| 1 | package diskCacheV111.poolManager ; |
| 2 | |
| 3 | import java.io.PrintWriter; |
| 4 | import java.util.Arrays; |
| 5 | import java.util.ArrayList; |
| 6 | import java.util.Collection; |
| 7 | import java.util.Collections; |
| 8 | import java.util.Date; |
| 9 | import java.util.HashMap; |
| 10 | import java.util.Iterator; |
| 11 | import java.util.List; |
| 12 | import java.util.Map; |
| 13 | import java.util.NoSuchElementException; |
| 14 | import java.util.StringTokenizer; |
| 15 | |
| 16 | import org.slf4j.Logger; |
| 17 | import org.slf4j.LoggerFactory; |
| 18 | import org.dcache.poolmanager.Utils; |
| 19 | |
| 20 | import diskCacheV111.poolManager.PoolSelectionUnit.DirectionType; |
| 21 | import diskCacheV111.pools.PoolV2Mode; |
| 22 | import diskCacheV111.util.CacheException; |
| 23 | import diskCacheV111.util.PnfsId; |
| 24 | import diskCacheV111.util.Version; |
| 25 | import diskCacheV111.vehicles.GenericStorageInfo; |
| 26 | import diskCacheV111.vehicles.IpProtocolInfo; |
| 27 | import diskCacheV111.vehicles.PoolCostCheckable; |
| 28 | import diskCacheV111.vehicles.PoolLinkGroupInfo; |
| 29 | import diskCacheV111.vehicles.PoolManagerGetPoolListMessage; |
| 30 | import diskCacheV111.vehicles.PoolManagerPoolModeMessage; |
| 31 | import diskCacheV111.vehicles.PoolManagerPoolUpMessage; |
| 32 | import diskCacheV111.vehicles.PoolManagerGetPoolsByNameMessage; |
| 33 | import diskCacheV111.vehicles.PoolManagerGetPoolsByLinkMessage; |
| 34 | import diskCacheV111.vehicles.PoolManagerGetPoolsByPoolGroupMessage; |
| 35 | import diskCacheV111.vehicles.PoolMgrGetPoolByLink; |
| 36 | import diskCacheV111.vehicles.PoolMgrGetPoolLinkGroups; |
| 37 | import diskCacheV111.vehicles.PoolMgrQueryPoolsMsg; |
| 38 | import diskCacheV111.vehicles.PoolMgrSelectWritePoolMsg; |
| 39 | import diskCacheV111.vehicles.PoolStatusChangedMessage; |
| 40 | import diskCacheV111.vehicles.ProtocolInfo; |
| 41 | import diskCacheV111.vehicles.QuotaMgrCheckQuotaMessage; |
| 42 | import diskCacheV111.vehicles.StorageInfo; |
| 43 | import diskCacheV111.vehicles.PoolManagerPoolInformation; |
| 44 | import dmg.cells.nucleus.CellInfo; |
| 45 | import dmg.cells.nucleus.CellMessage; |
| 46 | import dmg.cells.nucleus.CellPath; |
| 47 | import dmg.cells.nucleus.CellVersion; |
| 48 | import dmg.cells.nucleus.DelayedReply; |
| 49 | import dmg.cells.nucleus.CDC; |
| 50 | import dmg.cells.nucleus.NoRouteToCellException; |
| 51 | import dmg.util.Args; |
| 52 | import dmg.util.CommandException; |
| 53 | |
| 54 | import org.dcache.cells.AbstractCellComponent; |
| 55 | import org.dcache.cells.CellCommandListener; |
| 56 | import org.dcache.cells.CellMessageReceiver; |
| 57 | import org.dcache.vehicles.PoolManagerSelectLinkGroupForWriteMessage; |
| 58 | |
| 59 | public class PoolManagerV5 |
| 60 | extends AbstractCellComponent |
| 61 | implements CellCommandListener, |
| 62 | CellMessageReceiver |
| 63 | { |
| 64 | private int _writeThreads = 0 ; |
| 65 | private int _readThreads = 0 ; |
| 66 | |
| 67 | private int _counterPoolUp = 0 ; |
| 68 | private int _counterSelectWritePool= 0 ; |
| 69 | private int _counterSelectReadPool = 0 ; |
| 70 | |
| 71 | private Map _readHandlerList = new HashMap() ; |
| 72 | private final Object _readHandlerLock = new Object() ; |
| 73 | |
| 74 | private PoolSelectionUnit _selectionUnit ; |
| 75 | private PoolMonitorV5 _poolMonitor ; |
| 76 | |
| 77 | private long _pnfsTimeout = 15 * 1000; |
| 78 | private long _readPoolTimeout = 15 * 1000; |
| 79 | private long _poolFetchTimeout = 5 * 24 * 3600 * 1000; |
| 80 | private long _writePoolTimeout = 15 * 1000; |
| 81 | private long _poolTimeout = 15 * 1000; |
| 82 | |
| 83 | private CostModule _costModule ; |
| 84 | private CellPath _poolStatusRelayPath = null ; |
| 85 | |
| 86 | private RequestContainerV5 _requestContainer ; |
| 87 | private WatchdogThread _watchdog = null ; |
| 88 | |
| 89 | private boolean _sendCostInfo = false ; //VP |
| 90 | private boolean _quotasEnabled = false ; |
| 91 | private String _quotaManager = "none"; |
| 92 | |
| 93 | |
| 94 | private final static Logger _log = LoggerFactory.getLogger(PoolManagerV5.class); |
| 95 | private final static Logger _logPoolMonitor = LoggerFactory.getLogger("logger.org.dcache.poolmonitor." + PoolManagerV5.class.getName()); |
| 96 | |
| 97 | |
| 98 | public PoolManagerV5() |
| 99 | { |
| 100 | } |
| 101 | |
