/*
 * The olsr.org Optimized Link-State Routing daemon(olsrd)
 * Copyright (c) 2004, Andreas Tønnesen(andreto@olsr.org)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 *
 * * Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright 
 *   notice, this list of conditions and the following disclaimer in 
 *   the documentation and/or other materials provided with the 
 *   distribution.
 * * Neither the name of olsr.org, olsrd nor the names of its 
 *   contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Visit http://www.olsr.org for more information.
 *
 * If you find this software useful feel free to make a donation
 * to the project. For more information see the website or contact
 * the copyright holders.
 *
 * $Id: plugin_loader.h,v 1.17 2007/07/15 19:29:37 bernd67 Exp $
 */

#ifndef _OLSR_PLUGIN_LOADER
#define _OLSR_PLUGIN_LOADER

#include "olsrd_plugin.h"
#include "olsr_types.h"
#include "olsr_cfg.h"

#ifndef OLSR_PLUGIN

/* all */
typedef int (*plugin_init_func)(void);
typedef int (*get_interface_version_func)(void);

#if SUPPORT_OLD_PLUGIN_VERSIONS
/* version 4 */
typedef int (*register_param_func)(char *, char *);
#endif

/* version 5 */
typedef void (*get_plugin_parameters_func)(const struct olsrd_plugin_parameters **params, unsigned int *size);


struct olsr_plugin {
    /* The handle */
    void *dlhandle;
  
    struct plugin_param *params;
    int plugin_interface_version;
  
#if SUPPORT_OLD_PLUGIN_VERSIONS
    /* version 4 */
    register_param_func register_param;
#endif
    plugin_init_func plugin_init;

    /* version 5 */
    const struct olsrd_plugin_parameters *plugin_parameters;
    unsigned int plugin_parameters_size;
  
    struct olsr_plugin *next;
};

void olsr_load_plugins(void);

void olsr_close_plugins(void);

int olsr_plugin_io(int, void *, size_t);

#endif
#endif

/*
 * Local Variables:
 * mode: c
 * style: linux
 * c-basic-offset: 4
 * indent-tabs-mode: nil
 * End:
 */