2006-06-09 21:41:02 +00:00
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/* packet-fractalgeneratorprotocol.c
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* Routines for the Fractal Generator Protocol, a test application of the
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* rsplib RSerPool implementation
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* http://tdrwww.exp-math.uni-essen.de/dreibholz/rserpool/
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*
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* Copyright 2006 by Thomas Dreibholz <dreibh [AT] exp-math.uni-essen.de>
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*
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2006-06-09 21:45:06 +00:00
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* $Id$
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2006-06-09 21:41:02 +00:00
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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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* Copied from README.developer
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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 <epan/packet.h>
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2011-02-10 12:54:20 +00:00
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#include <epan/sctpppids.h>
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2006-06-09 21:41:02 +00:00
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2011-02-10 12:54:20 +00:00
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#define FRACTALGENERATORPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097601
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2006-06-09 21:41:02 +00:00
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/* Initialize the protocol and registered fields */
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static int proto_fractalgeneratorprotocol = -1;
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static int hf_message_type = -1;
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static int hf_message_flags = -1;
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static int hf_message_length = -1;
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static int hf_data_start_x = -1;
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static int hf_data_start_y = -1;
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static int hf_data_points = -1;
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static int hf_parameter_width = -1;
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static int hf_parameter_height = -1;
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static int hf_parameter_maxiterations = -1;
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static int hf_parameter_algorithmid = -1;
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static int hf_parameter_c1real = -1;
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static int hf_parameter_c1imag = -1;
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static int hf_parameter_c2real = -1;
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static int hf_parameter_c2imag = -1;
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static int hf_parameter_n = -1;
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static int hf_buffer = -1;
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/* Initialize the subtree pointers */
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static gint ett_fractalgeneratorprotocol = -1;
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static void
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dissect_fractalgeneratorprotocol_message(tvbuff_t *, packet_info *, proto_tree *);
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/* Dissectors for messages. This is specific to FractalGeneratorProtocol */
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#define MESSAGE_TYPE_LENGTH 1
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#define MESSAGE_FLAGS_LENGTH 1
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#define MESSAGE_LENGTH_LENGTH 2
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#define MESSAGE_TYPE_OFFSET 0
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#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
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#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_OFFSET)
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#define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
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#define DATA_STARTX_LENGTH 4
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#define DATA_STARTY_LENGTH 4
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#define DATA_POINTS_LENGTH 4
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#define DATA_BUFFER_LENGTH 4
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#define DATA_STARTX_OFFSET MESSAGE_VALUE_OFFSET
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#define DATA_STARTY_OFFSET (DATA_STARTX_OFFSET + DATA_STARTX_LENGTH)
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#define DATA_POINTS_OFFSET (DATA_STARTY_OFFSET + DATA_STARTY_LENGTH)
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#define DATA_BUFFER_OFFSET (DATA_POINTS_OFFSET + DATA_POINTS_LENGTH)
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#define PARAMETER_WIDTH_LENGTH 4
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#define PARAMETER_HEIGHT_LENGTH 4
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#define PARAMETER_MAXITERATIONS_LENGTH 4
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#define PARAMETER_ALGORITHMID_LENGTH 4
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#define PARAMETER_C1REAL_LENGTH 8
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#define PARAMETER_C1IMAG_LENGTH 8
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#define PARAMETER_C2REAL_LENGTH 8
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#define PARAMETER_C2IMAG_LENGTH 8
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#define PARAMETER_N_LENGTH 8
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#define PARAMETER_WIDTH_OFFSET MESSAGE_VALUE_OFFSET
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#define PARAMETER_HEIGHT_OFFSET (PARAMETER_WIDTH_OFFSET + PARAMETER_WIDTH_LENGTH)
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#define PARAMETER_MAXITERATIONS_OFFSET (PARAMETER_HEIGHT_OFFSET + PARAMETER_HEIGHT_LENGTH)
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#define PARAMETER_ALGORITHMID_OFFSET (PARAMETER_MAXITERATIONS_OFFSET + PARAMETER_MAXITERATIONS_LENGTH)
