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/**
* @file controller.h
*
* @brief Interface controller_t.
*
*/
/*
* Copyright (C) 2007 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.
*/
#ifndef CONTROLLER_H_
#define CONTROLLER_H_
#include "request.h"
#include "context.h"
typedef struct controller_t controller_t;
/**
* @brief Controller action handle function
*
* @param request http request
* @param response http response
*/
typedef void *(*controller_handler_t)(controller_t *this, request_t *request);
/**
* @brief Constructor function for a controller
*
* @param context session specific context
* @param param user supplied param
*/
typedef controller_t *(*controller_constructor_t)(context_t* context, void *param);
/**
* @brief Controller interface, to be implemented by users controllers.
*
*/
struct controller_t {
/**
* @brief Get the name of the controller.
*
* @return name of the controller
*/
char* (*get_name)(controller_t *this);
/**
* @brief Handle a HTTP request for that controller.
*
* Request URLs are parsed in the form
* controller_name/p1/p2/p3/p4/p5 with a maximum of 5 parameters. Each
* parameter not found in the request URL is set to NULL.
*
* @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
*/
void (*handle)(controller_t *this, request_t *request,
char *a1, char *a2, char *a3, char *a4, char *a5);
/**
* @brief Destroy the controller instance.
*/
void (*destroy) (controller_t *this);
};
#endif /* CONTROLLER_H_ */
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