| 102 | public void setPoolSelectionUnit(PoolSelectionUnit selectionUnit) |
| 103 | { |
| 104 | _selectionUnit = selectionUnit; |
| 105 | } |
| 106 | |
| 107 | public void setCostModule(CostModule costModule) |
| 108 | { |
| 109 | _costModule = costModule; |
| 110 | } |
| 111 | |
| 112 | public void setPoolMonitor(PoolMonitorV5 poolMonitor) |
| 113 | { |
| 114 | _poolMonitor = poolMonitor; |
| 115 | } |
| 116 | |
| 117 | public void setRequestContainer(RequestContainerV5 requestContainer) |
| 118 | { |
| 119 | _requestContainer = requestContainer; |
| 120 | } |
| 121 | |
| 122 | public void setPoolStatusRelayPath(CellPath poolStatusRelayPath) |
| 123 | { |
| 124 | _poolStatusRelayPath = |
| 125 | (poolStatusRelayPath.hops() == 0) |
| 126 | ? null |
| 127 | : poolStatusRelayPath; |
| 128 | } |
| 129 | |
| 130 | public void setQuotaManager(String quotaManager) |
| 131 | { |
| 132 | _quotaManager = quotaManager; |
| 133 | _quotasEnabled = !_quotaManager.equals("none"); |
| 134 | } |
| 135 | |
| 136 | public void setSendCostInfo(boolean sendCostInfo) |
| 137 | { |
| 138 | _sendCostInfo = sendCostInfo; |
| 139 | } |
| 140 | |
| 141 | public void init() |
| 142 | { |
| 143 | String watchdogParam = getArgs().getOpt("watchdog"); |
| 144 | if (watchdogParam != null && watchdogParam.length() > 0) { |
| 145 | _watchdog = new WatchdogThread(watchdogParam); |
| 146 | } else { |
| 147 | _watchdog = new WatchdogThread(); |
| 148 | } |
| 149 | _log.info("Watchdog : " + _watchdog); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public CellInfo getCellInfo(CellInfo info) |
| 154 | { |
| 155 | PoolManagerCellInfo pminfo = new PoolManagerCellInfo(info); |
| 156 | pminfo.setCellVersion(new CellVersion(Version.getVersion(),"$Revision: 14256 $")); |
| 157 | pminfo.setPoolList(_selectionUnit.getActivePools()); |
| 158 | return pminfo; |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public void printSetup(PrintWriter writer) |
| 163 | { |
| 164 | writer.print("#\n# Setup of "); |
| 165 | writer.print(getCellName()); |
| 166 | writer.print(" ("); |
| 167 | writer.print(getClass().getName()); |
| 168 | writer.print(") at "); |
| 169 | writer.println(new Date().toString()); |
| 170 | writer.println("#"); |
| 171 | writer.print("set timeout pool "); |
| 172 | writer.println(""+(_poolMonitor.getPoolTimeout()/1000L)); |
| 173 | writer.println("#"); |
| 174 | } |
| 175 | |
| 176 | private class WatchdogThread implements Runnable { |
| 177 | private long _deathDetected = 10L * 60L * 1000L; // 10 minutes |
| 178 | private long _sleepTimer = 1L * 60L * 1000L; // 1 minute |
| 179 | private long _watchdogSequenceCounter = 0L; |
| 180 | |
| 181 | public WatchdogThread() { |
| 182 | new Thread(this, "watchdog").start(); |
| 183 | _log.info("WatchdogThread initialized with : " + this); |
| 184 | } |
| 185 | |
| 186 | public WatchdogThread(String parameter) { |
| 187 | // |
| 188 | // [<deathDetection>]:[<sleeper>] |
| 189 | // |
| 190 | long deathDetected = 0; |
| 191 | long sleeping = 0; |
| 192 | try { |
| 193 | StringTokenizer st = new StringTokenizer(parameter, ":"); |
| 194 | String tmp = null; |
| 195 | if (st.hasMoreTokens()) { |
| 196 | tmp = st.nextToken(); |
| 197 | if (tmp.length() > 0) |
| 198 | deathDetected = Long.parseLong(tmp); |
| 199 | } |
| 200 | if (st.hasMoreTokens()) { |
| 201 | tmp = st.nextToken(); |
| 202 | if (tmp.length() > 0) |
| 203 | sleeping = Long.parseLong(tmp); |
| 204 | } |
| 205 | |
| 206 | if ((deathDetected < 10) || (sleeping < 10)) |
| 207 | throw new IllegalArgumentException("Timers to small : " + parameter); |
| 208 | |
| 209 | if (deathDetected > 0L) |
| 210 | _deathDetected = deathDetected * 1000L; |
| 211 | if (sleeping > 0L) |
| 212 | _sleepTimer = sleeping * 1000L; |
| 213 | |
| 214 | } catch (Exception ee) { |
| 215 | _log.warn("WatchdogThread : illegal arguments [" + parameter + "] (using defaults) " + ee.getMessage()); |
| 216 | } |
| 217 | new Thread(this, "watchdog").start(); |
| 218 | _log.info("WatchdogThread initialized with : " + this); |
| 219 | } |
| 220 | |
| 221 | public void run() { |
| 222 | _log.info("watchdog thread activated"); |
| 223 | while (true) { |
| 224 | try { |
| 225 | Thread.sleep(_sleepTimer); |
| 226 | } catch (InterruptedException e) { |
| 227 | _log.info("watchdog thread interrupted"); |
| 228 | break; |
| 229 | } |
| 230 | runWatchdogSequence(_deathDetected); |
| 231 | _watchdogSequenceCounter++; |
