Package org.apache.hadoop.nfs.nfs3.request

Examples of org.apache.hadoop.nfs.nfs3.request.LOOKUP3Request

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      request = new MKDIR3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid MKDIR request");
      return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
    }
    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();

    if (request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when mkdir: " + fileName
          + " in dirHandle" + dirHandle);
      return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle objFileHandle = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
        return new MKDIR3Response(Nfs3Status.NFS3ERR_STALE);
      }

      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_ACCES, null, preOpDirAttr,
            new WccData(Nfs3Utils.getWccAttr(preOpDirAttr), preOpDirAttr));
      }
     
      final String fileIdPath = dirFileIdPath + "/" + fileName;
      SetAttr3 setAttr3 = request.getObjAttr();
      FsPermission permission = setAttr3.getUpdateFields().contains(
          SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
          : FsPermission.getDefault().applyUMask(umask);

      if (!dfsClient.mkdirs(fileIdPath, permission, false)) {
        WccData dirWcc = Nfs3Utils.createWccData(
            Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, null, null, dirWcc);
      }

      // Set group if it's not specified in the request.
      if (!setAttr3.getUpdateFields().contains(SetAttrField.GID)) {
        setAttr3.getUpdateFields().add(SetAttrField.GID);
        setAttr3.setGid(securityHandler.getGid());
      }
      setattrInternal(dfsClient, fileIdPath, setAttr3, false);
     
      postOpObjAttr = Nfs3Utils.getFileAttr(dfsClient, fileIdPath, iug);
      objFileHandle = new FileHandle(postOpObjAttr.getFileId());
      WccData dirWcc = Nfs3Utils.createWccData(
          Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
      return new MKDIR3Response(Nfs3Status.NFS3_OK, new FileHandle(
          postOpObjAttr.getFileId()), postOpObjAttr, dirWcc);
    } catch (IOException e) {
      LOG.warn("Exception ", e);
      // Try to return correct WccData
      if (postOpDirAttr == null) {
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      request = new REMOVE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid REMOVE request");
      return new REMOVE3Response(Nfs3Status.NFS3ERR_INVAL);
    }
    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS REMOVE dir fileId: " + dirHandle.getFileId()
          + " fileName: " + fileName);
    }

    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpDirAttr = null;
    try {
      preOpDirAttr =  Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
        return new REMOVE3Response(Nfs3Status.NFS3ERR_STALE);
      }

      String fileIdPath = dirFileIdPath + "/" + fileName;
      HdfsFileStatus fstat = Nfs3Utils.getFileStatus(dfsClient, fileIdPath);
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      request = new RMDIR3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid RMDIR request");
      return new RMDIR3Response(Nfs3Status.NFS3ERR_INVAL);
    }
    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();

    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS RMDIR dir fileId: " + dirHandle.getFileId()
          + " fileName: " + fileName);
    }

    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpDirAttr = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
        return new RMDIR3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      WccData errWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          preOpDirAttr);
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    super("NFS3", "localhost", config.getInt(Nfs3Constant.NFS3_SERVER_PORT,
        Nfs3Constant.NFS3_SERVER_PORT_DEFAULT), Nfs3Constant.PROGRAM,
        Nfs3Constant.VERSION, Nfs3Constant.VERSION);
  
    config.set(FsPermission.UMASK_LABEL, "000");
    iug = new IdUserGroup();
   
    exports = NfsExports.getInstance(config);
    writeManager = new WriteManager(iug, config);
    clientCache = new DFSClientCache(config);
    superUserClient = new DFSClient(NameNode.getAddress(config), config);
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  }
 
  @Override
  public void handleInternal(ChannelHandlerContext ctx, RpcInfo info) {
    RpcCall rpcCall = (RpcCall) info.header();
    final NFSPROC3 nfsproc3 = NFSPROC3.fromValue(rpcCall.getProcedure());
    int xid = rpcCall.getXid();
    byte[] data = new byte[info.data().readableBytes()];
    info.data().readBytes(data);
    XDR xdr = new XDR(data);
    XDR out = new XDR();
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    RpcUtil.sendRpcResponse(ctx, rsp);
  }
 
