Claudine Chiu | 1f036b8 | 2017-03-09 16:45:56 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 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 org.onosproject.cli.net.vnet; |
| 18 | |
| 19 | import com.fasterxml.jackson.databind.JsonNode; |
| 20 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 21 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 22 | import org.apache.karaf.shell.commands.Argument; |
| 23 | import org.apache.karaf.shell.commands.Command; |
| 24 | import org.apache.karaf.shell.commands.Option; |
| 25 | import org.onlab.packet.Ip6Address; |
| 26 | import org.onlab.packet.IpPrefix; |
| 27 | import org.onlab.packet.MacAddress; |
| 28 | import org.onlab.packet.TpPort; |
| 29 | import org.onlab.packet.VlanId; |
| 30 | import org.onosproject.cli.AbstractShellCommand; |
| 31 | import org.onosproject.cli.net.EthType; |
| 32 | import org.onosproject.cli.net.ExtHeader; |
| 33 | import org.onosproject.cli.net.Icmp6Code; |
| 34 | import org.onosproject.cli.net.Icmp6Type; |
| 35 | import org.onosproject.cli.net.IpProtocol; |
| 36 | import org.onosproject.incubator.net.virtual.NetworkId; |
| 37 | import org.onosproject.incubator.net.virtual.VirtualNetworkService; |
| 38 | import org.onosproject.net.DeviceId; |
| 39 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 40 | import org.onosproject.net.flow.TrafficSelector; |
| 41 | import org.onosproject.net.packet.PacketPriority; |
| 42 | import org.onosproject.net.packet.PacketRequest; |
| 43 | import org.onosproject.net.packet.PacketService; |
| 44 | |
| 45 | import java.util.List; |
| 46 | import java.util.Optional; |
| 47 | |
| 48 | import static com.google.common.base.Strings.isNullOrEmpty; |
| 49 | |
| 50 | /** |
| 51 | * Tests virtual network packet requests. |
| 52 | */ |
| 53 | @Command(scope = "onos", name = "vnet-packet", |
| 54 | description = "Tests virtual network packet requests") |
| 55 | public class VirtualNetworkPacketRequestCommand extends AbstractShellCommand { |
| 56 | |
| 57 | @Argument(index = 0, name = "command", |
| 58 | description = "Command name (requestPackets|getRequests|cancelPackets)", |
| 59 | required = true, multiValued = false) |
| 60 | private String command = null; |
| 61 | |
| 62 | @Argument(index = 1, name = "networkId", description = "Network ID", |
| 63 | required = true, multiValued = false) |
| 64 | private Long networkId = null; |
| 65 | |
| 66 | @Option(name = "--deviceId", description = "Device ID", |
| 67 | required = false, multiValued = false) |
| 68 | private String deviceIdString = null; |
| 69 | |
| 70 | // Traffic selector |
| 71 | @Option(name = "-s", aliases = "--ethSrc", description = "Source MAC Address", |
| 72 | required = false, multiValued = false) |
| 73 | private String srcMacString = null; |
| 74 | |
| 75 | @Option(name = "-d", aliases = "--ethDst", description = "Destination MAC Address", |
| 76 | required = false, multiValued = false) |
| 77 | private String dstMacString = null; |
| 78 | |
| 79 | @Option(name = "-t", aliases = "--ethType", description = "Ethernet Type", |
| 80 | required = false, multiValued = false) |
| 81 | private String ethTypeString = null; |
| 82 | |
| 83 | @Option(name = "-v", aliases = "--vlan", description = "VLAN ID", |
| 84 | required = false, multiValued = false) |
| 85 | private String vlanString = null; |
| 86 | |
| 87 | @Option(name = "--ipProto", description = "IP Protocol", |
| 88 | required = false, multiValued = false) |
| 89 | private String ipProtoString = null; |
| 90 | |
| 91 | @Option(name = "--ipSrc", description = "Source IP Prefix", |
| 92 | required = false, multiValued = false) |
| 93 | private String srcIpString = null; |
| 94 | |
| 95 | @Option(name = "--ipDst", description = "Destination IP Prefix", |
| 96 | required = false, multiValued = false) |
| 97 | private String dstIpString = null; |
| 98 | |
| 99 | @Option(name = "--fLabel", description = "IPv6 Flow Label", |
| 100 | required = false, multiValued = false) |
| 101 | private String fLabelString = null; |
| 102 | |
| 103 | @Option(name = "--icmp6Type", description = "ICMPv6 Type", |
