Function maybe_update_channelid

connectd/multiplex.c:923–940

We maintain channel_id matching for subds by snooping: we set it manually * for first packet (open_channel or open_channel2). */

/* We maintain channel_id matching for subds by snooping: we set it manually
 * for first packet (open_channel or open_channel2). */
static void maybe_update_channelid(struct subd *subd, const u8 *msg)
{
	switch (fromwire_peektype(msg)) {
	case WIRE_OPEN_CHANNEL:
		extract_channel_id(msg, &subd->channel_id);
		break;
	case WIRE_OPEN_CHANNEL2:
		subd->opener_revocation_basepoint
			= extract_revocation_basepoint(subd, msg);
		break;
	case WIRE_ACCEPT_CHANNEL2:
		update_v2_channelid(subd, msg);
		break;
	case WIRE_FUNDING_CREATED:
		update_v1_channelid(subd, msg);
		break;
	}
}

static struct io_plan *write_to_peer(struct io_conn *peer_conn,
				     struct peer *peer)