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1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <list>
20 #include <memory>
21 #include <vector>
22 
23 #include "LogBuffer.h"
24 #include "LogReaderThread.h"
25 #include "LogdLock.h"
26 
27 class LogReaderList {
28   public:
29     void NotifyNewLog(LogMask log_mask) const REQUIRES(logd_lock);
30 
31     void AddAndRunThread(std::unique_ptr<LogReaderThread> thread) REQUIRES(logd_lock);
32     void RemoveRunningThread(LogReaderThread* thread) REQUIRES(logd_lock);
33     void AddPendingThread(std::unique_ptr<LogReaderThread> thread) REQUIRES(logd_lock);
34     bool HandlePendingThread(uid_t uid, gid_t gid, pid_t pid, int32_t fd, bool approve);
35     bool ReleaseThreadByName(const std::string& cli_name) REQUIRES(logd_lock);
36 
running_reader_threads()37     const std::list<std::unique_ptr<LogReaderThread>>& running_reader_threads() const
38             REQUIRES(logd_lock) {
39         return running_reader_threads_;
40     }
41 
42   private:
43     std::list<std::unique_ptr<LogReaderThread>> running_reader_threads_ GUARDED_BY(logd_lock);
44     std::vector<std::unique_ptr<LogReaderThread>> pending_reader_threads_ GUARDED_BY(logd_lock);
45 };
46