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/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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; either version 2 of the License, or any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "logger.h"
#include <ctime>
#include <iomanip>
#include <iostream>
#ifdef WIN32
#include <windows.h>
#endif
namespace tmwserv
{
namespace utils
{
/**
* Default constructor.
*/
Logger::Logger(void)
throw()
: mHasTimestamp(true),
mTeeMode(false),
mVerbosity(0)
{
// NOOP
}
/**
* Destructor.
*/
Logger::~Logger(void)
throw()
{
// the destructor of std::ofstream takes care of closing the file
// if it is still open :)
}
/**
* Set the log file.
*/
void
Logger::setLogFile(const std::string& logFile)
{
// close the current log file.
if (mLogFile.is_open()) {
mLogFile.close();
}
// open the file for output and remove the former file contents.
mLogFile.open(logFile.c_str(), std::ios::trunc);
if (!mLogFile.is_open()) {
std::string msg("unable to open ");
msg += logFile;
msg += " for writing.";
throw std::ios::failure(msg);
}
else {
// by default the streams do not throw any exception
// let std::ios::failbit and std::ios::badbit throw exceptions.
mLogFile.exceptions(std::ios::failbit | std::ios::badbit);
}
}
/**
* Add/remove the timestamp.
*/
void
Logger::setTimestamp(bool flag)
throw()
{
mHasTimestamp = flag;
}
/**
* Set tee mode.
*/
void
Logger::setTeeMode(bool flag)
throw()
{
mTeeMode = flag;
}
/**
* Log a generic message.
*/
void
Logger::log(const std::string& msg, unsigned short atVerbosity)
{
if ( mVerbosity >= atVerbosity )
{
if (mTeeMode) {
log(std::cout, msg);
if (mLogFile.is_open()) {
log(mLogFile, msg);
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cout), msg);
}
}
}
/**
* Log a debug message.
*/
void
Logger::debug(const std::string& msg, unsigned short atVerbosity)
{
if ( mVerbosity >= atVerbosity )
{
if (mTeeMode) {
log(std::cout, msg, "[DBG]");
if (mLogFile.is_open()) {
log(mLogFile, msg, "[DBG]");
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cout), msg, "[DBG]");
}
}
}
/**
* Log an info message.
*/
void
Logger::info(const std::string& msg, unsigned short atVerbosity)
{
if ( mVerbosity >= atVerbosity )
{
if (mTeeMode) {
log(std::cout, msg, "[INF]");
if (mLogFile.is_open()) {
log(mLogFile, msg, "[INF]");
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cout), msg, "[INF]");
}
}
}
/**
* Log a warn message.
*/
void
Logger::warn(const std::string& msg, unsigned short atVerbosity)
{
if ( mVerbosity >= atVerbosity )
{
if (mTeeMode) {
log(std::cerr, msg, "[WRN]");
if (mLogFile.is_open()) {
log(mLogFile, msg, "[WRN]");
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cerr), msg, "[WRN]");
}
}
}
/**
* Log an error message.
*/
void
Logger::error(const std::string& msg, unsigned short atVerbosity)
{
if ( mVerbosity >= atVerbosity )
{
if (mTeeMode) {
log(std::cerr, msg, "[ERR]");
if (mLogFile.is_open()) {
log(mLogFile, msg, "[ERR]");
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cerr), msg, "[ERR]");
}
}
}
/**
* Log a fatal error message.
*/
void
Logger::fatal(const std::string& msg, unsigned short atVerbosity)
{
if (mTeeMode) {
log(std::cerr, msg, "[FTL]");
if (mLogFile.is_open()) {
log(mLogFile, msg, "[FTL]");
}
}
else {
log((mLogFile.is_open() ? mLogFile : std::cerr), msg, "[FTL]");
}
}
/**
* Log a generic message.
*/
void
Logger::log(std::ostream& os,
const std::string& msg,
const std::string& prefix)
{
if (mHasTimestamp) {
os << getCurrentTime() << " ";
}
if (prefix != "") {
os << prefix << " ";
}
os << msg << std::endl;
}
/**
* Get the current time.
*/
std::string
Logger::getCurrentTime(void)
{
time_t now;
tm local;
// get current time_t value
time(&now);
// convert time_t to tm struct to break the time into individual
// constituents
local = *(localtime(&now));
// stringify the time, the format is: [hh:mm:ss]
using namespace std;
ostringstream os;
os << "[" << setw(2) << setfill('0') << local.tm_hour
<< ":" << setw(2) << setfill('0') << local.tm_min
<< ":" << setw(2) << setfill('0') << local.tm_sec
<< "]";
return os.str();
}
} // namespace utils
} // namespace tmwserv
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