1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-server.c DBusServer object
4 * Copyright (C) 2002, 2003, 2004, 2005 Red Hat Inc.
6 * Licensed under the Academic Free License version 2.1
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "dbus-server.h"
25 #include "dbus-server-unix.h"
26 #include "dbus-string.h"
27 #ifdef DBUS_BUILD_TESTS
28 #include "dbus-server-debug-pipe.h"
30 #include "dbus-address.h"
31 #include "dbus-protocol.h"
34 * @defgroup DBusServer DBusServer
36 * @brief Server that listens for new connections.
38 * Types and functions related to DBusServer.
39 * A DBusServer represents a server that other applications
40 * can connect to. Each connection from another application
41 * is represented by a DBusConnection.
43 * @todo Thread safety hasn't been looked at for #DBusServer
44 * @todo Need notification to apps of disconnection, may matter for some transports
48 * @defgroup DBusServerInternals DBusServer implementation details
49 * @ingroup DBusInternals
50 * @brief Implementation details of DBusServer
56 * Initializes the members of the DBusServer base class.
57 * Chained up to by subclass constructors.
59 * @param server the server.
60 * @param vtable the vtable for the subclass.
61 * @param address the server's address
62 * @returns #TRUE on success.
65 _dbus_server_init_base (DBusServer *server,
66 const DBusServerVTable *vtable,
67 const DBusString *address)
69 server->vtable = vtable;
70 server->refcount.value = 1;
72 server->address = NULL;
73 server->watches = NULL;
74 server->timeouts = NULL;
76 if (!_dbus_string_copy_data (address, &server->address))
79 server->mutex = dbus_mutex_new ();
80 if (server->mutex == NULL)
83 server->watches = _dbus_watch_list_new ();
84 if (server->watches == NULL)
87 server->timeouts = _dbus_timeout_list_new ();
88 if (server->timeouts == NULL)
91 _dbus_data_slot_list_init (&server->slot_list);
93 _dbus_verbose ("Initialized server on address %s\n", server->address);
100 dbus_mutex_free (server->mutex);
101 server->mutex = NULL;
105 _dbus_watch_list_free (server->watches);
106 server->watches = NULL;
108 if (server->timeouts)
110 _dbus_timeout_list_free (server->timeouts);
111 server->timeouts = NULL;
115 dbus_free (server->address);
116 server->address = NULL;
123 * Finalizes the members of the DBusServer base class.
124 * Chained up to by subclass finalizers.
126 * @param server the server.
129 _dbus_server_finalize_base (DBusServer *server)
131 /* calls out to application code... */
132 _dbus_data_slot_list_free (&server->slot_list);
134 dbus_server_set_new_connection_function (server, NULL, NULL, NULL);
136 if (!server->disconnected)
137 dbus_server_disconnect (server);
139 _dbus_watch_list_free (server->watches);
140 _dbus_timeout_list_free (server->timeouts);
142 dbus_mutex_free (server->mutex);
144 dbus_free (server->address);
146 dbus_free_string_array (server->auth_mechanisms);
150 typedef dbus_bool_t (* DBusWatchAddFunction) (DBusWatchList *list,
152 typedef void (* DBusWatchRemoveFunction) (DBusWatchList *list,
154 typedef void (* DBusWatchToggleFunction) (DBusWatchList *list,
156 dbus_bool_t enabled);
159 protected_change_watch (DBusServer *server,
161 DBusWatchAddFunction add_function,
162 DBusWatchRemoveFunction remove_function,
163 DBusWatchToggleFunction toggle_function,
166 DBusWatchList *watches;
169 HAVE_LOCK_CHECK (server);
171 /* This isn't really safe or reasonable; a better pattern is the "do everything, then
172 * drop lock and call out" one; but it has to be propagated up through all callers
175 watches = server->watches;
178 server->watches = NULL;
179 _dbus_server_ref_unlocked (server);
180 SERVER_UNLOCK (server);
183 retval = (* add_function) (watches, watch);
184 else if (remove_function)
187 (* remove_function) (watches, watch);
192 (* toggle_function) (watches, watch, enabled);
195 SERVER_LOCK (server);
196 server->watches = watches;
197 _dbus_server_unref_unlocked (server);
206 * Adds a watch for this server, chaining out to application-provided
209 * @param server the server.
