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/*
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/*
* @defgroup filter filter
* @{ @ingroup libfast
*/
#ifndef FILTER_H_
#define FILTER_H_
#include "request.h"
#include "context.h"
#include "controller.h"
typedef struct filter_t filter_t;
/**
* Constructor function for a filter
*
* @param context session specific context
* @param param user supplied param
*/
typedef filter_t *(*filter_constructor_t)(context_t* context, void *param);
/**
* Filter interface, to be implemented by users filters.
*/
struct filter_t {
/**
* Called before the controller handles the request.
*
* @param request HTTP request
* @param p1 first parameter
* @param p2 second parameter
* @param p3 third parameter
* @param p4 forth parameter
* @param p5 fifth parameter
* @return TRUE to continue request handling
*/
bool (*run)(filter_t *this, request_t *request,
char *p0, char *p1, char *p2, char *p3, char *p4, char *p5);
/**
* Destroy the filter instance.
*/
void (*destroy) (filter_t *this);
};
#endif /* FILTER_H_ @} */
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