| 104 | required = false, multiValued = false) |
| 105 | private String icmp6TypeString = null; |
| 106 | |
| 107 | @Option(name = "--icmp6Code", description = "ICMPv6 Code", |
| 108 | required = false, multiValued = false) |
| 109 | private String icmp6CodeString = null; |
| 110 | |
| 111 | @Option(name = "--ndTarget", description = "IPv6 Neighbor Discovery Target Address", |
| 112 | required = false, multiValued = false) |
| 113 | private String ndTargetString = null; |
| 114 | |
| 115 | @Option(name = "--ndSLL", description = "IPv6 Neighbor Discovery Source Link-Layer", |
| 116 | required = false, multiValued = false) |
| 117 | private String ndSllString = null; |
| 118 | |
| 119 | @Option(name = "--ndTLL", description = "IPv6 Neighbor Discovery Target Link-Layer", |
| 120 | required = false, multiValued = false) |
| 121 | private String ndTllString = null; |
| 122 | |
| 123 | @Option(name = "--tcpSrc", description = "Source TCP Port", |
| 124 | required = false, multiValued = false) |
| 125 | private String srcTcpString = null; |
| 126 | |
| 127 | @Option(name = "--tcpDst", description = "Destination TCP Port", |
| 128 | required = false, multiValued = false) |
| 129 | private String dstTcpString = null; |
| 130 | |
| 131 | @Option(name = "--extHdr", description = "IPv6 Extension Header Pseudo-field", |
| 132 | required = false, multiValued = true) |
| 133 | private List<String> extHdrStringList = null; |
| 134 | |
| 135 | @Override |
| 136 | protected void execute() { |
| 137 | VirtualNetworkService service = get(VirtualNetworkService.class); |
| 138 | PacketService virtualPacketService = service.get(NetworkId.networkId(networkId), PacketService.class); |
| 139 | |
| 140 | if (command == null) { |
| 141 | print("Command is not defined"); |
| 142 | return; |
| 143 | } |
| 144 | |
| 145 | if (command.equals("getRequests")) { |
| 146 | getRequests(virtualPacketService); |
| 147 | return; |
| 148 | } |
| 149 | |
| 150 | TrafficSelector selector = buildTrafficSelector(); |
| 151 | PacketPriority packetPriority = PacketPriority.CONTROL; //TODO allow user to specify |
| 152 | Optional<DeviceId> optionalDeviceId = null; |
| 153 | if (!isNullOrEmpty(deviceIdString)) { |
| 154 | optionalDeviceId = Optional.of(DeviceId.deviceId(deviceIdString)); |
| 155 | } |
| 156 | |
| 157 | if (command.equals("requestPackets")) { |
| 158 | if (optionalDeviceId != null) { |
| 159 | virtualPacketService.requestPackets(selector, packetPriority, appId(), optionalDeviceId); |
| 160 | } else { |
| 161 | virtualPacketService.requestPackets(selector, packetPriority, appId()); |
| 162 | } |
| 163 | print("Virtual packet requested:\n%s", selector); |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | if (command.equals("cancelPackets")) { |
| 168 | if (optionalDeviceId != null) { |
| 169 | virtualPacketService.cancelPackets(selector, packetPriority, appId(), optionalDeviceId); |
| 170 | } else { |
| 171 | virtualPacketService.cancelPackets(selector, packetPriority, appId()); |
| 172 | } |
| 173 | print("Virtual packet cancelled:\n%s", selector); |
| 174 | return; |
| 175 | } |
| 176 | |
| 177 | print("Unsupported command %s", command); |
| 178 | } |
| 179 | |
| 180 | private void getRequests(PacketService packetService) { |
| 181 | List<PacketRequest> packetRequests = packetService.getRequests(); |
| 182 | if (outputJson()) { |
| 183 | print("%s", json(packetRequests)); |
| 184 | } else { |
| 185 | packetRequests.forEach(packetRequest -> print(packetRequest.toString())); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | private JsonNode json(List<PacketRequest> packetRequests) { |
| 190 | ObjectMapper mapper = new ObjectMapper(); |
| 191 | ArrayNode result = mapper.createArrayNode(); |
| 192 | packetRequests.forEach(packetRequest -> |
| 193 | result.add(jsonForEntity(packetRequest, PacketRequest.class))); |
| 194 | return result; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Constructs a traffic selector based on the command line arguments |
| 199 | * presented to the command. |
| 200 | * @return traffic selector |
