Examples with ByteArray voldemort.utils.ByteArray used on opensource projects

Example 41 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class AdminServiceRequestHandler method handleGetMetadata.

public VAdminProto.GetMetadataResponse handleGetMetadata(VAdminProto.GetMetadataRequest request) {
    VAdminProto.GetMetadataResponse.Builder response = VAdminProto.GetMetadataResponse.newBuilder();
    try {
        ByteArray key = ProtoUtils.decodeBytes(request.getKey());
        String keyString = ByteUtils.getString(key.get(), "UTF-8");
        if (keyString.isEmpty()) {
            // a new instance, with an empty key field.
            throw new VoldemortException("Received admin operation which got interpreted as a " + "GetMetadataRequest with an empty metadata key. This " + "typically means that the requested admin operation is not " + "supported on this version of the Voldemort server.");
        }
        List<Versioned<byte[]>> versionedList = metadataStore.get(key, null);
        if (versionedList.size() > 0) {
            Versioned<byte[]> versioned = versionedList.get(0);
            response.setVersion(ProtoUtils.encodeVersioned(versioned));
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        String errorMessage = "handleGetMetadata failed for request(" + request.toString() + ")";
        if (e instanceof StoreNotFoundException) {
            logger.info(errorMessage + " with " + StoreNotFoundException.class.getSimpleName());
        } else {
            logger.error(errorMessage, e);
        }
    }
    return response.build();
}

Example 42 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class AdminServiceRequestHandler method handleUpdateMetadataPair.

public VAdminProto.UpdateMetadataPairResponse handleUpdateMetadataPair(VAdminProto.UpdateMetadataPairRequest request) {
    VAdminProto.UpdateMetadataPairResponse.Builder response = VAdminProto.UpdateMetadataPairResponse.newBuilder();
    try {
        ByteArray clusterKey = ProtoUtils.decodeBytes(request.getClusterKey());
        ByteArray storesKey = ProtoUtils.decodeBytes(request.getStoresKey());
        String clusterKeyString = ByteUtils.getString(clusterKey.get(), "UTF-8");
        String storesKeyString = ByteUtils.getString(storesKey.get(), "UTF-8");
        if (MetadataStore.METADATA_KEYS.contains(clusterKeyString) && MetadataStore.METADATA_KEYS.contains(storesKeyString)) {
            Versioned<byte[]> clusterVersionedValue = ProtoUtils.decodeVersioned(request.getClusterValue());
            Versioned<byte[]> storesVersionedValue = ProtoUtils.decodeVersioned(request.getStoresValue());
            metadataStore.writeLock.lock();
            try {
                logger.info("Updating metadata for keys '" + clusterKeyString + "'" + " and '" + storesKeyString + "'");
                metadataStore.put(clusterKey, clusterVersionedValue, null);
                // replace this with put
                metadataStore.put(storesKey, storesVersionedValue, null);
                // metadataStore.updateStoreDefinitions(storesVersionedValue);
                logger.info("Successfully updated metadata for keys '" + clusterKeyString + "'" + " and '" + storesKeyString + "'");
            } finally {
                metadataStore.writeLock.unlock();
            }
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        logger.error("handleUpdateMetadataPair failed for request(" + request.toString() + ")", e);
    }
    return response.build();
}

Example 43 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class AdminServiceRequestHandler method handleUpdateStoreDefinitions.

public VAdminProto.UpdateMetadataResponse handleUpdateStoreDefinitions(VAdminProto.UpdateMetadataRequest request) {
    VAdminProto.UpdateMetadataResponse.Builder response = VAdminProto.UpdateMetadataResponse.newBuilder();
    try {
        ByteArray key = ProtoUtils.decodeBytes(request.getKey());
        String keyString = ByteUtils.getString(key.get(), "UTF-8");
        if (MetadataStore.METADATA_KEYS.contains(keyString)) {
            Versioned<byte[]> versionedValue = ProtoUtils.decodeVersioned(request.getVersioned());
            // corresponding put
            if (keyString.equals(MetadataStore.STORES_KEY)) {
                metadataStore.updateStoreDefinitions(versionedValue);
            }
            logger.info("Successfully updated metadata for key '" + keyString + "'");
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        logger.error("handleUpdateMetadata failed for request(" + request.toString() + ")", e);
    }
    return response.build();
}