| 232 | } |
| 233 | _log.info("watchdog finished"); |
| 234 | } |
| 235 | |
| 236 | @Override |
| 237 | public String toString() { |
| 238 | return "DeathDetection=" + (_deathDetected / 1000L) + ";Sleep=" |
| 239 | + (_sleepTimer / 1000L) + ";Counter=" |
| 240 | + _watchdogSequenceCounter + ";"; |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | public PoolManagerPoolModeMessage |
| 245 | messageArrived(PoolManagerPoolModeMessage msg) |
| 246 | { |
| 247 | PoolSelectionUnit.SelectionPool pool = _selectionUnit.getPool(msg |
| 248 | .getPoolName()); |
| 249 | if (pool == null) { |
| 250 | msg.setFailed(563, "Pool not found : " + msg.getPoolName()); |
| 251 | } else if (msg.getPoolMode() == PoolManagerPoolModeMessage.UNDEFINED) { |
| 252 | // |
| 253 | // get pool mode |
| 254 | // |
| 255 | msg.setPoolMode(PoolManagerPoolModeMessage.READ | (pool.isReadOnly() ? 0 : PoolManagerPoolModeMessage.WRITE)); |
| 256 | } else { |
| 257 | // |
| 258 | // set pool mode |
| 259 | // |
| 260 | pool.setReadOnly((msg.getPoolMode() & PoolManagerPoolModeMessage.WRITE) == 0); |
| 261 | } |
| 262 | |
| 263 | msg.setSucceeded(); |
| 264 | return msg; |
| 265 | } |
| 266 | |
| 267 | private void runWatchdogSequence(long deathDetectedTimer) |
| 268 | { |
| 269 | for (String name : _selectionUnit.getDefinedPools(false)) { |
| 270 | PoolSelectionUnit.SelectionPool pool = _selectionUnit.getPool(name); |
| 271 | if (pool != null) { |
| 272 | if (pool.getActive() > deathDetectedTimer |
| 273 | && pool.setSerialId(0L)) { |
| 274 | |
| 275 | if( _logPoolMonitor.isDebugEnabled() ) { |
| 276 | _logPoolMonitor.debug("Pool " + name + " declared as DOWN (no ping in " + deathDetectedTimer/1000 +" seconds)."); |
| 277 | } |
| 278 | _requestContainer.poolStatusChanged(name, PoolStatusChangedMessage.DOWN); |
| 279 | sendPoolStatusRelay(name, PoolStatusChangedMessage.DOWN, |
| 280 | null, 666, "DEAD"); |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | @Override |
| 287 | public void getInfo( PrintWriter pw ){ |
| 288 | pw.println("PoolManager V [$Id: PoolManagerV5.java,v 1.48 2007-10-10 08:05:34 tigran Exp $]"); |
| 289 | pw.println(" SelectionUnit : "+_selectionUnit.getVersion() ) ; |
| 290 | pw.println(" Write Threads : "+_writeThreads) ; |
| 291 | pw.println(" Read Threads : "+_readThreads) ; |
| 292 | pw.println(" Pool Timeout : "+_poolMonitor.getPoolTimeout()/1000L) ; |
| 293 | pw.println("Message counts") ; |
| 294 | pw.println(" PoolUp : "+_counterPoolUp ) ; |
| 295 | pw.println(" SelectReadPool : "+_counterSelectReadPool ) ; |
| 296 | pw.println(" SelectWritePool : "+_counterSelectWritePool ) ; |
| 297 | if( _watchdog == null ){ |
| 298 | pw.println(" Watchdog : disabled" ) ; |
| 299 | }else{ |
| 300 | pw.println(" Watchdog : "+_watchdog ) ; |
| 301 | } |
| 302 | } |
| 303 | public String hh_set_max_threads = " # DEPRICATED " ; |
| 304 | public String ac_set_max_threads_$_1( Args args )throws CommandException{ |
| 305 | return "" ; |
| 306 | } |
| 307 | public String hh_set_timeout_pool = "[-read] [-write] <timeout/secs>" ; |
| 308 | public String ac_set_timeout_pool_$_1( Args args )throws CommandException{ |
| 309 | boolean isWrite = args.getOpt("write") != null ; |
| 310 | boolean isRead = args.getOpt("read") != null ; |
| 311 | long timeout = Integer.parseInt(args.argv(0)) * 1000 ; |
| 312 | if( ( ! isWrite ) && ( ! isRead ) ){ |
| 313 | _readPoolTimeout = _writePoolTimeout = timeout ; |
| 314 | _poolMonitor.setPoolTimeout(_readPoolTimeout); |
| 315 | return "" ; |
| 316 | } |
| 317 | if( isWrite )_writePoolTimeout = timeout ; |
| 318 | if( isRead ){ |
| 319 | _readPoolTimeout = timeout ; |
| 320 | _poolMonitor.setPoolTimeout(_readPoolTimeout); |
| 321 | } |
| 322 | return "" ; |
| 323 | } |
| 324 | public String hh_set_timeout_pnfs = "<timeout/secs>" ; |
| 325 | public String ac_set_timeout_pnfs_$_1( Args args )throws CommandException{ |
| 326 | _pnfsTimeout = Integer.parseInt(args.argv(0)) * 1000 ; |
| 327 | return "" ; |
| 328 | } |
| 329 | public String hh_set_timeout_fetch = "<timeout/min>" ; |
| 330 | public String ac_set_timeout_fetch_$_1( Args args )throws CommandException{ |
| 331 | _poolFetchTimeout = Integer.parseInt(args.argv(0)) * 1000 * 60 ; |
| 332 | return "" ; |
| 333 | } |
| 334 | public String hh_getpoolsbylink = "<linkName> [-size=<filesize>]" ; |
| 335 | public String ac_getpoolsbylink_$_1( Args args )throws Exception { |
