25 #include "dbus-shared.h"
26 #include "dbus-connection.h"
27 #include "dbus-list.h"
28 #include "dbus-timeout.h"
29 #include "dbus-transport.h"
30 #include "dbus-watch.h"
31 #include "dbus-connection-internal.h"
32 #include "dbus-pending-call-internal.h"
33 #include "dbus-list.h"
34 #include "dbus-hash.h"
35 #include "dbus-message-internal.h"
36 #include "dbus-message-private.h"
37 #include "dbus-threads.h"
38 #include "dbus-protocol.h"
39 #include "dbus-dataslot.h"
40 #include "dbus-string.h"
41 #include "dbus-signature.h"
42 #include "dbus-pending-call.h"
43 #include "dbus-object-tree.h"
44 #include "dbus-threads-internal.h"
46 #include "dbus-marshal-basic.h"
48 #ifdef DBUS_DISABLE_CHECKS
49 #define TOOK_LOCK_CHECK(connection)
50 #define RELEASING_LOCK_CHECK(connection)
51 #define HAVE_LOCK_CHECK(connection)
53 #define TOOK_LOCK_CHECK(connection) do { \
54 _dbus_assert (!(connection)->have_connection_lock); \
55 (connection)->have_connection_lock = TRUE; \
57 #define RELEASING_LOCK_CHECK(connection) do { \
58 _dbus_assert ((connection)->have_connection_lock); \
59 (connection)->have_connection_lock = FALSE; \
61 #define HAVE_LOCK_CHECK(connection) _dbus_assert ((connection)->have_connection_lock)
67 #define CONNECTION_LOCK(connection) do { \
68 if (TRACE_LOCKS) { _dbus_verbose ("LOCK\n"); } \
69 _dbus_rmutex_lock ((connection)->mutex); \
70 TOOK_LOCK_CHECK (connection); \
73 #define CONNECTION_UNLOCK(connection) _dbus_connection_unlock (connection)
75 #define SLOTS_LOCK(connection) do { \
76 _dbus_rmutex_lock ((connection)->slot_mutex); \
79 #define SLOTS_UNLOCK(connection) do { \
80 _dbus_rmutex_unlock ((connection)->slot_mutex); \
83 #define DISPATCH_STATUS_NAME(s) \
84 ((s) == DBUS_DISPATCH_COMPLETE ? "complete" : \
85 (s) == DBUS_DISPATCH_DATA_REMAINS ? "data remains" : \
86 (s) == DBUS_DISPATCH_NEED_MEMORY ? "need memory" : \
206 #ifdef DBUS_ENABLE_VERBOSE_MODE
213 static int enabled = -1;
215 _dbus_trace_ref (
"DBusConnection", connection, old_refcount, new_refcount,
216 why,
"DBUS_CONNECTION_TRACE", &enabled);
219 #define _dbus_connection_trace_ref(c,o,n,w) \
254 #if HAVE_DECL_MSG_NOSIGNAL
336 #ifndef DBUS_DISABLE_CHECKS
340 #ifndef DBUS_DISABLE_CHECKS
346 static void _dbus_connection_update_dispatch_status_and_unlock (
DBusConnection *connection,
348 static void _dbus_connection_last_unref (
DBusConnection *connection);
349 static void _dbus_connection_acquire_dispatch (
DBusConnection *connection);
350 static void _dbus_connection_release_dispatch (
DBusConnection *connection);
352 static void _dbus_connection_close_possibly_shared_and_unlock (
DBusConnection *connection);
360 #ifdef DBUS_DISABLE_ASSERT
413 _dbus_verbose (
"UNLOCK\n");
421 RELEASING_LOCK_CHECK (connection);
449 #ifdef DBUS_BUILD_TESTS
498 message = link->
data;
502 if (reply_serial != 0)
520 _dbus_connection_wakeup_mainloop (connection);
522 _dbus_verbose (
"Message %p (%s %s %s %s '%s' reply to %u) added to incoming queue %p, %d incoming\n",
539 _dbus_message_trace_ref (message, -1, -1,
540 "_dbus_conection_queue_received_message_link");
555 HAVE_LOCK_CHECK (connection);
561 _dbus_connection_wakeup_mainloop (connection);
563 _dbus_message_trace_ref (link->
data, -1, -1,
564 "_dbus_connection_queue_synthesized_message_link");
566 _dbus_verbose (
"Synthesized message %p added to incoming queue %p, %d incoming\n",
581 HAVE_LOCK_CHECK (connection);
599 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
618 HAVE_LOCK_CHECK (connection);
637 HAVE_LOCK_CHECK (connection);
654 _dbus_verbose (
"Message %p (%s %s %s %s '%s') removed from outgoing queue %p, %d left to send\n",
697 HAVE_LOCK_CHECK (connection);
720 retval = (* add_function) (connection->
watches, watch);
721 else if (remove_function)
724 (* remove_function) (connection->
watches, watch);
729 (* toggle_function) (connection->
watches, watch, enabled);
753 return protected_change_watch (connection, watch,
771 protected_change_watch (connection, watch,
794 protected_change_watch (connection, watch,
821 HAVE_LOCK_CHECK (connection);
844 retval = (* add_function) (connection->
timeouts, timeout);
845 else if (remove_function)
848 (* remove_function) (connection->
timeouts, timeout);
853 (* toggle_function) (connection->
timeouts, timeout, enabled);
877 return protected_change_timeout (connection, timeout,
895 protected_change_timeout (connection, timeout,
916 protected_change_timeout (connection, timeout,
923 _dbus_connection_attach_pending_call_unlocked (
DBusConnection *connection,
929 HAVE_LOCK_CHECK (connection);
949 HAVE_LOCK_CHECK (connection);
961 HAVE_LOCK_CHECK (connection);
968 HAVE_LOCK_CHECK (connection);
974 free_pending_call_on_hash_removal (
void *data)
986 HAVE_LOCK_CHECK (connection);
1008 _dbus_connection_detach_pending_call_unlocked (
DBusConnection *connection,
1019 _dbus_connection_detach_pending_call_and_unlock (
DBusConnection *connection,
1055 _dbus_connection_detach_pending_call_and_unlock (connection, pending);
1069 int timeout_milliseconds)
1073 HAVE_LOCK_CHECK (connection);
1081 _dbus_verbose (
"locking io_path_mutex\n");
1084 _dbus_verbose (
"start connection->io_path_acquired = %d timeout = %d\n",
1087 we_acquired =
FALSE;
1091 if (timeout_milliseconds != -1)
1093 _dbus_verbose (
"waiting %d for IO path to be acquirable\n",
1094 timeout_milliseconds);
1098 timeout_milliseconds))
1114 _dbus_verbose (
"waiting for IO path to be acquirable\n");
1127 _dbus_verbose (
"end connection->io_path_acquired = %d we_acquired = %d\n",
1130 _dbus_verbose (
"unlocking io_path_mutex\n");
1135 HAVE_LOCK_CHECK (connection);
1152 HAVE_LOCK_CHECK (connection);
1154 _dbus_verbose (
"locking io_path_mutex\n");
1159 _dbus_verbose (
"start connection->io_path_acquired = %d\n",
1165 _dbus_verbose (
"unlocking io_path_mutex\n");
1208 int timeout_milliseconds)
1210 _dbus_verbose (
"start\n");
1212 HAVE_LOCK_CHECK (connection);
1215 flags &= ~DBUS_ITERATION_DO_WRITING;
1217 if (_dbus_connection_acquire_io_path (connection,
1218 (flags & DBUS_ITERATION_BLOCK) ? timeout_milliseconds : 0))
1220 HAVE_LOCK_CHECK (connection);
1224 _dbus_verbose (
"pending call completed while acquiring I/O path");
1226 else if ( (pending !=
NULL) &&
1227 _dbus_connection_peek_for_reply_unlocked (connection,
1230 _dbus_verbose (
"pending call completed while acquiring I/O path (reply found in queue)");
1235 flags, timeout_milliseconds);
1238 _dbus_connection_release_io_path (connection);
1241 HAVE_LOCK_CHECK (connection);
1243 _dbus_verbose (
"end\n");
1269 pending_replies =
NULL;
1270 timeout_list =
NULL;
1271 disconnect_link =
NULL;
1272 disconnect_message =
NULL;
1273 outgoing_counter =
NULL;
1277 if (watch_list ==
NULL)
1281 if (timeout_list ==
NULL)
1288 if (pending_replies ==
NULL)
1292 if (connection ==
NULL)
1323 if (disconnect_message ==
NULL)
1327 if (disconnect_link ==
NULL)
1331 if (outgoing_counter ==
NULL)
1335 if (objects ==
NULL)
1338 if (_dbus_modify_sigpipe)
1344 connection->
watches = watch_list;
1345 connection->
timeouts = timeout_list;
1350 connection->
objects = objects;
1357 #ifndef DBUS_DISABLE_CHECKS
1380 _dbus_connection_trace_ref (connection, 0, 1,
"new_for_transport");
1384 if (disconnect_message !=
NULL)
1387 if (disconnect_link !=
NULL)
1390 if (connection !=
NULL)
1400 if (pending_replies)
1409 if (outgoing_counter)
1433 HAVE_LOCK_CHECK (connection);
1436 _dbus_connection_trace_ref (connection, old_refcount, old_refcount + 1,
1453 HAVE_LOCK_CHECK (connection);
1459 _dbus_connection_trace_ref (connection, old_refcount, old_refcount - 1,
1462 if (old_refcount == 1)
1463 _dbus_connection_last_unref (connection);
1467 _dbus_connection_get_next_client_serial (
DBusConnection *connection)
1494 unsigned int condition,
1503 _dbus_verbose (
"start\n");
1507 if (!_dbus_connection_acquire_io_path (connection, 1))
1514 HAVE_LOCK_CHECK (connection);
1518 _dbus_connection_release_io_path (connection);
1520 HAVE_LOCK_CHECK (connection);
1522 _dbus_verbose (
"middle\n");
1524 status = _dbus_connection_get_dispatch_status_unlocked (connection);
1527 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
1529 _dbus_verbose (
"end\n");
1555 shared_connections_shutdown (
void *data)
1573 close_connection_on_shutdown (connection);
1583 shared_connections =
NULL;
1585 if (shared_connections_no_guid !=
NULL)
1589 while (connection !=
NULL)
1592 close_connection_on_shutdown (connection);
1598 shared_connections_no_guid =
NULL;
1607 _dbus_verbose (
"checking for existing connection\n");
1613 if (shared_connections ==
NULL)
1615 _dbus_verbose (
"creating shared_connections hash table\n");
1620 if (shared_connections ==
NULL)
1629 shared_connections =
NULL;
1634 _dbus_verbose (
" successfully created shared_connections\n");
1669 if (_dbus_connection_get_is_connected_unlocked (connection))
1672 *result = connection;
1673 _dbus_verbose (
"looked up existing connection to server guid %s\n",
1678 _dbus_verbose (
"looked up existing connection to server guid %s but it was disconnected so ignoring it\n",
1695 char *guid_in_connection;
1697 HAVE_LOCK_CHECK (connection);
1727 if (guid_key ==
NULL)
1731 if (guid_in_connection ==
NULL)
1741 guid_key, connection))
1751 _dbus_verbose (
"stored connection to %s to be shared\n",
1764 HAVE_LOCK_CHECK (connection);
1773 _dbus_verbose (
"dropping connection to %s out of the shared table\n",
1803 if (transport ==
NULL)
1805 _DBUS_ASSERT_ERROR_IS_SET (error);
1813 if (connection ==
NULL)
1815 _DBUS_SET_OOM (error);
1819 #ifndef DBUS_DISABLE_CHECKS
1838 _dbus_connection_open_internal (
const char *address,
1848 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1850 _dbus_verbose (
"opening %s connection to: %s\n",
1851 shared ?
