mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/** Netlink related functions.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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/** @addtogroup kernel Kernel
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* @{
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*/
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#pragma once
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#include <sys/socket.h>
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#include <netlink/netlink.h>
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#include <netlink/route/route.h>
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#include <netlink/route/link.h>
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namespace villas {
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namespace kernel {
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namespace nl {
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/** Get index of outgoing interface for given destination address.
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*
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* @retval >=0 Interface index of outgoing interface.
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* @retval <0 Error. Something went wrong.
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*/
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int get_egress(struct nl_addr *addr);
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/** Lookup routing tables to get the interface on which packets for a certain destination
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* will leave the system.
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*
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* @param[in] sa The destination address for outgoing packets.
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* @param[out] link The egress interface.
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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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*/
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struct rtnl_link * get_egress_link(struct sockaddr *sa);
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/** Get or create global netlink socket. */
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struct nl_sock * init();
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/** Close and free global netlink socket. */
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void shutdown();
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} /* namespace nl */
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} /* namespace kernel */
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} /* namespace villas */
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/** @} */
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