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#!/bin/bash
cd $(dirname $0)
DIR=$(pwd)
PID_DIR=~/.sdl
if [ ! -d "$PID_DIR" ]; then
mkdir $PID_DIR
fi
CORE_PID_FILE=${PID_DIR}/core.pid
CORE_PROCESS_NAME=SDLCore
function core_start() {
if [ -f "$CORE_PID_FILE" ] && [ -n "$(ps -p $(cat $CORE_PID_FILE) -o pid=)" ]; then
echo "Core is already running"
return 1
elif [ -n "$(pgrep $CORE_PROCESS_NAME)" ]; then
echo "Core is already running outside of this script"
echo "This lingering instance can be stopped using the \"kill\" command"
return 2
else
echo "Starting SmartDeviceLinkCore"
LD_LIBRARY_PATH=$DIR ${DIR}/smartDeviceLinkCore &
CORE_PID=$!
echo $CORE_PID > $CORE_PID_FILE
return 0
fi
}
function core_stop() {
RESULT=1
if [ -f "$CORE_PID_FILE" ] && [ -n "$(ps -p $(cat $CORE_PID_FILE) -o pid=)" ]; then
echo "Stopping SmartDeviceLinkCore"
CORE_PID=$(cat $CORE_PID_FILE)
kill $CORE_PID
# If Core doesn't close normally within 10 seconds, force-close it
timeout 10s tail --pid=$CORE_PID -f /dev/null
if [ -n "$(ps -p $CORE_PID -o pid=)" ]; then
echo "Core did not shut down properly, force-killing"
kill -9 $CORE_PID
fi
RESULT=0
fi
if [ -f "$CORE_PID_FILE" ]; then
rm $CORE_PID_FILE
fi
return $RET
}
if [ x$1 == xstop ]; then
core_stop
if [ ! "$?" -eq 0 ]; then
echo "Core is not running (or was started outside of this script)"
fi
elif [ x$1 == xrestart ]; then
core_stop
if [ "$?" -eq 0 ]; then
core_start
else
echo "Core is not running (or was started outside of this script)"
fi
elif [ x$1 == xstart ]; then
core_start
elif [ x$1 == xkill ]; then
core_stop
if [ -n "$(pgrep $CORE_PROCESS_NAME)" ]; then
echo "Killing all lingering instances of SDL Core"
killall -9 $CORE_PROCESS_NAME
fi
else
echo "usage: core.sh [start/restart/stop/kill]"
fi
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