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