| 336 | String sizeString = args.getOpt("size") ; |
| 337 | long size = sizeString == null ? 50000000L : Long.parseLong( sizeString ) ; |
| 338 | String linkName = args.argv(0) ; |
| 339 | |
| 340 | List list = _poolMonitor.queryPoolsByLinkName( linkName , size ) ; |
| 341 | |
| 342 | StringBuffer sb = new StringBuffer() ; |
| 343 | for( Iterator i = list.iterator() ; i.hasNext() ; ){ |
| 344 | sb.append( i.next().toString() ).append("\n"); |
| 345 | } |
| 346 | return sb.toString() ; |
| 347 | } |
| 348 | |
| 349 | public synchronized |
| 350 | void messageArrived(PoolManagerPoolUpMessage poolMessage) |
| 351 | { |
| 352 | _counterPoolUp++; |
| 353 | |
| 354 | String poolName = poolMessage.getPoolName(); |
| 355 | PoolSelectionUnit.SelectionPool pool = |
| 356 | _selectionUnit.getPool(poolName, true); |
| 357 | |
| 358 | PoolV2Mode newMode = poolMessage.getPoolMode(); |
| 359 | PoolV2Mode oldMode = pool.getPoolMode(); |
| 360 | |
| 361 | if (_logPoolMonitor.isDebugEnabled()) { |
| 362 | _logPoolMonitor.debug("PoolUp message from " + poolName |
| 363 | + " with mode " + newMode |
| 364 | + " and serialId " + poolMessage.getSerialId()); |
| 365 | } |
| 366 | |
| 367 | /* For compatibility with previous versions of dCache, a pool |
| 368 | * marked DISABLED, but without any other DISABLED_ flags set |
| 369 | * is considered fully disabled. |
| 370 | */ |
| 371 | boolean disabled = |
| 372 | newMode.getMode() == PoolV2Mode.DISABLED |
| 373 | || newMode.isDisabled(PoolV2Mode.DISABLED_DEAD) |
| 374 | || newMode.isDisabled(PoolV2Mode.DISABLED_STRICT); |
| 375 | |
| 376 | /* By convention, the serial number is set to zero when a pool |
| 377 | * is disabled. This is used by the watchdog to identify, that |
| 378 | * we have already announced that the pool is down. |
| 379 | */ |
| 380 | long serial = disabled ? 0 : poolMessage.getSerialId(); |
| 381 | |
| 382 | /* Any change in the kind of operations a pool might be able |
| 383 | * to perform has to be propagated to a number of other |
| 384 | * components. |
| 385 | * |
| 386 | * Notice that calling setSerialId has a side-effect, which is |
| 387 | * why we call it first. |
| 388 | */ |
| 389 | boolean changed = |
| 390 | pool.setSerialId(serial) |
| 391 | || pool.isActive() == disabled |
| 392 | || (newMode.getMode() != oldMode.getMode()) |
| 393 | || !pool.getHsmInstances().equals(poolMessage.getHsmInstances()); |
| 394 | |
| 395 | pool.setPoolMode(newMode); |
| 396 | pool.setHsmInstances(poolMessage.getHsmInstances()); |
| 397 | pool.setActive(!disabled); |
| 398 | |
| 399 | /* Notify others in case the pool status has changed. Due to |
| 400 | * limitations of the PoolStatusChangedMessage, we will often |
| 401 | * send a RESTART notification, when in fact only the pool |
| 402 | * mode has changed. |
| 403 | */ |
| 404 | if (changed) { |
| 405 | _logPoolMonitor.info("Pool " + poolName + " changed from mode " |
| 406 | + oldMode + " to " + newMode); |
| 407 | |
| 408 | if (disabled) { |
| 409 | _requestContainer.poolStatusChanged(poolName, |
| 410 | PoolStatusChangedMessage.DOWN); |
| 411 | sendPoolStatusRelay(poolName, PoolStatusChangedMessage.DOWN, |
| 412 | poolMessage.getPoolMode(), |
| 413 | poolMessage.getCode(), |
| 414 | poolMessage.getMessage()); |
| 415 | } else { |
| 416 | _requestContainer.poolStatusChanged(poolName, |
| 417 | PoolStatusChangedMessage.UP); |
| 418 | sendPoolStatusRelay(poolName, PoolStatusChangedMessage.RESTART); |
| 419 | } |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | private void sendPoolStatusRelay( String poolName , int status ){ |
| 424 | sendPoolStatusRelay( poolName , status , null , 0 , null ) ; |
| 425 | } |
| 426 | private void sendPoolStatusRelay( String poolName , int status , |
| 427 | PoolV2Mode poolMode , |
| 428 | int statusCode , String statusMessage ){ |
| 429 | |
| 430 | if( _poolStatusRelayPath == null )return ; |
| 431 | |
| 432 | try{ |
| 433 | |
| 434 | PoolStatusChangedMessage msg = new PoolStatusChangedMessage( poolName , status ) ; |
| 435 | msg.setPoolMode( poolMode ) ; |
| 436 | msg.setDetail( statusCode , statusMessage ) ; |
| 437 | _log.info("sendPoolStatusRelay : "+msg); |
| 438 | sendMessage( |
| 439 | new CellMessage( _poolStatusRelayPath , msg ) |
| 440 | ) ; |
| 441 | |
| 442 | }catch(Exception ee ){ |
| 443 | _log.warn("Failed to send poolStatus changed message : "+ee ) ; |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | public PoolMgrGetPoolLinkGroups |
