void KUser::FlushLoginUser()
{
	if(conf.user_time_out<=0)
		return;
	int now_time=time(NULL);
	KUser_int_map::iterator it;
	m_lock.Lock();
	for(it=m_user.begin();it!=m_user.end();){
		if(now_time-(*it).second.last_active_time>conf.user_time_out){
	#ifndef _WIN32
			(*it).second.user->state=0;
			m_user.erase(it);
			it++;
	#else
			it=m_user.erase(it);
	#endif
		}else{
			it++;
		}
	}
	m_lock.Unlock();
}
bool KUser::ForceLogout(const char *user,bool use_lock)
{
	KUser_int_map::iterator it;
	if(use_lock)
		m_lock.Lock();
	for(it=m_user.begin();it!=m_user.end();it++){
		if((*it).second.user->user==user){
			(*it).second.user->state=0;
			klog(RUN_LOG,"Force logou user %s success\n",(*it).second.user->user.c_str());
			m_user.erase(it);
			m_lock.Unlock();
			return true;
		}
	}
	if(use_lock)
		m_lock.Unlock();
	return false;
}
int KUser::Logout(unsigned long ip)
{
	unsigned stay_time=0;
	KUser_int_map::iterator it;
	m_lock.Lock();
	it=m_user.find(ip);
	if(it==m_user.end()){
		m_lock.Unlock();
		return stay_time;
	}
	stay_time=time(NULL)-(*it).second.login_time;
	//m_user.total_time+=stay_time;
	(*it).second.user->total_time+=stay_time;
	(*it).second.user->state=0;//set the user logout
	klog(RUN_LOG,"user %s logout success\n",(*it).second.user->user.c_str());
	m_user.erase(it);
	m_lock.Unlock();	
	return stay_time;
}