platform_bootable_recovery/rotate_logs.h
Tianjie Xu e113e4d67f Cleanup the duplicates of logs rotation functions
Bug: 32067516
Test: Logs rotated successfully on angler, recovery-refresh/persist tests
passed on an a/b device.

Change-Id: Ie80adf0fa958ad3d7869d2d17f49489666b86c29
2016-11-03 18:16:33 -07:00

44 lines
1.4 KiB
C++

/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ROTATE_LOGS_H
#define _ROTATE_LOGS_H
#include <string>
#include <private/android_logger.h> /* private pmsg functions */
constexpr int KEEP_LOG_COUNT = 10;
ssize_t logbasename(log_id_t /* logId */,
char /* prio */,
const char *filename,
const char * /* buf */, size_t len,
void *arg);
ssize_t logrotate(
log_id_t logId,
char prio,
const char *filename,
const char *buf, size_t len,
void *arg);
// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max.
// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max.
// Overwrite any existing last_log.$max and last_kmsg.$max.
void rotate_logs(const char* last_log_file, const char* last_kmsg_file);
#endif //_ROTATE_LOG_H