Topic: NXT :: descendant of Bitcoin - Updated Information - page 1492. (Read 2761645 times)

#! /bin/bash

### BEGIN INIT INFO
# Provides:          nxt
# Required-Start:    $local_fs $remote_fs $network $syslog $named $ntp $sshd
# Required-Stop:     
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop NXT server
# Description:       NXT protocol server
### END INIT INFO

if [ `id -u` != "0" ] && [ "$1" = "start" -o "$1" = "stop" ] ; then
  echo "You must be root to start/stop nxt."
  exit 1
fi

# Settings
nxtdir=/home/pi/nxt
nxt=start.jar
java=/usr/bin/java
nxtpid=/var/run/nxt.pid
nxtlog=/var/log/nxt.log
nxtuser=pi
nxtgroup=pi
nxtnice=6
timeout=600
# end Settings

# check for exist files and dirs
test -d $nxtdir || exit 0
test -f $nxtdir/$nxt || exit 0
test -f $java || exit 0

# make sure $nxtdir is ours!
chown -R $nxtuser:$nxtgroup $nxtdir

. /lib/lsb/init-functions

case "$1" in
    start)
log_daemon_msg "Starting NXT server..." "nxt " || true

# check if server is running
        if [ -e $nxtpid ]; then
            pid=`cat $nxtpid`
            var=`ps -p$pid | wc -l`

            if [ $var -lt "2" ]; then
# clear logfile
echo -n > $nxtlog
            else
echo -n "Server is already running!"
log_end_msg 0 || true
exit 0
            fi
        fi

# n minute timeout.
sleep $timeout &
timerPid=$!

# check log file and generate status-msg; will be killed when server is started or timeout hit
tail -q -n0 -F --pid=$timerPid $nxtlog 2> /dev/null | while read line; do

if echo $line | grep -q  "Loading transactions..."; then
echo -n "Loading transactions..."
elif echo $line | grep -q  "Loading blocks..."; then
echo -n "Loading blocks..."
elif echo $line | grep -q  "Scanning blockchain..."; then
echo -n "Scanning blockchain..."
fi

if echo $line | grep -q  "Exception"; then
echo -n "Java Exception! Blockchain corrupt? Killing process..."
log_end_msg 1 || true
kill -9 `cat $nxtpid` > /dev/null 2>&1
# stop the timer..
kill $timerPid > /dev/null 2>&1
fi

if echo $line | grep -q  "started successfully."; then
echo -n "Server started!"
log_end_msg 0 || true
# stop the timer..
kill $timerPid > /dev/null 2>&1
fi
done &

# start server
if start-stop-daemon --start --name nxt --nicelevel $nxtnice --chuid $nxtuser:$nxtgroup --pidfile $nxtpid -m --chdir $nxtdir --exec $java >> $nxtlog -- -Xms250m -Xmx350m -jar $nxt STOP.PORT=7873 STOP.KEY=0815 2>&1 >> $nxtlog & then
# wait for the timer to expire (or be killed)
wait %sleep > /dev/null 2>&1
else
log_end_msg 1 || true
fi
        ;;
    stop)
log_daemon_msg "Stopping NXT server..." "nxt " || true

# check if server is running
        if [ -e $nxtpid ]; then
            pid=`cat $nxtpid`
            var=`ps -p$pid | wc -l`

            if [ $var -lt "2" ]; then
echo -n "Server not running!"
log_end_msg 0 || true
exit 0
            fi
else
echo -n "Server not running!"
log_end_msg 0 || true
exit 0
        fi

# n minute timeout.
sleep $timeout &
timerPid=$!

# check log file and generate status-msg; will be killed when server is stopped or timeout hit
tail -q -n0 -F --pid=$timerPid $nxtlog 2> /dev/null | while read line; do
if echo $line | grep -q  "Saved blocks.nxt"; then
echo -n ".saving blockchain files, this will take a while...Saved blocks.nxt..."
fi
if echo $line | grep -q  "Saved transactions.nxt"; then
echo -n "Saved transactions.nxt..."
fi

if echo $line | grep -q  "stopped."; then
echo -n "Server stopped!"
log_end_msg 0 || true
# stop the timer..
kill $timerPid
fi
done &

if start-stop-daemon --start --name nxt_stop --chdir $nxtdir --exec $java 2>&1 >> $nxtlog -- -jar $nxt --stop STOP.PORT=7873 STOP.KEY=0815 2>&1 >> $nxtlog & then
# wait for the timer to expire (or be killed)
wait %sleep > /dev/null 2>&1
rm $nxtpid  > /dev/null 2>&1
else
log_end_msg 1 || true
fi
        ;;

    restart)
$0 stop
sleep 1
$0 start
;;
    *)
        echo "usage:`basename $0` start | stop | restart"
        exit 1
        ;;
esac