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 /* We don't have the lock, but nobody should be accessing
132 * concurrently since they don't have a ref
134 #ifndef DBUS_DISABLE_CHECKS
135 _dbus_assert (!server->have_server_lock);
137 _dbus_assert (server->disconnected);
139 /* calls out to application code... */
140 _dbus_data_slot_list_free (&server->slot_list);
142 dbus_server_set_new_connection_function (server, NULL, NULL, NULL);
144 _dbus_watch_list_free (server->watches);
145 _dbus_timeout_list_free (server->timeouts);
147 _dbus_mutex_free (server->mutex);
149 dbus_free (server->address);
151 dbus_free_string_array (server->auth_mechanisms);
155 typedef dbus_bool_t (* DBusWatchAddFunction) (DBusWatchList *list,
157 typedef void (* DBusWatchRemoveFunction) (DBusWatchList *list,
159 typedef void (* DBusWatchToggleFunction) (DBusWatchList *list,
161 dbus_bool_t enabled);
164 protected_change_watch (DBusServer *server,
166 DBusWatchAddFunction add_function,
167 DBusWatchRemoveFunction remove_function,
168 DBusWatchToggleFunction toggle_function,
171 DBusWatchList *watches;
174 HAVE_LOCK_CHECK (server);
176 /* This isn't really safe or reasonable; a better pattern is the "do
177 * everything, then drop lock and call out" one; but it has to be
178 * propagated up through all callers
181 watches = server->watches;
184 server->watches = NULL;
185 _dbus_server_ref_unlocked (server);
186 SERVER_UNLOCK (server);
189 retval = (* add_function) (watches, watch);
190 else if (remove_function)
193 (* remove_function) (watches, watch);
198 (* toggle_function) (watches, watch, enabled);
201 SERVER_LOCK (server);
202 server->watches = watches;
203 _dbus_server_unref_unlocked (server);
212 * Adds a watch for this server, chaining out to application-provided
215 * @param server the server.
216 * @param watch the watch to add.
219 _dbus_server_add_watch (DBusServer *server,
222 HAVE_LOCK_CHECK (server);
223 return protected_change_watch (server, watch,
224 _dbus_watch_list_add_watch,
229 * Removes a watch previously added with _dbus_server_remove_watch().
231 * @param server the server.
232 * @param watch the watch to remove.
235 _dbus_server_remove_watch (DBusServer *server,
238 HAVE_LOCK_CHECK (server);
239 protected_change_watch (server, watch,
241 _dbus_watch_list_remove_watch,
246 * Toggles a watch and notifies app via server's
247 * DBusWatchToggledFunction if available. It's an error to call this
248 * function on a watch that was not previously added.
250 * @param server the server.
251 * @param watch the watch to toggle.
252 * @param enabled whether to enable or disable
255 _dbus_server_toggle_watch (DBusServer *server,
259 _dbus_assert (watch != NULL);
261 HAVE_LOCK_CHECK (server);
262 protected_change_watch (server, watch,
264 _dbus_watch_list_toggle_watch,
269 typedef dbus_bool_t (* DBusTimeoutAddFunction) (DBusTimeoutList *list,
270 DBusTimeout *timeout);
271 typedef void (* DBusTimeoutRemoveFunction) (DBusTimeoutList *list,
272 DBusTimeout *timeout);
273 typedef void (* DBusTimeoutToggleFunction) (DBusTimeoutList *list,
274 DBusTimeout *timeout,
275 dbus_bool_t enabled);
279 protected_change_timeout (DBusServer *server,
280 DBusTimeout *timeout,
281 DBusTimeoutAddFunction add_function,
282 DBusTimeoutRemoveFunction remove_function,
283 DBusTimeoutToggleFunction toggle_function,
286 DBusTimeoutList *timeouts;
289 HAVE_LOCK_CHECK (server);
291 /* This isn't really safe or reasonable; a better pattern is the "do everything, then
292 * drop lock and call out" one; but it has to be propagated up through all callers
295 timeouts = server->timeouts;
298 server->timeouts = NULL;
299 _dbus_server_ref_unlocked (server);
300 SERVER_UNLOCK (server);
303 retval = (* add_function) (timeouts, timeout);
304 else if (remove_function)
307 (* remove_function) (timeouts, timeout);
312 (* toggle_function) (timeouts, timeout, enabled);
315 SERVER_LOCK (server);
316 server->timeouts = timeouts;
317 _dbus_server_unref_unlocked (server);
326 * Adds a timeout for this server, chaining out to
327 * application-provided timeout handlers. The timeout should be
328 * repeatedly handled with dbus_timeout_handle() at its given interval
329 * until it is removed.