| 448 | messageArrived(PoolMgrGetPoolLinkGroups msg) |
| 449 | { |
| 450 | Collection<PoolLinkGroupInfo> linkGroupInfos = Utils.linkGroupInfos(_selectionUnit, _costModule).values(); |
| 451 | |
| 452 | PoolLinkGroupInfo[] poolLinkGroupInfos = linkGroupInfos.toArray(new PoolLinkGroupInfo[linkGroupInfos.size()]); |
| 453 | msg.setPoolLinkGroupInfos(poolLinkGroupInfos); |
| 454 | msg.setSucceeded(); |
| 455 | return msg; |
| 456 | } |
| 457 | |
| 458 | public PoolManagerGetPoolListMessage |
| 459 | messageArrived(PoolManagerGetPoolListMessage msg) |
| 460 | { |
| 461 | String [] pools = _selectionUnit.getActivePools() ; |
| 462 | msg.setPoolList(Arrays.asList(pools)) ; |
| 463 | msg.setSucceeded(); |
| 464 | return msg; |
| 465 | } |
| 466 | |
| 467 | public PoolMgrGetPoolByLink |
| 468 | messageArrived(PoolMgrGetPoolByLink msg) |
| 469 | throws CacheException |
| 470 | { |
| 471 | String linkName = msg.getLinkName(); |
| 472 | long filesize = msg.getFilesize(); |
| 473 | |
| 474 | try { |
| 475 | List<PoolCostCheckable> pools = |
| 476 | _poolMonitor.queryPoolsByLinkName( linkName , filesize ) ; |
| 477 | if ((pools == null) || pools.isEmpty()) |
| 478 | throw new CacheException(57, "No appropriate pools found for link: "+linkName); |
| 479 | msg.setPoolName(pools.get(0).getPoolName()); |
| 480 | msg.setSucceeded(); |
| 481 | } catch (InterruptedException e) { |
| 482 | throw new CacheException(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, |
| 483 | "Pool manager is shutting down"); |
| 484 | } |
| 485 | return msg; |
| 486 | } |
| 487 | |
| 488 | public PoolManagerGetPoolsByNameMessage |
| 489 | messageArrived(PoolManagerGetPoolsByNameMessage msg) |
| 490 | throws CacheException |
| 491 | { |
| 492 | try { |
| 493 | List<PoolManagerPoolInformation> pools = new ArrayList(); |
| 494 | for (String name: msg.getPoolNames()) { |
| 495 | try { |
| 496 | pools.add(_poolMonitor.getPoolInformation(name)); |
| 497 | } catch (NoSuchElementException e) { |
| 498 | /* Don't include a pool that doesn't exist. |
| 499 | */ |
| 500 | } |
| 501 | } |
| 502 | msg.setPools(pools); |
| 503 | msg.setSucceeded(); |
| 504 | } catch (InterruptedException e) { |
| 505 | throw new CacheException(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, |
| 506 | "Pool manager is shutting down"); |
| 507 | } |
| 508 | return msg; |
| 509 | } |
| 510 | |
| 511 | public PoolManagerGetPoolsByLinkMessage |
| 512 | messageArrived(PoolManagerGetPoolsByLinkMessage msg) |
| 513 | throws CacheException |
| 514 | { |
| 515 | try { |
| 516 | msg.setPools(_poolMonitor.getPoolsByLink(msg.getLink())); |
| 517 | msg.setSucceeded(); |
| 518 | } catch (InterruptedException e) { |
| 519 | throw new CacheException(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, |
| 520 | "Pool manager is shutting down"); |
| 521 | } catch (NoSuchElementException e) { |
| 522 | Collection<PoolManagerPoolInformation> empty = |
| 523 | Collections.emptyList(); |
| 524 | msg.setPools(empty); |
| 525 | msg.setSucceeded(); |
| 526 | } |
| 527 | return msg; |
| 528 | } |
| 529 | |
| 530 | public PoolManagerGetPoolsByPoolGroupMessage |
| 531 | messageArrived(PoolManagerGetPoolsByPoolGroupMessage msg) |
| 532 | throws CacheException |
| 533 | { |
| 534 | try { |
| 535 | msg.setPools(_poolMonitor.getPoolsByPoolGroup(msg.getPoolGroup())); |
| 536 | msg.setSucceeded(); |
| 537 | } catch (InterruptedException e) { |
| 538 | throw new CacheException(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, |
| 539 | "Pool manager is shutting down"); |
| 540 | } catch (NoSuchElementException e) { |
| 541 | Collection<PoolManagerPoolInformation> empty = |
| 542 | Collections.emptyList(); |
| 543 | msg.setPools(empty); |
| 544 | msg.setSucceeded(); |
| 545 | } |
| 546 | return msg; |
| 547 | } |
| 548 | |
| 549 | public PoolMgrQueryPoolsMsg |
| 550 | messageArrived(PoolMgrQueryPoolsMsg msg) |
| 551 | { |
| 552 | DirectionType accessType = msg.getAccessType(); |
| 553 | msg.setPoolList(PoolPreferenceLevel.fromPoolPreferenceLevelToList( |
| 554 | _selectionUnit.match(accessType, |
| 555 | msg.getNetUnitName(), |
| 556 | msg.getProtocolUnitName(), |
| 557 | msg.getStorageInfo(), |
| 558 | null))); |
| 559 | msg.setSucceeded(); |
| 560 | return msg; |
| 561 | } |
| 562 | |
| 563 | private static class XProtocolInfo implements IpProtocolInfo { |
