LogBufferInterface.h revision c4e4823b00a94627e922eada1172688818471b0c 
1/*
2 * Copyright (C) 2012-2014 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#ifndef _LOGD_LOG_BUFFER_INTERFACE_H__
18#define _LOGD_LOG_BUFFER_INTERFACE_H__
19
20#include <sys/types.h>
21
22#include <android-base/macros.h>
23#include <log/log_id.h>
24#include <log/log_time.h>
25
26// Abstract interface that handles log when log available.
27class LogBufferInterface {
28   public:
29    LogBufferInterface();
30    virtual ~LogBufferInterface();
31    // Handles a log entry when available in LogListener.
32    // Returns the size of the handled log message.
33    virtual int log(log_id_t log_id, log_time realtime, uid_t uid, pid_t pid,
34                    pid_t tid, const char* msg, unsigned short len) = 0;
35
36    virtual uid_t pidToUid(pid_t pid);
37    virtual pid_t tidToPid(pid_t tid);
38
39   private:
40    DISALLOW_COPY_AND_ASSIGN(LogBufferInterface);
41};
42
43#endif  // _LOGD_LOG_BUFFER_INTERFACE_H__
44