milis/talimatname/genel/cjdns/cjdns.sh

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2016-07-01 00:34:22 +02:00
#!/usr/bin/env bash
#
# You may redistribute this program and/or modify it under the terms of
# the GNU General Public License as published by the Free Software Foundation,
# either version 3 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, see <http://www.gnu.org/licenses/>.
###
# cjdns.sh
#
# Copy this script to the desired location, then add the following to the cjdns user's crontab
# */5 * * * * /path/to/cjdns.sh check >>/dev/null 2>>/dev/null
#
# Start cjdns if it isn't already running (and set the above cronjob to restart failed processes):
# ./cjdns.sh start
#
# Stop cjdns if it's currently running (and set the above cronjob not to restart failed processes):
# ./cjdns.sh stop
#
# Check whether cjdns is currently running:
# ./cjdns.sh status
#
# Restart cjdns after upgrades and changes to the config:
# ./cjdns.sh restart
##
if [ -f /etc/default/cjdns ]; then
. /etc/default/cjdns
fi
# path to the cjdns source tree, no trailing slash
if [ -z "$CJDPATH" ]; then CJDPATH=`dirname $0`; fi
# full path to the cjdroute binary
if [ -z "$CJDROUTE" ]; then CJDROUTE="${CJDPATH}/cjdns/cjdroute"; fi
# full path to the configuration file
if [ -z "$CONF" ]; then CONF="${CJDPATH}/cjdroute.conf"; fi
# path to the log file.
if [ -z "$LOGTO" ]; then LOGTO="/dev/null"; fi
load_pid()
{
PID=$(pgrep -d " " -f "$CJDROUTE")
}
load_pid
stop()
{
if [ -z "$PID" ]; then
echo "cjdns is not running"
return 1
else
kill $PID &> /dev/null
while [ -n "$(pgrep -d " " -f "$CJDROUTE")" ]; do
echo "* Waiting for cjdns to shut down..."
sleep 1;
done
if [ $? -gt 0 ]; then return 1; fi
fi
}
start()
{
if [ -z "$PID" ]; then
[ -e "$CONF" ] || $CJDROUTE --genconf > $CONF
$CJDROUTE < $CONF &>> $LOGTO
if [ $? -gt 0 ]; then
echo "Failed to start cjdns"
return 1
fi
else
echo "cjdns is already running"
return 1
fi
}
status()
{
echo -n "* cjdns is "
if [ -z "$PID" ]; then
echo "not running"
exit 1
else
echo "running"
exit 0
fi
}
update()
{
if [ -d ${CJDPATH}/cjdns/.git ]; then
cd ${CJDPATH}/cjdns
git pull
./do || echo "Failed to update!" && exit 1
echo "* Update complete, restarting cjdns"
stop
load_pid
start
else
echo "The cjdns source directory does not exist"
return 1
fi
}
case "$1" in
"start" )
start
;;
"restart" )
stop
load_pid
start
;;
"stop" )
stop
;;
"status" )
status
;;
"check" )
ps aux | grep -v 'grep' | grep 'cjdns core' > /dev/null 2>/dev/null || start
;;
"update" )
update
;;
*)
echo "usage: $0 {start|stop|restart|check|update}"
esac