331 * @param server the server.
332 * @param timeout the timeout to add.
335 _dbus_server_add_timeout (DBusServer *server,
336 DBusTimeout *timeout)
338 return protected_change_timeout (server, timeout,
339 _dbus_timeout_list_add_timeout,
344 * Removes a timeout previously added with _dbus_server_add_timeout().
346 * @param server the server.
347 * @param timeout the timeout to remove.
350 _dbus_server_remove_timeout (DBusServer *server,
351 DBusTimeout *timeout)
353 protected_change_timeout (server, timeout,
355 _dbus_timeout_list_remove_timeout,
360 * Toggles a timeout and notifies app via server's
361 * DBusTimeoutToggledFunction if available. It's an error to call this
362 * function on a timeout that was not previously added.
364 * @param server the server.
365 * @param timeout the timeout to toggle.
366 * @param enabled whether to enable or disable
369 _dbus_server_toggle_timeout (DBusServer *server,
370 DBusTimeout *timeout,
373 protected_change_timeout (server, timeout,
375 _dbus_timeout_list_toggle_timeout,
383 * @addtogroup DBusServer
390 * @typedef DBusServer
392 * An opaque object representing a server that listens for
393 * connections from other applications. Each time a connection
394 * is made, a new DBusConnection is created and made available
395 * via an application-provided DBusNewConnectionFunction.
396 * The DBusNewConnectionFunction is provided with
397 * dbus_server_set_new_connection_function().
402 * Listens for new connections on the given address.
403 * Returns #NULL if listening fails for any reason.
404 * Otherwise returns a new #DBusServer.
405 * dbus_server_set_new_connection_function() and
406 * dbus_server_set_watch_functions() should be called
407 * immediately to render the server fully functional.
409 * @todo error messages on bad address could really be better.
410 * DBusResultCode is a bit limiting here.
412 * @param address the address of this server.
413 * @param error location to store rationale for failure.
414 * @returns a new DBusServer, or #NULL on failure.
418 dbus_server_listen (const char *address,
422 DBusAddressEntry **entries;
424 const char *address_problem_type;
425 const char *address_problem_field;
426 const char *address_problem_other;
428 _dbus_return_val_if_fail (address != NULL, NULL);
429 _dbus_return_val_if_error_is_set (error, NULL);
431 if (!dbus_parse_address (address, &entries, &len, error))
435 address_problem_type = NULL;
436 address_problem_field = NULL;
437 address_problem_other = NULL;
439 for (i = 0; i < len; i++)
441 const char *method = dbus_address_entry_get_method (entries[i]);
443 if (strcmp (method, "unix") == 0)
445 const char *path = dbus_address_entry_get_value (entries[i], "path");
446 const char *tmpdir = dbus_address_entry_get_value (entries[i], "tmpdir");
447 const char *abstract = dbus_address_entry_get_value (entries[i], "abstract");
449 if (path == NULL && tmpdir == NULL && abstract == NULL)
451 address_problem_type = "unix";
452 address_problem_field = "path or tmpdir or abstract";
456 if ((path && tmpdir) ||
457 (path && abstract) ||
458 (tmpdir && abstract))
460 address_problem_other = "cannot specify two of \"path\" and \"tmpdir\" and \"abstract\" at the same time";
466 DBusString full_path;
469 if (!_dbus_string_init (&full_path))
471 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
475 if (!_dbus_string_init (&filename))
477 _dbus_string_free (&full_path);
478 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
482 if (!_dbus_string_append (&filename,
484 !_dbus_generate_random_ascii (&filename, 10) ||
485 !_dbus_string_append (&full_path, tmpdir) ||
486 !_dbus_concat_dir_and_file (&full_path, &filename))
488 _dbus_string_free (&full_path);
489 _dbus_string_free (&filename);
490 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
494 /* FIXME - we will unconditionally unlink() the path if
495 * we don't support abstract namespace. unlink() does
496 * not follow symlinks, but would like independent
497 * confirmation this is safe enough. See also
498 * _dbus_listen_unix_socket() and comments therein.
