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https://github.com/servalproject/serval-dna.git
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21f51965c1
Make .o files in separate subdirectories for servald and library Factor struct __sourceloc and __WHENCE__ from "log.h" into "whence.h" Factor sid_t etc from "serval.h" into "serval_types.h" Factor rhizome_bid_t etc from "rhizome.h" into "rhizome_types.h" Do not include "serval.h" in library sources Add log_stderr.c and logMessage.c for stand-alone executables
191 lines
5.6 KiB
C
191 lines
5.6 KiB
C
/*
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Copyright (C) 2012 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SERVAL_DNA__CONSTANTS_H
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#define __SERVAL_DNA__CONSTANTS_H
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/* Useful macros not specific to Serval DNA
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*/
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// Number of elements in an array (Warning: does not work if A is a pointer!).
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#define NELS(A) (sizeof (A) / sizeof *(A))
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// To suppress the "unused parameter" warning from -Wunused-parameter.
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#ifdef __GNUC__
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# define UNUSED(x) x __attribute__((__unused__))
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#else
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# define UNUSED(x) x
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#endif
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// UDP Port numbers for various Serval services.
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#define PORT_DNA 4110
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#define OVERLAY_MAX_INTERFACES 16
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#define CRYPT_CIPHERED 1
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#define CRYPT_SIGNED 2
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#define CRYPT_PUBLIC 4
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#define OVERLAY_INTERFACE_UNKNOWN 0
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#define OVERLAY_INTERFACE_ETHERNET 1
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#define OVERLAY_INTERFACE_WIFI 2
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#define OVERLAY_INTERFACE_PACKETRADIO 3
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#define OQ_ISOCHRONOUS_VOICE 0
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#define OQ_MESH_MANAGEMENT 1
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#define OQ_ISOCHRONOUS_VIDEO 2
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#define OQ_ORDINARY 3
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#define OQ_OPPORTUNISTIC 4
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#define OQ_MAX 5
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#define OVERLAY_MAX_LOCAL_IDENTITIES 256
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/* All of these types should be considered deprecated. Processing code should migrate to well known MDP port numbers */
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/* Overlay mesh packet codes */
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#define OF_TYPE_SELFANNOUNCE_ACK 0x20
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#define OF_TYPE_DATA 0x30 /* Ordinary data frame.
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Upto MTU bytes of payload.
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32 bit channel/port indicator for each end.
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*/
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#define OF_TYPE_RHIZOME_ADVERT 0x50 /* Advertisment of file availability via Rhizome */
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#define OF_TYPE_PLEASEEXPLAIN 0x60 /* Request for resolution of an abbreviated address */
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#define PAYLOAD_FLAG_SENDER_SAME (1<<0)
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#define PAYLOAD_FLAG_TO_BROADCAST (1<<1)
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#define PAYLOAD_FLAG_ONE_HOP (1<<2)
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#define PAYLOAD_FLAG_CIPHERED (1<<4)
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#define PAYLOAD_FLAG_SIGNED (1<<5)
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#define PAYLOAD_FLAG_ACK_SOON (1<<6)
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/* Time-to-live is a 'uint5_t'.
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*/
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#define PAYLOAD_TTL_MAX (31)
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#define PAYLOAD_TTL_DEFAULT (31)
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// return codes for parsing mdp packet headers
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#define HEADER_PROCESS 1
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#define HEADER_FORWARD 2
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// this can be removed once all overlay messages have been turned into mdp payloads
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#define PAYLOAD_FLAG_LEGACY_TYPE (1<<7)
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/* Crypto/security options */
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#define OF_CRYPTO_NONE 0x00
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#define OF_CRYPTO_CIPHERED PAYLOAD_FLAG_CIPHERED /* Encrypted frame */
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#define OF_CRYPTO_SIGNED PAYLOAD_FLAG_SIGNED /* signed frame */
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/* Keep track of last 32 observations of a node.
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Hopefully this is enough, if not, we will increase.
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To keep the requirement down we will collate contigious neighbour observations on each interface.
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For node observations we can just replace old observations with new ones.
