66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "util/hdfs_util.h"
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#include <ostream>
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#include "common/logging.h"
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#include "io/fs/err_utils.h"
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#include "io/hdfs_builder.h"
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namespace doris {
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namespace io {
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HDFSHandle& HDFSHandle::instance() {
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static HDFSHandle hdfs_handle;
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return hdfs_handle;
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}
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hdfsFS HDFSHandle::create_hdfs_fs(HDFSCommonBuilder& hdfs_builder) {
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hdfsFS hdfs_fs = hdfsBuilderConnect(hdfs_builder.get());
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if (hdfs_fs == nullptr) {
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LOG(WARNING) << "connect to hdfs failed."
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<< ", error: " << hdfs_error();
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return nullptr;
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}
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return hdfs_fs;
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}
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Path convert_path(const Path& path, const std::string& namenode) {
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std::string fs_path;
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if (path.native().starts_with(namenode)) {
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// `path` is URI format, remove the namenode part in `path`
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fs_path = path.native().substr(namenode.size());
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} else {
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fs_path = path;
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}
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// Always use absolute path (start with '/') in hdfs
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if (fs_path.empty() || fs_path[0] != '/') {
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fs_path.insert(fs_path.begin(), '/');
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}
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return fs_path;
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}
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bool is_hdfs(const std::string& path_or_fs) {
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return path_or_fs.rfind("hdfs://") == 0;
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}
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} // namespace io
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} // namespace doris
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