Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-2016 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.bmv2.ctl; |
| 18 | |
| 19 | import com.google.common.cache.CacheBuilder; |
| 20 | import com.google.common.cache.CacheLoader; |
| 21 | import com.google.common.cache.LoadingCache; |
| 22 | import com.google.common.cache.RemovalListener; |
| 23 | import com.google.common.cache.RemovalNotification; |
| 24 | import com.google.common.collect.Lists; |
| 25 | import org.apache.commons.lang3.tuple.ImmutablePair; |
| 26 | import org.apache.commons.lang3.tuple.Pair; |
| 27 | import org.apache.thrift.TException; |
| 28 | import org.apache.thrift.protocol.TBinaryProtocol; |
| 29 | import org.apache.thrift.protocol.TMultiplexedProtocol; |
| 30 | import org.apache.thrift.protocol.TProtocol; |
| 31 | import org.apache.thrift.transport.TSocket; |
| 32 | import org.apache.thrift.transport.TTransport; |
| 33 | import org.apache.thrift.transport.TTransportException; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 34 | import org.onlab.util.ImmutableByteSequence; |
| 35 | import org.onosproject.bmv2.api.runtime.Bmv2Action; |
| 36 | import org.onosproject.bmv2.api.runtime.Bmv2ExactMatchParam; |
| 37 | import org.onosproject.bmv2.api.runtime.Bmv2RuntimeException; |
| 38 | import org.onosproject.bmv2.api.runtime.Bmv2LpmMatchParam; |
| 39 | import org.onosproject.bmv2.api.runtime.Bmv2MatchKey; |
| 40 | import org.onosproject.bmv2.api.runtime.Bmv2PortInfo; |
| 41 | import org.onosproject.bmv2.api.runtime.Bmv2TableEntry; |
| 42 | import org.onosproject.bmv2.api.runtime.Bmv2TernaryMatchParam; |
| 43 | import org.onosproject.bmv2.api.runtime.Bmv2ValidMatchParam; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 44 | import org.onosproject.net.DeviceId; |
| 45 | import org.p4.bmv2.thrift.BmAddEntryOptions; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 46 | import org.p4.bmv2.thrift.BmMatchParam; |
| 47 | import org.p4.bmv2.thrift.BmMatchParamExact; |
| 48 | import org.p4.bmv2.thrift.BmMatchParamLPM; |
| 49 | import org.p4.bmv2.thrift.BmMatchParamTernary; |
| 50 | import org.p4.bmv2.thrift.BmMatchParamType; |
| 51 | import org.p4.bmv2.thrift.BmMatchParamValid; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 52 | import org.p4.bmv2.thrift.DevMgrPortInfo; |
| 53 | import org.p4.bmv2.thrift.Standard; |
| 54 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 55 | import java.nio.ByteBuffer; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 56 | import java.util.Collection; |
| 57 | import java.util.List; |
| 58 | import java.util.concurrent.ExecutionException; |
| 59 | import java.util.concurrent.TimeUnit; |
| 60 | import java.util.stream.Collectors; |
| 61 | |
| 62 | import static com.google.common.base.Preconditions.checkNotNull; |
| 63 | |
| 64 | /** |
| 65 | * Implementation of a Thrift client to control the Bmv2 switch. |
| 66 | */ |
| 67 | public final class Bmv2ThriftClient { |
| 68 | /* |
| 69 | FIXME: derive context_id from device id |
| 70 | Using different context id values should serve to control different |
| 71 | switches responding to the same IP address and port |
| 72 | */ |
| 73 | private static final int CONTEXT_ID = 0; |
| 74 | /* |
| 75 | Static transport/client cache: |
| 76 | - avoids opening a new transport session when there's one already open |
| 77 | - close the connection after a predefined timeout of 5 seconds |
| 78 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 79 | private static LoadingCache<DeviceId, Bmv2ThriftClient> |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 80 | clientCache = CacheBuilder.newBuilder() |
| 81 | .expireAfterAccess(5, TimeUnit.SECONDS) |
| 82 | .removalListener(new ClientRemovalListener()) |
| 83 | .build(new ClientLoader()); |
| 84 | private final Standard.Iface stdClient; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 85 | private final TTransport transport; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 86 | |
| 87 | // ban constructor |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 88 | private Bmv2ThriftClient(TTransport transport, Standard.Iface stdClient) { |
| 89 | this.transport = transport; |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 90 | this.stdClient = stdClient; |
| 91 | } |
| 92 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 93 | private void closeTransport() { |
| 94 | this.transport.close(); |
| 95 | } |
| 96 | |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 97 | /** |
| 98 | * Returns a client object to control the passed device. |
