#!/bin/sh
# == Teamspeak client autostarter script =====
#
# Written by Ulf Larsson / SM0LCB
#
# =====================================
#
# Add to crontab
# "1-59/2 * * * * $HOME/check_teamSpeak_client.sh"
#
# =====================================
# Some settings

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

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

# The directory there you have Teamspeak server installed
PID_PWD="TeamSpeak2RC2"

# The script starting Teamspeak client
PID_RUN="start_teamspeak_client.sh"

# The log file
LOGFILE="checkTeamSpeakClient.log"

#Text information data
TXT_SERVER_NOT_RUNNING="TeamSpeak sever is NOT running."
TXT_CLIENT_IS_RUNNING="TeamSpeak client is running."
TXT_CLIENT_START="TeamSpeak client not running - starting now..."
TXT_CLIENT_START_OK="TeamSpeak client pid found. Startup successful."
TXT_CLIENT_START_FAIL="TeamSpeak client still not started."
TXT_CLIENT_KILL="No server but client running, kill client."

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

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

if [[ $? -ne 0 ]] # Note double [[ ]] are important!
then
        echo $TIME $TXT_SERVER_NOT_RUNNING >> $LOGFILE
        # Quietly check for ts process running
        ps -ef | grep -v grep | grep -q $CHECK_PID_NAME
        if [[ $? -eq 0 ]] # Note double [[ ]] are important!
        then
                echo $TIME $TXT_CLIENT_KILL >> $LOGFILE
                killall -9 CHECK_PID_NAME
        fi
        exit 0 # We can exit the script now
fi

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

if [[ $? -eq 0 ]] # Note double [[ ]] are important!
then
        echo $TIME $TXT_CLIENT_IS_RUNNING >> $LOGFILE
        exit 0 # We can exit the script now
else
        # Process is *not* running
        echo $TIME $TXT_CLIENT_START >> $LOGFILE
        # Record current DIR
        pwd=$PWD
        # Move to the diretory for the Teamspeak client
        cd ~/$PID_PWD
        # Start the Teamspeak client
        ./$PID_RUN
        # Change back to our previous dir
        cd $pwd
fi

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

if [[ $? -eq 0 ]]
then
        echo $TIME $TXT_CLIENT_START_OK >> $LOGFILE
else
        echo $TIME $TXT_CLIENT_START_FAIL >> $LOGFILE
fi

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