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bird/lib/io-loop.h

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Converting the former BFD loop to a universal IO loop and protocol loop. There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
2021-06-19 18:50:18 +00:00
/*
* BIRD -- I/O and event loop
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_IO_LOOP_H_
#define _BIRD_IO_LOOP_H_
#include "nest/bird.h"
#include "lib/lists.h"
#include "lib/locking.h"
#include "lib/resource.h"
#include "lib/event.h"
#include "lib/socket.h"
void sk_start(sock *s);
void sk_stop(sock *s);
void sk_reloop(sock *s, struct birdloop *loop);
Socket cork fixes
2022-02-01 08:45:50 +00:00
void sk_ping(sock *s);
Converting the former BFD loop to a universal IO loop and protocol loop. There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
2021-06-19 18:50:18 +00:00
extern struct birdloop main_birdloop;
For safer memory allocations, resources are bound to loops. Also all loops have their basic resource pool for allocations which are auto-freed when the loop is stopping.
2021-11-30 17:16:49 +00:00
/* Start a new birdloop owned by given pool and domain.
* The loop allocates its internal pool for local allocations
* which is freed when the loop itself is stopped. */
Converting the former BFD loop to a universal IO loop and protocol loop. There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
2021-06-19 18:50:18 +00:00
struct birdloop *birdloop_new(pool *p, uint order, const char *name);
For safer memory allocations, resources are bound to loops. Also all loops have their basic resource pool for allocations which are auto-freed when the loop is stopping.
2021-11-30 17:16:49 +00:00
/* Stop the loop. At the end, the @stopped callback is called with locked
* parent to finish cleanup. The loop then frees itself together with its pool. */
Converting the former BFD loop to a universal IO loop and protocol loop. There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
2021-06-19 18:50:18 +00:00
void birdloop_stop(struct birdloop *loop, void (*stopped)(void *data), void *data);
void birdloop_stop_self(struct birdloop *loop, void (*stopped)(void *data), void *data);
/* Get birdloop's event list */
event_list *birdloop_event_list(struct birdloop *loop);
/* Get birdloop's time heap */
struct timeloop *birdloop_time_loop(struct birdloop *loop);
For safer memory allocations, resources are bound to loops. Also all loops have their basic resource pool for allocations which are auto-freed when the loop is stopping.
2021-11-30 17:16:49 +00:00
/* Get birdloop's resource pool */
pool *birdloop_pool(struct birdloop *loop);
Converting the former BFD loop to a universal IO loop and protocol loop. There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
2021-06-19 18:50:18 +00:00
/* Enter and exit the birdloop */
void birdloop_enter(struct birdloop *loop);
void birdloop_leave(struct birdloop *loop);
_Bool birdloop_inside(struct birdloop *loop);
void birdloop_mask_wakeups(struct birdloop *loop);
void birdloop_unmask_wakeups(struct birdloop *loop);
void birdloop_link(struct birdloop *loop);
void birdloop_unlink(struct birdloop *loop);
void birdloop_ping(struct birdloop *loop);
void birdloop_init(void);
#endif /* _BIRD_IO_LOOP_H_ */
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