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882f9f258f
It's not necessary now we only access by index. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#include <ccan/mem/mem.h>
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#include <gossipd/broadcast.h>
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struct broadcast_state *new_broadcast_state(tal_t *ctx)
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{
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struct broadcast_state *bstate = tal(ctx, struct broadcast_state);
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uintmap_init(&bstate->broadcasts);
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/* Skip 0 because we initialize peers with 0 */
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bstate->next_index = 1;
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return bstate;
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}
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static struct queued_message *new_queued_message(tal_t *ctx,
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const u8 *tag,
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const u8 *payload)
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{
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struct queued_message *msg = tal(ctx, struct queued_message);
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msg->tag = tal_dup_arr(msg, u8, tag, tal_len(tag), 0);
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msg->payload = tal_dup_arr(msg, u8, payload, tal_len(payload), 0);
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return msg;
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}
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bool replace_broadcast(struct broadcast_state *bstate, u64 *index,
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const u8 *tag, const u8 *payload)
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{
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struct queued_message *msg;
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bool evicted = false;
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msg = uintmap_get(&bstate->broadcasts, *index);
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if (msg) {
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assert(memeq(msg->tag, tal_len(msg->tag), tag, tal_len(tag)));
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uintmap_del(&bstate->broadcasts, *index);
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tal_free(msg);
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evicted = true;
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}
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*index = bstate->next_index;
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/* Now add the message to the queue */
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msg = new_queued_message(bstate, tag, payload);
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uintmap_add(&bstate->broadcasts, *index, msg);
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bstate->next_index++;
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return evicted;
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}
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struct queued_message *next_broadcast_message(struct broadcast_state *bstate, u64 last_index)
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{
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return uintmap_after(&bstate->broadcasts, &last_index);
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}
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