AlarmHandler.cpp

//		sprintf(buf, "%02X-", buf2[j]);//change here the format of saved data
//	string pro = a.name+"\t"+"$"+a.formula+"$"+"\t"+"\""+a.msg+"\""+"\t"+num.str();
	//DEBUG_STREAM << "AlarmHandler::add_to_database(): a.name=" << a.name << " a.formula=" << a.formula << " a.lev=" << a.lev << " a.grp=" << a.grp2str() << " a.msg=" << a.msg << endl;
	string pro = a.name+"\t"+a.formula+"\t"+string(a.time_threshold)+"\t"+ a.lev+"\t"+a.grp2str()+"\t"+"\""+a.msg+"\""+"\t"+a.cmd_name+"\t";	//grp has been transformed to string
	DEBUG_STREAM << "AlarmHandler::add_to_database(): adding to database property=" << pro << endl;
	property << pro;			
	db_data.push_back(property);
	try {
		get_db_device()->put_attribute_property(db_data);
	} catch (...) {
		ostringstream o;
		o << "AlarmHandler::add_to_database(): put_device_attribute_property()" \
			<< " failed" << ends;
		ERROR_STREAM << o.str() << endl;
		throw o.str();
	}
}*/

void AlarmHandler::set_internal_alarm(string name, Tango::TimeVal t, string msg, unsigned int count)
{
	alarm_t alm;
	bool existing=false;
	ostringstream o;
	//o << (internal.size() + 1);
	if(internal.size() == 0)
		internal_counter = 0;
	o << internal_counter;
	internallock->writerIn();
	vector<alarm_t>::iterator it;
	for(it = internal.begin(); it != internal.end(); it++)
	{
		if(name == INTERNAL_ERROR)
		{
			if(it->msg == msg)
			{
				existing=true;
				break;
			}
		}
		else										//for tango error log only one internal error per event
		{
			if(it->msg.find(name) != string::npos)		
			{
				existing=true;
				if(it->on_counter < count)
					it->on_counter = count;
				break;
			}
		}			
	}
	if(existing) 
	{
		/*size_t index;
		int count;
		index = it->stat.find("*");
		ostringstream temp;
		if((index != std::string::npos) && (index+1 != std::string::npos))
		{
			
			size_t last = it->stat.size();
			string str_count= it->stat.substr(index+1, last - index+1);      
			count = strtol(str_count.c_str(), 0,10);
			count++;  
			temp << it->stat.substr(0,index+1) << count;
			it->stat = temp.str();
		}	
		else
			it->stat += "*2";*/
		it->on_counter++;
		it->msg = msg;		//update with the last message
	}
	else
	{	
		alm.name = string(INTERNAL_ERROR) + "_" + o.str();
		internal_counter++;
		alm.ts = t;
		/*ostringstream stat;
		if(count==0)
			stat << S_ALARM;
		else
			stat << S_ALARM << "*" << count;*/
		alm.on_counter = count;
		//alm.stat = stat.str();
		alm.stat = S_ALARM;
		alm.ack = NOT_ACK;
		alm.done = false;
		alm.msg = msg;
		//alm.grp = GR_DEFAULT;
		if(!alm.grp_str.empty())
			alm.grp = (alm.grp_str.begin())->second;		//set groupe 'none' to internal alarms
		else
			alm.grp = GR_DEFAULT;
		//alm.lev = LEV_DEFAULT;	
		alm.lev = LEV_LOG;	
		internal.push_back(alm);
	}
	internallock->writerOut();
}

//==============================================================
//------------------- AST evaluation methods -------------------
//==============================================================
formula_res_t AlarmHandler::eval_formula(tree_parse_info_t tree, string &attr_values)
{
    return eval_expression(tree.trees.begin(), attr_values);
}

formula_res_t AlarmHandler::eval_expression(iter_t const& i, string &attr_values, int ev_ind) //throw (string &), std::out_of_range
{

    ostringstream err;
    err << "Evaluating formula: ";    
    //iter_t it = i->children.begin();