501 /* Always use abstract namespace if possible with tmpdir */
504 _dbus_server_new_for_domain_socket (_dbus_string_get_const_data (&full_path),
505 #ifdef HAVE_ABSTRACT_SOCKETS
512 _dbus_string_free (&full_path);
513 _dbus_string_free (&filename);
518 server = _dbus_server_new_for_domain_socket (path, FALSE, error);
520 server = _dbus_server_new_for_domain_socket (abstract, TRUE, error);
523 else if (strcmp (method, "tcp") == 0)
525 const char *host = dbus_address_entry_get_value (entries[i], "host");
526 const char *port = dbus_address_entry_get_value (entries[i], "port");
533 address_problem_type = "tcp";
534 address_problem_field = "port";
538 _dbus_string_init_const (&str, port);
539 sresult = _dbus_string_parse_int (&str, 0, &lport, NULL);
540 _dbus_string_free (&str);
542 if (sresult == FALSE || lport <= 0 || lport > 65535)
544 address_problem_other = "Port is not an integer between 0 and 65535";
548 server = _dbus_server_new_for_tcp_socket (host, lport, error);
553 #ifdef DBUS_BUILD_TESTS
554 else if (strcmp (method, "debug-pipe") == 0)
556 const char *name = dbus_address_entry_get_value (entries[i], "name");
560 address_problem_type = "debug-pipe";
561 address_problem_field = "name";
565 server = _dbus_server_debug_pipe_new (name, error);
570 address_problem_other = "Unknown address type (examples of valid types are \"unix\" and \"tcp\")";
580 dbus_address_entries_free (entries);
584 dbus_address_entries_free (entries);
585 if (address_problem_type != NULL)
586 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
587 "Server address of type %s was missing argument %s",
588 address_problem_type, address_problem_field);
590 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
591 "Could not parse server address: %s",
592 address_problem_other);
598 * Increments the reference count of a DBusServer.
600 * @param server the server.
601 * @returns the server
604 dbus_server_ref (DBusServer *server)
606 _dbus_return_val_if_fail (server != NULL, NULL);
607 _dbus_return_val_if_fail (server->refcount.value > 0, NULL);
609 #ifdef DBUS_HAVE_ATOMIC_INT
610 _dbus_atomic_inc (&server->refcount);
612 SERVER_LOCK (server);
613 _dbus_assert (server->refcount.value > 0);
615 server->refcount.value += 1;
616 SERVER_UNLOCK (server);
623 * Decrements the reference count of a DBusServer. Finalizes the
624 * server if the reference count reaches zero.
626 * The server must be disconnected before the refcount reaches zero.
628 * @param server the server.
631 dbus_server_unref (DBusServer *server)
633 dbus_bool_t last_unref;
635 _dbus_return_if_fail (server != NULL);
636 _dbus_return_if_fail (server->refcount.value > 0);
638 #ifdef DBUS_HAVE_ATOMIC_INT
639 last_unref = (_dbus_atomic_dec (&server->refcount) == 1);
641 SERVER_LOCK (server);
643 _dbus_assert (server->refcount.value > 0);
645 server->refcount.value -= 1;
646 last_unref = (server->refcount.value == 0);
648 SERVER_UNLOCK (server);
654 _dbus_assert (server->disconnected);
656 _dbus_assert (server->vtable->finalize != NULL);
658 (* server->vtable->finalize) (server);
663 * Like dbus_server_ref() but does not acquire the lock (must already be held)
665 * @param server the server.
