標籤:mysql中提取出來的日誌
[[email protected] tmp]# cat logger.h #ifndef LOGGER_UTIL_INCLUDED#define LOGGER_UTIL_INCLUDED/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA*//** A trivial placeholder for inserting Time signatures into streams. @example cout << Datetime() << "[Info] Today was a sunny day" << endl;*/#include <ostream>#include <string>#include <sstream>using namespace std;struct Datetime {};ostream &operator<<(ostream &os, const Datetime &dt);class Gen_spaces{public: Gen_spaces(int s) { m_spaces.assign(s,‘ ‘); } ostream &operator<<(ostream &os) { return os; } friend ostream &operator<<(ostream &os, const Gen_spaces &gen);private: string m_spaces;};ostream &operator<<(ostream &os, const Gen_spaces &gen);class Log : public ostream{public: Log(ostream &str, string logclass) : ostream(NULL), m_buffer(str, logclass) { this->init(&m_buffer); } void enabled(bool s) { m_buffer.enabled(s); }private: class Log_buff : public stringbuf { public: Log_buff(ostream &str, string &logc) :m_os(str),m_logc(logc), m_enabled(true) {} void set_log_class(string &s) { m_logc= s; } void enabled(bool s) { m_enabled= s; } virtual int sync(); private: ostream &m_os; string m_logc; bool m_enabled; }; Log_buff m_buffer;};#endif /* LOGGER_UTIL_INCLUDED */[[email protected] tmp]# cat logger.cc /* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */#include "logger.h"#include <iostream>#include <locale>ostream &operator<<(ostream &os, const Datetime &dt){const char format[]= "%Y-%m-%d %X";time_t t(time(NULL));tm tm(*localtime(&t));std::locale loc(cout.getloc());ostringstream sout;const std::time_put<char> &tput =std::use_facet<std::time_put<char> >(loc);tput.put(sout.rdbuf(), sout, ‘\0‘, &tm, &format[0], &format[11]);os << sout.str() << " ";return os;}ostream &operator<<(ostream &os, const Gen_spaces &gen){return os << gen.m_spaces;}int Log::Log_buff::sync(){string sout(str());if (m_enabled && sout.length() > 0){m_os << Datetime() << "[" << m_logc << "]"<< Gen_spaces(8-m_logc.length()) << sout;}str("");m_os.flush();return 0;}[[email protected] tmp]# cat main.cpp #include <iostream>#include "logger.h"using namespace std;int main(void){cout << Datetime() << "[測試] 今天的天氣不錯!" << endl; return 0;}[[email protected] tmp]# g++ main.cpp logger.cc && ./a.out 2016-11-03 17:44:09 [測試] 今天的天氣不錯![[email protected] tmp]#
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MySQL中提取出來的日誌