freebsd-dev/usr.sbin/i4b/isdnd/isdnd.h
2000-10-09 14:22:51 +00:00

877 lines
30 KiB
C

/*
* Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b daemon - main header file
* -----------------------------
*
* $Id: isdnd.h,v 1.82 2000/10/09 11:17:07 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Wed Oct 4 14:11:46 2000]
*
*---------------------------------------------------------------------------*/
#ifndef _ISDND_H_
#define _ISDND_H_
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <strings.h>
#include <string.h>
#include <ctype.h>
#include <syslog.h>
#include <regex.h>
#include <time.h>
#include <errno.h>
#ifdef USE_CURSES
#include <curses.h>
#endif
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include <sys/queue.h> /* TAILQ_ macros */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#ifdef USE_RTPRIO
#include <sys/rtprio.h>
#endif
#include <machine/i4b_ioctl.h>
#include <machine/i4b_cause.h>
#include "config.h" /* compile time configuration */
#include "pathnames.h" /* location of files */
#include "alias.h" /* alias file processing */
/*---------------------------------------------------------------------------*
* some general definitions
*---------------------------------------------------------------------------*/
#define GOOD 0 /* general "good" or "ok" return*/
#define ERROR (-1) /* general error return */
#define WARNING (-2) /* warning return */
#define INVALID (-1) /* an invalid integer */
/*---------------------------------------------------------------------------*
* misc
*---------------------------------------------------------------------------*/
#define RTPRIO_NOTUSED (-1) /* rtprio is not used for isdnd */
/*---------------------------------------------------------------------------*
* debug flag bits
*---------------------------------------------------------------------------*/
#define DL_MSG 0x0001 /* general debug messages */
#define DL_RATES 0x0002 /* messages related to rates */
#define DL_TIME 0x0004 /* messages related to timing */
#define DL_STATE 0x0008 /* messages related to states changes */
#define DL_RCVRY 0x0010 /* messages related to dial recovery */
#define DL_DIAL 0x0020 /* messages related to dial recovery */
#define DL_PROC 0x0040 /* messages related to process handling */
#define DL_DRVR 0x0080 /* messages related to kernel i4b msg i/o*/
#define DL_CNST 0x0100 /* messages related to controller state */
#define DL_RCCF 0x0200 /* messages related to isdnd.rc at boot */
#define DL_BDGT 0x0400 /* messages related to budgets */
#ifdef DEBUG
#define DBGL(cond, dolog) if(cond & debug_flags) dolog
#else
#define DBGL(cond, dolog)
#endif
/*---------------------------------------------------------------------------*
* curses fullscreen display definitions
*---------------------------------------------------------------------------*/
/* window dimensions */
#define UPPER_B 2 /* upper window start */
/* horizontal positions for upper window */
#define H_CNTL 0 /* controller */
#define H_TEI 2 /* TEI */
#define H_CHAN (H_TEI+4) /* channel */
#define H_TELN (H_CHAN+2) /* telephone number */
#define H_IFN (H_TELN+23) /* interfacename */
#define H_IO (H_IFN+7) /* incoming or outgoing */
#define H_OUT (H_IO+4) /* # of bytes out */
#define H_OUTBPS (H_OUT+11) /* bytes per second out */
#define H_IN (H_OUTBPS+5) /* # of bytes in */
#define H_INBPS (H_IN+11) /* bytes per second in */
#define H_UNITS (H_INBPS+6) /* # of charging units */
/* fullscreen mode menu window */
#define WMENU_LEN 35 /* width of menu window */
#define WMENU_TITLE "Command" /* title string */
#define WMENU_POSLN 10 /* menu position, line */
#define WMENU_POSCO 5 /* menu position, col */
#define WMITEMS 6 /* no of menu items */
#define WMENU_HGT (WMITEMS + 4) /* menu window height */
#define WREFRESH 0
#define WHANGUP 1
#define WREREAD 2
#define WSHOW 3
#define WBUDGET 4
#define WQUIT 5
#define WMTIMEOUT 5 /* timeout in seconds */
/*---------------------------------------------------------------------------*
* charging rates
*---------------------------------------------------------------------------*/
#define NDAYS 7 /* number of days in a week */
#define NRATES 4 /* number of rate structures supported */
/* struct for rates - each day has one or more */
struct rates
{
int start_time; /* hour and min at which this rate starts, e.g. 12:20 12*60+20*/
int end_time; /* hour and min at which this rate ends, e.g. 19:10 19*60+10*/
int rate; /* how long can I telephone at this price, seconds */
struct rates *next;
};
/*---------------------------------------------------------------------------*
* the internal identifiers for isdnd log levels. CAUTION: this has to stay
* in sync with the loglevel to text and sysloglevel table in log.c !!