210 * @param watch the watch to add.
213 _dbus_server_add_watch (DBusServer *server,
216 return protected_change_watch (server, watch,
217 _dbus_watch_list_add_watch,
222 * Removes a watch previously added with _dbus_server_remove_watch().
224 * @param server the server.
225 * @param watch the watch to remove.
228 _dbus_server_remove_watch (DBusServer *server,
231 protected_change_watch (server, watch,
233 _dbus_watch_list_remove_watch,
238 * Toggles a watch and notifies app via server's
239 * DBusWatchToggledFunction if available. It's an error to call this
240 * function on a watch that was not previously added.
242 * @param server the server.
243 * @param watch the watch to toggle.
244 * @param enabled whether to enable or disable
247 _dbus_server_toggle_watch (DBusServer *server,
251 _dbus_assert (watch != NULL);
253 protected_change_watch (server, watch,
255 _dbus_watch_list_toggle_watch,
260 typedef dbus_bool_t (* DBusTimeoutAddFunction) (DBusTimeoutList *list,
261 DBusTimeout *timeout);
262 typedef void (* DBusTimeoutRemoveFunction) (DBusTimeoutList *list,
263 DBusTimeout *timeout);
264 typedef void (* DBusTimeoutToggleFunction) (DBusTimeoutList *list,
265 DBusTimeout *timeout,
266 dbus_bool_t enabled);
270 protected_change_timeout (DBusServer *server,
271 DBusTimeout *timeout,
272 DBusTimeoutAddFunction add_function,
273 DBusTimeoutRemoveFunction remove_function,
274 DBusTimeoutToggleFunction toggle_function,
277 DBusTimeoutList *timeouts;
280 HAVE_LOCK_CHECK (server);
282 /* This isn't really safe or reasonable; a better pattern is the "do everything, then
283 * drop lock and call out" one; but it has to be propagated up through all callers
286 timeouts = server->timeouts;
289 server->timeouts = NULL;
290 _dbus_server_ref_unlocked (server);
291 SERVER_UNLOCK (server);
294 retval = (* add_function) (timeouts, timeout);
295 else if (remove_function)
298 (* remove_function) (timeouts, timeout);
303 (* toggle_function) (timeouts, timeout, enabled);
306 SERVER_LOCK (server);
307 server->timeouts = timeouts;
308 _dbus_server_unref_unlocked (server);
317 * Adds a timeout for this server, chaining out to
318 * application-provided timeout handlers. The timeout should be
319 * repeatedly handled with dbus_timeout_handle() at its given interval
320 * until it is removed.
322 * @param server the server.
323 * @param timeout the timeout to add.
326 _dbus_server_add_timeout (DBusServer *server,
327 DBusTimeout *timeout)
329 return protected_change_timeout (server, timeout,
330 _dbus_timeout_list_add_timeout,
335 * Removes a timeout previously added with _dbus_server_add_timeout().
337 * @param server the server.
338 * @param timeout the timeout to remove.
341 _dbus_server_remove_timeout (DBusServer *server,
342 DBusTimeout *timeout)
344 protected_change_timeout (server, timeout,
346 _dbus_timeout_list_remove_timeout,
351 * Toggles a timeout and notifies app via server's
352 * DBusTimeoutToggledFunction if available. It's an error to call this
353 * function on a timeout that was not previously added.
355 * @param server the server.
356 * @param timeout the timeout to toggle.
357 * @param enabled whether to enable or disable
360 _dbus_server_toggle_timeout (DBusServer *server,
361 DBusTimeout *timeout,
364 protected_change_timeout (server, timeout,
366 _dbus_timeout_list_toggle_timeout,
374 * @addtogroup DBusServer
381 * @typedef DBusServer
383 * An opaque object representing a server that listens for
384 * connections from other applications. Each time a connection
385 * is made, a new DBusConnection is created and made available
386 * via an application-provided DBusNewConnectionFunction.
387 * The DBusNewConnectionFunction is provided with
388 * dbus_server_set_new_connection_function().
393 * Listens for new connections on the given address.
394 * Returns #NULL if listening fails for any reason.
