1/*
2 * WPA Supplicant / dbus-based control interface
3 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
4 * Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Alternatively, this software may be distributed under the terms of BSD
11 * license.
12 *
13 * See README and COPYING for more details.
14 */
15
16#ifndef WPA_DBUS_CTRL_H
17#define WPA_DBUS_CTRL_H
18
19#include <dbus/dbus.h>
20
21typedef DBusMessage * (* WPADBusMethodHandler)(DBusMessage *message,
22 void *user_data);
23typedef void (* WPADBusArgumentFreeFunction)(void *handler_arg);
24
25typedef DBusMessage * (* WPADBusPropertyAccessor)(DBusMessage *message,
26 const void *user_data);
27
28struct wpa_dbus_object_desc {
29 DBusConnection *connection;
30 char *path;
31
32 /* list of methods, properties and signals registered with object */
33 const struct wpa_dbus_method_desc *methods;
34 const struct wpa_dbus_signal_desc *signals;

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39
40 /* argument for method handlers and properties
41 * getter and setter functions */
42 void *user_data;
43 /* function used to free above argument */
44 WPADBusArgumentFreeFunction user_data_free_func;
45};
46
47enum dbus_prop_access { R, W, RW };
48
49enum dbus_arg_direction { ARG_IN, ARG_OUT };
50
51struct wpa_dbus_argument {
52 char *name;
53 char *type;
54 enum dbus_arg_direction dir;
55};
56

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62struct wpa_dbus_method_desc {
63 /* method name */
64 const char *dbus_method;
65 /* method interface */
66 const char *dbus_interface;
67 /* method handling function */
68 WPADBusMethodHandler method_handler;
69 /* array of arguments */
70 struct wpa_dbus_argument args[3];
71};
72
73/**
74 * struct wpa_dbus_signal_desc - DBus signal description
75 */
76struct wpa_dbus_signal_desc {
77 /* signal name */
78 const char *dbus_signal;
79 /* signal interface */
80 const char *dbus_interface;
81 /* array of arguments */
82 struct wpa_dbus_argument args[3];
83};
84
85/**
86 * struct wpa_dbus_property_desc - DBus property description
87 */
88struct wpa_dbus_property_desc {
89 /* property name */
90 const char *dbus_property;
91 /* property interface */
92 const char *dbus_interface;
93 /* property type signature in DBus type notation */
94 const char *type;
95 /* property getter function */
96 WPADBusPropertyAccessor getter;
97 /* property setter function */
98 WPADBusPropertyAccessor setter;
99 /* property access permissions */
100 enum dbus_prop_access access;
101};
102
103
104#define WPAS_DBUS_OBJECT_PATH_MAX 150
105#define WPAS_DBUS_INTERFACE_MAX 150
106#define WPAS_DBUS_METHOD_SIGNAL_PROP_MAX 50
107
108#define WPA_DBUS_INTROSPECTION_INTERFACE "org.freedesktop.DBus.Introspectable"
109#define WPA_DBUS_INTROSPECTION_METHOD "Introspect"
110#define WPA_DBUS_PROPERTIES_INTERFACE "org.freedesktop.DBus.Properties"
111#define WPA_DBUS_PROPERTIES_GET "Get"
112#define WPA_DBUS_PROPERTIES_SET "Set"
113#define WPA_DBUS_PROPERTIES_GETALL "GetAll"
114

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122 struct wpas_dbus_priv *ctrl_iface,
123 const char *path, const char *ifname,
124 struct wpa_dbus_object_desc *obj_desc);
125
126int wpa_dbus_unregister_object_per_iface(
127 struct wpas_dbus_priv *ctrl_iface,
128 const char *path);
129
130void wpa_dbus_get_object_properties(struct wpas_dbus_priv *iface,
131 const char *path, const char *interface,
132 DBusMessageIter *dict_iter);
133
134
135void wpa_dbus_flush_all_changed_properties(DBusConnection *con);
136
137void wpa_dbus_flush_object_changed_properties(DBusConnection *con,
138 const char *path);
139
140void wpa_dbus_mark_property_changed(struct wpas_dbus_priv *iface,
141 const char *path, const char *interface,
142 const char *property);
143
144DBusMessage * wpa_dbus_introspect(DBusMessage *message,
145 struct wpa_dbus_object_desc *obj_dsc);
146
147#endif /* WPA_DBUS_CTRL_H */