| 201 | */ |
| 202 | private TrafficSelector buildTrafficSelector() { |
| 203 | IpPrefix srcIpPrefix = null; |
| 204 | IpPrefix dstIpPrefix = null; |
| 205 | |
| 206 | TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder(); |
| 207 | |
| 208 | if (!isNullOrEmpty(srcIpString)) { |
| 209 | srcIpPrefix = IpPrefix.valueOf(srcIpString); |
| 210 | if (srcIpPrefix.isIp4()) { |
| 211 | selectorBuilder.matchIPSrc(srcIpPrefix); |
| 212 | } else { |
| 213 | selectorBuilder.matchIPv6Src(srcIpPrefix); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | if (!isNullOrEmpty(dstIpString)) { |
| 218 | dstIpPrefix = IpPrefix.valueOf(dstIpString); |
| 219 | if (dstIpPrefix.isIp4()) { |
| 220 | selectorBuilder.matchIPDst(dstIpPrefix); |
| 221 | } else { |
| 222 | selectorBuilder.matchIPv6Dst(dstIpPrefix); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | if ((srcIpPrefix != null) && (dstIpPrefix != null) && |
| 227 | (srcIpPrefix.version() != dstIpPrefix.version())) { |
| 228 | // ERROR: IP src/dst version mismatch |
| 229 | throw new IllegalArgumentException( |
| 230 | "IP source and destination version mismatch"); |
| 231 | } |
| 232 | |
| 233 | // |
| 234 | // Set the default EthType based on the IP version if the matching |
| 235 | // source or destination IP prefixes. |
| 236 | // |
| 237 | Short ethType = null; |
| 238 | if ((srcIpPrefix != null) && srcIpPrefix.isIp6()) { |
| 239 | ethType = EthType.IPV6.value(); |
| 240 | } |
| 241 | if ((dstIpPrefix != null) && dstIpPrefix.isIp6()) { |
| 242 | ethType = EthType.IPV6.value(); |
| 243 | } |
| 244 | if (!isNullOrEmpty(ethTypeString)) { |
| 245 | ethType = EthType.parseFromString(ethTypeString); |
| 246 | } |
| 247 | if (ethType != null) { |
| 248 | selectorBuilder.matchEthType(ethType); |
| 249 | } |
| 250 | if (!isNullOrEmpty(vlanString)) { |
| 251 | selectorBuilder.matchVlanId(VlanId.vlanId(Short.parseShort(vlanString))); |
| 252 | } |
| 253 | if (!isNullOrEmpty(srcMacString)) { |
| 254 | selectorBuilder.matchEthSrc(MacAddress.valueOf(srcMacString)); |
| 255 | } |
| 256 | |
| 257 | if (!isNullOrEmpty(dstMacString)) { |
| 258 | selectorBuilder.matchEthDst(MacAddress.valueOf(dstMacString)); |
| 259 | } |
| 260 | |
| 261 | if (!isNullOrEmpty(ipProtoString)) { |
| 262 | short ipProtoShort = IpProtocol.parseFromString(ipProtoString); |
| 263 | selectorBuilder.matchIPProtocol((byte) ipProtoShort); |
| 264 | } |
| 265 | |
| 266 | if (!isNullOrEmpty(fLabelString)) { |
| 267 | selectorBuilder.matchIPv6FlowLabel(Integer.parseInt(fLabelString)); |
| 268 | } |
| 269 | |
| 270 | if (!isNullOrEmpty(icmp6TypeString)) { |
| 271 | byte icmp6Type = Icmp6Type.parseFromString(icmp6TypeString); |
| 272 | selectorBuilder.matchIcmpv6Type(icmp6Type); |
| 273 | } |
| 274 | |
| 275 | if (!isNullOrEmpty(icmp6CodeString)) { |
| 276 | byte icmp6Code = Icmp6Code.parseFromString(icmp6CodeString); |
| 277 | selectorBuilder.matchIcmpv6Code(icmp6Code); |
| 278 | } |
| 279 | |
| 280 | if (!isNullOrEmpty(ndTargetString)) { |
| 281 | selectorBuilder.matchIPv6NDTargetAddress(Ip6Address.valueOf(ndTargetString)); |
| 282 | } |
| 283 | |
| 284 | if (!isNullOrEmpty(ndSllString)) { |
| 285 | selectorBuilder.matchIPv6NDSourceLinkLayerAddress(MacAddress.valueOf(ndSllString)); |
| 286 | } |
| 287 | |
| 288 | if (!isNullOrEmpty(ndTllString)) { |
| 289 | selectorBuilder.matchIPv6NDTargetLinkLayerAddress(MacAddress.valueOf(ndTllString)); |
| 290 | } |
| 291 | |
| 292 | if (!isNullOrEmpty(srcTcpString)) { |
| 293 | selectorBuilder.matchTcpSrc(TpPort.tpPort(Integer.parseInt(srcTcpString))); |
| 294 | } |
| 295 | |
| 296 | if (!isNullOrEmpty(dstTcpString)) { |
| 297 | selectorBuilder.matchTcpDst(TpPort.tpPort(Integer.parseInt(dstTcpString))); |
| 298 | } |
| 299 | |
| 300 | if (extHdrStringList != null) { |
| 301 | short extHdr = 0; |
| 302 | for (String extHdrString : extHdrStringList) { |
| 303 | extHdr = (short) (extHdr | ExtHeader.parseFromString(extHdrString)); |
| 304 | } |
| 305 | selectorBuilder.matchIPv6ExthdrFlags(extHdr); |
| 306 | } |
| 307 | |
| 308 | return selectorBuilder.build(); |
| 309 | } |
| 310 | } |