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Diffstat (limited to 'examples/unix-fd-service.py')
-rwxr-xr-x | examples/unix-fd-service.py | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/examples/unix-fd-service.py b/examples/unix-fd-service.py new file mode 100755 index 0000000..2347dcd --- /dev/null +++ b/examples/unix-fd-service.py @@ -0,0 +1,70 @@ +#!/usr/bin/env python + +usage = """Usage: +python unix-fd-service.py <file name> & +python unix-fd-client.py +""" + +# Copyright (C) 2004-2006 Red Hat Inc. <http://www.redhat.com/> +# Copyright (C) 2005-2007 Collabora Ltd. <http://www.collabora.co.uk/> +# Copyright (C) 2010 Signove <http://www.signove.com> +# +# 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 gobject + +import dbus +import dbus.service +import dbus.mainloop.glib +import sys +import random + +class SomeObject(dbus.service.Object): + + @dbus.service.method("com.example.SampleInterface", + in_signature='', out_signature='h') + def GetFd(self): + # both forms are acceptable while sending fd + if random.random() > 0.5: + return dbus.types.UnixFd(f) + else: + return f.fileno() + # The only unacceptable form to send fd would be + # UnixFd(f.fileno()) because UnixFd takes fd + # ownership when receives an integer. + +if len(sys.argv) < 2: + print usage + sys.exit(1) + +f = file(sys.argv[1], "r") + +if __name__ == '__main__': + dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) + + session_bus = dbus.SessionBus() + name = dbus.service.BusName("com.example.SampleService", session_bus) + object = SomeObject(session_bus, '/SomeObject') + + mainloop = gobject.MainLoop() + print "Running fd service." + print usage + mainloop.run() |