02a5551ba3
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1363904 13f79535-47bb-0310-9956-ffa450edef68
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fuse_dfs.h"
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#include "fuse_impls.h"
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#include "fuse_trash.h"
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#include "fuse_connect.h"
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int dfs_rename(const char *from, const char *to)
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{
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struct hdfsConn *conn = NULL;
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hdfsFS fs;
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dfs_context *dfs = (dfs_context*)fuse_get_context()->private_data;
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int ret;
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TRACE1("rename", from)
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// check params and the context var
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assert(from);
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assert(to);
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assert(dfs);
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assert('/' == *from);
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assert('/' == *to);
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if (is_protected(from) || is_protected(to)) {
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ERROR("Could not rename %s to %s", from, to);
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return -EACCES;
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}
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if (dfs->read_only) {
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ERROR("HDFS configured read-only, cannot rename directory %s", from);
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return -EACCES;
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}
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ret = fuseConnectAsThreadUid(&conn);
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if (ret) {
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fprintf(stderr, "fuseConnectAsThreadUid: failed to open a libhdfs "
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"connection! error %d.\n", ret);
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ret = -EIO;
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goto cleanup;
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}
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fs = hdfsConnGetFs(conn);
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if (hdfsRename(fs, from, to)) {
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ERROR("Rename %s to %s failed", from, to);
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ret = (errno > 0) ? -errno : -EIO;
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goto cleanup;
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}
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ret = 0;
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cleanup:
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if (conn) {
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hdfsConnRelease(conn);
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}
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return ret;
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}
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