"shared" :
"private", address);
1856 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1860 for (i = 0; i < len; i++)
1864 if (!connection_lookup_shared (entries[i], &connection))
1865 _DBUS_SET_OOM (&tmp_error);
1868 if (connection ==
NULL)
1870 connection = connection_try_from_address_entry (entries[i],
1873 if (connection !=
NULL && shared)
1884 if (!connection_record_shared_unlocked (connection, guid))
1886 _DBUS_SET_OOM (&tmp_error);
1887 _dbus_connection_close_possibly_shared_and_unlock (connection);
1899 _DBUS_ASSERT_ERROR_IS_SET (&tmp_error);
1907 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1908 _DBUS_ASSERT_ERROR_IS_CLEAR (&tmp_error);
1910 if (connection ==
NULL)
1912 _DBUS_ASSERT_ERROR_IS_SET (&first_error);
1937 _dbus_connection_close_possibly_shared_and_unlock (connection);
1941 _dbus_connection_preallocate_send_unlocked (
DBusConnection *connection)
1945 HAVE_LOCK_CHECK (connection);
1950 if (preallocated ==
NULL)
1965 return preallocated;
1977 _dbus_connection_send_preallocated_unlocked_no_update (
DBusConnection *connection,
1994 preallocated =
NULL;
2000 _dbus_verbose (
"Message %p (%s %s %s %s '%s') for %s added to outgoing queue %p, %d pending to send\n",
2021 serial = _dbus_connection_get_next_client_serial (connection);
2024 *client_serial = serial;
2032 _dbus_verbose (
"Message %p serial is %u\n",
2042 DBUS_ITERATION_DO_WRITING,
2047 _dbus_connection_wakeup_mainloop (connection);
2051 _dbus_connection_send_preallocated_and_unlock (
DBusConnection *connection,
2058 HAVE_LOCK_CHECK (connection);
2060 _dbus_connection_send_preallocated_unlocked_no_update (connection,
2062 message, client_serial);
2064 _dbus_verbose (
"middle\n");
2065 status = _dbus_connection_get_dispatch_status_unlocked (connection);
2068 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
2090 preallocated = _dbus_connection_preallocate_send_unlocked (connection);
2091 if (preallocated ==
NULL)
2097 _dbus_connection_send_preallocated_and_unlock (connection,
2140 _dbus_connection_close_possibly_shared_and_unlock (connection);
2156 _dbus_memory_pause_based_on_timeout (
int timeout_milliseconds)
2158 if (timeout_milliseconds == -1)
2160 else if (timeout_milliseconds < 100)
2162 else if (timeout_milliseconds <= 1000)
2195 if (error_msg !=
NULL)
2218 _dbus_connection_peek_for_reply_unlocked (
DBusConnection *connection,
2222 HAVE_LOCK_CHECK (connection);
2226 while (link !=
NULL)
2232 _dbus_verbose (
"%s reply to %d found in queue\n", _DBUS_FUNCTION_NAME, client_serial);
2250 HAVE_LOCK_CHECK (connection);
2254 while (link !=
NULL)
2271 connection_timeout_and_complete_all_pending_calls_unlocked (
DBusConnection *connection)
2301 HAVE_LOCK_CHECK (connection);
2311 _dbus_connection_detach_pending_call_and_unlock (connection, pending);
2319 check_for_reply_and_update_dispatch_unlocked (
DBusConnection *connection,
2325 reply = check_for_reply_unlocked (connection,
2329 _dbus_verbose (
"checked for reply\n");
2331 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): got reply\n");
2333 complete_pending_call_and_unlock (connection, pending, reply);
2337 status = _dbus_connection_get_dispatch_status_unlocked (connection);
2338 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
2364 long start_tv_sec, start_tv_usec;
2365 long tv_sec, tv_usec;
2370 int timeout_milliseconds = -1, elapsed_milliseconds;
2387 _dbus_connection_flush_unlocked (connection, timeout_milliseconds);
2401 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): will block %d milliseconds for reply serial %u from %ld sec %ld usec\n",
2402 timeout_milliseconds,
2404 start_tv_sec, start_tv_usec);
2408 timeout_milliseconds = -1;
2410 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): will block for reply serial %u\n", client_serial);
2415 if (check_for_reply_and_update_dispatch_unlocked (connection, pending))
2422 DBUS_ITERATION_DO_READING |
2423 DBUS_ITERATION_BLOCK,
2424 timeout_milliseconds);
2428 _dbus_verbose (
"top of recheck\n");
2430 HAVE_LOCK_CHECK (connection);
2434 status = _dbus_connection_get_dispatch_status_unlocked (connection);
2441 _dbus_verbose (
"Pending call completed by dispatch\n");
2442 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
2449 if (check_for_reply_and_update_dispatch_unlocked (connection, pending))
2454 elapsed_milliseconds = (tv_sec - start_tv_sec) * 1000 +
2455 (tv_usec - start_tv_usec) / 1000;
2457 if (!_dbus_connection_get_is_connected_unlocked (connection))
2461 error_msg = generate_local_error_message (client_serial,
2463 "Connection was disconnected before a reply was received");
2466 complete_pending_call_and_unlock (connection, pending, error_msg);
2471 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): disconnected\n");
2472 else if (timeout ==
NULL)
2480 _dbus_verbose (
"dbus_connection_send_with_reply_and_block() waiting for more memory\n");
2482 _dbus_memory_pause_based_on_timeout (timeout_milliseconds - elapsed_milliseconds);
2489 DBUS_ITERATION_DO_READING |
2490 DBUS_ITERATION_BLOCK,
2491 timeout_milliseconds - elapsed_milliseconds);
2494 goto recheck_status;
2496 else if (tv_sec < start_tv_sec)
2497 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): clock set backward\n");
2498 else if (elapsed_milliseconds < timeout_milliseconds)
2500 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): %d milliseconds remain\n", timeout_milliseconds - elapsed_milliseconds);
2508 _dbus_verbose (
"dbus_connection_send_with_reply_and_block() waiting for more memory\n");
2510 _dbus_memory_pause_based_on_timeout (timeout_milliseconds - elapsed_milliseconds);
2517 DBUS_ITERATION_DO_READING |
2518 DBUS_ITERATION_BLOCK,
2519 timeout_milliseconds - elapsed_milliseconds);
2522 goto recheck_status;
2525 _dbus_verbose (
"dbus_connection_send_with_reply_and_block(): Waited %d milliseconds and got no reply\n",
2526 elapsed_milliseconds);
2531 complete_pending_call_and_unlock (connection, pending,
NULL);
2535 status = _dbus_connection_get_dispatch_status_unlocked (connection);
2536 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
2582 _dbus_return_val_if_fail (address !=
NULL,
NULL);
2583 _dbus_return_val_if_error_is_set (error,
NULL);
2585 connection = _dbus_connection_open_internal (address,
2625 _dbus_return_val_if_fail (address !=
NULL,
NULL);
2626 _dbus_return_val_if_error_is_set (error,
NULL);
2628 connection = _dbus_connection_open_internal (address,
2646 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
2649 _dbus_connection_trace_ref (connection, old_refcount, old_refcount + 1,
2656 free_outgoing_message (
void *element,
2675 _dbus_verbose (
"Finalizing connection %p\n", connection);
2701 while (link !=
NULL)
2707 _dbus_message_filter_unref (filter);
2724 free_outgoing_message,
2781 _dbus_return_if_fail (connection !=
NULL);
2786 _dbus_connection_trace_ref (connection, old_refcount, old_refcount - 1,
2789 if (old_refcount == 1)
2791 #ifndef DBUS_DISABLE_CHECKS
2794 _dbus_warn_check_failed (
"The last reference on a connection was dropped without closing the connection. This is a bug in an application. See dbus_connection_unref() documentation for details.\n%s",
2796 "Most likely, the application called unref() too many times and removed a reference belonging to libdbus, since this is a shared connection.\n" :
2797 "Most likely, the application was supposed to call dbus_connection_close(), since this is a private connection.\n");
2801 _dbus_connection_last_unref (connection);
2815 _dbus_connection_close_possibly_shared_and_unlock (
DBusConnection *connection)
2819 HAVE_LOCK_CHECK (connection);
2821 _dbus_verbose (
"Disconnecting %p\n", connection);
2840 status = _dbus_connection_get_dispatch_status_unlocked (connection);
2843 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
2894 _dbus_return_if_fail (connection !=
NULL);
2899 #ifndef DBUS_DISABLE_CHECKS
2904 _dbus_warn_check_failed (
"Applications must not close shared connections - see dbus_connection_close() docs. This is a bug in the application.\n");
2909 _dbus_connection_close_possibly_shared_and_unlock (connection);
2913 _dbus_connection_get_is_connected_unlocked (
DBusConnection *connection)
2915 HAVE_LOCK_CHECK (connection);
2937 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
2940 res = _dbus_connection_get_is_connected_unlocked (connection);
2959 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
2993 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3038 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
3068 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3076 #ifdef HAVE_UNIX_FD_PASSING
3108 _dbus_return_if_fail (connection !=
NULL);
3129 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
3134 _dbus_connection_preallocate_send_unlocked (connection);
3138 return preallocated;
3154 _dbus_return_if_fail (connection !=
NULL);
3155 _dbus_return_if_fail (preallocated !=
NULL);
3156 _dbus_return_if_fail (connection == preallocated->
connection);
3182 _dbus_return_if_fail (connection !=
NULL);
3183 _dbus_return_if_fail (preallocated !=
NULL);
3184 _dbus_return_if_fail (message !=
NULL);
3185 _dbus_return_if_fail (preallocated->
connection == connection);
3194 #ifdef HAVE_UNIX_FD_PASSING
3197 message->n_unix_fds > 0)
3208 _dbus_connection_send_preallocated_and_unlock (connection,
3210 message, client_serial);
3214 _dbus_connection_send_unlocked_no_update (
DBusConnection *connection,
3223 preallocated = _dbus_connection_preallocate_send_unlocked (connection);
3224 if (preallocated ==
NULL)
3227 _dbus_connection_send_preallocated_unlocked_no_update (connection,
3266 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3267 _dbus_return_val_if_fail (message !=
NULL,
FALSE);
3271 #ifdef HAVE_UNIX_FD_PASSING
3274 message->n_unix_fds > 0)
3291 reply_handler_timeout (
void *data)
3306 _dbus_verbose (
"middle\n");
3307 status = _dbus_connection_get_dispatch_status_unlocked (connection);
3310 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
3362 int timeout_milliseconds)
3368 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3369 _dbus_return_val_if_fail (message !=
NULL,
FALSE);
3370 _dbus_return_val_if_fail (timeout_milliseconds >= 0 || timeout_milliseconds == -1,
