Package org.apache.hadoop.nfs.nfs3.response

Examples of org.apache.hadoop.nfs.nfs3.response.MKDIR3Response

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  }

  @Override
  public FSINFO3Response fsinfo(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    FSINFO3Response response = new FSINFO3Response(Nfs3Status.NFS3_OK);
   
    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    FSINFO3Request request = null;
    try {
      request = new FSINFO3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid FSINFO request");
      return new FSINFO3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    try {
      int rtmax = config.getInt(Nfs3Constant.MAX_READ_TRANSFER_SIZE_KEY,
              Nfs3Constant.MAX_READ_TRANSFER_SIZE_DEFAULT);
      int wtmax = config.getInt(Nfs3Constant.MAX_WRITE_TRANSFER_SIZE_KEY,
              Nfs3Constant.MAX_WRITE_TRANSFER_SIZE_DEFAULT);
      int dtperf = config.getInt(Nfs3Constant.MAX_READDIR_TRANSFER_SIZE_KEY,
              Nfs3Constant.MAX_READDIR_TRANSFER_SIZE_DEFAULT);

      Nfs3FileAttributes attrs = Nfs3Utils.getFileAttr(dfsClient,
          Nfs3Utils.getFileIdPath(handle), iug);
      if (attrs == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new FSINFO3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      int fsProperty = Nfs3Constant.FSF3_CANSETTIME
          | Nfs3Constant.FSF3_HOMOGENEOUS;

      return new FSINFO3Response(Nfs3Status.NFS3_OK, attrs, rtmax, rtmax, 1,
          wtmax, wtmax, 1, dtperf, Long.MAX_VALUE, new NfsTime(1), fsProperty);
    } catch (IOException e) {
      LOG.warn("Exception ", e);
      return new FSINFO3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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  }
 
  @Override
  public FSSTAT3Response fsstat(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    FSSTAT3Response response = new FSSTAT3Response(Nfs3Status.NFS3_OK);
   
    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    FSSTAT3Request request = null;
    try {
      request = new FSSTAT3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid FSSTAT request");
      return new FSSTAT3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    try {
      // Use superUserClient to get file system status
      FsStatus fsStatus = superUserClient.getDiskStatus();
      long totalBytes = fsStatus.getCapacity();
      long freeBytes = fsStatus.getRemaining();
     
      Nfs3FileAttributes attrs = writeManager.getFileAttr(dfsClient, handle,
          iug);
      if (attrs == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new FSSTAT3Response(Nfs3Status.NFS3ERR_STALE);
      }
     
      long maxFsObjects = config.getLong("dfs.max.objects", 0);
      if (maxFsObjects == 0) {
        // A value of zero in HDFS indicates no limit to the number
        // of objects that dfs supports. Using Integer.MAX_VALUE instead of
        // Long.MAX_VALUE so 32bit client won't complain.
        maxFsObjects = Integer.MAX_VALUE;
      }
     
      return new FSSTAT3Response(Nfs3Status.NFS3_OK, attrs, totalBytes,
          freeBytes, freeBytes, maxFsObjects, maxFsObjects, maxFsObjects, 0);
    } catch (RemoteException r) {
      LOG.warn("Exception ", r);
      IOException io = r.unwrapRemoteException();
      /**
       * AuthorizationException can be thrown if the user can't be proxy'ed.
       */
      if (io instanceof AuthorizationException) {
        return new FSSTAT3Response(Nfs3Status.NFS3ERR_ACCES);
      } else {
        return new FSSTAT3Response(Nfs3Status.NFS3ERR_IO);
      }
    } catch (IOException e) {
      LOG.warn("Exception ", e);
      return new FSSTAT3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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  }

  @Override
  public GETATTR3Response getattr(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    GETATTR3Response response = new GETATTR3Response(Nfs3Status.NFS3_OK);
   
    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    GETATTR3Request request = null;
    try {
      request = new GETATTR3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid GETATTR request");
      response.setStatus(Nfs3Status.NFS3ERR_INVAL);
      return response;
    }

    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();
      /**
       * AuthorizationException can be thrown if the user can't be proxy'ed.
       */
      if (io instanceof AuthorizationException) {
        return new GETATTR3Response(Nfs3Status.NFS3ERR_ACCES);
      } else {
        return new GETATTR3Response(Nfs3Status.NFS3ERR_IO);
      }
    } catch (IOException e) {
      LOG.info("Can't get file attribute, fileId=" + handle.getFileId(), e);
      response.setStatus(Nfs3Status.NFS3ERR_IO);
      return response;
    }
    if (attrs == null) {
      LOG.error("Can't get path for fileId:" + handle.getFileId());
      response.setStatus(Nfs3Status.NFS3ERR_STALE);
      return response;
    }
    response.setPostOpAttr(attrs);
    return response;
  }
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  }

  @Override
  public LOOKUP3Response lookup(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    LOOKUP3Response response = new LOOKUP3Response(Nfs3Status.NFS3_OK);
   
    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    LOOKUP3Request request = null;
    try {
      request = new LOOKUP3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid LOOKUP request");
      return new LOOKUP3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS LOOKUP dir fileId: " + dirHandle.getFileId() + " name: "
          + 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);
      }
      FileHandle fileHandle = new FileHandle(postOpObjAttr.getFileId());
      return new LOOKUP3Response(Nfs3Status.NFS3_OK, fileHandle, postOpObjAttr,
          postOpDirAttr);

    } catch (IOException e) {
      LOG.warn("Exception ", e);
      return new LOOKUP3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath, e);
        }
      }
      WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
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        dirWcc);
  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, RpcInfo info) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      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(info, 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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath, e);
        }
      }
      WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
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  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    DFSClient dfsClient = clientCache.get(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath);
        }
      }
      WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
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  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    DFSClient dfsClient = clientCache.get(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath);
        }
      }
      WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
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    return new CREATE3Response(Nfs3Status.NFS3_OK, fileHandle, postOpObjAttr,
        dirWcc);
  }

  public MKDIR3Response mkdir(XDR xdr, RpcAuthSys authSys) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    String uname = authSysCheck(authSys);
    DFSClient dfsClient = clientCache.get(uname);
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

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

      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(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(authSys.getGid());
      }
      setattrInternal(dfsClient, fileIdPath, setAttr3, false);
     
      postOpObjAttr = Nfs3Utils.getFileAttr(dfsClient, fileIdPath, iug);
      objFileHandle = new FileHandle(postOpObjAttr.getFileId());
      WccData dirWcc = Nfs3Utils.createWccData(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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath);
        }
      }
      WccData dirWcc = new WccData(preOpDirAttr, postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
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  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      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) {
        try {
          postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        } catch (IOException e1) {
          LOG.info("Can't get postOpDirAttr for " + dirFileIdPath);
        }
      }
      WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
          postOpDirAttr);
      if (e instanceof AccessControlException) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_PERM, objFileHandle,
            postOpObjAttr, dirWcc);
      } else {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, objFileHandle,
            postOpObjAttr, dirWcc);
      }
    }
  }
View Full Code Here
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