*---------------------------------------------------------------------------*/
enum logids
{
LL_ERR, /* error conditions - everything which caused an error */
LL_WRN, /* warning conditions - nonfatal abnormal conditions */
LL_DMN, /* normal but significant condition - status of daemon */
LL_CHD, /* informational - everything regarding call handling */
LL_DBG, /* debug messages - everything which helps debugging */
LL_MER, /* monitor error messages - not sent to remote */
LL_PKT /* packet logging - log the first few packets */
};
/*---------------------------------------------------------------------------*
* state machine events
*---------------------------------------------------------------------------*/
enum events
{
/* incoming messages */
EV_MCI, /* MSG_CONNECT_IND */
EV_MCAI, /* MSG_CONNECT_ACTIVE_IND */
EV_MDI, /* MSG_DISCONNECT_IND */
EV_MDO, /* MSG_DIALOUT */
/* local requests */
EV_TIMO, /* timer expired */
EV_DRQ, /* disconnect request */
EV_CBRQ, /* callback request */
EV_ALRT, /* alerting request */
/* illegal */
EV_ILL /* illegal event */
};
#define N_EVENTS (EV_ILL+1) /* no of possible events */
/*---------------------------------------------------------------------------*
* this struct describes the numbers to try to dial out
*---------------------------------------------------------------------------*/
typedef struct {
char number[TELNO_MAX]; /* remote number to dial */
int flag; /* usage flag */
#define RNF_IDLE 0
#define RNF_SUCC 1 /* last dial was ok */
} remote_number_t;
/*---------------------------------------------------------------------------*
* this struct describes numbers allowed to dial in
*---------------------------------------------------------------------------*/
typedef struct {
char number[TELNO_MAX]; /* calling party number */
} incoming_number_t;
/*---------------------------------------------------------------------------*
* this structure describes a prematurely aborted called-back dialout
*---------------------------------------------------------------------------*/
typedef struct {
int cdid; /* call handle */
int controller; /* the controller used to dial out */
int channel; /* the channel assigned to the outgoing call */
/* XXX - timeout handling and error recovery? */
} phantom_t;
/*---------------------------------------------------------------------------*
* this struct describes one complete configuration entry
*---------------------------------------------------------------------------*/
typedef struct cfg_entry {
/* ====== filled in at startup configuration, then static ===========*/
char name[32]; /* id for this entry */
int isdncontroller; /* controller to use 0 ... n */
int isdnchannel; /* channel to use */
int isdntxdelin; /* tx delay, incoming connections */
int isdntxdelout; /* tx delay, outgoing connections */
int usrdevicename; /* userland device to use */
int usrdeviceunit; /* userland unit to use */
int remote_numbers_count; /* number of remote numbers */
#define MAXRNUMBERS 8 /* max remote numbers */
remote_number_t remote_numbers[MAXRNUMBERS]; /* remote numbers to dial */
int remote_numbers_handling; /* how to handle the remote dialing */
#define RNH_NEXT 0 /* use next number after last successfull */
#define RNH_LAST 1 /* use last successfull for next call */
#define RNH_FIRST 2 /* always use first number for next call */
char local_phone_dialout[TELNO_MAX]; /* our number to tell remote*/
char local_phone_incoming[TELNO_MAX]; /* answer calls for this local number */
#define MAX_INCOMING 8
int incoming_numbers_count; /* number of incoming allowed numbers */
incoming_number_t remote_phone_incoming[MAX_INCOMING]; /* answer calls from this remote machine */
int dialin_reaction; /* what to do with incoming calls */
#define REACT_ACCEPT 0
#define REACT_REJECT 1
#define REACT_IGNORE 2
#define REACT_ANSWER 3
#define REACT_CALLBACK 4
