1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 #ifndef CTSAUDIO_LOG_H 18 #define CTSAUDIO_LOG_H 19 20 #include <stdio.h> 21 #include <iostream> 22 #include <fstream> 23 24 #include "FileUtil.h" 25 26 class Log: public FileUtil { 27 public: 28 enum LogLevel { 29 ELogV = 0, 30 ELogD = 1, 31 ELogI = 2, 32 ELogW = 3, 33 ELogE = 4 34 }; 35 36 static Log* Instance(const char* dirName = NULL); 37 static void Finalize(); 38 39 40 void printf(LogLevel level, const char* fmt, ...); 41 void setLogLevel(LogLevel level); 42 LogLevel getLogLevel() { 43 return mLogLevel; 44 }; 45 private: 46 Log(); 47 virtual ~Log(); 48 virtual bool init(const char* dirName); 49 50 private: 51 static Log* mInstance; 52 LogLevel mLogLevel; 53 }; 54 55 #define LOGE(x...) do { Log::Instance()->printf(Log::ELogE, x); \ 56 Log::Instance()->printf(Log::ELogE, " file %s line %d", __FILE__, __LINE__); } while(0) 57 #define LOGW(x...) do { Log::Instance()->printf(Log::ELogW, x); } while(0) 58 #define LOGI(x...) do { Log::Instance()->printf(Log::ELogI, x); } while(0) 59 #define LOGD(x...) do { Log::Instance()->printf(Log::ELogD, x); } while(0) 60 #define LOGV(x...) do { Log::Instance()->printf(Log::ELogV, x); } while(0) 61 62 #define MSG(x...) do { Log::Instance()->printf(Log::ELogW, x); } while(0) 63 64 #define ASSERT(cond) if(!(cond)) { Log::Instance()->printf(Log::ELogE, \ 65 "assertion failed %s %d", __FILE__, __LINE__); \ 66 Log::Finalize(); \ 67 *(char*)0 = 0; /* this will crash */}; 68 69 #endif // CTSAUDIO_LOG_H 70