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/* 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);
}
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