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

Examples of org.apache.hadoop.nfs.nfs3.request.SetAttr3

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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    RMDIR3Request request = null;
    try {
      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);
    }
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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    SETATTR3Request request = null;
    try {
      request = new SETATTR3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid SETATTR request");
      response.setStatus(Nfs3Status.NFS3ERR_INVAL);
      return response;
    }

    FileHandle handle = request.getHandle();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS SETATTR fileId: " + handle.getFileId());
    }

    if (request.getAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when setattr, fileId: "
          + handle.getFileId());
      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) {
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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }

    SYMLINK3Request request = null;
    try {
      request = new SYMLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid SYMLINK request");
      response.setStatus(Nfs3Status.NFS3ERR_INVAL);
      return response;
    }

    FileHandle dirHandle = request.getHandle();
    String name = request.getName();
    String symData = request.getSymData();
    String linkDirIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    // Don't do any name check to source path, just leave it to HDFS
    String linkIdPath = linkDirIdPath + "/" + name;
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS SYMLINK, target: " + symData + " link: " + linkIdPath);
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            preOpDirAttr, new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
                preOpDirAttr));
      }

      String fileIdPath = Nfs3Utils.getFileIdPath(dirHandle) + "/" + fileName;
      SetAttr3 setAttr3 = request.getObjAttr();
      assert (setAttr3 != null);
      FsPermission permission = setAttr3.getUpdateFields().contains(
          SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
          : FsPermission.getDefault().applyUMask(umask);
         
      EnumSet<CreateFlag> flag = (createMode != Nfs3Constant.CREATE_EXCLUSIVE) ?
          EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE) :
          EnumSet.of(CreateFlag.CREATE);
     
      fos = new HdfsDataOutputStream(dfsClient.create(fileIdPath, permission,
          flag, false, replication, blockSize, null, bufferSize, null),
          statistics);
     
      if ((createMode == Nfs3Constant.CREATE_UNCHECKED)
          || (createMode == Nfs3Constant.CREATE_GUARDED)) {
        // 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);
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        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());
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            preOpDirAttr, new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
                preOpDirAttr));
      }

      String fileIdPath = Nfs3Utils.getFileIdPath(dirHandle) + "/" + fileName;
      SetAttr3 setAttr3 = request.getObjAttr();
      assert (setAttr3 != null);
      FsPermission permission = setAttr3.getUpdateFields().contains(
          SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
          : FsPermission.getDefault().applyUMask(umask);
         
      EnumSet<CreateFlag> flag = (createMode != Nfs3Constant.CREATE_EXCLUSIVE) ?
          EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE) :
          EnumSet.of(CreateFlag.CREATE);
     
      fos = new HdfsDataOutputStream(dfsClient.create(fileIdPath, permission,
          flag, false, replication, blockSize, null, bufferSize, null),
          statistics);
     
      if ((createMode == Nfs3Constant.CREATE_UNCHECKED)
          || (createMode == Nfs3Constant.CREATE_GUARDED)) {
        // 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);
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        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());
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      HdfsFileStatus status = client.getFileInfo("/");
      FileHandle rootHandle = new FileHandle(status.getFileId());
      // Create file1
      CREATE3Request createReq = new CREATE3Request(rootHandle, "file1",
          Nfs3Constant.CREATE_UNCHECKED, new SetAttr3(), 0);
      XDR createXdr = new XDR();
      createReq.serialize(createXdr);
      CREATE3Response createRsp = nfsd.create(createXdr.asReadOnlyWrap(),
          securityHandler, new InetSocketAddress("localhost", 1234));
      FileHandle handle = createRsp.getObjHandle();

      // Test DATA_SYNC
      byte[] buffer = new byte[10];
      for (int i = 0; i < 10; i++) {
        buffer[i] = (byte) i;
      }
      WRITE3Request writeReq = new WRITE3Request(handle, 0, 10,
          WriteStableHow.DATA_SYNC, ByteBuffer.wrap(buffer));
      XDR writeXdr = new XDR();
      writeReq.serialize(writeXdr);
      nfsd.write(writeXdr.asReadOnlyWrap(), null, 1, securityHandler,
          new InetSocketAddress("localhost", 1234));

      waitWrite(nfsd, handle, 60000);

      // Readback
      READ3Request readReq = new READ3Request(handle, 0, 10);
      XDR readXdr = new XDR();
      readReq.serialize(readXdr);
      READ3Response readRsp = nfsd.read(readXdr.asReadOnlyWrap(),
          securityHandler, new InetSocketAddress("localhost", 1234));

      assertTrue(Arrays.equals(buffer, readRsp.getData().array()));

      // Test FILE_SYNC

      // Create file2
      CREATE3Request createReq2 = new CREATE3Request(rootHandle, "file2",
          Nfs3Constant.CREATE_UNCHECKED, new SetAttr3(), 0);
      XDR createXdr2 = new XDR();
      createReq2.serialize(createXdr2);
      CREATE3Response createRsp2 = nfsd.create(createXdr2.asReadOnlyWrap(),
          securityHandler, new InetSocketAddress("localhost", 1234));
      FileHandle handle2 = createRsp2.getObjHandle();
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    XDR request = new XDR();
    RpcCall.getInstance(0x8000004c, Nfs3Constant.PROGRAM, Nfs3Constant.VERSION,
        Nfs3Constant.NFSPROC3.CREATE.getValue(), new CredentialsNone(),
        new VerifierNone()).write(request);

    SetAttr3 objAttr = new SetAttr3();
    CREATE3Request createReq = new CREATE3Request(new FileHandle("/"),
        "out-of-order-write" + System.currentTimeMillis(), 0, objAttr, 0);
    createReq.serialize(request);
    return request;
  }
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            preOpDirAttr, new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
                preOpDirAttr));
      }

      String fileIdPath = Nfs3Utils.getFileIdPath(dirHandle) + "/" + fileName;
      SetAttr3 setAttr3 = request.getObjAttr();
      assert (setAttr3 != null);
      FsPermission permission = setAttr3.getUpdateFields().contains(
          SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
          : FsPermission.getDefault().applyUMask(umask);
         
      EnumSet<CreateFlag> flag = (createMode != Nfs3Constant.CREATE_EXCLUSIVE) ?
          EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE) :
          EnumSet.of(CreateFlag.CREATE);
     
      fos = new HdfsDataOutputStream(dfsClient.create(fileIdPath, permission,
          flag, false, replication, blockSize, null, bufferSize, null),
          statistics);
     
      if ((createMode == Nfs3Constant.CREATE_UNCHECKED)
          || (createMode == Nfs3Constant.CREATE_GUARDED)) {
        // 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);
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Related Classes of org.apache.hadoop.nfs.nfs3.request.SetAttr3

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  • org.apache.hadoop.hdfs.nfs.nfs3.OpenFileCtxCache
  • org.apache.hadoop.hdfs.nfs.nfs3.RpcProgramNfs3
  • org.apache.hadoop.hdfs.nfs.nfs3.TestClientAccessPrivilege
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  • org.apache.hadoop.hdfs.nfs.nfs3.TestOpenFileCtxCache
  • org.apache.hadoop.hdfs.nfs.nfs3.TestReaddir
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