // CreateDevice creates a new parent device in the data model |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 298 | func (handler *APIHandler) CreateDevice(ctx context.Context, device *voltha.Device) (*voltha.Device, error) { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 299 | log.Debugw("createdevice", log.Fields{"device": *device}) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 300 | if isTestMode(ctx) { |
| 301 | return &voltha.Device{Id: device.Id}, nil |
| 302 | } |
Richard Jankowski | d42826e | 2018-11-02 16:06:37 -0400 | [diff] [blame] | 303 | |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 304 | if isOFControllerRequest(ctx) { |
| 305 | txn, err := handler.createKvTransaction(ctx) |
| 306 | if txn == nil { |
| 307 | return &voltha.Device{}, err |
| 308 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 309 | defer txn.Close() // Ensure active core signals "done" to standby |
| 310 | } else { |
| 311 | return &voltha.Device{}, errors.New("failed-to-seize-request") |
| 312 | } |
| 313 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 314 | ch := make(chan interface{}) |
| 315 | defer close(ch) |
| 316 | go handler.deviceMgr.createDevice(ctx, device, ch) |
| 317 | select { |
| 318 | case res := <-ch: |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 319 | if res != nil { |
| 320 | if err, ok := res.(error); ok { |
| 321 | return &voltha.Device{}, err |
| 322 | } |
| 323 | if d, ok := res.(*voltha.Device); ok { |
| 324 | return d, nil |
| 325 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 326 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 327 | log.Warnw("create-device-unexpected-return-type", log.Fields{"result": res}) |
| 328 | err := status.Errorf(codes.Internal, "%s", res) |
| 329 | return &voltha.Device{}, err |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 330 | case <-ctx.Done(): |
| 331 | log.Debug("createdevice-client-timeout") |
| 332 | return nil, ctx.Err() |
| 333 | } |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 334 | } |
| 335 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 336 | // EnableDevice activates a device by invoking the adopt_device API on the appropriate adapter |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 337 | func (handler *APIHandler) EnableDevice(ctx context.Context, id *voltha.ID) (*empty.Empty, error) { |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 338 | log.Debugw("enabledevice", log.Fields{"id": id}) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 339 | if isTestMode(ctx) { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 340 | return new(empty.Empty), nil |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 341 | } |
Richard Jankowski | d42826e | 2018-11-02 16:06:37 -0400 | [diff] [blame] | 342 | |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 343 | if isOFControllerRequest(ctx) { |
| 344 | txn, err := handler.createKvTransaction(ctx) |
| 345 | if txn == nil { |
| 346 | return new(empty.Empty), err |
| 347 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 348 | defer txn.Close() // Ensure active core signals "done" to standby |
| 349 | } else { |
| 350 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 351 | } |
| 352 | } |
khenaidoo | b920354 | 2018-09-17 22:56:37 -0400 | [diff] [blame] | 353 | ch := make(chan interface{}) |
| 354 | defer close(ch) |
| 355 | go handler.deviceMgr.enableDevice(ctx, id, ch) |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 356 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 357 | } |
| 358 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 359 | // DisableDevice disables a device along with any child device it may have |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 360 | func (handler *APIHandler) DisableDevice(ctx context.Context, id *voltha.ID) (*empty.Empty, error) { |
