| | 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 | |
| | 18 | #ifndef USTCOMM_H |
| | 19 | #define USTCOMM_H |
| | 20 | |
| | 21 | #include <sys/types.h> |
| | 22 | #include <sys/un.h> |
| | 23 | #include <urcu/list.h> |
| | 24 | |
| | 25 | #include <ust/kcompat/kcompat.h> |
| | 26 | |
| | 27 | #define SOCK_DIR "/tmp/ust-app-socks" |
| | 28 | #define UST_SIGNAL SIGIO |
| | 29 | |
| | 30 | struct ustcomm_sock { |
| | 31 | struct list_head list; |
| | 32 | int fd; |
| | 33 | int epoll_fd; |
| | 34 | }; |
| | 35 | |
| | 36 | struct ustcomm_header { |
| | 37 | int type; |
| | 38 | long size; |
| | 39 | int command; |
| | 40 | int response; |
| | 41 | int fd_included; |
| | 42 | }; |
| | 43 | |
| | 44 | |
| | 45 | //int send_message_pid(pid_t pid, const char *msg, char **reply); |
| | 46 | |
| | 47 | /* Ensure directory existence, usefull for unix sockets */ |
| | 48 | extern int ensure_dir_exists(const char *dir); |
| | 49 | |
| | 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); |
| | 54 | |
| | 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); |
| | 60 | |
| | 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); |
| | 66 | |
| | 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); |
| | 72 | |
| | 73 | |
| | 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); |
| | 80 | extern int nth_token_is(const char *str, const char *token, int tok_no); |
| | 81 | |
| | 82 | extern char *nth_token(const char *str, int tok_no); |
| | 83 | |
| | 84 | #endif /* USTCOMM_H */ |
projects / ust.git / blame_incremental