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gossip_store: avoid gratuitous copy on load. 

Doesn't make measurable difference, but an obvious optimization.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-04-10 17:01:18 +09:30 committed by neil saitug
parent 617c23e735
commit 62918fcb3b
2 changed files with 17 additions and 3 deletions
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8
gossipd/gossip_store.c
View File

@ -327,7 +327,7 @@ void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
&gossip_msg,
&satoshis)) {
if (!routing_add_channel_announcement(rstate,
gossip_msg,
take(gossip_msg),
satoshis)) {
bad = "Bad channel_announcement";
goto truncate;
@ -335,14 +335,16 @@ void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
stats[0]++;
} else if (fromwire_gossip_store_channel_update(msg, msg,
&gossip_msg)) {
if (!routing_add_channel_update(rstate, gossip_msg)) {
if (!routing_add_channel_update(rstate,
take(gossip_msg))) {
bad = "Bad channel_update";
goto truncate;
}
stats[1]++;
} else if (fromwire_gossip_store_node_announcement(msg, msg,
&gossip_msg)) {
if (!routing_add_node_announcement(rstate, gossip_msg)) {
if (!routing_add_node_announcement(rstate,
take(gossip_msg))) {
bad = "Bad node_announcement";
goto truncate;
}

12
gossipd/routing.c
View File

@ -889,6 +889,10 @@ bool routing_add_channel_announcement(struct routing_state *rstate,
struct pubkey bitcoin_key_1;
struct pubkey bitcoin_key_2;
/* Make sure we own msg, even if we don't save it. */
if (taken(msg))
tal_steal(tmpctx, msg);
if (!fromwire_channel_announcement(
tmpctx, msg, &node_signature_1, &node_signature_2,
&bitcoin_signature_1, &bitcoin_signature_2, &features, &chain_hash,
@ -1228,6 +1232,10 @@ bool routing_add_channel_update(struct routing_state *rstate,
struct chan *chan;
u8 direction;
/* Make sure we own msg, even if we don't save it. */
if (taken(update))
tal_steal(tmpctx, update);
if (!fromwire_channel_update(update, &signature, &chain_hash,
&short_channel_id, &timestamp,
&message_flags, &channel_flags,
@ -1499,6 +1507,10 @@ bool routing_add_node_announcement(struct routing_state *rstate, const u8 *msg T
u8 *features, *addresses;
struct wireaddr *wireaddrs;
/* Make sure we own msg, even if we don't save it. */
if (taken(msg))
tal_steal(tmpctx, msg);
/* Note: validity of node_id is already checked. */
if (!fromwire_node_announcement(tmpctx, msg,
&signature, &features, &timestamp,