text: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "fuse_dfs.h"
  #include "fuse_impls.h"
  #include "fuse_stat_struct.h"
  
  int dfs_getattr(const char *path, struct stat *st)
  {
    TRACE1("getattr", path)
  
    // retrieve dfs specific data
    dfs_context *dfs = (dfs_context*)fuse_get_context()->private_data;
  
    // check params and the context var
    assert(dfs);
    assert(path);
    assert(st);
  
    // if not connected, try to connect and fail out if we can't.
    if (NULL == dfs->fs && NULL == (dfs->fs = hdfsConnect(dfs->nn_hostname,dfs->nn_port))) {
      syslog(LOG_ERR, "ERROR: could not connect to %s:%d %s:%d\n", dfs->nn_hostname, dfs->nn_port,__FILE__, __LINE__);
      return -EIO;
    }
  
    // call the dfs API to get the actual information
    hdfsFileInfo *info = hdfsGetPathInfo(dfs->fs,path);
  
    if (NULL == info) {
      return -ENOENT;
    }
  
    fill_stat_structure(&info[0], st);
  
    // setup hard link info - for a file it is 1 else num entries in a dir + 2 (for . and ..)
    if (info[0].mKind == kObjectKindDirectory) {
      int numEntries = 0;
      hdfsFileInfo *info = hdfsListDirectory(dfs->fs,path,&numEntries);
  
      if (info) {
        hdfsFreeFileInfo(info,numEntries);
      }
      st->st_nlink = numEntries + 2;
    } else {
      // not a directory
      st->st_nlink = 1;
    }
  
    // free the info pointer
    hdfsFreeFileInfo(info,1);
  
    return 0;
  }
  