    if (i->value.id() == formula_grammar::val_rID)
    {
        if(i->children.size() != 0)
        {
        	err <<  "in node val_rID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
        string val_d(i->value.begin(), i->value.end());
		formula_res_t res;
		res.value = strtod(val_d.c_str(), 0);
		DEBUG_STREAM << "		node value real = " << val_d << "(value="<<res.value<<" quality="<<res.quality<<")" << endl;
        return res;
    }
    else if (i->value.id() == formula_grammar::val_hID)
    {
        if(i->children.size() != 0)
        {
        	err <<  "in node val_hID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }        		
        string val_d(i->value.begin(), i->value.end());
		DEBUG_STREAM << "		node value hex = " << val_d << endl;
		formula_res_t res;
		res.value = strtod(val_d.c_str(), 0);
        return res;
    } 
    else if (i->value.id() == formula_grammar::val_stID)
    {
        if(i->children.size() != 0)
        {
        	err <<  "in node val_stID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }     		
        string val_st(i->value.begin(), i->value.end());
        double st =  i->value.value();			//get value directly from node saved with access_node_d
		DEBUG_STREAM << "		node value state : " << val_st << "=" << st << endl;
		formula_res_t res;
		res.value = st;
        return res;
    }
    else if (i->value.id() == formula_grammar::val_alarm_enum_stID)
    {
        if(i->children.size() != 0)
        {
        	err <<  "in node val_alarm_enum_stID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str();
        }
        string val_st(i->value.begin(), i->value.end());
        double st =  i->value.value();			//get value directly from node saved with access_node_d
		DEBUG_STREAM << "		node value alarm enum state : " << val_st << "=" << st << endl;
		formula_res_t res;
		res.value = st;
        return res;
    }
	else if (i->value.id() == formula_grammar::val_qualityID)
	{
		if(i->children.size() != 0)
		{
			err <<  "in node val_qualityID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
			throw err.str();
		}
		string val_quality(i->value.begin(), i->value.end());

