/* * Copyright (c) 2017, The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of The Linux Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #define LOG_TAG "IPAHALService/dump" /* External Includes */ #include <cutils/log.h> #include <deque> #include <string> #include <sys/types.h> #include <unistd.h> #include <vector> /* Internal Includes */ #include "LocalLogBuffer.h" /* Namespace pollution avoidance */ using ::std::deque; using ::std::string; using ::std::vector; LocalLogBuffer::FunctionLog::FunctionLog(string funcName) : mName(funcName) { mArgsProvided = false; } /* FunctionLog */ LocalLogBuffer::FunctionLog::FunctionLog(const FunctionLog& other) : mName(other.mName) { mArgsProvided = other.mArgsProvided; /* Is this right? How do you copy stringstreams without wizardry? */ mSSArgs.str(other.mSSArgs.str()); mSSReturn.str(other.mSSReturn.str()); } /* FunctionLog */ void LocalLogBuffer::FunctionLog::addArg(string kw, string arg) { maybeAddArgsComma(); mSSArgs << kw << "=" << arg; } /* addArg */ void LocalLogBuffer::FunctionLog::addArg(string kw, vector<string> args) { maybeAddArgsComma(); mSSArgs << kw << "=["; for (size_t i = 0; i < args.size(); i++) { mSSArgs << args[i]; if (i < (args.size() - 1)) mSSArgs << ", "; } mSSArgs << "]"; } /* addArg */ void LocalLogBuffer::FunctionLog::addArg(string kw, uint64_t arg) { maybeAddArgsComma(); mSSArgs << kw << "=" << arg; } /* addArg */ void LocalLogBuffer::FunctionLog::maybeAddArgsComma() { if (!mArgsProvided) { mArgsProvided = true; } else { mSSArgs << ", "; } } /* maybeAddArgsComma */ void LocalLogBuffer::FunctionLog::setResult(bool success, string msg) { mSSReturn << "[" << ((success) ? "success" : "failure") << ", " << msg << "]"; } /* setResult */ void LocalLogBuffer::FunctionLog::setResult(vector<unsigned int> ret) { mSSReturn << "["; for (size_t i = 0; i < ret.size(); i++) { mSSReturn << ret[i]; if (i < (ret.size() - 1)) mSSReturn << ", "; } mSSReturn << "]"; } /* setResult */ void LocalLogBuffer::FunctionLog::setResult(uint64_t rx, uint64_t tx) { mSSReturn << "[rx=" << rx << ", tx=" << tx << "]"; } /* setResult */ string LocalLogBuffer::FunctionLog::toString() { stringstream ret; ret << mName << "(" << mSSArgs.str() << ") returned " << mSSReturn.str(); return ret.str(); } /* toString */ LocalLogBuffer::LocalLogBuffer(string name, int maxLogs) : mName(name), mMaxLogs(maxLogs) { } /* LocalLogBuffer */ void LocalLogBuffer::addLog(FunctionLog log) { while (mLogs.size() > mMaxLogs) mLogs.pop_front(); mLogs.push_back(log); } /* addLog */ void LocalLogBuffer::toLogcat() { for (size_t i = 0; i < mLogs.size(); i++) ALOGD("%s: %s", mName.c_str(), mLogs[i].toString().c_str()); } /* toLogcat */ void LocalLogBuffer::toFd(int fd) { for (size_t i = 0; i < mLogs.size(); i++) { string line = mName + " " + mLogs[i].toString(); write(fd, line.c_str(), line.size()); write(fd, "\n", 1); } } /* toFd */