a4f79134c9
Eliminates trying to add spans multiple times as seen below:
'dahdi_handle_device'[21993]: add: /devices/dynamic:loc:1
'dahdi_handle_device'[21991]: add: /devices/dynamic:loc:0
'dahdi_handle_device'[22001]: auto-assign /sys/bus/dahdi_devices/devices/dynamic:loc:0
'dahdi_handle_device'[22001]: auto-assign /sys/bus/dahdi_devices/devices/dynamic:loc:1
'dahdi_handle_device'[21999]: auto-assign /sys/bus/dahdi_devices/devices/dynamic:loc:0
'dahdi_handle_device'[21999]: auto-assign /sys/bus/dahdi_devices/devices/dynamic:loc:1
kernel: [ 3348.312534] dahdi_devices dynamic:loc:0: local span 1 is already assigned span 1
kernel: [ 3348.312552] dahdi_devices dynamic:loc:1: local span 1 is already assigned span 2
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
84 lines
2.1 KiB
Bash
Executable File
84 lines
2.1 KiB
Bash
Executable File
#! /bin/sh
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#
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# /usr/share/dahdi/dahdi_handle_device
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#
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# Called by UDEV when a dahdi device is added/removed
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#
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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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NAME=`basename "$DEVPATH" | tr -c 'A-Za-z0-9-' '_'`
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# Always redirect stderr somewhere, otherwise the shell script will die
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# when it tries to do I/O related stuff on closed file descriptor.
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# Our default is to throw it down the bit-bucket.
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exec 2> /dev/null
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# If you wish to trace this script:
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#exec 2> "/tmp/${me}.$NAME" 1>&2
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#exec 2> /dev/console
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# Our directory in the beginning, so we can use local lab setup
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PATH="$dir:/usr/sbin:/sbin:/usr/bin:/bin"
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set -e
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#echo >&2 "$0($ACTION): DEBUG($# args): '$*'"
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# Do we have a configuration?
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if [ -f /etc/dahdi/init.conf ]; then
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. /etc/dahdi/init.conf
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fi
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if [ "$DAHDI_UDEV_DISABLE_DEVICES" = 'yes' ]; then
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echo "DAHDI_UDEV_DISABLE_DEVICES=yes. Skip $DEVPATH" | $LOGGER
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exit 0
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fi
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# Can we pass a different value so we can use
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# alternate (testing) configuration?
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# Meanwhile, make it hard-coded.
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DAHDICONFDIR='/etc/dahdi'
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export DAHDICONFDIR
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case "$ACTION" in
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add)
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echo "$ACTION: $DEVPATH" | $LOGGER
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# Check if we can safely do our job
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if [ ! -f /sys/module/dahdi/parameters/auto_assign_spans ]; then
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if [ -f /sys/module/dahdi ]; then
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$LOGGER "Old driver (no auto_assign_spans parameter). Skip $DEVPATH"
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exit 0
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fi
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fi
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if [ `cat /sys/module/dahdi/parameters/auto_assign_spans` -eq 1 ]; then
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echo "auto_assign_spans=1. Skip $DEVPATH" | $LOGGER
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exit 0
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fi
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# Can have alternate dahdi configuration directory for debugging
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# export DAHDICONFDIR="/tmp/xortel/dahdi"
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# Don't block udev for too long
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(
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if [ -r "$DAHDICONFDIR/span-types.conf" ]; then
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dahdi_span_types set "/sys$DEVPATH"
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fi
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if [ -r "$DAHDICONFDIR/assigned-spans.conf" ]; then
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dahdi_span_assignments add "/sys$DEVPATH"
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else
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# No configuration. No order guaranteed
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dahdi_span_assignments auto "/sys$DEVPATH"
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fi
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) 2>&1 < /dev/null | $LOGGER &
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;;
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remove)
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# Nothing to do yet...
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echo "$ACTION: $DEVPATH" | $LOGGER
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;;
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*)
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echo "UNHANDLED: $ACTION: $DEVPATH" | $LOGGER
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;;
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esac
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