		double quality =  i->value.value();			//get value directly from node saved with access_node_d
		DEBUG_STREAM << "		node value quality : " << val_quality << "=" << quality << endl;
		formula_res_t res;
		res.value = quality;
        return res;
	}
    else if (i->value.id() == formula_grammar::unary_exprID)
    {
		DEBUG_STREAM << "		node unary expression: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 1)
        {
        	err <<  "in node unary_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
		formula_res_t res;
		res = eval_expression(i->children.begin(), attr_values);
        if (*i->value.begin() == '+')
        {
        	res.value = + res.value;
        }
        else if (*i->value.begin() == '-')
        {
        	res.value = - res.value;
        }
        else if (*i->value.begin() == '!')
        {
        	res.value = ! res.value;
        }
        else
        {
        	err <<  "in node unary_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str();
        }
        return res;
    }
    else if (i->value.id() == formula_grammar::mult_exprID)
    {
		DEBUG_STREAM << "		node mult expression: " << string(i->value.begin(), i->value.end()) << endl;
       	if(i->children.size() != 2)
        {
        	err <<  "in node mult_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
        if (*i->value.begin() == '*')
        {
            return eval_expression(i->children.begin(), attr_values) *
                eval_expression(i->children.begin()+1, attr_values);
        }
        else if (*i->value.begin() == '/')
        {
            return eval_expression(i->children.begin(), attr_values) /
                eval_expression(i->children.begin()+1, attr_values);
        }
        else
        {
        	err <<  "in node mult_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }
    }
    else if (i->value.id() == formula_grammar::add_exprID)
    {
        DEBUG_STREAM << "		node add expression: " << string(i->value.begin(), i->value.end()) << endl;
        if(i->children.size() != 2)
        {
        	err <<  "in node add_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
        if (*i->value.begin() == '+')
        {
            return eval_expression(i->children.begin(), attr_values) +
                eval_expression(i->children.begin()+1, attr_values);
        }
        else if (*i->value.begin() == '-')
        {
            return eval_expression(i->children.begin(), attr_values) -
                eval_expression(i->children.begin()+1, attr_values);
        }
        else
        {
        	err <<  "in node add_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }
    }
    else if (i->value.id() == formula_grammar::event_ID)
    {
		DEBUG_STREAM << "		node event" << string(i->value.begin(), i->value.end()) << endl;
		formula_res_t ind;
		if(i->children.size() != 2)		
		{
        	err <<  "in node event_ID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;;
        	throw err.str(); 
        }
		if((i->children.begin()+1)->value.id() == formula_grammar::indexID)
			ind = eval_expression(i->children.begin()+1, attr_values);		//array index
		else if((i->children.begin()+1)->value.id() == formula_grammar::propertyID)
		{
			if(string((i->children.begin()+1)->value.begin(), (i->children.begin()+1)->value.end()) == ".quality")
			{
				formula_res_t res = eval_expression(i->children.begin(), attr_values, (int)ind.value);
				res.value = res.quality;
				DEBUG_STREAM << "		node event.quality -> " << res.value << endl;
				return res;
			}
			else if(string((i->children.begin()+1)->value.begin(), (i->children.begin()+1)->value.end()) == ".alarm")
			{
				formula_res_t res = eval_expression(i->children.begin(), attr_values, (int)ind.value);
				res.value = (res.value == _UNACK) || (res.value == _ACKED);
				DEBUG_STREAM << "		node event.alarm -> " << res.value << endl;
				return res;
			}
			else if(string((i->children.begin()+1)->value.begin(), (i->children.begin()+1)->value.end()) == ".normal")
			{
				formula_res_t res = eval_expression(i->children.begin(), attr_values, (int)ind.value);
				res.value = (res.value == _NORM) || (res.value == _RTNUN);
				DEBUG_STREAM << "		node event.normal -> " << res.value << endl;
				return res;
			}
		}
		else
		{
        	err <<  "in node event_ID(" << string(i->value.begin(), i->value.end()) << ") children2 is not an index ->" << string((i->children.begin()+1)->value.begin(), (i->children.begin()+1)->value.end()) << ends;;
        	throw err.str(); 
        }
		return eval_expression(i->children.begin(), attr_values, (int)ind.value);
    }    
    else if (i->value.id() == formula_grammar::nameID)
    {
		if(i->children.size() != 0)		
		{
        	err <<  "in node nameID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }		
        vector<event>::iterator it = events->v_event.begin();
        string s(i->value.begin(), i->value.end());
        std::transform(s.begin(), s.end(), s.begin(), (int(*)(int))tolower);		//transform to lowercase
        while ((it != events->v_event.end()) && (it->name != s))
				it++;
		if (it != events->v_event.end())
		{
			if(!it->valid)
			{
				err <<  "in node nameID(" << string(i->value.begin(), i->value.end()) << ") value not valid!" << ends;
        		throw err.str();
        	}	
			else if(it->type != Tango::DEV_STRING && it->value.empty())
			{
				err <<  "in node nameID(" << string(i->value.begin(), i->value.end()) << ") value not initialized!!" << ends;
        		throw err.str();
        	}        	
			ostringstream temp_attr_val;
			temp_attr_val << it->name << "[" << ev_ind << "]=" <<it->value.at(ev_ind) << ";";
			attr_values += temp_attr_val.str();
			formula_res_t res;
			res.quality = it->quality;
			res.ex_reason = it->ex_reason;
			res.ex_desc = it->ex_desc;
			res.ex_origin = it->ex_origin;
			DEBUG_STREAM << "		node name -> " << temp_attr_val.str() << " quality=" << res.quality << endl;
			res.value = it->value.at(ev_ind);		//throw  std::out_of_range
			return 	res;
		}
		else
		{
			err <<  "in event: (" << string(i->value.begin(), i->value.end()) << ") not found in event table" << ends;
        	throw err.str();		
		}  
    } 
    else if (i->value.id() == formula_grammar::indexID)
    {
		if(i->children.size() != 0)		
		{
        	err <<  "in node indexID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }			
        string val_d(i->value.begin(), i->value.end());
     	DEBUG_STREAM << "		node index = " << val_d << endl;
     	formula_res_t res;
     	res.value = strtod(val_d.c_str(), 0);
        return res;
    }   
    else if (i->value.id() == formula_grammar::logical_exprID)
    {
		DEBUG_STREAM << "		node logical expression: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 2)		
		{
        	err <<  "in node logical_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }	        		 
		if (string(i->value.begin(), i->value.end()) == string("&&"))
        {
            return eval_expression(i->children.begin(), attr_values) &&
                eval_expression(i->children.begin()+1, attr_values);
        }
		else if (string(i->value.begin(), i->value.end()) == string("||"))
        {
            return eval_expression(i->children.begin(), attr_values) ||
                eval_expression(i->children.begin()+1, attr_values);
        }             
        else
        {
        	err <<  "in node logical_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }		  
    }   
    else if (i->value.id() == formula_grammar::bitwise_exprID)
    {
		DEBUG_STREAM << "		node bitwise expression: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 2)		
		{
        	err <<  "in node bitwise_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }	 		
		formula_res_t res_1=eval_expression(i->children.begin(), attr_values),
           	res_2=eval_expression(i->children.begin()+1, attr_values);
        long val_l1,val_l2;
            
    	string err2("ERROR: non-int value in bitwise operation!");
    	val_l1 = (long)trunc(res_1.value);		//transform to long
    	val_l2 = (long)trunc(res_2.value);		//transform to long

	    if((val_l1 != res_1.value) || (val_l2 != res_2.value))	//if different, lost something with truncf
    		throw err2;
    		  
