1 /* 2 * Copyright (c) 2017, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef _LOCAL_LOG_BUFFER_H_ 30 #define _LOCAL_LOG_BUFFER_H_ 31 /* External Includes */ 32 #include <deque> 33 #include <sstream> 34 #include <string> 35 #include <sys/types.h> 36 #include <vector> 37 38 /* Namespace pollution avoidance */ 39 using ::std::deque; 40 using ::std::string; 41 using ::std::stringstream; 42 using ::std::vector; 43 44 45 class LocalLogBuffer { 46 public: 47 class FunctionLog { 48 public: 49 FunctionLog(string /* funcName */); 50 FunctionLog(const FunctionLog& /* other */); 51 void addArg(string /* kw */, string /* arg */); 52 void addArg(string /* kw */, vector<string> /* args */); 53 void addArg(string /* kw */, uint64_t /* arg */); 54 void setResult(bool /* success */, string /* msg */); 55 void setResult(vector<unsigned int> /* ret */); 56 void setResult(uint64_t /* rx */, uint64_t /* tx */); 57 string toString(); 58 private: 59 void maybeAddArgsComma(); 60 const string mName; 61 bool mArgsProvided; 62 stringstream mSSArgs; 63 stringstream mSSReturn; 64 }; /* FunctionLog */ 65 LocalLogBuffer(string /* name */, int /* maxLogs */); 66 void addLog(FunctionLog /* log */); 67 void toLogcat(); 68 void toFd(int fd); 69 private: 70 deque<FunctionLog> mLogs; 71 const string mName; 72 const size_t mMaxLogs; 73 }; /* LocalLogBuffer */ 74 #endif /* _LOCAL_LOG_BUFFER_H_ */ 75