| 99 | * |
| 100 | * @param deviceId device id |
| 101 | * @return bmv2 client object |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 102 | * @throws Bmv2RuntimeException if a connection to the device cannot be established |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 103 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 104 | public static Bmv2ThriftClient of(DeviceId deviceId) throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 105 | try { |
| 106 | checkNotNull(deviceId, "deviceId cannot be null"); |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 107 | return clientCache.get(deviceId); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 108 | } catch (ExecutionException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 109 | throw new Bmv2RuntimeException(e.getMessage(), e.getCause()); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Pings the device. Returns true if the device is reachable, |
| 115 | * false otherwise. |
| 116 | * |
| 117 | * @param deviceId device id |
| 118 | * @return true if reachable, false otherwise |
| 119 | */ |
| 120 | public static boolean ping(DeviceId deviceId) { |
| 121 | // poll ports status as workaround to assess device reachability |
| 122 | try { |
| 123 | of(deviceId).stdClient.bm_dev_mgr_show_ports(); |
| 124 | return true; |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 125 | } catch (TException | Bmv2RuntimeException e) { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 126 | return false; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Parse device ID into host and port. |
| 132 | * |
| 133 | * @param did device ID |
| 134 | * @return a pair of host and port |
| 135 | */ |
| 136 | private static Pair<String, Integer> parseDeviceId(DeviceId did) { |
| 137 | String[] info = did.toString().split(":"); |
| 138 | if (info.length == 3) { |
| 139 | String host = info[1]; |
| 140 | int port = Integer.parseInt(info[2]); |
| 141 | return ImmutablePair.of(host, port); |
| 142 | } else { |
| 143 | throw new IllegalArgumentException( |
| 144 | "Unable to parse BMv2 device ID " |
| 145 | + did.toString() |
| 146 | + ", expected format is scheme:host:port"); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | /** |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 151 | * Builds a list of Bmv2/Thrift compatible match parameters. |
| 152 | * |
| 153 | * @param matchKey a bmv2 matchKey |
| 154 | * @return list of thrift-compatible bm match parameters |
| 155 | */ |
| 156 | private static List<BmMatchParam> buildMatchParamsList(Bmv2MatchKey matchKey) { |
| 157 | List<BmMatchParam> paramsList = Lists.newArrayList(); |
| 158 | matchKey.matchParams().forEach(x -> { |
| 159 | switch (x.type()) { |
| 160 | case EXACT: |
| 161 | paramsList.add( |
| 162 | new BmMatchParam(BmMatchParamType.EXACT) |
| 163 | .setExact(new BmMatchParamExact( |
| 164 | ((Bmv2ExactMatchParam) x).value().asReadOnlyBuffer()))); |
| 165 | break; |
| 166 | case TERNARY: |
| 167 | paramsList.add( |
| 168 | new BmMatchParam(BmMatchParamType.TERNARY) |
| 169 | .setTernary(new BmMatchParamTernary( |
| 170 | ((Bmv2TernaryMatchParam) x).value().asReadOnlyBuffer(), |
| 171 | ((Bmv2TernaryMatchParam) x).mask().asReadOnlyBuffer()))); |
| 172 | break; |
| 173 | case LPM: |
| 174 | paramsList.add( |
| 175 | new BmMatchParam(BmMatchParamType.LPM) |
| 176 | .setLpm(new BmMatchParamLPM( |
| 177 | ((Bmv2LpmMatchParam) x).value().asReadOnlyBuffer(), |
| 178 | ((Bmv2LpmMatchParam) x).prefixLength()))); |
| 179 | break; |
| 180 | case VALID: |
| 181 | paramsList.add( |
| 182 | new BmMatchParam(BmMatchParamType.VALID) |
| 183 | .setValid(new BmMatchParamValid( |
| 184 | ((Bmv2ValidMatchParam) x).flag()))); |
| 185 | break; |
| 186 | default: |
| 187 | // should never be here |
| 188 | throw new RuntimeException("Unknown match param type " + x.type().name()); |
| 189 | } |
| 190 | }); |
| 191 | return paramsList; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Build a list of Bmv2/Thrift compatible action parameters. |
| 196 | * |
| 197 | * @param action an action object |
| 198 | * @return list of ByteBuffers |
| 199 | */ |
| 200 | private static List<ByteBuffer> buildActionParamsList(Bmv2Action action) { |
| 201 | return action.parameters() |
| 202 | .stream() |
| 203 | .map(ImmutableByteSequence::asReadOnlyBuffer) |
| 204 | .collect(Collectors.toList()); |
| 205 | } |
| 206 | |
| 207 | /** |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 208 | * Adds a new table entry. |
| 209 | * |
| 210 | * @param entry a table entry value |
