| | 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 | |
| | 24 | #include "kcompat.h" |
| | 25 | |
| | 26 | #define SOCK_DIR "/tmp/ust-app-socks" |
| | 27 | #define UST_SIGNAL SIGIO |
| | 28 | |
| | 29 | struct ustcomm_connection { |
| | 30 | struct list_head list; |
| | 31 | int fd; |
| | 32 | /* Data that has not yet been consumed: */ |
| | 33 | char *recv_buf; |
| | 34 | int recv_buf_size; |
| | 35 | int recv_buf_alloc; |
| | 36 | }; |
| | 37 | |
| | 38 | /* ustcomm_server must be shallow-copyable */ |
| | 39 | struct ustcomm_server { |
| | 40 | /* the "server" socket for serving the external requests */ |
| | 41 | int listen_fd; |
| | 42 | char *socketpath; |
| | 43 | |
| | 44 | struct list_head connections; |
| | 45 | }; |
| | 46 | |
| | 47 | struct ustcomm_ustd { |
| | 48 | struct ustcomm_server server; |
| | 49 | }; |
| | 50 | |
| | 51 | struct ustcomm_app { |
| | 52 | struct ustcomm_server server; |
| | 53 | }; |
| | 54 | |
| | 55 | /* ustcomm_source must be shallow-copyable */ |
| | 56 | struct ustcomm_source { |
| | 57 | int fd; |
| | 58 | void *priv; |
| | 59 | }; |
| | 60 | |
| | 61 | extern char *strdup_malloc(const char *s); |
| | 62 | |
| | 63 | //int send_message_pid(pid_t pid, const char *msg, char **reply); |
| | 64 | extern int ustcomm_request_consumer(pid_t pid, const char *channel); |
| | 65 | |
| | 66 | extern int ustcomm_ustd_recv_message(struct ustcomm_ustd *ustd, char **msg, struct ustcomm_source *src, int timeout); |
| | 67 | extern int ustcomm_app_recv_message(struct ustcomm_app *app, char **msg, struct ustcomm_source *src, int timeout); |
| | 68 | |
| | 69 | extern int ustcomm_init_app(pid_t pid, struct ustcomm_app *handle); |
| | 70 | extern void ustcomm_fini_app(struct ustcomm_app *handle, int keep_socket_file); |
| | 71 | extern void ustcomm_fini_ustd(struct ustcomm_ustd *handle); |
| | 72 | |
| | 73 | extern int ustcomm_init_ustd(struct ustcomm_ustd *handle, const char *sock_path); |
| | 74 | |
| | 75 | extern int ustcomm_connect_app(pid_t pid, struct ustcomm_connection *conn); |
| | 76 | extern int ustcomm_close_app(struct ustcomm_connection *conn); |
| | 77 | extern int ustcomm_connect_path(const char *path, struct ustcomm_connection *conn, pid_t signalpid); |
| | 78 | extern int ustcomm_send_request(struct ustcomm_connection *conn, const char *req, char **reply); |
| | 79 | extern int ustcomm_send_reply(struct ustcomm_server *server, char *msg, struct ustcomm_source *src); |
| | 80 | extern int ustcomm_disconnect(struct ustcomm_connection *conn); |
| | 81 | extern int ustcomm_close_all_connections(struct ustcomm_server *server); |
| | 82 | |
| | 83 | extern int nth_token_is(const char *str, const char *token, int tok_no); |
| | 84 | |
| | 85 | extern char *nth_token(const char *str, int tok_no); |
| | 86 | |
| | 87 | extern int pid_is_online(pid_t); |
| | 88 | |
| | 89 | #endif /* USTCOMM_H */ |
projects / ust.git / blame_incremental