Matteo Scandolo | 813402b | 2019-10-23 19:24:52 -0700 | [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 | |
| 17 | package devices |
| 18 | |
| 19 | import ( |
| 20 | "context" |
| 21 | "errors" |
| 22 | "github.com/google/gopacket/layers" |
| 23 | "github.com/looplab/fsm" |
| 24 | "github.com/opencord/voltha-protos/go/openolt" |
| 25 | "github.com/opencord/voltha-protos/go/tech_profile" |
| 26 | "google.golang.org/grpc" |
| 27 | "gotest.tools/assert" |
| 28 | "net" |
| 29 | "testing" |
| 30 | ) |
| 31 | |
| 32 | type FlowAddSpy struct { |
| 33 | CallCount int |
| 34 | Calls map[int]*openolt.Flow |
| 35 | } |
| 36 | |
| 37 | type mockClient struct { |
| 38 | FlowAddSpy |
| 39 | fail bool |
| 40 | } |
| 41 | |
| 42 | func (s *mockClient) DisableOlt(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 43 | return nil, errors.New("unimplemented-in-mock-client") |
| 44 | } |
| 45 | func (s *mockClient) ReenableOlt(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 46 | return nil, errors.New("unimplemented-in-mock-client") |
| 47 | } |
| 48 | func (s *mockClient) ActivateOnu(ctx context.Context, in *openolt.Onu, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 49 | return nil, errors.New("unimplemented-in-mock-client") |
| 50 | } |
| 51 | func (s *mockClient) DeactivateOnu(ctx context.Context, in *openolt.Onu, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 52 | return nil, errors.New("unimplemented-in-mock-client") |
| 53 | } |
| 54 | func (s *mockClient) DeleteOnu(ctx context.Context, in *openolt.Onu, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 55 | return nil, errors.New("unimplemented-in-mock-client") |
| 56 | } |
| 57 | func (s *mockClient) OmciMsgOut(ctx context.Context, in *openolt.OmciMsg, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 58 | return nil, errors.New("unimplemented-in-mock-client") |
| 59 | } |
| 60 | func (s *mockClient) OnuPacketOut(ctx context.Context, in *openolt.OnuPacket, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 61 | return nil, errors.New("unimplemented-in-mock-client") |
| 62 | } |
| 63 | func (s *mockClient) UplinkPacketOut(ctx context.Context, in *openolt.UplinkPacket, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 64 | return nil, errors.New("unimplemented-in-mock-client") |
| 65 | } |
| 66 | func (s *mockClient) FlowAdd(ctx context.Context, in *openolt.Flow, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 67 | s.FlowAddSpy.CallCount++ |
| 68 | if s.fail { |
| 69 | return nil, errors.New("fake-error") |
| 70 | } |
| 71 | s.FlowAddSpy.Calls[s.FlowAddSpy.CallCount] = in |
| 72 | return &openolt.Empty{}, nil |
| 73 | } |
| 74 | func (s *mockClient) FlowRemove(ctx context.Context, in *openolt.Flow, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 75 | return nil, errors.New("unimplemented-in-mock-client") |
| 76 | } |
| 77 | func (s *mockClient) HeartbeatCheck(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.Heartbeat, error) { |
| 78 | return nil, errors.New("unimplemented-in-mock-client") |
| 79 | } |
| 80 | func (s *mockClient) EnablePonIf(ctx context.Context, in *openolt.Interface, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 81 | return nil, errors.New("unimplemented-in-mock-client") |
| 82 | } |
| 83 | func (s *mockClient) DisablePonIf(ctx context.Context, in *openolt.Interface, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 84 | return nil, errors.New("unimplemented-in-mock-client") |
| 85 | } |
| 86 | func (s *mockClient) GetDeviceInfo(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.DeviceInfo, error) { |
| 87 | return nil, errors.New("unimplemented-in-mock-client") |
| 88 | } |
| 89 | func (s *mockClient) Reboot(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 90 | return nil, errors.New("unimplemented-in-mock-client") |
| 91 | } |
| 92 | func (s *mockClient) CollectStatistics(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 93 | return nil, errors.New("unimplemented-in-mock-client") |
| 94 | } |
