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63 lines
2.2 KiB
63 lines
2.2 KiB
#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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/* Timestamp filtering for gossip. */
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u32 timestamp_min, timestamp_max;
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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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/* Cache of msgs we have received, to avoid re-xmitting from store */
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struct gossip_rcvd_filter *grf;
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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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