D-Bus 1.16.0
dbus-connection-internal.h
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* dbus-connection-internal.h DBusConnection internal interfaces
3 *
4 * Copyright (C) 2002 Red Hat Inc.
5 *
6 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25#ifndef DBUS_CONNECTION_INTERNAL_H
26#define DBUS_CONNECTION_INTERNAL_H
27
28#include <dbus/dbus-internals.h>
29#include <dbus/dbus-connection.h>
30#include <dbus/dbus-credentials.h>
31#include <dbus/dbus-message.h>
32#include <dbus/dbus-transport.h>
33#include <dbus/dbus-resources.h>
34#include <dbus/dbus-list.h>
35#include <dbus/dbus-timeout.h>
36#include <dbus/dbus-dataslot.h>
37
38DBUS_BEGIN_DECLS
39
40typedef enum
41{
42 DBUS_ITERATION_DO_WRITING = 1 << 0,
43 DBUS_ITERATION_DO_READING = 1 << 1,
44 DBUS_ITERATION_BLOCK = 1 << 2
45} DBusIterationFlags;
46
48#define _DBUS_DEFAULT_TIMEOUT_VALUE (25 * 1000)
49
50typedef void (* DBusPendingFdsChangeFunction) (void *data);
51
52DBUS_PRIVATE_EXPORT
53void _dbus_connection_lock (DBusConnection *connection);
54DBUS_PRIVATE_EXPORT
55void _dbus_connection_unlock (DBusConnection *connection);
56DBUS_PRIVATE_EXPORT
57DBusConnection * _dbus_connection_ref_unlocked (DBusConnection *connection);
58DBUS_PRIVATE_EXPORT
59void _dbus_connection_unref_unlocked (DBusConnection *connection);
60DBUS_PRIVATE_EXPORT
61dbus_uint32_t _dbus_connection_get_next_client_serial (DBusConnection *connection);
62void _dbus_connection_queue_received_message_link (DBusConnection *connection,
63 DBusList *link);
64dbus_bool_t _dbus_connection_has_messages_to_send_unlocked (DBusConnection *connection);
65DBusMessage* _dbus_connection_get_message_to_send (DBusConnection *connection);
66void _dbus_connection_message_sent_unlocked (DBusConnection *connection,
67 DBusMessage *message);
68dbus_bool_t _dbus_connection_add_watch_unlocked (DBusConnection *connection,
69 DBusWatch *watch);
70void _dbus_connection_remove_watch_unlocked (DBusConnection *connection,
71 DBusWatch *watch);
72void _dbus_connection_toggle_watch_unlocked (DBusConnection *connection,
73 DBusWatch *watch,
74 dbus_bool_t enabled);
75dbus_bool_t _dbus_connection_handle_watch (DBusWatch *watch,
76 unsigned int condition,
77 void *data);
78dbus_bool_t _dbus_connection_add_timeout_unlocked (DBusConnection *connection,
79 DBusTimeout *timeout);
80void _dbus_connection_remove_timeout_unlocked (DBusConnection *connection,
81 DBusTimeout *timeout);
82void _dbus_connection_toggle_timeout_unlocked (DBusConnection *connection,
83 DBusTimeout *timeout,
84 dbus_bool_t enabled);
85DBusConnection* _dbus_connection_new_for_transport (DBusTransport *transport);
86void _dbus_connection_do_iteration_unlocked (DBusConnection *connection,
87 DBusPendingCall *pending,
88 unsigned int flags,
89 int timeout_milliseconds);
90void _dbus_connection_close_possibly_shared (DBusConnection *connection);
91void _dbus_connection_close_if_only_one_ref (DBusConnection *connection);
92
93DBusPendingCall* _dbus_pending_call_new (DBusConnection *connection,
94 int timeout_milliseconds,
95 DBusTimeoutHandler timeout_handler);
96void _dbus_pending_call_notify (DBusPendingCall *pending);
97void _dbus_connection_remove_pending_call (DBusConnection *connection,
98 DBusPendingCall *pending);
99void _dbus_connection_block_pending_call (DBusPendingCall *pending);
100void _dbus_pending_call_complete_and_unlock (DBusPendingCall *pending,
101 DBusMessage *message);
102dbus_bool_t _dbus_connection_send_and_unlock (DBusConnection *connection,
103 DBusMessage *message,
104 dbus_uint32_t *client_serial);
105
106void _dbus_connection_queue_synthesized_message_link (DBusConnection *connection,