        if (*i->value.begin() == '&')
        {
        	formula_res_t res;
        	res.value = (double)(val_l1 & val_l2);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
        }
        else if (*i->value.begin() == '|')
        {      
        	formula_res_t res;
        	res.value = (double)(val_l1 | val_l2);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
        }  
        else if (*i->value.begin() == '^')
        {
        	formula_res_t res;
        	res.value = (double)(val_l1 ^ val_l2);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
        }  
        else
        {
        	err << "in node bitwise_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }			   
    }   
    else if (i->value.id() == formula_grammar::shift_exprID)
    {
		DEBUG_STREAM << "		node shift expression: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 2)		
		{
        	err <<  "in node shift_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }			
		formula_res_t res_1=eval_expression(i->children.begin(), attr_values),
           	res_2=eval_expression(i->children.begin()+1, attr_values);
        long val_l1,val_l2;
            
    	string err2("ERROR: non-int value in bitwise operation!");
    	val_l1 = (long)trunc(res_1.value);		//transform to long
    	val_l2 = (long)trunc(res_2.value);		//transform to long

	    if((val_l1 != res_1.value) || (val_l2 != res_2.value))	//if different, lost something with truncf
    		throw err2;
    		  
        if (string(i->value.begin(), i->value.end()) == string("<<"))
        {
        	formula_res_t res;
        	res.value = (double)(val_l1 << val_l2);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
        }
        else if (string(i->value.begin(), i->value.end()) == string(">>"))
        {
        	formula_res_t res;
        	res.value = (double)(val_l1 >> val_l2);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
        }  
        else
        {
        	err <<  "in node shift_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }		   
    }      
    else if (i->value.id() == formula_grammar::equality_exprID)
    {
		DEBUG_STREAM << "		node equality expression: " << string(i->value.begin(), i->value.end()) << endl;
        if(i->children.size() != 2)		
		{
        	err <<  "in node equality_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }


		//string comparison here
		iter_t const& i2_1 = i->children.begin();
		iter_t const& i2_2 = i->children.begin()+1;
		//OK only attr == 'string' or attr != 'string'
		if(i2_1->value.id() == formula_grammar::nameID && i2_2->value.id() == formula_grammar::val_stringID)
		{
			if(i2_1->children.size() == 0 && i2_2->children.size() == 0)
			{
				//retrieve string from attribute:
				string attr_val = "";
				string name_id(i2_1->value.begin(), i2_1->value.end());
				std::transform(name_id.begin(), name_id.end(), name_id.begin(), (int(*)(int))tolower);		//transform to lowercase
				formula_res_t res;
				vector<event>::iterator it = events->v_event.begin();

				while ((it != events->v_event.end()) && (it->name != name_id))
						it++;
				if (it != events->v_event.end())
				{
					if(!it->valid)
					{
						err <<  "in node equality_exprID -> nameID(" << string(i2_1->value.begin(), i2_1->value.end()) << ") value not valid!" << ends;
						throw err.str();
					}
					else if(it->type != Tango::DEV_STRING && it->value.empty())
					{
						err <<  "in node nameID(" << string(i2_1->value.begin(), i2_1->value.end()) << ") value not initialized!!" << ends;
						throw err.str();
					}
					ostringstream temp_attr_val;
					temp_attr_val << it->name << "=" <<it->value_string << ";";
					attr_values += temp_attr_val.str();
					res.quality = it->quality;
					res.ex_reason = it->ex_reason;
					res.ex_desc = it->ex_desc;
					res.ex_origin = it->ex_origin;
					DEBUG_STREAM << "		node name -> " << temp_attr_val.str() << " quality=" << res.quality << endl;
					attr_val =  string("'") + it->value_string + string("'");
				}
				else
				{
					err <<  "in event: (" << string(i->value.begin(), i->value.end()) << ") not found in event table" << ends;
					throw err.str();
				}

				//retrieve string from formula
				string val_string(i2_2->value.begin(), i2_2->value.end());

