From 87a86d7d6033cbb61271a84f20d5d25c4b4182c0 Mon Sep 17 00:00:00 2001
From: Simon McVittie <simon.mcvittie@collabora.co.uk>
Date: Mon, 14 Jul 2008 16:41:28 +0100
Subject: DBusPyServer: construct a user-specified subtype of Connection

---
 _dbus_bindings/server.c | 32 +++++++++++++++++++++++++-------
 dbus/server.py          | 20 ++++++++++++++++++++
 2 files changed, 45 insertions(+), 7 deletions(-)

diff --git a/_dbus_bindings/server.c b/_dbus_bindings/server.c
index 33dbaae..6f86417 100644
--- a/_dbus_bindings/server.c
+++ b/_dbus_bindings/server.c
@@ -2,6 +2,7 @@
  * for DBusServer.
  *
  * 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
@@ -32,6 +33,9 @@ typedef struct {
     PyObject_HEAD
     DBusServer *server;
 
+    /* The Connection subtype for which this Server is a factory */
+    PyObject *conn_class;
+
     /* Weak-references list to make server weakly referenceable */
     PyObject *weaklist;
 
@@ -199,6 +203,7 @@ out:
 static PyObject *
 DBusPyServer_NewConsumingDBusServer(PyTypeObject *cls,
                                     DBusServer *server,
+                                    PyObject *conn_class,
                                     PyObject *mainloop,
                                     PyObject *auth_mechanisms)
 {
@@ -255,6 +260,9 @@ DBusPyServer_NewConsumingDBusServer(PyTypeObject *cls,
 
     self->server = NULL;
 
+    Py_INCREF(conn_class);
+    self->conn_class = conn_class;
+
     self->mainloop = mainloop;
     mainloop = NULL;    /* don't DECREF it - the DBusServer owns it now */
 
@@ -331,12 +339,22 @@ Server_tp_new(PyTypeObject *cls, PyObject *args, PyObject *kwargs)
     DBusServer *server;
     const char *address;
     DBusError error;
-    PyObject *self, *mainloop = NULL, *auth_mechanisms = NULL;
-    static char *argnames[] = {"address", "mainloop", "auth_mechanisms", NULL};
+    PyObject *self, *conn_class, *mainloop = NULL, *auth_mechanisms = NULL;
+    static char *argnames[] = { "address", "connection_class", "mainloop",
+        "auth_mechanisms", NULL};
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|OO", argnames,
+            &address, &conn_class, &mainloop, &auth_mechanisms)) {
+        return NULL;
+    }
 
-printf("%s:%d\n", __func__, __LINE__);
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OO", argnames,
-                                     &address, &mainloop, &auth_mechanisms)) {
+    if (!PyType_Check(conn_class) ||
+        !PyType_IsSubtype((PyTypeObject *) conn_class, &DBusPyConnection_Type)) {
+        /* strictly speaking, it can be any subtype of
+         * _dbus_bindings._Connection - but nobody else should be subtyping
+         * that, so let's keep this slightly inaccurate message */
+        PyErr_SetString(PyExc_TypeError, "connection_class must be "
+                "dbus.connection.Connection or a subtype");
         return NULL;
     }
 
@@ -351,8 +369,8 @@ printf("%s:%d\n", __func__, __LINE__);
         return NULL;
     }
 
-    self = DBusPyServer_NewConsumingDBusServer(cls, server, mainloop,
-            auth_mechanisms);
+    self = DBusPyServer_NewConsumingDBusServer(cls, server, conn_class,
+            mainloop, auth_mechanisms);
     TRACE(self);
 
     return self;
diff --git a/dbus/server.py b/dbus/server.py
index c7a6184..632e7cd 100644
--- a/dbus/server.py
+++ b/dbus/server.py
@@ -1,4 +1,5 @@
 # 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
@@ -24,6 +25,7 @@ __all__ = ('Server', )
 __docformat__ = 'reStructuredText'
 
 from _dbus_bindings import Server as _Server
+from dbus.connection import Connection
 
 class Server(_Server):
     """An opaque object representing a server that listens for connections from
@@ -32,6 +34,24 @@ class Server(_Server):
     :Since: 0.82.5
     """
 
+    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``.
+        """
+
     address      = property(_Server.get_address)
     id           = property(_Server.get_id)
     is_connected = property(_Server.get_is_connected)
-- 
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