FALSE);
3373 *pending_return =
NULL;
3377 #ifdef HAVE_UNIX_FD_PASSING
3380 message->n_unix_fds > 0)
3392 if (!_dbus_connection_get_is_connected_unlocked (connection))
3400 timeout_milliseconds,
3401 reply_handler_timeout);
3403 if (pending ==
NULL)
3413 serial = _dbus_connection_get_next_client_serial (connection);
3424 if (!_dbus_connection_attach_pending_call_unlocked (connection,
3428 if (!_dbus_connection_send_unlocked_no_update (connection, message,
NULL))
3430 _dbus_connection_detach_pending_call_and_unlock (connection,
3432 goto error_unlocked;
3436 *pending_return = pending;
3439 _dbus_connection_detach_pending_call_unlocked (connection, pending);
3445 status = _dbus_connection_get_dispatch_status_unlocked (connection);
3448 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
3450 if (pending_return ==
NULL)
3497 int timeout_milliseconds,
3503 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
3504 _dbus_return_val_if_fail (message !=
NULL,
NULL);
3505 _dbus_return_val_if_fail (timeout_milliseconds >= 0 || timeout_milliseconds == -1,
NULL);
3506 _dbus_return_val_if_error_is_set (error,
NULL);
3508 #ifdef HAVE_UNIX_FD_PASSING
3512 message->n_unix_fds > 0)
3523 &pending, timeout_milliseconds))
3525 _DBUS_SET_OOM (error);
3529 if (pending ==
NULL)
3563 _dbus_connection_flush_unlocked (
DBusConnection *connection,
int timeout_milliseconds)
3571 long start_tv_sec, start_tv_usec;
3572 long tv_sec, tv_usec;
3573 int elapsed_milliseconds = 0;
3575 HAVE_LOCK_CHECK (connection);
3580 _dbus_connection_get_is_connected_unlocked (connection))
3582 _dbus_verbose (
"doing iteration in\n");
3584 if (timeout_milliseconds >= 0)
3587 elapsed_milliseconds = (tv_sec - start_tv_sec) * 1000 +
3588 (tv_usec - start_tv_usec) / 1000;
3590 if (elapsed_milliseconds >= timeout_milliseconds)
3594 HAVE_LOCK_CHECK (connection);
3597 DBUS_ITERATION_DO_READING |
3598 DBUS_ITERATION_DO_WRITING |
3599 DBUS_ITERATION_BLOCK,
3600 timeout_milliseconds - elapsed_milliseconds);
3603 HAVE_LOCK_CHECK (connection);
3604 _dbus_verbose (
"middle\n");
3605 status = _dbus_connection_get_dispatch_status_unlocked (connection);
3607 HAVE_LOCK_CHECK (connection);
3626 _dbus_return_if_fail (connection !=
NULL);
3630 status = _dbus_connection_flush_unlocked (connection, -1);
3632 HAVE_LOCK_CHECK (connection);
3634 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
3636 _dbus_verbose (
"end\n");
3650 _dbus_connection_read_write_dispatch (
DBusConnection *connection,
3651 int timeout_milliseconds,
3666 _dbus_verbose (
"doing dispatch\n");
3672 _dbus_verbose (
"pausing for memory\n");
3673 _dbus_memory_pause_based_on_timeout (timeout_milliseconds);
3679 if (_dbus_connection_get_is_connected_unlocked (connection))
3681 _dbus_verbose (
"doing iteration\n");
3684 DBUS_ITERATION_DO_READING |
3685 DBUS_ITERATION_DO_WRITING |
3686 DBUS_ITERATION_BLOCK,
3687 timeout_milliseconds);
3691 HAVE_LOCK_CHECK (connection);
3697 progress_possible = connection->
n_incoming != 0 ||
3700 progress_possible = _dbus_connection_get_is_connected_unlocked (connection);
3706 return progress_possible;
3746 int timeout_milliseconds)
3748 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3749 _dbus_return_val_if_fail (timeout_milliseconds >= 0 || timeout_milliseconds == -1,
FALSE);
3750 return _dbus_connection_read_write_dispatch(connection, timeout_milliseconds,
TRUE);
3778 int timeout_milliseconds)
3780 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
3781 _dbus_return_val_if_fail (timeout_milliseconds >= 0 || timeout_milliseconds == -1,
FALSE);
3782 return _dbus_connection_read_write_dispatch(connection, timeout_milliseconds,
FALSE);
3791 check_disconnected_message_arrived_unlocked (
DBusConnection *connection,
3794 HAVE_LOCK_CHECK (connection);
3831 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
3833 _dbus_verbose (
"start\n");
3844 _dbus_connection_acquire_dispatch (connection);
3853 check_disconnected_message_arrived_unlocked (connection, message);
3856 if (message ==
NULL)
3857 _dbus_connection_release_dispatch (connection);
3861 _dbus_message_trace_ref (message, -1, -1,
"dbus_connection_borrow_message");
3882 _dbus_return_if_fail (connection !=
NULL);
3883 _dbus_return_if_fail (message !=
NULL);
3893 _dbus_connection_release_dispatch (connection);
3895 status = _dbus_connection_get_dispatch_status_unlocked (connection);
3896 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
3898 _dbus_message_trace_ref (message, -1, -1,
"dbus_connection_return_message");
3917 _dbus_return_if_fail (connection !=
NULL);
3918 _dbus_return_if_fail (message !=
NULL);
3932 _dbus_verbose (
"Incoming message %p stolen from queue, %d incoming\n",
3937 _dbus_connection_release_dispatch (connection);
3939 status = _dbus_connection_get_dispatch_status_unlocked (connection);
3940 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
3941 _dbus_message_trace_ref (message, -1, -1,
3942 "dbus_connection_steal_borrowed_message");
3949 _dbus_connection_pop_message_link_unlocked (
DBusConnection *connection)
3951 HAVE_LOCK_CHECK (connection);
3962 _dbus_verbose (
"Message %p (%s %s %s %s '%s') removed from incoming queue %p, %d incoming\n",
3977 _dbus_message_trace_ref (link->
data, -1, -1,
3978 "_dbus_connection_pop_message_link_unlocked");
3980 check_disconnected_message_arrived_unlocked (connection, link->
data);
3992 _dbus_connection_pop_message_unlocked (
DBusConnection *connection)
3996 HAVE_LOCK_CHECK (connection);
3998 link = _dbus_connection_pop_message_link_unlocked (connection);
4004 message = link->
data;
4015 _dbus_connection_putback_message_link_unlocked (
DBusConnection *connection,
4018 HAVE_LOCK_CHECK (connection);
4030 _dbus_verbose (
"Message %p (%s %s %s '%s') put back into queue %p, %d incoming\n",
4042 _dbus_message_trace_ref (message_link->
data, -1, -1,
4043 "_dbus_connection_putback_message_link_unlocked");
4071 _dbus_verbose (
"start\n");
4081 _dbus_connection_acquire_dispatch (connection);
4082 HAVE_LOCK_CHECK (connection);
4084 message = _dbus_connection_pop_message_unlocked (connection);
4086 _dbus_verbose (
"Returning popped message %p\n", message);
4088 _dbus_connection_release_dispatch (connection);
4090 status = _dbus_connection_get_dispatch_status_unlocked (connection);
4091 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
4106 HAVE_LOCK_CHECK (connection);
4111 _dbus_verbose (
"locking dispatch_mutex\n");
4116 _dbus_verbose (
"waiting for dispatch to be acquirable\n");
4125 _dbus_verbose (
"unlocking dispatch_mutex\n");
4142 HAVE_LOCK_CHECK (connection);
4144 _dbus_verbose (
"locking dispatch_mutex\n");
4152 _dbus_verbose (
"unlocking dispatch_mutex\n");
4169 HAVE_LOCK_CHECK (connection);
4187 _dbus_verbose (
"Dropping %d outgoing messages since we're disconnected\n",
4199 notify_disconnected_and_dispatch_complete_unlocked (
DBusConnection *connection)
4201 HAVE_LOCK_CHECK (connection);
4205 _dbus_verbose (
"Sending disconnect message\n");
4210 connection_timeout_and_complete_all_pending_calls_unlocked (connection);
4226 _dbus_connection_get_dispatch_status_unlocked (
DBusConnection *connection)
4228 HAVE_LOCK_CHECK (connection);
4242 _dbus_verbose (
"dispatch status = %s is_connected = %d\n",
4243 DISPATCH_STATUS_NAME (status), is_connected);
4253 notify_disconnected_unlocked (connection);
4261 status = notify_disconnected_and_dispatch_complete_unlocked (connection);
4274 _dbus_connection_update_dispatch_status_and_unlock (
DBusConnection *connection,
4281 HAVE_LOCK_CHECK (connection);
4301 connection_forget_shared_unlocked (connection);
4307 _dbus_verbose (
"Exiting on Disconnected signal\n");
4316 if (changed &&
function)
4318 _dbus_verbose (
"Notifying of change to dispatch status of %p now %d (%s)\n",
4319 connection, new_status,
4320 DISPATCH_STATUS_NAME (new_status));
4321 (* function) (connection, new_status, data);
4359 _dbus_verbose (
"start\n");
4363 status = _dbus_connection_get_dispatch_status_unlocked (connection);
4374 _dbus_connection_peer_filter_unlocked_no_update (
DBusConnection *connection,
4407 sent = _dbus_connection_send_unlocked_no_update (connection, ret,
NULL);
4427 sent = _dbus_connection_send_unlocked_no_update (connection, ret,
NULL);
4440 "Unknown method invoked on org.freedesktop.DBus.Peer interface");
4444 sent = _dbus_connection_send_unlocked_no_update (connection, ret,
NULL);
4455 expire_link->
data = ret;
4472 _dbus_connection_run_builtin_filters_unlocked_no_update (
DBusConnection *connection,
4478 return _dbus_connection_peer_filter_unlocked_no_update (connection, message);
4527 DBusList *link, *filter_list_copy, *message_link;
4536 _dbus_verbose (
"\n");
4539 status = _dbus_connection_get_dispatch_status_unlocked (connection);
4543 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
4552 _dbus_connection_acquire_dispatch (connection);
4553 HAVE_LOCK_CHECK (connection);
4555 message_link = _dbus_connection_pop_message_link_unlocked (connection);
4556 if (message_link ==
NULL)
4560 _dbus_verbose (
"another thread dispatched message (during acquire_dispatch above)\n");
4562 _dbus_connection_release_dispatch (connection);
4564 status = _dbus_connection_get_dispatch_status_unlocked (connection);
4566 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
4573 message = message_link->
data;
4575 _dbus_verbose (
" dispatching message %p (%s %s %s '%s')\n",
4600 _dbus_verbose (
"Dispatching a pending reply\n");
4601 complete_pending_call_and_unlock (connection, pending, message);
4605 _dbus_verbose (
"pending call completed in dispatch\n");
4610 result = _dbus_connection_run_builtin_filters_unlocked_no_update (connection, message);
4616 _dbus_connection_release_dispatch (connection);
4617 HAVE_LOCK_CHECK (connection);
4619 _dbus_connection_failed_pop (connection, message_link);
4622 _dbus_connection_update_dispatch_status_and_unlock (connection,
4639 while (link !=
NULL)
4646 _dbus_verbose (
" filter was removed in a callback function\n");
4651 _dbus_verbose (
" running filter on message %p\n", message);
4669 _dbus_verbose (
"No memory\n");
4674 _dbus_verbose (
"filter handled message in dispatch\n");
4681 _dbus_verbose (
