dynamiclibrary.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_DynamicLibrary_h
#define Pegasus_DynamicLibrary_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/Exception.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/Mutex.h>

#include <Pegasus/Common/Linkage.h>

#if defined(PEGASUS_OS_TYPE_WINDOWS)
#include <Pegasus/Common/Network.h>
#include <windows.h>
#endif

PEGASUS_NAMESPACE_BEGIN

class PEGASUS_COMMON_LINKAGE DynamicLibrary
{
public:
    #if defined(PEGASUS_OS_TYPE_WINDOWS)
      typedef HMODULE DynamicLibraryHandle;
      typedef FARPROC DynamicSymbolHandle;
    #elif defined(PEGASUS_OS_OS400)
      typedef int DynamicLibraryHandle;
      typedef void * DynamicSymbolHandle;
    #else
      typedef void * DynamicLibraryHandle;
      typedef void * DynamicSymbolHandle;
    #endif

public:
    DynamicLibrary();
    DynamicLibrary(const DynamicLibrary & library);
    explicit DynamicLibrary(const String & fileName);
    virtual ~DynamicLibrary();

    DynamicLibrary & operator=(const DynamicLibrary & library);

    Boolean load();
    const String& getLoadErrorMessage() const;
    void unload();

    Boolean isLoaded() const;

    const String& getFileName() const;
    DynamicSymbolHandle getSymbol(const String & symbolName);

private:
    Boolean _load();
    void _unload();

    String _fileName;
    DynamicLibraryHandle _handle;
    String _loadErrorMessage;
    Uint32 _referenceCount;
    Mutex _loadMutex;
};

PEGASUS_NAMESPACE_END

#endif