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/*
* 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
* ----------------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Mon May 10 21:35:55 1999]
*
*---------------------------------------------------------------------------*/
#include "isdnd.h"
/*--------------------------------------------------------------------------*
* init controller state table entry
*--------------------------------------------------------------------------*/
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;
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 = -1;
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 = -1;
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);
}
}
}
}
/*--------------------------------------------------------------------------*
* 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 */
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