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de1c301e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #ifndef foosdbushfoo | |
4 | #define foosdbushfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2013 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU Lesser General Public License as published by | |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | Lesser General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU Lesser General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
25 | #include <inttypes.h> | |
26 | #include <sys/types.h> | |
27 | ||
a7e3212d | 28 | #include <sd-id128.h> |
de1c301e | 29 | #include "sd-bus-protocol.h" |
453a0c29 | 30 | #include "sd-memfd.h" |
de1c301e | 31 | |
b29b8bc2 LP |
32 | #ifdef __cplusplus |
33 | extern "C" { | |
34 | #endif | |
35 | ||
e4d2bfdd ZJS |
36 | #ifndef _sd_printf_attr_ |
37 | # if __GNUC__ >= 4 | |
38 | # define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b))) | |
39 | # else | |
40 | # define _sd_printf_attr_(a,b) | |
41 | # endif | |
42 | #endif | |
43 | ||
de1c301e LP |
44 | typedef struct sd_bus sd_bus; |
45 | typedef struct sd_bus_message sd_bus_message; | |
46 | ||
47 | typedef struct { | |
48 | const char *name; | |
49 | const char *message; | |
50 | int need_free; | |
51 | } sd_bus_error; | |
52 | ||
eb01ba5d | 53 | typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata); |
de1c301e LP |
54 | |
55 | /* Connections */ | |
56 | ||
57 | int sd_bus_open_system(sd_bus **ret); | |
58 | int sd_bus_open_user(sd_bus **ret); | |
021a1e78 LP |
59 | |
60 | int sd_bus_new(sd_bus **ret); | |
61 | int sd_bus_set_address(sd_bus *bus, const char *address); | |
15d5af81 | 62 | int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd); |
2fd9ae2e | 63 | int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]); |
94bbf1ba | 64 | int sd_bus_set_bus_client(sd_bus *bus, int b); |
2181a7f5 LP |
65 | int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t server_id); |
66 | int sd_bus_set_anonymous(sd_bus *bus, int b); | |
98178d39 | 67 | int sd_bus_set_negotiate_fds(sd_bus *bus, int b); |
021a1e78 LP |
68 | int sd_bus_start(sd_bus *ret); |
69 | ||
de1c301e LP |
70 | void sd_bus_close(sd_bus *bus); |
71 | ||
72 | sd_bus *sd_bus_ref(sd_bus *bus); | |
73 | sd_bus *sd_bus_unref(sd_bus *bus); | |
74 | ||
e3017af9 | 75 | int sd_bus_is_open(sd_bus *bus); |
de1c301e | 76 | int sd_bus_can_send(sd_bus *bus, char type); |
98178d39 | 77 | int sd_bus_get_server_id(sd_bus *bus, sd_id128_t *peer); |
de1c301e LP |
78 | |
79 | int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *serial); | |
52f3ba91 | 80 | int sd_bus_send_with_reply(sd_bus *bus, sd_bus_message *m, sd_bus_message_handler_t callback, void *userdata, uint64_t usec, uint64_t *serial); |
de1c301e LP |
81 | int sd_bus_send_with_reply_cancel(sd_bus *bus, uint64_t serial); |
82 | int sd_bus_send_with_reply_and_block(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *error, sd_bus_message **r); | |
83 | ||
84 | int sd_bus_get_fd(sd_bus *bus); | |
85 | int sd_bus_get_events(sd_bus *bus); | |
e3017af9 | 86 | int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec); |
de1c301e LP |
87 | int sd_bus_process(sd_bus *bus, sd_bus_message **r); |
88 | int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec); | |
89 | int sd_bus_flush(sd_bus *bus); | |
90 | ||
52f3ba91 LP |
91 | int sd_bus_add_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata); |
92 | int sd_bus_remove_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata); | |
de1c301e | 93 | |
52f3ba91 LP |
94 | int sd_bus_add_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata); |
95 | int sd_bus_remove_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata); | |
a652755d | 96 | |
52f3ba91 LP |
97 | int sd_bus_add_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata); |
98 | int sd_bus_remove_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata); | |
a652755d | 99 | |
52f3ba91 LP |
100 | int sd_bus_add_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata); |
101 | int sd_bus_remove_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata); | |
392d5b37 | 102 | |
de1c301e LP |
103 | /* Message object */ |
104 | ||
105 | int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interface, const char *member, sd_bus_message **m); | |
106 | int sd_bus_message_new_method_call(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message **m); | |
107 | int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m); | |
108 | int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m); | |
109 | ||
110 | sd_bus_message* sd_bus_message_ref(sd_bus_message *m); | |
111 | sd_bus_message* sd_bus_message_unref(sd_bus_message *m); | |
112 | ||
113 | int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type); | |
114 | int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial); | |
115 | int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial); | |
116 | int sd_bus_message_get_no_reply(sd_bus_message *m); | |
117 | ||
118 | const char *sd_bus_message_get_path(sd_bus_message *m); | |
119 | const char *sd_bus_message_get_interface(sd_bus_message *m); | |
120 | const char *sd_bus_message_get_member(sd_bus_message *m); | |
121 | const char *sd_bus_message_get_destination(sd_bus_message *m); | |
122 | const char *sd_bus_message_get_sender(sd_bus_message *m); | |
