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https://gitlab.nic.cz/labs/bird.git
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836e857b30
Now sk_open() requires an explicit IO loop to open the socket in. Also specific functions for socket RX pause / resume are added to allow for BGP corking. And last but not least, socket reloop is now synchronous to resolve weird cases of the target loop stopping before actually picking up the relooped socket. Now the caller must ensure that both loops are locked while relooping, and this way all sockets always have their respective loop.
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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* BIRD -- I/O and event loop
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IO_LOOP_H_
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#define _BIRD_IO_LOOP_H_
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#include "nest/bird.h"
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#include "lib/lists.h"
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#include "lib/locking.h"
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#include "lib/resource.h"
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#include "lib/event.h"
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#include "lib/socket.h"
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extern struct birdloop main_birdloop;
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/* Start a new birdloop owned by given pool and domain */
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struct birdloop *birdloop_new(pool *p, uint order, const char *name);
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/* Stop the loop. At the end, the @stopped callback is called unlocked in tail
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* position to finish cleanup. Run birdloop_free() from that callback to free
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* the loop itself. */
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void birdloop_stop(struct birdloop *loop, void (*stopped)(void *data), void *data);
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void birdloop_stop_self(struct birdloop *loop, void (*stopped)(void *data), void *data);
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void birdloop_free(struct birdloop *loop);
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/* Get birdloop's event list */
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event_list *birdloop_event_list(struct birdloop *loop);
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/* Get birdloop's time heap */
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struct timeloop *birdloop_time_loop(struct birdloop *loop);
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/* Enter and exit the birdloop */
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void birdloop_enter(struct birdloop *loop);
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void birdloop_leave(struct birdloop *loop);
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_Bool birdloop_inside(struct birdloop *loop);
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void birdloop_mask_wakeups(struct birdloop *loop);
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void birdloop_unmask_wakeups(struct birdloop *loop);
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void birdloop_link(struct birdloop *loop);
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void birdloop_unlink(struct birdloop *loop);
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void birdloop_ping(struct birdloop *loop);
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struct birdloop_flag_handler {
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void (*hook)(struct birdloop_flag_handler *, u32 flags);
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void *data;
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};
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void birdloop_flag(struct birdloop *loop, u32 flag);
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void birdloop_flag_set_handler(struct birdloop *, struct birdloop_flag_handler *);
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/* Setup sockets */
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void birdloop_add_socket(struct birdloop *, struct birdsock *);
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void birdloop_remove_socket(struct birdloop *, struct birdsock *);
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void birdloop_init(void);
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/* Yield for a little while. Use only in special cases. */
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void birdloop_yield(void);
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#endif /* _BIRD_IO_LOOP_H_ */
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