| 564 | private String [] _host = new String[1] ; |
| 565 | |
| 566 | private static final long serialVersionUID = -5817364111427851052L; |
| 567 | |
| 568 | private XProtocolInfo( String hostName ){ |
| 569 | _host[0] = hostName ; |
| 570 | } |
| 571 | public String getProtocol(){ return "DCap" ; } |
| 572 | public int getMinorVersion(){ return 0 ; } |
| 573 | public int getMajorVersion(){ return 0 ; } |
| 574 | public String getVersionString(){ return "0.0" ; } |
| 575 | public String [] getHosts(){ return _host ; } |
| 576 | public int getPort(){ return 0 ; } |
| 577 | public boolean isFileCheckRequired() { return true; } |
| 578 | } |
| 579 | private static class XStorageInfo extends GenericStorageInfo { |
| 580 | |
| 581 | private static final long serialVersionUID = -6624549402952279903L; |
| 582 | |
| 583 | private XStorageInfo( String hsm , String storageClass ){ |
| 584 | super(hsm,storageClass); |
| 585 | } |
| 586 | @Override |
| 587 | public String getBitfileId(){ return "" ; } |
| 588 | @Override |
| 589 | public long getFileSize(){ return 100 ; } |
| 590 | @Override |
| 591 | public void setFileSize( long fileSize ){} |
| 592 | @Override |
| 593 | public boolean isStored(){ return true ; } |
| 594 | |
| 595 | } |
| 596 | public String hh_get_av_pools = "<pnfsId> <hsm> <storageClass> <host>" ; |
| 597 | public String ac_get_av_pools_$_4( Args args ) throws Exception { |
| 598 | try{ |
| 599 | PnfsId pnfsId = new PnfsId( args.argv(0) ) ; |
| 600 | XStorageInfo storageInfo = new XStorageInfo( args.argv(1) , args.argv(2) ) ; |
| 601 | XProtocolInfo protocolInfo = new XProtocolInfo( args.argv(3) ) ; |
| 602 | |
| 603 | PoolMonitorV5.PnfsFileLocation _pnfsFileLocation = |
| 604 | _poolMonitor.getPnfsFileLocation( pnfsId , |
| 605 | storageInfo , |
| 606 | protocolInfo, null ) ; |
| 607 | |
| 608 | List available = _pnfsFileLocation.getFileAvailableMatrix() ; |
| 609 | |
| 610 | Iterator i = ((List)available.get(0)).iterator() ; |
| 611 | StringBuffer sb = new StringBuffer() ; |
| 612 | sb.append("Available and allowed\n"); |
| 613 | while( i.hasNext() ){ |
| 614 | sb.append(" ").append( i.next().toString() ).append("\n"); |
| 615 | } |
| 616 | sb.append("Allowed (not available)\n"); |
| 617 | if( ( available = _pnfsFileLocation.getAllowedButNotAvailable() ) != null ){ |
| 618 | i = available.iterator() ; |
| 619 | while( i.hasNext() ){ |
| 620 | sb.append(" ").append( i.next().toString() ).append("\n"); |
| 621 | } |
| 622 | } |
| 623 | return sb.toString() ; |
| 624 | |
| 625 | }catch( Exception ee ){ |
| 626 | |
| 627 | ee.printStackTrace() ; |
| 628 | throw ee ; |
| 629 | } |
| 630 | } |
| 631 | /* |
| 632 | public String hh_get_pools = "<hsm> <storageClass> <host>"+ |
| 633 | " [-size=<size>] [-mode=stage|store]" ; |
| 634 | public String ac_get_pools_$_3( Args args ) throws Exception { |
| 635 | String mode = args.getOpt("mode") ; |
| 636 | mode = mode == null ? "stage" : mode ; |
| 637 | long size = 0L ; |
| 638 | String sizeString = args.getOpt("size") ; |
| 639 | if( sizeString != null )size = Long.parseLong(sizeString); |
| 640 | try{ |
| 641 | XStorageInfo storageInfo = new XStorageInfo( args.argv(0) , args.argv(1) ) ; |
| 642 | XProtocolInfo protocolInfo = new XProtocolInfo( args.argv(2) ) ; |
| 643 | |
| 644 | List list = mode.equals("stage") ? |
| 645 | _poolMonitor.getStagePoolList( storageInfo , protocolInfo , size ) : |
| 646 | _poolMonitor.getStorePoolList( storageInfo , protocolInfo , size ) ; |
| 647 | |
| 648 | Iterator i = list.iterator() ; |
| 649 | StringBuffer sb = new StringBuffer() ; |
| 650 | while( i.hasNext() ){ |
| 651 | sb.append( i.next().toString() ).append("\n"); |
| 652 | } |
| 653 | return sb.toString() ; |
| 654 | |
| 655 | }catch( Exception ee ){ |
| 656 | |
| 657 | ee.printStackTrace() ; |
| 658 | throw ee ; |
| 659 | } |
| 660 | } |
| 661 | */ |
| 662 | |
| 663 | private boolean quotasExceeded( StorageInfo info ){ |
| 664 | |
| 665 | String storageClass = info.getStorageClass()+"@"+info.getHsm() ; |
| 666 | |
| 667 | QuotaMgrCheckQuotaMessage quotas = new QuotaMgrCheckQuotaMessage( storageClass ) ; |
| 668 | CellMessage msg = new CellMessage( new CellPath(_quotaManager) , quotas ) ; |
| 669 | try{ |
| 670 | msg = sendAndWait( msg , 20000L ) ; |
| 671 | if( msg == null ){ |
| 672 | _log.warn("quotasExceeded of "+storageClass+" : request timed out"); |
