Examples with GetSpaceMetaData diskCacheV111.services.space.message.GetSpaceMetaData used on opensource projects

Example 1 with GetSpaceMetaData

use of diskCacheV111.services.space.message.GetSpaceMetaData in project dcache by dCache.

the class Storage method srmGetSpaceMetaData.

/**
 * @param spaceTokens
 * @return
 * @throws SRMException
 */
@Override
public TMetaDataSpace[] srmGetSpaceMetaData(SRMUser user, String[] spaceTokens) throws SRMException {
    guardSpaceManagerEnabled();
    GetSpaceMetaData getSpaces = new GetSpaceMetaData(spaceTokens);
    try {
        getSpaces = _spaceManagerStub.sendAndWait(getSpaces);
    } catch (TimeoutCacheException e) {
        throw new SRMInternalErrorException("Space manager timeout", e);
    } catch (NoRouteToCellException e) {
        throw new SRMNotSupportedException("Space manager is unavailable", e);
    } catch (InterruptedException e) {
        throw new SRMInternalErrorException("Operation interrupted", e);
    } catch (CacheException e) {
        _log.warn("GetSpaceMetaData failed with rc={} error={}", e.getRc(), e.getMessage());
        throw new SRMException("Space manager failure: " + e.getMessage(), e);
    }
    Space[] spaces = getSpaces.getSpaces();
    TMetaDataSpace[] spaceMetaDatas = new TMetaDataSpace[spaces.length];
    for (int i = 0; i < spaceMetaDatas.length; ++i) {
        Space space = spaces[i];
        TMetaDataSpace metaDataSpace = new TMetaDataSpace();
        TReturnStatus status;
        if (space != null) {
            Long expirationTime = space.getExpirationTime();
            if (expirationTime == null) {
                metaDataSpace.setLifetimeAssigned(-1);
                metaDataSpace.setLifetimeLeft(-1);
            } else {
                long lifetimeleft = Math.max(0, MILLISECONDS.toSeconds(expirationTime - System.currentTimeMillis()));
                metaDataSpace.setLifetimeAssigned((int) MILLISECONDS.toSeconds(expirationTime - space.getCreationTime()));
                metaDataSpace.setLifetimeLeft((int) lifetimeleft);
            }
            RetentionPolicy retentionPolicy = space.getRetentionPolicy();
            TRetentionPolicy policy = retentionPolicy.equals(RetentionPolicy.CUSTODIAL) ? TRetentionPolicy.CUSTODIAL : retentionPolicy.equals(RetentionPolicy.OUTPUT) ? TRetentionPolicy.OUTPUT : TRetentionPolicy.REPLICA;
            AccessLatency accessLatency = space.getAccessLatency();
            TAccessLatency latency = accessLatency.equals(AccessLatency.ONLINE) ? TAccessLatency.ONLINE : TAccessLatency.NEARLINE;
            UnsignedLong totalSize = new UnsignedLong(space.getSizeInBytes());
            UnsignedLong unusedSize = new UnsignedLong(space.getSizeInBytes() - space.getUsedSizeInBytes());
            metaDataSpace.setRetentionPolicyInfo(new TRetentionPolicyInfo(policy, latency));
            metaDataSpace.setTotalSize(totalSize);
            metaDataSpace.setGuaranteedSize(totalSize);
            metaDataSpace.setUnusedSize(unusedSize);
            SpaceState spaceState = space.getState();
            switch(spaceState) {
                case RESERVED:
                    status = new TReturnStatus(TStatusCode.SRM_SUCCESS, null);
                    break;
                case EXPIRED:
                    status = new TReturnStatus(TStatusCode.SRM_SPACE_LIFETIME_EXPIRED, "The lifetime on the space that is associated with the spaceToken has expired already");
                    break;
                default:
                    status = new TReturnStatus(TStatusCode.SRM_FAILURE, "Space has been released");
                    break;
            }
            metaDataSpace.setOwner("VoGroup=" + space.getVoGroup() + " VoRole=" + space.getVoRole());
        } else {
            status = new TReturnStatus(TStatusCode.SRM_INVALID_REQUEST, "No such space");
        }
        metaDataSpace.setStatus(status);
        metaDataSpace.setSpaceToken(spaceTokens[i]);
        spaceMetaDatas[i] = metaDataSpace;
    }
    return spaceMetaDatas;
}

Example 2 with GetSpaceMetaData

use of diskCacheV111.services.space.message.GetSpaceMetaData in project dcache by dCache.

the class ReservationCaches method buildSpaceLookupCache.

/**
 * Build a loading cache for looking up space reservations by space token.
 */
public static LoadingCache<String, Optional<Space>> buildSpaceLookupCache(CellStub spaceManager, Executor executor) {
    return CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(10, MINUTES).refreshAfterWrite(30, SECONDS).recordStats().build(new CacheLoader<String, Optional<Space>>() {

        @Override
        public Optional<Space> load(String token) throws CacheException, NoRouteToCellException, InterruptedException {
            Space space = spaceManager.sendAndWait(new GetSpaceMetaData(token)).getSpaces()[0];
            return Optional.ofNullable(space);
        }

        @Override
        public ListenableFuture<Optional<Space>> reload(String token, Optional<Space> oldValue) {
            final SettableFuture<Optional<Space>> future = SettableFuture.create();
            CellStub.addCallback(spaceManager.send(new GetSpaceMetaData(token)), new AbstractMessageCallback<GetSpaceMetaData>() {

                @Override
                public void success(GetSpaceMetaData message) {
                    future.set(Optional.ofNullable(message.getSpaces()[0]));
                }

                @Override
                public void failure(int rc, Object error) {
                    CacheException exception = CacheExceptionFactory.exceptionOf(rc, Objects.toString(error, null));
                    future.setException(exception);
                }
            }, executor);
            return future;
        }
    });
}