/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* Cherokee
 *
 * Authors:
 *      Alvaro Lopez Ortega <alvaro@alobbs.com>
 *
 * Copyright (C) 2001-2007 Alvaro Lopez Ortega
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifndef CHEROKEE_HANDLER_FASTCGI_H
#define CHEROKEE_HANDLER_FASTCGI_H

#include "common-internal.h"

#include "handler.h"
#include "buffer.h"
#include "plugin_loader.h"
#include "socket.h"
#include "balancer.h"
#include "handler_cgi_base.h"
#include "fcgi_manager.h"
#include "fcgi_dispatcher.h"


typedef enum {
	fcgi_init_unknown,
	fcgi_init_get_manager,
	fcgi_init_build_header,
	fcgi_init_send_header,
	fcgi_init_send_post,
	fcgi_init_read,
	fcgi_init_end
} cherokee_handler_fastcgi_init_t;

typedef enum {
	fcgi_post_unknown,
	fcgi_post_init,
	fcgi_post_read,
	fcgi_post_write
} cherokee_handler_fastcgi_post_t;


/* Data structure
 */
typedef struct {
	cherokee_handler_cgi_base_t     base;

	cuint_t                         id;
	cuchar_t                        generation;	
	cherokee_buffer_t               write_buffer;	
	off_t                           post_len;

	cherokee_fcgi_manager_t        *manager;
	cherokee_fcgi_dispatcher_t     *dispatcher;

	cherokee_handler_fastcgi_init_t init_phase;
	cherokee_handler_fastcgi_post_t post_phase;
} cherokee_handler_fastcgi_t;

#define HDL_FASTCGI(x)       ((cherokee_handler_fastcgi_t *)(x))


/* Properties data structure
 */
typedef struct {
	cherokee_handler_cgi_base_t     base;

	cherokee_balancer_t            *balancer;
	cherokee_list_t                 fastcgi_env_ref;

	cuint_t                         nsockets;
	cuint_t                         nkeepalive;
	cuint_t                         npipeline;
} cherokee_handler_fastcgi_props_t;

#define PROP_FASTCGI(x)          ((cherokee_handler_fastcgi_props_t *)(x))
#define HANDLER_FASTCGI_PROPS(x) (PROP_FASTCGI(MODULE(x)->props))

 
/* Library init function
 */
void  PLUGIN_INIT_NAME(fastcgi)            (cherokee_plugin_loader_t *loader);

/* Methods
 */
ret_t cherokee_handler_fastcgi_new         (cherokee_handler_t        **hdl, void *cnt, cherokee_module_props_t *properties);
ret_t cherokee_handler_fastcgi_free        (cherokee_handler_fastcgi_t *hdl);
ret_t cherokee_handler_fastcgi_init        (cherokee_handler_fastcgi_t *hdl);
ret_t cherokee_handler_fastcgi_add_headers (cherokee_handler_fastcgi_t *hdl, cherokee_buffer_t *buffer);
ret_t cherokee_handler_fastcgi_step        (cherokee_handler_fastcgi_t *hdl, cherokee_buffer_t *buffer);


#endif /* CHEROKEE_HANDLER_CGI_H */