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/**
* (C) 2007-20 - 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/>
*
*/
/* N2N packet header indicators. */
#define MSG_TYPE_REGISTER 1
#define MSG_TYPE_DEREGISTER 2
#define MSG_TYPE_PACKET 3
#define MSG_TYPE_REGISTER_ACK 4
#define MSG_TYPE_REGISTER_SUPER 5
#define MSG_TYPE_REGISTER_SUPER_ACK 6
#define MSG_TYPE_REGISTER_SUPER_NAK 7
#define MSG_TYPE_FEDERATION 8
#define MSG_TYPE_PEER_INFO 9
#define MSG_TYPE_QUERY_PEER 10
#define MSG_TYPE_MAX_TYPE 10
#define SOCKET_TIMEOUT_INTERVAL_SECS 10
#define REGISTER_SUPER_INTERVAL_DFL 20 /* sec, usually UDP NAT entries in a firewall expire after 30 seconds */
#define IFACE_UPDATE_INTERVAL (30) /* sec. How long it usually takes to get an IP lease. */
#define TRANSOP_TICK_INTERVAL (10) /* sec */
#define ETH_FRAMESIZE 14
#define IP4_SRCOFFSET 12
#define IP4_DSTOFFSET 16
#define IP4_MIN_SIZE 20
#define UDP_SIZE 8
/* N2N compression indicators. */
/* Compression is disabled by default for outgoing packets if no cli
* option is given. All edges are built with decompression support so
* they are able to understand each other (this applies to lzo only). */
#define N2N_COMPRESSION_ID_NONE 0 /* default, see edge_init_conf_defaults(...) in edge_utils.c */
#define N2N_COMPRESSION_ID_LZO 1 /* set if '-z1' or '-z' cli option is present, see setOption(...) in edge.c */
#ifdef N2N_HAVE_ZSTD
#define N2N_COMPRESSION_ID_ZSTD 2 /* set if '-z2' cli option is present, available only if compiled with zstd lib */
#define ZSTD_COMPRESSION_LEVEL 7 /* 1 (faster) ... 22 (more compression) */
#endif
// with the next major packet structure update, make '0' = invalid, and '1' = no compression
// '2' = LZO, '3' = ZSTD, ... REVISIT then (also: change all occurences in source).
#define N2N_COMPRESSION_ID_BITLEN 3 /* number of bits used for encoding compression id in the uppermost
bits of transform_id; will be obsolete as soon as compression gets
its own field in the packet. REVISIT then. */
/* Header encryption indicators */
#define HEADER_ENCRYPTION_UNKNOWN 0
#define HEADER_ENCRYPTION_NONE 1
#define HEADER_ENCRYPTION_ENABLED 2
#define DEFAULT_MTU 1290
#define HASH_ADD_PEER(head,add) \
HASH_ADD(hh,head,mac_addr,sizeof(n2n_mac_t),add)
#define HASH_FIND_PEER(head,mac,out) \
HASH_FIND(hh,head,mac,sizeof(n2n_mac_t),out)
#define N2N_EDGE_SN_HOST_SIZE 48
#define N2N_EDGE_NUM_SUPERNODES 2
#define N2N_EDGE_SUP_ATTEMPTS 3 /* Number of failed attmpts before moving on to next supernode. */
#define N2N_PATHNAME_MAXLEN 256
#define N2N_EDGE_MGMT_PORT 5644
/* ************************************** */
#define SUPERNODE_IP "127.0.0.1"
#define SUPERNODE_PORT 1234
/* ************************************** */
#ifndef max
#define max(a, b) ((a < b) ? b : a)
#endif
#ifndef min
#define min(a, b) ((a > b) ? b : a)
#endif