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5591c0b5d8
Keeping the uintmap ordering all the broadcastable messages is expensive: 130MB for the million-channels project. But now we delete obsolete entries from the store, we can have the per-peer daemons simply read that sequentially and stream the gossip itself. This is the most primitive version, where all gossip is streamed; successive patches will bring back proper handling of timestamp filtering and initial_routing_sync. We add a gossip_state field to track what's happening with our gossip streaming: it's initialized in gossipd, and currently always set, but once we handle timestamps the per-peer daemon may do it when the first filter is sent. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
#ifndef LIGHTNING_COMMON_PER_PEER_STATE_H
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#define LIGHTNING_COMMON_PER_PEER_STATE_H
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#include "config.h"
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#include <ccan/tal/tal.h>
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#include <ccan/time/time.h>
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#include <common/crypto_state.h>
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struct gossip_state {
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/* Time for next gossip burst. */
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struct timemono next_gossip;
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};
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/* Things we hand between daemons to talk to peers. */
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struct per_peer_state {
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/* Cryptographic state needed to exchange messages with the peer (as
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* featured in BOLT #8) */
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struct crypto_state cs;
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/* NULL if it's not initialized yet */
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struct gossip_state *gs;
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#if DEVELOPER
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/* Normally 60000, but adjustable for dev mode */
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u32 dev_gossip_broadcast_msec;
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#endif /* DEVELOPER */
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/* If not -1, closed on freeing */
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int peer_fd, gossip_fd, gossip_store_fd;
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};
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/* Allocate a new per-peer state and add destructor to close fds if set;
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* sets fds to -1 and ->gs to NULL.. */
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struct per_peer_state *new_per_peer_state(const tal_t *ctx,
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const struct crypto_state *cs);
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/* Initialize the fds (must be -1 previous) */
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void per_peer_state_set_fds(struct per_peer_state *pps,
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int peer_fd, int gossip_fd, int gossip_store_fd);
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/* Array version of above: tal_count(fds) must be 3 */
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void per_peer_state_set_fds_arr(struct per_peer_state *pps, const int *fds);
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/* These routines do *part* of the work: you need to per_peer_state_fdpass_send
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* or receive the three fds afterwards! */
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void towire_per_peer_state(u8 **pptr, const struct per_peer_state *pps);
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void per_peer_state_fdpass_send(int fd, const struct per_peer_state *pps);
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struct per_peer_state *fromwire_per_peer_state(const tal_t *ctx,
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const u8 **cursor, size_t *max);
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void towire_gossip_state(u8 **pptr, const struct gossip_state *gs);
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void fromwire_gossip_state(const u8 **cursor, size_t *max,
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struct gossip_state *gs);
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/* How long until we have to check gossip store, if any? */
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bool time_to_next_gossip(const struct per_peer_state *pps,
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struct timerel *t);
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/* Reset pps->next_gossip now we've drained gossip_store */
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void per_peer_state_reset_gossip_timer(struct per_peer_state *pps);
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#endif /* LIGHTNING_COMMON_PER_PEER_STATE_H */
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