#!/bin/sh

# Background both a db vpn & opensim server

MONO=/usr/bin/mono
SCREEN=/usr/bin/screen
OPENSIM_EXE=/home/opensim/bin/opensim/bin/OpenSim.exe

    # Required software: ssh-client, ssh-server, mysql-server, screen

    # User and host database server: create a user on that system
    # Create mysql schema for user and host: 'opensim'@'127.0.0.1'
    # passwd opensim1
    USER=opensim
    DB_HOST=192.168.1.5
      OPENSIM=/home/opensim/bin/opensim
    cd $OPENSIM/bin

# add check for '$SCREEN -list | grep opensim' and reattach if present

# db connection
#password: your-remote-ssh-host.com sshPassword

# check first for vpn-mysql connection if running MySQL db
SCREEN_VPN=`$SCREEN -list | grep vpn-mysql | awk '{print $1}'`
#SCREEN_OPENSIM=`$SCREEN -list | grep "\.opensim" | awk '{print $1}'`
SCREEN_OPENSIM=`$SCREEN -list  | egrep '(Detached)|(Attached)' | grep "\.opensim" | awk '{print $1}'`
SCREEN_OPENSIM_DEADPID=`$SCREEN -list | grep Dead`
startMySQLVpn(){
if [ "$SCREEN_VPN" = "" ] ; then
    # Start up vpn
    echo "After loggin into the db system hit CTL+A then CTL+D to continue ..."
    sleep 5
    #$SCREEN -d -S vpn-mysql -m ssh -L3306:127.0.0.1:3306 $USER@$DB_HOST
    $SCREEN -S vpn-mysql -m ssh -L3306:127.0.0.1:3306 $USER@$DB_HOST
fi
}
startOpensim(){
if [ "$SCREEN_OPENSIM_DEADPID" != "" ]; then
    $SCREEN -wipe
    echo "Starting up opensim ..."
    $SCREEN -S opensim -m $MONO  $OPENSIM_EXE -gui=true
elif [ "$SCREEN_OPENSIM" != "" ]; then
    $SCREEN  -dr $SCREEN_OPENSIM
else
    echo "Starting up opensim ..."
    $SCREEN -S opensim -m $MONO  $OPENSIM_EXE -gui=true
fi
}

startMySQLVpn
startOpensim