Examples of WccData

org.apache.hadoop.nfs.nfs3.response.WccData
WccData saved information used by client for weak cache consistency

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

        }
      }
      
      if (!writeCtx.getReplied()) {
        WccAttr preOpAttr = latestAttr.getWccAttr();
        WccData fileWcc = new WccData(preOpAttr, latestAttr);
        if (writeCtx.getOriginalCount() != WriteCtx.INVALID_ORIGINAL_COUNT) {
          LOG.warn("Return original count:" + writeCtx.getOriginalCount()
              + " instead of real data count:" + count);
          count = writeCtx.getOriginalCount();
        }

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

      LOG.info("Fail pending write: (" + key.getMin() + "," + key.getMax()
          + "), nextOffset=" + nextOffset.get());
      
      WriteCtx writeCtx = pendingWrites.remove(key);
      if (!writeCtx.getReplied()) {
        WccData fileWcc = new WccData(preOpAttr, latestAttr);
        WRITE3Response response = new WRITE3Response(Nfs3Status.NFS3ERR_IO,
            fileWcc, 0, writeCtx.getStableHow(), Nfs3Constant.WRITE_COMMIT_VERF);
        Nfs3Utils.writeChannel(writeCtx.getChannel(), response
            .writeHeaderAndResponse(new XDR(), writeCtx.getXid(),
                new VerifierNone()), writeCtx.getXid());

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

      } catch (IOException e) {
        LOG.error("Can't apapend to file:" + fileIdPath + ", error:" + e);
        if (fos != null) {
          fos.close();
        }
        WccData fileWcc = new WccData(Nfs3Utils.getWccAttr(preOpAttr),
            preOpAttr);
        WRITE3Response response = new WRITE3Response(Nfs3Status.NFS3ERR_IO,
            fileWcc, count, request.getStableHow(),
            Nfs3Constant.WRITE_COMMIT_VERF);
        Nfs3Utils.writeChannel(channel, response.writeHeaderAndResponse(
            new XDR(), xid, new VerifierNone()), xid);
        return;
      }


      // Add open stream
      String writeDumpDir = config.get(Nfs3Constant.FILE_DUMP_DIR_KEY,
          Nfs3Constant.FILE_DUMP_DIR_DEFAULT);
      openFileCtx = new OpenFileCtx(fos, latestAttr, writeDumpDir + "/"
          + fileHandle.getFileId());
      addOpenFileStream(fileHandle, openFileCtx);
      if (LOG.isDebugEnabled()) {
        LOG.debug("opened stream for file:" + fileHandle.getFileId());
      }
    }


    // Add write into the async job queue
    openFileCtx.receivedNewWrite(dfsClient, request, channel, xid,
        asyncDataService, iug);
    // Block stable write
    if (request.getStableHow() != WriteStableHow.UNSTABLE) {
      if (handleCommit(fileHandle, offset + count)) {
        Nfs3FileAttributes postOpAttr = getFileAttr(dfsClient, handle, iug);
        WccData fileWcc = new WccData(Nfs3Utils.getWccAttr(preOpAttr),
            postOpAttr);
        WRITE3Response response = new WRITE3Response(Nfs3Status.NFS3_OK,
            fileWcc, count, request.getStableHow(),
            Nfs3Constant.WRITE_COMMIT_VERF);
        Nfs3Utils.writeChannel(channel, response.writeHeaderAndResponse(

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

        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);
      WccData wccData = null;
      try {
        wccData = Nfs3Utils.createWccData(Nfs3Utils.getWccAttr(preOpAttr),
            dfsClient, fileIdPath, iug);
      } catch (IOException e1) {
        LOG.info("Can't get postOpAttr for fileIdPath: " + fileIdPath);

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

        LOG.error("Can't get path for fileId:" + handle.getFileId());
        return new WRITE3Response(Nfs3Status.NFS3ERR_STALE);
      }
      
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new WRITE3Response(Nfs3Status.NFS3ERR_ACCES, new WccData(
            Nfs3Utils.getWccAttr(preOpAttr), preOpAttr), 0, stableHow,
            Nfs3Constant.WRITE_COMMIT_VERF);
      }
      
      if (LOG.isDebugEnabled()) {
        LOG.debug("requesed offset=" + offset + " and current filesize="
            + preOpAttr.getSize());
      }


      writeManager.handleWrite(dfsClient, request, channel, xid, preOpAttr);


