handlertable.h

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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#ifndef Pegasus_HandlerTable_h
#define Pegasus_HandlerTable_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/ArrayInternal.h>
#include <Pegasus/Common/InternalException.h>
#include <Pegasus/Common/DynamicLibrary.h>
#include <Pegasus/Handler/CIMHandler.h>

#include <Pegasus/HandlerService/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

// The handler table maintains a list of handlers which have been
// dynamically loaded. It maintains a mapping between string
// handler identifiers and handlers. Indication Processor will use the
// handler table to find handler for the purposes of request dispatching.

class PEGASUS_HANDLER_SERVICE_LINKAGE HandlerTable
{
public:

    HandlerTable();

    CIMHandler* getHandler(
        const String& handlerId,
        CIMRepository* repository);

    ~HandlerTable();

private:

    class HandlerEntry
    {
    public:
        HandlerEntry(const String& id, const String& fileName)
            : handlerId(id), handlerLibrary(fileName)
        {
        }

        // NOTE: The compiler default implementations of the copy constructor
        // and assignment operator are used for this class.

        String handlerId;
        DynamicLibrary handlerLibrary;
        CIMHandler* handler;

    private:
        HandlerEntry();
    };

    Array<HandlerEntry> _handlers;

    CIMHandler* _lookupHandler(const String& handlerId);

    CIMHandler* _loadHandler(const String& handlerId);

    ReadWriteSem _handlerTableLock;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_HandlerTable_h */