int b1protocol; /* hdlc / raw */
int idle_time_in; /* max idle time incoming calls */
int idle_time_out; /* max idle time outgoing calls */
int shorthold_algorithm; /* shorthold algorithm */
int unitlength; /* length of a charging unit */
#define UNITLENGTH_DEFAULT 60 /* last resort unit length */
int earlyhangup; /* time in seconds to hangup */
/* before the next expected */
/* charging unit */
#define EARLYHANGUP_DEFAULT 5
int ratetype; /* type of rate */
#define NO_RATE (NRATES+1)
#define INVALID_RATE (-1)
int unitlengthsrc; /* where we get the unit length from */
#define ULSRC_NONE 0 /* nowhere specified */
#define ULSRC_CMDL 1 /* specified on commandline */
#define ULSRC_CMDLMIN 5 /* minimum value from cmdl */
#define ULSRC_CMDLMAX 3600 /* minimum value from cmdl */
#define ULSRC_CONF 2 /* get it from config file */
#define ULSRC_RATE 3 /* get it dynamic from ratesfile*/
#define ULSRC_DYN 4 /* dynamic calculated from AOCD */
char *answerprog; /* program to use for answering */
char *connectprog; /* program run after negotiation finished */
char *disconnectprog; /* program run after shutdown is complete */
int callbackwait; /* time to wait before calling back */
#define CALLBACKWAIT_MIN 1
int calledbackwait; /* time to wait for remote callback */
#define CALLEDBACKWAIT_MIN 2
int dialretries; /* no. of dial tries */
#define DIALRETRIES_DEF 1
int recoverytime; /* time between 2 dial tries */
#define RECOVERYTIME_MIN 1
int dialrandincr; /* use random dial time incr */
int usedown; /* set interface down yes/no */
int downtries; /* retries before i/f is set down */
#define DOWN_TRIES_MIN 2
#define DOWN_TRIES_MAX 20
int downtime; /* time i/f is down */
#define DOWN_TIME_MIN 10 /* 10 seconds */
#define DOWN_TIME_MAX 3600 /* 1 hour */
int dialouttype; /* type of outgoing connection */
#define DIALOUT_NORMAL 0 /* normal dialout behaviour */
#define DIALOUT_CALLEDBACK 1 /* remote is expected to callback */
int alert; /* alert time in sec if nonzero */
#define MINALERT 5 /* 5 secs min */
#define MAXALERT (3*60) /* 3 minutes max */
int inout; /* in/out, in-only or out-only */
#define DIR_INOUT 0
#define DIR_INONLY 1
#define DIR_OUTONLY 2
int budget_callbackperiod; /* length of a budget period (s)*/
int budget_callbackncalls; /* call budget for a period */
char *budget_callbacks_file; /* filename to store callback stats */
char budget_callbacksfile_rotate;
int budget_calloutperiod; /* length of a budget period (s)*/
int budget_calloutncalls; /* call budget for a period */
char *budget_callouts_file; /* filename to store callout stats */
char budget_calloutsfile_rotate;
int ppp_expect_auth;
int ppp_send_auth;
#define AUTH_UNDEF 0
#define AUTH_NONE 1
#define AUTH_PAP 2
#define AUTH_CHAP 3
int ppp_auth_flags;
#define AUTH_RECHALLENGE 0x01
#define AUTH_REQUIRED 0x02
#define AUTHNAMELEN 32 /* AUTHNAMELEN must match in <machine/i4b_isppp.h> */
#define AUTHKEYLEN 16
char ppp_expect_name[AUTHNAMELEN]; /* PPP PAP/CHAP login name */
char ppp_send_name[AUTHNAMELEN];
char ppp_expect_password[AUTHKEYLEN];
char ppp_send_password[AUTHKEYLEN];
int day; /* days valid */
#define SU 0x01
#define MO 0x02
#define TU 0x04
#define WE 0x08
#define TH 0x10
#define FR 0x20
#define SA 0x40
#define HD 0x80 /* holiday */
int fromhr; /* time valid */
int frommin;
int tohr;
int tomin;
/*===========================================================================*/
/*============ filled in after start, then dynamic ==========================*/
/*===========================================================================*/
int cdid; /* cdid for call */
#define CDID_RESERVED (-1)
int isdncontrollerused; /* the one we are using */
int isdnchannelused; /* the one we are using */
int fs_position; /* fullscreen position */
int state; /* state of connection */
#define ST_IDLE 0 /* connection is idle / disconnected */
