Examples with MetadataStorageManagerException herddb.metadata.MetadataStorageManagerException used on opensource projects

Example 11 with MetadataStorageManagerException

use of herddb.metadata.MetadataStorageManagerException in project herddb by diennea.

the class FileMetadataStorageManager method persistTableSpaceOnDisk.

private void persistTableSpaceOnDisk(TableSpace tableSpace) throws MetadataStorageManagerException {
    Path tablespaceMetaTmp = baseDirectory.resolve(tableSpace.name.toLowerCase() + "." + System.nanoTime() + ".tmpmetadata");
    Path tablespaceMeta = baseDirectory.resolve(tableSpace.name.toLowerCase() + ".metadata");
    try (ManagedFile file = ManagedFile.open(tablespaceMetaTmp, ServerConfiguration.PROPERTY_REQUIRE_FSYNC_DEFAULT);
        SimpleBufferedOutputStream buffer = new SimpleBufferedOutputStream(file.getOutputStream(), FileDataStorageManager.COPY_BUFFERS_SIZE);
        XXHash64Utils.HashingOutputStream oo = new XXHash64Utils.HashingOutputStream(buffer);
        ExtendedDataOutputStream dout = new ExtendedDataOutputStream(oo)) {
        // version
        dout.writeVLong(1);
        // flags for future implementations
        dout.writeVLong(0);
        tableSpace.serialize(dout);
        // footer
        dout.writeLong(oo.hash());
        dout.flush();
        file.sync();
    } catch (IOException err) {
        throw new MetadataStorageManagerException(err);
    }
    try {
        Files.move(tablespaceMetaTmp, tablespaceMeta, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
    } catch (IOException err) {
        throw new MetadataStorageManagerException(err);
    }
}

Example 12 with MetadataStorageManagerException

use of herddb.metadata.MetadataStorageManagerException in project herddb by diennea.

the class FileMetadataStorageManager method readTableSpaceMetadataFile.

public static TableSpace readTableSpaceMetadataFile(Path p) throws IOException, MetadataStorageManagerException {
    TableSpace ts;
    byte[] pageData;
    try {
        pageData = FileUtils.fastReadFile(p);
    } catch (IOException err) {
        throw new MetadataStorageManagerException(err);
    }
    boolean okHash = XXHash64Utils.verifyBlockWithFooter(pageData, 0, pageData.length);
    if (!okHash) {
        throw new MetadataStorageManagerException("corrutped data file " + p.toAbsolutePath() + ", checksum failed");
    }
    try (InputStream in = new SimpleByteArrayInputStream(pageData);
        ExtendedDataInputStream iin = new ExtendedDataInputStream(in)) {
        // version
        long version = iin.readVLong();
        // flags for future implementations
        long flags = iin.readVLong();
        if (version != 1 || flags != 0) {
            throw new IOException("corrupted data file " + p.toAbsolutePath());
        }
        ts = TableSpace.deserialize(iin, 0, 0);
    }
    return ts;
}

Example 13 with MetadataStorageManagerException

use of herddb.metadata.MetadataStorageManagerException in project herddb by diennea.

the class FileMetadataStorageManager method clear.

@Override
public void clear() throws MetadataStorageManagerException {
    lock.writeLock().lock();
    try {
        FileUtils.cleanDirectory(baseDirectory);
        Files.createDirectories(baseDirectory);
        nodes.clear();
        tableSpaces.clear();
    } catch (IOException err) {
        LOGGER.log(Level.SEVERE, "cannot clear local data", err);
        throw new MetadataStorageManagerException(err);
    } finally {
        lock.writeLock().unlock();
    }
}

Example 14 with MetadataStorageManagerException

use of herddb.metadata.MetadataStorageManagerException in project herddb by diennea.

the class ZookeeperMetadataStorageManager method ensureDefaultTableSpace.

@Override
public boolean ensureDefaultTableSpace(String localNodeId, String initialReplicaList, long maxLeaderInactivityTime, int expectedReplicaCount) throws MetadataStorageManagerException {
    try {
        TableSpaceList list = listTablesSpaces();
        if (!list.tableSpaces.contains(TableSpace.DEFAULT)) {
            TableSpace tableSpace = TableSpace.builder().leader(localNodeId).replica(initialReplicaList).expectedReplicaCount(1).maxLeaderInactivityTime(maxLeaderInactivityTime).expectedReplicaCount(expectedReplicaCount).name(TableSpace.DEFAULT).build();
            createTableSpaceNode(tableSpace);
            return true;
        } else {
            return false;
        }
    } catch (TableSpaceAlreadyExistsException err) {
        // not a problem
        return false;
    } catch (InterruptedException | KeeperException | IOException err) {
        handleSessionExpiredError(err);
        throw new MetadataStorageManagerException(err);
    }
}

Example 15 with MetadataStorageManagerException

use of herddb.metadata.MetadataStorageManagerException in project herddb by diennea.

the class ZookeeperMetadataStorageManager method listNodes.

@Override
public List<NodeMetadata> listNodes() throws MetadataStorageManagerException {
    try {
        List<String> children = ensureZooKeeper().getChildren(nodesPath, mainWatcher, null);
        List<NodeMetadata> result = new ArrayList<>();
        for (String child : children) {
            NodeMetadata nodeMetadata = getNode(child);
            result.add(nodeMetadata);
        }
        return result;
    } catch (IOException | InterruptedException | KeeperException err) {
        handleSessionExpiredError(err);
        throw new MetadataStorageManagerException(err);
    }
}