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c39c72ee PMF |
1 | /* Copyright (C) 2009 Pierre-Marc Fournier |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
f9e5ce61 PMF |
18 | #ifndef USTCOMM_H |
19 | #define USTCOMM_H | |
20 | ||
21 | #include <sys/types.h> | |
b02e31e5 | 22 | #include <sys/un.h> |
22d9080d | 23 | #include <urcu/list.h> |
f9e5ce61 | 24 | |
17bb07b4 | 25 | #include <ust/kcompat/kcompat.h> |
aca1ad90 | 26 | |
397d8454 | 27 | #define SOCK_DIR "/tmp/ust-app-socks" |
ab33e65c PP |
28 | #define UST_SIGNAL SIGIO |
29 | ||
4723ca09 | 30 | struct ustcomm_sock { |
aca1ad90 PMF |
31 | struct list_head list; |
32 | int fd; | |
4723ca09 | 33 | int epoll_fd; |
aca1ad90 PMF |
34 | }; |
35 | ||
4723ca09 NC |
36 | struct ustcomm_header { |
37 | int type; | |
38 | long size; | |
39 | int command; | |
40 | int response; | |
41 | int fd_included; | |
811e4b93 | 42 | }; |
aca1ad90 | 43 | |
d0b5f2b9 | 44 | |
4723ca09 | 45 | //int send_message_pid(pid_t pid, const char *msg, char **reply); |
b02e31e5 | 46 | |
4723ca09 NC |
47 | /* Ensure directory existence, usefull for unix sockets */ |
48 | extern int ensure_dir_exists(const char *dir); | |
0e4b45ac | 49 | |
4723ca09 NC |
50 | /* Create and delete sockets */ |
51 | extern struct ustcomm_sock * ustcomm_init_sock(int fd, int epoll_fd, | |
52 | struct list_head *list); | |
53 | extern void ustcomm_del_sock(struct ustcomm_sock *sock, int keep_in_epoll); | |
d0b5f2b9 | 54 | |
4723ca09 NC |
55 | /* Create and delete named sockets */ |
56 | extern struct ustcomm_sock * ustcomm_init_named_socket(const char *name, | |
57 | int epoll_fd); | |
58 | extern void ustcomm_del_named_sock(struct ustcomm_sock *sock, | |
59 | int keep_socket_file); | |
3847c3ba | 60 | |
4723ca09 NC |
61 | /* Send and receive functions for file descriptors */ |
62 | extern int ustcomm_send_fd(int sock, const struct ustcomm_header *header, | |
63 | const char *data, int *fd); | |
64 | extern int ustcomm_recv_fd(int sock, struct ustcomm_header *header, | |
65 | char **data, int *fd); | |
d0b5f2b9 | 66 | |
4723ca09 NC |
67 | /* Normal send and receive functions */ |
68 | extern int ustcomm_send(int sock, const struct ustcomm_header *header, | |
69 | const char *data); | |
70 | extern int ustcomm_recv(int sock, struct ustcomm_header *header, | |
71 | char **data); | |
f9e5ce61 | 72 | |
3bb56863 | 73 | |
4723ca09 NC |
74 | extern int ustcomm_request_consumer(pid_t pid, const char *channel); |
75 | extern int ustcomm_connect_app(pid_t pid, int *app_fd); | |
76 | extern int ustcomm_connect_path(const char *path, int *connection_fd); | |
77 | extern int ustcomm_send_request(int sock, const char *req, char **reply); | |
78 | extern int ustcomm_send_reply(char *msg, int sock); | |
79 | extern int recv_message_conn(int sock, char **msg); | |
7e92827d | 80 | extern int nth_token_is(const char *str, const char *token, int tok_no); |
b02e31e5 | 81 | |
7e92827d | 82 | extern char *nth_token(const char *str, int tok_no); |
b02e31e5 | 83 | |
f9e5ce61 | 84 | #endif /* USTCOMM_H */ |