| 673 | return false ; |
| 674 | } |
| 675 | Object obj = msg.getMessageObject() ; |
| 676 | if( ! (obj instanceof QuotaMgrCheckQuotaMessage ) ){ |
| 677 | _log.warn("quotasExceeded of "+storageClass+" : unexpected object arrived : "+obj.getClass().getName()); |
| 678 | return false ; |
| 679 | } |
| 680 | |
| 681 | return ((QuotaMgrCheckQuotaMessage)obj).isHardQuotaExceeded() ; |
| 682 | |
| 683 | }catch(Exception ee ){ |
| 684 | |
| 685 | _log.warn( "quotasExceeded of "+storageClass+" : Exception : "+ee); |
| 686 | _log.warn(ee.toString()); |
| 687 | return false ; |
| 688 | } |
| 689 | |
| 690 | } |
| 691 | |
| 692 | private long determineExpectedFileSize(long expectedLength, StorageInfo storageInfo) |
| 693 | { |
| 694 | if (expectedLength > 0) { |
| 695 | return expectedLength; |
| 696 | } |
| 697 | |
| 698 | if (storageInfo.getFileSize() > 0) { |
| 699 | return storageInfo.getFileSize(); |
| 700 | } |
| 701 | |
| 702 | String s = storageInfo.getKey("alloc-size"); |
| 703 | if (s != null) { |
| 704 | try { |
| 705 | return Long.parseLong(s); |
| 706 | } catch (NumberFormatException e) { |
| 707 | // bad values are ignored |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | return 0; |
| 712 | } |
| 713 | |
| 714 | public DelayedReply messageArrived(PoolManagerSelectLinkGroupForWriteMessage message) |
| 715 | throws CacheException |
| 716 | { |
| 717 | if (message.getStorageInfo() == null) { |
| 718 | throw new IllegalArgumentException("Storage info is missing"); |
| 719 | } |
| 720 | if (message.getProtocolInfo() == null ){ |
| 721 | throw new IllegalArgumentException("Protocol info is missing"); |
| 722 | } |
| 723 | |
| 724 | return new LinkGroupSelectionTask(message); |
| 725 | } |
| 726 | |
| 727 | /** |
| 728 | * Task for processing link group selection messages. |
| 729 | */ |
| 730 | public class LinkGroupSelectionTask |
| 731 | extends DelayedReply |
| 732 | implements Runnable |
| 733 | { |
| 734 | private final PoolManagerSelectLinkGroupForWriteMessage _message; |
| 735 | private final CDC _cdc; |
| 736 | |
| 737 | public LinkGroupSelectionTask(PoolManagerSelectLinkGroupForWriteMessage message) |
| 738 | { |
| 739 | _message = message; |
| 740 | _cdc = new CDC(); |
| 741 | new Thread(this, "LinkGroupSelectionTask").start(); |
| 742 | } |
| 743 | |
| 744 | public void run() |
| 745 | { |
| 746 | long started = System.currentTimeMillis(); |
| 747 | _cdc.apply(); |
| 748 | try { |
| 749 | _log.info("Select link group handler started"); |
| 750 | |
| 751 | _message.setLinkGroups(selectLinkGroups()); |
| 752 | _message.setSucceeded(); |
| 753 | |
| 754 | _log.info("Select link group handler finished after {} ms", |
| 755 | (System.currentTimeMillis() - started)); |
| 756 | } catch (Exception e) { |
| 757 | _message.setFailed(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, |
| 758 | e.getMessage()); |
| 759 | } finally { |
| 760 | try { |
| 761 | send(_message); |
| 762 | } catch (NoRouteToCellException e) { |
| 763 | _log.error("Failed to send reply: " + e.getMessage()); |
| 764 | } catch (InterruptedException e) { |
| 765 | _log.warn("Link group selection handler was interrupted"); |
| 766 | } finally { |
| 767 | CDC.clear(); |
| 768 | } |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | protected List<String> selectLinkGroups() |
| 773 | { |
| 774 | StorageInfo storageInfo = _message.getStorageInfo(); |
| 775 | ProtocolInfo protocolInfo = _message.getProtocolInfo(); |
| 776 | long expectedLength = |
| 777 | determineExpectedFileSize(_message.getFileSize(), storageInfo); |
| 778 | String protocol = |
| 779 | protocolInfo.getProtocol() + "/" + protocolInfo.getMajorVersion(); |
| 780 | String hostName = |
| 781 | (protocolInfo instanceof IpProtocolInfo) |
| 782 | ? ((IpProtocolInfo) protocolInfo).getHosts()[0] |
| 783 | : null; |
| 784 | |
| 785 | Collection<String> linkGroups = _message.getLinkGroups(); |
| 786 | if (linkGroups == null) { |
| 787 | linkGroups = |
| 788 | Utils.linkGroupInfos(_selectionUnit, _costModule).keySet(); |
| 789 | } |
| 790 | |
| 791 | List<String> outputLinkGroups = |
| 792 | new ArrayList<String>(linkGroups.size()); |
| 793 | |
| 794 | for (String linkGroup: linkGroups) { |
| 795 | PoolPreferenceLevel [] level = |
| 796 | _selectionUnit.match(DirectionType.WRITE, |
| 797 | hostName, |
| 798 | protocol, |
| 799 | storageInfo, |
| 800 | linkGroup); |
| 801 | if (level.length > 0) { |