123 | const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m); | |
124 | ||
69aec65c LP |
125 | int sd_bus_message_get_monotonic_timestamp(sd_bus_message *m, uint64_t *usec); |
126 | int sd_bus_message_get_realtime_timestamp(sd_bus_message *m, uint64_t *usec); | |
de1c301e LP |
127 | int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid); |
128 | int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid); | |
129 | int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid); | |
130 | int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid); | |
8323bc1f | 131 | int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec); |
4a875b61 LP |
132 | int sd_bus_message_get_selinux_context(sd_bus_message *m, const char **r); |
133 | int sd_bus_message_get_comm(sd_bus_message *m, const char **r); | |
134 | int sd_bus_message_get_tid_comm(sd_bus_message *m, const char **r); | |
135 | int sd_bus_message_get_exe(sd_bus_message *m, const char **r); | |
136 | int sd_bus_message_get_cgroup(sd_bus_message *m, const char **r); | |
77930f11 | 137 | int sd_bus_message_get_cmdline(sd_bus_message *m, char ***cmdline); |
d8d3d8a7 LP |
138 | int sd_bus_message_get_unit(sd_bus_message *m, const char **unit); |
139 | int sd_bus_message_get_user_unit(sd_bus_message *m, const char **unit); | |
140 | int sd_bus_message_get_session(sd_bus_message *m, const char **session); | |
bc7f3beb | 141 | int sd_bus_message_get_owner_uid(sd_bus_message *m, uid_t *uid); |
120f919e LP |
142 | int sd_bus_message_get_audit_sessionid(sd_bus_message *m, uint32_t *sessionid); |
143 | int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *loginuid); | |
102ea8e4 | 144 | int sd_bus_message_has_effective_cap(sd_bus_message *m, int capability); |
de1c301e LP |
145 | |
146 | int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member); | |
147 | int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member); | |
148 | int sd_bus_message_is_method_error(sd_bus_message *m, const char *name); | |
149 | ||
150 | int sd_bus_message_set_no_reply(sd_bus_message *m, int b); | |
151 | int sd_bus_message_set_destination(sd_bus_message *m, const char *destination); | |
152 | ||
153 | int sd_bus_message_append(sd_bus_message *m, const char *types, ...); | |
154 | int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p); | |
f8e013f8 LP |
155 | int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size); |
156 | int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr); | |
453a0c29 | 157 | int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, sd_memfd *memfd); |
f8e013f8 | 158 | int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s); |
453a0c29 | 159 | int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd* memfd); |
de1c301e LP |
160 | int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); |
161 | int sd_bus_message_close_container(sd_bus_message *m); | |
162 | ||
de1c301e | 163 | int sd_bus_message_read(sd_bus_message *m, const char *types, ...); |
9a17484d | 164 | int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p); |
f8e013f8 | 165 | int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size); |
9a17484d LP |
166 | int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents); |
167 | int sd_bus_message_exit_container(sd_bus_message *m); | |
168 | int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents); | |
89ffcd2a | 169 | int sd_bus_message_rewind(sd_bus_message *m, int complete); |
de1c301e | 170 | |
917b5dc7 LP |
171 | /* Convenience calls */ |
172 | ||
173 | int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...); | |
174 | int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *types, ...); | |
f10dda3b LP |
175 | int sd_bus_reply_method_return(sd_bus *bus, sd_bus_message *call, const char *types, ...); |
176 | int sd_bus_reply_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e); | |
917b5dc7 | 177 | |
de1c301e LP |
178 | /* Bus management */ |
179 | ||
20902f3e | 180 | int sd_bus_get_unique_name(sd_bus *bus, const char **unique); |
de1c301e LP |
181 | int sd_bus_request_name(sd_bus *bus, const char *name, int flags); |
182 | int sd_bus_release_name(sd_bus *bus, const char *name); | |
183 | int sd_bus_list_names(sd_bus *bus, char ***l); | |
184 | int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner); | |
185 | int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid); | |
186 | int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid); | |
70666185 | 187 | int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine); |
de1c301e | 188 | |
fbfa72b0 | 189 | /* Error structures */ |
de1c301e | 190 | |
c784c5ce LP |
191 | #define SD_BUS_ERROR_NULL ((sd_bus_error) {NULL, NULL, 0}) |
192 | #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0}) | |
de1c301e LP |
193 | |
194 | void sd_bus_error_free(sd_bus_error *e); | |
e4d2bfdd | 195 | int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_attr_(3, 0); |
de1c301e LP |
196 | void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); |
197 | int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e); | |
198 | int sd_bus_error_is_set(const sd_bus_error *e); | |
199 | int sd_bus_error_has_name(const sd_bus_error *e, const char *name); | |
200 | ||
b29b8bc2 LP |
201 | #ifdef __cplusplus |
202 | } | |
203 | #endif | |
204 | ||
de1c301e | 205 | #endif |