395 * Otherwise returns a new #DBusServer.
396 * dbus_server_set_new_connection_function() and
397 * dbus_server_set_watch_functions() should be called
398 * immediately to render the server fully functional.
400 * @todo error messages on bad address could really be better.
401 * DBusResultCode is a bit limiting here.
403 * @param address the address of this server.
404 * @param error location to store rationale for failure.
405 * @returns a new DBusServer, or #NULL on failure.
409 dbus_server_listen (const char *address,
413 DBusAddressEntry **entries;
415 const char *address_problem_type;
416 const char *address_problem_field;
417 const char *address_problem_other;
419 _dbus_return_val_if_fail (address != NULL, NULL);
420 _dbus_return_val_if_error_is_set (error, NULL);
422 if (!dbus_parse_address (address, &entries, &len, error))
426 address_problem_type = NULL;
427 address_problem_field = NULL;
428 address_problem_other = NULL;
430 for (i = 0; i < len; i++)
432 const char *method = dbus_address_entry_get_method (entries[i]);
434 if (strcmp (method, "unix") == 0)
436 const char *path = dbus_address_entry_get_value (entries[i], "path");
437 const char *tmpdir = dbus_address_entry_get_value (entries[i], "tmpdir");
438 const char *abstract = dbus_address_entry_get_value (entries[i], "abstract");
440 if (path == NULL && tmpdir == NULL && abstract == NULL)
442 address_problem_type = "unix";
443 address_problem_field = "path or tmpdir or abstract";
447 if ((path && tmpdir) ||
448 (path && abstract) ||
449 (tmpdir && abstract))
451 address_problem_other = "cannot specify two of \"path\" and \"tmpdir\" and \"abstract\" at the same time";
457 DBusString full_path;
460 if (!_dbus_string_init (&full_path))
462 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
466 if (!_dbus_string_init (&filename))
468 _dbus_string_free (&full_path);
469 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
473 if (!_dbus_string_append (&filename,
475 !_dbus_generate_random_ascii (&filename, 10) ||
476 !_dbus_string_append (&full_path, tmpdir) ||
477 !_dbus_concat_dir_and_file (&full_path, &filename))
479 _dbus_string_free (&full_path);
480 _dbus_string_free (&filename);
481 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
485 /* FIXME - we will unconditionally unlink() the path if
486 * we don't support abstract namespace. unlink() does
487 * not follow symlinks, but would like independent
488 * confirmation this is safe enough. See also
489 * _dbus_listen_unix_socket() and comments therein.
492 /* Always use abstract namespace if possible with tmpdir */
495 _dbus_server_new_for_domain_socket (_dbus_string_get_const_data (&full_path),
496 #ifdef HAVE_ABSTRACT_SOCKETS
503 _dbus_string_free (&full_path);
504 _dbus_string_free (&filename);
509 server = _dbus_server_new_for_domain_socket (path, FALSE, error);
511 server = _dbus_server_new_for_domain_socket (abstract, TRUE, error);
514 else if (strcmp (method, "tcp") == 0)
516 const char *host = dbus_address_entry_get_value (entries[i], "host");
517 const char *port = dbus_address_entry_get_value (entries[i], "port");
524 address_problem_type = "tcp";
525 address_problem_field = "port";
529 _dbus_string_init_const (&str, port);
530 sresult = _dbus_string_parse_int (&str, 0, &lport, NULL);
531 _dbus_string_free (&str);
533 if (sresult == FALSE || lport <= 0 || lport > 65535)
535 address_problem_other = "Port is not an integer between 0 and 65535";
539 server = _dbus_server_new_for_tcp_socket (host, lport, error);
544 #ifdef DBUS_BUILD_TESTS
545 else if (strcmp (method, "debug-pipe") == 0)
547 const char *name = dbus_address_entry_get_value (entries[i], "name");
551 address_problem_type = "debug-pipe";
552 address_problem_field = "name";
556 server = _dbus_server_debug_pipe_new (name, error);
561 address_problem_other = "Unknown address type (examples of valid types are \"unix\" and \"tcp\")";
571 dbus_address_entries_free (entries);
575 dbus_address_entries_free (entries);
576 if (address_problem_type != NULL)
577 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
578 "Server address of type %s was missing argument %s",
579 address_problem_type, address_problem_field);
581 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
582 "Could not parse server address: %s",
583 address_problem_other);
589 * Increments the reference count of a DBusServer.
