Search in sources :

Example 1 with MessageAction

use of org.dcache.tests.cells.MockCellEndpoint.MessageAction in project dcache by dCache.

the class HsmRestoreTest method testRestoreNoLocationsOnePoolCantStage.

@Test
public void testRestoreNoLocationsOnePoolCantStage() throws Exception {
    PnfsId pnfsId = new PnfsId("000000000000000000000000000000000001");
    /*
         * pre-configure pool selection unit
         */
    List<String> pools = new ArrayList<>(3);
    pools.add("pool1");
    pools.add("pool2");
    PoolMonitorHelper.prepareSelectionUnit(_selectionUnit, _access, pools);
    /*
         * prepare reply for GetStorageInfo
         */
    _storageInfo.addLocation(new URI("osm://osm?"));
    _storageInfo.setIsNew(false);
    PnfsGetFileAttributes fileAttributesMessage = new PnfsGetFileAttributes(pnfsId, EnumSet.noneOf(FileAttribute.class));
    FileAttributes attributes = new FileAttributes();
    StorageInfos.injectInto(_storageInfo, attributes);
    attributes.setPnfsId(pnfsId);
    attributes.setLocations(Collections.<String>emptyList());
    attributes.setSize(5);
    attributes.setAccessLatency(StorageInfo.DEFAULT_ACCESS_LATENCY);
    attributes.setRetentionPolicy(StorageInfo.DEFAULT_RETENTION_POLICY);
    attributes.setChecksums(Collections.emptySet());
    fileAttributesMessage.setFileAttributes(attributes);
    _cell.prepareMessage(new CellPath("PnfsManager"), fileAttributesMessage, true);
    /*
         * make pools know to 'PoolManager'
         */
    long serialId = System.currentTimeMillis();
    PoolV2Mode poolMode = new PoolV2Mode(PoolV2Mode.ENABLED);
    Set<String> connectedHSM = new HashSet<>(1);
    connectedHSM.add("osm");
    for (String pool : pools) {
        PoolCostInfo poolCostInfo = new PoolCostInfo(pool, IoQueueManager.DEFAULT_QUEUE);
        poolCostInfo.setSpaceUsage(100, 20, 30, 50);
        poolCostInfo.setQueueSizes(0, 10, 0, 0, 10, 0);
        poolCostInfo.addExtendedMoverQueueSizes(IoQueueManager.DEFAULT_QUEUE, 0, 10, 0, 0, 0);
        CellMessage envelope = new CellMessage(new CellAddressCore("PoolManager"), null);
        envelope.addSourceAddress(new CellAddressCore(pool));
        PoolManagerPoolUpMessage poolUpMessage = new PoolManagerPoolUpMessage(pool, serialId, poolMode, poolCostInfo);
        prepareSelectionUnit(pool, poolMode, connectedHSM);
        _costModule.messageArrived(envelope, poolUpMessage);
    }
    final AtomicInteger stageRequests1 = new AtomicInteger(0);
    final AtomicInteger stageRequests2 = new AtomicInteger(0);
    final AtomicInteger replyRequest = new AtomicInteger(0);
    MessageAction messageAction1 = new StageMessageAction(stageRequests1);
    MessageAction messageAction2 = new StageMessageAction(stageRequests2);
    MessageAction messageAction3 = new StageMessageAction(replyRequest);
    _cell.registerAction("pool1", PoolFetchFileMessage.class, messageAction1);
    _cell.registerAction("pool2", PoolFetchFileMessage.class, messageAction2);
    _cell.registerAction("door", PoolMgrSelectReadPoolMsg.class, messageAction3);
    PoolMgrSelectReadPoolMsg selectReadPool = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, null);
    CellMessage cellMessage = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool);
    cellMessage.getSourcePath().add(new CellAddressCore("door", "local"));
    _rc.messageArrived(cellMessage, selectReadPool);
    // first pool replies with an error
    CellMessage m = __messages.remove(0);
    PoolFetchFileMessage ff = (PoolFetchFileMessage) m.getMessageObject();
    ff.setFailed(17, "pech");
    _rc.messageArrived(m, m.getMessageObject());
    // pool manager bounces request back to door
    m = __messages.remove(0);
    selectReadPool = (PoolMgrSelectReadPoolMsg) m.getMessageObject();
    assertEquals("Unexpected reply from pool manager", 17, selectReadPool.getReturnCode());
    // resubmit request
    PoolMgrSelectReadPoolMsg selectReadPool2 = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, selectReadPool.getContext());
    CellMessage cellMessage2 = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool2);
    _rc.messageArrived(cellMessage2, selectReadPool2);
    assertEquals("No stage request sent to pools1", 1, stageRequests1.get());
    assertEquals("No stage request sent to pools2", 1, stageRequests2.get());
}
Also used : CellPath(dmg.cells.nucleus.CellPath) PoolMgrSelectReadPoolMsg(diskCacheV111.vehicles.PoolMgrSelectReadPoolMsg) CellAddressCore(dmg.cells.nucleus.CellAddressCore) PoolFetchFileMessage(diskCacheV111.vehicles.PoolFetchFileMessage) PnfsId(diskCacheV111.util.PnfsId) ArrayList(java.util.ArrayList) URI(java.net.URI) CellMessage(dmg.cells.nucleus.CellMessage) PoolManagerPoolUpMessage(diskCacheV111.vehicles.PoolManagerPoolUpMessage) PoolV2Mode(diskCacheV111.pools.PoolV2Mode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) MessageAction(org.dcache.tests.cells.MockCellEndpoint.MessageAction) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) FileAttributes(org.dcache.vehicles.FileAttributes) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) PoolCostInfo(diskCacheV111.pools.PoolCostInfo) FileAttribute(org.dcache.namespace.FileAttribute) HashSet(java.util.HashSet) Test(org.junit.Test)