				if (string(i->value.begin(), i->value.end()) == string("!="))
				{
					res.value = attr_val != val_string;
					return res;
				}
				else if (string(i->value.begin(), i->value.end()) == string("=="))
				{
					res.value = attr_val == val_string;
					return res;
				}
				else
				{
					err <<  "in node equality_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed (val_stringID)" << ends;
					throw err.str();
				}
			}
		}
		else
		{
			if (string(i->value.begin(), i->value.end()) == string("!="))
			{
				return eval_expression(i->children.begin(), attr_values) !=
					eval_expression(i->children.begin()+1, attr_values);
			}
			else if (string(i->value.begin(), i->value.end()) == string("=="))
			{
				return eval_expression(i->children.begin(), attr_values) ==
					eval_expression(i->children.begin()+1, attr_values);
			}
			else
			{
				err <<  "in node equality_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
				throw err.str();
			}
		}
    }   
    else if (i->value.id() == formula_grammar::compare_exprID)
    {
		DEBUG_STREAM << "		node compare expression: " << string(i->value.begin(), i->value.end()) << endl; 
		if(i->children.size() != 2)		
		{
        	err <<  "in node compare_exprID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }	
		if (string(i->value.begin(), i->value.end()) == string("<="))
        {
            return eval_expression(i->children.begin(), attr_values) <=
                eval_expression(i->children.begin()+1, attr_values);
        }
		else if (string(i->value.begin(), i->value.end()) == string(">="))
        {
            return eval_expression(i->children.begin(), attr_values) >=
                eval_expression(i->children.begin()+1, attr_values);
        }        
        else if (*i->value.begin() == '<')
        {
            return eval_expression(i->children.begin(), attr_values) <
                eval_expression(i->children.begin()+1, attr_values);
        }
        else if (*i->value.begin() == '>')
        {
            return eval_expression(i->children.begin(), attr_values) >
                eval_expression(i->children.begin()+1, attr_values);
        }        
        else
        {
        	err <<  "in node equality_exprID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
        	throw err.str(); 
        }	
    }   
    else if (i->value.id() == formula_grammar::funcID)
    {
		DEBUG_STREAM << "		node function: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 1)		
		{
        	err <<  "in node funcID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
		formula_res_t res;
		res = eval_expression(i->children.begin(), attr_values);

		if (string(i->value.begin(), i->value.end()) == string("abs"))
		{
			res.value = fabs(res.value);
			return res;
		}
		else if (string(i->value.begin(), i->value.end()) == string("cos"))
		{
			res.value = cos(res.value);
			return res;
		}
		else if (string(i->value.begin(), i->value.end()) == string("sin"))
		{
			res.value = sin(res.value);
			return res;
		}
		else if (string(i->value.begin(), i->value.end()) == string("quality"))
		{
			res.value = res.quality;
			return res;
		}
		else
		{
			err <<  "in node funcID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
			throw err.str();
		}
    }  
	else if (i->value.id() == formula_grammar::func_dualID)
	{
		DEBUG_STREAM << "		node function dual: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 2)
		{
			err <<  "in node func_dualID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
			throw err.str();
		}
		formula_res_t res_1=eval_expression(i->children.begin(), attr_values),
           	res_2=eval_expression(i->children.begin()+1, attr_values);
		if (string(i->value.begin(), i->value.end()) == string("min"))
		{
        	formula_res_t res;
        	res.value = min(res_1.value, res_2.value);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
		}
		else if (string(i->value.begin(), i->value.end()) == string("max"))
		{
        	formula_res_t res;
        	res.value = max(res_1.value, res_2.value);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
		}
		else if (string(i->value.begin(), i->value.end()) == string("pow"))
		{
        	formula_res_t res;
        	res.value = pow(res_1.value, res_2.value);
        	res.quality = res.combine_quality(res_1.quality, res_2.quality);
        	res.ex_reason = res.combine_exception(res_1.ex_reason, res_2.ex_reason);
        	res.ex_desc = res.combine_exception(res_1.ex_desc, res_2.ex_desc);
        	res.ex_origin = res.combine_exception(res_1.ex_origin, res_2.ex_origin);
            return res;
		}
		else
		{
			err <<  "in node func_dualID(" << string(i->value.begin(), i->value.end()) << ") value not allowed" << ends;
			throw err.str();
		}
	}
	else if (i->value.id() == formula_grammar::cond_exprID)
	{
		DEBUG_STREAM << "		node ternary_if expression: " << string(i->value.begin(), i->value.end()) << endl;
		if(i->children.size() != 3)
		{
			err <<  "in node ternary_ifID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
			throw err.str();
		}
		formula_res_t res_1=eval_expression(i->children.begin(), attr_values);
		if(res_1.value)
		{
        	formula_res_t res = eval_expression(i->children.begin()+1, attr_values);
            return res;
		}
		else
		{
        	formula_res_t res = eval_expression(i->children.begin()+2, attr_values);
            return res;
		}
	}
    else
    {
        DEBUG_STREAM << "		node unknown id: " << string(i->value.begin(), i->value.end()) << endl;
        {
        	err <<  "node unknown!! value=" << string(i->value.begin(), i->value.end()) << ends;
        	throw err.str(); 
        }	
    }
    formula_res_t res;
    res.value = 0;
    return res;
}

void AlarmHandler::find_event_formula(tree_parse_info_t tree, vector<string> & ev)
{
    eval_node_event(tree.trees.begin(), ev);
    return;
}