| 361 | log.Debugw("disabledevice-request", log.Fields{"id": id}) |
| 362 | if isTestMode(ctx) { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 363 | return new(empty.Empty), nil |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 364 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 365 | |
| 366 | if isOFControllerRequest(ctx) { |
| 367 | txn, err := handler.createKvTransaction(ctx) |
| 368 | if txn == nil { |
| 369 | return new(empty.Empty), err |
| 370 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 371 | defer txn.Close() // Ensure active core signals "done" to standby |
| 372 | } else { |
| 373 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 374 | } |
| 375 | } |
khenaidoo | 92e62c5 | 2018-10-03 14:02:54 -0400 | [diff] [blame] | 376 | ch := make(chan interface{}) |
| 377 | defer close(ch) |
| 378 | go handler.deviceMgr.disableDevice(ctx, id, ch) |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 379 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 380 | } |
| 381 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 382 | //RebootDevice invoked the reboot API to the corresponding adapter |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 383 | func (handler *APIHandler) RebootDevice(ctx context.Context, id *voltha.ID) (*empty.Empty, error) { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 384 | log.Debugw("rebootDevice-request", log.Fields{"id": id}) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 385 | if isTestMode(ctx) { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 386 | return new(empty.Empty), nil |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 387 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 388 | |
| 389 | if isOFControllerRequest(ctx) { |
| 390 | txn, err := handler.createKvTransaction(ctx) |
| 391 | if txn == nil { |
| 392 | return new(empty.Empty), err |
| 393 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 394 | defer txn.Close() // Ensure active core signals "done" to standby |
| 395 | } else { |
| 396 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 397 | } |
| 398 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 399 | ch := make(chan interface{}) |
| 400 | defer close(ch) |
| 401 | go handler.deviceMgr.rebootDevice(ctx, id, ch) |
| 402 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 403 | } |
| 404 | |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 405 | // DeleteDevice removes a device from the data model |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 406 | func (handler *APIHandler) DeleteDevice(ctx context.Context, id *voltha.ID) (*empty.Empty, error) { |
| 407 | log.Debugw("deletedevice-request", log.Fields{"id": id}) |
| 408 | if isTestMode(ctx) { |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 409 | return new(empty.Empty), nil |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 410 | } |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 411 | |
| 412 | if isOFControllerRequest(ctx) { |
| 413 | txn, err := handler.createKvTransaction(ctx) |
| 414 | if txn == nil { |
| 415 | return new(empty.Empty), err |
| 416 | } else if txn.Acquired(MAX_RESPONSE_TIME) { |
| 417 | defer txn.Close() // Ensure active core signals "done" to standby |
| 418 | } else { |
| 419 | return new(empty.Empty), errors.New("failed-to-seize-request") |
| 420 | } |
| 421 | } |
khenaidoo | 4d4802d | 2018-10-04 21:59:49 -0400 | [diff] [blame] | 422 | ch := make(chan interface{}) |
| 423 | defer close(ch) |
| 424 | go handler.deviceMgr.deleteDevice(ctx, id, ch) |
| 425 | return waitForNilResponseOnSuccess(ctx, ch) |
khenaidoo | bf6e7bb | 2018-08-14 22:27:29 -0400 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | func (handler *APIHandler) DownloadImage(ctx context.Context, img *voltha.ImageDownload) (*common.OperationResp, error) { |
| 429 | log.Debugw("DownloadImage-request", log.Fields{"img": *img}) |
| 430 | if isTestMode(ctx) { |