    } catch (IOException e) {
      LOG.info("Error writing to fileId " + handle.getFileId() + " at offset "
          + offset + " and length " + data.length, e);
      // Try to return WccData
      Nfs3FileAttributes postOpAttr = null;
      try {
        postOpAttr = writeManager.getFileAttr(dfsClient, handle, iug);
      } catch (IOException e1) {
        LOG.info("Can't get postOpAttr for fileId: " + handle.getFileId());
      }
      WccAttr attr = preOpAttr == null ? null : Nfs3Utils.getWccAttr(preOpAttr);
      WccData fileWcc = new WccData(attr, postOpAttr);
      return new WRITE3Response(Nfs3Status.NFS3ERR_IO, fileWcc, 0,
          request.getStableHow(), Nfs3Constant.WRITE_COMMIT_VERF);
    }


    return null;

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

    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();

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

        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 {

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

      }


      String fileIdPath = dirFileIdPath + "/" + fileName;
      HdfsFileStatus fstat = Nfs3Utils.getFileStatus(dfsClient, fileIdPath);
      if (fstat == null) {
        WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
            preOpDirAttr);
        return new REMOVE3Response(Nfs3Status.NFS3ERR_NOENT, dirWcc);
      }
      if (fstat.isDir()) {
        WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
            preOpDirAttr);
        return new REMOVE3Response(Nfs3Status.NFS3ERR_ISDIR, dirWcc);
      }


      boolean result = dfsClient.delete(fileIdPath, false);
      WccData dirWcc = Nfs3Utils.createWccData(
          Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);


      if (!result) {
        return new REMOVE3Response(Nfs3Status.NFS3ERR_ACCES, dirWcc);
      }
      return new REMOVE3Response(Nfs3Status.NFS3_OK, 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 REMOVE3Response(Nfs3Status.NFS3ERR_PERM, dirWcc);
      } else {
        return new REMOVE3Response(Nfs3Status.NFS3ERR_IO, dirWcc);

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

      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);
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_ACCES, errWcc); 
      }


      String fileIdPath = dirFileIdPath + "/" + fileName;
      HdfsFileStatus fstat = Nfs3Utils.getFileStatus(dfsClient, fileIdPath);
      if (fstat == null) {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_NOENT, errWcc);
      }
      if (!fstat.isDir()) {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_NOTDIR, errWcc);
      }
      
      if (fstat.getChildrenNum() > 0) {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_NOTEMPTY, errWcc);
      }


      boolean result = dfsClient.delete(fileIdPath, false);
      WccData dirWcc = Nfs3Utils.createWccData(
          Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
      if (!result) {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_ACCES, dirWcc);
      }


      return new RMDIR3Response(Nfs3Status.NFS3_OK, 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 RMDIR3Response(Nfs3Status.NFS3ERR_PERM, dirWcc);
      } else {
        return new RMDIR3Response(Nfs3Status.NFS3ERR_IO, dirWcc);

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


    String fromDirFileIdPath = Nfs3Utils.getFileIdPath(fromHandle);
    String toDirFileIdPath = Nfs3Utils.getFileIdPath(toHandle);
    Nfs3FileAttributes fromPreOpAttr = null;
    Nfs3FileAttributes toPreOpAttr = null;
    WccData fromDirWcc = null;
    WccData toDirWcc = null;
    try {
      fromPreOpAttr = Nfs3Utils.getFileAttr(dfsClient, fromDirFileIdPath, iug);
      if (fromPreOpAttr == null) {
        LOG.info("Can't get path for fromHandle fileId:"
            + fromHandle.getFileId());
        return new RENAME3Response(Nfs3Status.NFS3ERR_STALE);
      }


      toPreOpAttr = Nfs3Utils.getFileAttr(dfsClient, toDirFileIdPath, iug);
      if (toPreOpAttr == null) {
        LOG.info("Can't get path for toHandle fileId:" + toHandle.getFileId());
        return new RENAME3Response(Nfs3Status.NFS3ERR_STALE);
      }
      
      if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
        WccData fromWcc = new WccData(Nfs3Utils.getWccAttr(fromPreOpAttr),
            fromPreOpAttr);
        WccData toWcc = new WccData(Nfs3Utils.getWccAttr(toPreOpAttr),
            toPreOpAttr);
        return new RENAME3Response(Nfs3Status.NFS3ERR_ACCES, fromWcc, toWcc);
      }


      String src = fromDirFileIdPath + "/" + fromName;

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