  @Override
  protected boolean isIdempotent(RpcCall call) {
    final NFSPROC3 nfsproc3 = NFSPROC3.fromValue(call.getProcedure());
    return nfsproc3 == null || nfsproc3.isIdempotent();
  }
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      return new WRITE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    long offset = request.getOffset();
    int count = request.getCount();
    WriteStableHow stableHow = request.getStableHow();
    byte[] data = request.getData().array();
    if (data.length < count) {
      LOG.error("Invalid argument, data size is less than count in request");
      return new WRITE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle handle = request.getHandle();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS WRITE fileId: " + handle.getFileId() + " offset: "
          + offset + " length:" + count + " stableHow:" + stableHow.getValue()
          + " xid:" + xid);
    }

    Nfs3FileAttributes preOpAttr = null;
    try {
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    FileHandle handle = request.getHandle();
    if (LOG.isTraceEnabled()) {
      LOG.trace("GETATTR for fileId: " + handle.getFileId());
    }

    Nfs3FileAttributes attrs = null;
    try {
      attrs = writeManager.getFileAttr(dfsClient, handle, iug);
    } catch (RemoteException r) {
      LOG.warn("Exception ", r);
      IOException io = r.unwrapRemoteException();
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      response.setStatus(Nfs3Status.NFS3ERR_INVAL);
      return response;
    }

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    Nfs3FileAttributes preOpAttr = null;
    try {
      preOpAttr = Nfs3Utils.getFileAttr(dfsClient, fileIdPath, iug);
      if (preOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        response.setStatus(Nfs3Status.NFS3ERR_STALE);
        return response;
      }
      WccAttr preOpWcc = Nfs3Utils.getWccAttr(preOpAttr);
      if (request.isCheck()) {
        if (!preOpAttr.getCtime().equals(request.getCtime())) {
          WccData wccData = new WccData(preOpWcc, preOpAttr);
          return new SETATTR3Response(Nfs3Status.NFS3ERR_NOT_SYNC, wccData);
        }
      }
     
      // check the write access privilege
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new SETATTR3Response(Nfs3Status.NFS3ERR_ACCES, new WccData(
            preOpWcc, preOpAttr));
      }

      setattrInternal(dfsClient, fileIdPath, request.getAttr(), true);
      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      WccData wccData = new WccData(preOpWcc, postOpAttr);
      return new SETATTR3Response(Nfs3Status.NFS3_OK, wccData);
    } catch (IOException e) {
      LOG.warn("Exception ", e);
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          + fileName);
    }

    try {
      String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
      Nfs3FileAttributes postOpObjAttr = writeManager.getFileAttr(dfsClient,
          dirHandle, fileName);
      if (postOpObjAttr == null) {
        if (LOG.isDebugEnabled()) {
          LOG.debug("NFS LOOKUP fileId: " + dirHandle.getFileId() + " name:"
              + fileName + " does not exist");
        }
        Nfs3FileAttributes postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient,
            dirFileIdPath, iug);
        return new LOOKUP3Response(Nfs3Status.NFS3ERR_NOENT, null, null,
            postOpDirAttr);
      }

      Nfs3FileAttributes postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient,
          dirFileIdPath, iug);
      if (postOpDirAttr == null) {
        LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
        return new LOOKUP3Response(Nfs3Status.NFS3ERR_STALE);
      }
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Related Classes of org.apache.hadoop.nfs.nfs3.request.LOOKUP3Request

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.hdfs.nfs.mount.RpcProgramMountd
  • org.apache.hadoop.hdfs.nfs.nfs3.Nfs3Utils
  • org.apache.hadoop.hdfs.nfs.nfs3.OpenFileCtx
  • org.apache.hadoop.hdfs.nfs.nfs3.OpenFileCtxCache
  • org.apache.hadoop.hdfs.nfs.nfs3.RpcProgramNfs3
  • org.apache.hadoop.hdfs.nfs.nfs3.TestClientAccessPrivilege
  • org.apache.hadoop.hdfs.nfs.nfs3.TestNfs3Utils
  • org.apache.hadoop.hdfs.nfs.nfs3.TestOpenFileCtxCache
  • org.apache.hadoop.hdfs.nfs.nfs3.TestReaddir
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