UaControlDeviceItem.h

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#ifndef __UACONTROLVARIABLE_H__
#define __UACONTROLVARIABLE_H__

#include "uaobjecttypes.h"
#include "uabasenodes.h"
#include <opcua_dataitemtype.h>
#include <opcua_basedatavariabletype.h>
#include "CanOpenData.h"
#include "boost/bind.hpp"
#include "boost/signals2.hpp"
#include <map>
#include "CANOpenServerConfig.h"
#include "InterfaceUserDataBase.h"
#include "srvtrace.h"
#include <opcua_baseobjecttype.h>

namespace AddressSpace
{
        class NmBuildingAutomation;
        class UaControlNode;
        class UaControlVariable : 
                public OpcUa::BaseDataVariableType
        {
                UA_DISABLE_COPY(UaControlVariable);
        public:
                UaControlVariable(
                        UaNode *cur,
                        NmBuildingAutomation* pNodeManager,
                        UaVariable *instance,
                        UaMutexRefCounted* pSharedMutex
                );

                UaControlVariable (
                        const UaString& name, 
                        const UaNodeId& newNodeId,
                        NmBuildingAutomation* pNodeManager,
                        UaVariant &dv,
                        UaMutexRefCounted* pSharedMutex
                        );

                virtual ~UaControlVariable()
                {
                        //UserDevice::InterfaceUserDataBase * iudb = (UserDevice::InterfaceUserDataBase*)getUserData();

                        //if (iudb) {
                        //      iudb->releaseMutex();
                        //      if (iudb->countMutex() == 0)
                        //              delete iudb;
                        //      setUserData(0);

                        //}
//                      OpcUa::BaseDataVariableType::~BaseDataVariableType();
                }

                virtual UaStatus write(UaDataValue &udv) {
                        return setValue(0, udv, false);
                }

                virtual UaStatus read() {
                        return OpcUa_Good;
                }


                virtual UaStatus setValue(Session *pSession,const UaDataValue& dataValue,OpcUa_Boolean checkAccessLevel)
                {
                        UaStatus ret;

                        convertToDouble(dataValue);
                        ret = OpcUa::BaseDataVariableType::setValue(pSession, dataValue, checkAccessLevel);
//                      TRACE1_DATA(SERVER_CORE, UA_T"<-- UaCalcItem::callCalculation %s", this->browseName().toString().toUtf8());
                        valueChange(pSession, dataValue, checkAccessLevel); // send signal
                        return ret;
                }
                virtual UaStatus setValueOnChange(Session *pSession, const UaDataValue& dataValue, OpcUa_Boolean checkAccessLevel)
                {
                        UaStatus ret;

                        convertToDouble(dataValue);

                        ret = OpcUa::BaseDataVariableType::setValue(pSession, dataValue, checkAccessLevel);
//                      TRACE1_DATA(SERVER_CORE, UA_T"<-- UaControlDevicetem::setItem %s", browseName().toString().toUtf8());
                        valueChange(pSession, dataValue, checkAccessLevel); // send signal
                        return ret;
                }

                virtual void connectItem(UaControlVariable *item)
                {
                        boost::arg<1> _1;
                        boost::arg<2> _2;
                        boost::arg<3> _3;
//                      boost::arg<4> _4;
//                      TRACE2_DATA(SERVER_CORE, UA_T"<-- UaControlDevicetem::connectItem %s %s", browseName().toString().toUtf8(), item->browseName().toString().toUtf8());
                        item->valueChange.connect(boost::bind(&UaControlVariable::setValueOnChange, this, _1,_2,_3));
//                      item->valueChange.connect(&UaControlVariable::setValueOnChange);

                }
                virtual UaNodeId typeDefinitionId() const { return m_TypeDefinition; }

                virtual void setTypeDefinition( UaNodeId uni) { m_TypeDefinition = uni; }

                boost::signals2::signal<void(Session *pSession, const UaDataValue& dataValue, OpcUa_Boolean checkAccessLevel) > valueChange; 
                
                void convertToDouble(const UaDataValue &dataValue)
                //void convertToDouble(void)
                {
//                      double res = 0.0;
                        const OpcUa_Variant *val = dataValue.value();

                        switch (val->Datatype) {
                        case    OpcUaType_Boolean:
                                curValue = val->Value.Boolean;
                                break;
                        case OpcUaType_SByte:
                                curValue = val->Value.SByte;
                                break;
                        case OpcUaType_Byte:
                                curValue = val->Value.Byte;
                                break;
                        case OpcUaType_Int16:
                                curValue = val->Value.Int16;
                                break;
                        case OpcUaType_UInt16:
                                curValue = val->Value.UInt16;
                                break;
                        case OpcUaType_Int32:
                                curValue = val->Value.Int32;
                                break;
                        case OpcUaType_UInt32:
                                curValue = val->Value.UInt32;
                                break;
                        case OpcUaType_Int64:
                                curValue = (double)val->Value.Int64;
                                break;
                        case OpcUaType_UInt64:
                                curValue = (double)val->Value.UInt64;
                                break;
                        case OpcUaType_Float:
                                curValue = val->Value.Float;
                                break;
                        case OpcUaType_Double:
                                curValue = val->Value.Double;
                                break;
                        default:
//                              throw 1;
                                curValue = 0.0;
                        };
//                      curValue = res;
                }
                OpcUa_Double    curValue;

        private:
                UaNodeId                m_TypeDefinition; 
        
        };

        
        class UaControlDeviceItem : 
                public UaControlVariable
        {
                UA_DISABLE_COPY(UaControlDeviceItem);
        public:

                UaControlDeviceItem (
                        UaNode *cur,
                        NmBuildingAutomation* pNodeManager,
                        UaVariable *instance,
                        ::xml_schema::type *conf,
                        UserDevice::pUserDeviceStruct* interf,
                        UaMutexRefCounted* pSharedMutex
                );
                
                UaControlDeviceItem (
                        const UaString& name, 
                        const UaNodeId& newNodeId,
                        NmBuildingAutomation* pNodeManager,
                        UaVariant &dv,
                        UaVariableType *instance,
                        ::xml_schema::type *conf,
                        UserDevice::pUserDeviceStruct* interf,
                        UaMutexRefCounted* pSharedMutex
                );

                virtual UaStatus write(UaDataValue &udv);

                virtual UaStatus read();

                virtual UaStatus read(IOVariableCallback *iom); 

                void setAccess(DirectionType ac) {
                        switch(ac) {
                        case CAN_IN:
                                setValueHandling(UaVariable_Value_CacheIsSource);
                                setAccessLevel(Ua_AccessLevel_CurrentRead );
                                break;
                        case CAN_OUT:
                                setValueHandling(UaVariable_Value_Cache);
                                setAccessLevel(Ua_AccessLevel_CurrentWrite);
                                break;
                        case CAN_IO:
                                setValueHandling(UaVariable_Value_Cache);
                                setAccessLevel(Ua_AccessLevel_CurrentRead | Ua_AccessLevel_CurrentWrite);
                                break;
                        }
                }

                virtual void addMethod(OpcUa::BaseMethod* meth) { m_pMethod.push_back(meth); }
        protected:
                std::vector<OpcUa::BaseMethod*> m_pMethod;  
//              UaControlNode m_cFunction;
        }; 
}
#endif