[kdbus] Do not set body message if signature field is empty
[platform/upstream/glib.git] / gio / gdbusprivate.h
1 /* GDBus - GLib D-Bus Library
2  *
3  * Copyright (C) 2008-2010 Red Hat, Inc.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General
16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17  *
18  * Author: David Zeuthen <davidz@redhat.com>
19  */
20
21 #ifndef __G_DBUS_PRIVATE_H__
22 #define __G_DBUS_PRIVATE_H__
23
24 #if !defined (GIO_COMPILATION)
25 #error "gdbusprivate.h is a private header file."
26 #endif
27
28 #include <gio/giotypes.h>
29
30 G_BEGIN_DECLS
31
32 /* ---------------------------------------------------------------------------------------------------- */
33
34 typedef struct GDBusWorker GDBusWorker;
35
36 typedef void (*GDBusWorkerMessageReceivedCallback) (GDBusMessage  *message,
37                                                     gpointer       user_data);
38
39 typedef GDBusMessage *(*GDBusWorkerMessageAboutToBeSentCallback) (GDBusMessage  *message,
40                                                                   gpointer       user_data);
41
42 typedef void (*GDBusWorkerDisconnectedCallback)    (gboolean       remote_peer_vanished,
43                                                     GError        *error,
44                                                     gpointer       user_data);
45
46 /* This function may be called from any thread - callbacks will be in the shared private message thread
47  * and must not block.
48  */
49 GDBusWorker *_g_dbus_worker_new          (GIOStream                          *stream,
50                                           GDBusCapabilityFlags                capabilities,
51                                           gboolean                            initially_frozen,
52                                           GDBusWorkerMessageReceivedCallback  message_received_callback,
53                                           GDBusWorkerMessageAboutToBeSentCallback message_about_to_be_sent_callback,
54                                           GDBusWorkerDisconnectedCallback     disconnected_callback,
55                                           gpointer                            user_data);
56
57 /* can be called from any thread - steals blob */
58 void         _g_dbus_worker_send_message (GDBusWorker    *worker,
59                                           GDBusMessage   *message,
60                                           gchar          *blob,
61                                           gsize           blob_len);
62
63 /* can be called from any thread */
64 void         _g_dbus_worker_stop         (GDBusWorker    *worker);
65
66 /* can be called from any thread */
67 void         _g_dbus_worker_unfreeze     (GDBusWorker    *worker);
68
69 /* can be called from any thread (except the worker thread) */
70 gboolean     _g_dbus_worker_flush_sync   (GDBusWorker    *worker,
71                                           GCancellable   *cancellable,
72                                           GError        **error);
73
74 /* can be called from any thread */
75 void         _g_dbus_worker_close        (GDBusWorker         *worker,
76                                           GCancellable        *cancellable,
77                                           GSimpleAsyncResult  *result);
78
79 /* ---------------------------------------------------------------------------------------------------- */
80
81 void _g_dbus_initialize (void);
82 gboolean _g_dbus_debug_authentication (void);
83 gboolean _g_dbus_debug_transport (void);
84 gboolean _g_dbus_debug_message (void);
85 gboolean _g_dbus_debug_payload (void);
86 gboolean _g_dbus_debug_call    (void);
87 gboolean _g_dbus_debug_signal  (void);
88 gboolean _g_dbus_debug_incoming (void);
89 gboolean _g_dbus_debug_return (void);
90 gboolean _g_dbus_debug_emission (void);
91 gboolean _g_dbus_debug_address (void);
92
93 void     _g_dbus_debug_print_lock (void);
94 void     _g_dbus_debug_print_unlock (void);
95
96 gboolean _g_dbus_address_parse_entry (const gchar  *address_entry,
97                                       gchar       **out_transport_name,
98                                       GHashTable  **out_key_value_pairs,
99                                       GError      **error);
100
101 GVariantType * _g_dbus_compute_complete_signature (GDBusArgInfo **args);
102
103 gchar *_g_dbus_hexdump (const gchar *data, gsize len, guint indent);
104
105 /* ---------------------------------------------------------------------------------------------------- */
106
107 #ifdef G_OS_WIN32
108 gchar *_g_dbus_win32_get_user_sid (void);
109 #endif
110
111 gchar *_g_dbus_get_machine_id (GError **error);
112
113 gchar *_g_dbus_enum_to_string (GType enum_type, gint value);
114
115 /* ---------------------------------------------------------------------------------------------------- */
116
117 GDBusMethodInvocation *_g_dbus_method_invocation_new (const gchar             *sender,
118                                                       const gchar             *object_path,
119                                                       const gchar             *interface_name,
120                                                       const gchar             *method_name,
121                                                       const GDBusMethodInfo   *method_info,
122                                                       const GDBusPropertyInfo *property_info,
123                                                       GDBusConnection         *connection,
124                                                       GDBusMessage            *message,
125                                                       GVariant                *parameters,
126                                                       gpointer                 user_data);
127
128 /* ---------------------------------------------------------------------------------------------------- */
129
130 gboolean _g_signal_accumulator_false_handled (GSignalInvocationHint *ihint,
131                                               GValue                *return_accu,
132                                               const GValue          *handler_return,
133                                               gpointer               dummy);
134
135 gboolean _g_dbus_object_skeleton_has_authorize_method_handlers (GDBusObjectSkeleton *object);
136
137 void _g_dbus_object_proxy_add_interface (GDBusObjectProxy *proxy,
138                                          GDBusProxy       *interface_proxy);
139 void _g_dbus_object_proxy_remove_interface (GDBusObjectProxy *proxy,
140                                             const gchar      *interface_name);
141
142 /* Implemented in gdbusconnection.c */
143 GDBusConnection *_g_bus_get_singleton_if_exists (GBusType bus_type);
144
145 void g_dbus_message_init_header_iter (GDBusMessage   *message,
146                                       GHashTableIter *iter);
147
148 GObject *
149 g_dbus_address_get_stream_internal (const gchar   *address,
150                                     gboolean       kdbus_okay,
151                                     gchar        **out_uuid,
152                                     GCancellable  *cancellable,
153                                     GError       **error);
154
155
156 G_END_DECLS
157
158 #endif /* __G_DBUS_PRIVATE_H__ */