18958fa7e8
git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@122 2fbb986a-6c06-0410-b554-c9c1f0a7f128
136 lines
3.5 KiB
C
Executable File
136 lines
3.5 KiB
C
Executable File
/*
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* libpri: An implementation of Primary Rate ISDN
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*
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* Written by Mark Spencer <markster@linux-support.net>
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*
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* Copyright (C) 2001, Linux Support Services, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef _PRI_INTERNAL_H
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#define _PRI_INTERNAL_H
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#include <sys/time.h>
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struct pri_sched {
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struct timeval when;
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void (*callback)(void *data);
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void *data;
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};
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struct q921_frame;
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enum q931_state;
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enum q931_mode;
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/* No more than 128 scheduled events */
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#define MAX_SCHED 128
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struct pri {
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int fd; /* File descriptor for D-Channel */
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struct pri *subchannel; /* Sub-channel if appropriate */
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struct pri *master; /* Master channel if appropriate */
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struct pri_sched pri_sched[MAX_SCHED]; /* Scheduled events */
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int debug; /* Debug stuff */
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int state; /* State of D-channel */
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int switchtype; /* Switch type */
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int nsf; /* Network-Specific Facility (if any) */
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int localtype; /* Local network type (unknown, network, cpe) */
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int remotetype; /* Remote network type (unknown, network, cpe) */
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int sapi;
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int tei;
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int protodisc;
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/* Q.921 State */
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int q921_state;
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int window; /* Max window size */
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int windowlen; /* Fullness of window */
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int v_s; /* Next N(S) for transmission */
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int v_a; /* Last acknowledged frame */
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int v_r; /* Next frame expected to be received */
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int v_na; /* What we've told our peer we've acknowledged */
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int solicitfbit; /* Have we sent an I or S frame with the F-bit set? */
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int retrans; /* Retransmissions */
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int sentrej; /* Are we in reject state */
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int cref; /* Next call reference value */
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int busy; /* Peer is busy */
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/* Various timers */
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int sabme_timer; /* SABME retransmit */
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int t203_timer; /* Max idle time */
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int t200_timer; /* T-200 retransmission timer */
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/* Used by scheduler */
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struct timeval tv;
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int schedev;
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pri_event ev; /* Static event thingy */
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/* Q.921 Re-transmission queue */
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struct q921_frame *txqueue;
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/* Q.931 calls */
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q931_call **callpool;
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q931_call *localpool;
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/* do we do overlap dialing */
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int overlapdial;
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#ifdef LIBPRI_COUNTERS
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/* q921/q931 packet counters */
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unsigned int q921_txcount;
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unsigned int q921_rxcount;
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unsigned int q931_txcount;
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unsigned int q931_rxcount;
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#endif
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};
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struct pri_sr {
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int transmode;
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int channel;
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int exclusive;
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int nonisdn;
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char *caller;
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int callerplan;
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char *callername;
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int callerpres;
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char *called;
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int calledplan;
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int userl1;
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int numcomplete;
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};
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/* Internal switch types */
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#define PRI_SWITCH_GR303_EOC_PATH 10
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#define PRI_SWITCH_GR303_TMC_SWITCHING 11
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extern int pri_schedule_event(struct pri *pri, int ms, void (*function)(void *data), void *data);
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extern pri_event *pri_schedule_run(struct pri *pri);
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extern void pri_schedule_del(struct pri *pri, int ev);
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extern pri_event *pri_mkerror(struct pri *pri, char *errstr);
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extern void pri_message(char *fmt, ...);
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extern void pri_error(char *fmt, ...);
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#endif
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