| 431 | resp := &common.OperationResp{Code: common.OperationResp_OPERATION_SUCCESS} |
| 432 | return resp, nil |
| 433 | } |
| 434 | |
| 435 | return nil, errors.New("UnImplemented") |
| 436 | } |
| 437 | |
| 438 | func (handler *APIHandler) CancelImageDownload(ctx context.Context, img *voltha.ImageDownload) (*common.OperationResp, error) { |
| 439 | log.Debugw("CancelImageDownload-request", log.Fields{"img": *img}) |
| 440 | if isTestMode(ctx) { |
| 441 | resp := &common.OperationResp{Code: common.OperationResp_OPERATION_SUCCESS} |
| 442 | return resp, nil |
| 443 | } |
| 444 | return nil, errors.New("UnImplemented") |
| 445 | } |
| 446 | |
| 447 | func (handler *APIHandler) ActivateImageUpdate(ctx context.Context, img *voltha.ImageDownload) (*common.OperationResp, error) { |
| 448 | log.Debugw("ActivateImageUpdate-request", log.Fields{"img": *img}) |
| 449 | if isTestMode(ctx) { |
| 450 | resp := &common.OperationResp{Code: common.OperationResp_OPERATION_SUCCESS} |
| 451 | return resp, nil |
| 452 | } |
| 453 | return nil, errors.New("UnImplemented") |
| 454 | } |
| 455 | |
| 456 | func (handler *APIHandler) RevertImageUpdate(ctx context.Context, img *voltha.ImageDownload) (*common.OperationResp, error) { |
| 457 | log.Debugw("RevertImageUpdate-request", log.Fields{"img": *img}) |
| 458 | if isTestMode(ctx) { |
| 459 | resp := &common.OperationResp{Code: common.OperationResp_OPERATION_SUCCESS} |
| 460 | return resp, nil |
| 461 | } |
| 462 | return nil, errors.New("UnImplemented") |
| 463 | } |
| 464 | |
| 465 | func (handler *APIHandler) UpdateDevicePmConfigs(ctx context.Context, configs *voltha.PmConfigs) (*empty.Empty, error) { |
| 466 | log.Debugw("UpdateDevicePmConfigs-request", log.Fields{"configs": *configs}) |
| 467 | if isTestMode(ctx) { |
| 468 | out := new(empty.Empty) |
| 469 | return out, nil |
| 470 | } |
| 471 | return nil, errors.New("UnImplemented") |
| 472 | } |
| 473 | |
| 474 | func (handler *APIHandler) CreateAlarmFilter(ctx context.Context, filter *voltha.AlarmFilter) (*voltha.AlarmFilter, error) { |
| 475 | log.Debugw("CreateAlarmFilter-request", log.Fields{"filter": *filter}) |
| 476 | if isTestMode(ctx) { |
| 477 | f := &voltha.AlarmFilter{Id: filter.Id} |
| 478 | return f, nil |
| 479 | } |
| 480 | return nil, errors.New("UnImplemented") |
| 481 | } |
| 482 | |
| 483 | func (handler *APIHandler) UpdateAlarmFilter(ctx context.Context, filter *voltha.AlarmFilter) (*voltha.AlarmFilter, error) { |
| 484 | log.Debugw("UpdateAlarmFilter-request", log.Fields{"filter": *filter}) |
| 485 | if isTestMode(ctx) { |
| 486 | f := &voltha.AlarmFilter{Id: filter.Id} |
| 487 | return f, nil |
| 488 | } |
| 489 | return nil, errors.New("UnImplemented") |
| 490 | } |
| 491 | |
| 492 | func (handler *APIHandler) DeleteAlarmFilter(ctx context.Context, id *voltha.ID) (*empty.Empty, error) { |
| 493 | log.Debugw("DeleteAlarmFilter-request", log.Fields{"id": *id}) |
| 494 | if isTestMode(ctx) { |
| 495 | out := new(empty.Empty) |
| 496 | return out, nil |
| 497 | } |
| 498 | return nil, errors.New("UnImplemented") |
| 499 | } |
| 500 | |
| 501 | func (handler *APIHandler) SelfTest(ctx context.Context, id *voltha.ID) (*voltha.SelfTestResponse, error) { |
| 502 | log.Debugw("SelfTest-request", log.Fields{"id": id}) |
| 503 | if isTestMode(ctx) { |
| 504 | resp := &voltha.SelfTestResponse{Result: voltha.SelfTestResponse_SUCCESS} |
| 505 | return resp, nil |
| 506 | } |
| 507 | return nil, errors.New("UnImplemented") |
| 508 | } |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 509 | |
| 510 | func (handler *APIHandler) forwardPacketOut(packet *openflow_13.PacketOut) { |
| 511 | log.Debugw("forwardPacketOut-request", log.Fields{"packet": packet}) |
Richard Jankowski | 2755adf | 2019-01-17 17:16:48 -0500 | [diff] [blame] | 512 | agent := handler.logicalDeviceMgr.getLogicalDeviceAgent(packet.Id) |
