platform_system_core/logd/LogBufferElement.h

66 lines
2.0 KiB
C++

/*
* Copyright (C) 2012-2014 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_BUFFER_ELEMENT_H__
#define _LOGD_LOG_BUFFER_ELEMENT_H__
#include <stdatomic.h>
#include <sys/types.h>
#include <sysutils/SocketClient.h>
#include <log/log.h>
#include <log/log_read.h>
namespace android {
// Furnished in main.cpp. Caller must own and free returned value
// This function is designed for a single caller and is NOT thread-safe
char *uidToName(uid_t uid);
}
class LogBufferElement {
const log_id_t mLogId;
const uid_t mUid;
const pid_t mPid;
const pid_t mTid;
char *mMsg;
const unsigned short mMsgLen;
const uint64_t mSequence;
const log_time mRealTime;
static atomic_int_fast64_t sequence;
public:
LogBufferElement(log_id_t log_id, log_time realtime,
uid_t uid, pid_t pid, pid_t tid,
const char *msg, unsigned short len);
virtual ~LogBufferElement();
log_id_t getLogId() const { return mLogId; }
uid_t getUid(void) const { return mUid; }
pid_t getPid(void) const { return mPid; }
pid_t getTid(void) const { return mTid; }
unsigned short getMsgLen() const { return mMsgLen; }
uint64_t getSequence(void) const { return mSequence; }
static uint64_t getCurrentSequence(void) { return sequence.load(memory_order_relaxed); }
log_time getRealTime(void) const { return mRealTime; }
static const uint64_t FLUSH_ERROR;
uint64_t flushTo(SocketClient *writer);
};
#endif