Examples with FileInfo org.apache.crail.metadata.FileInfo used on opensource projects

Example 1 with FileInfo

use of org.apache.crail.metadata.FileInfo in project incubator-crail by apache.

the class CoreDataStore method _createNode.

CoreNode _createNode(String path, CrailNodeType type, RpcCreateFile fileRes) throws Exception {
    if (fileRes.getError() == RpcErrors.ERR_PARENT_MISSING) {
        throw new IOException("createNode: " + RpcErrors.messages[fileRes.getError()] + ", name " + path);
    } else if (fileRes.getError() == RpcErrors.ERR_FILE_EXISTS) {
        throw new IOException("createNode: " + RpcErrors.messages[fileRes.getError()] + ", name " + path);
    } else if (fileRes.getError() != RpcErrors.ERR_OK) {
        LOG.info("createNode: " + RpcErrors.messages[fileRes.getError()] + ", name " + path);
        throw new IOException("createNode: " + RpcErrors.messages[fileRes.getError()] + ", error " + fileRes.getError());
    }
    FileInfo fileInfo = fileRes.getFile();
    FileInfo dirInfo = fileRes.getParent();
    if (fileInfo == null || dirInfo == null) {
        throw new IOException("createFile: " + RpcErrors.messages[RpcErrors.ERR_UNKNOWN]);
    }
    if (fileInfo.getType() != type) {
        throw new IOException("createFile: " + "file type mismatch");
    }
    blockCache.remove(fileInfo.getFd());
    nextBlockCache.remove(fileInfo.getFd());
    CoreNode node = CoreNode.create(this, fileInfo, path);
    BlockInfo fileBlock = fileRes.getFileBlock();
    getBlockCache(fileInfo.getFd()).put(CoreSubOperation.createKey(fileInfo.getFd(), 0), fileBlock);
    // write directory record is a directory slot has been assigned to the file
    if (fileInfo.getDirOffset() >= 0) {
        BlockInfo dirBlock = fileRes.getDirBlock();
        getBlockCache(dirInfo.getFd()).put(CoreSubOperation.createKey(dirInfo.getFd(), fileInfo.getDirOffset()), dirBlock);
        CoreSyncOperation syncOperation = getSyncOperation(dirInfo, fileInfo, path, true);
        node.addSyncOperation(syncOperation);
    }
    if (CrailConstants.DEBUG) {
        LOG.info("createFile: name " + path + ", success, fd " + fileInfo.getFd() + ", token " + fileInfo.getToken());
    }
    return node;
}

Example 2 with FileInfo

use of org.apache.crail.metadata.FileInfo in project incubator-crail by apache.

the class CoreDataStore method _delete.

CrailNode _delete(RpcDeleteFile fileRes, String path, boolean recursive) throws Exception {
    if (fileRes.getError() == RpcErrors.ERR_HAS_CHILDREN) {
        LOG.info("delete: " + RpcErrors.messages[fileRes.getError()]);
        throw new IOException(RpcErrors.messages[fileRes.getError()]);
    }
    if (fileRes.getError() != RpcErrors.ERR_OK) {
        LOG.info("delete: " + RpcErrors.messages[fileRes.getError()]);
        return null;
    }
    FileInfo fileInfo = fileRes.getFile();
    FileInfo dirInfo = fileRes.getParent();
    CoreSyncOperation syncOperation = getSyncOperation(dirInfo, fileInfo, path, false);
    blockCache.remove(fileInfo.getFd());
    if (CrailConstants.DEBUG) {
        LOG.info("delete: name " + path + ", recursive " + recursive + ", success");
    }
    CoreNode node = CoreNode.create(this, fileInfo, path);
    node.addSyncOperation(syncOperation);
    return node;
}

Example 3 with FileInfo

use of org.apache.crail.metadata.FileInfo in project incubator-crail by apache.

the class CoreDataStore method _rename.

