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# Copyright (C) 2008 Openismus GmbH <http://openismus.com/>
# Copyright (C) 2008 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.
__all__ = ('Server', )
__docformat__ = 'reStructuredText'
from _dbus_bindings import _Server
from dbus.connection import Connection
class Server(_Server):
"""An opaque object representing a server that listens for connections from
other applications.
This class is not useful to instantiate directly: you must subclass it and
either extend the method connection_added, or append to the
list on_connection_added.
:Since: 0.83
"""
def __new__(cls, address, connection_class=Connection,
mainloop=None, auth_mechanisms=None):
"""Construct a new Server.
:Parameters:
`address` : str
Listen on this address.
`connection_class` : type
When new connections come in, instantiate this subclass
of dbus.connection.Connection to represent them.
The default is Connection.
`mainloop` : dbus.mainloop.NativeMainLoop or None
The main loop with which to associate the new connections.
`auth_mechanisms` : sequence of str
Authentication mechanisms to allow. The default is to allow
any authentication mechanism supported by ``libdbus``.
"""
return super(Server, cls).__new__(cls, address, connection_class,
mainloop, auth_mechanisms)
def __init__(self, *args, **kwargs):
self.__connections = {}
self.on_connection_added = []
"""A list of callbacks to invoke when a connection is added.
They receive two arguments: this Server and the new Connection."""
self.on_connection_removed = []
"""A list of callbacks to invoke when a connection becomes
disconnected. They receive two arguments: this Server and the removed
Connection."""
# This method name is hard-coded in _dbus_bindings._Server.
# This is not public API.
def _on_new_connection(self, conn):
conn.call_on_disconnection(self.connection_removed)
self.connection_added(conn)
def connection_added(self, conn):
"""Respond to the creation of a new Connection.
This base-class implementation just invokes the callbacks in
the on_connection_added attribute.
:Parameters:
`conn` : dbus.connection.Connection
A D-Bus connection which has just been added.
The type of this parameter is whatever was passed
to the Server constructor as the ``connection_class``.
"""
if self.on_connection_added:
for cb in self.on_connection_added:
cb(conn)
def connection_removed(self, conn):
"""Respond to the disconnection of a Connection.
This base-class implementation just invokes the callbacks in
the on_connection_removed attribute.
:Parameters:
`conn` : dbus.connection.Connection
A D-Bus connection which has just become disconnected.
The type of this parameter is whatever was passed
to the Server constructor as the ``connection_class``.
"""
if self.on_connection_removed:
for cb in self.on_connection_removed:
cb(conn)
address = property(_Server.get_address)
id = property(_Server.get_id)
is_connected = property(_Server.get_is_connected)