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n2n_wire.h
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/**
* (C) 2007-22 - ntop.org and contributors
*
* 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 3 of the License, or
* (at your option) any later version.
*
* 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 see <http://www.gnu.org/licenses/>
*
*/
#if !defined( N2N_WIRE_H_ )
#define N2N_WIRE_H_
#include <stdlib.h>
#ifndef _MSC_VER
/* Not included in Visual Studio 2008 */
#include <stdint.h>
#endif
#ifndef _WIN32
#include <netinet/in.h>
#include <sys/socket.h> /* AF_INET and AF_INET6 */
#endif /* #ifndef _WIN32 */
#include "sn_selection.h"
int encode_uint8 (uint8_t * base,
size_t * idx,
const uint8_t v);
int decode_uint8 (uint8_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_uint16 (uint8_t * base,
size_t * idx,
const uint16_t v);
int decode_uint16 (uint16_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_uint32 (uint8_t * base,
size_t * idx,
const uint32_t v);
int decode_uint32 (uint32_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_uint64 (uint8_t * base,
size_t * idx,
const uint64_t v);
int decode_uint64 (uint64_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_buf (uint8_t * base,
size_t * idx,
const void * p,
size_t s);
int decode_buf (uint8_t * out,
size_t bufsize,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_mac (uint8_t * base,
size_t * idx,
const n2n_mac_t m);
int decode_mac (n2n_mac_t out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_cookie (uint8_t * base,
size_t * idx,
const n2n_cookie_t c);
int decode_cookie (n2n_cookie_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_common (uint8_t * base,
size_t * idx,
const n2n_common_t * common);
int decode_common (n2n_common_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_sock (uint8_t * base,
size_t * idx,
const n2n_sock_t * sock);
int decode_sock (n2n_sock_t * sock,
const uint8_t * base,
size_t * rem,
size_t * idx);
// bugfix for https://github.com/ntop/n2n/issues/1029
// REVISIT: best to be removed with 4.0
int encode_sock_payload (uint8_t * base,
size_t * idx,
const n2n_sock_t * sock);
// bugfix for https://github.com/ntop/n2n/issues/1029
// REVISIT: best to be removed with 4.0
int decode_sock_payload (n2n_sock_t * sock,
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_REGISTER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_t * reg);
int decode_REGISTER (n2n_REGISTER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_REGISTER_SUPER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_SUPER_t * reg);
int decode_REGISTER_SUPER (n2n_REGISTER_SUPER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_UNREGISTER_SUPER (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_UNREGISTER_SUPER_t *unreg);
int decode_UNREGISTER_SUPER (n2n_UNREGISTER_SUPER_t *unreg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx);
int encode_REGISTER_ACK (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_ACK_t * reg);
int decode_REGISTER_ACK (n2n_REGISTER_ACK_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_REGISTER_SUPER_ACK (uint8_t * base,
size_t * idx,
const n2n_common_t * cmn,
const n2n_REGISTER_SUPER_ACK_t * reg,
uint8_t * tmpbuf);
int decode_REGISTER_SUPER_ACK (n2n_REGISTER_SUPER_ACK_t * reg,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx,
uint8_t * tmpbuf);
int encode_REGISTER_SUPER_NAK (uint8_t * base,
size_t * idx,
const n2n_common_t * cmn,
const n2n_REGISTER_SUPER_NAK_t * nak);
int decode_REGISTER_SUPER_NAK (n2n_REGISTER_SUPER_NAK_t * nak,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int fill_sockaddr (struct sockaddr * addr,
size_t addrlen,
const n2n_sock_t * sock);
int fill_n2nsock (n2n_sock_t* sock,
const struct sockaddr* sa);
int encode_PACKET (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_PACKET_t * pkt);
int decode_PACKET (n2n_PACKET_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_PEER_INFO (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_PEER_INFO_t * pkt);
int decode_PEER_INFO (n2n_PEER_INFO_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int encode_QUERY_PEER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_QUERY_PEER_t * pkt);
int decode_QUERY_PEER (n2n_QUERY_PEER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
#endif /* #if !defined( N2N_WIRE_H_ ) */