CrailNode _rename(RpcRenameFile renameRes, String src, String dst) throws Exception {
    if (renameRes.getError() == RpcErrors.ERR_SRC_FILE_NOT_FOUND) {
        LOG.info("rename: " + RpcErrors.messages[renameRes.getError()]);
        return null;
    }
    if (renameRes.getError() == RpcErrors.ERR_DST_PARENT_NOT_FOUND) {
        LOG.info("rename: " + RpcErrors.messages[renameRes.getError()]);
        return null;
    }
    if (renameRes.getError() == RpcErrors.ERR_FILE_EXISTS) {
        LOG.info("rename: " + RpcErrors.messages[renameRes.getError()]);
        return null;
    }
    if (renameRes.getError() != RpcErrors.ERR_OK) {
        LOG.info("rename: " + RpcErrors.messages[renameRes.getError()]);
        throw new IOException(RpcErrors.messages[renameRes.getError()]);
    }
    if (renameRes.getDstParent().getCapacity() < renameRes.getDstFile().getDirOffset() + CrailConstants.DIRECTORY_RECORD) {
        LOG.info("rename: parent capacity does not match dst file offset, capacity " + renameRes.getDstParent().getCapacity() + ", offset " + renameRes.getDstFile().getDirOffset());
    }
    FileInfo srcParent = renameRes.getSrcParent();
    FileInfo srcFile = renameRes.getSrcFile();
    FileInfo dstDir = renameRes.getDstParent();
    FileInfo dstFile = renameRes.getDstFile();
    BlockInfo srcBlock = renameRes.getSrcBlock();
    getBlockCache(srcParent.getFd()).put(CoreSubOperation.createKey(srcParent.getFd(), srcFile.getDirOffset()), srcBlock);
    BlockInfo dirBlock = renameRes.getDstBlock();
    getBlockCache(dstDir.getFd()).put(CoreSubOperation.createKey(dstDir.getFd(), dstFile.getDirOffset()), dirBlock);
    CoreSyncOperation syncOperationSrc = getSyncOperation(srcParent, srcFile, src, false);
    CoreSyncOperation syncOperationDst = getSyncOperation(dstDir, dstFile, dst, true);
    blockCache.remove(srcFile.getFd());
    if (CrailConstants.DEBUG) {
        LOG.info("rename: srcname " + src + ", dstname " + dst + ", success");
    }
    CoreNode node = CoreNode.create(this, dstFile, dst);
    node.addSyncOperation(syncOperationSrc);
    node.addSyncOperation(syncOperationDst);
    return node;
}

Example 4 with FileInfo

use of org.apache.crail.metadata.FileInfo in project incubator-crail by apache.

the class NameNodeService method setFile.

@Override
public short setFile(RpcRequestMessage.SetFileReq request, RpcResponseMessage.VoidRes response, RpcNameNodeState errorState) throws Exception {
    // check protocol
    if (!RpcProtocol.verifyProtocol(RpcProtocol.CMD_SET_FILE, request, response)) {
        return RpcErrors.ERR_PROTOCOL_MISMATCH;
    }
    // get params
    FileInfo fileInfo = request.getFileInfo();
    boolean close = request.isClose();
    // rpc
    AbstractNode storedFile = fileTable.get(fileInfo.getFd());
    if (storedFile == null) {
        return RpcErrors.ERR_FILE_NOT_OPEN;
    }
    if (storedFile.getToken() > 0 && storedFile.getToken() == fileInfo.getToken()) {
        storedFile.setCapacity(fileInfo.getCapacity());
    }
    if (close) {
        storedFile.resetToken();
    }
    if (CrailConstants.DEBUG) {
        LOG.info("setFile: " + fileInfo.toString() + ", close " + close);
    }
    return RpcErrors.ERR_OK;
}

Example 5 with FileInfo

use of org.apache.crail.metadata.FileInfo in project incubator-crail by apache.

the class CoreDataStore method _lookupNode.

CoreNode _lookupNode(RpcGetFile fileRes, String path) throws Exception {
    if (fileRes.getError() == RpcErrors.ERR_GET_FILE_FAILED) {
        return null;
    } else if (fileRes.getError() != RpcErrors.ERR_OK) {
        LOG.info("lookupDirectory: " + RpcErrors.messages[fileRes.getError()]);
        return null;
    }
    FileInfo fileInfo = fileRes.getFile();
    CoreNode node = null;
    if (fileInfo != null) {
        if (CrailConstants.DEBUG) {
            LOG.info("lookup: name " + path + ", success, fd " + fileInfo.getFd());
        }
        BlockInfo fileBlock = fileRes.getFileBlock();
        getBlockCache(fileInfo.getFd()).put(CoreSubOperation.createKey(fileInfo.getFd(), 0), fileBlock);
        node = CoreNode.create(this, fileInfo, path);
    }
    return node;
}