/* normal dial out to remote */
#define ST_DIAL 1 /* dialing */
#define ST_DIALRTMRCHD 2 /* wait for dial retry time reached */
#define ST_DIALRETRY 3 /* last/first dialing failed, retry */
/* PCB: passive callback, i'm being called back */
#define ST_PCB_DIAL 4 /* dialing, trigger a callback */
#define ST_PCB_DIALFAIL 5 /* dialing failed triggering a callbk */
#define ST_PCB_WAITCALL 6 /* waiting for callback from remote */
/* ACB: active callback, i'm calling back */
#define ST_ACB_WAITDISC 7 /* got call, wait for disconnect */
#define ST_ACB_WAITDIAL 8 /* wait until allowed to callback */
#define ST_ACB_DIAL 9 /* callback to remote */
#define ST_ACB_DIALFAIL 10 /* callback to remote failed */
/* normal non-dialling states */
#define ST_ACCEPTED 11 /* remote accepted */
#define ST_CONNECTED 12 /* connected with remote */
#define ST_WAITDISCI 13 /* tx disc req, wait for disc ind */
#define ST_DOWN 14 /* interface is down */
#define ST_ALERT 15 /* interface is waiting for alert time*/
/* illegal and pseudo states */
#define ST_ILL 16 /* illegal state */
#define ST_SUSE 17 /* subroutine sets new state */
#define N_STATES (ST_ILL+1) /* max number of states */
cause_t disc_cause; /* cause from disconnect */
int local_disconnect; /* flag, who disconnected */
#define DISCON_LOC 0
#define DISCON_REM 1
int timerval; /* value for timer, 0 if inactive */
int timerremain; /* remaining time */
int hangup; /* flag, hangup connection asap */
char real_phone_incoming[TELNO_MAX]; /* real remote telno in case of wildcard */
int last_remote_number; /* index of last used dialout number*/
char remote_phone_dialout[TELNO_MAX]; /* used remote number to dial */
int direction; /* incoming or outgoing */
#define DIR_IN 0
#define DIR_OUT 1
int charge; /* charge in units */
int last_charge; /* last charge in units */
int inbytes; /* # of bytes from remote */
int iinbytes; /* # of bytes from remote on the line */
int inbps; /* bytes/sec from remote */
int outbytes; /* # of bytes to remote */
int ioutbytes; /* # of bytes to remote on the line */
int outbps; /* bytes/sec to remote */
time_t connect_time; /* time connection was established */
time_t aoc_last; /* last AOCD timestamp */
time_t aoc_now; /* current AOCD timestamp */
time_t aoc_diff; /* current unit length */
time_t aoc_lastdiff; /* last charge unit length */
int aoc_valid; /* flag: time diff is valid */
#define AOC_INVALID 0 /* aoc_diff is NOT valid */
#define AOC_VALID 1 /* aoc_diff is valid */
time_t last_dial_time; /* time of last dialing */
time_t last_release_time; /* time of last hangup */
int dial_count; /* number of dialout tries */
int randomtime; /* random() part of recoverytime*/
#define RANDOM_MASK 0x04 /* bits used from randomtime */
int down_retry_count; /* retry cycle count for usedown*/
time_t went_down_time; /* time i/f went down */
phantom_t saved_call; /* outgoing call state if called
back too early */
int alert_time; /* count down of alert time */
char display[DISPLAY_MAX];
time_t budget_callbackperiod_time; /* end of current period */
int budget_callbackncalls_cnt; /* amount of calls left */
int budget_callback_req; /* requests */
int budget_callback_done; /* call done */
int budget_callback_rej; /* call refused */
time_t budget_calloutperiod_time; /* end of current period */
int budget_calloutncalls_cnt; /* amount of calls left */
int budget_callout_req; /* requests */
int budget_callout_done; /* call done */
int budget_callout_rej; /* call refused */
int budget_calltype; /* type of call */
#define BUDGET_TYPE_CBACK 1
#define BUDGET_TYPE_COUT 2
} cfg_entry_t;
/*---------------------------------------------------------------------------*
* this struct describes state of controller with 2 b channels
*---------------------------------------------------------------------------*/
typedef struct isdn_ctrl_state {
