1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#ifndef foodbushfoo
#define foodbushfoo
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dbus/dbus.h>
#include "manager.h"
typedef int (*BusPropertyCallback)(Manager *m, DBusMessageIter *iter, const char *property, void *data);
typedef struct BusProperty {
const char *interface; /* interface of the property */
const char *property; /* name of the property */
BusPropertyCallback append; /* Function that is called to serialize this property */
const char *signature;
const void *data; /* The data of this property */
} BusProperty;
#define BUS_PROPERTIES_INTERFACE \
" <interface name=\"org.freedesktop.DBus.Properties\">\n" \
" <method name=\"Get\">\n" \
" <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \
" <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \
" <arg name=\"value\" direction=\"out\" type=\"v\"/>\n" \
" </method>\n" \
" <method name=\"GetAll\">\n" \
" <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \
" <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>\n" \
" </method>\n" \
" <signal name=\"PropertiesChanged\">\n" \
" <arg type=\"s\" name=\"interface\"/>\n" \
" <arg type=\"a{sv}\" name=\"changed_properties\"/>\n" \
" <arg type=\"as\" name=\"invalidated_properties\"/>\n" \
" </signal>\n" \
" </interface>\n"
#define BUS_INTROSPECTABLE_INTERFACE \
" <interface name=\"org.freedesktop.DBus.Introspectable\">\n" \
" <method name=\"Introspect\">\n" \
" <arg name=\"data\" type=\"s\" direction=\"out\"/>\n" \
" </method>\n" \
" </interface>\n"
#define BUS_PEER_INTERFACE \
"<interface name=\"org.freedesktop.DBus.Peer\">\n" \
" <method name=\"Ping\"/>\n" \
" <method name=\"GetMachineId\">\n" \
" <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n" \
" </method>\n" \
"</interface>\n"
int bus_init(Manager *m, bool try_bus_connect);
void bus_done(Manager *m);
unsigned bus_dispatch(Manager *m);
void bus_watch_event(Manager *m, Watch *w, int events);
void bus_timeout_event(Manager *m, Watch *w, int events);
int bus_query_pid(Manager *m, const char *name);
DBusHandlerResult bus_default_message_handler(Manager *m, DBusConnection *c, DBusMessage *message, const char* introspection, const BusProperty *properties);
DBusHandlerResult bus_send_error_reply(Manager *m, DBusConnection *c, DBusMessage *message, DBusError *bus_error, int error);
int bus_broadcast(Manager *m, DBusMessage *message);
int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_int32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_size(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_ul(Manager *m, DBusMessageIter *i, const char *property, void *data);
#define bus_property_append_int bus_property_append_int32
#define bus_property_append_pid bus_property_append_uint32
#define bus_property_append_mode bus_property_append_uint32
#define bus_property_append_unsigned bus_property_append_uint32
#define bus_property_append_usec bus_property_append_uint64
#define DEFINE_BUS_PROPERTY_APPEND_ENUM(function,name,type) \
int function(Manager *m, DBusMessageIter *i, const char *property, void *data) { \
const char *value; \
type *field = data; \
\
assert(m); \
assert(i); \
assert(property); \
\
value = name##_to_string(*field); \
\
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &value)) \
return -ENOMEM; \
\
return 0; \
}
int bus_parse_strv(DBusMessage *m, char ***_l);
bool bus_has_subscriber(Manager *m);
bool bus_connection_has_subscriber(Manager *m, DBusConnection *c);
DBusMessage* bus_properties_changed_new(const char *path, const char *interface, const char *properties);
#define BUS_CONNECTION_SUBSCRIBED(m, c) dbus_connection_get_data((c), (m)->subscribed_data_slot)
#define BUS_PENDING_CALL_NAME(m, p) dbus_pending_call_get_data((p), (m)->name_data_slot)
extern const char * const bus_interface_table[];
#endif
|