void AlarmHandler::eval_node_event(iter_t const& i, vector<string> & ev)
{
	DEBUG_STREAM << "In eval_node_event. i->value = '" <<
        string(i->value.begin(), i->value.end()) <<
        "' i->children.size() = " << i->children.size() << " NODE=" << rule_names[i->value.id()] << endl;
    ostringstream err;
    err << "Looking for event in formula tree: "; 
    /*if (i->value.id() == formula_grammar::event_ID)
    {
    	DEBUG_STREAM << "eval_node_event(): in eventID!!!=" << string(i->value.begin(), i->value.end()) << endl;
    }
    else*/ if (i->value.id() == formula_grammar::nameID)
    {
    	DEBUG_STREAM << "eval_node_event(): find event name=" << string(i->value.begin(), i->value.end()) << endl;
    	if(i->children.size() != 0)		
		{
        	err <<  "in node nameID(" << string(i->value.begin(), i->value.end()) << ") children=" << i->children.size() << ends;
        	throw err.str(); 
        }
        string s(i->value.begin(), i->value.end());
        std::transform(s.begin(), s.end(), s.begin(), (int(*)(int))tolower);		//transform to lowercase
		ev.push_back(s);
    }
    //cout << endl;
    //iter_t it = i->children.begin();
    for(iter_t it = i->children.begin(); it != i->children.end(); it++)
    	eval_node_event(it, ev);
    return;
}


void AlarmHandler::prepare_alarm_attr()
{
	alarm_container_t::iterator ai;
	vector<alarm_t>::iterator aid;
	bool is_audible=false;
	alarms.vlock->readerIn();
	outOfServiceAlarms_read.clear();
	shelvedAlarms_read.clear();
	acknowledgedAlarms_read.clear();
	unacknowledgedAlarms_read.clear();
	unacknowledgedNormalAlarms_read.clear();
	normalAlarms_read.clear();
	silencedAlarms_read.clear();
	listAlarms_read.clear();
	outOfServiceAlarms_sz=0;
	shelvedAlarms_sz=0;
	acknowledgedAlarms_sz=0;
	unacknowledgedAlarms_sz=0;
	unacknowledgedNormalAlarms_sz=0;
	normalAlarms_sz=0;
	silencedAlarms_sz=0;
	listAlarms_sz=0;
	alarmSummary_sz=0;
	for (ai = alarms.v_alarm.begin(); ai != alarms.v_alarm.end(); ai++) {
		ostringstream alm_summary;

