Examples of READLINK3Response

Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  public READLINK3Response readlink(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    READLINK3Response response = new READLINK3Response(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;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      int rtmax = config.getInt(Nfs3Constant.MAX_READ_TRANSFER_SIZE_KEY,
              Nfs3Constant.MAX_READ_TRANSFER_SIZE_DEFAULT);
      if (rtmax < target.getBytes().length) {
        LOG.error("Link size: " + target.getBytes().length
            + " is larger than max transfer size: " + rtmax);
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr,
            new byte[0]);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  @Override
  public READLINK3Response readlink(XDR xdr, RpcInfo info) {
    READLINK3Response response = new READLINK3Response(Nfs3Status.NFS3_OK);

    if (!checkAccessPrivilege(info, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }

    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      int rtmax = config.getInt(NfsConfigKeys.DFS_NFS_MAX_READ_TRANSFER_SIZE_KEY,
          NfsConfigKeys.DFS_NFS_MAX_READ_TRANSFER_SIZE_DEFAULT);
      if (rtmax < target.getBytes().length) {
        LOG.error("Link size: " + target.getBytes().length
            + " is larger than max transfer size: " + rtmax);
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr,
            new byte[0]);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  public READLINK3Response readlink(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    READLINK3Response response = new READLINK3Response(Nfs3Status.NFS3_OK);

    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }

    DFSClient dfsClient = clientCache.get(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      if (MAX_READ_TRANSFER_SIZE < target.getBytes().length) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr, null);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  public READLINK3Response readlink(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    READLINK3Response response = new READLINK3Response(Nfs3Status.NFS3_OK);

    if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }

    DFSClient dfsClient = clientCache.get(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      if (MAX_READ_TRANSFER_SIZE < target.getBytes().length) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr, null);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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      return new ACCESS3Response(Nfs3Status.NFS3ERR_IO);
    }
  }

  public READLINK3Response readlink(XDR xdr, RpcAuthSys authSys) {
    return new READLINK3Response(Nfs3Status.NFS3ERR_NOTSUPP);
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  public READLINK3Response readlink(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    READLINK3Response response = new READLINK3Response(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;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      if (MAX_READ_TRANSFER_SIZE < target.getBytes().length) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr, null);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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Examples of org.apache.hadoop.nfs.nfs3.response.READLINK3Response

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    }
  }

  public READLINK3Response readlink(XDR xdr, SecurityHandler securityHandler,
      InetAddress client) {
    READLINK3Response response = new READLINK3Response(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;
    }

    READLINK3Request request = null;

    try {
      request = new READLINK3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid READLINK request");
      return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
    }

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

    String fileIdPath = Nfs3Utils.getFileIdPath(handle);
    try {
      String target = dfsClient.getLinkTarget(fileIdPath);

      Nfs3FileAttributes postOpAttr = Nfs3Utils.getFileAttr(dfsClient,
          fileIdPath, iug);
      if (postOpAttr == null) {
        LOG.info("Can't get path for fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      }
      if (postOpAttr.getType() != NfsFileType.NFSLNK.toValue()) {
        LOG.error("Not a symlink, fileId:" + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_INVAL);
      }
      if (target == null) {
        LOG.error("Symlink target should not be null, fileId:"
            + handle.getFileId());
        return new READLINK3Response(Nfs3Status.NFS3ERR_SERVERFAULT);
      }
      int rtmax = config.getInt(Nfs3Constant.MAX_READ_TRANSFER_SIZE_KEY,
              Nfs3Constant.MAX_READ_TRANSFER_SIZE_DEFAULT);
      if (rtmax < target.getBytes().length) {
        LOG.error("Link size: " + target.getBytes().length
            + " is larger than max transfer size: " + rtmax);
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr,
            new byte[0]);
      }

      return new READLINK3Response(Nfs3Status.NFS3_OK, postOpAttr,
          target.getBytes());

    } catch (IOException e) {
      LOG.warn("Readlink error: " + e.getClass(), e);
      if (e instanceof FileNotFoundException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_STALE);
      } else if (e instanceof AccessControlException) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_ACCES);
      }
      return new READLINK3Response(Nfs3Status.NFS3ERR_IO);
    }
  }
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