* $Id$
 * global variables
 * Copyright (C) 2001-2003 FhG Fokus
 * This file is part of ser, a free SIP server.
 * ser 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
 * For a license to use the ser software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    info@iptel.org
 * ser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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 globals_h
#define globals_h

#include "types.h"
#include "ip_addr.h"
#include "str.h"
#include "poll_types.h"

#define NO_DNS     0
#define DO_DNS     1
#define DO_REV_DNS 2

extern char* mods_dir;   /* directory with dyn. loadable modules */
extern char* cfg_file;
extern int config_check;
extern char* stat_file;
extern unsigned short port_no;

extern time_t up_since;
extern pid_t creator_pid;  /* pid of first process before daemonization */
extern int uid;
extern int gid;
extern char* pid_file;
extern char* pgid_file;
extern int own_pgid; /* whether or not we have our own pgid (and it's ok to use kill(0, sig) */

extern int server_id; /* A unique ID of the SIP server */

extern struct socket_info* bind_address; /* pointer to the crt. proc.
											listening address */
extern struct socket_info* sendipv4; /* ipv4 socket to use when msg.
										comes from ipv6*/
extern struct socket_info* sendipv6; /* same as above for ipv6 */
extern int raw_udp4_send_sock;
#endif /* USE_RAW_SOCKS */

#ifdef USE_TCP
extern struct socket_info* sendipv4_tcp; /* ipv4 socket to use when msg.
										comes from ipv6*/
extern struct socket_info* sendipv6_tcp; /* same as above for ipv6 */
extern int unix_tcp_sock; /* socket used for communication with tcp main*/
#ifdef USE_TLS
extern struct socket_info* sendipv4_tls; /* ipv4 socket to use when msg.
										comes from ipv6*/
extern struct socket_info* sendipv6_tls; /* same as above for ipv6 */
#ifdef USE_SCTP
extern struct socket_info* sendipv4_sctp; /* ipv4 socket to use when msg.
										comes from ipv6*/
extern struct socket_info* sendipv6_sctp; /* same as above for ipv6 */

extern unsigned int maxbuffer;
extern unsigned int sql_buffer_size;
extern int children_no;
extern int socket_workers;
#ifdef USE_TCP
extern int tcp_main_pid;
extern int tcp_cfg_children_no;
extern int tcp_children_no;
extern int tcp_disable;
extern enum poll_types tcp_poll_method;
extern int tcp_max_connections; /* maximum tcp connections, hard limit */
extern int tls_max_connections; /* maximum tls connections, hard limit */
#ifdef USE_TLS
extern int tls_disable;
extern unsigned short tls_port_no;
#ifdef USE_SCTP
extern int sctp_disable;
extern int sctp_children_no;
extern int dont_fork;
extern int dont_daemonize;
extern int check_via;
extern int phone2tel;
extern int received_dns;
extern int syn_branch;
/* extern int process_no; */
extern int child_rank;
extern int sip_warning;
extern int server_signature;
extern str server_hdr;
extern str user_agent_hdr;
extern char* user;
extern char* group;
extern char* sock_user;
extern char* sock_group;
extern int sock_uid;
extern int sock_gid;
extern int sock_mode;
extern char* chroot_dir;
extern char* working_dir;
extern int sr_auto_aliases;
extern int sr_msg_time;

#ifdef USE_MCAST
extern int mcast_loopback;
extern int mcast_ttl;
#endif /* USE_MCAST */

#ifdef USE_STUN
extern unsigned int stun_refresh_interval;
extern int stun_allow_stun;
extern int stun_allow_fp;

#ifdef USE_IPV6
extern int auto_bind_ipv6;

extern int tos;
extern int pmtu_discovery;

 * debug & log_stderr moved to dprint.h*/

/* extern process_bm_t process_bit; */
/* extern int *pids; -moved to pt.h */

extern int cfg_errors;
extern int cfg_warnings;
extern unsigned int msg_no;

extern unsigned long shm_mem_size;
extern unsigned long pkg_mem_size;

/* AVP configuration */
extern char *avp_db_url;  /* db url used by user preferences (AVPs) */

/* moved to pt.h
extern int *pids;
extern int process_no;

extern int reply_to_via;

extern int is_main;
extern int fixup_complete;

/* debugging level for dumping memory status */
extern int memlog;
/* debugging level for malloc debugging messages */
extern int memdbg;

/* debugging level for timer debugging (see -DTIMER_DEBUG) */
extern int timerlog;

/* looking up outbound interface ? */
extern int mhomed;

/* command-line arguments */
extern int my_argc;
extern char **my_argv;

/* pre-set addresses */
extern str default_global_address;
/* pre-ser ports */
extern str default_global_port;

/* how much time to allow for shutdown, before killing everything */
extern int ser_kill_timeout;

/* core dump and file limits */
extern int disable_core_dump;
extern int open_files_limit;

/* memory lock/pre-fault */
extern int shm_force_alloc;
extern int mlock_pages;

/* real time stuff */
extern int real_time;
extern int rt_prio;
extern int rt_policy; /* SCHED_OTHER */
extern int rt_timer1_prio;  /* "fast" timer */
extern int rt_timer2_prio;  /* "slow" timer */
extern int rt_timer1_policy; /* "fast" timer, SCHED_OTHER */
extern int rt_timer2_policy; /* "slow" timer, SCHED_OTHER */

extern int http_reply_hack;

extern int dns_cache_init; /* if 0, the DNS cache is not initialized at startup */
extern unsigned int dns_timer_interval; /* gc timer interval in s */
extern int dns_flags; /* default flags used for the  dns_*resolvehost
                    (compatibility wrappers) */

struct t_dns_cache_stats{
	unsigned long dns_req_cnt;
	unsigned long dc_hits_cnt;
	unsigned long dc_neg_hits_cnt;
	unsigned long dc_lru_cnt;
extern struct t_dns_cache_stats* dns_cache_stats;
#endif /* USE_DNS_CACHE_STATS */
extern int dst_blacklist_init; /* if 0, the dst blacklist is not initialized at startup */
extern unsigned int blst_timer_interval; /*blacklist gc timer interval (in s)*/

struct t_dst_blacklist_stats{
	unsigned long bkl_hit_cnt;
	unsigned long bkl_lru_cnt;
extern struct t_dst_blacklist_stats* dst_blacklist_stats;