Example 44 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class AdminServiceRequestHandler method handleAddStore.

public VAdminProto.AddStoreResponse handleAddStore(VAdminProto.AddStoreRequest request) {
    VAdminProto.AddStoreResponse.Builder response = VAdminProto.AddStoreResponse.newBuilder();
    // don't try to add a store when not in normal or offline state
    if (!metadataStore.getServerStateUnlocked().equals(MetadataStore.VoldemortState.NORMAL_SERVER) && !metadataStore.getServerStateUnlocked().equals(MetadataStore.VoldemortState.OFFLINE_SERVER)) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, new VoldemortException("Voldemort server is neither in normal state nor in offline state")));
        return response.build();
    }
    AdminClient adminClient = null;
    try {
        // adding a store requires decoding the passed in store string
        StoreDefinitionsMapper mapper = new StoreDefinitionsMapper();
        StoreDefinition def = mapper.readStore(new StringReader(request.getStoreDefinition()));
        adminClient = new AdminClient(metadataStore.getCluster());
        synchronized (lock) {
            if (!storeRepository.hasLocalStore(def.getName())) {
                if (def.getReplicationFactor() > metadataStore.getCluster().getNumberOfNodes()) {
                    throw new StoreOperationFailureException("Cannot add a store whose replication factor ( " + def.getReplicationFactor() + " ) is greater than the number of nodes ( " + metadataStore.getCluster().getNumberOfNodes() + " )");
                }
                logger.info("Adding new store '" + def.getName() + "'");
                // open the store
                StorageEngine<ByteArray, byte[], byte[]> engine = storageService.openStore(def);
                // effect of updating the stores.xml file)
                try {
                    metadataStore.addStoreDefinition(def);
                    long defaultQuota = voldemortConfig.getDefaultStorageSpaceQuotaInKB();
                    QuotaUtils.setQuota(def.getName(), QuotaType.STORAGE_SPACE, storeRepository, metadataStore.getCluster().getNodeIds(), defaultQuota);
                } catch (Exception e) {
                    // rollback open store operation
                    boolean isReadOnly = ReadOnlyStorageConfiguration.TYPE_NAME.equals(def.getType());
                    storageService.removeEngine(engine, isReadOnly, def.getType(), true);
                    throw new VoldemortException(e);
                }
                logger.info("Successfully added new store '" + def.getName() + "'");
            } else {
                logger.error("Failure to add a store with the same name '" + def.getName() + "'");
                throw new StoreOperationFailureException(String.format("Store '%s' already exists on this server", def.getName()));
            }
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        logger.error("handleAddStore failed for request(" + request.toString() + ")", e);
    } finally {
        if (adminClient != null) {
            IOUtils.closeQuietly(adminClient);
        }
    }
    return response.build();
}

Example 45 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class AdminServiceRequestHandler method handleSetMetadata.

public VAdminProto.UpdateMetadataResponse handleSetMetadata(VAdminProto.UpdateMetadataRequest request) {
    VAdminProto.UpdateMetadataResponse.Builder response = VAdminProto.UpdateMetadataResponse.newBuilder();
    try {
        ByteArray keyBytes = ProtoUtils.decodeBytes(request.getKey());
        String keyString = ByteUtils.getString(keyBytes.get(), "UTF-8");
        if (MetadataStore.METADATA_KEYS.contains(keyString)) {
            Versioned<byte[]> versionedValue = ProtoUtils.decodeVersioned(request.getVersioned());
            logger.info("Updating metadata for key '" + keyString + "'");
            metadataStore.validate(keyBytes, versionedValue, null);
            metadataStore.put(keyBytes, versionedValue, null);
            if (MetadataStore.CLUSTER_KEY.equals(keyString)) {
                server.handleClusterUpdate();
            } else if (MetadataStore.NODE_ID_KEY.endsWith(keyString)) {
                server.refreshNodeIdFromMetadata();
            }
            logger.info("Successfully updated metadata for key '" + keyString + "'");
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        logger.error("handleUpdateMetadata failed for request(" + request.toString() + ")", e);
    }
    return response.build();
}