f2152481e9
* Silently exit right away if user did not set XPP_HOTPLUG_DAHDI.
* Only one Astribank should be allowed to run the startup script:
- Protect that section with a "lock" (symlinking a file).
- Sadly we can't rely on /run and may have to wait for a r/w file-system.
- And thus even this waiting needs to be run in the background
as to not hold udev.
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@10068 17933a7a-c749-41c5-a318-cba88f637d49
137 lines
3.3 KiB
Bash
Executable File
137 lines
3.3 KiB
Bash
Executable File
#! /bin/sh
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me=`basename $0`
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dir=`dirname $0`
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LOGGER="logger -i -t '$me'"
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# Always redirect stderr somewhere, otherwise the shell script will die
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# when it tries to do I/O related stuff on closed file descriptor.
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# Our default is to throw it down the bit-bucket.
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#exec 2> /dev/console
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## If you wish to trace this script:
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#exec 2> "/tmp/${me}_$XBUS_NAME" 1>&2
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# Our directory in the beginning, so we can use local lab setup
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PATH="$dir:/usr/sbin:/sbin:/usr/bin:/bin"
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set -e
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[ -r /etc/dahdi/init.conf ] && . /etc/dahdi/init.conf
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# For lab testing
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liveconf="$dir/liveconf/dahdi"
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if [ -d "$liveconf" ]; then
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dahdi_conf="$liveconf"
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else
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dahdi_conf="/etc/dahdi"
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fi
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if [ "$XPP_HOTPLUG_DAHDI" != yes ]; then
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exit 0
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fi
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export XPPORDER_CONF="$dahdi_conf/xpp_order"
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if [ ! -r "$XPPORDER_CONF" ]; then
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(
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echo "Skip($ACTION): No '$XPPORDER_CONF'"
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echo "Removing uneeded startup semaphore"
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astribank_is_starting -v -r 2>&1
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) 2>&1 | $LOGGER
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exit 0
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fi
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export DAHDI_CFG_CMD="dahdi_cfg -c $dahdi_conf/system.conf"
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export CALLED_FROM_ATRIBANK_HOOK=yes
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clean_lines() {
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sed -e 's/#.*//' -e 'y/\t/ /' -e 's/^ *//' -e 's/ *$//' -e '$s/$/\n/' "$XPPORDER_CONF"
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}
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matched_devices() {
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ready=`grep -H READY /sys/bus/astribanks/devices/*/xbus_state | sed 's,/xbus_state.*,,'`
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for dev in $ready
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do
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label=`cat "$dev/label"`
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connector=`cat "$dev/connector"`
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xbus=`echo "$dev" | sed 's,.*/,,'`
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lineno=`clean_lines | egrep -n "^${label}$|^@${connector}$" | cut -d: -f1`
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if [ "$lineno" != "" ]; then
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#echo "$xbus: $XPPORDER_CONF:$lineno -- Match ${label} @${connector}" | $LOGGER
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printf "${xbus}\t${label}\n"
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else
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echo "${xbus}: ${label} @${connector} not found in $XPPORDER_CONF: Ignore($ACTION)" | $LOGGER
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fi
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done
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}
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NUM_WANTED=`clean_lines | sed '/^$/d' | wc -l`
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NUM_GOOD=`matched_devices | wc -l`
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LOCK="/var/lock/twinstar_startup"
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start_dahdi() {
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script=/etc/init.d/dahdi
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echo "Starting $script."
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"$script" start | logger -i -t "$script"
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status=$?
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echo "Status($script): $status"
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if [ -x "$dir/twinstar_hook" ]; then
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"$dir/twinstar_hook"
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fi
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# Finished astribanks
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echo "Removing semaphore"
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astribank_is_starting -v -r
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rm -f "$LOCK"
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}
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#echo "$0: $ACTION($XBUS_NAME)" | $LOGGER
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case "$ACTION" in
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add)
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;;
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remove)
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;;
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online)
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echo "$ACTION($XBUS_NAME): $NUM_GOOD/$NUM_WANTED from $XPPORDER_CONF" | $LOGGER
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if [ "$NUM_GOOD" -eq "$NUM_WANTED" ]; then
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(
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# Delay the initialization of the Astribank until the filesystem
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# is mounted read-write:
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test_file="/var/lock/astribank_test_file"
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for i in `seq 1 20`; do
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if touch $test_file 2> /dev/null; then
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rm -f $test_file
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break
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else
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echo "$0: [$i] - Failed writing '$test_file'...waiting" | $LOGGER
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sleep 1;
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fi
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done
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if ln -s "$XBUS_NAME" "$LOCK"; then
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echo "START-DAHDI: Total $NUM_GOOD online." | $LOGGER
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# Fork services
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start_dahdi < /dev/null 2>&1 | $LOGGER
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else
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echo "$0: Was started: $(ls -l $LOCK)" | $LOGGER
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fi
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) < /dev/null 2>&1 | $LOGGER &
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fi
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;;
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offline)
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echo "$ACTION($XBUS_NAME): $NUM_GOOD/$NUM_WANTED from $XPPORDER_CONF" | $LOGGER
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if [ "$NUM_GOOD" -eq 0 ]; then
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echo "All Astribanks offline" | $LOGGER
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if [ -x "$dir/twinstar_hook" ]; then
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"$dir/twinstar_hook" || :
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fi
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rm -f "$LOCK"
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fi
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;;
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*)
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echo "$0: Unknown ACTION='$ACTION'" | $LOGGER
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echo "$0: ARGS='$*'" | $LOGGER
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echo "$0: ENV:" | $LOGGER
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env | $LOGGER
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exit 1
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esac
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