122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/* packet-ioraw.c
|
|
* Routines for ethercat packet disassembly
|
|
*
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2007 by Beckhoff Automation GmbH
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* 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 2
|
|
* 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
/* Include files */
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#include <epan/packet.h>
|
|
|
|
#include "packet-ioraw.h"
|
|
|
|
/* Define the ioraw proto */
|
|
int proto_ioraw = -1;
|
|
|
|
static int ett_ioraw = -1;
|
|
|
|
/* static int hf_ioraw_summary = -1; */
|
|
static int hf_ioraw_header = -1;
|
|
static int hf_ioraw_data = -1;
|
|
|
|
/*ioraw*/
|
|
static void IoRawSummaryFormater( char *szText, int nMax)
|
|
{
|
|
g_snprintf ( szText, nMax, "Raw IO Data" );
|
|
}
|
|
|
|
static void dissect_ioraw(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *ioraw_tree;
|
|
gint offset = 0;
|
|
char szText[200];
|
|
int nMax = sizeof(szText)-1;
|
|
|
|
guint ioraw_length = tvb_reported_length(tvb);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IO-RAW");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
|
|
IoRawSummaryFormater(szText, nMax);
|
|
col_append_str(pinfo->cinfo, COL_INFO, szText);
|
|
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_item(tree, proto_ioraw, tvb, 0, -1, ENC_NA);
|
|
ioraw_tree = proto_item_add_subtree(ti, ett_ioraw);
|
|
|
|
proto_item_append_text(ti,": %s",szText);
|
|
proto_tree_add_item(ioraw_tree, hf_ioraw_header, tvb, offset, IoRawParserHDR_Len, ENC_NA);
|
|
offset+=IoRawParserHDR_Len;
|
|
|
|
proto_tree_add_item(ioraw_tree, hf_ioraw_data, tvb, offset, ioraw_length - offset, ENC_NA);
|
|
}
|
|
}
|
|
|
|
void proto_register_ioraw(void)
|
|
{
|
|
static hf_register_info hf[] =
|
|
{
|
|
#if 0
|
|
{ &hf_ioraw_summary,
|
|
{ "Summary of the IoRaw Packet", "ioraw.summary",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
#endif
|
|
{ &hf_ioraw_header, { "Header", "ioraw.header",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_ioraw_data, { "VarData", "ioraw.data",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
static gint *ett[] =
|
|
{
|
|
&ett_ioraw
|
|
};
|
|
|
|
proto_ioraw = proto_register_protocol("TwinCAT IO-RAW",
|
|
"IO-RAW","ioraw");
|
|
proto_register_field_array(proto_ioraw,hf,array_length(hf));
|
|
proto_register_subtree_array(ett,array_length(ett));
|
|
}
|
|
|
|
void proto_reg_handoff_ioraw(void)
|
|
{
|
|
dissector_handle_t ioraw_handle;
|
|
|
|
ioraw_handle = create_dissector_handle(dissect_ioraw, proto_ioraw);
|
|
dissector_add_uint("ecatf.type", 3, ioraw_handle);
|
|
}
|