forked from osmocom/wireshark
184 lines
3.5 KiB
C
184 lines
3.5 KiB
C
/* packet-rmt-norm.h
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* Reliable Multicast Transport (RMT)
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* NORM Protocol Instantiation function definitions
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* Copyright 2005, Stefano Pettini <spettini@users.sourceforge.net>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Extensive changes to decode more information Julian Onions
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PACKET_RMT_NORM__
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#define __PACKET_RMT_NORM__
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#include "packet-rmt-common.h"
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#include "packet-rmt-fec.h"
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#include "packet-rmt-lct.h"
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/* Type definitions */
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/* ================ */
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/* Logical NORM packet representation */
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struct _norm
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{
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guint8 version;
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guint8 type;
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guint8 hlen;
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guint16 sequence;
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guint32 source_id;
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struct _fec fec;
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};
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enum {
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NORM_INFO = 1,
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NORM_DATA = 2,
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NORM_CMD = 3,
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NORM_NACK = 4,
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NORM_ACK = 5,
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NORM_REPORT = 6,
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NORM_CMD_FLUSH = 1,
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NORM_CMD_EOT = 2,
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NORM_CMD_SQUELCH = 3,
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NORM_CMD_CC = 4,
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NORM_CMD_REPAIR_ADV = 5,
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NORM_CMD_ACK_REQ = 6,
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NORM_CMD_APPLICATION = 7,
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NORM_FLAG_REPAIR = 0x01,
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NORM_FLAG_EXPLICIT = 0x02,
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NORM_FLAG_INFO = 0x04,
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NORM_FLAG_UNRELIABLE = 0x08,
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NORM_FLAG_FILE = 0x10,
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NORM_FLAG_STREAM = 0x20,
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NORM_FLAG_MSG_START = 0x40,
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NORM_ACK_CC = 1,
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NORM_ACK_FLUSH = 2,
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NORM_NACK_ITEMS = 1,
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NORM_NACK_RANGES = 2,
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NORM_NACK_ERASURES = 3,
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NORM_NACK_SEGMENT = 0x01,
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NORM_NACK_BLOCK = 0x02,
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NORM_NACK_INFO = 0x04,
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NORM_NACK_OBJECT = 0x08,
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NORM_FLAG_CC_CLR = 0x01,
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NORM_FLAG_CC_PLR = 0x02,
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NORM_FLAG_CC_RTT = 0x04,
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NORM_FLAG_CC_START = 0x08,
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NORM_FLAG_CC_LEAVE = 0x10
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};
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/* Ethereal stuff */
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/* ============== */
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/* NORM header field definitions*/
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struct _norm_hf
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{
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int version;
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int type;
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int hlen;
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int sequence;
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int source_id;
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int instance_id;
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int grtt;
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int backoff;
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int gsize;
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int flags;
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int cmd_flavor;
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int reserved;
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int cc_sequence;
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int cc_sts;
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int cc_stus;
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int cc_node_id;
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int cc_flags;
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int cc_flags_clr;
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int cc_flags_plr;
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int cc_flags_rtt;
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int cc_flags_start;
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int cc_flags_leave;
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int cc_rtt;
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int cc_rate;
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int cc_transport_id;
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int ack_source;
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int ack_type;
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int ack_id;
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int ack_grtt_sec;
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int ack_grtt_usec;
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int nack_server;
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int nack_grtt_sec;
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int nack_grtt_usec;
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int nack_form;
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int nack_length;
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int nack_flags;
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int nack_flags_segment;
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int nack_flags_block;
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int nack_flags_info;
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int nack_flags_object;
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struct flaglist {
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int repair;
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int explicit;
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int info;
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int unreliable;
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int file;
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int stream;
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int msgstart;
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} flag;
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int object_transport_id;
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int extension;
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int payload_len;
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int payload_offset;
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struct _fec_hf fec;
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int payload;
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};
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/* NORM subtrees */
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struct _norm_ett
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{
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gint main;
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gint hdrext;
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gint flags;
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gint streampayload;
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gint congestioncontrol;
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gint nackdata;
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struct _fec_ett fec;
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};
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/* NORM preferences */
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struct _norm_prefs
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{
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struct _fec_prefs fec;
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};
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/* Function declarations */
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/* ===================== */
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#endif
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