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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
40ca29a1 LP |
2 | #pragma once |
3 | ||
a8fbdf54 TA |
4 | #include <stdbool.h> |
5 | #include <stddef.h> | |
6 | #include <stdint.h> | |
7 | #include <sys/types.h> | |
8 | ||
40ca29a1 | 9 | #include "sd-bus.h" |
07630cea LP |
10 | #include "sd-event.h" |
11 | ||
a8fbdf54 | 12 | #include "macro.h" |
269e4d2d | 13 | #include "set.h" |
07630cea | 14 | #include "string-util.h" |
ca78ad1d | 15 | #include "time-util.h" |
40ca29a1 | 16 | |
057171ef DH |
17 | typedef enum BusTransport { |
18 | BUS_TRANSPORT_LOCAL, | |
19 | BUS_TRANSPORT_REMOTE, | |
20 | BUS_TRANSPORT_MACHINE, | |
21 | _BUS_TRANSPORT_MAX, | |
22 | _BUS_TRANSPORT_INVALID = -1 | |
23 | } BusTransport; | |
24 | ||
9f6eb1cd KS |
25 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
26 | ||
ffc06c35 | 27 | struct bus_properties_map { |
9f6eb1cd KS |
28 | const char *member; |
29 | const char *signature; | |
30 | bus_property_set_t set; | |
31 | size_t offset; | |
ffc06c35 KS |
32 | }; |
33 | ||
a7e4861c | 34 | enum { |
ef31828d LP |
35 | BUS_MAP_STRDUP = 1 << 0, /* If set, each "s" message is duplicated. Thus, each pointer needs to be freed. */ |
36 | BUS_MAP_BOOLEAN_AS_BOOL = 1 << 1, /* If set, each "b" message is written to a bool pointer. If not set, "b" is written to a int pointer. */ | |
a7e4861c YW |
37 | }; |
38 | ||
9f6eb1cd KS |
39 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
40 | ||
a7e4861c | 41 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata); |
a7e4861c YW |
42 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, |
43 | unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata); | |
ffc06c35 | 44 | |
6203e07a | 45 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 46 | |
37224a5f LP |
47 | typedef bool (*check_idle_t)(void *userdata); |
48 | ||
49 | int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata); | |
718db961 | 50 | |
5fd38859 DH |
51 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
52 | ||
718db961 | 53 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 54 | |
266f3e26 LP |
55 | int bus_connect_system_systemd(sd_bus **_bus); |
56 | int bus_connect_user_systemd(sd_bus **_bus); | |
a1da8583 | 57 | |
266f3e26 LP |
58 | int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
59 | int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); | |
d21ed1ea | 60 | |
eda19357 | 61 | typedef int (*bus_message_print_t) (const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all); |
07636114 | 62 | |
102b0214 YW |
63 | int bus_print_property_value(const char *name, const char *expected_value, bool only_value, const char *value); |
64 | int bus_print_property_valuef(const char *name, const char *expected_value, bool only_value, const char *fmt, ...) _printf_(4,5); | |
07636114 YW |
65 | int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties); |
66 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties); | |
0c842e0a | 67 | |
ebcf1f97 | 68 | int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
43ce15ac | 69 | int bus_property_set_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error); |
766c94ad | 70 | int bus_property_get_id128(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
e6504030 | 71 | |
718db961 LP |
72 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
73 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
74 | ||
75 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
76 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
77 | ||
9629659f | 78 | assert_cc(sizeof(unsigned) == sizeof(uint32_t)); |
718db961 LP |
79 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) |
80 | ||
81 | /* On 64bit machines we can use the default serializer for size_t and | |
82 | * friends, otherwise we need to cast this manually */ | |
83 | #if __SIZEOF_SIZE_T__ == 8 | |
84 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
85 | #else | |
ebcf1f97 | 86 | int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
718db961 LP |
87 | #endif |
88 | ||
89 | #if __SIZEOF_LONG__ == 8 | |
90 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
91 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
92 | #else | |
ebcf1f97 LP |
93 | int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
94 | int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); | |
718db961 LP |
95 | #endif |
96 | ||
97 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
98 | * default serializer for 32bit unsigned, for serializing it, and map | |
99 | * it to NULL here */ | |
100 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
101 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
102 | ||
103 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
104 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
105 | ||
106 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
107 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
108 | ||
109 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
110 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 111 | |
32131a3a ZJS |
112 | #define bus_log_parse_error(r) \ |
113 | log_error_errno(r, "Failed to parse bus message: %m") | |
114 | ||
115 | #define bus_log_create_error(r) \ | |
116 | log_error_errno(r, "Failed to create bus message: %m") | |
f459b602 | 117 | |
f744776f YW |
118 | #define BUS_DEFINE_PROPERTY_GET_GLOBAL(function, bus_type, val) \ |
119 | int function(sd_bus *bus, \ | |
120 | const char *path, \ | |
121 | const char *interface, \ | |
122 | const char *property, \ | |
123 | sd_bus_message *reply, \ | |
124 | void *userdata, \ | |
125 | sd_bus_error *error) { \ | |
126 | \ | |
127 | assert(bus); \ | |
128 | assert(reply); \ | |
129 | \ | |
130 | return sd_bus_message_append(reply, bus_type, val); \ | |
131 | } | |
132 | ||
133 | #define BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, get2) \ | |
134 | int function(sd_bus *bus, \ | |
135 | const char *path, \ | |
136 | const char *interface, \ | |
137 | const char *property, \ | |
138 | sd_bus_message *reply, \ | |
139 | void *userdata, \ | |
140 | sd_bus_error *error) { \ | |
141 | \ | |
142 | data_type *data = userdata; \ | |
143 | \ | |
144 | assert(bus); \ | |
145 | assert(reply); \ | |
146 | assert(data); \ | |
147 | \ | |
148 | return sd_bus_message_append(reply, bus_type, \ | |
149 | get2(get1(data))); \ | |
150 | } | |
151 | ||
152 | #define ident(x) (x) | |
c3218854 | 153 | #define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \ |
f744776f YW |
154 | BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident) |
155 | ||
c3218854 YW |
156 | #define ref(x) (*(x)) |
157 | #define BUS_DEFINE_PROPERTY_GET_REF(function, bus_type, data_type, get) \ | |
158 | BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, ref, get) | |
159 | ||
c3350683 | 160 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ |
c3218854 | 161 | BUS_DEFINE_PROPERTY_GET_REF(function, "s", type, name##_to_string) |
c3350683 | 162 | |
718db961 | 163 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
164 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
165 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 | 166 | |
98a4c30b DH |
167 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); |
168 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
057171ef | 169 | |
c9d031c3 | 170 | int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
984794ba LP |
171 | |
172 | int bus_track_add_name_many(sd_bus_track *t, char **l); | |
d7afd945 | 173 | |
0ddf50ff YW |
174 | int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *description); |
175 | static inline int bus_open_system_watch_bind(sd_bus **ret) { | |
176 | return bus_open_system_watch_bind_with_description(ret, NULL); | |
177 | } | |
906cb2eb | 178 | |
19017acb | 179 | int bus_reply_pair_array(sd_bus_message *m, char **l); |
2a66c2a1 LP |
180 | |
181 | extern const struct hash_ops bus_message_hash_ops; |