int ctrl_type; /* type: active/passive */
int card_type; /* manufacturer (CARD_XXXX) */
int protocol; /* ISDN D-channel protocol */
int state; /* controller state */
#define CTRL_DOWN 0 /* controller inoparable */
#define CTRL_UP 1 /* controller may be used */
int stateb1; /* B-channel 1 */
int stateb2; /* B-channel 2 */
#define CHAN_IDLE 0 /* channel is free for usage */
#define CHAN_RUN 1 /* channel is occupied */
int freechans; /* number of unused channels */
#define MAX_CHANCTRL 2 /* free channels per controller */
int tei; /* tei or -1 if invalid */
int l1stat; /* layer 1 state */
int l2stat; /* layer 2 state */
} isdn_ctrl_state_t;
/*---------------------------------------------------------------------------*
* this struct describes a logging regular expression
*---------------------------------------------------------------------------*/
struct rarr {
int re_flg; /* valid entry flag */
char *re_expr; /* plain text expression */
regex_t re; /* compiled expression */
char *re_prog; /* the program to be executed */
};
#ifdef I4B_EXTERNAL_MONITOR
/* for each rights entry we keep one of this structures around: */
struct monitor_rights {
TAILQ_ENTRY(monitor_rights) list; /* a list of this structures */
char name[FILENAME_MAX]; /* net/host spec or filename */
int rights; /* bitmask of allowed acces rights */
u_int32_t net; /* net/host address (host byte order!) */
u_int32_t mask; /* bitmask 1 = network, 0 = host (host byte order!) */
int local; /* zero if remote access via tcp/ip */
};
#endif
/*---------------------------------------------------------------------------*
* global variables, storage allocation
*---------------------------------------------------------------------------*/
#ifdef MAIN
int isdnfd; /* file handle, /dev/i4b */
char mailto[MAXPATHLEN] = ""; /* panic mail address */
char mailer[MAXPATHLEN] = ""; /* panic mail address */
char *configfile = CONFIG_FILE_DEF; /* configuration filename */
int config_error_flag = 0; /* error counter */
#ifdef DEBUG
int do_debug = 0; /* debug mode flag */
int debug_flags = 0; /* debug options */
int debug_noscreen = 0; /* not on fullscreen */
#endif
int do_bell = 0; /* bell on connect/disconnect */
int do_fork = 1; /* run as daemon/foreground */
int do_ttytype = 0; /* got new terminal type */
char *ttype = ""; /* termcap entry name string */
int do_rdev = 0; /* redirect output */
char *rdev = ""; /* new device string */
int do_print = 0; /* config file printout */
int got_unitlen = 0; /* flag, got length of a unit */
time_t unit_length; /* length of a unit */
cfg_entry_t cfg_entry_tab[CFG_ENTRY_MAX]; /* configuration table */
isdn_ctrl_state_t isdn_ctrl_tab[ISDN_CTRL_MAX]; /* controller states table */
int ncontroller = 0; /* # of controllers available */
int nentries = 0; /* # of entries in config tab */
int uselogfile = 0; /* flag, use a logfile */
char logfile[MAXPATHLEN] = LOG_FILE_DEF; /* log filename */
FILE *logfp = NULL; /* log file pointer */
int logfacility = LOG_LOCAL0; /* the syslog facility used */
int nregex = 0; /* number of reg expr */
struct rarr rarr[MAX_RE]; /* regexpr & progs table */
char ratesfile[MAXPATHLEN] = RATES_FILE_DEF; /* rates filename */
char *rate_error = NULL; /* errorcase: error string */
int got_rate = 0; /* flag, ratesfile found */
struct rates *rates[NRATES][NDAYS]; /* the rates structure */
int useacctfile = 0; /* flag, write accounting */
char acctfile[MAXPATHLEN] = ACCT_FILE_DEF; /* accounting filename */
FILE *acctfp = NULL; /* accounting file pointer */
int acct_all = 1; /* account all connections */
int aliasing = 0; /* enable alias processing */
char aliasfile[MAXPATHLEN] = ALIASFILE; /* alias file location */
int do_fullscreen = 0; /* fullscreen log */
int curses_ready = 0; /* curses initialized */
#ifdef USE_CURSES
WINDOW *upper_w; /* curses upper window pointer */
WINDOW *mid_w; /* curses mid window pointer */
