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author | Ronnie Sahlberg <ronnie_sahlberg@ozemail.com.au> | 2006-06-09 21:41:02 +0000 |
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committer | Ronnie Sahlberg <ronnie_sahlberg@ozemail.com.au> | 2006-06-09 21:41:02 +0000 |
commit | 795e49d63721a99c8af759a47c8d044fca15d71c (patch) | |
tree | 858e92894c53f216a5bac1e1c7f5b52058a3ff9f /epan/dissectors/packet-fractalgeneratorprotocol.c | |
parent | de2e6dc731d7e272a40f224f5dab052eed37d397 (diff) | |
download | wireshark-795e49d63721a99c8af759a47c8d044fca15d71c.tar.gz |
From Thomas Dreibholz
RSerPool protocol stack and four new protocols
svn path=/trunk/; revision=18409
Diffstat (limited to 'epan/dissectors/packet-fractalgeneratorprotocol.c')
-rw-r--r-- | epan/dissectors/packet-fractalgeneratorprotocol.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/epan/dissectors/packet-fractalgeneratorprotocol.c b/epan/dissectors/packet-fractalgeneratorprotocol.c new file mode 100644 index 0000000000..668600282d --- /dev/null +++ b/epan/dissectors/packet-fractalgeneratorprotocol.c @@ -0,0 +1,243 @@ +/* packet-fractalgeneratorprotocol.c + * Routines for the Fractal Generator Protocol, a test application of the + * rsplib RSerPool implementation + * http://tdrwww.exp-math.uni-essen.de/dreibholz/rserpool/ + * + * Copyright 2006 by Thomas Dreibholz <dreibh [AT] exp-math.uni-essen.de> + * + * $Id: x.c 15844 2005-09-17 00:02:31Z x $ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * Copied from README.developer + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <epan/packet.h> + + +#define FRACTALGENERATORPROTOCOL_PAYLOAD_PROTOCOL_ID 0x29097601 + + +/* Initialize the protocol and registered fields */ +static int proto_fractalgeneratorprotocol = -1; +static int hf_message_type = -1; +static int hf_message_flags = -1; +static int hf_message_length = -1; +static int hf_data_start_x = -1; +static int hf_data_start_y = -1; +static int hf_data_points = -1; +static int hf_parameter_width = -1; +static int hf_parameter_height = -1; +static int hf_parameter_maxiterations = -1; +static int hf_parameter_algorithmid = -1; +static int hf_parameter_c1real = -1; +static int hf_parameter_c1imag = -1; +static int hf_parameter_c2real = -1; +static int hf_parameter_c2imag = -1; +static int hf_parameter_n = -1; +static int hf_buffer = -1; + +/* Initialize the subtree pointers */ +static gint ett_fractalgeneratorprotocol = -1; + +static void +dissect_fractalgeneratorprotocol_message(tvbuff_t *, packet_info *, proto_tree *); + + +/* Dissectors for messages. This is specific to FractalGeneratorProtocol */ +#define MESSAGE_TYPE_LENGTH 1 +#define MESSAGE_FLAGS_LENGTH 1 +#define MESSAGE_LENGTH_LENGTH 2 + +#define MESSAGE_TYPE_OFFSET 0 +#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH) +#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_OFFSET) +#define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH) + + +#define DATA_STARTX_LENGTH 4 +#define DATA_STARTY_LENGTH 4 +#define DATA_POINTS_LENGTH 4 +#define DATA_BUFFER_LENGTH 4 + +#define DATA_STARTX_OFFSET MESSAGE_VALUE_OFFSET +#define DATA_STARTY_OFFSET (DATA_STARTX_OFFSET + DATA_STARTX_LENGTH) +#define DATA_POINTS_OFFSET (DATA_STARTY_OFFSET + DATA_STARTY_LENGTH) +#define DATA_BUFFER_OFFSET (DATA_POINTS_OFFSET + DATA_POINTS_LENGTH) + + +#define PARAMETER_WIDTH_LENGTH 4 +#define PARAMETER_HEIGHT_LENGTH 4 +#define PARAMETER_MAXITERATIONS_LENGTH 4 +#define PARAMETER_ALGORITHMID_LENGTH 4 +#define PARAMETER_C1REAL_LENGTH 8 +#define PARAMETER_C1IMAG_LENGTH 8 +#define PARAMETER_C2REAL_LENGTH 8 +#define PARAMETER_C2IMAG_LENGTH 8 +#define PARAMETER_N_LENGTH 8 + +#define PARAMETER_WIDTH_OFFSET MESSAGE_VALUE_OFFSET +#define PARAMETER_HEIGHT_OFFSET (PARAMETER_WIDTH_OFFSET + PARAMETER_WIDTH_LENGTH) +#define PARAMETER_MAXITERATIONS_OFFSET (PARAMETER_HEIGHT_OFFSET + PARAMETER_HEIGHT_LENGTH) +#define PARAMETER_ALGORITHMID_OFFSET (PARAMETER_MAXITERATIONS_OFFSET + PARAMETER_MAXITERATIONS_LENGTH) +#define PARAMETER_C1REAL_OFFSET (PARAMETER_ALGORITHMID_OFFSET + PARAMETER_ALGORITHMID_LENGTH) +#define PARAMETER_C1IMAG_OFFSET (PARAMETER_C1REAL_OFFSET + PARAMETER_C1REAL_LENGTH) +#define PARAMETER_C2REAL_OFFSET (PARAMETER_C1IMAG_OFFSET + PARAMETER_C1IMAG_LENGTH) +#define