| 95 | func (s *mockClient) CreateTrafficSchedulers(ctx context.Context, in *tech_profile.TrafficSchedulers, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 96 | return nil, errors.New("unimplemented-in-mock-client") |
| 97 | } |
| 98 | func (s *mockClient) RemoveTrafficSchedulers(ctx context.Context, in *tech_profile.TrafficSchedulers, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 99 | return nil, errors.New("unimplemented-in-mock-client") |
| 100 | } |
| 101 | func (s *mockClient) CreateTrafficQueues(ctx context.Context, in *tech_profile.TrafficQueues, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 102 | return nil, errors.New("unimplemented-in-mock-client") |
| 103 | } |
| 104 | func (s *mockClient) RemoveTrafficQueues(ctx context.Context, in *tech_profile.TrafficQueues, opts ...grpc.CallOption) (*openolt.Empty, error) { |
| 105 | return nil, errors.New("unimplemented-in-mock-client") |
| 106 | } |
| 107 | func (s *mockClient) EnableIndication(ctx context.Context, in *openolt.Empty, opts ...grpc.CallOption) (openolt.Openolt_EnableIndicationClient, error) { |
| 108 | return nil, errors.New("unimplemented-in-mock-client") |
| 109 | } |
| 110 | |
| 111 | func createMockOnu(id uint32, ponPortId uint32, sTag int, cTag int) Onu { |
| 112 | o := Onu{ |
| 113 | ID: id, |
| 114 | PonPortID: ponPortId, |
| 115 | STag: sTag, |
| 116 | CTag: cTag, |
| 117 | HwAddress: net.HardwareAddr{0x2e, 0x60, 0x70, 0x13, byte(ponPortId), byte(id)}, |
| 118 | PortNo: 0, |
| 119 | } |
| 120 | o.SerialNumber = o.NewSN(0, ponPortId, o.ID) |
| 121 | return o |
| 122 | } |
| 123 | |
| 124 | func Test_Onu_SendEapolFlow(t *testing.T) { |
| 125 | onu := createMockOnu(1, 1, 900, 900) |
| 126 | |
| 127 | client := &mockClient{ |
| 128 | FlowAddSpy: FlowAddSpy{ |
| 129 | Calls: make(map[int]*openolt.Flow), |
| 130 | }, |
| 131 | fail: false, |
| 132 | } |
| 133 | |
| 134 | onu.sendEapolFlow(client) |
| 135 | assert.Equal(t, client.FlowAddSpy.CallCount, 1) |
| 136 | |
| 137 | assert.Equal(t, client.FlowAddSpy.Calls[1].AccessIntfId, int32(onu.PonPortID)) |
| 138 | assert.Equal(t, client.FlowAddSpy.Calls[1].OnuId, int32(onu.ID)) |
| 139 | assert.Equal(t, client.FlowAddSpy.Calls[1].UniId, int32(0)) |
| 140 | assert.Equal(t, client.FlowAddSpy.Calls[1].FlowId, onu.ID) |
| 141 | assert.Equal(t, client.FlowAddSpy.Calls[1].FlowType, "downstream") |
| 142 | assert.Equal(t, client.FlowAddSpy.Calls[1].PortNo, onu.ID) |
| 143 | } |
| 144 | |
| 145 | // validates that when an ONU receives an EAPOL flow for UNI 0 |
| 146 | // it transition to auth_started state |
| 147 | func Test_HandleFlowUpdateEapolFromGem(t *testing.T) { |
| 148 | |
| 149 | onu := createMockOnu(1, 1, 900, 900) |
| 150 | |
| 151 | onu.InternalState = fsm.NewFSM( |
| 152 | "gem_port_added", |
| 153 | fsm.Events{ |
| 154 | {Name: "start_auth", Src: []string{"eapol_flow_received", "gem_port_added"}, Dst: "auth_started"}, |
| 155 | }, |
| 156 | fsm.Callbacks{}, |
| 157 | ) |
| 158 | |
| 159 | flow := openolt.Flow{ |
| 160 | AccessIntfId: int32(onu.PonPortID), |
| 161 | OnuId: int32(onu.ID), |
| 162 | UniId: int32(0), |
| 163 | FlowId: uint32(onu.ID), |
| 164 | FlowType: "downstream", |
| 165 | AllocId: int32(0), |
| 166 | NetworkIntfId: int32(0), |
| 167 | Classifier: &openolt.Classifier{ |
| 168 | EthType: uint32(layers.EthernetTypeEAPOL), |
| 169 | OVid: 4091, |
| 170 | }, |
| 171 | Action: &openolt.Action{}, |
| 172 | Priority: int32(100), |
| 173 | PortNo: uint32(onu.ID), // NOTE we are using this to map an incoming packetIndication to an ONU |
| 174 | } |
| 175 | |
| 176 | msg := OnuFlowUpdateMessage{ |
| 177 | PonPortID: 1, |
| 178 | OnuID: 1, |
| 179 | Flow: &flow, |
| 180 | } |
| 181 | |
| 182 | onu.handleFlowUpdate(msg) |
| 183 | assert.Equal(t, onu.InternalState.Current(), "auth_started") |
| 184 | } |
| 185 | |
| 186 | // validates that when an ONU receives an EAPOL flow for UNI that is not 0 |
| 187 | // no action is taken |
| 188 | func Test_HandleFlowUpdateEapolFromGemIgnore(t *testing.T) { |