107 DBusList *link);
108DBUS_PRIVATE_EXPORT
109void _dbus_connection_test_get_locks (DBusConnection *conn,
110 DBusMutex **mutex_loc,
111 DBusMutex **dispatch_mutex_loc,
112 DBusMutex **io_path_mutex_loc,
113 DBusCondVar **dispatch_cond_loc,
114 DBusCondVar **io_path_cond_loc);
115DBUS_PRIVATE_EXPORT
116int _dbus_connection_get_pending_fds_count (DBusConnection *connection);
117DBUS_PRIVATE_EXPORT
118void _dbus_connection_set_pending_fds_function (DBusConnection *connection,
119 DBusPendingFdsChangeFunction callback,
120 void *data);
121
122DBUS_PRIVATE_EXPORT
123dbus_bool_t _dbus_connection_get_linux_security_label (DBusConnection *connection,
124 char **label_p);
125DBUS_PRIVATE_EXPORT
126DBusCredentials *_dbus_connection_get_credentials (DBusConnection *connection);
127
128/* if DBUS_ENABLE_STATS */
129DBUS_PRIVATE_EXPORT
130void _dbus_connection_get_stats (DBusConnection *connection,
131 dbus_uint32_t *in_messages,
132 dbus_uint32_t *in_bytes,
133 dbus_uint32_t *in_fds,
134 dbus_uint32_t *in_peak_bytes,
135 dbus_uint32_t *in_peak_fds,
136 dbus_uint32_t *out_messages,
137 dbus_uint32_t *out_bytes,
138 dbus_uint32_t *out_fds,
139 dbus_uint32_t *out_peak_bytes,
140 dbus_uint32_t *out_peak_fds);
141
142
143DBUS_EMBEDDED_TESTS_EXPORT
144const char* _dbus_connection_get_address (DBusConnection *connection);
145
146/* This _dbus_bus_* stuff doesn't really belong here, but dbus-bus-internal.h seems
147 * silly for one function
148 */
154void _dbus_bus_notify_shared_connection_disconnected_unlocked (DBusConnection *connection);
155
159DBUS_END_DECLS
160
161#endif /* DBUS_CONNECTION_INTERNAL_H */
_dbus_bus_notify_shared_connection_disconnected_unlocked
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...
Definition dbus-bus.c:390
_dbus_connection_handle_watch
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.
Definition dbus-connection.c:1500
_dbus_connection_toggle_timeout_unlocked
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.
Definition dbus-connection.c:909
_dbus_connection_do_iteration_unlocked
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 ...
Definition dbus-connection.c:1202
_dbus_connection_send_and_unlock
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,...
Definition dbus-connection.c:2112
_dbus_connection_new_for_transport
DBusConnection * _dbus_connection_new_for_transport(DBusTransport *transport)
Creates a new connection for the given transport.
Definition dbus-connection.c:1253
_dbus_connection_has_messages_to_send_unlocked
dbus_bool_t _dbus_connection_has_messages_to_send_unlocked(DBusConnection *connection)
Checks whether there are messages in the outgoing message queue.
Definition dbus-connection.c:576
_dbus_connection_unlock
DBUS_PRIVATE_EXPORT void _dbus_connection_unlock(DBusConnection *connection)
Releases the connection lock.
Definition dbus-connection.c:403
_dbus_connection_lock
DBUS_PRIVATE_EXPORT void _dbus_connection_lock(DBusConnection *connection)
Acquires the connection lock.
Definition dbus-connection.c:392
_dbus_connection_remove_watch_unlocked
void _dbus_connection_remove_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Removes a watch using the connection's DBusRemoveWatchFunction if available.
Definition dbus-connection.c:765
_dbus_connection_add_timeout_unlocked
dbus_bool_t _dbus_connection_add_timeout_unlocked(DBusConnection *connection, DBusTimeout *timeout)
Adds a timeout using the connection's DBusAddTimeoutFunction if available.
Definition dbus-connection.c:871
_dbus_connection_toggle_watch_unlocked
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.
