fuse_impls_rmdir.c
上传用户:quxuerui
上传日期:2018-01-08
资源大小:41811k
文件大小:2k
- /**
- * 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_trash.h"
- #include "fuse_connect.h"
- extern const char *const TrashPrefixDir;
- int dfs_rmdir(const char *path)
- {
- TRACE1("rmdir", path)
- // retrieve dfs specific data
- dfs_context *dfs = (dfs_context*)fuse_get_context()->private_data;
- // check params and the context var
- assert(path);
- assert(dfs);
- assert('/' == *path);
- if (is_protected(path)) {
- syslog(LOG_ERR,"ERROR: hdfs trying to delete a protected directory: %s ",path);
- return -EACCES;
- }
- if (dfs->read_only) {
- syslog(LOG_ERR,"ERROR: hdfs is configured as read-only, cannot delete the directory %sn",path);
- return -EACCES;
- }
- hdfsFS userFS;
- // if not connected, try to connect and fail out if we can't.
- if ((userFS = doConnectAsUser(dfs->nn_hostname,dfs->nn_port))== NULL) {
- syslog(LOG_ERR, "ERROR: could not connect to dfs %s:%dn", __FILE__, __LINE__);
- return -EIO;
- }
- int numEntries = 0;
- hdfsFileInfo *info = hdfsListDirectory(userFS,path,&numEntries);
- // free the info pointers
- hdfsFreeFileInfo(info,numEntries);
- if (numEntries) {
- return -ENOTEMPTY;
- }
- if (hdfsDeleteWithTrash(userFS, path, dfs->usetrash)) {
- syslog(LOG_ERR,"ERROR: hdfs error trying to delete the directory %sn",path);
- return -EIO;
- }
- return 0;
- }