WINDOW *lower_w; /* curses lower window pointer */
#endif
int rt_prio = RTPRIO_NOTUSED; /* realtime priority */
/* monitor via network */
int do_monitor = 0;
int inhibit_monitor = 0;
#ifdef I4B_EXTERNAL_MONITOR
int monitorport = DEF_MONPORT;
#else
int monitorport = -1;
#endif
int accepted = 0;
int isdntime = 0; /* flag, log time from exchange */
int extcallattr = 0; /* flag, display extended caller attributes */
char tinainitprog[MAXPATHLEN] = TINA_FILE_DEF;
char rotatesuffix[MAXPATHLEN] = "";
time_t starttime = 0;
char holidayfile[MAXPATHLEN] = HOLIDAY_FILE_DEF; /* holiday filename */
#else /* !MAIN */
int isdnfd;
char mailto[MAXPATHLEN];
char mailer[MAXPATHLEN];
char *configfile;
int config_error_flag;
#ifdef DEBUG
int do_debug;
int debug_flags;
int debug_noscreen;
#endif
int do_bell;
int do_fork;
int do_ttytype;
char *ttype;
int do_rdev;
char *rdev;
int do_print;
int got_unitlen;
time_t unit_length;
cfg_entry_t cfg_entry_tab[CFG_ENTRY_MAX]; /* configuration table */
isdn_ctrl_state_t isdn_ctrl_tab[ISDN_CTRL_MAX]; /* controller states table */
int ncontroller;
int nentries;
int uselogfile;
char logfile[MAXPATHLEN];
FILE *logfp;
int logfacility;
int nregex;
struct rarr rarr[MAX_RE];
char ratesfile[MAXPATHLEN];
char *rate_error;
int got_rate;
struct rates *rates[NRATES][NDAYS];
int useacctfile;
char acctfile[MAXPATHLEN];
FILE *acctfp;
int acct_all;
int aliasing;
char aliasfile[MAXPATHLEN];
int do_fullscreen;
int curses_ready;
#ifdef USE_CURSES
WINDOW *upper_w;
WINDOW *mid_w;
WINDOW *lower_w;
#endif
int rt_prio;
int do_monitor;
int inhibit_monitor;
int monitorport;
int accepted;
int isdntime;
int extcallattr;
char tinainitprog[MAXPATHLEN];
char rotatesuffix[MAXPATHLEN];
time_t starttime;
char holidayfile[MAXPATHLEN];
#endif /* MAIN */
char * bdrivername ( int drivertype );
void cfg_setval ( int keyword );
void check_and_kill ( cfg_entry_t *cep );
void check_pid ( void );
void close_allactive ( void );
void configure ( char *filename, int reread );
void daemonize ( void );
void dialresponse(cfg_entry_t *cep, int dstat);
void display_acct ( cfg_entry_t *cep );
void display_bell ( void );
void display_ccharge ( cfg_entry_t *cep, int units );
void display_chans ( void );
void display_charge ( cfg_entry_t *cep );
void display_connect ( cfg_entry_t *cep );
void display_disconnect ( cfg_entry_t *cep );
void display_l12stat(int controller, int layer, int state);
void display_tei(int controller, int tei);
void display_updown ( cfg_entry_t *cep, int updown );
void do_exit ( int exitval );
void do_menu ( void );
int exec_answer ( cfg_entry_t *cep );
int exec_connect_prog ( cfg_entry_t *cep, const char *prog, int link_down );
pid_t exec_prog ( char *prog, char **arglist );
cfg_entry_t * find_by_device_for_dialout ( int drivertype, int driverunit );
cfg_entry_t *find_by_device_for_dialoutnumber(int drivertype, int driverunit, int cmdlen, char *cmd);
cfg_entry_t * find_matching_entry_incoming ( msg_connect_ind_t *mp );
cfg_entry_t * find_active_entry_by_driver ( int drivertype, int driverunit );
void finish_log ( void );
char * getlogdatetime ( void );
int get_cdid ( void );
cfg_entry_t * get_cep_by_cc ( int ctrlr, int chan );
cfg_entry_t * get_cep_by_driver ( int drivertype, int driverunit );
cfg_entry_t * get_cep_by_cdid ( int cdid );
int get_current_rate ( cfg_entry_t *cep, int logit );
void handle_charge ( cfg_entry_t *cep );
void handle_recovery ( void );
void handle_scrprs(int cdid, int scr, int prs, char *caller);
void if_up(cfg_entry_t *cep);
void if_down(cfg_entry_t *cep);
void init_controller ( void );
void init_controller_protocol ( void );
void init_log ( void );
void init_screen ( void );
void log ( int what, const char *fmt, ... );
int main ( int argc, char **argv );
void msg_accounting ( msg_accounting_ind_t *mp );
void msg_alert_ind ( msg_alert_ind_t *mp );