" running object path dispatch on message %p (%s %s %s '%s')\n",
4692 HAVE_LOCK_CHECK (connection);
4701 _dbus_verbose (
"object tree handled message in dispatch\n");
4712 _dbus_verbose (
" sending error %s\n",
4718 _dbus_verbose (
"no memory for error string in dispatch\n");
4723 "Method \"%s\" with signature \"%s\" on interface \"%s\" doesn't exist\n",
4730 _dbus_verbose (
"no memory for error string in dispatch\n");
4742 _dbus_verbose (
"no memory for error reply in dispatch\n");
4748 if (expire_link ==
NULL)
4752 _dbus_verbose (
"no memory for error send in dispatch\n");
4756 preallocated = _dbus_connection_preallocate_send_unlocked (connection);
4758 if (preallocated ==
NULL)
4765 _dbus_verbose (
"no memory for error send in dispatch\n");
4769 _dbus_connection_send_preallocated_unlocked_no_update (connection, preallocated,
4777 _dbus_verbose (
" done dispatching %p (%s %s %s '%s') on connection %p\n", message,
4791 _dbus_verbose (
"out of memory\n");
4797 _dbus_connection_putback_message_link_unlocked (connection,
4800 message_link =
NULL;
4805 _dbus_verbose (
" ... done dispatching\n");
4808 _dbus_connection_release_dispatch (connection);
4809 HAVE_LOCK_CHECK (connection);
4811 if (message !=
NULL)
4825 if (message_link !=
NULL)
4828 _dbus_verbose (
"before final status update\n");
4829 status = _dbus_connection_get_dispatch_status_unlocked (connection);
4832 _dbus_connection_update_dispatch_status_and_unlock (connection, status);
4910 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
4915 add_function, remove_function,
4917 data, free_data_function);
4973 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
4978 add_function, remove_function,
4980 data, free_data_function);
5010 _dbus_return_if_fail (connection !=
NULL);
5024 (*old_free_data) (old_data);
5056 _dbus_return_if_fail (connection !=
NULL);
5070 (*old_free_data) (old_data);
5096 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5128 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5170 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5171 _dbus_return_val_if_fail (uid !=
NULL,
FALSE);
5206 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5207 _dbus_return_val_if_fail (pid !=
NULL,
FALSE);
5239 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5240 _dbus_return_val_if_fail (data !=
NULL,
FALSE);
5241 _dbus_return_val_if_fail (data_size !=
NULL,
FALSE);
5284 void *old_data =
NULL;
5287 _dbus_return_if_fail (connection !=
NULL);
5291 function, data, free_data_function,
5292 &old_data, &old_free_function);
5295 if (old_free_function !=
NULL)
5296 (* old_free_function) (old_data);
5332 char **windows_sid_p)
5336 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5337 _dbus_return_val_if_fail (windows_sid_p !=
NULL,
FALSE);
5383 void *old_data =
NULL;
5386 _dbus_return_if_fail (connection !=
NULL);
5390 function, data, free_data_function,
5391 &old_data, &old_free_function);
5394 if (old_free_function !=
NULL)
5395 (* old_free_function) (old_data);
5428 _dbus_return_if_fail (connection !=
NULL);
5456 _dbus_return_if_fail (connection !=
NULL);
5492 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5493 _dbus_return_val_if_fail (
function !=
NULL,
FALSE);
5506 _dbus_message_filter_unref (filter);
5544 _dbus_return_if_fail (connection !=
NULL);
5545 _dbus_return_if_fail (
function !=
NULL);
5552 while (link !=
NULL)
5554 filter = link->
data;
5556 if (filter->
function ==
function &&
5571 #ifndef DBUS_DISABLE_CHECKS
5574 _dbus_warn_check_failed (
"Attempt to remove filter function %p user data %p, but no such filter has been added\n",
5575 function, user_data);
5587 _dbus_message_filter_unref (filter);
5606 _dbus_connection_register_object_path (
DBusConnection *connection,
5613 char **decomposed_path;
5623 (
const char **) decomposed_path, vtable,
5652 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5653 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5654 _dbus_return_val_if_fail (path[0] ==
'/',
FALSE);
5655 _dbus_return_val_if_fail (vtable !=
NULL,
FALSE);
5657 return _dbus_connection_register_object_path (connection,
FALSE, path, vtable, user_data, error);
5684 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5685 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5686 _dbus_return_val_if_fail (path[0] ==
'/',
FALSE);
5687 _dbus_return_val_if_fail (vtable !=
NULL,
FALSE);
5689 retval = _dbus_connection_register_object_path (connection,
FALSE, path, vtable, user_data, &error);
5722 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5723 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5724 _dbus_return_val_if_fail (path[0] ==
'/',
FALSE);
5725 _dbus_return_val_if_fail (vtable !=
NULL,
FALSE);
5727 return _dbus_connection_register_object_path (connection,
TRUE, path, vtable, user_data, error);
5756 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5757 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5758 _dbus_return_val_if_fail (path[0] ==
'/',
FALSE);
5759 _dbus_return_val_if_fail (vtable !=
NULL,
FALSE);
5761 retval = _dbus_connection_register_object_path (connection,
TRUE, path, vtable, user_data, &error);
5786 char **decomposed_path;
5788 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5789 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5790 _dbus_return_val_if_fail (path[0] ==
'/',
FALSE);
5819 char **decomposed_path;
5821 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5822 _dbus_return_val_if_fail (path !=
NULL,
FALSE);
5823 _dbus_return_val_if_fail (data_p !=
NULL,
FALSE);
5853 const char *parent_path,
5854 char ***child_entries)
5856 char **decomposed_path;
5858 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5859 _dbus_return_val_if_fail (parent_path !=
NULL,
FALSE);
5860 _dbus_return_val_if_fail (parent_path[0] ==
'/',
FALSE);
5861 _dbus_return_val_if_fail (child_entries !=
NULL,
FALSE);
5869 (
const char **) decomposed_path,
5915 _dbus_return_if_fail (*slot_p >= 0);
5952 _dbus_return_val_if_fail (connection !=
NULL,
FALSE);
5953 _dbus_return_val_if_fail (slot >= 0,
FALSE);
5955 SLOTS_LOCK (connection);
5959 slot, data, free_data_func,
5960 &old_free_func, &old_data);
5962 SLOTS_UNLOCK (connection);
5968 (* old_free_func) (old_data);
5997 _dbus_return_val_if_fail (connection !=
NULL,
NULL);
5998 _dbus_return_val_if_fail (slot >= 0,
NULL);
6000 SLOTS_LOCK (connection);
6006 SLOTS_UNLOCK (connection);
6020 _dbus_modify_sigpipe = will_modify_sigpipe !=
FALSE;
6035 _dbus_return_if_fail (connection !=
NULL);
6054 _dbus_return_val_if_fail (connection !=
NULL, 0);
6074 _dbus_return_if_fail (connection !=
NULL);
6093 _dbus_return_val_if_fail (connection !=
NULL, 0);
6130 _dbus_return_if_fail (connection !=
NULL);
6149 _dbus_return_val_if_fail (connection !=
NULL, 0);
6172 _dbus_return_if_fail (connection !=
NULL);
6191 _dbus_return_val_if_fail (connection !=
NULL, 0);
6214 _dbus_return_val_if_fail (connection !=
NULL, 0);
6222 #ifdef DBUS_ENABLE_STATS
6238 if (in_messages !=
NULL)
6241 _dbus_transport_get_stats (connection->
transport,
6242 in_bytes, in_fds, in_peak_bytes, in_peak_fds);
6244 if (out_messages !=
NULL)
6247 if (out_bytes !=
NULL)
6250 if (out_fds !=
NULL)
6253 if (out_peak_bytes !=
NULL)
6254 *out_peak_bytes = _dbus_counter_get_peak_size_value (connection->
outgoing_counter);
6256 if (out_peak_fds !=
NULL)
6257 *out_peak_fds = _dbus_counter_get_peak_unix_fd_value (connection->
outgoing_counter);
6275 _dbus_return_val_if_fail (connection !=
NULL, 0);
6283 #ifdef DBUS_BUILD_TESTS
dbus_bool_t dbus_error_has_name(const DBusError *error, const char *name)
Checks whether the error is set and has the given name.
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
DBusHandlerResult _dbus_object_tree_dispatch_and_unlock(DBusObjectTree *tree, DBusMessage *message, dbus_bool_t *found_object)
Tries to dispatch a message by directing it to handler for the object path listed in the message head...
An atomic integer safe to increment or decrement from multiple threads.
void _dbus_pending_call_complete(DBusPendingCall *pending)
Calls notifier function for the pending call and sets the call to completed.
void dbus_connection_set_change_sigpipe(dbus_bool_t will_modify_sigpipe)
This function sets a global flag for whether dbus_connection_new() will set SIGPIPE behavior to SIG_I...
DBusMessage * dbus_message_ref(DBusMessage *message)
Increments the reference count of a DBusMessage.
DBusList * filter_list
List of filters.
void _dbus_transport_set_max_received_unix_fds(DBusTransport *transport, long n)
See dbus_connection_set_max_received_unix_fds().
Internals of DBusTimeout.
void * user_data
User data for the function.
void dbus_message_lock(DBusMessage *message)
Locks a message.
void * _dbus_list_get_last(DBusList **list)
Gets the last data in the list.
void _dbus_connection_toggle_watch_unlocked(DBusConnection *connection, DBusWatch *watch, dbus_bool_t enabled)
Toggles a watch and notifies app via connection's DBusWatchToggledFunction if available.
const char * _dbus_transport_get_server_id(DBusTransport *transport)
Gets the id of the server we are connected to (see dbus_server_get_id()).
dbus_bool_t _dbus_list_prepend(DBusList **list, void *data)
Prepends a value to the list.
void(* DBusTimeoutToggledFunction)(DBusTimeout *timeout, void *data)
Called when dbus_timeout_get_enabled() may return a different value than it did before.
int _dbus_hash_table_get_n_entries(DBusHashTable *table)
Gets the number of hash entries in a hash table.
DBusDispatchStatus
Indicates the status of incoming data on a DBusConnection.
const char * message
public error message field
const char * _dbus_transport_get_address(DBusTransport *transport)
Gets the address of a transport.
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
DBusFreeFunction free_wakeup_main_data
free wakeup_main_data
Implementation of DBusWatch.
#define NULL
A null pointer, defined appropriately for C or C++.
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory.
dbus_bool_t _dbus_connection_add_timeout_unlocked(DBusConnection *connection, DBusTimeout *timeout)
Adds a timeout using the connection's DBusAddTimeoutFunction if available.
