freebsd-skq/usr.sbin/i4b/isdnd/controller.c

508 lines
15 KiB
C

/*
* Copyright (c) 1997, 1999 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 - controller state support routines
* ----------------------------------------------
*
* $Id: controller.c,v 1.19 1999/12/13 21:25:24 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Dec 13 21:45:34 1999]
*
*---------------------------------------------------------------------------*/
#include "isdnd.h"
static int
init_controller_state(int controller, int ctrl_type, int card_type, int tei);
/*---------------------------------------------------------------------------*
* get name of a controller
*---------------------------------------------------------------------------*/
const char *
name_of_controller(int ctrl_type, int card_type)
{
static char *passive_card[] = {
"Teles S0/8",
"Teles S0/16",
"Teles S0/16.3",
"AVM A1 or Fritz!Card",
"Teles S0/16.3 PnP",
"Creatix S0 PnP",
"USRobotics Sportster ISDN TA",
"Dr. Neuhaus NICCY Go@",
"Sedlbauer win speed",
"Dynalink IS64PH",
"ISDN Master, MasterII or Blaster",
"AVM PCMCIA Fritz!Card",
"ELSA QuickStep 1000pro/ISA",
"ELSA QuickStep 1000pro/PCI",
"Siemens I-Talk",
"ELSA MicroLink ISDN/MC",
"ELSA MicroLink MCall",
"ITK ix1 micro",
"AVM Fritz!Card PCI",
"ELSA PCC-16",
"AVM Fritz!Card PnP",
"Siemens I-Surf 2.0 PnP",
"Asuscom ISDNlink 128K PnP"
};
static char *daic_card[] = {
"EICON.Diehl S",
"EICON.Diehl SX/SXn",
"EICON.Diehl SCOM",
"EICON.Diehl QUADRO",
};
if(ctrl_type == CTRL_PASSIVE)
{
int index = card_type - CARD_TYPEP_8;
if (index >= 0 && index < (sizeof passive_card / sizeof passive_card[0]))
return passive_card[index];
}
else if(ctrl_type == CTRL_DAIC)
{
int index = card_type - CARD_TYPEA_DAIC_S;
if (index >= 0 && index < (sizeof daic_card / sizeof daic_card[0] ))
return daic_card[index];
}
else if(ctrl_type == CTRL_TINADD)
{
return "Stollmann tina-dd";
}
return "unknown card type";
}
/*---------------------------------------------------------------------------*
* init controller state array
*---------------------------------------------------------------------------*/
void
init_controller(void)
{
int i;
int max = 1;
msg_ctrl_info_req_t mcir;
for(i=0; i < max; i++)
{
mcir.controller = i;
if((ioctl(isdnfd, I4B_CTRL_INFO_REQ, &mcir)) < 0)
{
log(LL_ERR, "init_controller: ioctl I4B_CTRL_INFO_REQ failed: %s", strerror(errno));
do_exit(1);
}
if((ncontroller = max = mcir.ncontroller) == 0)
{
log(LL_ERR, "init_controller: no ISDN controller found!");
do_exit(1);
}
if(mcir.ctrl_type == -1 || mcir.card_type == -1)
{
log(LL_ERR, "init_controller: ctrl/card is invalid!");
do_exit(1);
}
/* init controller tab */
if((init_controller_state(i, mcir.ctrl_type, mcir.card_type, mcir.tei)) == ERROR)
{
log(LL_ERR, "init_controller: init_controller_state for controller %d failed", i);
do_exit(1);
}
}
DBGL(DL_RCCF, (log(LL_DBG, "init_controller: found %d ISDN controller(s)", max)));
}
/*--------------------------------------------------------------------------*
* init controller state table entry
*--------------------------------------------------------------------------*/
static int
init_controller_state(int controller, int ctrl_type, int card_type, int tei)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "init_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
/* init controller tab */
if(ctrl_type == CTRL_PASSIVE)
{
if((card_type > CARD_TYPEP_UNK) &&
(card_type <= CARD_TYPEP_MAX))
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = card_type;
isdn_ctrl_tab[controller].state = CTRL_UP;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
DBGL(DL_RCCF, (log(LL_DBG, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type))));
}
else
{
log(LL_ERR, "init_controller_state: unknown card type %d", card_type);
return(ERROR);
}
}
else if(ctrl_type == CTRL_DAIC)
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = card_type;
isdn_ctrl_tab[controller].state = CTRL_DOWN;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
log(LL_DMN, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type));
}
else if(ctrl_type == CTRL_TINADD)
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = 0;
isdn_ctrl_tab[controller].state = CTRL_DOWN;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
log(LL_DMN, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type));
}
else
{
log(LL_ERR, "init_controller_state: unknown controller type %d", ctrl_type);
return(ERROR);
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* init active controller
*--------------------------------------------------------------------------*/
void
init_active_controller(void)
{
int ret;
int unit = 0;
int controller;
char cmdbuf[MAXPATHLEN+128];
for(controller = 0; controller < ncontroller; controller++)
{
if(isdn_ctrl_tab[controller].ctrl_type == CTRL_TINADD)
{
DBGL(DL_RCCF, (log(LL_DBG, "init_active_controller, tina-dd %d: executing [%s %d]", unit, tinainitprog, unit)));
sprintf(cmdbuf, "%s %d", tinainitprog, unit);
if((ret = system(cmdbuf)) != 0)
{
log(LL_ERR, "init_active_controller, tina-dd %d: %s returned %d!", unit, tinainitprog, ret);
do_exit(1);
}
}
}
}
/*--------------------------------------------------------------------------*
* init controller D-channel ISDN protocol
*--------------------------------------------------------------------------*/
void
init_controller_protocol(void)
{
int controller;
msg_prot_ind_t mpi;
for(controller = 0; controller < ncontroller; controller++)
{
mpi.controller = controller;