Definition dbus-connection.c:785
_dbus_connection_add_watch_unlocked
dbus_bool_t _dbus_connection_add_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Adds a watch using the connection's DBusAddWatchFunction if available.
Definition dbus-connection.c:747
_dbus_connection_remove_pending_call
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.
Definition dbus-connection.c:1048
_dbus_connection_close_if_only_one_ref
void _dbus_connection_close_if_only_one_ref(DBusConnection *connection)
Used internally to handle the semantics of dbus_server_set_new_connection_function().
Definition dbus-connection.c:2160
_dbus_connection_unref_unlocked
DBUS_PRIVATE_EXPORT void _dbus_connection_unref_unlocked(DBusConnection *connection)
Decrements the reference count of a DBusConnection.
Definition dbus-connection.c:1447
_dbus_connection_get_message_to_send
DBusMessage * _dbus_connection_get_message_to_send(DBusConnection *connection)
Gets the next outgoing message.
Definition dbus-connection.c:613
_dbus_connection_message_sent_unlocked
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...
Definition dbus-connection.c:629
_dbus_connection_remove_timeout_unlocked
void _dbus_connection_remove_timeout_unlocked(DBusConnection *connection, DBusTimeout *timeout)
Removes a timeout using the connection's DBusRemoveTimeoutFunction if available.
Definition dbus-connection.c:889
_dbus_connection_get_next_client_serial
DBUS_PRIVATE_EXPORT dbus_uint32_t _dbus_connection_get_next_client_serial(DBusConnection *connection)
Allocate and return the next non-zero serial number for outgoing messages.
Definition dbus-connection.c:1474
_dbus_connection_queue_received_message_link
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...
Definition dbus-connection.c:484
_dbus_connection_get_pending_fds_count
DBUS_PRIVATE_EXPORT int _dbus_connection_get_pending_fds_count(DBusConnection *connection)
Return how many file descriptors are pending in the loader.
Definition dbus-connection.c:2577
_dbus_connection_set_pending_fds_function
DBUS_PRIVATE_EXPORT void _dbus_connection_set_pending_fds_function(DBusConnection *connection, DBusPendingFdsChangeFunction callback, void *data)
Register a function to be called whenever the number of pending file descriptors in the loader change...
Definition dbus-connection.c:2590
_dbus_connection_block_pending_call
void _dbus_connection_block_pending_call(DBusPendingCall *pending)
Blocks until a pending call times out or gets a reply.
Definition dbus-connection.c:2394
_dbus_connection_queue_synthesized_message_link
void _dbus_connection_queue_synthesized_message_link(DBusConnection *connection, DBusList *link)
Adds a link + message to the incoming message queue.
Definition dbus-connection.c:549
_dbus_connection_close_possibly_shared
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...
Definition dbus-connection.c:1962
_dbus_connection_ref_unlocked
DBUS_PRIVATE_EXPORT DBusConnection * _dbus_connection_ref_unlocked(DBusConnection *connection)
Increments the reference count of a DBusConnection.
Definition dbus-connection.c:1424
DBUS_BEGIN_DECLS
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
Definition dbus-macros.h:36
DBUS_END_DECLS
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
Definition dbus-macros.h:37
DBusMutex
struct DBusMutex DBusMutex
An opaque mutex type provided by the DBusThreadFunctions implementation installed by dbus_threads_ini...
Definition dbus-threads.h:43
DBusTimeoutHandler
dbus_bool_t(* DBusTimeoutHandler)(void *data)
function to run when the timeout is handled
Definition dbus-timeout.h:43
DBusConnection
Implementation details of DBusConnection.
Definition dbus-connection.c:259
DBusList
A node in a linked list.
Definition dbus-list.h:37
DBusMessage
Internals of DBusMessage.
Definition dbus-message-private.h:102
DBusPendingCall
Implementation details of DBusPendingCall - all fields are private.
Definition dbus-pending-call.c:65
DBusTimeout
Internals of DBusTimeout.
Definition dbus-timeout.c:43
DBusTransport
Object representing a transport such as a socket.
Definition dbus-transport-protected.h:83
DBusWatch
Implementation of DBusWatch.
Definition dbus-watch.c:43
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