591 * @param server the server.
592 * @returns the server
595 dbus_server_ref (DBusServer *server)
597 _dbus_return_val_if_fail (server != NULL, NULL);
599 #ifdef DBUS_HAVE_ATOMIC_INT
600 _dbus_atomic_inc (&server->refcount);
602 SERVER_LOCK (server);
603 _dbus_assert (server->refcount.value > 0);
605 server->refcount.value += 1;
606 SERVER_UNLOCK (server);
613 * Decrements the reference count of a DBusServer. Finalizes the
614 * server if the reference count reaches zero. The server connection
615 * will be closed as with dbus_server_disconnect() when the server is
618 * @param server the server.
621 dbus_server_unref (DBusServer *server)
623 dbus_bool_t last_unref;
625 _dbus_return_if_fail (server != NULL);
627 #ifdef DBUS_HAVE_ATOMIC_INT
628 last_unref = (_dbus_atomic_dec (&server->refcount) == 1);
630 SERVER_LOCK (server);
632 _dbus_assert (server->refcount.value > 0);
634 server->refcount.value -= 1;
635 last_unref = (server->refcount.value == 0);
637 SERVER_UNLOCK (server);
642 _dbus_assert (server->vtable->finalize != NULL);
644 (* server->vtable->finalize) (server);
649 * Like dbus_server_ref() but does not acquire the lock (must already be held)
651 * @param server the server.
654 _dbus_server_ref_unlocked (DBusServer *server)
656 HAVE_LOCK_CHECK (server);
658 #ifdef DBUS_HAVE_ATOMIC_INT
659 _dbus_atomic_inc (&server->refcount);
661 _dbus_assert (server->refcount.value > 0);
663 server->refcount.value += 1;
668 * Like dbus_server_unref() but does not acquire the lock (must already be held)
670 * @param server the server.
673 _dbus_server_unref_unlocked (DBusServer *server)
675 dbus_bool_t last_unref;
677 _dbus_assert (server != NULL);
679 HAVE_LOCK_CHECK (server);
681 #ifdef DBUS_HAVE_ATOMIC_INT
682 last_unref = (_dbus_atomic_dec (&server->refcount) == 1);
684 _dbus_assert (server->refcount.value > 0);
686 server->refcount.value -= 1;
687 last_unref = (server->refcount.value == 0);
692 _dbus_assert (server->vtable->finalize != NULL);
694 (* server->vtable->finalize) (server);
699 * Releases the server's address and stops listening for
700 * new clients. If called more than once, only the first
701 * call has an effect. Does not modify the server's
704 * @param server the server.
707 dbus_server_disconnect (DBusServer *server)
709 _dbus_return_if_fail (server != NULL);
711 SERVER_LOCK (server);
713 _dbus_assert (server->vtable->disconnect != NULL);
715 if (server->disconnected)
717 SERVER_UNLOCK (server);
721 (* server->vtable->disconnect) (server);
722 server->disconnected = TRUE;
724 SERVER_UNLOCK (server);
728 * Returns #TRUE if the server is still listening for new connections.
730 * @param server the server.
733 dbus_server_get_is_connected (DBusServer *server)
737 _dbus_return_val_if_fail (server != NULL, FALSE);
739 SERVER_LOCK (server);
740 retval = !server->disconnected;
741 SERVER_UNLOCK (server);
747 * Returns the address of the server, as a newly-allocated
748 * string which must be freed by the caller.
750 * @param server the server
751 * @returns the address or #NULL if no memory
754 dbus_server_get_address (DBusServer *server)
758 _dbus_return_val_if_fail (server != NULL, NULL);
760 SERVER_LOCK (server);
761 retval = _dbus_strdup (server->address);
762 SERVER_UNLOCK (server);
768 * Sets a function to be used for handling new connections. The given
769 * function is passed each new connection as the connection is
770 * created. If the new connection function increments the connection's
771 * reference count, the connection will stay alive. Otherwise, the
772 * connection will be unreferenced and closed.