| 211 | * @return table-specific entry ID |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 212 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 213 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 214 | public final long addTableEntry(Bmv2TableEntry entry) throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 215 | |
| 216 | long entryId = -1; |
| 217 | |
| 218 | try { |
| 219 | BmAddEntryOptions options = new BmAddEntryOptions(); |
| 220 | |
| 221 | if (entry.hasPriority()) { |
| 222 | options.setPriority(entry.priority()); |
| 223 | } |
| 224 | |
| 225 | entryId = stdClient.bm_mt_add_entry( |
| 226 | CONTEXT_ID, |
| 227 | entry.tableName(), |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 228 | buildMatchParamsList(entry.matchKey()), |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 229 | entry.action().name(), |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 230 | buildActionParamsList(entry.action()), |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 231 | options); |
| 232 | |
| 233 | if (entry.hasTimeout()) { |
| 234 | /* bmv2 accepts timeouts in milliseconds */ |
| 235 | int msTimeout = (int) Math.round(entry.timeout() * 1_000); |
| 236 | stdClient.bm_mt_set_entry_ttl( |
| 237 | CONTEXT_ID, entry.tableName(), entryId, msTimeout); |
| 238 | } |
| 239 | |
| 240 | return entryId; |
| 241 | |
| 242 | } catch (TException e) { |
| 243 | if (entryId != -1) { |
| 244 | try { |
| 245 | stdClient.bm_mt_delete_entry( |
| 246 | CONTEXT_ID, entry.tableName(), entryId); |
| 247 | } catch (TException e1) { |
| 248 | // this should never happen as we know the entry is there |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 249 | throw new Bmv2RuntimeException(e1.getMessage(), e1); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 250 | } |
| 251 | } |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 252 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 253 | } |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Modifies a currently installed entry by updating its action. |
| 258 | * |
| 259 | * @param tableName string value of table name |
| 260 | * @param entryId long value of entry ID |
| 261 | * @param action an action value |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 262 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 263 | */ |
| 264 | public final void modifyTableEntry(String tableName, |
| 265 | long entryId, Bmv2Action action) |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 266 | throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 267 | |
| 268 | try { |
| 269 | stdClient.bm_mt_modify_entry( |
| 270 | CONTEXT_ID, |
| 271 | tableName, |
| 272 | entryId, |
| 273 | action.name(), |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 274 | buildActionParamsList(action)); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 275 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 276 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 277 | } |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Deletes currently installed entry. |
| 282 | * |
| 283 | * @param tableName string value of table name |
| 284 | * @param entryId long value of entry ID |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 285 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 286 | */ |
| 287 | public final void deleteTableEntry(String tableName, |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 288 | long entryId) throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 289 | |
| 290 | try { |
| 291 | stdClient.bm_mt_delete_entry(CONTEXT_ID, tableName, entryId); |
| 292 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 293 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 294 | } |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Sets table default action. |
| 299 | * |
| 300 | * @param tableName string value of table name |
| 301 | * @param action an action value |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 302 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 303 | */ |
| 304 | public final void setTableDefaultAction(String tableName, Bmv2Action action) |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 305 | throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 306 | |
| 307 | try { |
| 308 | stdClient.bm_mt_set_default_action( |
| 309 | CONTEXT_ID, |
| 310 | tableName, |
| 311 | action.name(), |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 312 | buildActionParamsList(action)); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 313 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 314 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 315 | } |
