1/* 2** 3** Copyright 2015, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#ifndef ANDROID_SERVICELOG_H 19#define ANDROID_SERVICELOG_H 20 21#include <utils/Errors.h> 22#include <utils/String8.h> 23#include <utils/threads.h> 24#include <utils/Vector.h> 25 26#include "media/RingBuffer.h" 27 28namespace android { 29 30class ServiceLog : public RefBase { 31public: 32 ServiceLog(); 33 explicit ServiceLog(size_t maxNum); 34 35 void add(const String8 &log); 36 String8 toString(const char *linePrefix = NULL) const; 37 38private: 39 size_t mMaxNum; 40 mutable Mutex mLock; 41 RingBuffer<String8> mLogs; 42 43 void addLine(const char *log, const char *prefix, String8 *result) const; 44}; 45 46// ---------------------------------------------------------------------------- 47 48}; // namespace android 49 50#endif // ANDROID_SERVICELOG_H 51