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https://github.com/aljazceru/lightning.git
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38d2899fbb
Encapsulating the peer state was a win for lightningd; not surprisingly, it's even more of a win for the other daemons, especially as we want to add a little gossip information. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
#include <assert.h>
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#include <ccan/fdpass/fdpass.h>
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#include <common/per_peer_state.h>
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#include <unistd.h>
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static void destroy_per_peer_state(struct per_peer_state *pps)
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{
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if (pps->peer_fd != -1)
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close(pps->peer_fd);
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if (pps->gossip_fd != -1)
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close(pps->gossip_fd);
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if (pps->gossip_store_fd != -1)
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close(pps->gossip_store_fd);
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}
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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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{
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struct per_peer_state *pps = tal(ctx, struct per_peer_state);
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pps->cs = *cs;
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pps->peer_fd = pps->gossip_fd = pps->gossip_store_fd = -1;
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tal_add_destructor(pps, destroy_per_peer_state);
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return pps;
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}
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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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{
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assert(pps->peer_fd == -1);
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assert(pps->gossip_fd == -1);
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assert(pps->gossip_store_fd == -1);
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pps->peer_fd = peer_fd;
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pps->gossip_fd = gossip_fd;
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pps->gossip_store_fd = gossip_store_fd;
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}
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void per_peer_state_set_fds_arr(struct per_peer_state *pps, const int *fds)
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{
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/* We expect 3 fds. */
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assert(tal_count(fds) == 3);
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per_peer_state_set_fds(pps, fds[0], fds[1], fds[2]);
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}
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void towire_per_peer_state(u8 **pptr, const struct per_peer_state *pps)
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{
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towire_crypto_state(pptr, &pps->cs);
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}
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void per_peer_state_fdpass_send(int fd, const struct per_peer_state *pps)
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{
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assert(pps->peer_fd != -1);
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assert(pps->gossip_fd != -1);
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assert(pps->gossip_store_fd != -1);
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fdpass_send(fd, pps->peer_fd);
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fdpass_send(fd, pps->gossip_fd);
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fdpass_send(fd, pps->gossip_store_fd);
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}
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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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{
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struct crypto_state cs;
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fromwire_crypto_state(cursor, max, &cs);
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return new_per_peer_state(ctx, &cs);
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}
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