DBusList * queue_link
Preallocated link in the queue.
unsigned int have_connection_lock
Used to check locking.
void dbus_message_set_no_reply(DBusMessage *message, dbus_bool_t no_reply)
Sets a flag indicating that the message does not want a reply; if this flag is set, the other end of the connection may (but is not required to) optimize by not sending method return or error replies.
dbus_bool_t _dbus_timeout_list_set_functions(DBusTimeoutList *timeout_list, DBusAddTimeoutFunction add_function, DBusRemoveTimeoutFunction remove_function, DBusTimeoutToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the timeout functions.
void(* DBusRemoveWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus no longer needs a watch to be monitored by the main loop.
void _dbus_connection_queue_synthesized_message_link(DBusConnection *connection, DBusList *link)
Adds a link + message to the incoming message queue.
DBusConnection * _dbus_pending_call_get_connection_unlocked(DBusPendingCall *pending)
Gets the connection associated with this pending call.
void _dbus_object_tree_free_all_unlocked(DBusObjectTree *tree)
Free all the handlers in the tree.
More memory is needed to continue.
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
dbus_uint32_t dbus_message_get_serial(DBusMessage *message)
Returns the serial of a message or 0 if none has been specified.
void _dbus_condvar_wait(DBusCondVar *cond, DBusCMutex *mutex)
Atomically unlocks the mutex and waits for the conditions variable to be signalled.
void dbus_connection_set_windows_user_function(DBusConnection *connection, DBusAllowWindowsUserFunction function, void *data, DBusFreeFunction free_data_function)
Sets a predicate function used to determine whether a given user ID is allowed to connect...
DBusWatchList * _dbus_watch_list_new(void)
Creates a new watch list.
dbus_bool_t _dbus_condvar_wait_timeout(DBusCondVar *cond, DBusCMutex *mutex, int timeout_milliseconds)
Atomically unlocks the mutex and waits for the conditions variable to be signalled, or for a timeout.
DBusList * _dbus_list_get_last_link(DBusList **list)
Gets the last link in the list.
dbus_bool_t dbus_connection_get_windows_user(DBusConnection *connection, char **windows_sid_p)
Gets the Windows user SID of the connection if known.
void _dbus_connection_lock(DBusConnection *connection)
Acquires the connection lock.
DBusMessage * dbus_pending_call_steal_reply(DBusPendingCall *pending)
Gets the reply, or returns NULL if none has been received yet.
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
DBusList * disconnect_message_link
Preallocated list node for queueing the disconnection message.
dbus_bool_t(* DBusWatchAddFunction)(DBusWatchList *list, DBusWatch *watch)
Function to be called in protected_change_watch() with refcount held.
void(* DBusDispatchStatusFunction)(DBusConnection *connection, DBusDispatchStatus new_status, void *data)
Called when the return value of dbus_connection_get_dispatch_status() may have changed.
void dbus_connection_set_max_message_size(DBusConnection *connection, long size)
Specifies the maximum size message this connection is allowed to receive.
dbus_bool_t dbus_connection_try_register_fallback(DBusConnection *connection, const char *path, const DBusObjectPathVTable *vtable, void *user_data, DBusError *error)
Registers a fallback handler for a given subsection of the object hierarchy.
void _dbus_list_remove_link(DBusList **list, DBusList *link)
Removes a link from the list.
void _dbus_timeout_list_free(DBusTimeoutList *timeout_list)
Frees a DBusTimeoutList.
long dbus_connection_get_outgoing_size(DBusConnection *connection)
Gets the approximate size in bytes of all messages in the outgoing message queue. ...
DBusConnection * dbus_connection_ref(DBusConnection *connection)
Increments the reference count of a DBusConnection.
dbus_bool_t dbus_connection_can_send_type(DBusConnection *connection, int type)
Tests whether a certain type can be send via the connection.
DBusMessage * message_borrowed
Filled in if the first incoming message has been borrowed; dispatch_acquired will be set by the borro...
#define DBUS_TYPE_STRING
Type code marking a UTF-8 encoded, nul-terminated Unicode string.
DBusTimeoutList * _dbus_timeout_list_new(void)
Creates a new timeout list.
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
dbus_bool_t dbus_connection_read_write(DBusConnection *connection, int timeout_milliseconds)
This function is intended for use with applications that don't want to write a main loop and deal wit...
unsigned int shareable
TRUE if libdbus owns a reference to the connection and can return it from dbus_connection_open() more...
dbus_bool_t dbus_message_has_interface(DBusMessage *message, const char *interface)
Checks if the message has an interface.
void _dbus_list_append_link(DBusList **list, DBusList *link)
Appends a link to the list.
Internals of DBusCounter.
#define DBUS_ERROR_INIT
Expands to a suitable initializer for a DBusError on the stack.
void * data
Data stored at this element.
DBusFreeFunction free_dispatch_status_data
free dispatch_status_data
DBusMessage * dbus_message_new(int message_type)
Constructs a new message of the given message type.
DBusFreeFunction free_user_data_function
Function to free the user data.
DBusList * incoming_messages
Queue of messages we have received, end of the list received most recently.
dbus_bool_t _dbus_watch_list_add_watch(DBusWatchList *watch_list, DBusWatch *watch)
Adds a new watch to the watch list, invoking the application DBusAddWatchFunction if appropriate...
void _dbus_warn_check_failed(const char *format,...)
Prints a "critical" warning to stderr when an assertion fails; differs from _dbus_warn primarily in t...
dbus_bool_t _dbus_transport_get_unix_process_id(DBusTransport *transport, unsigned long *pid)
See dbus_connection_get_unix_process_id().
const char * dbus_message_get_signature(DBusMessage *message)
Gets the type signature of the message, i.e.
void _dbus_watch_list_toggle_watch(DBusWatchList *watch_list, DBusWatch *watch, dbus_bool_t enabled)
Sets a watch to the given enabled state, invoking the application's DBusWatchToggledFunction if appro...
dbus_bool_t _dbus_transport_queue_messages(DBusTransport *transport)
Processes data we've read while handling a watch, potentially converting some of it to messages and q...
Message has not had any effect - see if other handlers want it.
void _dbus_transport_set_unix_user_function(DBusTransport *transport, DBusAllowUnixUserFunction function, void *data, DBusFreeFunction free_data_function, void **old_data, DBusFreeFunction *old_free_data_function)
See dbus_connection_set_unix_user_function().
void dbus_message_iter_init_append(DBusMessage *message, DBusMessageIter *iter)
Initializes a DBusMessageIter for appending arguments to the end of a message.
void dbus_connection_set_dispatch_status_function(DBusConnection *connection, DBusDispatchStatusFunction function, void *data, DBusFreeFunction free_data_function)
Set a function to be invoked when the dispatch status changes.
dbus_bool_t dbus_connection_set_data(DBusConnection *connection, dbus_int32_t slot, void *data, DBusFreeFunction free_data_func)
Stores a pointer on a DBusConnection, along with an optional function to be used for freeing the data...
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
void dbus_connection_set_route_peer_messages(DBusConnection *connection, dbus_bool_t value)
Normally DBusConnection automatically handles all messages to the org.freedesktop.DBus.Peer interface.
void _dbus_object_tree_unregister_and_unlock(DBusObjectTree *tree, const char **path)
Unregisters an object subtree that was registered with the same path.
#define DBUS_INTERFACE_PEER
The interface supported by most dbus peers.
void _dbus_connection_close_if_only_one_ref(DBusConnection *connection)
Used internally to handle the semantics of dbus_server_set_new_connection_function().
#define DBUS_INTERFACE_LOCAL
This is a special interface whose methods can only be invoked by the local implementation (messages f...
void dbus_connection_return_message(DBusConnection *connection, DBusMessage *message)
Used to return a message after peeking at it using dbus_connection_borrow_message().
DBusAtomic refcount
Reference count.
DBusCounter * _dbus_counter_ref(DBusCounter *counter)
Increments refcount of the counter.
void dbus_address_entries_free(DBusAddressEntry **entries)
Frees a NULL-terminated array of address entries.
dbus_bool_t _dbus_transport_get_windows_user(DBusTransport *transport, char **windows_sid_p)
See dbus_connection_get_windows_user().
Implementation details of DBusPendingCall - all fields are private.
void _dbus_rmutex_new_at_location(DBusRMutex **location_p)
Creates a new mutex or creates a no-op mutex if threads are not initialized.
dbus_bool_t dbus_connection_set_timeout_functions(DBusConnection *connection, DBusAddTimeoutFunction add_function, DBusRemoveTimeoutFunction remove_function, DBusTimeoutToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the timeout functions for the connection.
Implementation details of DBusConnection.
void(* DBusWakeupMainFunction)(void *data)
Called when the main loop's thread should be notified that there's now work to do.
void dbus_connection_remove_filter(DBusConnection *connection, DBusHandleMessageFunction function, void *user_data)
Removes a previously-added message filter.
struct DBusMutex DBusMutex
An opaque mutex type provided by the DBusThreadFunctions implementation installed by dbus_threads_ini...
#define _dbus_list_get_prev_link(list, link)
Gets the previous link in the list, or NULL if there are no more links.
DBusCounter * outgoing_counter
Counts size of outgoing messages.
#define DBUS_MESSAGE_TYPE_ERROR
Message type of an error reply message, see dbus_message_get_type()
DBusList * _dbus_list_alloc_link(void *data)
Allocates a linked list node.
dbus_bool_t dbus_connection_get_unix_user(DBusConnection *connection, unsigned long *uid)
Gets the UNIX user ID of the connection if known.
void(* DBusTimeoutToggleFunction)(DBusTimeoutList *list, DBusTimeout *timeout, dbus_bool_t enabled)
Function to be called in protected_change_timeout() with refcount held.
dbus_bool_t dbus_connection_list_registered(DBusConnection *connection, const char *parent_path, char ***child_entries)
Lists the registered fallback handlers and object path handlers at the given parent_path.
const char * dbus_message_get_path(DBusMessage *message)
Gets the object path this message is being sent to (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitt...
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
dbus_bool_t _dbus_hash_table_remove_int(DBusHashTable *table, int key)
Removes the hash entry for the given key.
long _dbus_transport_get_max_message_size(DBusTransport *transport)
See dbus_connection_get_max_message_size().
dbus_bool_t _dbus_list_remove(DBusList **list, void *data)
Removes a value from the list.
void dbus_connection_set_max_received_size(DBusConnection *connection, long size)
Sets the maximum total number of bytes that can be used for all messages received on this connection...
DBusDispatchStatusFunction dispatch_status_function
Function on dispatch status changes.
void(* DBusWatchRemoveFunction)(DBusWatchList *list, DBusWatch *watch)
Function to be called in protected_change_watch() with refcount held.
DBusHandlerResult
Results that a message handler can return.
dbus_bool_t _dbus_data_slot_allocator_alloc(DBusDataSlotAllocator *allocator, DBusRMutex **mutex_loc, dbus_int32_t *slot_id_p)
Allocates an integer ID to be used for storing data in a DBusDataSlotList.
DBusMessage * _dbus_connection_get_message_to_send(DBusConnection *connection)
Gets the next outgoing message.
void _dbus_hash_table_unref(DBusHashTable *table)
Decrements the reference count for a hash table, freeing the hash table if the count reaches zero...
DBusList * _dbus_list_pop_first_link(DBusList **list)
Removes the first link in the list and returns it.