void msg_charging_ind ( msg_charging_ind_t *mp );
void msg_connect_active_ind ( msg_connect_active_ind_t *mp );
void msg_connect_ind ( msg_connect_ind_t *mp );
void msg_pdeact_ind(msg_pdeact_ind_t *md);
void msg_negcomplete_ind(msg_negcomplete_ind_t *ind);
void msg_ifstatechg_ind(msg_ifstatechg_ind_t *ind);
void msg_drvrdisc_req(msg_drvrdisc_req_t *mp);
void msg_dialout ( msg_dialout_ind_t *mp );
void msg_dialoutnumber(msg_dialoutnumber_ind_t *mp);
void msg_disconnect_ind ( msg_disconnect_ind_t *mp );
void msg_idle_timeout_ind ( msg_idle_timeout_ind_t *mp );
void msg_l12stat_ind(msg_l12stat_ind_t *ml);
void msg_teiasg_ind(msg_teiasg_ind_t *mt);
void msg_proceeding_ind ( msg_proceeding_ind_t *mp );
void msg_packet_ind( msg_packet_ind_t *mp );
const char * name_of_controller(int ctrl_type, int card_type);
void next_state ( cfg_entry_t *cep, int event );
char * print_i4b_cause( cause_t code );
char * printstate ( cfg_entry_t *cep );
int readrates ( char *filename );
int ret_channel_state(int controller, int channel);
void reopenfiles ( int dummy );
void rereadconfig ( int dummy );
void select_first_dialno ( cfg_entry_t *cep );
void select_next_dialno ( cfg_entry_t *cep );
void select_this_dialno ( cfg_entry_t *cep );
int sendm_alert_req ( cfg_entry_t *cep );
int sendm_connect_req ( cfg_entry_t *cep );
int sendm_connect_resp ( cfg_entry_t *cep, int cdid, int response, cause_t cause );
int sendm_disconnect_req ( cfg_entry_t *cep, cause_t cause );
int set_channel_busy(int controller, int channel);
int set_channel_idle(int controller, int channel);
int setup_dialout(cfg_entry_t *cep);
void sigchild_handler ( int sig );
void start_timer ( cfg_entry_t *cep, int seconds );
void stop_timer ( cfg_entry_t *cep );
void unitlen_chkupd( cfg_entry_t *cep );
void write_pid ( void );
void yyerror ( const char *msg );
void error_exit(int exitval, const char *fmt, ...);
/* montior server module */
void monitor_init();
void monitor_exit();
void monitor_clear_rights();
void monitor_fixup_rights();
int monitor_start_rights(const char *clientspec);
void monitor_add_rights(int rights);
/* possible return codes from monitor_start_rights: */
#define I4BMAR_OK 0 /* rights added successfully */
#define I4BMAR_LENGTH 1 /* local socket name to long */
#define I4BMAR_DUP 2 /* entry already exists */
#define I4BMAR_CIDR 3 /* cidr netmask is invalid */
#define I4BMAR_NOIP 4 /* host/net could not be resolved */
int monitor_create_local_socket();
#ifndef I4B_NOTCPIP_MONITOR
int monitor_create_remote_socket(int portno);
#endif
void monitor_prepselect(fd_set *selset, int *max_fd);
void monitor_handle_input(fd_set *selset);
void monitor_handle_connect(int sockfd, int is_local);
void monitor_evnt_charge(cfg_entry_t *cep, int units, int estimated);
void monitor_evnt_connect(cfg_entry_t *cep);
void monitor_evnt_disconnect(cfg_entry_t *cep);
void monitor_evnt_updown(cfg_entry_t *cep, int up);
void monitor_evnt_log(int prio, const char * what, const char * msg);
void monitor_evnt_l12stat(int controller, int layer, int state);
void monitor_evnt_tei(int controller, int tei);
void monitor_evnt_acct(cfg_entry_t *cep);
/* controller.c */
void init_active_controller(void);
int set_controller_state(int controller, int state);
int get_controller_state(int controller);
int decr_free_channels(int controller);
int incr_free_channels(int controller);
int get_free_channels(int controller);
int set_channel_busy(int controller, int channel);
int set_channel_idle(int controller, int channel);
int ret_channel_state(int controller, int channel);
/* alias.c */
void init_alias(char *filename);
void free_aliases(void);
char *get_alias(char *number);
void upd_callstat_file(char *filename, int rotateflag);
/* holiday.c */
void init_holidays(char *filename);
void free_holidays(void);
int isholiday(int d, int m, int y);
#endif /* _ISDND_H_ */