dahdi-tools/xpp/waitfor_xpds

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#! /bin/sh
# waitfor_xpds: wait until all Astribanks were initialized
# $Id$
# Written by Oron Peled <oron@actcom.co.il>
# Copyright (C) 2008-2009, Xorcom
#
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
set -e
# For lab testing
mydir=`dirname $0`
PATH="${mydir}:${PATH}"
XPP_WAIT_AB_TIMEOUT=100
[ -r /etc/dahdi/init.conf ] && . /etc/dahdi/init.conf
ab_list() {
find /sys/devices -name idVendor 2>/dev/null | \
xargs grep -H 'e4e4' 2>/dev/null | \
sed -e 's/idVendor.*/idProduct/' | xargs grep -H '11[3456]' | \
sed 's,/[^/]*$,,' || :
}
ab_serial_nums() {
for i in `ab_list`; do
s=`cat "$i/serial" 2>/dev/null` || :
if [ "$s" = '' ]; then
echo "NO-SERIAL"
else
echo "$s"
fi
done | sort -u || :
}
detected_serial_nums() {
for i in `ls -1d /sys/bus/astribanks/devices/*/transport 2>/dev/null`; do
s=`cat "$i/serial" 2>/dev/null` || :
if [ "$s" = '' ]; then
echo "NO-SERIAL"
else
echo "$s"
fi
done | sort -u || :
}
calc_union() {
echo "$@" | tr -s ' ' '\n' | sort -u
}
detected_ab_list() {
# Only check /sys info (don't use /proc anymore).
find /sys/bus/astribanks/devices/*/ -name waitfor_xpds 2> /dev/null || :
}
waitfor_ab_initialization() {
oldab=''
while
if ! ab=`detected_ab_list`; then
exit 1
fi
test "$oldab" != "$ab"
do
if [ "$ab" = '' ]; then
echo >&2 "Astribanks disappeared"
break
fi
oldab="$ab"
cat $ab
#echo -n 1>&2 "_"
done
}
# Any hardware?
if ! dahdi_hardware="`which dahdi_hardware 2>/dev/null`"; then
echo >&2 "$0: Missing dahdi_hardware"
exit 0
fi
# Just make sure
if [ "`$dahdi_hardware | grep xpp_usb`" != "" ]; then
astribank_is_starting -v -a
fi
if ! astribank_is_starting; then
# No Astribanks ever seen -- nothing to do
exit 0
fi
# Sanity check
for i in `ab_list`; do
s=`cat "$i/serial" 2>/dev/null` || :
if [ "$s" = '' ]; then
echo >&2 "WARNING! Astribank without serial number: $i"
fi
done
serial_nums=`ab_serial_nums`
# Loop until detected (hopefully) all astribanks and they are initialized
echo -n 1>&2 "Astribanks detection "
tries="$XPP_WAIT_AB_TIMEOUT"
last_detected=0
while
new_serial_nums=`ab_serial_nums`
detected_serial_nums=`detected_serial_nums`
curr_union=`calc_union $curr_union $serial_nums $new_serial_nums`
num_detected=`detected_ab_list | wc -l`
if [ "$num_detected" != "$last_detected" ]; then
# Visual feedback (number of detected AB so far)
echo -n 1>&2 "[$num_detected]"
last_detected="$num_detected"
waitfor_ab_initialization > /dev/null
fi
# Break only when we have something and it's stable
test "$curr_union" != "$detected_serial_nums" -o "$detected_serial_nums" = ''
do
if [ "$tries" -le 0 ]; then
echo 1>&2 "TIMEOUT"
exit 1
fi
echo -n 1>&2 "."
sleep 1
: $((tries-=1))
serial_nums="$new_serial_nums"
done
# Finished: Show a nice output
echo ""
cat /sys/bus/astribanks/devices/*/waitfor_xpds 2> /dev/null || :
# Wait for device to stabilize and XPD's to finish initalizations
echo 1>&2 "Astribanks initializing spans"
if [ "$XPP_HOTPLUG_DAHDI" = yes -a "$CALLED_FROM_ATRIBANK_HOOK" = '' -a \
"$ASTERISK_SUPPORTS_DAHDI_HOTPLUG" != 'yes' ]; then
if [ -f /etc/dahdi/xpp_order ]; then
# Now we can wait until the hotplug run would remove the semaphore
echo -n 1>&2 "Other DAHDI initializations... "
astribank_is_starting -v -w 1>&2
else
echo 1>&2 "WARNING: No ASTERISK_SUPPORTS_DAHDI_HOTPLUG" \
" and no /etc/dahdi/xpp_order"
fi
fi
# All Astribanks initialized -- remove semaphore
astribank_is_starting -v -r 1>&2