DBusMessageIter struct; contains no public fields.
void dbus_connection_steal_borrowed_message(DBusConnection *connection, DBusMessage *message)
Used to keep a message after peeking at it using dbus_connection_borrow_message().
void * _dbus_list_get_first(DBusList **list)
Gets the first data in the list.
dbus_bool_t _dbus_pending_call_get_completed_unlocked(DBusPendingCall *pending)
Checks whether the pending call has received a reply yet, or not.
#define _dbus_list_get_next_link(list, link)
Gets the next link in the list, or NULL if there are no more links.
void dbus_connection_free_data_slot(dbus_int32_t *slot_p)
Deallocates a global ID for connection data slots.
#define DBUS_ERROR_UNKNOWN_METHOD
Method name you invoked isn't known by the object you invoked it on.
const char * dbus_message_get_destination(DBusMessage *message)
Gets the destination of a message or NULL if there is none set.
Internal struct representing a message filter function.
void _dbus_message_add_counter_link(DBusMessage *message, DBusList *link)
Adds a counter to be incremented immediately with the size/unix fds of this message, and decremented by the size/unix fds of this message when this message if finalized.
#define DBUS_PATH_LOCAL
The object path used in local/in-process-generated messages.
dbus_bool_t _dbus_list_copy(DBusList **list, DBusList **dest)
Copies a list.
void _dbus_connection_block_pending_call(DBusPendingCall *pending)
Blocks until a pending call times out or gets a reply.
dbus_bool_t _dbus_get_local_machine_uuid_encoded(DBusString *uuid_str)
Gets the hex-encoded UUID of the machine this function is executed on.
DBusWatchList * watches
Stores active watches.
void * _dbus_hash_table_lookup_int(DBusHashTable *table, int key)
Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.
DBusRMutex * mutex
Lock on the entire DBusConnection.
dbus_bool_t _dbus_transport_get_is_connected(DBusTransport *transport)
Returns TRUE if the transport has not been disconnected.
dbus_bool_t dbus_message_set_error_name(DBusMessage *message, const char *error_name)
Sets the name of the error (DBUS_MESSAGE_TYPE_ERROR).
There is more data to potentially convert to messages.
void _dbus_get_monotonic_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
DBusMessage * dbus_connection_send_with_reply_and_block(DBusConnection *connection, DBusMessage *message, int timeout_milliseconds, DBusError *error)
Sends a message and blocks a certain time period while waiting for a reply.
DBusConnection * dbus_connection_open_private(const char *address, DBusError *error)
Opens a new, dedicated connection to a remote address.
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
DBusAtomic refcount
Reference count.
const char * dbus_message_get_member(DBusMessage *message)
Gets the interface member being invoked (DBUS_MESSAGE_TYPE_METHOD_CALL) or emitted (DBUS_MESSAGE_TYPE...
DBusPreallocatedSend * dbus_connection_preallocate_send(DBusConnection *connection)
Preallocates resources needed to send a message, allowing the message to be sent without the possibil...
Virtual table that must be implemented to handle a portion of the object path hierarchy.
dbus_bool_t(* DBusAddWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus needs a new watch to be monitored by the main loop.
Internals of DBusMessage.
dbus_bool_t _dbus_pending_call_set_timeout_error_unlocked(DBusPendingCall *pending, DBusMessage *message, dbus_uint32_t serial)
Sets the reply message associated with the pending call to a timeout error.
dbus_bool_t dbus_pending_call_get_completed(DBusPendingCall *pending)
Checks whether the pending call has received a reply yet, or not.
const char * dbus_address_entry_get_value(DBusAddressEntry *entry, const char *key)
Returns a value from a key of an entry.
long _dbus_transport_get_max_received_unix_fds(DBusTransport *transport)
See dbus_connection_set_max_received_unix_fds().
DBusHandlerResult(* DBusHandleMessageFunction)(DBusConnection *connection, DBusMessage *message, void *user_data)
Called when a message needs to be handled.
void _dbus_rmutex_unlock(DBusRMutex *mutex)
Unlocks a mutex.
#define DBUS_ERROR_OBJECT_PATH_IN_USE
There's already an object with the requested object path.
#define dbus_new0(type, count)
Safe macro for using dbus_malloc0().
dbus_bool_t _dbus_timeout_list_add_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout)
Adds a new timeout to the timeout list, invoking the application DBusAddTimeoutFunction if appropriat...
void _dbus_transport_set_windows_user_function(DBusTransport *transport, DBusAllowWindowsUserFunction function, void *data, DBusFreeFunction free_data_function, void **old_data, DBusFreeFunction *old_free_data_function)
See dbus_connection_set_windows_user_function().
void _dbus_connection_remove_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Removes a watch using the connection's DBusRemoveWatchFunction if available.
dbus_bool_t _dbus_transport_get_adt_audit_session_data(DBusTransport *transport, void **data, int *data_size)
See dbus_connection_get_adt_audit_session_data().
dbus_bool_t _dbus_pending_call_is_timeout_added_unlocked(DBusPendingCall *pending)
Checks to see if a timeout has been added.
DBusHashTable * _dbus_hash_table_new(DBusHashType type, DBusFreeFunction key_free_function, DBusFreeFunction value_free_function)
Constructs a new hash table.
void * dispatch_status_data
Application data for dispatch_status_function.
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
dbus_bool_t _dbus_connection_has_messages_to_send_unlocked(DBusConnection *connection)
Checks whether there are messages in the outgoing message queue.
void dbus_connection_set_exit_on_disconnect(DBusConnection *connection, dbus_bool_t exit_on_disconnect)
Set whether _exit() should be called when the connection receives a disconnect signal.
DBusTransport * transport
Object that sends/receives messages over network.
DBusDispatchStatus dbus_connection_dispatch(DBusConnection *connection)
Processes any incoming data.
dbus_bool_t dbus_connection_send(DBusConnection *connection, DBusMessage *message, dbus_uint32_t *serial)
Adds a message to the outgoing message queue.
DBusDispatchStatus dbus_connection_get_dispatch_status(DBusConnection *connection)
Gets the current state of the incoming message queue.
All currently available data has been processed.
void * dbus_connection_get_data(DBusConnection *connection, dbus_int32_t slot)
Retrieves data previously set with dbus_connection_set_data().
DBusTimeoutList * timeouts
Stores active timeouts.
dbus_bool_t _dbus_object_tree_list_registered_and_unlock(DBusObjectTree *tree, const char **parent_path, char ***child_entries)
Lists the registered fallback handlers and object path handlers at the given parent_path.
long dbus_connection_get_max_message_size(DBusConnection *connection)
Gets the value set by dbus_connection_set_max_message_size().
DBusHashTable * pending_replies
Hash of message serials to DBusPendingCall.
Internals of DBusObjectTree.
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
void _dbus_counter_unref(DBusCounter *counter)
Decrements refcount of the counter and possibly finalizes the counter.
dbus_bool_t(* DBusAddTimeoutFunction)(DBusTimeout *timeout, void *data)
Called when libdbus needs a new timeout to be monitored by the main loop.
void _dbus_message_remove_counter(DBusMessage *message, DBusCounter *counter)
Removes a counter tracking the size/unix fds of this message, and decrements the counter by the size/...
dbus_bool_t _dbus_list_append(DBusList **list, void *data)
Appends a value to the list.
dbus_bool_t _dbus_decompose_path(const char *data, int len, char ***path, int *path_len)
Decompose an object path.
dbus_bool_t dbus_connection_get_unix_process_id(DBusConnection *connection, unsigned long *pid)
Gets the process ID of the connection if any.
dbus_bool_t dbus_connection_get_is_authenticated(DBusConnection *connection)
Gets whether the connection was authenticated.
void dbus_connection_close(DBusConnection *connection)
Closes a private connection, so no further data can be sent or received.
dbus_bool_t dbus_connection_allocate_data_slot(dbus_int32_t *slot_p)
Allocates an integer ID to be used for storing application-specific data on any DBusConnection.
dbus_bool_t _dbus_data_slot_list_set(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot, void *data, DBusFreeFunction free_data_func, DBusFreeFunction *old_free_func, void **old_data)
Stores a pointer in the data slot list, along with an optional function to be used for freeing the da...
dbus_bool_t _dbus_transport_get_is_authenticated(DBusTransport *transport)
Returns TRUE if we have been authenticated.
dbus_bool_t io_path_acquired
Someone has transport io path (can use the transport to read/write messages)
void _dbus_list_foreach(DBusList **list, DBusForeachFunction function, void *data)
Calls the given function for each element in the list.
dbus_bool_t _dbus_string_append_printf(DBusString *str, const char *format,...)
Appends a printf-style formatted string to the DBusString.
Internals of DBusAddressEntry.
DBusList * outgoing_messages
Queue of messages we need to send, send the end of the list first.
dbus_bool_t dbus_connection_register_object_path(DBusConnection *connection, const char *path, const DBusObjectPathVTable *vtable, void *user_data)
Registers a handler for a given path in the object hierarchy.
void dbus_connection_set_max_message_unix_fds(DBusConnection *connection, long n)
Specifies the maximum number of unix fds a message on this connection is allowed to receive...
DBusObjectTree * objects
Object path handlers registered with this connection.
long dbus_connection_get_outgoing_unix_fds(DBusConnection *connection)
Gets the approximate number of uni fds of all messages in the outgoing message queue.
dbus_uint32_t client_serial
Client serial.
long dbus_connection_get_max_received_size(DBusConnection *connection)
Gets the value set by dbus_connection_set_max_received_size().
DBusCMutex * io_path_mutex
Protects io_path_acquired.
#define DBUS_MESSAGE_TYPE_METHOD_CALL
Message type of a method call message, see dbus_message_get_type()
DBusConnection * dbus_connection_open(const char *address, DBusError *error)
Gets a connection to a remote address.
void _dbus_connection_unref_unlocked(DBusConnection *connection)
Decrements the reference count of a DBusConnection.
dbus_bool_t _dbus_connection_handle_watch(DBusWatch *watch, unsigned int condition, void *data)
A callback for use with dbus_watch_new() to create a DBusWatch.
int _dbus_current_generation
_dbus_current_generation is used to track each time that dbus_shutdown() is called, so we can reinit things after it's been called.
dbus_bool_t dbus_connection_send_with_reply(DBusConnection *connection, DBusMessage *message, DBusPendingCall **pending_return, int timeout_milliseconds)
Queues a message to send, as with dbus_connection_send(), but also returns a DBusPendingCall used to ...
Object representing an exception.
dbus_bool_t(* DBusAllowUnixUserFunction)(DBusConnection *connection, unsigned long uid, void *data)
Called during authentication to check whether the given UNIX user ID is allowed to connect...
void _dbus_bus_notify_shared_connection_disconnected_unlocked(DBusConnection *connection)
Internal function that checks to see if this is a shared connection owned by the bus and if it is unr...
dbus_bool_t _dbus_hash_iter_next(DBusHashIter *iter)
Move the hash iterator forward one step, to the next hash entry.
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
dbus_bool_t _dbus_transport_get_is_anonymous(DBusTransport *transport)
See dbus_connection_get_is_anonymous().
void * _dbus_list_pop_first(DBusList **list)
Removes the first value in the list and returns it.
dbus_bool_t dbus_connection_get_object_path_data(DBusConnection *connection, const char *path, void **data_p)
Gets the user data passed to dbus_connection_register_object_path() or dbus_connection_register_fallb...
dbus_bool_t dbus_message_append_args(DBusMessage *message, int first_arg_type,...)
