/* * Helper functions for tests using sockets * * Copyright 2015-2018 Red Hat, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 or * (at your option) version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. * */ /* * @hostname: a DNS name or numeric IP address * * Check whether it is possible to bind & connect to ports * on the DNS name or IP address @hostname. If an IP address * is used, it must not be a wildcard address. * * Returns 0 on success, -1 on error with errno set */ int socket_can_bind_connect(const char *hostname); /* * @has_ipv4: set to true on return if IPv4 is available * @has_ipv6: set to true on return if IPv6 is available * * Check whether IPv4 and/or IPv6 are available for use. * On success, @has_ipv4 and @has_ipv6 will be set to * indicate whether the respective protocols are available. * * Returns 0 on success, -1 on fatal error */ int socket_check_protocol_support(bool *has_ipv4, bool *has_ipv6);