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#!/bin/ash
# -----------------------------------------------------------------------------
# Copyright (c) 2013 - OpenSLX GmbH 
# 
# This program is free software distributed under the GPL version 2. 
# See http://openslx.org/COPYING 
# 
# If you have any feedback please consult http://openslx.org/feedback and 
# send your suggestions, praise, or complaints to feedback@openslx.org 
# 
# General information about OpenSLX can be found at http://openslx.org/ 
# -----------------------------------------------------------------------------
# systemd-vmware_env
#    - This is the systemd configuration and provisioning script for the various
#      VMware modules and services
################################################################################

VMWARE_CONF_DIR=/opt/openslx/vmchooser/vmware
VMCHOOSER_CONF_DIR=/opt/openslx/vmchooser/config

load_modules () {
	local FAILED=""
   # module stuff
   insmod /lib/modules/vmware/vmmon.ko || FAILED="$FAILED vmmon"
   insmod /lib/modules/vmware/vmnet.ko || FAILED="$FAILED vmnet"
   #insmod /lib/modules/vmware/vmci.ko || FAILED="$FAILED vmci"
   #insmod /lib/modules/vmware/vmblock.ko || FAILED="$FAILED vmblock"
   #insmod /lib/modules/vmware/vsock.ko || FAILED="$FAILED vsock"
	[ -n "$FAILED" ] && slxlog "vmware-insmod" "Error loading vmware kernel module(s) $FAILED"
}

unload_modules () { 
   rmmod vmnet vmmon #vsock vmci vmblock
}

vmnetif () { 
	# create the needed devices which effects all vmware options
	# they are not created automatically via module load
	for device in "/dev/vmnet0 c 119 0" "/dev/vmnet1 c 119 1" \
		            "/dev/vmnet2 c 119 2" "/dev/vmmon c 10 165"; do
		 mknod ${device}
	done
	chmod 0700 /dev/vmnet*

	# setup bridge (vmnet0), nat (vmnet1) and software defined networking (vmnet2) interfaces
	if ! /usr/bin/vmnet-netifup -d /var/run/vmnet-netifup-vmnet0.pid /dev/vmnet0 vmnet0 ; then
			slxlog "vmware-netifup" "Launching /usr/bin/vmnet-netifup for vmnet0 failed."
	fi
  ip link set dev vmnet0 up
  brctl addif br0 vmnet0
	if ! /usr/bin/vmnet-netifup -d /var/run/vmnet-netifup-vmnet1.pid /dev/vmnet1 vmnet1; then
			slxlog "vmware-netifup" "Launching /usr/bin/vmnet-netifup for vmnet1 failed."
	fi
  ip link set dev vmnet1 up
  brctl addif nat1 vmnet1
	if ! /usr/bin/vmnet-netifup -d /var/run/vmnet-netifup-vmnet2.pid /dev/vmnet2 vmnet2; then
			slxlog "vmware-netifup" "Launching /usr/bin/vmnet-netifup for vmnet2 failed."
	fi
  ip link set dev vmnet2 up
  brctl addif vsw2 vmnet2
}

vmblock () { 
	if ! /usr/bin/vmware-usbarbitrator; then
		slxlog "vmware-usbarb" "Launching /usr/bin/vmware-usbarbitrator failed."
	fi
}

# create required standard directories
mkdir -p "/tmp/virt/vmware" "/dev/shm/vmware" "/run/vmware" -m 1777

# FixMe: Should be rewritten for proper systemd operation
case "$1" in 
  start)
    # hack to access the first serial/parallel port
    [ -c /dev/ttyS0 ] && chmod a+rw /dev/ttyS0
    [ -c /dev/parport0 ] && chmod a+rw /dev/parport0
    load_modules
    vmnetif
    vmblock
  ;;
  stop)
    #stop: defines stop function for initscript
    killall vmnet-netifup vmnet-bridge vmware vmplayer vmware-tray
    # might take a while until all services are shut down
    sleep 0.5
    unload_modules
    
  ;;
  restart)
    #restart: defines restart function for initscript
    $0 stop && $0 start
  ;;
  status)
    #status: defines status function for initscript
    vmstatus
  ;;
esac

exit 0