Example 2 with MessageAction

use of org.dcache.tests.cells.MockCellEndpoint.MessageAction in project dcache by dCache.

the class HsmRestoreTest method testRestoreNoLocations.

@Test
public void testRestoreNoLocations() throws Exception {
    PnfsId pnfsId = new PnfsId("000000000000000000000000000000000001");
    /*
         * pre-configure pool selection unit
         */
    List<String> pools = new ArrayList<>(3);
    pools.add("pool1");
    pools.add("pool2");
    PoolMonitorHelper.prepareSelectionUnit(_selectionUnit, _access, pools);
    /*
         * prepare reply for GetStorageInfo
         */
    _storageInfo.addLocation(new URI("osm://osm?"));
    _storageInfo.setIsNew(false);
    PnfsGetFileAttributes fileAttributesMessage = new PnfsGetFileAttributes(pnfsId, EnumSet.noneOf(FileAttribute.class));
    FileAttributes attributes = new FileAttributes();
    StorageInfos.injectInto(_storageInfo, attributes);
    attributes.setPnfsId(pnfsId);
    attributes.setLocations(Collections.<String>emptyList());
    attributes.setSize(5);
    attributes.setAccessLatency(StorageInfo.DEFAULT_ACCESS_LATENCY);
    attributes.setRetentionPolicy(StorageInfo.DEFAULT_RETENTION_POLICY);
    attributes.setChecksums(Collections.emptySet());
    fileAttributesMessage.setFileAttributes(attributes);
    _cell.prepareMessage(new CellPath("PnfsManager"), fileAttributesMessage, true);
    /*
         * make pools know to 'PoolManager'
         */
    long serialId = System.currentTimeMillis();
    PoolV2Mode poolMode = new PoolV2Mode(PoolV2Mode.ENABLED);
    Set<String> connectedHSM = new HashSet<>(1);
    connectedHSM.add("osm");
    for (String pool : pools) {
        PoolCostInfo poolCostInfo = new PoolCostInfo(pool, IoQueueManager.DEFAULT_QUEUE);
        poolCostInfo.setSpaceUsage(100, 20, 30, 50);
        poolCostInfo.setQueueSizes(0, 10, 0, 0, 10, 0);
        poolCostInfo.addExtendedMoverQueueSizes(IoQueueManager.DEFAULT_QUEUE, 0, 10, 0, 0, 0);
        CellMessage envelope = new CellMessage(new CellAddressCore("irrelevant"), null);
        envelope.addSourceAddress(new CellAddressCore(pool));
        PoolManagerPoolUpMessage poolUpMessage = new PoolManagerPoolUpMessage(pool, serialId, poolMode, poolCostInfo);
        prepareSelectionUnit(pool, poolMode, connectedHSM);
        _costModule.messageArrived(envelope, poolUpMessage);
    }
    final AtomicInteger stageRequests = new AtomicInteger(0);
    MessageAction messageAction = new StageMessageAction(stageRequests);
    _cell.registerAction("pool1", PoolFetchFileMessage.class, messageAction);
    _cell.registerAction("pool2", PoolFetchFileMessage.class, messageAction);
    PoolMgrSelectReadPoolMsg selectReadPool = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, null);
    CellMessage cellMessage = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool);
    _rc.messageArrived(cellMessage, selectReadPool);
    assertEquals("No stage request sent to pools", 1, stageRequests.get());
}
Also used : CellPath(dmg.cells.nucleus.CellPath) PoolMgrSelectReadPoolMsg(diskCacheV111.vehicles.PoolMgrSelectReadPoolMsg) CellAddressCore(dmg.cells.nucleus.CellAddressCore) PnfsId(diskCacheV111.util.PnfsId) ArrayList(java.util.ArrayList) URI(java.net.URI) CellMessage(dmg.cells.nucleus.CellMessage) PoolManagerPoolUpMessage(diskCacheV111.vehicles.PoolManagerPoolUpMessage) PoolV2Mode(diskCacheV111.pools.PoolV2Mode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) MessageAction(org.dcache.tests.cells.MockCellEndpoint.MessageAction) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) FileAttributes(org.dcache.vehicles.FileAttributes) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) PoolCostInfo(diskCacheV111.pools.PoolCostInfo) FileAttribute(org.dcache.namespace.FileAttribute) HashSet(java.util.HashSet) Test(org.junit.Test)

Example 3 with MessageAction

use of org.dcache.tests.cells.MockCellEndpoint.MessageAction in project dcache by dCache.

the class HsmRestoreTest method testRestoreNoLocationsAllPoolsCantStage.