		alm_summary << KEY(NAME_KEY) << ai->first << SEP;
		if(ai->second.enabled == false)
		{
			outOfServiceAlarms_read.push_back(ai->second.name);
			attr_outOfServiceAlarms_read[outOfServiceAlarms_sz] = const_cast<char*>(outOfServiceAlarms_read[outOfServiceAlarms_sz].c_str());
			outOfServiceAlarms_sz++;
			alm_summary << KEY(VALUE_KEY) << "OOSRV" << SEP;	//TODO: string or enum value?
		}
		else if(ai->second.shelved)
		{
			shelvedAlarms_read.push_back(ai->second.name);
			attr_shelvedAlarms_read[shelvedAlarms_sz] = const_cast<char*>(shelvedAlarms_read[shelvedAlarms_sz].c_str());
			shelvedAlarms_sz++;
			alm_summary << KEY(VALUE_KEY) << "SHLVD" << SEP;	//TODO: string or enum value?
		}
		else
		{
			if(ai->second.stat == S_ALARM && ai->second.ack == ACK)
			{
				acknowledgedAlarms_read.push_back(ai->second.name);
				attr_acknowledgedAlarms_read[acknowledgedAlarms_sz] = const_cast<char*>(acknowledgedAlarms_read[acknowledgedAlarms_sz].c_str());
				acknowledgedAlarms_sz++;
				alm_summary << KEY(VALUE_KEY) << "ACKED" << SEP;	//TODO: string or enum value?
			}
			else if(ai->second.stat == S_ALARM && ai->second.ack == NOT_ACK)
			{
				unacknowledgedAlarms_read.push_back(ai->second.name);
				attr_unacknowledgedAlarms_read[unacknowledgedAlarms_sz] = const_cast<char*>(unacknowledgedAlarms_read[unacknowledgedAlarms_sz].c_str());
				unacknowledgedAlarms_sz++;
				alm_summary << KEY(VALUE_KEY) << "UNACK" << SEP;	//TODO: string or enum value?
			}
			else if(ai->second.stat == S_NORMAL && ai->second.ack == NOT_ACK)
			{
				unacknowledgedNormalAlarms_read.push_back(ai->second.name);
				attr_unacknowledgedNormalAlarms_read[unacknowledgedNormalAlarms_sz] = const_cast<char*>(unacknowledgedNormalAlarms_read[unacknowledgedNormalAlarms_sz].c_str());
				unacknowledgedNormalAlarms_sz++;
				alm_summary << KEY(VALUE_KEY) << "RTNUN" << SEP;	//TODO: string or enum value?
			}
			else if(ai->second.stat == S_NORMAL && ai->second.ack == ACK)
			{
				normalAlarms_read.push_back(ai->second.name);
				attr_normalAlarms_read[normalAlarms_sz] = const_cast<char*>(normalAlarms_read[normalAlarms_sz].c_str());
				normalAlarms_sz++;
				alm_summary << KEY(VALUE_KEY) << "NORM" << SEP;	//TODO: string or enum value?
			}
			if(ai->second.silenced > 0)
			{
				silencedAlarms_read.push_back(ai->second.name);
				attr_silencedAlarms_read[silencedAlarms_sz] = const_cast<char*>(silencedAlarms_read[silencedAlarms_sz].c_str());
				silencedAlarms_sz++;
			}
		}
		alm_summary << KEY(ALARM_TIME_KEY) << ai->second.ts.tv_sec << "." << ai->second.ts.tv_usec << SEP;
		alm_summary << KEY(MESSAGE_KEY) << ai->second.msg << SEP;	//TODO: escape ';'
		alm_summary << KEY(ACKNOWLEDGED_KEY) << (ai->second.ack== ACK ? 1 : 0) << SEP;	//TODO: 1/0 or ACK, NOT_ACK ?
		alm_summary << KEY(ENABLED_KEY) << (ai->second.enabled ? 1 : 0) << SEP;
		alm_summary << KEY(SHELVED_KEY) << (ai->second.shelved ? 1 : 0) << SEP;
		alm_summary << KEY(LEVEL_KEY) << ai->second.lev << SEP;
		alm_summary << KEY(GROUP_KEY) << ai->second.grp2str() << SEP;
		alm_summary << KEY(ON_COUNTER_KEY) << ai->second.on_counter << SEP;
		alm_summary << KEY(OFF_COUNTER_KEY) << ai->second.off_counter << SEP;
		alm_summary << KEY(FREQ_COUNTER_KEY) << ai->second.freq_counter << SEP;
		alm_summary << KEY(QUALITY_KEY) << ai->second.quality << SEP;
		ostringstream tmp_ex;
		tmp_ex.str("");
		if(ai->second.ex_reason.length() > 0 || ai->second.ex_desc.length() > 0 || ai->second.ex_origin.length() > 0)
			tmp_ex << "Reason: '" << ai->second.ex_reason << "' Desc: '" << ai->second.ex_desc << "' Origin: '" << ai->second.ex_origin << "'";
		alm_summary << KEY(EXCEPTION_KEY) << tmp_ex.str() << SEP;
		alm_summary << KEY(SILENT_TIME_REMAINING_KEY) << ai->second.silenced << SEP;
		attr_frequencyAlarms_read[listAlarms_sz] = ai->second.freq_counter;
		listAlarms_read.push_back(ai->second.name);
		attr_listAlarms_read[listAlarms_sz] = const_cast<char*>(listAlarms_read[listAlarms_sz].c_str());
		listAlarms_sz++;

		if(!is_audible && ai->second.is_new && ai->second.silenced <= 0 && ai->second.enabled && !ai->second.shelved)
			is_audible = true;
		alm_summary << KEY(AUDIBLE_KEY) << (is_audible ? 1 : 0) << SEP;
		alm_summary << KEY(ATTR_VALUES_KEY) << ai->second.attr_values << SEP;