668 _dbus_server_ref_unlocked (DBusServer *server)
670 _dbus_assert (server != NULL);
671 _dbus_assert (server->refcount.value > 0);
673 HAVE_LOCK_CHECK (server);
675 #ifdef DBUS_HAVE_ATOMIC_INT
676 _dbus_atomic_inc (&server->refcount);
678 _dbus_assert (server->refcount.value > 0);
680 server->refcount.value += 1;
685 * Like dbus_server_unref() but does not acquire the lock (must already be held)
687 * @param server the server.
690 _dbus_server_unref_unlocked (DBusServer *server)
692 dbus_bool_t last_unref;
694 _dbus_assert (server != NULL);
695 _dbus_assert (server->refcount.value > 0);
697 HAVE_LOCK_CHECK (server);
699 #ifdef DBUS_HAVE_ATOMIC_INT
700 last_unref = (_dbus_atomic_dec (&server->refcount) == 1);
702 _dbus_assert (server->refcount.value > 0);
704 server->refcount.value -= 1;
705 last_unref = (server->refcount.value == 0);
710 _dbus_assert (server->disconnected);
712 SERVER_UNLOCK (server);
714 _dbus_assert (server->vtable->finalize != NULL);
716 (* server->vtable->finalize) (server);
721 * Releases the server's address and stops listening for
722 * new clients. If called more than once, only the first
723 * call has an effect. Does not modify the server's
726 * @param server the server.
729 dbus_server_disconnect (DBusServer *server)
731 _dbus_return_if_fail (server != NULL);
732 _dbus_return_if_fail (server->refcount.value > 0);
734 SERVER_LOCK (server);
735 _dbus_server_ref_unlocked (server);
737 _dbus_assert (server->vtable->disconnect != NULL);
739 if (!server->disconnected)
741 /* this has to be first so recursive calls to disconnect don't happen */
742 server->disconnected = TRUE;
744 (* server->vtable->disconnect) (server);
747 SERVER_UNLOCK (server);
748 dbus_server_unref (server);
752 * Returns #TRUE if the server is still listening for new connections.
754 * @param server the server.
757 dbus_server_get_is_connected (DBusServer *server)
761 _dbus_return_val_if_fail (server != NULL, FALSE);
763 SERVER_LOCK (server);
764 retval = !server->disconnected;
765 SERVER_UNLOCK (server);
771 * Returns the address of the server, as a newly-allocated
772 * string which must be freed by the caller.
774 * @param server the server
775 * @returns the address or #NULL if no memory
778 dbus_server_get_address (DBusServer *server)
782 _dbus_return_val_if_fail (server != NULL, NULL);
784 SERVER_LOCK (server);
785 retval = _dbus_strdup (server->address);
786 SERVER_UNLOCK (server);
792 * Sets a function to be used for handling new connections. The given
793 * function is passed each new connection as the connection is
794 * created. If the new connection function increments the connection's
795 * reference count, the connection will stay alive. Otherwise, the
796 * connection will be unreferenced and closed.
798 * @param server the server.
799 * @param function a function to handle new connections.
800 * @param data data to pass to the new connection handler.
801 * @param free_data_function function to free the data.
804 dbus_server_set_new_connection_function (DBusServer *server,
805 DBusNewConnectionFunction function,
807 DBusFreeFunction free_data_function)
809 DBusFreeFunction old_free_function;
812 _dbus_return_if_fail (server != NULL);
814 SERVER_LOCK (server);
815 old_free_function = server->new_connection_free_data_function;
816 old_data = server->new_connection_data;
818 server->new_connection_function = function;
819 server->new_connection_data = data;
820 server->new_connection_free_data_function = free_data_function;
821 SERVER_UNLOCK (server);
823 if (old_free_function != NULL)
824 (* old_free_function) (old_data);
828 * Sets the watch functions for the connection. These functions are
829 * responsible for making the application's main loop aware of file
830 * descriptors that need to be monitored for events.
