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gossip: Implemented routing table sync with newly connected peers

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This commit is contained in:
Christian Decker
2016-12-16 22:07:57 +01:00
committed by Rusty Russell
parent 5ce1f7c2f3
commit 0ed23c46a9
4 changed files with 68 additions and 20 deletions
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24
daemon/routing.c
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@@ -2,6 +2,7 @@
#include "lightningd.h"
#include "log.h"
#include "overflows.h"
#include "packets.h"
#include "peer.h"
#include "pseudorand.h"
#include "routing.h"
@@ -67,6 +68,7 @@ struct node *new_node(struct lightningd_state *dstate,
n->port = 0;
n->alias = NULL;
n->hostname = NULL;
n->node_announcement = NULL;
node_map_add(dstate->nodes, n);
tal_add_destructor(n, destroy_node);
@@ -195,6 +197,8 @@ get_or_make_connection(struct lightningd_state *dstate,
nc->src = from;
nc->dst = to;
memset(&nc->channel_id, 0, sizeof(nc->channel_id));
nc->channel_announcement = NULL;
nc->channel_update = NULL;
log_add(dstate->base_log, " = %p (%p->%p)", nc, from, to);
/* Hook it into in/out arrays. */
@@ -551,6 +555,26 @@ static void json_add_route(struct command *cmd,
command_success(cmd, null_response(cmd));
}
void sync_routing_table(struct lightningd_state *dstate, struct peer *peer)
{
struct node *n;
struct node_map_iter it;
int i;
struct node_connection *nc;
for (n = node_map_first(dstate->nodes, &it); n; n = node_map_next(dstate->nodes, &it)) {
size_t num_edges = tal_count(n->out);
for (i = 0; i < num_edges; i++) {
nc = n->out[i];
if (nc->channel_announcement)
queue_pkt_nested(peer, WIRE_CHANNEL_ANNOUNCEMENT, nc->channel_announcement);
if (nc->channel_update)
queue_pkt_nested(peer, WIRE_CHANNEL_UPDATE, nc->channel_update);
}
if (n->node_announcement)
queue_pkt_nested(peer, WIRE_NODE_ANNOUNCEMENT, n->node_announcement);
}
}
const struct json_command dev_add_route_command = {
"dev-add-route",
json_add_route,