mirror of
https://github.com/elisspace/rtinst.git
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245 lines
6.3 KiB
Bash
245 lines
6.3 KiB
Bash
#!/bin/bash
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######################################################################
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#
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# Copyright (c) 2015 arakasi72 (https://github.com/arakasi72)
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# --> Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
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#
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######################################################################
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# rTorrent Stop/Start/Restart
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PATH=/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/bin:/sbin
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FILE="$HOME/rtorrent/.session/rtorrent.lock"
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SERVICE='rtorrent'
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SERVICEB='irssi'
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RTPID=$(pgrep -fx -u $LOGNAME $SERVICE)
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# Sets default status can be askkill, autokill, or donotkill
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KILLSTATUS='askkill'
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KILLSIGNAL='-2'
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RTLOG="/dev/null"
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loglines=500
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useerr=0
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LOGFLAG=0
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helpflag=1
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# write log file
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log_header() {
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RTLOG="$HOME/rt.log"
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echo >> $RTLOG
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date >> $RTLOG
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echo "$0 $@" >> $RTLOG
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if [ $(cat "$RTLOG" | wc -l) -gt $loglines ]; then
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tail -$loglines "$RTLOG" > $HOME/rt.temp
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cat $HOME/rt.temp > $RTLOG
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rm -f $HOME/rt.temp
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fi
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}
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# function to check if service is running
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service_running(){
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pgrep -fx -u $LOGNAME $SERVICE > /dev/null
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}
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# function to ask user for y/n response
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ask_user(){
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if [ -t 1 ]; then
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while true
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do
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read -p "Unable to close $SERVICE, close using kill -9? " answer
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case $answer in [Yy]* ) return 0 ;;
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[Nn]* ) return 1 ;;
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* ) echo "Enter y or n";;
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esac
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done
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else
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echo "Running in background -a auto response is y" >> $RTLOG
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return 0
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fi
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}
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# function that starts service
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start_service(){
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local seconds=0
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if [ $SERVICE = "rtorrent" ]; then
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if [ -a $FILE ]; then
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echo "removing $FILE" | tee -a "$RTLOG"
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rm -f $FILE
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else
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echo "No session lock file" | tee -a "$RTLOG"
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fi
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fi
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echo -n "Starting $SERVICE"
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screen -d -m -S $SERVICE $SERVICE
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while ! (service_running)
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do
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seconds=$(( $seconds + 1 ))
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echo -n "."
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sleep 1
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if [ $seconds = 10 ]; then
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echo
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return 1
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fi
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done
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echo
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return 0
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}
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# function that stops service
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stop_service(){
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local seconds=0
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echo -n "$SERVICE shutting down using kill $1"
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kill $1 $RTPID
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while ( service_running )
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do
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seconds=$(( $seconds + 1 ))
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echo -n " ."
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sleep 1
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if [ $seconds = 20 ]; then
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echo
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return 1
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fi
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done
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echo
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return 0
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}
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# reports any usage error
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usage_error() {
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echo "usage: [-h] [-a|-k|-d] [-l] [start | stop | restart]" | tee -a "$RTLOG"
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if [ $1 = 1 ]; then
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echo "only one of the options -a -k -d allowed" | tee -a "$RTLOG"
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elif [ $1 = 2 ]; then
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echo "incorrect option used" | tee -a "$RTLOG"
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elif [ $1 = 3 ]; then
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echo "incorrect argument used" | tee -a "$RTLOG"
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elif [ $1 = 4 ]; then
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echo "too many arguments, only 1 argument allowed" | tee -a "$RTLOG"
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fi
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exit 1
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}
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# prints usage help to screen
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usage_help() {
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echo "usage: [-h] [-i] [-a|-k|-d] [-l] [start | stop | restart]"
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echo "options:"
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echo " -h usage help display"
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echo " -i sets service to $SERVICEB"
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echo " -l send results to log file (~/rt.log)"
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echo " -a if unable to close $SERVICE ask user whether to use kill -9"
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echo " -k if unable to close $SERVICE use kill -9"
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echo " -d if unable to close $SERVICE do not use kill -9"
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echo "arguments:"
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echo " start starts $SERVICE"
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echo " stop stops $SERVICE"
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echo " restart first stops and then starts $SERVICE"
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exit 0
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}
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# Check for options
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while getopts ":hlikad" optname
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do
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case $optname in
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"k" )[[ -n $OPTFLAG ]] && useerr=1 || KILLSTATUS='autokill' && OPTFLAG=1 ;;
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"a" )[[ -n $OPTFLAG ]] && useerr=1 || KILLSTATUS='askkill' && OPTFLAG=1 ;;
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"d" )[[ -n $OPTFLAG ]] && useerr=1 || KILLSTATUS='donotkill' && OPTFLAG=1 ;;
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"i" ) SERVICE=$SERVICEB && RTPID=$(pgrep -fx -u $LOGNAME $SERVICE) ;;
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"l" ) LOGFLAG=1 ;;
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"h" ) helpflag=0 ;;
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* ) useerr=2 ;;
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esac
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done
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if [ $helpflag = 0 ]; then
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usage_help
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fi
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if [ $LOGFLAG = 1 ]; then
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log_header "$@"
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fi
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if [ $useerr -gt 0 ]; then
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usage_error $useerr
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fi
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shift $(( $OPTIND - 1 ))
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# Check correct arguments used
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if [ $# = 1 ]; then
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if ! [[ $1 = "stop" || $1 = "start" || $1 = "restart" ]]; then
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useerr=3
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usage_error $useerr
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fi
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fi
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# Check if there is more than 1 argument
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if [ $# -gt 1 ]; then
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useerr=4
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usage_error $useerr
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fi
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# Check if service is running
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if [ $# = 0 ]; then
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if ( service_running ); then
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echo "$SERVICE is running"
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else
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echo "$SERVICE is NOT running"
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fi
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fi
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# Stop Service
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if [[ $1 = "stop" || $1 = "restart" ]]; then
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if ! ( service_running ); then
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echo "$SERVICE was not running"
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else
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if ! ( stop_service $KILLSIGNAL ); then
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case $KILLSTATUS in
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"autokill" )
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KILLSIGNAL='-9'
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stop_service $KILLSIGNAL ;;
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"askkill" )
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if ( ask_user ); then
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KILLSIGNAL='-9'
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stop_service $KILLSIGNAL
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fi ;;
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esac
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fi
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if ( service_running ); then
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echo "WARNING unable to close $SERVICE using $KILLSIGNAL" | tee -a "$RTLOG"
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exit 1
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else
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echo "$SERVICE has been closed using kill $KILLSIGNAL" | tee -a "$RTLOG"
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fi
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fi
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fi
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# Start Service
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if [[ $1 = "start" || $1 = "restart" ]]; then
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if ( service_running ); then
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echo "$SERVICE was already running"
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else
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if ( start_service ); then
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echo "$SERVICE has been started" | tee -a "$RTLOG"
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else
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echo "WARNING: Unable to start $SERVICE" | tee -a "$RTLOG"
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fi
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fi
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fi
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echo "There were no problems encountered" >> "$RTLOG"
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