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

Examples of org.apache.hadoop.nfs.nfs3.request.CREATE3Request

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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    CREATE3Request request = null;

    try {
      request = new CREATE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid CREATE request");
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS CREATE dir fileId: " + dirHandle.getFileId()
          + " filename: " + fileName);
    }

    int createMode = request.getMode();
    if ((createMode != Nfs3Constant.CREATE_EXCLUSIVE)
        && request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)
        && request.getObjAttr().getSize() != 0) {
      LOG.error("Setting file size is not supported when creating file: "
          + fileName + " dir fileId:" + dirHandle.getFileId());
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    HdfsDataOutputStream fos = null;
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle fileHandle = null;
    WccData dirWcc = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.error("Can't get path for dirHandle:" + dirHandle);
        return new CREATE3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new CREATE3Response(Nfs3Status.NFS3ERR_ACCES, null,
            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);
         
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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    CREATE3Request request = null;

    try {
      request = new CREATE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid CREATE request");
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS CREATE dir fileId: " + dirHandle.getFileId()
          + " filename: " + fileName);
    }

    int createMode = request.getMode();
    if ((createMode != Nfs3Constant.CREATE_EXCLUSIVE)
        && request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)
        && request.getObjAttr().getSize() != 0) {
      LOG.error("Setting file size is not supported when creating file: "
          + fileName + " dir fileId:" + dirHandle.getFileId());
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    HdfsDataOutputStream fos = null;
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle fileHandle = null;
    WccData dirWcc = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.error("Can't get path for dirHandle:" + dirHandle);
        return new CREATE3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      if (!checkAccessPrivilege(remoteAddress, AccessPrivilege.READ_WRITE)) {
        return new CREATE3Response(Nfs3Status.NFS3ERR_ACCES, null,
            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);
         
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      nfsd = (RpcProgramNfs3) nfs3.getRpcProgram();

      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();

      WRITE3Request writeReq2 = new WRITE3Request(handle2, 0, 10,
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    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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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    CREATE3Request request = null;

    try {
      request = new CREATE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid CREATE request");
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS CREATE dir fileId: " + dirHandle.getFileId()
          + " filename: " + fileName);
    }

    int createMode = request.getMode();
    if ((createMode != Nfs3Constant.CREATE_EXCLUSIVE)
        && request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when creating file: "
          + fileName + " dir fileId:" + dirHandle.getFileId());
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    HdfsDataOutputStream fos = null;
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle fileHandle = null;
    WccData dirWcc = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.error("Can't get path for dirHandle:" + dirHandle);
        return new CREATE3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new CREATE3Response(Nfs3Status.NFS3ERR_ACCES, null,
            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);
         
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    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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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    CREATE3Request request = null;

    try {
      request = new CREATE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid CREATE request");
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS CREATE dir fileId: " + dirHandle.getFileId()
          + " filename: " + fileName);
    }

    int createMode = request.getMode();
    if ((createMode != Nfs3Constant.CREATE_EXCLUSIVE)
        && request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when creating file: "
          + fileName + " dir fileId:" + dirHandle.getFileId());
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    HdfsDataOutputStream fos = null;
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle fileHandle = null;
    WccData dirWcc = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.error("Can't get path for dirHandle:" + dirHandle);
        return new CREATE3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new CREATE3Response(Nfs3Status.NFS3ERR_ACCES, null,
            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);
         
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    // verifier
    request.writeInt(0); // auth null
    request.writeInt(0); // length zero

    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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    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    CREATE3Request request = null;

    try {
      request = new CREATE3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid CREATE request");
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS CREATE dir fileId: " + dirHandle.getFileId()
          + " filename: " + fileName);
    }

    int createMode = request.getMode();
    if ((createMode != Nfs3Constant.CREATE_EXCLUSIVE)
        && request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when creating file: "
          + fileName + " dir fileId:" + dirHandle.getFileId());
      return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FSDataOutputStream fos = null;
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    WccAttr preOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle fileHandle = null;
    WccData dirWcc = null;
    try {
      preOpDirAttr = Nfs3Utils.getWccAttr(dfsClient, dirFileIdPath);
      if (preOpDirAttr == null) {
        LOG.error("Can't get path for dirHandle:" + dirHandle);
        return new CREATE3Response(Nfs3Status.NFS3ERR_STALE);
      }

      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);
         
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    // verifier
    request.writeInt(0); // auth null
    request.writeInt(0); // length zero

    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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Related Classes of org.apache.hadoop.nfs.nfs3.request.CREATE3Request

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  • org.apache.hadoop.hdfs.nfs.mount.RpcProgramMountd
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  • org.apache.hadoop.hdfs.nfs.nfs3.OpenFileCtxCache
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  • 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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