02a5551ba3
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1363904 13f79535-47bb-0310-9956-ffa450edef68
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/**
|
|
* 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"
|
|
#include "fuse_connect.h"
|
|
|
|
int dfs_getattr(const char *path, struct stat *st)
|
|
{
|
|
struct hdfsConn *conn = NULL;
|
|
hdfsFS fs;
|
|
int ret;
|
|
hdfsFileInfo *info;
|
|
|
|
TRACE1("getattr", path)
|
|
dfs_context *dfs = (dfs_context*)fuse_get_context()->private_data;
|
|
assert(dfs);
|
|
assert(path);
|
|
assert(st);
|
|
|
|
ret = fuseConnectAsThreadUid(&conn);
|
|
if (ret) {
|
|
fprintf(stderr, "fuseConnectAsThreadUid: failed to open a libhdfs "
|
|
"connection! error %d.\n", ret);
|
|
ret = -EIO;
|
|
goto cleanup;
|
|
}
|
|
fs = hdfsConnGetFs(conn);
|
|
|
|
info = hdfsGetPathInfo(fs,path);
|
|
if (NULL == info) {
|
|
ret = -ENOENT;
|
|
goto cleanup;
|
|
}
|
|
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(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);
|
|
|
|
cleanup:
|
|
if (conn) {
|
|
hdfsConnRelease(conn);
|
|
}
|
|
return ret;
|
|
}
|