794c8eb048
Fixes a regression since 949ea4ca9f
(2.7.0) - allows using an Astribank with no serial.
* Some of the olderst Astribanks don't have a serial number burned in
them. Thus there is no serial attribute for the sysfs USB device node.
* waitfor_xpds identifies the Astribanks by their serial numbers.
* An lone Astribank without serial number would thus block waitfor_xpds
(until timeout).
* Now we warn about them.
* We also try to handle it gracefully. As long as there's only one
of thease, it would be counted as "NO-SERIAL".
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
162 lines
4.0 KiB
Bash
Executable File
162 lines
4.0 KiB
Bash
Executable File
#! /bin/sh
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# waitfor_xpds: wait until all Astribanks were initialized
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# $Id$
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# Written by Oron Peled <oron@actcom.co.il>
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# Copyright (C) 2008-2009, Xorcom
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#
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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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set -e
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# For lab testing
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mydir=`dirname $0`
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PATH="${mydir}:${PATH}"
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XPP_WAIT_AB_TIMEOUT=100
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[ -r /etc/dahdi/init.conf ] && . /etc/dahdi/init.conf
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ab_list() {
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find /sys/devices -name idVendor 2>/dev/null | \
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xargs grep -H 'e4e4' 2>/dev/null | \
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sed -e 's/idVendor.*/idProduct/' | xargs grep -H '11[3456]' | \
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sed 's,/[^/]*$,,' || :
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}
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ab_serial_nums() {
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for i in `ab_list`; do
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s=`cat "$i/serial" 2>/dev/null` || :
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if [ "$s" = '' ]; then
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echo "NO-SERIAL"
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else
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echo "$s"
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fi
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done | sort -u || :
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}
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detected_serial_nums() {
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for i in /sys/bus/astribanks/devices/*/transport; do
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s=`cat "$i/serial" 2>/dev/null` || :
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if [ "$s" = '' ]; then
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echo "NO-SERIAL"
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else
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echo "$s"
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fi
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done | sort -u || :
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}
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calc_union() {
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echo "$@" | tr -s ' ' '\n' | sort -u
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}
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detected_ab_list() {
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# Only check /sys info (don't use /proc anymore).
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find /sys/bus/astribanks/devices/*/ -name waitfor_xpds 2> /dev/null || :
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}
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waitfor_ab_initialization() {
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oldab=''
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while
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if ! ab=`detected_ab_list`; then
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exit 1
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fi
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test "$oldab" != "$ab"
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do
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if [ "$ab" = '' ]; then
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echo >&2 "Astribanks disappeared"
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break
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fi
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oldab="$ab"
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cat $ab
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#echo -n 1>&2 "_"
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done
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}
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# Any hardware?
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if ! dahdi_hardware="`which dahdi_hardware 2>/dev/null`"; then
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echo >&2 "$0: Missing dahdi_hardware"
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exit 0
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fi
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if ! astribank_is_starting="`which astribank_is_starting 2>/dev/null`"; then
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echo >&2 "$0: Missing astribank_is_starting"
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exit 0
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fi
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if [ "`$dahdi_hardware | grep xpp_usb`" != "" ]; then
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astribank_is_starting -v -a
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fi
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if ! astribank_is_starting; then
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exit 0
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fi
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# Sanity check
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for i in `ab_list`; do
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s=`cat "$i/serial" 2>/dev/null` || :
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if [ "$s" = '' ]; then
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echo >&2 "WARNING! Astribank without serial number: $i"
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fi
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done
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serial_nums=`ab_serial_nums`
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# Loop until detected (hopefully) all astribanks and they are initialized
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echo -n 1>&2 "Astribanks detection "
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tries="$XPP_WAIT_AB_TIMEOUT"
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last_detected=0
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while
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new_serial_nums=`ab_serial_nums`
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detected_serial_nums=`detected_serial_nums`
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curr_union=`calc_union $curr_union $serial_nums $new_serial_nums`
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num_detected=`detected_ab_list | wc -l`
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if [ "$num_detected" != "$last_detected" ]; then
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# Visual feedback (number of detected AB so far)
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echo -n 1>&2 "[$num_detected]"
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last_detected="$num_detected"
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waitfor_ab_initialization > /dev/null
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fi
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# Break only when we have something and it's stable
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test "$curr_union" != "$detected_serial_nums" -o "$detected_serial_nums" = ''
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do
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if [ "$tries" -le 0 ]; then
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echo 1>&2 "TIMEOUT"
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exit 1
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fi
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echo -n 1>&2 "."
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sleep 1
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: $((tries-=1))
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serial_nums="$new_serial_nums"
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done
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# Finished: Show a nice output
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echo ""
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cat /sys/bus/astribanks/devices/*/waitfor_xpds 2> /dev/null || :
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# Wait for device to stabilize and XPD's to finish initalizations
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echo 1>&2 "Astribanks initializing spans"
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if [ "$XPP_HOTPLUG_DAHDI" = yes ]; then
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if [ "$CALLED_FROM_ATRIBANK_HOOK" = '' ]; then
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# Now we can wait until the hotplug run would remove the semaphore
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echo -n 1>&2 "Other DAHDI initializations... "
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astribank_is_starting -v -w 1>&2
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fi
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else
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# Non-hotplug -- Sequential initialization, remove semaphore
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astribank_is_starting -v -r 1>&2
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fi
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