dlg_db_handler.h

/*
 * $Id$
 *
 * Copyright (C) 2007 Voice System SRL
 * Copyright (C) 2011 Carsten Bock, carsten@ng-voice.com
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * History:
 * --------
 * 2007-05-10  initial version (ancuta)
 */


#ifndef _DLG_DB_HANDLER_H_
#define _DLG_DB_HANDLER_H_

#include "../../str.h"
#include "../../lib/srdb1/db.h"

#define CALL_ID_COL                             "callid"
#define FROM_URI_COL                    "from_uri"
#define FROM_TAG_COL                    "from_tag"
#define TO_URI_COL                              "to_uri"
#define TO_TAG_COL                              "to_tag"
#define HASH_ID_COL                             "hash_id"
#define HASH_ENTRY_COL                  "hash_entry"
#define STATE_COL                               "state"
#define START_TIME_COL                  "start_time"
#define TIMEOUT_COL                             "timeout"
#define TO_CSEQ_COL                             "callee_cseq"
#define FROM_CSEQ_COL                   "caller_cseq"
#define TO_ROUTE_COL                    "callee_route_set"
#define FROM_ROUTE_COL                  "caller_route_set"
#define TO_CONTACT_COL                  "callee_contact"
#define FROM_CONTACT_COL                "caller_contact"
#define FROM_SOCK_COL                   "caller_sock"
#define TO_SOCK_COL                             "callee_sock"
#define IFLAGS_COL                              "iflags"
#define SFLAGS_COL                              "sflags"
#define TOROUTE_NAME_COL                "toroute_name"
#define REQ_URI_COL                             "req_uri"
#define XDATA_COL                               "xdata"
#define DIALOG_TABLE_NAME               "dialog"
#define DLG_TABLE_VERSION               7

#define DIALOG_TABLE_COL_NO             23

#define VARS_HASH_ID_COL                "hash_id"
#define VARS_HASH_ENTRY_COL             "hash_entry"
#define VARS_KEY_COL                    "dialog_key"
#define VARS_VALUE_COL                  "dialog_value"
#define DIALOG_VARS_TABLE_NAME          "dialog_vars"
#define DLG_VARS_TABLE_VERSION          1

#define DIALOG_VARS_TABLE_COL_NO 4


/*every minute the dialogs' information will be refreshed*/
#define DB_DEFAULT_UPDATE_PERIOD        60
#define DB_MODE_NONE                            0
#define DB_MODE_REALTIME                        1
#define DB_MODE_DELAYED                         2
#define DB_MODE_SHUTDOWN                        3


/* Dialog table */
extern str call_id_column; 
extern str from_uri_column;
extern str from_tag_column;
extern str to_uri_column;
extern str to_tag_column;
extern str h_id_column;
extern str h_entry_column;
extern str state_column;
extern str start_time_column;
extern str timeout_column;
extern str to_cseq_column;
extern str from_cseq_column;
extern str to_route_column;
extern str from_route_column;
extern str to_contact_column;
extern str from_contact_column;
extern str to_sock_column;
extern str from_sock_column;
extern str iflags_column;
extern str sflags_column;
extern str toroute_name_column;
extern str dialog_table_name;
extern int dlg_db_mode;

/* Dialog-Vars Table */
extern str vars_h_id_column;
extern str vars_h_entry_column;
extern str vars_key_column;
extern str vars_value_column;
extern str dialog_vars_table_name;


int init_dlg_db(const str *db_url, int dlg_hash_size, int db_update_period, int fetch_num_rows);
int dlg_connect_db(const str *db_url);
void destroy_dlg_db(void);

int remove_dialog_from_db(struct dlg_cell * cell);
int update_dialog_dbinfo(struct dlg_cell * cell);
void dialog_update_db(unsigned int ticks, void * param);

#endif