s390-tools/hsnc

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#! /bin/sh
# Copyright (c) 2003 SUSE LINUX AG Nuernberg, Germany.
#
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/hsnc
#
# and symbolic its link
#
# /usr/sbin/ip_watcher.pl
# /usr/sbin/xcec-bridge
# /usr/sbin/start_hsnc.sh
# /use/sbin/rchsnc
#
# System startup script for the HiperSockets Network Concentrator
#
# /etc/hsnc.conf should contain the following lines:
#
# operating_mode=[unicast|full|no]
# unicast means, only unicast forwarded between the hsint's and osaint's.
# this is the default mode
# full means, unicast, multicast and broadcast are forwarded, if supported
# by the hardware
#
# hsi_int="<interface> [<interface> [...]]"
# described all the HiperSockets interfaces involved in the HSN
#
# osa_int="<interface>"
# describes the OSA interface connecting to other LANs
#
START_HSNC_BIN=/usr/sbin/start_hsnc.sh
IP_WATCHER_BIN=/usr/sbin/ip_watcher.pl
XCEC_BRIDGE_BIN=/usr/sbin/xcec-bridge
HSNC_CONFIG_FILE=/etc/sysconfig/hsnc
HSNC_CLEANUP_FILE=/var/run/hsnc.cleanup
test -x $START_HSNC_BIN || exit 5
test -x $IP_WATCHER_BIN || exit 5
test -x $XCEC_BRIDGE_BIN || exit 5
# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.
#call with cleanup or not
read_config_file() {
if [ "$1" == "cleanup" ]; then
file=$HSNC_CLEANUP_FILE
else
file=$HSNC_CONFIG_FILE
fi
if [ -s $file ]; then
source $file
else
echo -ne "\nCannot read $file: empty or nonexistant! "
# Means not configured:
exit 3
fi
}
#call with cleanup or not
set_osa_mode() {
# for full mode, we set up the osa as multicast router. otherwise, no
# special setup is required for the osa.
if [ "$operating_mode" == "full" ]; then
if [ "$1" == "cleanup" ]; then
echo no_router > /sys/class/net/$osa_int/device/route4
else
echo multicast_router > /sys/class/net/$osa_int/device/route4
fi
fi
}
#call with cleanup or not
set_hsi_mode() {
# set all the involved HiperSockets interfaces as primary_connector. For
# special HA setups, some more tweaking is needed, but then a handcarved
# solution should be used anyway.
for i in $hsi_int ; do
if [ "$1" == "cleanup" ]; then
echo no_router > /sys/class/net/$i/device/route4
else
echo primary_connector > /sys/class/net/$i/device/route4
fi
done
}
do_start_hsnc() {
set_osa_mode
set_hsi_mode
if [ "$operating_mode" == "full" ]; then
$IP_WATCHER_BIN --check
else
$IP_WATCHER_BIN --check $osa_int
fi
CODE=$?
if [ $CODE != 0 ]; then
return $CODE
else
cp $HSNC_CONFIG_FILE $HSNC_CLEANUP_FILE
#
# To match the LSB spec, startproc returns 0,
# even if the program it already running.
#
if [ "$operating_mode" == "full" ]; then
startproc $START_HSNC_BIN
else
startproc $START_HSNC_BIN $osa_int
fi
return $?
fi
}
service="HiperSockets Network concentrator"
case "$1" in
start)
if checkproc $START_HSNC_BIN; then
# Starting an already running service is success:
echo -n "(already running)"
else
if read_config_file; then
do_start_hsnc
RETVAL=$?
exit $RETVAL
fi
fi
;;
stop)
echo -n "Shutting down $service "
# kill ip_watcher, start_hsnc, which started it needs cleans up
# then:
killproc -TERM $IP_WATCHER_BIN
if [ -f $HSNC_CLEANUP_FILE ]; then
read_config_file cleanup
# remove all connector settings(not yet implemented):
set_osa_mode cleanup
set_hsi_mode cleanup
# remove the file in /var/run
rm -f $HSNC_CLEANUP_FILE
else
echo -n "- no cleanup file found "
fi
;;
status)
echo -n "Checking $service "
## Check status with checkproc(8), if process is running
## checkproc will return with exit status 0.
# Status has a slightly different for the status command:
# 0 - service running
# 1 - service dead, but /var/run/ pid file exists
# 2 - service dead, but /var/lock/ lock file exists
# 3 - service not running
# NOTE: checkproc returns LSB compliant status values.
checkproc $START_HSNC_BIN
;;
*)
exit 1
;;
esac