• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-shared.h  Stuff used by both dbus/dbus.h low-level and C/C++ binding APIs
3  *
4  * Copyright (C) 2004 Red Hat, Inc.
5  *
6  * Licensed under the Academic Free License version 2.1
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23 
24 #ifndef DBUS_SHARED_H
25 #define DBUS_SHARED_H
26 
27 /* Don't include anything in here from anywhere else. It's
28  * intended for use by any random library.
29  */
30 
31 #ifdef  __cplusplus
32 extern "C" {
33 #if 0
34 } /* avoids confusing emacs indentation */
35 #endif
36 #endif
37 
38 /* Normally docs are in .c files, but there isn't a .c file for this. */
39 /**
40  * @defgroup DBusShared Shared constants
41  * @ingroup  DBus
42  *
43  * @brief Shared header included by both libdbus and C/C++ bindings such as the GLib bindings.
44  *
45  * Usually a C/C++ binding such as the GLib or Qt binding won't want to include dbus.h in its
46  * public headers. However, a few constants and macros may be useful to include; those are
47  * found here and in dbus-protocol.h
48  *
49  * @{
50  */
51 
52 
53 /**
54  * Well-known bus types. See dbus_bus_get().
55  */
56 typedef enum
57 {
58   DBUS_BUS_SESSION,    /**< The login session bus */
59   DBUS_BUS_SYSTEM,     /**< The systemwide bus */
60   DBUS_BUS_STARTER     /**< The bus that started us, if any */
61 } DBusBusType;
62 
63 /**
64  * Results that a message handler can return.
65  */
66 typedef enum
67 {
68   DBUS_HANDLER_RESULT_HANDLED,         /**< Message has had its effect - no need to run more handlers. */
69   DBUS_HANDLER_RESULT_NOT_YET_HANDLED, /**< Message has not had any effect - see if other handlers want it. */
70   DBUS_HANDLER_RESULT_NEED_MEMORY      /**< Need more memory in order to return #DBUS_HANDLER_RESULT_HANDLED or #DBUS_HANDLER_RESULT_NOT_YET_HANDLED. Please try again later with more memory. */
71 } DBusHandlerResult;
72 
73 /* Bus names */
74 
75 /** The bus name used to talk to the bus itself. */
76 #define DBUS_SERVICE_DBUS      "org.freedesktop.DBus"
77 
78 /* Paths */
79 /** The object path used to talk to the bus itself. */
80 #define DBUS_PATH_DBUS  "/org/freedesktop/DBus"
81 /** The object path used in local/in-process-generated messages. */
82 #define DBUS_PATH_LOCAL "/org/freedesktop/DBus/Local"
83 
84 /* Interfaces, these #define don't do much other than
85  * catch typos at compile time
86  */
87 /** The interface exported by the object with #DBUS_SERVICE_DBUS and #DBUS_PATH_DBUS */
88 #define DBUS_INTERFACE_DBUS           "org.freedesktop.DBus"
89 /** The interface supported by introspectable objects */
90 #define DBUS_INTERFACE_INTROSPECTABLE "org.freedesktop.DBus.Introspectable"
91 /** The interface supported by objects with properties */
92 #define DBUS_INTERFACE_PROPERTIES     "org.freedesktop.DBus.Properties"
93 /** The interface supported by most dbus peers */
94 #define DBUS_INTERFACE_PEER           "org.freedesktop.DBus.Peer"
95 
96 /** This is a special interface whose methods can only be invoked
97  * by the local implementation (messages from remote apps aren't
98  * allowed to specify this interface).
99  */
100 #define DBUS_INTERFACE_LOCAL "org.freedesktop.DBus.Local"
101 
102 /* Owner flags */
103 #define DBUS_NAME_FLAG_ALLOW_REPLACEMENT 0x1 /**< Allow another service to become the primary owner if requested */
104 #define DBUS_NAME_FLAG_REPLACE_EXISTING  0x2 /**< Request to replace the current primary owner */
105 #define DBUS_NAME_FLAG_DO_NOT_QUEUE      0x4 /**< If we can not become the primary owner do not place us in the queue */
106 
107 /* Replies to request for a name */
108 #define DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER  1 /**< Service has become the primary owner of the requested name */
109 #define DBUS_REQUEST_NAME_REPLY_IN_QUEUE       2 /**< Service could not become the primary owner and has been placed in the queue */
110 #define DBUS_REQUEST_NAME_REPLY_EXISTS         3 /**< Service is already in the queue */
111 #define DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER  4 /**< Service is already the primary owner */
112 
113 /* Replies to releasing a name */
114 #define DBUS_RELEASE_NAME_REPLY_RELEASED        1 /**< Service was released from the given name */
115 #define DBUS_RELEASE_NAME_REPLY_NON_EXISTENT    2 /**< The given name does not exist on the bus */
116 #define DBUS_RELEASE_NAME_REPLY_NOT_OWNER       3 /**< Service is not an owner of the given name */
117 
118 /* Replies to service starts */
119 #define DBUS_START_REPLY_SUCCESS         1 /**< Service was auto started */
120 #define DBUS_START_REPLY_ALREADY_RUNNING 2 /**< Service was already running */
121 
122 /** @} */
123 
124 #ifdef __cplusplus
125 #if 0
126 { /* avoids confusing emacs indentation */
127 #endif
128 }
129 #endif
130 
131 #endif /* DBUS_SHARED_H */
132