832 * This function behaves exactly like dbus_connection_set_watch_functions();
833 * see the documentation for that routine.
835 * @param server the server.
836 * @param add_function function to begin monitoring a new descriptor.
837 * @param remove_function function to stop monitoring a descriptor.
838 * @param toggled_function function to notify when the watch is enabled/disabled
839 * @param data data to pass to add_function and remove_function.
840 * @param free_data_function function to be called to free the data.
841 * @returns #FALSE on failure (no memory)
844 dbus_server_set_watch_functions (DBusServer *server,
845 DBusAddWatchFunction add_function,
846 DBusRemoveWatchFunction remove_function,
847 DBusWatchToggledFunction toggled_function,
849 DBusFreeFunction free_data_function)
852 DBusWatchList *watches;
854 _dbus_return_val_if_fail (server != NULL, FALSE);
856 SERVER_LOCK (server);
857 watches = server->watches;
858 server->watches = NULL;
861 SERVER_UNLOCK (server);
862 result = _dbus_watch_list_set_functions (watches,
868 SERVER_LOCK (server);
872 _dbus_warn ("Re-entrant call to %s\n", _DBUS_FUNCTION_NAME);
875 server->watches = watches;
876 SERVER_UNLOCK (server);
882 * Sets the timeout functions for the connection. These functions are
883 * responsible for making the application's main loop aware of timeouts.
885 * This function behaves exactly like dbus_connection_set_timeout_functions();
886 * see the documentation for that routine.
888 * @param server the server.
889 * @param add_function function to add a timeout.
890 * @param remove_function function to remove a timeout.
891 * @param toggled_function function to notify when the timeout is enabled/disabled
892 * @param data data to pass to add_function and remove_function.
893 * @param free_data_function function to be called to free the data.
894 * @returns #FALSE on failure (no memory)
897 dbus_server_set_timeout_functions (DBusServer *server,
898 DBusAddTimeoutFunction add_function,
899 DBusRemoveTimeoutFunction remove_function,
900 DBusTimeoutToggledFunction toggled_function,
902 DBusFreeFunction free_data_function)
905 DBusTimeoutList *timeouts;
907 _dbus_return_val_if_fail (server != NULL, FALSE);
909 SERVER_LOCK (server);
910 timeouts = server->timeouts;
911 server->timeouts = NULL;
914 SERVER_UNLOCK (server);
915 result = _dbus_timeout_list_set_functions (timeouts,
921 SERVER_LOCK (server);
925 _dbus_warn ("Re-entrant call to %s\n", _DBUS_FUNCTION_NAME);
928 server->timeouts = timeouts;
929 SERVER_UNLOCK (server);
935 * Sets the authentication mechanisms that this server offers
936 * to clients, as a list of SASL mechanisms. This function
937 * only affects connections created *after* it is called.
938 * Pass #NULL instead of an array to use all available mechanisms.
940 * @param server the server
941 * @param mechanisms #NULL-terminated array of mechanisms
942 * @returns #FALSE if no memory
945 dbus_server_set_auth_mechanisms (DBusServer *server,
946 const char **mechanisms)
950 _dbus_return_val_if_fail (server != NULL, FALSE);
952 SERVER_LOCK (server);
954 if (mechanisms != NULL)
956 copy = _dbus_dup_string_array (mechanisms);
963 dbus_free_string_array (server->auth_mechanisms);
964 server->auth_mechanisms = copy;
966 SERVER_UNLOCK (server);
972 static DBusDataSlotAllocator slot_allocator;
973 _DBUS_DEFINE_GLOBAL_LOCK (server_slots);
976 * Allocates an integer ID to be used for storing application-specific
977 * data on any DBusServer. The allocated ID may then be used
978 * with dbus_server_set_data() and dbus_server_get_data().
