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/*
* $Id: items.h,v 1.19 2006/07/05 14:33:07 miconda Exp $
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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 _ITEMS_H_
#define _ITEMS_H_
#include "parser/msg_parser.h"
#include "usr_avp.h"
#define ITEM_MARKER_STR "$"
#define ITEM_MARKER '$'
#define ITEM_LNBRACKET_STR "("
#define ITEM_LNBRACKET '('
#define ITEM_RNBRACKET_STR ")"
#define ITEM_RNBRACKET ')'
#define ITEM_LIBRACKET_STR "["
#define ITEM_LIBRACKET '['
#define ITEM_RIBRACKET_STR "]"
#define ITEM_RIBRACKET ']'
/* flags [16-31] are reserved for avps */
#define XL_DISABLE_NONE 0 /* 0 */
#define XL_THROW_ERROR 1 /* 0 */
#define XL_DISABLE_MULTI 2 /* 1 */
#define XL_DISABLE_COLORS 4 /* 2 */
#define XL_DISABLE_PVARS 8 /* 3 */
#define XL_DPARAM 16 /* 4 */
#define XL_LEVEL2 32 /* 5 */
#define XL_EXTRA_FOUND 64 /* 6 */
#define XL_VAL_NONE 0
#define XL_VAL_NULL 1
#define XL_VAL_EMPTY 2
#define XL_VAL_STR 4
#define XL_VAL_INT 8
#define XL_TYPE_INT 16
enum _xl_type {
XL_NONE=0, XL_EMPTY, XL_NULL,
XL_MARKER, XL_AVP, XL_HDR,
XL_PID, XL_RETURN_CODE, XL_TIMES,
XL_TIMEF, XL_MSGID, XL_METHOD,
XL_STATUS, XL_REASON, XL_RURI,
XL_RURI_USERNAME, XL_RURI_DOMAIN, XL_RURI_PORT,
XL_FROM, XL_FROM_USERNAME, XL_FROM_DOMAIN,
XL_FROM_TAG, XL_TO, XL_TO_USERNAME,
XL_TO_DOMAIN, XL_TO_TAG, XL_CSEQ,
XL_CONTACT, XL_CALLID, XL_USERAGENT,
XL_MSG_BUF, XL_MSG_LEN, XL_FLAGS,
XL_HEXFLAGS, XL_SRCIP, XL_SRCPORT,
XL_RCVIP, XL_RCVPORT, XL_REFER_TO,
XL_DSET, XL_DSTURI, XL_COLOR,
XL_BRANCH, XL_BRANCHES, XL_CONTENT_TYPE,
XL_CONTENT_LENGTH, XL_MSG_BODY, XL_AUTH_USERNAME,
XL_AUTH_REALM, XL_RURI_PROTOCOL, XL_DSTURI_DOMAIN,
XL_DSTURI_PORT, XL_DSTURI_PROTOCOL, XL_FROM_DISPLAYNAME,
XL_TO_DISPLAYNAME, XL_OURI, XL_OURI_USERNAME,
XL_OURI_DOMAIN, XL_OURI_PORT, XL_OURI_PROTOCOL,
XL_FORCE_SOCK, XL_RPID_URI, XL_DIVERSION_URI,
XL_ITEM_EXTRA /* keep it last */
};
typedef enum _xl_type xl_type_t;
typedef struct _xl_value
{
str rs;
int ri;
int flags;
} xl_value_t, *xl_value_p;
typedef struct _xl_param
{
str val;
int ind;
} xl_param_t, *xl_param_p;
typedef int (*item_func_t) (struct sip_msg*, xl_value_t*, xl_param_t*, int);
typedef int xl_flags_t;
typedef struct _xl_dparam
{
item_func_t itf;
int ind;
} xl_dparam_t, *xl_dparam_p;
typedef struct _xl_spec {
xl_type_t type;
xl_flags_t flags;
item_func_t itf;
xl_param_t p;
xl_dparam_t dp;
} xl_spec_t, *xl_spec_p;
typedef struct _xl_elem
{
str text;
xl_spec_t spec;
struct _xl_elem *next;
} xl_elem_t, *xl_elem_p;
int xl_elem_free_all(xl_elem_p list);
char* xl_parse_spec(char *s, xl_spec_p sp, int flags);
int xl_parse_format(char *s, xl_elem_p *el, int flags);
int xl_get_spec_index(xl_spec_p sp, int *idx);
int xl_get_spec_value(struct sip_msg* msg, xl_spec_p sp, xl_value_t *value,
int flags);
int xl_get_spec_name(struct sip_msg* msg, xl_spec_p sp, xl_value_t *value,
int flags);
int xl_get_avp_name(struct sip_msg* msg, xl_spec_p sp, int_str *avp_name,
unsigned short *name_type);
int xl_print_spec(struct sip_msg* msg, xl_spec_p sp, char *buf, int *len);
int xl_printf(struct sip_msg* msg, xl_elem_p list, char *buf, int *len);
int xl_add_extra(char *name, item_func_t fct, int type, xl_param_t *param);
int xl_add_extra_spec(str *name, xl_spec_p sp);
int xl_fill_extra_spec(xl_spec_p sp);
int xl_init_extra_spec();
int xl_free_extra_spec();
#define XL_PRINT_BUF_SIZE 1024
#define XL_PRINT_BUF_NO 3
/*IMPORTANT NOTE - even if the function prints and returns a static buffer, it
* has built-in support for 3 level of nesting (or cuncurrent usage).
* If you think it's not enough for you, either use xl_printf() directly,
* either increase XL_PRINT_BUF_NO --bogdan */
static inline int xl_printf_s(struct sip_msg* msg, xl_elem_p list, str *s)
{
static int buf_itr = 0;
static char buf[XL_PRINT_BUF_NO][XL_PRINT_BUF_SIZE];
if (list->next==0 && list->spec.itf==0) {
*s = list->text;
return 0;
} else {
s->s = buf[buf_itr];
s->len = XL_PRINT_BUF_SIZE;
buf_itr = (buf_itr+1)%XL_PRINT_BUF_NO;
return xl_printf( msg, list, s->s, &s->len);
}
}
#endif
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