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#!/bin/sh
#
# zaptel This shell script takes care of loading and unloading \
# Zapata Telephony interfaces
# chkconfig: 2345 9 92
# description: The zapata telephony drivers allow you to use your linux \
# computer to accept incoming data and voice interfaces
#
# config: /etc/sysconfig/zaptel
initdir=/etc/init.d
ZTCFG=/sbin/ztcfg
#
# Determine which kind of configuration we're using
#
system=redhat # assume redhat
if [ -f /etc/debian_version ]; then
system=debian
fi
# Source function library.
if [ $system = redhat ]; then
. $initdir/functions || exit 0
fi
# Source zaptel configuration.
if [ $system = debian ]; then
[ -f /etc/default/zaptel ] && . /etc/default/zaptel
LOCKFILE=/var/lock/zaptel
elif [ $system = redhat ]; then
[ -f /etc/sysconfig/zaptel ] && . /etc/sysconfig/zaptel
LOCKFILE=/var/lock/subsys/zaptel
fi
if [ -z "${MODULES}" ]; then
# Populate defaults if not present
MODULES="tor2 wct4xxp wct1xxp wcte11xp wcfxo wctdm wctdm24xxp"
fi
# recursively unload a module and its dependencies, if possible.
# where's modprobe -r when you need it?
# inputs: module to unload.
# returns: the result from
unload_module() {
module="$1"
line=`lsmod 2>/dev/null | grep "^$1 "`
if [ "$line" = '' ]; then return; fi # module was not loaded
set -- $line
# $1: the original module, $2: size, $3: refcount, $4: deps list
mods=`echo $4 | tr , ' '`
for mod in $mods; do
# run in a subshell, so it won't step over our vars:
(unload_module $mod)
# TODO: the following is probably the error handling we want:
# if [ $? != 0 ]; then return 1; fi
done
rmmod $module
}
# Wait for Astribank to initialize registers:
wait_for_xpp() {
if [ -d /proc/xpp ]
then
# reading from waitfor_xpds only returns when the device
# has finished initilizing its regiters and is available.
cat /proc/xpp/XBUS-*/waitfor_xpds 2>/dev/null >/dev/null || true
fi
}
# Register to zaptel Astribank spans that were not autoomatically registered
# (useful when you have more than one Astribank)
zap_reg_xpp() {
if [ ! -d /proc/xpp ]; then return; fi
# Get a list of connected Astribank devices, sorted by the name of
# the USB connector. That order is rather arbitrary, but will not
# change without changes to the cabling.
xbusses=`sort -k 2 /proc/xpp/xbuses | awk -F: '/STATUS=connected/ {print $1}'`
# get a list of XPDs that were not yet registered as zaptel spans.
# this will be the case if you set the parameter zap_autoreg=0 to
# the module xpp
# Append /dev/null to provide a valid file name in case of an empty pattern.
xbusses_pattern=`echo $xbusses| sed -e 's|XBUS-[0-9]*|/proc/xpp/&/XPD-*/zt_registration|g'`' /dev/null'
xpds_to_register=`grep -l 0 $xbusses_pattern 2>/dev/null` || true
for file in $xpds_to_register; do
echo 1 >$file
done
}
# If the system has an Astribank, select the right one as the sync source.
# TODO: replace the sryptic awk code with 'xpp_sync auto' once it is in.
fix_asterisbank_sync() {
# do nothing if module not present
if [ ! -d /proc/xpp ]; then return; fi
#if ! grep -q '^HOST' /proc/xpp/sync 2>/dev/null; then return; fi
case "$XPP_SYNC" in
n*|N*) return;;
host|HOST) sync_value="HOST";;
[0-9]*)sync_value="$XPP_SYNC";;
*)
# find the number of the first bus, and sync from it:
fxo_pat=`awk -F: '/STATUS=connected/{print $1}' /proc/xpp/xbuses | sed -e 's|.*|/proc/xpp/&/*/fxo_info|'`
# find the first FXO unit, and set it as the sync master
bus=`ls -1 $fxo_pat 2> /dev/null | head -n1 | cut -d- -f2 | cut -d/ -f1`
if [ "$bus" = '' ]; then
# no device with FXO found. Just get the first one
bus=`awk -F: '/STATUS=connected/{print $1}' /proc/xpp/xbuses | head -n 1 | cut -d- -f2`
fi
# do nothing if there is no bus:
case "$bus" in [0-9]*):;; *) return;; esac
sync_value="SYNC=$bus"
;;
esac
# the built-in echo of bash fails to print a proper error on failure
if ! /bin/echo "$sync_value" >/proc/xpp/sync
then
echo >&2 "Updating XPP sync source failed (tried \"$sync_value\", XPP_SYNC='$XPP_SYNC')"
