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/*
* $Id$
*
* Copyright (C) 2012-2013 Crocodile RCS Ltd
*
* 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
*
* Exception: permission to copy, modify, propagate, and distribute a work
* formed by combining OpenSSL toolkit software and the code in this file,
* such as linking with software components and libraries released under
* OpenSSL project license.
*
*/
#ifndef _WS_CONN_H
#define _WS_CONN_H
#include "../../atomic_ops.h"
#include "../../lib/kcore/kstats_wrapper.h"
#include "../../lib/kmi/tree.h"
typedef enum
{
WS_S_CONNECTING = 0, /* Never used - included for completeness */
WS_S_OPEN,
WS_S_CLOSING,
WS_S_CLOSED /* Never used - included for completeness */
} ws_conn_state_t;
typedef struct ws_connection
{
ws_conn_state_t state;
int awaiting_pong;
int last_used;
struct ws_connection *used_prev;
struct ws_connection *used_next;
int id; /* id and id_hash are identical to the values */
unsigned id_hash; /* for the corresponding TCP/TLS connection */
struct ws_connection *id_prev;
struct ws_connection *id_next;
struct receive_info rcv;
unsigned int sub_protocol;
atomic_t refcnt;
int run_event;
} ws_connection_t;
typedef struct
{
ws_connection_t *head;
ws_connection_t *tail;
} ws_connection_used_list_t;
typedef enum
{
WSCONN_EVENTROUTE_NO = 0,
WSCONN_EVENTROUTE_YES
} ws_conn_eventroute_t;
extern ws_connection_used_list_t *wsconn_used_list;
extern char *wsconn_state_str[];
extern stat_var *ws_current_connections;
extern stat_var *ws_max_concurrent_connections;
extern stat_var *ws_sip_current_connections;
extern stat_var *ws_sip_max_concurrent_connections;
extern stat_var *ws_msrp_current_connections;
extern stat_var *ws_msrp_max_concurrent_connections;
int wsconn_init(void);
void wsconn_destroy(void);
int wsconn_add(struct receive_info rcv, unsigned int sub_protocol);
int wsconn_rm(ws_connection_t *wsc, ws_conn_eventroute_t run_event_route);
int wsconn_update(ws_connection_t *wsc);
void wsconn_close_now(ws_connection_t *wsc);
ws_connection_t *wsconn_get(int id);
int wsconn_put(ws_connection_t *wsc);
ws_connection_t **wsconn_get_list(void);
int wsconn_put_list(ws_connection_t **list);
struct mi_root *ws_mi_dump(struct mi_root *cmd, void *param);
#endif /* _WS_CONN_H */
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