#!/usr/bin/env python

usage = """Usage:

python example-service.py &

python example-async-client.py

python example-client.py --exit-service

"""

# Copyright (C) 2004-2006 Red Hat Inc. <http://www.redhat.com/>

# Copyright (C) 2005-2007 Collabora Ltd. <http://www.collabora.co.uk/>

#

# Permission is hereby granted, free of charge, to any person

# obtaining a copy of this software and associated documentation

# files (the "Software"), to deal in the Software without

# restriction, including without limitation the rights to use, copy,

# modify, merge, publish, distribute, sublicense, and/or sell copies

# of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be

# included in all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

# DEALINGS IN THE SOFTWARE.

import sys

import traceback

from gi.repository import GLib

import dbus

import dbus.mainloop.glib

# Callbacks for asynchronous calls

def handle_hello_reply(r):

    global hello_replied

    hello_replied = True

    print str(r)

    if hello_replied and raise_replied:

        loop.quit()

def handle_hello_error(e):

    global failed

    global hello_replied

    hello_replied = True

    failed = True

    print "HelloWorld raised an exception! That's not meant to happen..."

    print "\t", str(e)

    if hello_replied and raise_replied:

        loop.quit()

def handle_raise_reply():

    global failed

    global raise_replied

    raise_replied = True

    failed = True

    print "RaiseException returned normally! That's not meant to happen..."

    if hello_replied and raise_replied:

        loop.quit()

def handle_raise_error(e):

    global raise_replied

    raise_replied = True

    print "RaiseException raised an exception as expected:"

    print "\t", str(e)

    if hello_replied and raise_replied:

        loop.quit()

def make_calls():

    # To make an async call, use the reply_handler and error_handler kwargs

    remote_object.HelloWorld("Hello from example-async-client.py!",

                             dbus_interface='com.example.SampleInterface',

                             reply_handler=handle_hello_reply,

                             error_handler=handle_hello_error)

    # Interface objects also support async calls

    iface = dbus.Interface(remote_object, 'com.example.SampleInterface')

    iface.RaiseException(reply_handler=handle_raise_reply,

                         error_handler=handle_raise_error)

    return False

if __name__ == '__main__':

    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    bus = dbus.SessionBus()

    try:

        remote_object = bus.get_object("com.example.SampleService","/SomeObject")

    except dbus.DBusException:

        traceback.print_exc()

        print usage

        sys.exit(1)

    # Make the method call after a short delay

    GLib.timeout_add(1000, make_calls)

    failed = False

    hello_replied = False

    raise_replied = False

    loop = GLib.MainLoop()

    loop.run()

    if failed:

        raise SystemExit("Example async client failed!")