fi
}
# Check that telephony is up.
[ "${TELEPHONY}" = "yes" ] || exit 0
[ -f $ZTCFG ] || exit 0
[ -f /etc/zaptel.conf ] || exit 0
if [ "${DEBUG}" = "yes" ]; then
ARGS="debug=1"
fi
RETVAL=0
# See how we were called.
case "$1" in
start)
# Load drivers
rmmod wcusb >& /dev/null
rmmod wcfxsusb >& /dev/null
rmmod audio >& /dev/null
if [ $system = debian ]; then
echo -n "Loading zaptel framework: "
modprobe zaptel ${ARGS} >& /dev/null && echo -n "done"
echo "."
elif [ $system = redhat ]; then
action "Loading zaptel framework: " modprobe zaptel ${ARGS}
fi
echo -n "Waiting for zap to come online..."
TMOUT=10 # max secs to wait
while [ ! -d /dev/zap ] ; do
sleep 1
TMOUT=`expr $TMOUT - 1`
if [ $TMOUT -eq 0 ] ; then
echo "Error: missing /dev/zap!"
exit 1
fi
done
echo "OK"
echo -n "Loading zaptel hardware modules:"
for x in $MODULES; do
if modprobe ${x} ${ARGS} >& /dev/null; then
echo -n " $x"
echo "."
fi
done
sleep 3 # TODO: remove it
wait_for_xpp
zap_reg_xpp
fix_asterisbank_sync # can actually be run after ztcfg
if [ ! -e /proc/zaptel/1 ]; then
echo "No functioning zap hardware found in /proc/zaptel, loading ztdummy"
modprobe ztdummy >& /dev/null
fi
if [ $system = debian ]; then
echo -n "Running ztcfg: "
$ZTCFG >& /dev/null && echo -n "done"
echo "."
elif [ $system = redhat ]; then
action "Running ztcfg: " $ZTCFG
fi
RETVAL=$?
[ $RETVAL -eq 0 ] && touch $LOCKFILE
# HPEC license found
if [ x`find /var/lib/digium/licenses/ -maxdepth 1 -name HPEC-\*.lic -printf yes -quit` = xyes ]; then
# zaphpec_enable not installed in /usr/sbin
if [ ! -f /usr/sbin/zaphpec_enable ]; then
echo -n "Running zaphpec_enable: Failed"
echo -n "."
echo " The zaphpec_enable binary is not installed in /usr/sbin."
else
# zaphpec_enable not set executable
if [ ! -x /usr/sbin/zaphpec_enable ]; then
echo -n "Running zaphpec_enable: Failed"
echo -n "."
echo " /usr/sbin/zaphpec_enable is not set as executable."
else
# zaphpec_enable properly installed
if [ $system = debian ]; then
echo -n "Running zaphpec_enable: "
/usr/sbin/zaphpec_enable >& /dev/null
elif [ $system = redhat ]; then
action "Running zaphpec_enable: " /usr/sbin/zaphpec_enable
fi
if [ $? = 0 ]; then
echo -n "done"
echo "."
else
echo -n "Failed"
echo -n "."
echo " This can be caused if you had already run zaphpec_enable, or if your HPEC license is no longer valid."
fi
fi
fi
fi
;;
stop)
# Unload drivers
$ZTCFG -s
echo -n "Unloading zaptel hardware drivers:"
unload_module zaptel
RETVAL=$?
[ $RETVAL -eq 0 ] && rm -f $LOCKFILE
;;
unload)
# We don't have zaptel helper, so let's not replicate too much code:
# allow others to use the unload command.
unload_module zaptel
;;
restart)
$0 stop
$0 start
;;
reload)
if [ $system = debian ]; then
echo -n "Reloading ztcfg: "
$ZTCFG >& /dev/null && echo -n "done"
echo "."
elif [ $system = redhat ]; then
action "Reloading ztcfg: " $ZTCFG
fi
RETVAL=$?
;;
*)
echo "Usage: zaptel {start|stop|restart|reload}"
exit 1
esac
exit $RETVAL
|