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#define PARAMETER_C1REAL_OFFSET (PARAMETER_ALGORITHMID_OFFSET + PARAMETER_ALGORITHMID_LENGTH)
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#define PARAMETER_C1IMAG_OFFSET (PARAMETER_C1REAL_OFFSET + PARAMETER_C1REAL_LENGTH)
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#define PARAMETER_C2REAL_OFFSET (PARAMETER_C1IMAG_OFFSET + PARAMETER_C1IMAG_LENGTH)
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#define PARAMETER_C2IMAG_OFFSET (PARAMETER_C2REAL_OFFSET + PARAMETER_C2REAL_LENGTH)
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#define PARAMETER_N_OFFSET (PARAMETER_C2IMAG_OFFSET + PARAMETER_C2IMAG_LENGTH)
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#define FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE 0x01
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#define FRACTALGENERATOR_DATA_MESSAGE_TYPE 0x02
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static const value_string message_type_values[] = {
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{ FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE, "FractalGenerator Parameter" },
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{ FRACTALGENERATOR_DATA_MESSAGE_TYPE, "FractalGenerator Data" },
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{ 0, NULL }
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};
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static void
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dissect_fractalgeneratorprotocol_parameter_message(tvbuff_t *message_tvb, proto_tree *message_tree)
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{
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proto_tree_add_item(message_tree, hf_parameter_width, message_tvb, PARAMETER_WIDTH_OFFSET, PARAMETER_WIDTH_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_height, message_tvb, PARAMETER_HEIGHT_OFFSET, PARAMETER_HEIGHT_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_maxiterations, message_tvb, PARAMETER_MAXITERATIONS_OFFSET, PARAMETER_MAXITERATIONS_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_algorithmid, message_tvb, PARAMETER_ALGORITHMID_OFFSET, PARAMETER_ALGORITHMID_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_c1real, message_tvb, PARAMETER_C1REAL_OFFSET, PARAMETER_C1REAL_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_c1imag, message_tvb, PARAMETER_C1IMAG_OFFSET, PARAMETER_C1IMAG_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_c2real, message_tvb, PARAMETER_C2REAL_OFFSET, PARAMETER_C2REAL_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_c2imag, message_tvb, PARAMETER_C2IMAG_OFFSET, PARAMETER_C2IMAG_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_parameter_n, message_tvb, PARAMETER_N_OFFSET, PARAMETER_N_LENGTH, FALSE);
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}
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static void
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dissect_fractalgeneratorprotocol_data_message(tvbuff_t *message_tvb, proto_tree *message_tree)
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{
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guint16 buffer_length;
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proto_tree_add_item(message_tree, hf_data_start_x, message_tvb, DATA_STARTX_OFFSET, DATA_STARTX_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_data_start_y, message_tvb, DATA_STARTY_OFFSET, DATA_STARTY_LENGTH, FALSE);
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proto_tree_add_item(message_tree, hf_data_points, message_tvb, DATA_POINTS_OFFSET, DATA_POINTS_LENGTH, FALSE);
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buffer_length = tvb_get_ntohl(message_tvb, DATA_POINTS_OFFSET)*4;
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if (buffer_length > 0) {
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proto_tree_add_item(message_tree, hf_buffer, message_tvb, DATA_BUFFER_OFFSET, buffer_length, FALSE);
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}
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}
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static void
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dissect_fractalgeneratorprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *fractalgeneratorprotocol_tree)
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{
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guint8 type;
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type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
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if (pinfo && (check_col(pinfo->cinfo, COL_INFO))) {
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, message_type_values, "Unknown FractalGeneratorProtocol type"));
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}
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proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, FALSE);
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proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, FALSE);
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proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, FALSE);
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switch (type) {
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case FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE:
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dissect_fractalgeneratorprotocol_parameter_message(message_tvb, fractalgeneratorprotocol_tree);
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break;
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case FRACTALGENERATOR_DATA_MESSAGE_TYPE:
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dissect_fractalgeneratorprotocol_data_message(message_tvb, fractalgeneratorprotocol_tree);
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break;
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}
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}
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static int
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dissect_fractalgeneratorprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *fractalgeneratorprotocol_item;
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proto_tree *fractalgeneratorprotocol_tree;
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/* pinfo is NULL only if dissect_fractalgeneratorprotocol_message is called from dissect_error cause */
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2010-01-13 20:32:01 +00:00
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if (pinfo)