Appends fields to a message given a variable argument list.
#define DBUS_ERROR_UNKNOWN_OBJECT
Object you invoked a method on isn't known.
dbus_bool_t _dbus_hash_table_insert_string(DBusHashTable *table, char *key, void *value)
Creates a hash entry with the given key and value.
dbus_bool_t dbus_connection_get_is_anonymous(DBusConnection *connection)
Gets whether the connection is not authenticated as a specific user.
#define DBUS_MESSAGE_TYPE_SIGNAL
Message type of a signal message, see dbus_message_get_type()
dbus_bool_t _dbus_connection_add_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Adds a watch using the connection's DBusAddWatchFunction if available.
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
dbus_uint32_t dbus_message_get_reply_serial(DBusMessage *message)
Returns the serial that the message is a reply to or 0 if none.
long dbus_connection_get_max_message_unix_fds(DBusConnection *connection)
Gets the value set by dbus_connection_set_max_message_unix_fds().
DBusWakeupMainFunction wakeup_main_function
Function to wake up the mainloop.
dbus_bool_t _dbus_connection_send_and_unlock(DBusConnection *connection, DBusMessage *message, dbus_uint32_t *client_serial)
Like dbus_connection_send(), but assumes the connection is already locked on function entry...
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
void _dbus_cmutex_unlock(DBusCMutex *mutex)
Unlocks a mutex.
DBusDataSlotList slot_list
Data stored by allocated integer ID.
dbus_bool_t _dbus_hash_table_insert_int(DBusHashTable *table, int key, void *value)
Creates a hash entry with the given key and value.
DBusPendingCall * dbus_pending_call_ref(DBusPendingCall *pending)
Increments the reference count on a pending call.
void _dbus_connection_message_sent_unlocked(DBusConnection *connection, DBusMessage *message)
Notifies the connection that a message has been sent, so the message can be removed from the outgoing...
void _dbus_timeout_list_toggle_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout, dbus_bool_t enabled)
Sets a timeout to the given enabled state, invoking the application's DBusTimeoutToggledFunction if a...
dbus_uint32_t _dbus_pending_call_get_reply_serial_unlocked(DBusPendingCall *pending)
Gets the reply's serial number.
void(* DBusWatchToggleFunction)(DBusWatchList *list, DBusWatch *watch, dbus_bool_t enabled)
Function to be called in protected_change_watch() with refcount held.
DBusTransport * _dbus_transport_open(DBusAddressEntry *entry, DBusError *error)
Try to open a new transport for the given address entry.
DBusConnection * _dbus_connection_new_for_transport(DBusTransport *transport)
Creates a new connection for the given transport.
#define _DBUS_UNLOCK(name)
Unlocks a global lock.
unsigned int disconnected_message_arrived
We popped or are dispatching the disconnected message.
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
void dbus_connection_set_allow_anonymous(DBusConnection *connection, dbus_bool_t value)
This function must be called on the server side of a connection when the connection is first seen in ...
unsigned int disconnected_message_processed
We did our default handling of the disconnected message, such as closing the connection.
dbus_bool_t _dbus_transport_get_unix_user(DBusTransport *transport, unsigned long *uid)
See dbus_connection_get_unix_user().
void * _dbus_data_slot_list_get(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot)
Retrieves data previously set with _dbus_data_slot_list_set_data().
#define CONNECTION_UNLOCK(connection)
shorter and more visible way to write _dbus_connection_unlock()
unsigned int route_peer_messages
If TRUE, if org.freedesktop.DBus.Peer messages have a bus name, don't handle them automatically...
#define TRUE
Expands to "1".
void _dbus_data_slot_list_init(DBusDataSlotList *list)
Initializes a slot list.
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Data structure that stores the actual user data set at a given slot.
DBusCondVar * io_path_cond
Notify when io_path_acquired is available.
dbus_bool_t dbus_message_is_method_call(DBusMessage *message, const char *interface, const char *method)
Checks whether the message is a method call with the given interface and member fields.
dbus_bool_t _dbus_hash_table_remove_string(DBusHashTable *table, const char *key)
Removes the hash entry for the given key.
void _dbus_condvar_new_at_location(DBusCondVar **location_p)
This does the same thing as _dbus_condvar_new.
DBusDispatchStatus last_dispatch_status
The last dispatch status we reported to the application.
unsigned int exit_on_disconnect
If TRUE, exit after handling disconnect signal.
dbus_bool_t _dbus_transport_set_connection(DBusTransport *transport, DBusConnection *connection)
Sets the connection using this transport.
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
void _dbus_list_free_link(DBusList *link)
Frees a linked list node allocated with _dbus_list_alloc_link.
void dbus_move_error(DBusError *src, DBusError *dest)
Moves an error src into dest, freeing src and overwriting dest.
void * _dbus_object_tree_get_user_data_unlocked(DBusObjectTree *tree, const char **path)
Looks up the data passed to _dbus_object_tree_register() for a handler at the given path...
dbus_bool_t _dbus_object_tree_register(DBusObjectTree *tree, dbus_bool_t fallback, const char **path, const DBusObjectPathVTable *vtable, void *user_data, DBusError *error)
Registers a new subtree in the global object tree.
dbus_bool_t dbus_set_error_from_message(DBusError *error, DBusMessage *message)
Sets a DBusError based on the contents of the given message.
void(* DBusTimeoutRemoveFunction)(DBusTimeoutList *list, DBusTimeout *timeout)
Function to be called in protected_change_timeout() with refcount held.
void _dbus_condvar_wake_one(DBusCondVar *cond)
If there are threads waiting on the condition variable, wake up exactly one.
#define DBUS_TYPE_UNIX_FD
Type code marking a unix file descriptor.
void dbus_pending_call_unref(DBusPendingCall *pending)
Decrements the reference count on a pending call, freeing it if the count reaches 0...
Object representing a transport such as a socket.
DBusMessage * dbus_message_new_signal(const char *path, const char *interface, const char *name)
Constructs a new message representing a signal emission.
DBusWatchList implementation details.
#define _DBUS_DEFINE_GLOBAL_LOCK(name)
Defines a global lock variable with the given name.
const char * dbus_message_get_interface(DBusMessage *message)
Gets the interface this message is being sent to (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted...
int n_incoming
Length of incoming queue.
void dbus_connection_set_wakeup_main_function(DBusConnection *connection, DBusWakeupMainFunction wakeup_main_function, void *data, DBusFreeFunction free_data_function)
Sets the mainloop wakeup function for the connection.
void _dbus_hash_iter_remove_entry(DBusHashIter *iter)
Removes the current entry from the hash table.
DBusMessage * dbus_connection_pop_message(DBusConnection *connection)
Returns the first-received message from the incoming message queue, removing it from the queue...
An allocator that tracks a set of slot IDs.
#define DBUS_TYPE_INVALID
Type code that is never equal to a legitimate type code.
dbus_bool_t dbus_message_set_reply_serial(DBusMessage *message, dbus_uint32_t reply_serial)
Sets the reply serial of a message (the serial of the message this is a reply to).
void _dbus_pending_call_queue_timeout_error_unlocked(DBusPendingCall *pending, DBusConnection *connection)
If the pending call hasn't been timed out, add its timeout error reply to the connection's incoming m...
Internals of DBusPreallocatedSend.
void dbus_connection_set_unix_user_function(DBusConnection *connection, DBusAllowUnixUserFunction function, void *data, DBusFreeFunction free_data_function)
Sets a predicate function used to determine whether a given user ID is allowed to connect...
dbus_bool_t _dbus_transport_handle_watch(DBusTransport *transport, DBusWatch *watch, unsigned int condition)
Handles a watch by reading data, writing data, or disconnecting the transport, as appropriate for the...
DBusList * counter_link
Preallocated link in the resource counter.
DBusObjectTree * _dbus_object_tree_new(DBusConnection *connection)
Creates a new object tree, representing a mapping from paths to handler vtables.
void dbus_pending_call_block(DBusPendingCall *pending)
Block until the pending call is completed.
void _dbus_timeout_list_remove_timeout(DBusTimeoutList *timeout_list, DBusTimeout *timeout)
Removes a timeout from the timeout list, invoking the application's DBusRemoveTimeoutFunction if appr...
int n_outgoing
Length of outgoing queue.
DBusCMutex * dispatch_mutex
Protects dispatch_acquired.
DBusPendingCall * _dbus_pending_call_new_unlocked(DBusConnection *connection, int timeout_milliseconds, DBusTimeoutHandler timeout_handler)
Creates a new pending reply object.
dbus_bool_t _dbus_watch_list_set_functions(DBusWatchList *watch_list, DBusAddWatchFunction add_function, DBusRemoveWatchFunction remove_function, DBusWatchToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the watch functions.
void _dbus_pending_call_set_reply_unlocked(DBusPendingCall *pending, DBusMessage *message)
Sets the reply of a pending call with the given message, or if the message is NULL, by timing out the pending call.
void _dbus_exit(int code)
Exit the process, returning the given value.
dbus_bool_t dbus_connection_set_watch_functions(DBusConnection *connection, DBusAddWatchFunction add_function, DBusRemoveWatchFunction remove_function, DBusWatchToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the watch functions for the connection.
void _dbus_list_unlink(DBusList **list, DBusList *link)
Removes the given link from the list, but doesn't free it.
void dbus_free_string_array(char **str_array)
Frees a NULL-terminated array of strings.
DBusTransport * _dbus_transport_ref(DBusTransport *transport)
Increments the reference count for the transport.
DBusCondVar * dispatch_cond
Notify when dispatch_acquired is available.
void _dbus_connection_remove_timeout_unlocked(DBusConnection *connection, DBusTimeout *timeout)
Removes a timeout using the connection's DBusRemoveTimeoutFunction if available.
dbus_bool_t dbus_connection_register_fallback(DBusConnection *connection, const char *path, const DBusObjectPathVTable *vtable, void *user_data)
Registers a fallback handler for a given subsection of the object hierarchy.
void _dbus_rmutex_free_at_location(DBusRMutex **location_p)
Frees a DBusRMutex or removes it from the uninitialized mutex list; does nothing if passed a NULL poi...
void _dbus_transport_do_iteration(DBusTransport *transport, unsigned int flags, int timeout_milliseconds)
Performs a single poll()/select() on the transport's file descriptors and then reads/writes data as a...
long _dbus_transport_get_max_received_size(DBusTransport *transport)
See dbus_connection_get_max_received_size().
dbus_bool_t dbus_connection_get_adt_audit_session_data(DBusConnection *connection, void **data, dbus_int32_t *data_size)
Gets the ADT audit data of the connection if any.
long _dbus_transport_get_max_message_unix_fds(DBusTransport *transport)
See dbus_connection_get_max_message_unix_fds().
dbus_bool_t dbus_message_is_signal(DBusMessage *message, const char *interface, const char *signal_name)
Checks whether the message is a signal with the given interface and member fields.
#define DBUS_ERROR_DISCONNECTED
The connection is disconnected and you're trying to use it.
DBusCounter * _dbus_counter_new(void)
Creates a new DBusCounter.
void _dbus_cmutex_lock(DBusCMutex *mutex)
Locks a mutex.
void _dbus_connection_queue_received_message_link(DBusConnection *connection, DBusList *link)
Adds a message-containing list link to the incoming message queue, taking ownership of the link and t...
void _dbus_transport_set_allow_anonymous(DBusTransport *transport, dbus_bool_t value)
See dbus_connection_set_allow_anonymous()
void _dbus_connection_close_possibly_shared(DBusConnection *connection)
Closes a shared OR private connection, while dbus_connection_close() can only be used on private conn...
DBusHandleMessageFunction function
Function to call to filter.
void _dbus_hash_iter_init(DBusHashTable *table, DBusHashIter *iter)
Initializes a hash table iterator.
dbus_bool_t(* DBusAllowWindowsUserFunction)(DBusConnection *connection, const char *user_sid, void *data)
Called during authentication to check whether the given Windows user ID is allowed to connect...
void * _dbus_hash_iter_get_value(DBusHashIter *iter)
Gets the value of the current entry.
void _dbus_connection_remove_pending_call(DBusConnection *connection, DBusPendingCall *pending)
Removes a pending call from the connection, such that the pending reply will be ignored.
dbus_bool_t dbus_message_iter_append_basic(DBusMessageIter *iter, int type, const void *value)
Appends a basic-typed value to the message.
void _dbus_transport_set_max_received_size(DBusTransport *transport, long size)
See dbus_connection_set_max_received_size().
void(* DBusForeachFunction)(void *element, void *data)
Used to iterate over each item in a collection, such as a DBusList.
DBusList * expired_messages
Messages that will be released when we next unlock.
DBusList * _dbus_list_get_first_link(DBusList **list)
Gets the first link in the list.
#define FALSE
Expands to "0".
int dbus_message_get_type(DBusMessage *message)
Gets the type of a message.
char * dbus_connection_get_server_id(DBusConnection *connection)
Gets the ID of the server address we are authenticated to, if this connection is on the client side...
dbus_bool_t dbus_connection_get_unix_fd(DBusConnection *connection, int *fd)
Get the UNIX file descriptor of the connection, if any.
void _dbus_list_prepend_link(DBusList **list, DBusList *link)
Prepends a link to the list.
dbus_bool_t _dbus_register_shutdown_func(DBusShutdownFunction function, void *data)
Register a cleanup function to be called exactly once the next time dbus_shutdown() is called...
#define _DBUS_LOCK(name)
Locks a global lock.
dbus_bool_t dbus_parse_address(const char *address, DBusAddressEntry ***entry, int *array_len, DBusError *error)
Parses an address string of the form:
#define _DBUS_LOCK_NAME(name)
Expands to name of a global lock variable.
dbus_bool_t _dbus_transport_can_pass_unix_fd(DBusTransport *transport)
Returns TRUE if the transport supports sending unix fds.
void _dbus_cmutex_free_at_location(DBusCMutex **location_p)
Frees a DBusCMutex and removes it from the uninitialized mutex list; does nothing if passed a NULL po...
void(* DBusWatchToggledFunction)(DBusWatch *watch, void *data)
Called when dbus_watch_get_enabled() may return a different value than it did before.
char * server_guid
GUID of server if we are in shared_connections, NULL if server GUID is unknown or connection is priva...
dbus_bool_t dbus_connection_get_is_connected(DBusConnection *connection)
Gets whether the connection is currently open.
void dbus_connection_send_preallocated(DBusConnection *connection, DBusPreallocatedSend *preallocated, DBusMessage *message, dbus_uint32_t *client_serial)
Sends a message using preallocated resources.
void dbus_connection_unref(DBusConnection *connection)
Decrements the reference count of a DBusConnection, and finalizes it if the count reaches zero...
Internals of DBusHashTable.
void _dbus_object_tree_unref(DBusObjectTree *tree)
Decrement the reference count.
void _dbus_watch_list_free(DBusWatchList *watch_list)
Frees a DBusWatchList.
DBusPendingCall * _dbus_pending_call_ref_unlocked(DBusPendingCall *pending)
Increments the reference count on a pending call, while the lock on its connection is already held...
DBusMessage * dbus_connection_borrow_message(DBusConnection *connection)
Returns the first-received message from the incoming message queue, leaving it in the queue...
dbus_bool_t _dbus_transport_get_socket_fd(DBusTransport *transport, int *fd_p)
Get the socket file descriptor, if any.
DBusConnection * _dbus_connection_ref_unlocked(DBusConnection *connection)
Increments the reference count of a DBusConnection.
Message has had its effect - no need to run more handlers.
void _dbus_connection_do_iteration_unlocked(DBusConnection *connection, DBusPendingCall *pending, unsigned int flags, int timeout_milliseconds)
Queues incoming messages and sends outgoing messages for this connection, optionally blocking in the ...
int dbus_int32_t
A 32-bit signed integer on all platforms.
char * _dbus_strdup(const char *str)
Duplicates a string.
#define CONNECTION_LOCK(connection)
Internals of DBusPendingCall.
dbus_bool_t dispatch_acquired
Someone has dispatch path (can drain incoming queue)
void _dbus_transport_disconnect(DBusTransport *transport)
Closes our end of the connection to a remote application.
DBusTimeout * _dbus_pending_call_get_timeout_unlocked(DBusPendingCall *pending)
Retrives the timeout.
void _dbus_data_slot_allocator_free(DBusDataSlotAllocator *allocator, dbus_int32_t *slot_id_p)
Deallocates an ID previously allocated with _dbus_data_slot_allocator_alloc().
dbus_bool_t dbus_connection_add_filter(DBusConnection *connection, DBusHandleMessageFunction function, void *user_data, DBusFreeFunction free_data_function)
Adds a message filter.
dbus_bool_t dbus_connection_unregister_object_path(DBusConnection *connection, const char *path)
Unregisters the handler registered with exactly the given path.
void * _dbus_hash_table_lookup_string(DBusHashTable *table, const char *key)
Looks up the value for a given string in a hash table of type DBUS_HASH_STRING.
long dbus_connection_get_max_received_unix_fds(DBusConnection *connection)
Gets the value set by dbus_connection_set_max_received_unix_fds().
dbus_bool_t dbus_connection_try_register_object_path(DBusConnection *connection, const char *path, const DBusObjectPathVTable *vtable, void *user_data, DBusError *error)
Registers a handler for a given path in the object hierarchy.
void(* DBusRemoveTimeoutFunction)(DBusTimeout *timeout, void *data)
Called when libdbus no longer needs a timeout to be monitored by the main loop.
void _dbus_connection_unlock(DBusConnection *connection)
Releases the connection lock.
const char * _dbus_string_get_const_data(const DBusString *str)
Gets the raw character buffer from a const string.
const char * dbus_message_type_to_string(int type)
Utility function to convert a D-Bus message type into a machine-readable string (not translated)...
void _dbus_transport_set_max_message_size(DBusTransport *transport, long size)
See dbus_connection_set_max_message_size().
void dbus_message_unref(DBusMessage *message)
Decrements the reference count of a DBusMessage, freeing the message if the count reaches 0...
void * wakeup_main_data
Application data for wakeup_main_function.
Need more memory in order to return DBUS_HANDLER_RESULT_HANDLED or DBUS_HANDLER_RESULT_NOT_YET_HANDLE...
void dbus_connection_flush(DBusConnection *connection)
Blocks until the outgoing message queue is empty.
void _dbus_condvar_free_at_location(DBusCondVar **location_p)
Frees a conditional variable and removes it from the uninitialized_condvar_list; does nothing if pass...
dbus_bool_t dbus_connection_has_messages_to_send(DBusConnection *connection)
Checks whether there are messages in the outgoing message queue.
void _dbus_cmutex_new_at_location(DBusCMutex **location_p)
Creates a new mutex or creates a no-op mutex if threads are not initialized.
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
void _dbus_pending_call_unref_and_unlock(DBusPendingCall *pending)
Decrements the reference count on a pending call, freeing it if the count reaches 0...
DBusDispatchStatus _dbus_transport_get_dispatch_status(DBusTransport *transport)
Reports our current dispatch status (whether there's buffered data to be queued as messages...
void _dbus_pending_call_set_timeout_added_unlocked(DBusPendingCall *pending, dbus_bool_t is_added)
Sets wether the timeout has been added.
DBusConnection * connection
Connection we'd send the message to.
DBusConnection * _dbus_pending_call_get_connection_and_lock(DBusPendingCall *pending)
Gets the connection associated with this pending call.
void _dbus_connection_toggle_timeout_unlocked(DBusConnection *connection, DBusTimeout *timeout, dbus_bool_t enabled)
Toggles a timeout and notifies app via connection's DBusTimeoutToggledFunction if available...
dbus_bool_t dbus_type_is_valid(int typecode)
Return TRUE if the argument is a valid typecode.
void _dbus_transport_set_max_message_unix_fds(DBusTransport *transport, long n)
See dbus_connection_set_max_message_unix_fds().
void dbus_connection_set_max_received_unix_fds(DBusConnection *connection, long n)
Sets the maximum total number of unix fds that can be used for all messages received on this connecti...
dbus_bool_t dbus_connection_get_socket(DBusConnection *connection, int *fd)
Gets the underlying Windows or UNIX socket file descriptor of the connection, if any.
void dbus_connection_free_preallocated_send(DBusConnection *connection, DBusPreallocatedSend *preallocated)
Frees preallocated message-sending resources from dbus_connection_preallocate_send().
void dbus_message_set_serial(DBusMessage *message, dbus_uint32_t serial)
Sets the serial number of a message.
DBusTimeoutList implementation details.
DBusMessage * dbus_message_new_method_return(DBusMessage *method_call)
Constructs a message that is a reply to a method call.
DBusRMutex * slot_mutex
Lock on slot_list so overall connection lock need not be taken.
void _dbus_transport_unref(DBusTransport *transport)
Decrements the reference count for the transport.
int generation
_dbus_current_generation that should correspond to this connection
void _dbus_watch_list_remove_watch(DBusWatchList *watch_list, DBusWatch *watch)
Removes a watch from the watch list, invoking the application's DBusRemoveWatchFunction if appropriat...
long _dbus_counter_get_unix_fd_value(DBusCounter *counter)
Gets the current value of the unix fd counter.
void _dbus_data_slot_list_free(DBusDataSlotList *list)
Frees the data slot list and all data slots contained in it, calling application-provided free functi...
void _dbus_list_clear(DBusList **list)
Frees all links in the list and sets the list head to NULL.
dbus_bool_t(* DBusTimeoutAddFunction)(DBusTimeoutList *list, DBusTimeout *timeout)
Function to be called in protected_change_timeout() with refcount held.
DBUS_EXPORT int dbus_timeout_get_interval(DBusTimeout *timeout)
Gets the timeout interval.
dbus_bool_t dbus_connection_read_write_dispatch(DBusConnection *connection, int timeout_milliseconds)
This function is intended for use with applications that don't want to write a main loop and deal wit...
long _dbus_counter_get_size_value(DBusCounter *counter)
Gets the current value of the size counter.
DBusMessage * dbus_message_new_error(DBusMessage *reply_to, const char *error_name, const char *error_message)
Creates a new message that is an error reply to another message.