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * Returns information of the ports currently configured in the switch. |
| 320 | * |
| 321 | * @return collection of port information |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 322 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 323 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 324 | public Collection<Bmv2PortInfo> getPortsInfo() throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 325 | |
| 326 | try { |
| 327 | List<DevMgrPortInfo> portInfos = stdClient.bm_dev_mgr_show_ports(); |
| 328 | |
| 329 | Collection<Bmv2PortInfo> bmv2PortInfos = Lists.newArrayList(); |
| 330 | |
| 331 | bmv2PortInfos.addAll( |
| 332 | portInfos.stream() |
| 333 | .map(Bmv2PortInfo::new) |
| 334 | .collect(Collectors.toList())); |
| 335 | |
| 336 | return bmv2PortInfos; |
| 337 | |
| 338 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 339 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 340 | } |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Return a string representation of a table content. |
| 345 | * |
| 346 | * @param tableName string value of table name |
| 347 | * @return table string dump |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 348 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 349 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 350 | public String dumpTable(String tableName) throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 351 | |
| 352 | try { |
| 353 | return stdClient.bm_dump_table(CONTEXT_ID, tableName); |
| 354 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 355 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 356 | } |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Reset the state of the switch (e.g. delete all entries, etc.). |
| 361 | * |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 362 | * @throws Bmv2RuntimeException if any error occurs |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 363 | */ |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 364 | public void resetState() throws Bmv2RuntimeException { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 365 | |
| 366 | try { |
| 367 | stdClient.bm_reset_state(); |
| 368 | } catch (TException e) { |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 369 | throw new Bmv2RuntimeException(e.getMessage(), e); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 370 | } |
| 371 | } |
| 372 | |
| 373 | /** |
| 374 | * Transport/client cache loader. |
| 375 | */ |
| 376 | private static class ClientLoader |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 377 | extends CacheLoader<DeviceId, Bmv2ThriftClient> { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 378 | |
| 379 | @Override |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 380 | public Bmv2ThriftClient load(DeviceId deviceId) |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 381 | throws TTransportException { |
| 382 | Pair<String, Integer> info = parseDeviceId(deviceId); |
| 383 | //make the expensive call |
| 384 | TTransport transport = new TSocket( |
| 385 | info.getLeft(), info.getRight()); |
| 386 | TProtocol protocol = new TBinaryProtocol(transport); |
| 387 | Standard.Iface stdClient = new Standard.Client( |
| 388 | new TMultiplexedProtocol(protocol, "standard")); |
| 389 | |
| 390 | transport.open(); |
| 391 | |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 392 | return new Bmv2ThriftClient(transport, stdClient); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 393 | } |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * Client cache removal listener. Close the connection on cache removal. |
| 398 | */ |
| 399 | private static class ClientRemovalListener implements |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 400 | RemovalListener<DeviceId, Bmv2ThriftClient> { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 401 | |
| 402 | @Override |
| 403 | public void onRemoval( |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 404 | RemovalNotification<DeviceId, Bmv2ThriftClient> notification) { |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 405 | // close the transport connection |
Carmelo Cascone | aa8b629 | 2016-04-13 14:27:06 -0700 | [diff] [blame^] | 406 | notification.getValue().closeTransport(); |
Carmelo Cascone | 2ea177b | 2016-02-25 18:38:42 -0800 | [diff] [blame] | 407 | } |
| 408 | } |
| 409 | } |