X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libustcomm%2Fustcomm.h;h=250883839d6187ca7976bb97ffb30cd95b4480ea;hb=da000ba4a6841b1bd55344c75c595aabdd830cd7;hp=08d74803857feecee46be5b3befac1f799201463;hpb=3847c3bab100bfb6b01b5654c2429a5d0d162ff5;p=ust.git diff --git a/libustcomm/ustcomm.h b/libustcomm/ustcomm.h index 08d7480..2508838 100644 --- a/libustcomm/ustcomm.h +++ b/libustcomm/ustcomm.h @@ -1,27 +1,83 @@ +/* Copyright (C) 2009 Pierre-Marc Fournier + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + #ifndef USTCOMM_H #define USTCOMM_H #include +#include -struct ustcomm_app { - /* the "server" socket for serving the external requests */ +#include "kcompat.h" + +#define SOCK_DIR "/tmp/ust-app-socks" +#define UST_SIGNAL SIGIO + +struct ustcomm_connection { + struct list_head list; int fd; +}; + +/* ustcomm_server must be shallow-copyable */ +struct ustcomm_server { + /* the "server" socket for serving the external requests */ + int listen_fd; char *socketpath; + + struct list_head connections; }; struct ustcomm_ustd { - /* the "server" socket for serving the external requests */ + struct ustcomm_server server; +}; + +struct ustcomm_app { + struct ustcomm_server server; +}; + +/* ustcomm_source must be shallow-copyable */ +struct ustcomm_source { int fd; - char *socketpath; + void *priv; }; -int send_message(pid_t pid, const char *msg, char **reply); +extern char *strdup_malloc(const char *s); + +//int send_message_pid(pid_t pid, const char *msg, char **reply); +extern int ustcomm_request_consumer(pid_t pid, const char *channel); + +extern int ustcomm_ustd_recv_message(struct ustcomm_ustd *ustd, char **msg, struct ustcomm_source *src, int timeout); +extern int ustcomm_app_recv_message(struct ustcomm_app *app, char **msg, struct ustcomm_source *src, int timeout); + +extern int ustcomm_init_app(pid_t pid, struct ustcomm_app *handle); +extern void ustcomm_fini_app(struct ustcomm_app *handle); + +extern int ustcomm_init_ustd(struct ustcomm_ustd *handle, const char *sock_path); + +extern int ustcomm_connect_app(pid_t pid, struct ustcomm_connection *conn); +extern int ustcomm_connect_path(const char *path, struct ustcomm_connection *conn, pid_t signalpid); +extern int ustcomm_send_request(struct ustcomm_connection *conn, const char *req, char **reply); +extern int ustcomm_send_reply(struct ustcomm_server *server, char *msg, struct ustcomm_source *src); +extern int ustcomm_disconnect(struct ustcomm_connection *conn); +extern int ustcomm_close_all_connections(struct ustcomm_server *server); -int ustcomm_ustd_recv_message(struct ustcomm_ustd *ustd, char **msg); -int ustcomm_app_recv_message(struct ustcomm_app *app, char **msg); +extern int nth_token_is(const char *str, const char *token, int tok_no); -int ustcomm_init_app(pid_t pid, struct ustcomm_app *handle); +extern char *nth_token(const char *str, int tok_no); -int ustcomm_init_ustd(struct ustcomm_ustd *handle); +extern int pid_is_online(pid_t); #endif /* USTCOMM_H */