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*/
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#define OVERLAY_MAX_OBSERVATIONS 32
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/* bitmask values for monitor_tell_clients */
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#define MONITOR_VOMP (1<<0)
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#define MONITOR_RHIZOME (1<<1)
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#define MONITOR_PEERS (1<<2)
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#define MONITOR_DNAHELPER (1<<3)
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#define MONITOR_LINKS (1<<4)
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#define MAX_SIGNATURES 16
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#define MDP_PORT_KEYMAPREQUEST 1
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#define MDP_PORT_LINKSTATE 2
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#define MDP_PORT_STUNREQ 4
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#define MDP_PORT_STUN 5
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#define MDP_PORT_PROBE 6
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#define MDP_PORT_ECHO 7
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#define MDP_PORT_TRACE 8
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#define MDP_PORT_DNALOOKUP 10
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#define MDP_PORT_SERVICE_DISCOVERY 11
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#define MDP_PORT_VOMP 12
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#define MDP_PORT_RHIZOME_REQUEST 13
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#define MDP_PORT_RHIZOME_RESPONSE 14
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#define MDP_PORT_DIRECTORY 15
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#define MDP_PORT_RHIZOME_MANIFEST_REQUEST 16
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#define MDP_PORT_RHIZOME_SYNC 17
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#define MDP_PORT_NOREPLY 0x3f
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#define MDP_TYPE_MASK 0xff
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#define MDP_FLAG_MASK 0xff00
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#define MDP_FORCE 0x0100
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#define MDP_NOCRYPT 0x0200
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#define MDP_NOSIGN 0x0400
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#define MDP_MTU 1200
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#define MDP_TX 1
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#define MDP_BIND 3
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#define MDP_ERROR 4
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#define MDP_GETADDRS 5
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#define MDP_ADDRLIST 6
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#define MDP_ROUTING_TABLE 7
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#define MDP_GOODBYE 9
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#define MDP_SCAN 10
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// These are back-compatible with the old values of 'mode' when it was 'selfP'
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#define MDP_ADDRLIST_MODE_ROUTABLE_PEERS 0
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#define MDP_ADDRLIST_MODE_SELF 1
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#define MDP_ADDRLIST_MODE_ALL_PEERS 2
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/* 59*32 < (MDP_MTU-100), so up to 59 SIDs in a single reply.
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Multiple replies can be used to respond with more. */
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#define MDP_MAX_SID_REQUEST 59
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/* Maximum amount of audio to cram into a VoMP audio packet.
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More lets us include preemptive retransmissions.
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Less reduces the chance of packets getting lost, and reduces
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the bandwidth used. */
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#define VOMP_STUFF_BYTES 800
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#define MAX_AUDIO_BYTES 1024
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#define MDP_AWAITREPLY 9999
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// codec's with well defined parameters
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#define VOMP_CODEC_16SIGNED 0x01
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#define VOMP_CODEC_ULAW 0x02
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#define VOMP_CODEC_ALAW 0x03
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#define VOMP_CODEC_GSM 0x04
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#define VOMP_CODEC_CODEC2_1200 0x05
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#define VOMP_CODEC_CODEC2_3200 0x06
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#define VOMP_CODEC_OPUS 0x07
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// other out of band signals, probably shouldn't be codecs
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#define VOMP_CODEC_DTMF 0x20
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#define VOMP_CODEC_TEXT 0x21
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// Note, Don't add codec's we aren't using yet
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#define CODEC_FLAGS_LENGTH 32
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// force state packet interval
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#define VOMP_CALL_STATUS_INTERVAL 1000
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#define SOCK_FILE 0xFF
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#define SOCK_UNSPECIFIED 0
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#define ENCAP_OVERLAY 1
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#define ENCAP_SINGLE 2
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// numbers chosen to not conflict with KEYTYPE flags
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#define UNLOCK_REQUEST (0xF0)
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#define UNLOCK_CHALLENGE (0xF1)
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#define UNLOCK_RESPONSE (0xF2)
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#endif // __SERVAL_DNA__CONSTANTS_H
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