#!/usr/bin/env python3

import gi

gi.require_version('Gtk', '3.0')

from gi.repository import Gtk

import libvirt

import getopt

import sys

gi.require_version('LibvirtGLib', '1.0')

from gi.repository import LibvirtGLib

def eventToString(event):

    eventStrings = ( "Added",

                     "Removed",

                     "Started",

                     "Suspended",

                     "Resumed",

                     "Stopped",

                     "Saved",

                     "Restored" )

    return eventStrings[event]

def myDomainEventCallback1 (conn, dom, event, detail, opaque):

    print("myDomainEventCallback1 EVENT: Domain %s(%s) %s" % (dom.name(), dom.ID(), eventToString(event)))

def myDomainEventCallback2 (conn, dom, event, detail, opaque):

    print("myDomainEventCallback2 EVENT: Domain %s(%s) %s" % (dom.name(), dom.ID(), eventToString(event)))

def usage():

        print("usage: "+os.path.basename(sys.argv[0])+" [uri]")

        print("   uri will default to qemu:///system")

def main():

    try:

        opts, args = getopt.getopt(sys.argv[1:], "h", ["help"] )

    except getopt.GetoptError as err:

        # print help information and exit:

        print(str(err)) # will print something like "option -a not recognized"

        usage()

        sys.exit(2)

    for o, a in opts:

        if o in ("-h", "--help"):

            usage()

            sys.exit()

    if len(sys.argv) > 1:

        uri = sys.argv[1]

    else:

        uri = "qemu:///system"

    print("Using uri:" + uri)

    LibvirtGLib.init()

    LibvirtGLib.event_register()

    vc = libvirt.open(uri)

    #Add 2 callbacks to prove this works with more than just one

    vc.domainEventRegister(myDomainEventCallback1,None)

    vc.domainEventRegister(myDomainEventCallback2,None)

    Gtk.main()

if __name__ == "__main__":

    main()