modload_plugin.h   [plain text]

/*
 * Copyright (c) 2000-2001,2003-2004 Apple Computer, Inc. All Rights Reserved.
 * 
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */


//
// modload_plugin - loader interface for dynamically loaded plugin modules
//
#ifndef _H_MODLOAD_PLUGIN
#define _H_MODLOAD_PLUGIN

#include "modloader.h"


namespace Security {


//
// A LoadablePlugin implements itself as a LoadableBundle
//
class LoadablePlugin : public Plugin, public LoadableBundle {
public:
    LoadablePlugin(const char *path);
    
    void load();
    void unload();
    bool isLoaded() const;

	CSSM_SPI_ModuleLoadFunction load;
	CSSM_SPI_ModuleUnloadFunction unload;
	CSSM_SPI_ModuleAttachFunction attach;
	CSSM_SPI_ModuleDetachFunction detach;
        
private:
	PluginFunctions mFunctions;

    template <class FunctionType>
    void findFunction(FunctionType * &func, const char *name)
    { func = (FunctionType *)lookupSymbol(name); }
};


} // end namespace Security


#endif //_H_MODLOAD_PLUGIN