mpi.protocol = isdn_ctrl_tab[controller].protocol;
if((ioctl(isdnfd, I4B_PROT_IND, &mpi)) < 0)
{
log(LL_ERR, "init_controller_protocol: ioctl I4B_PROT_IND failed: %s", strerror(errno));
do_exit(1);
}
}
}
/*--------------------------------------------------------------------------*
* set controller state to UP/DOWN
*--------------------------------------------------------------------------*/
int
set_controller_state(int controller, int state)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
if(state == CTRL_UP)
{
isdn_ctrl_tab[controller].state = CTRL_UP;
DBGL(DL_CNST, (log(LL_DBG, "set_controller_state: controller [%d] set UP!", controller)));
}
else if (state == CTRL_DOWN)
{
isdn_ctrl_tab[controller].state = CTRL_DOWN;
DBGL(DL_CNST, (log(LL_DBG, "set_controller_state: controller [%d] set DOWN!", controller)));
}
else
{
log(LL_ERR, "set_controller_state: invalid controller state [%d]!", state);
return(ERROR);
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* get controller state
*--------------------------------------------------------------------------*/
int
get_controller_state(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
return(isdn_ctrl_tab[controller].state);
}
/*--------------------------------------------------------------------------*
* decrement number of free channels for controller
*--------------------------------------------------------------------------*/
int
decr_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "decr_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
if(isdn_ctrl_tab[controller].freechans > 0)
{
(isdn_ctrl_tab[controller].freechans)--;
DBGL(DL_CNST, (log(LL_DBG, "decr_free_channels: ctrl %d, now %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(GOOD);
}
else
{
log(LL_ERR, "decr_free_channels: controller [%d] already 0 free chans!", controller);
return(ERROR);
}
}
/*--------------------------------------------------------------------------*
* increment number of free channels for controller
*--------------------------------------------------------------------------*/
int
incr_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "incr_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
if(isdn_ctrl_tab[controller].freechans < MAX_CHANCTRL)
{
(isdn_ctrl_tab[controller].freechans)++;
DBGL(DL_CNST, (log(LL_DBG, "incr_free_channels: ctrl %d, now %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(GOOD);
}
else
{
log(LL_ERR, "incr_free_channels: controller [%d] already 2 free chans!", controller);
return(ERROR);
}
}
/*--------------------------------------------------------------------------*
* get number of free channels for controller
*--------------------------------------------------------------------------*/
int
get_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "get_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
DBGL(DL_CNST, (log(LL_DBG, "get_free_channels: ctrl %d, %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(isdn_ctrl_tab[controller].freechans);
}
/*--------------------------------------------------------------------------*
* set channel state to busy
*--------------------------------------------------------------------------*/
int
set_channel_busy(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_channel_busy: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
if(isdn_ctrl_tab[controller].stateb1 == CHAN_RUN)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B1 already busy!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb1 = CHAN_RUN;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B1 set to BUSY!", controller)));
}
break;
case CHAN_B2:
if(isdn_ctrl_tab[controller].stateb2 == CHAN_RUN)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B2 already busy!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb2 = CHAN_RUN;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B2 set to BUSY!", controller)));
}
break;
default:
log(LL_ERR, "set_channel_busy: controller [%d], invalid channel [%d]!", controller, channel);
return(ERROR);
break;
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* set channel state to idle
*--------------------------------------------------------------------------*/
int
set_channel_idle(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_channel_idle: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
if(isdn_ctrl_tab[controller].stateb1 == CHAN_IDLE)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B1 already idle!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B1 set to IDLE!", controller)));
}
break;
case CHAN_B2:
if(isdn_ctrl_tab[controller].stateb2 == CHAN_IDLE)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B2 already idle!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B2 set to IDLE!", controller)));
}
break;
default:
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d], invalid channel [%d]!", controller, channel)));
return(ERROR);
break;
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* return channel state
*--------------------------------------------------------------------------*/
int
ret_channel_state(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "ret_channel_state: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
return(isdn_ctrl_tab[controller].stateb1);
break;
case CHAN_B2:
return(isdn_ctrl_tab[controller].stateb2);
break;
default:
log(LL_ERR, "ret_channel_state: controller [%d], invalid channel [%d]!", controller, channel);
return(ERROR);
break;
}
return(ERROR);
}
/* EOF */