979 * The slot must be initialized with -1. If a nonnegative
980 * slot is passed in, the refcount is incremented on that
981 * slot, rather than creating a new slot.
983 * The allocated slot is global, i.e. all DBusServer objects will have
984 * a slot with the given integer ID reserved.
986 * @param slot_p address of global variable storing the slot ID
987 * @returns #FALSE on no memory
990 dbus_server_allocate_data_slot (dbus_int32_t *slot_p)
992 return _dbus_data_slot_allocator_alloc (&slot_allocator,
993 _DBUS_LOCK_NAME (server_slots),
998 * Deallocates a global ID for server data slots.
999 * dbus_server_get_data() and dbus_server_set_data()
1000 * may no longer be used with this slot.
1001 * Existing data stored on existing DBusServer objects
1002 * will be freed when the server is finalized,
1003 * but may not be retrieved (and may only be replaced
1004 * if someone else reallocates the slot).
1006 * @param slot_p address of the slot to deallocate
1009 dbus_server_free_data_slot (dbus_int32_t *slot_p)
1011 _dbus_return_if_fail (*slot_p >= 0);
1013 _dbus_data_slot_allocator_free (&slot_allocator, slot_p);
1017 * Stores a pointer on a DBusServer, along
1018 * with an optional function to be used for freeing
1019 * the data when the data is set again, or when
1020 * the server is finalized. The slot number
1021 * must have been allocated with dbus_server_allocate_data_slot().
1023 * @param server the server
1024 * @param slot the slot number
1025 * @param data the data to store
1026 * @param free_data_func finalizer function for the data
1027 * @returns #TRUE if there was enough memory to store the data
1030 dbus_server_set_data (DBusServer *server,
1033 DBusFreeFunction free_data_func)
1035 DBusFreeFunction old_free_func;
1039 _dbus_return_val_if_fail (server != NULL, FALSE);
1041 SERVER_LOCK (server);
1043 retval = _dbus_data_slot_list_set (&slot_allocator,
1045 slot, data, free_data_func,
1046 &old_free_func, &old_data);
1049 SERVER_UNLOCK (server);
1053 /* Do the actual free outside the server lock */
1055 (* old_free_func) (old_data);
1062 * Retrieves data previously set with dbus_server_set_data().
1063 * The slot must still be allocated (must not have been freed).
1065 * @param server the server
1066 * @param slot the slot to get data from
1067 * @returns the data, or #NULL if not found
1070 dbus_server_get_data (DBusServer *server,
1075 _dbus_return_val_if_fail (server != NULL, NULL);
1077 SERVER_LOCK (server);
1079 res = _dbus_data_slot_list_get (&slot_allocator,
1083 SERVER_UNLOCK (server);
1090 #ifdef DBUS_BUILD_TESTS
1091 #include "dbus-test.h"
1094 _dbus_server_test (void)
1096 const char *valid_addresses[] = {
1098 "unix:path=./boogie",
1099 "tcp:host=localhost,port=1234",
1100 "tcp:host=localhost,port=1234;tcp:port=5678",
1101 "tcp:port=1234;unix:path=./boogie",
1107 for (i = 0; i < _DBUS_N_ELEMENTS (valid_addresses); i++)
1109 server = dbus_server_listen (valid_addresses[i], NULL);
1111 _dbus_assert_not_reached ("Failed to listen for valid address.");
1113 dbus_server_disconnect (server);
1114 dbus_server_unref (server);
1116 /* Try disconnecting before unreffing */
1117 server = dbus_server_listen (valid_addresses[i], NULL);
1119 _dbus_assert_not_reached ("Failed to listen for valid address.");
1121 dbus_server_disconnect (server);
1122 dbus_server_unref (server);
1128 #endif /* DBUS_BUILD_TESTS */