774 * @param server the server.
775 * @param function a function to handle new connections.
776 * @param data data to pass to the new connection handler.
777 * @param free_data_function function to free the data.
780 dbus_server_set_new_connection_function (DBusServer *server,
781 DBusNewConnectionFunction function,
783 DBusFreeFunction free_data_function)
785 DBusFreeFunction old_free_function;
788 _dbus_return_if_fail (server != NULL);
790 SERVER_LOCK (server);
791 old_free_function = server->new_connection_free_data_function;
792 old_data = server->new_connection_data;
794 server->new_connection_function = function;
795 server->new_connection_data = data;
796 server->new_connection_free_data_function = free_data_function;
797 SERVER_UNLOCK (server);
799 if (old_free_function != NULL)
800 (* old_free_function) (old_data);
804 * Sets the watch functions for the connection. These functions are
805 * responsible for making the application's main loop aware of file
806 * descriptors that need to be monitored for events.
808 * This function behaves exactly like dbus_connection_set_watch_functions();
809 * see the documentation for that routine.
811 * @param server the server.
812 * @param add_function function to begin monitoring a new descriptor.
813 * @param remove_function function to stop monitoring a descriptor.
814 * @param toggled_function function to notify when the watch is enabled/disabled
815 * @param data data to pass to add_function and remove_function.
816 * @param free_data_function function to be called to free the data.
817 * @returns #FALSE on failure (no memory)
820 dbus_server_set_watch_functions (DBusServer *server,
821 DBusAddWatchFunction add_function,
822 DBusRemoveWatchFunction remove_function,
823 DBusWatchToggledFunction toggled_function,
825 DBusFreeFunction free_data_function)
828 DBusWatchList *watches;
830 _dbus_return_val_if_fail (server != NULL, FALSE);
832 SERVER_LOCK (server);
833 watches = server->watches;
834 server->watches = NULL;
837 SERVER_UNLOCK (server);
838 result = _dbus_watch_list_set_functions (watches,
844 SERVER_LOCK (server);
848 _dbus_warn ("Re-entrant call to %s\n", _DBUS_FUNCTION_NAME);
851 server->watches = watches;
852 SERVER_UNLOCK (server);
858 * Sets the timeout functions for the connection. These functions are
859 * responsible for making the application's main loop aware of timeouts.
861 * This function behaves exactly like dbus_connection_set_timeout_functions();
862 * see the documentation for that routine.
864 * @param server the server.
865 * @param add_function function to add a timeout.
866 * @param remove_function function to remove a timeout.
867 * @param toggled_function function to notify when the timeout is enabled/disabled
868 * @param data data to pass to add_function and remove_function.
869 * @param free_data_function function to be called to free the data.
870 * @returns #FALSE on failure (no memory)
873 dbus_server_set_timeout_functions (DBusServer *server,
874 DBusAddTimeoutFunction add_function,
875 DBusRemoveTimeoutFunction remove_function,
876 DBusTimeoutToggledFunction toggled_function,
878 DBusFreeFunction free_data_function)
881 DBusTimeoutList *timeouts;
883 _dbus_return_val_if_fail (server != NULL, FALSE);
885 SERVER_LOCK (server);
886 timeouts = server->timeouts;
887 server->timeouts = NULL;
890 SERVER_UNLOCK (server);
891 result = _dbus_timeout_list_set_functions (timeouts,
897 SERVER_LOCK (server);
901 _dbus_warn ("Re-entrant call to %s\n", _DBUS_FUNCTION_NAME);
904 server->timeouts = timeouts;
905 SERVER_UNLOCK (server);
911 * Sets the authentication mechanisms that this server offers
912 * to clients, as a list of SASL mechanisms. This function
913 * only affects connections created *after* it is called.
914 * Pass #NULL instead of an array to use all available mechanisms.
