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

Example 1 with FileName

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

the class CoreDataStore method lookup.

public Upcoming<CrailNode> lookup(String path) throws Exception {
    FileName name = new FileName(path);
    if (CrailConstants.DEBUG) {
        LOG.info("lookupDirectory: path " + path);
    }
    RpcFuture<RpcGetFile> fileRes = rpcConnection.getFile(name, false);
    return new LookupNodeFuture(this, path, fileRes);
}

Example 2 with FileName

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

the class CoreDataStore method rename.

public Upcoming<CrailNode> rename(String src, String dst) throws Exception {
    FileName srcPath = new FileName(src);
    FileName dstPath = new FileName(dst);
    if (CrailConstants.DEBUG) {
        LOG.info("rename: srcname " + src + ", dstname " + dst);
    }
    RpcFuture<RpcRenameFile> renameRes = rpcConnection.renameFile(srcPath, dstPath);
    return new RenameNodeFuture(this, src, dst, renameRes);
}

Example 3 with FileName

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

the class CrailFsck method directoryDump.

public void directoryDump(String filename, boolean randomize) throws Exception {
    CrailConfiguration conf = new CrailConfiguration();
    CrailConstants.updateConstants(conf);
    CoreDataStore fs = new CoreDataStore(conf);
    DirectoryInputStream iter = fs._listEntries(filename, randomize);
    System.out.println("#hash   \t\tname\t\tfilecomponent");
    int i = 0;
    while (iter.hasRecord()) {
        DirectoryRecord record = iter.nextRecord();
        String path = CrailUtils.combinePath(record.getParent(), record.getFile());
        FileName hash = new FileName(path);
        System.out.format(i + ": " + "%08d\t\t%s\t%d\n", record.isValid() ? 1 : 0, padRight(record.getFile(), 8), hash.getFileComponent());
        i++;
    }
    iter.close();
    fs.closeFileSystem();
}

Example 4 with FileName

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

the class NameNodeService method getFile.

@Override
public short getFile(RpcRequestMessage.GetFileReq request, RpcResponseMessage.GetFileRes response, RpcNameNodeState errorState) throws Exception {
    // check protocol
    if (!RpcProtocol.verifyProtocol(RpcProtocol.CMD_GET_FILE, request, response)) {
        return RpcErrors.ERR_PROTOCOL_MISMATCH;
    }
    // get params
    FileName fileHash = request.getFileName();
    boolean writeable = request.isWriteable();
    // rpc
    AbstractNode fileInfo = fileTree.retrieveFile(fileHash, errorState);
    if (errorState.getError() != RpcErrors.ERR_OK) {
        return errorState.getError();
    }
    if (fileInfo == null) {
        return RpcErrors.ERR_GET_FILE_FAILED;
    }
    if (writeable && !fileInfo.tokenFree()) {
        return RpcErrors.ERR_TOKEN_TAKEN;
    }
    if (writeable) {
        fileInfo.updateToken();
    }
    fileTable.put(fileInfo.getFd(), fileInfo);
    BlockInfo fileBlock = fileInfo.getBlock(0);
    response.setFileInfo(fileInfo);
    response.setFileBlock(fileBlock);
    if (writeable) {
        response.shipToken();
    }
    if (CrailConstants.DEBUG) {
        LOG.info("getFile: fd " + fileInfo.getFd() + ", isDir " + fileInfo.getType().isDirectory() + ", token " + fileInfo.getToken() + ", capacity " + fileInfo.getCapacity());
    }
    return RpcErrors.ERR_OK;
}

Example 5 with FileName

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

the class NameNodeService method removeFile.

@Override
public short removeFile(RpcRequestMessage.RemoveFileReq request, RpcResponseMessage.DeleteFileRes response, RpcNameNodeState errorState) throws Exception {
    // check protocol
    if (!RpcProtocol.verifyProtocol(RpcProtocol.CMD_REMOVE_FILE, request, response)) {
        return RpcErrors.ERR_PROTOCOL_MISMATCH;
    }
    // get params
    FileName fileHash = request.getFileName();
    // rpc
    AbstractNode parentInfo = fileTree.retrieveParent(fileHash, errorState);
    if (errorState.getError() != RpcErrors.ERR_OK) {
        return errorState.getError();
    }
    if (parentInfo == null) {
        return RpcErrors.ERR_CREATE_FILE_FAILED;
    }
    AbstractNode fileInfo = fileTree.retrieveFile(fileHash, errorState);
    if (errorState.getError() != RpcErrors.ERR_OK) {
        return errorState.getError();
    }
    if (fileInfo == null) {
        return RpcErrors.ERR_GET_FILE_FAILED;
    }
    response.setParentInfo(parentInfo);
    response.setFileInfo(fileInfo);
    fileInfo = parentInfo.removeChild(fileInfo.getComponent());
    if (fileInfo == null) {
        return RpcErrors.ERR_GET_FILE_FAILED;
    }
    appendToDeleteQueue(fileInfo);
    if (CrailConstants.DEBUG) {
        LOG.info("removeFile: filename, fd " + fileInfo.getFd());
    }
    return RpcErrors.ERR_OK;
}