ha.h

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00001 /* $Id: ha.h 5003 2008-09-26 11:01:51Z henningw $
00002  *
00003  * Copyright (C) 2006-2007 VozTelecom Sistemas S.L
00004  *
00005  * This file is part of Kamailio, a free SIP server.
00006  *
00007  * Kamailio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version
00011  *
00012  * Kamailio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License 
00018  * along with this program; if not, write to the Free Software 
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  */
00021 
00022 
00023 #ifndef HA_H
00024 #define HA_H
00025 #include "../../locking.h"/* for get_lock_t define*/
00026 #include <time.h>
00027 struct ping{
00028    unsigned int id;
00029    struct timeval sent;
00030    struct ping *next;
00031 };
00032 
00033 struct ha{
00034    int timed_out_pings;
00035    int timeout;
00036    gen_lock_t *mutex;
00037    struct ping *pings; 
00038    int begin;
00039    int end;
00040    int count;
00041    int size;
00042 };
00043 
00044 extern char *jain_ping_config;
00045 extern int jain_ping_period;
00046 extern int jain_ping_timeout;
00047 extern struct ping *jain_pings;
00048 
00049 extern pid_t pinger_pid;
00050 
00051 extern char *servlet_ping_config;
00052 extern int servlet_ping_period;
00053 extern int servlet_ping_timeout;
00054 extern struct ping *servlet_pings;
00055 
00056 extern int use_ha;
00057 
00058 char * create_ping_event(int *evt_len,int flags,unsigned int *seqno);
00059 int prepare_ha(void);
00060 int spawn_pinger(void);
00061 int print_pingtable(struct ha *ta,int idx,int lock);
00062 inline int init_pingtable(struct ha *table,int timeout,int maxpings);
00063 inline void destroy_pingtable(struct ha *table);
00064 #endif