unplugged-vendor/system/bt/mediatek/include/log_file_controller.h

116 lines
4.1 KiB
C++

/* Copyright Statement:
* *
* * This software/firmware and related documentation ("MediaTek Software") are
* * protected under relevant copyright laws. The information contained herein
* * is confidential and proprietary to MediaTek Inc. and/or its licensors.
* * Without the prior written permission of MediaTek inc. and/or its licensors,
* * any reproduction, modification, use or disclosure of MediaTek Software,
* * and information contained herein, in whole or in part, shall be strictly prohibited.
* *
* * MediaTek Inc. (C) 2016. All rights reserved.
* *
* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
* *
* * The following software/firmware and/or related documentation ("MediaTek Software")
* * have been modified by MediaTek Inc. All revisions are subject to any receiver's
* * applicable license agreements with MediaTek Inc.
* */
#pragma once
#if defined(MTK_STACK_CONFIG_LOG) && (MTK_STACK_CONFIG_LOG == TRUE)
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <base/files/file_path.h>
#include "log_writer.h"
namespace vendor {
namespace mediatek {
namespace bt {
namespace stack {
class LogStatistics;
class LogFileTreeManager;
class LogStatObserver {
public:
LogStatObserver() = default;
virtual ~LogStatObserver() = default;
virtual void Update(LogStatistics *stat) = 0;
};
class LogWriter;
class LogFileBackupHelper;
class LogFileKeeper : public LogStatObserver {
public:
explicit LogFileKeeper(LogFileTreeManager* file_tree_mgr);
virtual ~LogFileKeeper();
void Update(LogStatistics *stat) override;
// TODO(Peng): Sorry to apply software workaround, to remove it
bool MakeDir(const base::FilePath& dir);
bool StartLogging(const base::FilePath& dir);
bool AppendLogging(const base::FilePath& file_path);
ssize_t LogData(void *parcel, size_t length) const;
void StopLogging();
private:
void BackupLogFile(LogFileTreeManager* files_mgr);
LogFileTreeManager* file_tree_mgr_;
std::unique_ptr<LogWriter> log_writer_;
std::unique_ptr<LogFileBackupHelper> log_backup_helper_;
};
class LogFileCleanRunner;
class RecycleThreadImpl;
class LogFileClearner : public LogStatObserver {
public:
explicit LogFileClearner(LogFileTreeManager* file_tree_mgr,
int64_t bytes_to_be_cleaned);
~LogFileClearner();
void Update(LogStatistics *stat) override;
private:
void Recycle(LogStatistics *stat);
friend class LogFileCleanRunner;
LogFileTreeManager* file_tree_mgr_;
int64_t bytes_to_be_cleaned_;
std::unique_ptr<RecycleThreadImpl> thread_;
int cleaner_trigger_cnt_;
};
} // namespace stack
} // namespace bt
} // namespace mediatek
} // namespace vendor
#endif