X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fevent.h;h=31c326be141f37177d636b1dbfd7e65af7f8f3c4;hp=ad31e15b47ec9d23cf45dcfb0d16d0bdca42d1fe;hb=963c5055505f2fc117cd5efa06eaa02c9b2bf85d;hpb=1401faf608e1c8af0d0754e545b0ec79d2bd5d93 diff --git a/src/event.h b/src/event.h index ad31e15b..31c326be 100644 --- a/src/event.h +++ b/src/event.h @@ -1,7 +1,9 @@ +#ifndef MESHLINK_EVENT_H +#define MESHLINK_EVENT_H + /* - event.h -- header for event.c - Copyright (C) 2002 Guus Sliepen , - 2002 Ivo Timmermans + event.h -- I/O, timeout and signal event handling + Copyright (C) 2014, 2017 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,36 +15,88 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: event.h,v 1.1.4.5 2003/07/06 23:16:28 guus Exp $ + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#ifndef __TINC_EVENT_H__ -#define __TINC_EVENT_H__ +#include "splay_tree.h" +#include "system.h" +#include -#include -#include +#define IO_READ 1 +#define IO_WRITE 2 -extern avl_tree_t *event_tree; +typedef struct event_loop_t event_loop_t; -typedef void (*event_handler_t)(void *); +typedef void (*io_cb_t)(event_loop_t *loop, void *data, int flags); +typedef void (*timeout_cb_t)(event_loop_t *loop, void *data); +typedef void (*signal_cb_t)(event_loop_t *loop, void *data); +typedef struct timespec(*idle_cb_t)(event_loop_t *loop, void *data); -typedef struct { - time_t time; - int id; - event_handler_t handler; +typedef struct io_t { + struct splay_node_t node; + int fd; + int flags; + io_cb_t cb; void *data; -} event_t; +} io_t; + +typedef struct timeout_t { + struct splay_node_t node; + struct timespec tv; + timeout_cb_t cb; + void *data; +} timeout_t; + +typedef struct signal_t { + struct splay_node_t node; + int signum; + bool set; + signal_cb_t cb; + void *data; +} signal_t; + +struct event_loop_t { + void *data; + + volatile bool running; + bool deletion; + + struct timespec now; + + splay_tree_t timeouts; + idle_cb_t idle_cb; + void *idle_data; + splay_tree_t ios; + splay_tree_t signals; + + fd_set readfds; + fd_set writefds; + + io_t signalio; + int pipefd[2]; +}; + +extern void io_add(event_loop_t *loop, io_t *io, io_cb_t cb, void *data, int fd, int flags); +extern void io_del(event_loop_t *loop, io_t *io); +extern void io_set(event_loop_t *loop, io_t *io, int flags); + +extern void timeout_add(event_loop_t *loop, timeout_t *timeout, timeout_cb_t cb, void *data, struct timespec *tv); +extern void timeout_del(event_loop_t *loop, timeout_t *timeout); +extern void timeout_set(event_loop_t *loop, timeout_t *timeout, struct timespec *tv); + +extern void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, uint8_t signum); +extern void signal_trigger(event_loop_t *loop, signal_t *sig); +extern void signal_del(event_loop_t *loop, signal_t *sig); + +extern void idle_set(event_loop_t *loop, idle_cb_t cb, void *data); -extern void init_events(void); -extern void exit_events(void); -extern event_t *new_event(void) __attribute__ ((malloc)); -extern void free_event(event_t *); -extern void event_add(event_t *); -extern void event_del(event_t *); -extern event_t *get_expired_event(void); +extern void event_loop_init(event_loop_t *loop); +extern void event_loop_exit(event_loop_t *loop); +extern bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) __attribute__((__warn_unused_result__)); +extern void event_loop_flush_output(event_loop_t *loop); +extern void event_loop_start(event_loop_t *loop); +extern void event_loop_stop(event_loop_t *loop); -#endif /* __TINC_EVENT_H__ */ +#endif