@Test
public void testRestoreNoLocationsAllPoolsCantStage() throws Exception {
    PnfsId pnfsId = new PnfsId("000000000000000000000000000000000001");
    /*
         * pre-configure pool selection unit
         */
    List<String> pools = new ArrayList<>(3);
    pools.add("pool1");
    pools.add("pool2");
    PoolMonitorHelper.prepareSelectionUnit(_selectionUnit, _access, pools);
    /*
         * prepare reply for GetStorageInfo
         */
    _storageInfo.addLocation(new URI("osm://osm?"));
    _storageInfo.setIsNew(false);
    PnfsGetFileAttributes fileAttributesMessage = new PnfsGetFileAttributes(pnfsId, EnumSet.noneOf(FileAttribute.class));
    FileAttributes attributes = new FileAttributes();
    StorageInfos.injectInto(_storageInfo, attributes);
    attributes.setPnfsId(pnfsId);
    attributes.setLocations(Collections.<String>emptyList());
    attributes.setSize(5);
    attributes.setAccessLatency(StorageInfo.DEFAULT_ACCESS_LATENCY);
    attributes.setRetentionPolicy(StorageInfo.DEFAULT_RETENTION_POLICY);
    attributes.setChecksums(Collections.emptySet());
    fileAttributesMessage.setFileAttributes(attributes);
    _cell.prepareMessage(new CellPath("PnfsManager"), fileAttributesMessage, true);
    /*
         * make pools know to 'PoolManager'
         */
    long serialId = System.currentTimeMillis();
    PoolV2Mode poolMode = new PoolV2Mode(PoolV2Mode.ENABLED);
    Set<String> connectedHSM = new HashSet<>(1);
    connectedHSM.add("osm");
    for (String pool : pools) {
        PoolCostInfo poolCostInfo = new PoolCostInfo(pool, IoQueueManager.DEFAULT_QUEUE);
        poolCostInfo.setSpaceUsage(100, 20, 30, 50);
        poolCostInfo.setQueueSizes(0, 10, 0, 0, 10, 0);
        poolCostInfo.addExtendedMoverQueueSizes(IoQueueManager.DEFAULT_QUEUE, 0, 10, 0, 0, 0);
        CellMessage envelope = new CellMessage(new CellAddressCore("PoolManager"), null);
        envelope.addSourceAddress(new CellAddressCore(pool));
        PoolManagerPoolUpMessage poolUpMessage = new PoolManagerPoolUpMessage(pool, serialId, poolMode, poolCostInfo);
        prepareSelectionUnit(pool, poolMode, connectedHSM);
        _costModule.messageArrived(envelope, poolUpMessage);
    }
    final AtomicInteger stageRequests1 = new AtomicInteger(0);
    final AtomicInteger stageRequests2 = new AtomicInteger(0);
    final AtomicInteger replyRequest = new AtomicInteger(0);
    MessageAction messageAction1 = new StageMessageAction(stageRequests1);
    MessageAction messageAction2 = new StageMessageAction(stageRequests2);
    MessageAction messageAction3 = new StageMessageAction(replyRequest);
    _cell.registerAction("pool1", PoolFetchFileMessage.class, messageAction1);
    _cell.registerAction("pool2", PoolFetchFileMessage.class, messageAction2);
    _cell.registerAction("door", PoolMgrSelectReadPoolMsg.class, messageAction3);
    PoolMgrSelectReadPoolMsg selectReadPool = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, null);