| 513 | agent.packetOut(packet.PacketOut) |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 514 | } |
| 515 | func (handler *APIHandler) StreamPacketsOut( |
| 516 | packets voltha.VolthaService_StreamPacketsOutServer, |
| 517 | ) error { |
| 518 | log.Debugw("StreamPacketsOut-request", log.Fields{"packets": packets}) |
| 519 | for { |
| 520 | packet, err := packets.Recv() |
| 521 | |
| 522 | if err == io.EOF { |
| 523 | break |
| 524 | } else if err != nil { |
| 525 | log.Errorw("Failed to receive packet", log.Fields{"error": err}) |
| 526 | } |
| 527 | |
| 528 | handler.forwardPacketOut(packet) |
| 529 | } |
| 530 | |
| 531 | log.Debugw("StreamPacketsOut-request-done", log.Fields{"packets": packets}) |
| 532 | return nil |
| 533 | } |
| 534 | |
| 535 | func (handler *APIHandler) sendPacketIn(deviceId string, packet *openflow_13.OfpPacketIn) { |
| 536 | packetIn := openflow_13.PacketIn{Id: deviceId, PacketIn: packet} |
| 537 | log.Debugw("sendPacketIn", log.Fields{"packetIn": packetIn}) |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 538 | // Enqueue the packet |
| 539 | if err := handler.packetInQueue.Put(packetIn); err != nil { |
| 540 | log.Errorw("failed-to-enqueue-packet", log.Fields{"error": err}) |
| 541 | } |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | func (handler *APIHandler) ReceivePacketsIn( |
| 545 | empty *empty.Empty, |
| 546 | packetsIn voltha.VolthaService_ReceivePacketsInServer, |
| 547 | ) error { |
| 548 | log.Debugw("ReceivePacketsIn-request", log.Fields{"packetsIn": packetsIn}) |
| 549 | |
| 550 | for { |
Richard Jankowski | dbab94a | 2018-12-06 16:20:25 -0500 | [diff] [blame] | 551 | // Dequeue a packet |
| 552 | if packets, err := handler.packetInQueue.Get(1); err == nil { |
| 553 | log.Debugw("dequeued-packet", log.Fields{"packet": packets[0]}) |
| 554 | if packet, ok := packets[0].(openflow_13.PacketIn); ok { |
| 555 | log.Debugw("sending-packet-in", log.Fields{"packet": packet}) |
| 556 | if err := packetsIn.Send(&packet); err != nil { |
| 557 | log.Errorw("failed-to-send-packet", log.Fields{"error": err}) |
| 558 | } |
| 559 | } |
Stephane Barbarie | 6e1bd50 | 2018-11-05 22:44:45 -0500 | [diff] [blame] | 560 | } |
| 561 | } |
| 562 | log.Debugw("ReceivePacketsIn-request-done", log.Fields{"packetsIn": packetsIn}) |
| 563 | return nil |
| 564 | } |
| 565 | |
| 566 | func (handler *APIHandler) sendChangeEvent(deviceId string, portStatus *openflow_13.OfpPortStatus) { |
| 567 | // TODO: validate the type of portStatus parameter |
| 568 | //if _, ok := portStatus.(*openflow_13.OfpPortStatus); ok { |
| 569 | //} |
| 570 | event := openflow_13.ChangeEvent{Id: deviceId, Event: &openflow_13.ChangeEvent_PortStatus{PortStatus: portStatus}} |
| 571 | log.Debugw("sendChangeEvent", log.Fields{"event": event}) |
| 572 | // TODO: put the packet in the queue |
| 573 | } |
| 574 | |
| 575 | func (handler *APIHandler) ReceiveChangeEvents( |
| 576 | empty *empty.Empty, |
| 577 | changeEvents voltha.VolthaService_ReceiveChangeEventsServer, |
| 578 | ) error { |
| 579 | log.Debugw("ReceiveChangeEvents-request", log.Fields{"changeEvents": changeEvents}) |
| 580 | for { |
| 581 | // TODO: need to retrieve packet from queue |
| 582 | event := &openflow_13.ChangeEvent{} |
| 583 | time.Sleep(time.Duration(5) * time.Second) |
| 584 | err := changeEvents.Send(event) |
| 585 | if err != nil { |
| 586 | log.Errorw("Failed to send change event", log.Fields{"error": err}) |
| 587 | } |
| 588 | } |
| 589 | return nil |
| 590 | } |
| 591 | |
| 592 | func (handler *APIHandler) Subscribe( |
| 593 | ctx context.Context, |
| 594 | ofAgent *voltha.OfAgentSubscriber, |
| 595 | ) (*voltha.OfAgentSubscriber, error) { |
| 596 | log.Debugw("Subscribe-request", log.Fields{"ofAgent": ofAgent}) |
| 597 | return &voltha.OfAgentSubscriber{OfagentId: ofAgent.OfagentId, VolthaId: ofAgent.VolthaId}, nil |
| 598 | } |