platform_system_core/logd/LogKlog.h
Mark Salyzyn 151beac76d logd: klogd deal with nuls in dmesg
Switch to using string and length in all transactions, treating
trailing nuls the same as spaces.

ToDo: change dumpstate (bugreport) to use logcat -b printable _regardless_

Bug: 23517551
Change-Id: I42162365e6bf8ed79d356e7b689a673902116fdb
2015-09-29 15:51:38 -07:00

57 lines
1.9 KiB
C++

/*
* Copyright (C) 2014 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 _LOGD_LOG_KLOG_H__
#define _LOGD_LOG_KLOG_H__
#include <sysutils/SocketListener.h>
#include <log/log_read.h>
#include "LogReader.h"
char *log_strntok_r(char *s, size_t *len, char **saveptr, size_t *sublen);
class LogKlog : public SocketListener {
LogBuffer *logbuf;
LogReader *reader;
const log_time signature;
// Set once thread is started, separates KLOG_ACTION_READ_ALL
// and KLOG_ACTION_READ phases.
bool initialized;
// Used during each of the above phases to control logging.
bool enableLogging;
// set if we are also running auditd, to filter out audit reports from
// our copy of the kernel log
bool auditd;
static log_time correction;
public:
LogKlog(LogBuffer *buf, LogReader *reader, int fdWrite, int fdRead, bool auditd);
int log(const char *buf, size_t len);
void synchronize(const char *buf, size_t len);
static void convertMonotonicToReal(log_time &real) { real += correction; }
protected:
void sniffTime(log_time &now, const char **buf, size_t len, bool reverse);
pid_t sniffPid(const char *buf, size_t len);
void calculateCorrection(const log_time &monotonic,
const char *real_string, size_t len);
virtual bool onDataAvailable(SocketClient *cli);
};
#endif