| 189 | |
| 190 | onu := createMockOnu(1, 1, 900, 900) |
| 191 | |
| 192 | onu.InternalState = fsm.NewFSM( |
| 193 | "gem_port_added", |
| 194 | fsm.Events{ |
| 195 | {Name: "start_auth", Src: []string{"eapol_flow_received", "gem_port_added"}, Dst: "auth_started"}, |
| 196 | }, |
| 197 | fsm.Callbacks{}, |
| 198 | ) |
| 199 | |
| 200 | flow := openolt.Flow{ |
| 201 | AccessIntfId: int32(onu.PonPortID), |
| 202 | OnuId: int32(onu.ID), |
| 203 | UniId: int32(1), |
| 204 | FlowId: uint32(onu.ID), |
| 205 | FlowType: "downstream", |
| 206 | AllocId: int32(0), |
| 207 | NetworkIntfId: int32(0), |
| 208 | Classifier: &openolt.Classifier{ |
| 209 | EthType: uint32(layers.EthernetTypeEAPOL), |
| 210 | OVid: 4091, |
| 211 | }, |
| 212 | Action: &openolt.Action{}, |
| 213 | Priority: int32(100), |
| 214 | PortNo: uint32(onu.ID), // NOTE we are using this to map an incoming packetIndication to an ONU |
| 215 | } |
| 216 | |
| 217 | msg := OnuFlowUpdateMessage{ |
| 218 | PonPortID: 1, |
| 219 | OnuID: 1, |
| 220 | Flow: &flow, |
| 221 | } |
| 222 | |
| 223 | onu.handleFlowUpdate(msg) |
| 224 | assert.Equal(t, onu.InternalState.Current(), "gem_port_added") |
| 225 | } |
| 226 | |
| 227 | // validates that when an ONU receives an EAPOL flow for UNI 0 |
| 228 | // it transition to auth_started state |
| 229 | func Test_HandleFlowUpdateEapolFromEnabled(t *testing.T) { |
| 230 | |
| 231 | onu := createMockOnu(1, 1, 900, 900) |
| 232 | |
| 233 | onu.InternalState = fsm.NewFSM( |
| 234 | "enabled", |
| 235 | fsm.Events{ |
| 236 | {Name: "receive_eapol_flow", Src: []string{"enabled", "gem_port_added"}, Dst: "eapol_flow_received"}, |
| 237 | }, |
| 238 | fsm.Callbacks{}, |
| 239 | ) |
| 240 | |
| 241 | flow := openolt.Flow{ |
| 242 | AccessIntfId: int32(onu.PonPortID), |
| 243 | OnuId: int32(onu.ID), |
| 244 | UniId: int32(0), |
| 245 | FlowId: uint32(onu.ID), |
| 246 | FlowType: "downstream", |
| 247 | AllocId: int32(0), |
| 248 | NetworkIntfId: int32(0), |
| 249 | Classifier: &openolt.Classifier{ |
| 250 | EthType: uint32(layers.EthernetTypeEAPOL), |
| 251 | OVid: 4091, |
| 252 | }, |
| 253 | Action: &openolt.Action{}, |
| 254 | Priority: int32(100), |
| 255 | PortNo: uint32(onu.ID), // NOTE we are using this to map an incoming packetIndication to an ONU |
| 256 | } |
| 257 | |
| 258 | msg := OnuFlowUpdateMessage{ |
| 259 | PonPortID: 1, |
| 260 | OnuID: 1, |
| 261 | Flow: &flow, |
| 262 | } |
| 263 | |
| 264 | onu.handleFlowUpdate(msg) |
| 265 | assert.Equal(t, onu.InternalState.Current(), "eapol_flow_received") |
| 266 | } |
| 267 | |
| 268 | // validates that when an ONU receives an EAPOL flow for UNI that is not 0 |
| 269 | // no action is taken |
| 270 | func Test_HandleFlowUpdateEapolFromEnabledIgnore(t *testing.T) { |
| 271 | |
| 272 | onu := createMockOnu(1, 1, 900, 900) |
| 273 | |
| 274 | onu.InternalState = fsm.NewFSM( |
| 275 | "enabled", |
| 276 | fsm.Events{ |
| 277 | {Name: "receive_eapol_flow", Src: []string{"enabled", "gem_port_added"}, Dst: "eapol_flow_received"}, |
| 278 | }, |
| 279 | fsm.Callbacks{}, |
| 280 | ) |
| 281 | |
| 282 | flow := openolt.Flow{ |
| 283 | AccessIntfId: int32(onu.PonPortID), |
| 284 | OnuId: int32(onu.ID), |
| 285 | UniId: int32(1), |
| 286 | FlowId: uint32(onu.ID), |
| 287 | FlowType: "downstream", |
| 288 | AllocId: int32(0), |
| 289 | NetworkIntfId: int32(0), |
| 290 | Classifier: &openolt.Classifier{ |
| 291 | EthType: uint32(layers.EthernetTypeEAPOL), |
| 292 | OVid: 4091, |
| 293 | }, |
| 294 | Action: &openolt.Action{}, |
| 295 | Priority: int32(100), |
| 296 | PortNo: uint32(onu.ID), // NOTE we are using this to map an incoming packetIndication to an ONU |
| 297 | } |
| 298 | |
| 299 | msg := OnuFlowUpdateMessage{ |
| 300 | PonPortID: 1, |
| 301 | OnuID: 1, |
| 302 | Flow: &flow, |
| 303 | } |
| 304 | |
| 305 | onu.handleFlowUpdate(msg) |
| 306 | assert.Equal(t, onu.InternalState.Current(), "enabled") |
| 307 | } |
| 308 | |
| 309 | // TODO add tests for DHCP flow |