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|
#!/bin/bash
cd $(dirname $0)
COMMAND=$1
EXTERNAL_POLICIES=$2
DIR=$(pwd)
CORE_PID_FILE=${DIR}/core.pid
CORE_APPLICATION_NAME=smartDeviceLinkCore
PM_PID_FILE=${DIR}/policy_manager.pid
PM_APPLICATION_NAME=sample_policy_manager.py
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 -f $CORE_APPLICATION_NAME)" ]; then
echo "Core is already running outside of this script"
echo "All instances of Core can be stopped using the \"kill\" command"
return 2
else
echo "Starting SmartDeviceLink Core"
LD_LIBRARY_PATH=$DIR ${DIR}/${CORE_APPLICATION_NAME} &
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 $CORE_PID_FILE) -o pid=)" ]; then
echo "Stopping SmartDeviceLink Core"
CORE_PID=$(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 $RESULT
}
function pm_install_dependencies() {
pip3 list | grep -F tornado > /dev/null
if [ $? -eq 1 ]; then
echo "Installing tornado python package"
sudo -H pip3 install tornado
fi
}
function pm_start() {
if [ -f "$PM_PID_FILE" ] && [ -n "$(ps -p $(cat $PM_PID_FILE) -o pid=)" ]; then
echo "Policy Server is already running"
return 1
elif [ -n "$(pgrep -f $PM_APPLICATION_NAME)" ]; then
echo "Policy Server is already running outside of this script"
echo "All instances of Core can be stopped using the \"kill\" command"
return 2
else
pm_install_dependencies
echo "Starting Policy Manager"
python3 ${DIR}/${PM_APPLICATION_NAME} --pack_port 8088 --unpack_port 8089 --add_http_header --encryption &
PM_PID=$!
echo $PM_PID > $PM_PID_FILE
return 0
fi
}
function pm_stop() {
RESULT=1
if [ -f "$PM_PID_FILE" ] && [ -n "$(ps -p $(cat $PM_PID_FILE) -o pid=)" ]; then
echo "Stopping Policy Manager"
kill -INT $(cat $PM_PID_FILE)
kill -9 $(cat $PM_PID_FILE)
RESULT=0
fi
# Clear PID regardless of whether the process was running or not
if [ -f "$PM_PID_FILE" ]; then
rm $PM_PID_FILE
fi
return $RESULT
}
if [ "$COMMAND" == "stop" ]; then
core_stop
if [ "$?" -ne 0 ]; then
echo "Core is not running (or was started outside of this script)"
fi
if [ "$EXTERNAL_POLICIES" == "true" ]; then
pm_stop
if [ "$?" -ne 0 ]; then
echo "Policy Server is not running (or was started outside of this script)"
fi
fi
elif [ "$COMMAND" == "restart" ]; then
core_stop
if [ "$?" -eq 0 ]; then
core_start
else
echo "Core is not running (or was started outside of this script)"
fi
if [ "$EXTERNAL_POLICIES" == "true" ]; then
pm_stop
if [ "$?" -eq 0 ]; then
pm_start
else
echo "Policy Server is not running (or was started outside of this script)"
fi
fi
elif [ "$COMMAND" == "start" ]; then
core_start
if [ "$EXTERNAL_POLICIES" == "true" ]; then
pm_start
fi
elif [ "$COMMAND" == "kill" ]; then
core_stop
pkill -9 -f $CORE_APPLICATION_NAME
if [ "$?" -eq 0 ]; then
echo "Killed all lingering instances of SDL Core"
fi
if [ "$EXTERNAL_POLICIES" == "true" ]; then
pm_stop
pkill -9 -f $PM_APPLICATION_NAME
if [ "$?" -eq 0 ]; then
echo "Killed all lingering instances of the Policy Server"
fi
fi
else
echo "usage: daemon.sh [start/restart/stop/kill] [use_sample_policy_manager?]"
fi
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