/*
 * xcap_client module - XCAP client for Kamailio
 *
 * Copyright (C) 2007 Voice Sistem S.R.L.
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio 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
 *
 * Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef XCAP_FUNC_H
#define XCAP_FUNC_H

#include "xcap_callbacks.h"

#define USERS_TYPE 1
#define GLOBAL_TYPE 2

#define IF_MATCH 1
#define IF_NONE_MATCH 2

/* macros for the entities responsible for handling a record inserted
 * in xcap table*/

#define INTEGRATED_SERVER 0
#define XCAP_CL_MOD 1 /* xcap_client module responsibility */


typedef struct xcap_doc_sel
{
	str auid;
	int doc_type;
	int type;
	str xid;
	str filename;
} xcap_doc_sel_t;

typedef struct ns_list
{
	int name;
	str value;
	struct ns_list *next;
} ns_list_t;

typedef struct step
{
	str val;
	struct step *next;
} step_t;

typedef struct xcap_node_sel
{
	step_t *steps;
	step_t *last_step;
	int size;
	ns_list_t *ns_list;
	ns_list_t *last_ns;
	int ns_no;

} xcap_node_sel_t;

typedef struct att_test
{
	str name;
	str value;
} attr_test_t;

typedef struct xcap_get_req
{
	char *xcap_root;
	unsigned int port;
	xcap_doc_sel_t doc_sel;
	xcap_node_sel_t *node_sel;
	char *etag;
	int match_type;
} xcap_get_req_t;

xcap_node_sel_t *xcapInitNodeSel(void);
typedef xcap_node_sel_t *(*xcap_nodeSel_init_t)(void);

xcap_node_sel_t *xcapNodeSelAddStep(xcap_node_sel_t *curr_sel, str *name,
		str *namespace, int pos, attr_test_t *attr_test, str *extra_sel);

typedef xcap_node_sel_t *(*xcap_nodeSel_add_step_t)(xcap_node_sel_t *curr_sel,
		str *name, str *namespace, int pos, attr_test_t *attr_test,
		str *extra_sel);

xcap_node_sel_t *xcapNodeSelAddTerminal(xcap_node_sel_t *curr_sel,
		char *attr_sel, char *namespace_sel, char *extra_sel);

typedef xcap_node_sel_t *(*xcap_nodeSel_add_terminal_t)(
		xcap_node_sel_t *curr_sel, char *attr_sel, char *namespace_sel,
		char *extra_sel);

void xcapFreeNodeSel(xcap_node_sel_t *node);

typedef void (*xcap_nodeSel_free_t)(xcap_node_sel_t *node);

/* specifical function to get a new document, not present in xcap table
 * to be updated and handled by the xcap_client module*/
char *xcapGetNewDoc(xcap_get_req_t req, str user, str domain);
typedef char *(*xcapGetNewDoc_t)(xcap_get_req_t req, str user, str domain);

typedef struct xcap_api
{
	xcap_nodeSel_init_t int_node_sel;
	xcap_nodeSel_add_step_t add_step;
	xcap_nodeSel_add_terminal_t add_terminal;
	xcap_nodeSel_free_t free_node_sel;
	xcapGetNewDoc_t getNewDoc;
	register_xcapcb_t register_xcb;
} xcap_api_t;

int bind_xcap(xcap_api_t *api);

typedef int (*bind_xcap_t)(xcap_api_t *api);

char *send_http_get(char *path, unsigned int xcap_port, char *match_etag,
		int match_type, char **etag);
#endif
