127 lines
3 KiB
C++
127 lines
3 KiB
C++
/*
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* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Log.h"
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#include <cstdio>
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#include <cstdlib>
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#include <cstdarg>
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#include <ctime>
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#include <cassert>
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static std::string m_path;
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static std::string m_root;
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static FILE* m_fpLog = NULL;
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static bool m_display = true;
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static unsigned int m_level = 2U;
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static struct tm m_tm;
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static char LEVELS[] = " DMIWEF";
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static bool LogOpen()
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{
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time_t now;
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::time(&now);
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struct tm* tm = ::gmtime(&now);
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if (tm->tm_mday == m_tm.tm_mday && tm->tm_mon == m_tm.tm_mon && tm->tm_year == m_tm.tm_year) {
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if (m_fpLog != NULL)
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return true;
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} else {
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if (m_fpLog != NULL)
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::fclose(m_fpLog);
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}
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char filename[50U];
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#if defined(_WIN32) || defined(_WIN64)
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::sprintf(filename, "%s\\%s-%04d-%02d-%02d.log", m_path.c_str(), m_root.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
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#else
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::sprintf(filename, "%s/%s-%04d-%02d-%02d.log", m_path.c_str(), m_root.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
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#endif
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m_fpLog = ::fopen(filename, "a+t");
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m_tm = *tm;
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return m_fpLog != NULL;
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}
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bool LogInitialise(const std::string& path, const std::string& root, bool display)
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{
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m_path = path;
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m_root = root;
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m_display = display;
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return ::LogOpen();
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}
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void LogFinalise()
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{
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if (m_fpLog != NULL)
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::fclose(m_fpLog);
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}
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void LogSetLevel(unsigned int level)
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{
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m_level = level;
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}
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void Log(unsigned int level, const char* fmt, ...)
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{
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assert(level < 7U);
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assert(fmt != NULL);
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if (level < m_level)
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return;
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bool ret = ::LogOpen();
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if (!ret)
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return;
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time_t now;
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::time(&now);
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struct tm* tm = ::gmtime(&now);
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::fprintf(m_fpLog, "%c: %04d-%02d-%02d %02d:%02d:%02d ", LEVELS[level], tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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if (m_display)
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::fprintf(stdout, "%c: %04d-%02d-%02d %02d:%02d:%02d ", LEVELS[level], tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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va_list vl;
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va_start(vl, fmt);
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vfprintf(m_fpLog, fmt, vl);
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if (m_display)
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vfprintf(stdout, fmt, vl);
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va_end(vl);
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::fprintf(m_fpLog, "\n");
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::fflush(m_fpLog);
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if (m_display) {
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::fprintf(stdout, "\n");
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::fflush(stdout);
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}
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if (level == 6U) { // Fatal
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::fclose(m_fpLog);
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exit(1);
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}
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}
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