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/*
Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
Partly based on QuickTun Copyright (c) 2010, Ivo Smits <Ivo@UCIS.nl>.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _FASTD_PEER_H_
#define _FASTD_PEER_H_
#include "fastd.h"
const fastd_eth_addr* fastd_get_source_address(const fastd_context *ctx, fastd_buffer buffer);
const fastd_eth_addr* fastd_get_dest_address(const fastd_context *ctx, fastd_buffer buffer);
fastd_peer* fastd_peer_add(fastd_context *ctx, fastd_peer_config *conf);
fastd_peer* fastd_peer_add_temp(fastd_context *ctx, const fastd_peer_address *address);
fastd_peer* fastd_peer_merge(fastd_context *ctx, fastd_peer *perm_peer, fastd_peer *temp_peer);
void fastd_peer_delete(fastd_context *ctx, fastd_peer *peer);
static inline bool fastd_peer_config_is_floating(const fastd_peer_config *config) {
switch (config->address.sa.sa_family) {
case AF_UNSPEC:
return true;
case AF_INET:
return !config->address.in.sin_addr.s_addr;
case AF_INET6:
return IN6_IS_ADDR_UNSPECIFIED(&config->address.in6.sin6_addr);
default:
/* What is this? I don't even... */
return false;
}
}
static inline bool fastd_peer_is_floating(fastd_peer *peer) {
return (peer->config && fastd_peer_config_is_floating(peer->config));
}
static inline bool fastd_peer_is_temporary(fastd_peer *peer) {
return (peer->state == STATE_TEMP || peer->state == STATE_TEMP_ESTABLISHED);
}
static inline bool fastd_peer_is_established(fastd_peer *peer) {
return (peer->state == STATE_ESTABLISHED || peer->state == STATE_TEMP_ESTABLISHED);
}
static inline void fastd_peer_set_established(fastd_context *ctx, fastd_peer *peer) {
switch(peer->state) {
case STATE_WAIT:
peer->state = STATE_ESTABLISHED;
break;
case STATE_TEMP:
peer->state = STATE_TEMP_ESTABLISHED;
break;
default:
pr_warn(ctx, "tried to set an already established connection to established");
}
}
static inline bool fastd_eth_addr_is_unicast(const fastd_eth_addr *addr) {
return ((addr->data[0] & 1) == 0);
}
void fastd_peer_add_eth_addr(fastd_context *ctx, fastd_peer *peer, const fastd_eth_addr *addr);
fastd_peer* fastd_peer_find_by_eth_addr(fastd_context *ctx, const fastd_eth_addr *addr);
#endif /* _FASTD_PEER_H_ */
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