SEKINE Hideki: Routines for AX/4000 Test Block dissection
Added HFILL macros to avoid warnings. svn path=/trunk/; revision=11604
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AUTHORS
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@ -2180,6 +2180,11 @@ Chris Maynard <Christopher.Maynard [AT] GTECH.COM> {
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Add Doxygen comments to the CRC-16 and CRC-32 headers
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}
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SEKINE Hideki <sekineh [AT] gf7.so-net.ne.jp> {
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Routines for AX/4000 Test Block dissection
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}
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And assorted fixes and enhancements by the people listed above and by:
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@ -76,6 +76,7 @@ DISSECTOR_SRC = \
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packet-atalk.c \
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packet-atm.c \
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packet-auto_rp.c \
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packet-ax4000.c \
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packet-bacapp.c \
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packet-bacnet.c \
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packet-beep.c \
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@ -0,0 +1,181 @@
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/* packet-ax4000.c
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* Routines for AX/4000 Test Block dissection
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* Copyright 2004, SEKINE Hideki <sekineh@gf7.so-net.ne.jp>
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*
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* $Id: README.developer 11418 2004-07-18 22:36:55Z jmayer $
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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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* 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <epan/packet.h>
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/* Initialize the protocol and registered fields */
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static int proto_ax4000 = -1;
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static int hf_ax4000_port = -1;
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static int hf_ax4000_chassis = -1;
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static int hf_ax4000_fill = -1;
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static int hf_ax4000_index = -1;
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static int hf_ax4000_timestamp = -1;
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static int hf_ax4000_seq = -1;
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static int hf_ax4000_crc = -1;
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/* Initialize the subtree pointers */
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static gint ett_ax4000 = -1;
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/* Code to actually dissect the packets */
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static void
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dissect_ax4000(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ti;
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proto_tree *ax4000_tree;
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guint8 ax_port;
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guint8 ax_chassis;
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guint16 ax_index;
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guint32 ax_seq;
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guint32 ax_timestamp;
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/* Make entries in Protocol column and Info column on summary display */
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "AX4000");
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ax_port = tvb_get_guint8(tvb, 0);
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ax_chassis = tvb_get_guint8(tvb, 1);
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ax_index = tvb_get_ntohs(tvb, 2) & 0x0FFF;
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ax_timestamp = tvb_get_letohl(tvb, 6);
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ax_seq = tvb_get_letohl(tvb, 10);
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_set_str(pinfo->cinfo, COL_INFO, "");
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col_append_fstr(pinfo->cinfo, COL_INFO,
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"Chss:%u Prt:%u Idx:%u Seq:0x%08x TS:%.6f[msec]",
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ax_chassis, ax_port, ax_index, ax_seq, ax_timestamp*1e-5);
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}
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if (tree) {
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/* create display subtree for the protocol */
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ti = proto_tree_add_item(tree, proto_ax4000, tvb, 0, -1, FALSE);
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ax4000_tree = proto_item_add_subtree(ti, ett_ax4000);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_port, tvb, 0, 1, ax_port);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_chassis, tvb, 1, 1, ax_chassis);
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proto_tree_add_item(ax4000_tree,
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hf_ax4000_fill, tvb, 2, 1, FALSE);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_index, tvb, 2, 2, ax_index);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_timestamp, tvb, 6, 4, ax_timestamp);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_seq, tvb, 10, 4, ax_seq);
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proto_tree_add_uint(ax4000_tree,
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hf_ax4000_crc, tvb, 14, 2, tvb_get_letohs(tvb, 14));
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}
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/* If this protocol has a sub-dissector call it here, see section 1.8 */
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}
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/* Register the protocol with Ethereal */
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/* this format is require because a script is used to build the C function
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that calls all the protocol registration.
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*/
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void
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proto_register_ax4000(void)
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{
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static hf_register_info hf[] = {
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{ &hf_ax4000_port,
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{ "Port Number", "ax4000.port",
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FT_UINT8, BASE_DEC, NULL, 0x0,
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"", HFILL }
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},
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{ &hf_ax4000_chassis,
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{ "Chassis Number", "ax4000.chassis",
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FT_UINT8, BASE_DEC, NULL, 0x0,
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"", HFILL }
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},
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{ &hf_ax4000_fill,
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{ "Fill Type", "ax4000.fill",
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FT_UINT8, BASE_DEC, NULL, 0xc0,
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"", HFILL }
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},
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{ &hf_ax4000_index,
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{ "Index", "ax4000.index",
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FT_UINT16, BASE_DEC, NULL, 0x0FFF,
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"", HFILL }
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},
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{ &hf_ax4000_timestamp,
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{ "Timestamp", "ax4000.timestamp",
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FT_UINT32, BASE_HEX, NULL, 0x0,
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"", HFILL }
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},
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{ &hf_ax4000_seq,
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{ "Sequence Number", "ax4000.seq",
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FT_UINT32, BASE_HEX, NULL, 0x0,
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"", HFILL }
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},
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{ &hf_ax4000_crc,
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{ "CRC (unchecked)", "ax4000.crc",
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FT_UINT16, BASE_HEX, NULL, 0x0,
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"", HFILL }
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}
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_ax4000
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};
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/* Register the protocol name and description */
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proto_ax4000 = proto_register_protocol("AX/4000 Test Block",
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"AX4000", "ax4000");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_ax4000, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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#define AX4000_IP_PROTO 0xAD /* not assigned by IANA*/
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#define AX4000_TCP_PORT 3357 /* assigned by IANA */
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#define AX4000_UDP_PORT 3357 /* assigned by IANA */
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void
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proto_reg_handoff_ax4000(void)
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{
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dissector_handle_t ax4000_handle;
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ax4000_handle = create_dissector_handle(dissect_ax4000,
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proto_ax4000);
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dissector_add("ip.proto", AX4000_IP_PROTO, ax4000_handle);
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dissector_add("tcp.port", AX4000_TCP_PORT, ax4000_handle);
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dissector_add("udp.port", AX4000_UDP_PORT, ax4000_handle);
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}
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