78 lines
2.5 KiB
C++
78 lines
2.5 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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#pragma once
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#include <stdint.h>
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#include <time.h>
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#include <mutex>
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#include <string>
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#include <vector>
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#include "common/status.h"
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#include "gutil/ref_counted.h"
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#include "util/countdown_latch.h"
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#include "util/once.h"
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namespace doris {
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class TUniqueId;
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class ExecEnv;
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class Thread;
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// In every directory, '.trash' directory is used to save data need to delete
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// daemon thread is check no used directory to delete
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class LoadPathMgr {
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public:
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LoadPathMgr(ExecEnv* env);
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~LoadPathMgr() = default;
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Status init();
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void stop();
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Status allocate_dir(const std::string& db, const std::string& label, std::string* prefix);
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void get_load_data_path(std::vector<std::string>* data_paths);
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Status get_load_error_file_name(const std::string& db, const std::string& label,
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const TUniqueId& fragment_instance_id, std::string* error_path);
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std::string get_load_error_absolute_path(const std::string& file_path);
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const std::string& get_load_error_file_dir() const { return _error_log_dir; }
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private:
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bool is_too_old(time_t cur_time, const std::string& label_dir, int64_t reserve_hours);
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void clean_one_path(const std::string& path);
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void clean_error_log();
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void clean();
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void process_path(time_t now, const std::string& path, int64_t reserve_hours);
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ExecEnv* _exec_env = nullptr;
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std::mutex _lock;
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std::vector<std::string> _path_vec;
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int _idx;
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int _reserved_hours;
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std::string _error_log_dir;
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uint32_t _next_shard;
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uint32_t _error_path_next_shard;
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CountDownLatch _stop_background_threads_latch;
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scoped_refptr<Thread> _clean_thread;
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DorisCallOnce<Status> _init_once;
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};
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} // namespace doris
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