    CellMessage cellMessage = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool);
    cellMessage.getSourcePath().add(new CellAddressCore("door", "local"));
    _rc.messageArrived(cellMessage, selectReadPool);
    // first pool replies with an error
    CellMessage m = __messages.remove(0);
    PoolFetchFileMessage ff = (PoolFetchFileMessage) m.getMessageObject();
    ff.setFailed(17, "pech");
    _rc.messageArrived(m, m.getMessageObject());
    // pool manager bounces request back to door
    m = __messages.remove(0);
    selectReadPool = (PoolMgrSelectReadPoolMsg) m.getMessageObject();
    assertEquals("Unexpected reply from pool manager", 17, selectReadPool.getReturnCode());
    // resubmit request
    PoolMgrSelectReadPoolMsg selectReadPool2 = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, selectReadPool.getContext());
    CellMessage cellMessage2 = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool2);
    cellMessage2.getSourcePath().add(new CellAddressCore("door", "local"));
    _rc.messageArrived(cellMessage2, selectReadPool2);
    // second pool replies with an error
    m = __messages.remove(0);
    ff = (PoolFetchFileMessage) m.getMessageObject();
    ff.setFailed(17, "pech");
    _rc.messageArrived(m, m.getMessageObject());
    // pool manager bounces request back to door
    m = __messages.remove(0);
    selectReadPool2 = (PoolMgrSelectReadPoolMsg) m.getMessageObject();
    assertEquals("Unexpected reply from pool manager", 17, selectReadPool.getReturnCode());
    // resubmit request
    PoolMgrSelectReadPoolMsg selectReadPool3 = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, selectReadPool2.getContext());
    CellMessage cellMessage3 = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool2);
    _rc.messageArrived(cellMessage3, selectReadPool3);
    assertEquals("Three stage requests where expected", 3, stageRequests1.get() + stageRequests2.get());
    assertTrue("No stage requests sent to pool1", stageRequests1.get() != 0);
    assertTrue("No stage requests sent to pool2", stageRequests2.get() != 0);
}
Also used : CellPath(dmg.cells.nucleus.CellPath) PoolMgrSelectReadPoolMsg(diskCacheV111.vehicles.PoolMgrSelectReadPoolMsg) CellAddressCore(dmg.cells.nucleus.CellAddressCore) PoolFetchFileMessage(diskCacheV111.vehicles.PoolFetchFileMessage) PnfsId(diskCacheV111.util.PnfsId) ArrayList(java.util.ArrayList) URI(java.net.URI) CellMessage(dmg.cells.nucleus.CellMessage) PoolManagerPoolUpMessage(diskCacheV111.vehicles.PoolManagerPoolUpMessage) PoolV2Mode(diskCacheV111.pools.PoolV2Mode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) MessageAction(org.dcache.tests.cells.MockCellEndpoint.MessageAction) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) FileAttributes(org.dcache.vehicles.FileAttributes) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) PoolCostInfo(diskCacheV111.pools.PoolCostInfo) FileAttribute(org.dcache.namespace.FileAttribute) HashSet(java.util.HashSet) Test(org.junit.Test)

