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37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
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#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 <common/crypto_state.h>
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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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/* 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. */
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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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#endif /* LIGHTNING_COMMON_PER_PEER_STATE_H */
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