/***************************************************************************	revision             : $Id: logfile.cpp,v 1.1.1.1 2005/10/04 10:50:23 wiz Exp $    copyright            : (C) 2005 by Simone Tellini    email                : tellini@users.sourceforge.net ***************************************************************************//*************************************************************************** *                                                                         * *   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; either version 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * ***************************************************************************/#include "main.h"#include "utils.h"#include "logfile.h"#include <algorithm>#include <cctype>#include <stdio.h>//---------------------------------------------------------------------------LogFile::LogFile( const string& host ){	Host          = host;	HostLowerCase = host;		transform( HostLowerCase.begin(), HostLowerCase.end(),			   HostLowerCase.begin(), static_cast<int(*)(int)>( tolower ));			time( &LastRotateTime );}//---------------------------------------------------------------------------LogFile::~LogFile(){	CloseLog();}//---------------------------------------------------------------------------void LogFile::CloseLog( void ){	if( Stream.is_open() ) {		Stream.flush();		Stream.close();	}}//---------------------------------------------------------------------------void LogFile::SetPeriod( const string& period ){	string::size_type	pos = period.find( ' ' );		if( pos != string::npos ) {		string unit = Utils::Trim( period.substr( pos + 1 ));		Period = atoi( period.substr( 0, pos ).c_str() );				if( unit == "days" )			Period *= 86400;		else if( unit == "hours" )			Period *= 3600;	} else		Period = atoi( period.c_str() ) * 3600;}//---------------------------------------------------------------------------void LogFile::Write( const string& line ){	if( !Stream.is_open() )		Stream.open( FileName.c_str(), ios::app );		Stream << line << endl;		time( &LastAccess );}//---------------------------------------------------------------------------void LogFile::CheckRotation( time_t now ){	if( now - LastRotateTime >= Period ) {		bool exists = Stream.is_open();		if( exists )			CloseLog();		else {			ifstream	fh( FileName.c_str() );						if( fh )				exists = true;							fh.close();		}		if( exists ) {			string oldFile = FileName + ".old";			unlink( oldFile.c_str() );			rename( FileName.c_str(), oldFile.c_str() );			if( !PostRotate.empty() )				PerformPostRotate( oldFile );		}				time( &LastRotateTime );		}}//---------------------------------------------------------------------------void LogFile::PerformPostRotate( const string& oldFile ){	if( fork() == 0 ) {		string				cmd = PostRotate;		string::size_type	pos = 0;				while(( pos = cmd.find( "%f", pos )) != string::npos )			cmd.replace( pos, 2, oldFile );		pos = 0;				while(( pos = cmd.find( "%h", pos )) != string::npos )			cmd.replace( pos, 2, Host );		execl( "/bin/sh", "sh", "-c", cmd.c_str(), NULL );		exit( 0 );	}}//---------------------------------------------------------------------------