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2006-06-09 21:41:02 +00:00
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "FractalGeneratorProtocol");
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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/* create the fractalgeneratorprotocol protocol tree */
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fractalgeneratorprotocol_item = proto_tree_add_item(tree, proto_fractalgeneratorprotocol, message_tvb, 0, -1, FALSE);
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fractalgeneratorprotocol_tree = proto_item_add_subtree(fractalgeneratorprotocol_item, ett_fractalgeneratorprotocol);
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} else {
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fractalgeneratorprotocol_tree = NULL;
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};
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/* dissect the message */
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dissect_fractalgeneratorprotocol_message(message_tvb, pinfo, fractalgeneratorprotocol_tree);
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return(TRUE);
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}
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/* Register the protocol with Wireshark */
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void
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proto_register_fractalgeneratorprotocol(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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From Kovarththanan Rajaratnam via bug 3548:
(1) Trailing/leading spaces are removed from 'name's/'blurb's
(2) Duplicate 'blurb's are replaced with NULL
(3) Empty ("") 'blurb's are replaced with NULL
(4) BASE_NONE, NULL, 0x0 are used for 'display', 'strings' and 'bitmask' fields
for FT_NONE, FT_BYTES, FT_IPv4, FT_IPv6, FT_ABSOLUTE_TIME, FT_RELATIVE_TIME,
FT_PROTOCOL, FT_STRING and FT_STRINGZ field types
(5) Only allow non-zero value for 'display' if 'bitmask' is non-zero
svn path=/trunk/; revision=28770
2009-06-18 21:30:42 +00:00
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{ &hf_message_type, { "Type", "fractalgeneratorprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } },
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{ &hf_message_flags, { "Flags", "fractalgeneratorprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_message_length, { "Length", "fractalgeneratorprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_data_start_x, { "StartX", "fractalgeneratorprotocol.data_start_x", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_data_start_y, { "StartY", "fractalgeneratorprotocol.data_start_y", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_data_points, { "Points", "fractalgeneratorprotocol.data_points", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_width, { "Width", "fractalgeneratorprotocol.parameter_width", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_height, { "Height", "fractalgeneratorprotocol.parameter_height", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_maxiterations, { "MaxIterations", "fractalgeneratorprotocol.parameter_maxiterations", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_algorithmid, { "AlgorithmID", "fractalgeneratorprotocol.parameter_algorithmid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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2009-07-07 09:02:59 +00:00
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{ &hf_parameter_c1real, { "C1Real", "fractalgeneratorprotocol.parameter_c1real", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_c1imag, { "C1Imag", "fractalgeneratorprotocol.parameter_c1imag", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_c2real, { "C2Real", "fractalgeneratorprotocol.parameter_c2real", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_c2imag, { "C2Imag", "fractalgeneratorprotocol.parameter_c2imag", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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{ &hf_parameter_n, { "N", "fractalgeneratorprotocol.parameter_n", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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From Kovarththanan Rajaratnam via bug 3548:
(1) Trailing/leading spaces are removed from 'name's/'blurb's
(2) Duplicate 'blurb's are replaced with NULL
(3) Empty ("") 'blurb's are replaced with NULL
(4) BASE_NONE, NULL, 0x0 are used for 'display', 'strings' and 'bitmask' fields
for FT_NONE, FT_BYTES, FT_IPv4, FT_IPv6, FT_ABSOLUTE_TIME, FT_RELATIVE_TIME,
FT_PROTOCOL, FT_STRING and FT_STRINGZ field types
(5) Only allow non-zero value for 'display' if 'bitmask' is non-zero
svn path=/trunk/; revision=28770
2009-06-18 21:30:42 +00:00
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{ &hf_buffer, { "Buffer", "fractalgeneratorprotocol.buffer", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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2006-06-09 21:41:02 +00:00
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_fractalgeneratorprotocol
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};
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/* Register the protocol name and description */
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proto_fractalgeneratorprotocol = proto_register_protocol("Fractal Generator Protocol", "FractalGeneratorProtocol", "fractalgeneratorprotocol");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_fractalgeneratorprotocol, 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
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proto_reg_handoff_fractalgeneratorprotocol(void)
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{
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dissector_handle_t fractalgeneratorprotocol_handle;
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fractalgeneratorprotocol_handle = new_create_dissector_handle(dissect_fractalgeneratorprotocol, proto_fractalgeneratorprotocol);
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2011-02-10 12:54:20 +00:00
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dissector_add_uint("sctp.ppi", FRACTALGENERATORPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, fractalgeneratorprotocol_handle);
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dissector_add_uint("sctp.ppi", FGP_PAYLOAD_PROTOCOL_ID, fractalgeneratorprotocol_handle);
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2006-06-09 21:41:02 +00:00
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}
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