916 * @param server the server
917 * @param mechanisms #NULL-terminated array of mechanisms
918 * @returns #FALSE if no memory
921 dbus_server_set_auth_mechanisms (DBusServer *server,
922 const char **mechanisms)
926 _dbus_return_val_if_fail (server != NULL, FALSE);
928 SERVER_LOCK (server);
930 if (mechanisms != NULL)
932 copy = _dbus_dup_string_array (mechanisms);
939 dbus_free_string_array (server->auth_mechanisms);
940 server->auth_mechanisms = copy;
942 SERVER_UNLOCK (server);
948 static DBusDataSlotAllocator slot_allocator;
949 _DBUS_DEFINE_GLOBAL_LOCK (server_slots);
952 * Allocates an integer ID to be used for storing application-specific
953 * data on any DBusServer. The allocated ID may then be used
954 * with dbus_server_set_data() and dbus_server_get_data().
955 * The slot must be initialized with -1. If a nonnegative
956 * slot is passed in, the refcount is incremented on that
957 * slot, rather than creating a new slot.
959 * The allocated slot is global, i.e. all DBusServer objects will have
960 * a slot with the given integer ID reserved.
962 * @param slot_p address of global variable storing the slot ID
963 * @returns #FALSE on no memory
966 dbus_server_allocate_data_slot (dbus_int32_t *slot_p)
968 return _dbus_data_slot_allocator_alloc (&slot_allocator,
969 _DBUS_LOCK_NAME (server_slots),
974 * Deallocates a global ID for server data slots.
975 * dbus_server_get_data() and dbus_server_set_data()
976 * may no longer be used with this slot.
977 * Existing data stored on existing DBusServer objects
978 * will be freed when the server is finalized,
979 * but may not be retrieved (and may only be replaced
980 * if someone else reallocates the slot).
982 * @param slot_p address of the slot to deallocate
985 dbus_server_free_data_slot (dbus_int32_t *slot_p)
987 _dbus_return_if_fail (*slot_p >= 0);
989 _dbus_data_slot_allocator_free (&slot_allocator, slot_p);
993 * Stores a pointer on a DBusServer, along
994 * with an optional function to be used for freeing
995 * the data when the data is set again, or when
996 * the server is finalized. The slot number
997 * must have been allocated with dbus_server_allocate_data_slot().
999 * @param server the server
1000 * @param slot the slot number
1001 * @param data the data to store
1002 * @param free_data_func finalizer function for the data
1003 * @returns #TRUE if there was enough memory to store the data
1006 dbus_server_set_data (DBusServer *server,
1009 DBusFreeFunction free_data_func)
1011 DBusFreeFunction old_free_func;
1015 _dbus_return_val_if_fail (server != NULL, FALSE);
1017 SERVER_LOCK (server);
1019 retval = _dbus_data_slot_list_set (&slot_allocator,
1021 slot, data, free_data_func,
1022 &old_free_func, &old_data);
1025 SERVER_UNLOCK (server);
1029 /* Do the actual free outside the server lock */
1031 (* old_free_func) (old_data);
1038 * Retrieves data previously set with dbus_server_set_data().
1039 * The slot must still be allocated (must not have been freed).
1041 * @param server the server
1042 * @param slot the slot to get data from
1043 * @returns the data, or #NULL if not found
1046 dbus_server_get_data (DBusServer *server,
1051 _dbus_return_val_if_fail (server != NULL, NULL);
1053 SERVER_LOCK (server);
1055 res = _dbus_data_slot_list_get (&slot_allocator,
1059 SERVER_UNLOCK (server);
1066 #ifdef DBUS_BUILD_TESTS
1067 #include "dbus-test.h"
1070 _dbus_server_test (void)
1072 const char *valid_addresses[] = {
1074 "unix:path=./boogie",
1075 "tcp:host=localhost,port=1234",
1076 "tcp:host=localhost,port=1234;tcp:port=5678",
1077 "tcp:port=1234;unix:path=./boogie",
1083 for (i = 0; i < _DBUS_N_ELEMENTS (valid_addresses); i++)
1085 server = dbus_server_listen (valid_addresses[i], NULL);
1087 _dbus_assert_not_reached ("Failed to listen for valid address.");
1089 dbus_server_unref (server);
1091 /* Try disconnecting before unreffing */
1092 server = dbus_server_listen (valid_addresses[i], NULL);
1094 _dbus_assert_not_reached ("Failed to listen for valid address.");
1096 dbus_server_disconnect (server);
1098 dbus_server_unref (server);
1104 #endif /* DBUS_BUILD_TESTS */