		if (ai->second.stat == S_ALARM && ai->second.enabled && !ai->second.shelved) {
			/*
			 * alarm status is S_ALARM
			 */
			alarmedlock->readerIn();
			aid = find(alarmed.begin(), alarmed.end(),ai->second.name);
			if (aid != alarmed.end()) {
				/*
				 * found, change stat only if switching from
				 * S_NORMAL to S_ALARM status
				 */
				//cout << "read_attr(): S_ALARM: found: " << aid->name << endl;
				if (aid->stat == S_NORMAL) {
					aid->stat = S_ALARM;
					aid->ack = NOT_ACK;
					aid->ts = ai->second.ts;
					aid->msg = ai->second.msg;
				}
				aid->grp = ai->second.grp;
				aid->lev = ai->second.lev;
				aid->is_new = ai->second.is_new;			//copy is_new state
				//ai->second.is_new = 0;						//and set state as not more new //12-06-08: StopNew command set it to 0
				aid->on_counter = ai->second.on_counter;
				aid->off_counter = ai->second.off_counter;
				aid->ack = ai->second.ack;					//if already acknowledged but has arrived new alarm ack is reset
				aid->silenced = ai->second.silenced;		//update silenced from alarm table (maybe not necessary)
				aid->silent_time = ai->second.silent_time;	//if already alarmed and not saved correctly in properties needed to update
			} else {
				/*
				 * not found: new "alarmed" item
				 */
				DEBUG_STREAM << __func__<<": S_ALARM: pushing new alarm: " \
						 				 << ai->second.name << "\t" << ai->second.stat << endl;
				alarmedlock->readerOut();
				alarmedlock->writerIn();
				alarmed.push_back(ai->second);
				//ai->second.is_new = 0;						//set state as not more new		//12-06-08: StopNew command set it to 0
				alarmedlock->writerOut();
				alarmedlock->readerIn();
			}
			alarmedlock->readerOut();
		} else if (ai->second.stat == S_NORMAL) {
			/*
			 * alarm status is S_NORMAL
			 */
			alarmedlock->readerIn();
			aid = find(alarmed.begin(), alarmed.end(), ai->second.name);
			if (aid != alarmed.end()) {
				/*
				 * found, as it should;
				 * switching from S_ALARM to S_NORMAL
				 */
				aid->stat = S_NORMAL;
				aid->ts = ai->second.ts;
				//aid->msg = " ";						/* no message again */
				aid->msg =ai->second.msg;
				aid->grp = ai->second.grp;
				aid->lev = ai->second.lev;
				aid->on_counter = ai->second.on_counter;
				aid->off_counter = ai->second.off_counter;
				aid->ack = ai->second.ack;					//if already acknowledged but has arrived new alarm ack is reset
				aid->is_new = ai->second.is_new;			//copy is_new state
				aid->silenced = ai->second.silenced;		//update silenced from alarm table (maybe not necessary)
				aid->silent_time = ai->second.silent_time;	//if already alarmed and not saved correctly in properties needed to update
				//ai->second.is_new = 0;						//and set state as not more new		//12-06-08: StopNew command set it to 0
				if (aid->ack == ACK) {
					if (aid->done) {
						/*
					 	 * if already ACKnowledged and visualized
					 	 * remove from "alarmed" list
					 	 */
						DEBUG_STREAM << __func__<<": S_NORMAL: " << aid->name \
								 				 << " ACKnowledged: removing" << endl;
						alarmedlock->readerOut();
						alarmedlock->writerIn();
						alarmed.erase(aid);
						alarmedlock->writerOut();
						alarmedlock->readerIn();
					} else {
						aid->done = true;
					}
				}	 /* if */
			}  /* if */
			alarmedlock->readerOut();
		}  /* if else if */
		alarmSummary_read[alarmSummary_sz] = alm_summary.str();
		attr_alarmSummary_read[alarmSummary_sz] = const_cast<char*>(alarmSummary_read[alarmSummary_sz].c_str());
		alarmSummary_sz++;
	}  /* for */
	*attr_audibleAlarm_read = is_audible;
	alarms.vlock->readerOut();

	vector<string> tmp_alarm_table;
	string is_new;
	ostringstream os1;
	/*os1.clear();
	os1 << header << "\t" << alarmed.size() << ends;*/
	//tmp_alarm_table.push_back(os1.str());
	alarmedlock->readerIn();
	if (alarmed.empty() == false) {
		for (aid = alarmed.begin(); aid != alarmed.end(); aid++) {
			if(aid->silenced > 0)
			{
				Tango::TimeVal now = gettime();
				double dnow = now.tv_sec + ((double)now.tv_usec) / 1000000;
				double dsilent = aid->ts_time_silenced.tv_sec + ((double)aid->ts_time_silenced.tv_usec) / 1000000;
				double dminutes = (dnow - dsilent)/60;
				//silenced already calculated in alarm_table::update, but here updated for panel also if state not changed:
				//to see minutes countdown
				if(dminutes < aid->silent_time)
				{
					aid->silenced = aid->silent_time - floor(dminutes);
				}
				else
				{
					aid->silenced = 0;
					aid->shelved = false;
				}
			}
			ostringstream os;
			os.clear();
			is_new.clear();
			is_new = (aid->is_new && aid->silenced <= 0) ? "NEW" : " ";
			os << aid->ts.tv_sec << "\t" << aid->ts.tv_usec << "\t" \
			 	 << aid->name << "\t" << aid->stat << "\t" << aid->ack \
				 << "\t" << aid->on_counter << "\t" << aid->lev << "\t" << aid->silenced << "\t" << aid->grp2str() << "\t" << aid->msg << "\t" << is_new << ends;
			tmp_alarm_table.push_back(os.str());
		}
	}
	alarmedlock->readerOut();
	dslock->writerIn();
	int i;
// 	for (i = ds_num - 1; i >= 0; i--) {