Example 4 with MessageAction

use of org.dcache.tests.cells.MockCellEndpoint.MessageAction in project dcache by dCache.

the class HsmRestoreTest method testRestoreNoLocationsSinglePool.

@Test
public void testRestoreNoLocationsSinglePool() throws Exception {
    PnfsId pnfsId = new PnfsId("000000000000000000000000000000000001");
    /*
         * pre-configure pool selection unit
         */
    List<String> pools = new ArrayList<>(3);
    pools.add("pool1");
    PoolMonitorHelper.prepareSelectionUnit(_selectionUnit, _access, pools);
    /*
         * prepare reply for GetStorageInfo
         */
    _storageInfo.addLocation(new URI("osm://osm?"));
    _storageInfo.setIsNew(false);
    PnfsGetFileAttributes fileAttributesMessage = new PnfsGetFileAttributes(pnfsId, EnumSet.noneOf(FileAttribute.class));
    FileAttributes attributes = new FileAttributes();
    StorageInfos.injectInto(_storageInfo, attributes);
    attributes.setPnfsId(pnfsId);
    attributes.setLocations(Collections.<String>emptyList());
    attributes.setSize(5);
    attributes.setAccessLatency(StorageInfo.DEFAULT_ACCESS_LATENCY);
    attributes.setRetentionPolicy(StorageInfo.DEFAULT_RETENTION_POLICY);
    attributes.setChecksums(Collections.emptySet());
    fileAttributesMessage.setFileAttributes(attributes);
    _cell.prepareMessage(new CellPath("PnfsManager"), fileAttributesMessage, true);
    /*
         * make pools know to 'PoolManager'
         */
    long serialId = System.currentTimeMillis();
    PoolV2Mode poolMode = new PoolV2Mode(PoolV2Mode.ENABLED);
    Set<String> connectedHSM = new HashSet<>(1);
    connectedHSM.add("osm");
    for (String pool : pools) {
        PoolCostInfo poolCostInfo = new PoolCostInfo(pool, IoQueueManager.DEFAULT_QUEUE);
        poolCostInfo.setSpaceUsage(100, 20, 30, 50);
        poolCostInfo.setQueueSizes(0, 10, 0, 0, 10, 0);
        poolCostInfo.addExtendedMoverQueueSizes(IoQueueManager.DEFAULT_QUEUE, 0, 10, 0, 0, 0);
        CellMessage envelope = new CellMessage(new CellAddressCore("PoolManager"), null);
        envelope.addSourceAddress(new CellAddressCore(pool));
        PoolManagerPoolUpMessage poolUpMessage = new PoolManagerPoolUpMessage(pool, serialId, poolMode, poolCostInfo);
        prepareSelectionUnit(pool, poolMode, connectedHSM);
        _costModule.messageArrived(envelope, poolUpMessage);
    }
    final AtomicInteger stageRequests1 = new AtomicInteger(0);
    final AtomicInteger replyRequest = new AtomicInteger(0);
    MessageAction messageAction1 = new StageMessageAction(stageRequests1);
    MessageAction messageAction2 = new StageMessageAction(replyRequest);
    _cell.registerAction("pool1", PoolFetchFileMessage.class, messageAction1);
    _cell.registerAction("door", PoolMgrSelectReadPoolMsg.class, messageAction2);
    PoolMgrSelectReadPoolMsg selectReadPool = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, null);
    CellMessage cellMessage = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool);
    cellMessage.getSourcePath().add(new CellAddressCore("door", "local"));
    _rc.messageArrived(cellMessage, selectReadPool);
    // pool replies with an error
    CellMessage m = __messages.remove(0);
    PoolFetchFileMessage ff = (PoolFetchFileMessage) m.getMessageObject();
    ff.setFailed(17, "pech");
    _rc.messageArrived(m, m.getMessageObject());
    // pool manager bounces request back to door
    m = __messages.remove(0);
    selectReadPool = (PoolMgrSelectReadPoolMsg) m.getMessageObject();
    assertEquals("Unexpected reply from pool manager", 17, selectReadPool.getReturnCode());
    // resubmit request
    PoolMgrSelectReadPoolMsg selectReadPool2 = new PoolMgrSelectReadPoolMsg(attributes, _protocolInfo, selectReadPool.getContext());
    CellMessage cellMessage2 = new CellMessage(new CellAddressCore("PoolManager"), selectReadPool2);
    _rc.messageArrived(cellMessage2, selectReadPool2);
    assertEquals("Single Pool excluded on second shot", 2, stageRequests1.get());
}
Also used : CellPath(dmg.cells.nucleus.CellPath) PoolMgrSelectReadPoolMsg(diskCacheV111.vehicles.PoolMgrSelectReadPoolMsg) CellAddressCore(dmg.cells.nucleus.CellAddressCore) PoolFetchFileMessage(diskCacheV111.vehicles.PoolFetchFileMessage) PnfsId(diskCacheV111.util.PnfsId) ArrayList(java.util.ArrayList) URI(java.net.URI) CellMessage(dmg.cells.nucleus.CellMessage) PoolManagerPoolUpMessage(diskCacheV111.vehicles.PoolManagerPoolUpMessage) PoolV2Mode(diskCacheV111.pools.PoolV2Mode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) MessageAction(org.dcache.tests.cells.MockCellEndpoint.MessageAction) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) FileAttributes(org.dcache.vehicles.FileAttributes) PnfsGetFileAttributes(org.dcache.vehicles.PnfsGetFileAttributes) PoolCostInfo(diskCacheV111.pools.PoolCostInfo) FileAttribute(org.dcache.namespace.FileAttribute) HashSet(java.util.HashSet) Test(org.junit.Test)

