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kamailio/modules/mtree/mtree.h

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/**
* $Id$
*
* Copyright (C) 2010 Daniel-Constantin Mierla (asipto.com)
*
* This file is part of Kamailio, a free SIP server.
*
* This file 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
*
* This file 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 _MTREE_H_
#define _MTREE_H_
#include "../../str.h"
#include "../../parser/msg_parser.h"
#include "../../lib/kmi/mi.h"
#include "../../rpc.h"
#define MT_TREE_SVAL 0
#define MT_TREE_DW 1
#define MT_TREE_IVAL 2
typedef union {
int n;
str s;
} is_t;
typedef struct _mt_dw
{
unsigned int dstid;
unsigned int weight;
struct _mt_dw *next;
} mt_dw_t;
typedef struct _mt_is
{
is_t tvalue;
struct _mt_is *next;
} mt_is_t;
typedef struct _mt_node
{
mt_is_t *tvalues;
void *data;
struct _mt_node *child;
} mt_node_t;
#define MT_MAX_DEPTH 64
#define MT_NODE_SIZE mt_char_list.len
#define MT_MAX_COLS 8
typedef struct _m_tree
{
str tname;
str dbtable;
int type;
int multi;
int ncols;
str scols[MT_MAX_COLS];
char pack[4];
unsigned int nrnodes;
unsigned int nritems;
unsigned int memsize;
unsigned int reload_count;
unsigned int reload_time;
mt_node_t *head;
struct _m_tree *next;
} m_tree_t;
/* prefix tree operations */
int mt_add_to_tree(m_tree_t *pt, str *tprefix, str *svalue);
m_tree_t* mt_get_tree(str *tname);
m_tree_t* mt_get_first_tree();
is_t* mt_get_tvalue(m_tree_t *pt, str *tomatch, int *len);
int mt_match_prefix(struct sip_msg *msg, m_tree_t *pt,
str *tomatch, int mode);
m_tree_t* mt_init_tree(str* tname, str* dbtable, str *scols, int type,
int multi);
void mt_free_tree(m_tree_t *pt);
int mt_print_tree(m_tree_t *pt);
void mt_free_node(mt_node_t *pn, int type);
void mt_char_table_init(void);
int mt_node_set_payload(mt_node_t *node, int type);
int mt_node_unset_payload(mt_node_t *node, int type);
int mt_table_spec(char* val);
void mt_destroy_trees(void);
int mt_defined_trees(void);
m_tree_t *mt_swap_list_head(m_tree_t *ntree);
int mt_init_list_head(void);
m_tree_t *mt_add_tree(m_tree_t **dpt, str *tname, str *dbtable,
str *cols, int type, int multi);
int mt_mi_match_prefix(struct mi_node *rpl, m_tree_t *pt,
str *tomatch, int mode);
int mt_rpc_match_prefix(rpc_t* rpc, void* ctx, m_tree_t *pt,
str *tomatch, int mode);
#endif