#!/bin/sh
# == Teamspeak autostarter script =====
#
# Written by Ulf Larsson / SM0LCB
#
# =====================================
#
# Add this script to crontab
# "0-59/2 * * * * $HOME/checkTeamspeakServer.sh
#
# =====================================
# Some settings

# The PID process name for the server when doing a ps command
SERVER_PID_NAME="server_linux"

# The log file for information from the script
SERVER_LOGFILE="checkTeamspeakServer.log"

# The directory there you have Teamspeak server installed
SERVER_DIRECTORY="tss2_rc2"

# The Teamspeak start script (installed with Teamspeak server)
SERVER_START="teamspeak2-server_startscript start"

# The PID process name for the client when doing a ps command
CLIENT_PID_NAME="TeamSpeak.bin"

#
#Text strings
TXT_SERVER_NOT_RUNNING="Teamspeak server PID found, server is running."
TXT_SERVER_START="Teamspeak server not running - starting now..."
TXT_SERVER_START_OK="Teamspeak server PID found, startup successful."
TXT_SERVER_START_FAIL="Teamspeak still not started - please check server.log."
TXT_CLIENT_KILLED="Teamspeak client running, killed."

#
# Set current time
TIME=`date '+%Y%m%d %H%M%S : '`

#
# Quietly check for ts process running
ps -ef | grep -v grep | grep -q $SERVER_PID_NAME

if [[ $? -eq 0 ]] # Note double [[ ]] are important!
then
        #Server is running
        echo $TIME $TXT_SERVER_NOT_RUNNING >> $SERVER_LOGFILE
        exit 0 # We can exit the script now
else
        #Server is NOT running
        echo $TIME $TXT_SERVER_START >> $SERVER_LOGFILE
        # Record current DIR
        pwd=$PWD
        # Move to Teamspeak directory
        cd $HOME/$SERVER_DIRECTORY
        # remove pid file
        rm *.pid
        # Start server
        ./$SERVER_START
        # Change back to our previous dir
        cd $pwd 
fi

# Check to see if TS has started up
#
ps -ef | grep -v grep | grep -q $SERVER_PID_NAME

if [[ $? -eq 0 ]]
then
        echo $TIME $TXT_SERVER_START_OK >> $SERVER_LOGFILE
else
        echo $TIME $TXT_SERVER_START_FAIL >> $SERVER_LOGFILE
fi

# == End of Teamspeak script ==========