Aggregations

PoolCostInfo (diskCacheV111.pools.PoolCostInfo)4 PoolV2Mode (diskCacheV111.pools.PoolV2Mode)4 PnfsId (diskCacheV111.util.PnfsId)4 PoolManagerPoolUpMessage (diskCacheV111.vehicles.PoolManagerPoolUpMessage)4 PoolMgrSelectReadPoolMsg (diskCacheV111.vehicles.PoolMgrSelectReadPoolMsg)4 CellAddressCore (dmg.cells.nucleus.CellAddressCore)4 CellMessage (dmg.cells.nucleus.CellMessage)4 CellPath (dmg.cells.nucleus.CellPath)4 URI (java.net.URI)4 ArrayList (java.util.ArrayList)4 HashSet (java.util.HashSet)4 AtomicInteger (java.util.concurrent.atomic.AtomicInteger)4 FileAttribute (org.dcache.namespace.FileAttribute)4 MessageAction (org.dcache.tests.cells.MockCellEndpoint.MessageAction)4 FileAttributes (org.dcache.vehicles.FileAttributes)4 PnfsGetFileAttributes (org.dcache.vehicles.PnfsGetFileAttributes)4 Test (org.junit.Test)4 PoolFetchFileMessage (diskCacheV111.vehicles.PoolFetchFileMessage)3