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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 LP |
29 | #include "sd-bus-protocol.h" |
30 | ||
b29b8bc2 LP |
31 | #ifdef __cplusplus |
32 | extern "C" { | |
33 | #endif | |
34 | ||
9a17484d | 35 | /* TODO: |
b6b7d433 LP |
36 | * - rewrite message_read_ap() and message_append_ap() to be non-recursive. |
37 | * | |
a652755d LP |
38 | * - add page donation logic |
39 | * - api for appending/reading fixed arrays | |
40 | * - merge busctl into systemctl or so? | |
b29b8bc2 | 41 | * - default policy (allow uid == 0 and our own uid) |
9a17484d LP |
42 | */ |
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 | ||
52f3ba91 | 53 | typedef int (*sd_bus_message_handler_t)(sd_bus *bus, int ret, 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 | ||
125 | int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid); | |
126 | int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid); | |
127 | int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid); | |
128 | int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid); | |
2571ead1 | 129 | const char *sd_bus_message_get_label(sd_bus_message *m); |
de1c301e LP |
130 | |
131 | int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member); | |
132 | int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member); | |
133 | int sd_bus_message_is_method_error(sd_bus_message *m, const char *name); | |
134 | ||
135 | int sd_bus_message_set_no_reply(sd_bus_message *m, int b); | |
136 | int sd_bus_message_set_destination(sd_bus_message *m, const char *destination); | |
137 | ||
138 | int sd_bus_message_append(sd_bus_message *m, const char *types, ...); | |
139 | int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p); | |
140 | int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); | |
141 | int sd_bus_message_close_container(sd_bus_message *m); | |
142 | ||
de1c301e | 143 | int sd_bus_message_read(sd_bus_message *m, const char *types, ...); |
9a17484d LP |
144 | int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p); |
145 | int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents); | |
146 | int sd_bus_message_exit_container(sd_bus_message *m); | |
147 | int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents); | |
89ffcd2a | 148 | int sd_bus_message_rewind(sd_bus_message *m, int complete); |
de1c301e | 149 | |
917b5dc7 LP |
150 | /* Convenience calls */ |
151 | ||
152 | int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...); | |
153 | 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 |
154 | int sd_bus_reply_method_return(sd_bus *bus, sd_bus_message *call, const char *types, ...); |
155 | int sd_bus_reply_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e); | |
917b5dc7 | 156 | |
de1c301e LP |
157 | /* Bus management */ |
158 | ||
20902f3e | 159 | int sd_bus_get_unique_name(sd_bus *bus, const char **unique); |
de1c301e LP |
160 | int sd_bus_request_name(sd_bus *bus, const char *name, int flags); |
161 | int sd_bus_release_name(sd_bus *bus, const char *name); | |
162 | int sd_bus_list_names(sd_bus *bus, char ***l); | |
163 | int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner); | |
164 | int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid); | |
165 | int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid); | |
de1c301e | 166 | |
fbfa72b0 | 167 | /* Error structures */ |
de1c301e | 168 | |
c784c5ce LP |
169 | #define SD_BUS_ERROR_NULL ((sd_bus_error) {NULL, NULL, 0}) |
170 | #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0}) | |
de1c301e LP |
171 | |
172 | void sd_bus_error_free(sd_bus_error *e); | |
173 | int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...); | |
174 | void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); | |
175 | int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e); | |
176 | int sd_bus_error_is_set(const sd_bus_error *e); | |
177 | int sd_bus_error_has_name(const sd_bus_error *e, const char *name); | |
178 | ||
b29b8bc2 LP |
179 | #ifdef __cplusplus |
180 | } | |
181 | #endif | |
182 | ||
de1c301e | 183 | #endif |