1a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu/*
2a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu**
3a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** Copyright 2015, The Android Open Source Project
4a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu**
5a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** Licensed under the Apache License, Version 2.0 (the "License");
6a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** you may not use this file except in compliance with the License.
7a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** You may obtain a copy of the License at
8a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu**
9a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu**     http://www.apache.org/licenses/LICENSE-2.0
10a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu**
11a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** Unless required by applicable law or agreed to in writing, software
12a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** distributed under the License is distributed on an "AS IS" BASIS,
13a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** See the License for the specific language governing permissions and
15a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu** limitations under the License.
16a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu*/
17a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
18a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#ifndef ANDROID_SERVICELOG_H
19a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#define ANDROID_SERVICELOG_H
20a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
21a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#include <utils/Errors.h>
22a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#include <utils/String8.h>
23a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#include <utils/threads.h>
24a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#include <utils/Vector.h>
25a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
26022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu#include "media/RingBuffer.h"
27022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu
28a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wunamespace android {
29a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
30a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wuclass ServiceLog : public RefBase {
31a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wupublic:
32a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu    ServiceLog();
33a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu    ServiceLog(size_t maxNum);
34a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
35a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu    void add(const String8 &log);
36022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu    String8 toString(const char *linePrefix = NULL) const;
37a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
38a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wuprivate:
39022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu    size_t mMaxNum;
40a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu    mutable Mutex mLock;
41022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu    RingBuffer<String8> mLogs;
42022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu
43022ed72e650f756288492ac7a10a7b41e0b14f82Ronghua Wu    void addLine(const char *log, const char *prefix, String8 *result) const;
44a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu};
45a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
46a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu// ----------------------------------------------------------------------------
47a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
48a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu}; // namespace android
49a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu
50a8ec8fcf6982ef158daf897faaab3e45285d0bf1Ronghua Wu#endif // ANDROID_SERVICELOG_H
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