Function try_connect_one_addr

connectd/connectd.c:763–931

~ This is the routine which tries to connect. */

/*~ This is the routine which tries to connect. */
static void try_connect_one_addr(struct connecting *connect)
{
 	int fd, af;
	bool use_proxy = connect->daemon->always_use_proxy;
	const struct wireaddr_internal *addr = &connect->addrs[connect->addrnum];
	struct io_conn *conn;
	bool use_dns = connect->daemon->use_dns;
	struct addrinfo hints, *ais, *aii;
	struct wireaddr_internal addrhint;
	int gai_err;
	struct sockaddr_in *sa4;
	struct sockaddr_in6 *sa6;

	assert(!connect->conn);

	/* Out of addresses? */
	if (connect->addrnum == tal_count(connect->addrs)) {
		connect_failed(connect->daemon, &connect->id,
			       connect->addrhint, CONNECT_ALL_ADDRESSES_FAILED,
			       "All addresses failed: %s",
			       connect->errors);
		tal_free(connect);
		return;
	}

 	/* Might not even be able to create eg. IPv6 sockets */
 	af = -1;

	switch (addr->itype) {
	case ADDR_INTERNAL_SOCKNAME:
		af = AF_LOCAL;
		/* Local sockets don't use tor proxy */
		use_proxy = false;
		break;
	case ADDR_INTERNAL_ALLPROTO:
		status_failed(STATUS_FAIL_INTERNAL_ERROR,
			      "Can't connect ALLPROTO");
	case ADDR_INTERNAL_AUTOTOR:
		status_failed(STATUS_FAIL_INTERNAL_ERROR,
			      "Can't connect AUTOTOR");
	case ADDR_INTERNAL_STATICTOR:
		status_failed(STATUS_FAIL_INTERNAL_ERROR,
			      "Can't connect STATICTOR");
	case ADDR_INTERNAL_FORPROXY:
		use_proxy = true;
		break;
	case ADDR_INTERNAL_WIREADDR:
		switch (addr->u.wireaddr.type) {
		case ADDR_TYPE_TOR_V2_REMOVED:
			af = -1;
			break;
		case ADDR_TYPE_TOR_V3:
			use_proxy = true;
			break;
		case ADDR_TYPE_IPV4:
			af = AF_INET;
			break;
		case ADDR_TYPE_IPV6: