133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/* packet-ioraw.c
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* Routines for ethercat packet disassembly
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*
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* Copyright (c) 2007 by Beckhoff Automation GmbH
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Include files */
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-ioraw.h"
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void proto_register_ioraw(void);
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void proto_reg_handoff_ioraw(void);
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/* Define the ioraw proto */
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int proto_ioraw = -1;
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static int ett_ioraw = -1;
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/* static int hf_ioraw_summary = -1; */
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static int hf_ioraw_header = -1;
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static int hf_ioraw_data = -1;
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/*ioraw*/
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static void IoRawSummaryFormater( char *szText, int nMax)
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{
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g_snprintf ( szText, nMax, "Raw IO Data" );
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}
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static int dissect_ioraw(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_item *ti;
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proto_tree *ioraw_tree;
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gint offset = 0;
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char szText[200];
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int nMax = sizeof(szText)-1;
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guint ioraw_length = tvb_reported_length(tvb);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "IO-RAW");
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IoRawSummaryFormater(szText, nMax);
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col_add_str(pinfo->cinfo, COL_INFO, szText);
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if (tree)
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{
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ti = proto_tree_add_item(tree, proto_ioraw, tvb, 0, -1, ENC_NA);
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ioraw_tree = proto_item_add_subtree(ti, ett_ioraw);
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proto_item_append_text(ti,": %s",szText);
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proto_tree_add_item(ioraw_tree, hf_ioraw_header, tvb, offset, IoRawParserHDR_Len, ENC_NA);
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offset+=IoRawParserHDR_Len;
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proto_tree_add_item(ioraw_tree, hf_ioraw_data, tvb, offset, ioraw_length - offset, ENC_NA);
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}
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return tvb_captured_length(tvb);
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}
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void proto_register_ioraw(void)
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{
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static hf_register_info hf[] =
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{
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#if 0
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{ &hf_ioraw_summary,
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{ "Summary of the IoRaw Packet", "ioraw.summary",
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FT_STRING, BASE_NONE, NULL, 0x0,
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NULL, HFILL }
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},
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#endif
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{ &hf_ioraw_header, { "Header", "ioraw.header",
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FT_NONE, BASE_NONE, NULL, 0x0,
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NULL, HFILL }
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},
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{ &hf_ioraw_data, { "VarData", "ioraw.data",
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FT_NONE, BASE_NONE, NULL, 0x0,
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NULL, HFILL }
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}
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};
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static gint *ett[] =
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{
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&ett_ioraw
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};
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proto_ioraw = proto_register_protocol("TwinCAT IO-RAW",
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"IO-RAW","ioraw");
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proto_register_field_array(proto_ioraw,hf,array_length(hf));
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proto_register_subtree_array(ett,array_length(ett));
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}
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void proto_reg_handoff_ioraw(void)
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{
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dissector_handle_t ioraw_handle;
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ioraw_handle = create_dissector_handle(dissect_ioraw, proto_ioraw);
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dissector_add_uint("ecatf.type", 3, ioraw_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 3
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=3 tabstop=8 expandtab:
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* :indentSize=3:tabSize=8:noTabs=true:
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*/
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