| 802 | outputLinkGroups.add(linkGroup); |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | return outputLinkGroups; |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | /////////////////////////////////////////////////////////////// |
| 811 | // |
| 812 | // the write io request handler |
| 813 | // |
| 814 | public DelayedReply messageArrived(CellMessage envelope, |
| 815 | PoolMgrSelectWritePoolMsg msg) |
| 816 | { |
| 817 | return new WriteRequestHandler(envelope, msg); |
| 818 | } |
| 819 | |
| 820 | public class WriteRequestHandler extends DelayedReply implements Runnable |
| 821 | { |
| 822 | private CellMessage _envelope; |
| 823 | private PoolMgrSelectWritePoolMsg _request; |
| 824 | private PnfsId _pnfsId; |
| 825 | |
| 826 | public WriteRequestHandler(CellMessage envelope, |
| 827 | PoolMgrSelectWritePoolMsg msg) |
| 828 | { |
| 829 | _envelope = envelope; |
| 830 | _request = msg; |
| 831 | _pnfsId = _request.getPnfsId(); |
| 832 | new Thread(this, "writeHandler").start(); |
| 833 | } |
| 834 | |
| 835 | public void run(){ |
| 836 | |
| 837 | StorageInfo storageInfo = _request.getStorageInfo() ; |
| 838 | ProtocolInfo protocolInfo = _request.getProtocolInfo() ; |
| 839 | |
| 840 | _log.info( _pnfsId.toString()+" write handler started" ); |
| 841 | long started = System.currentTimeMillis(); |
| 842 | |
| 843 | if( storageInfo == null ){ |
| 844 | requestFailed( 21 , "Storage info not available for write request : "+_pnfsId ) ; |
| 845 | return ; |
| 846 | }else if( protocolInfo == null ){ |
| 847 | requestFailed( 22 , "Protocol info not available for write request : "+_pnfsId ) ; |
| 848 | return ; |
| 849 | } |
| 850 | if( _quotasEnabled && quotasExceeded( storageInfo ) ){ |
| 851 | requestFailed( 55 , "Quotas Exceeded for StorageClass : "+storageInfo.getStorageClass() ) ; |
| 852 | return ; |
| 853 | } |
| 854 | |
| 855 | long expectedLength = |
| 856 | determineExpectedFileSize(_request.getFileSize(), storageInfo); |
| 857 | |
| 858 | /* The cost module relies on the expected file size. |
| 859 | */ |
| 860 | _request.setFileSize(expectedLength); |
| 861 | |
| 862 | try{ |
| 863 | |
| 864 | List<PoolCostCheckable> storeList = _poolMonitor. |
| 865 | getPnfsFileLocation( _pnfsId , storageInfo , protocolInfo, _request.getLinkGroup() ). |
| 866 | getStorePoolList( expectedLength ) ; |
| 867 | /* |
| 868 | List storeList = |
| 869 | _poolMonitor.getStorePoolList( storageInfo , |
| 870 | protocolInfo , |
| 871 | expectedLength ); |
| 872 | */ |
| 873 | String poolName = storeList.get(0).getPoolName() ; |
| 874 | |
| 875 | if (_sendCostInfo) |
| 876 | _requestContainer.sendCostMsg( |
| 877 | _pnfsId, storeList.get(0), true |
| 878 | ); //VP |
| 879 | |
| 880 | _log.info(_pnfsId+" write handler selected "+poolName+" after "+ |
| 881 | ( System.currentTimeMillis() - started ) ); |
| 882 | requestSucceeded( poolName ) ; |
| 883 | |
| 884 | }catch(CacheException ce ){ |
| 885 | requestFailed( ce.getRc() , ce.getMessage() ) ; |
| 886 | }catch(Exception ee ){ |
| 887 | requestFailed( 17 , ee.getMessage() ) ; |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | protected void requestFailed(int errorCode, String errorMessage) |
| 892 | { |
| 893 | _request.setFailed(errorCode, errorMessage); |
| 894 | try { |
| 895 | send(_request); |
| 896 | } catch (Exception e) { |
| 897 | _log.warn("Exception requestFailed : " + e, e); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | protected void requestSucceeded(String poolName) |
| 902 | { |
| 903 | _request.setPoolName(poolName); |
| 904 | _request.setSucceeded(); |
| 905 | try { |
| 906 | send(_request); |
| 907 | _costModule.messageArrived(_envelope); |
| 908 | } catch (Exception e) { |
| 909 | _log.warn("Exception in requestSucceeded : " + e, e); |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | public String ac_free_$_0(Args args) { |
| 915 | |
| 916 | |
| 917 | Map<String, PoolLinkGroupInfo> linkGroupSize = Utils.linkGroupInfos(_selectionUnit, _costModule); |
| 918 | |
| 919 | StringBuilder sb = new StringBuilder(); |
| 920 | |
| 921 | for(Map.Entry<String, PoolLinkGroupInfo> linkGourp: linkGroupSize.entrySet() ) { |
| 922 | sb.append(linkGourp.getKey()).append(" : ") |
| 923 | .append(linkGourp.getValue().getAvailableSpaceInBytes() ).append("\n"); |
| 924 | } |
| 925 | |
| 926 | return sb.toString(); |
| 927 | |
| 928 | } |
| 929 | } |