PARAMETER_C2IMAG_OFFSET (PARAMETER_C2REAL_OFFSET + PARAMETER_C2REAL_LENGTH) +#define PARAMETER_N_OFFSET (PARAMETER_C2IMAG_OFFSET + PARAMETER_C2IMAG_LENGTH) + +#define FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE 0x01 +#define FRACTALGENERATOR_DATA_MESSAGE_TYPE 0x02 + + +static const value_string message_type_values[] = { + { FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE, "FractalGenerator Parameter" }, + { FRACTALGENERATOR_DATA_MESSAGE_TYPE, "FractalGenerator Data" }, + { 0, NULL } +}; + + +static void +dissect_fractalgeneratorprotocol_parameter_message(tvbuff_t *message_tvb, proto_tree *message_tree) +{ + proto_tree_add_item(message_tree, hf_parameter_width, message_tvb, PARAMETER_WIDTH_OFFSET, PARAMETER_WIDTH_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_height, message_tvb, PARAMETER_HEIGHT_OFFSET, PARAMETER_HEIGHT_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_maxiterations, message_tvb, PARAMETER_MAXITERATIONS_OFFSET, PARAMETER_MAXITERATIONS_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_algorithmid, message_tvb, PARAMETER_ALGORITHMID_OFFSET, PARAMETER_ALGORITHMID_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_c1real, message_tvb, PARAMETER_C1REAL_OFFSET, PARAMETER_C1REAL_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_c1imag, message_tvb, PARAMETER_C1IMAG_OFFSET, PARAMETER_C1IMAG_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_c2real, message_tvb, PARAMETER_C2REAL_OFFSET, PARAMETER_C2REAL_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_c2imag, message_tvb, PARAMETER_C2IMAG_OFFSET, PARAMETER_C2IMAG_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_parameter_n, message_tvb, PARAMETER_N_OFFSET, PARAMETER_N_LENGTH, FALSE); +} + + +static void +dissect_fractalgeneratorprotocol_data_message(tvbuff_t *message_tvb, proto_tree *message_tree) +{ + guint16 buffer_length; + + proto_tree_add_item(message_tree, hf_data_start_x, message_tvb, DATA_STARTX_OFFSET, DATA_STARTX_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_data_start_y, message_tvb, DATA_STARTY_OFFSET, DATA_STARTY_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_data_points, message_tvb, DATA_POINTS_OFFSET, DATA_POINTS_LENGTH, FALSE); + + buffer_length = tvb_get_ntohl(message_tvb, DATA_POINTS_OFFSET)*4; + if (buffer_length > 0) { + proto_tree_add_item(message_tree, hf_buffer, message_tvb, DATA_BUFFER_OFFSET, buffer_length, FALSE); + } +} + + +static void +dissect_fractalgeneratorprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *fractalgeneratorprotocol_tree) +{ + guint8 type; + + type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET); + if (pinfo && (check_col(pinfo->cinfo, COL_INFO))) { + col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, message_type_values, "Unknown FractalGeneratorProtocol type")); + } + proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, FALSE); + proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, FALSE); + proto_tree_add_item(fractalgeneratorprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, FALSE); + switch (type) { + case FRACTALGENERATOR_PARAMETER_MESSAGE_TYPE: + dissect_fractalgeneratorprotocol_parameter_message(message_tvb, fractalgeneratorprotocol_tree); + break; + case FRACTALGENERATOR_DATA_MESSAGE_TYPE: + dissect_fractalgeneratorprotocol_data_message(message_tvb, fractalgeneratorprotocol_tree); + break; + } +} + +static int +dissect_fractalgeneratorprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *fractalgeneratorprotocol_item; + proto_tree *fractalgeneratorprotocol_tree; + + /* pinfo is NULL only if dissect_fractalgeneratorprotocol_message is called from dissect_error cause */ + if (pinfo && (check_col(pinfo->cinfo, COL_PROTOCOL))) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "FractalGeneratorProtocol"); + + /* In the interest of speed, if "tree" is NULL, don't do any work not + necessary to generate protocol tree items. */ + if (tree) { + /* create the fractalgeneratorprotocol protocol tree */ + fractalgeneratorprotocol_item = proto_tree_add_item(tree, proto_fractalgeneratorprotocol, message_tvb, 0, -1, FALSE); + fractalgeneratorprotocol_tree = proto_item_add_subtree(fractalgeneratorprotocol_item, ett_fractalgeneratorprotocol); + } else { + fractalgeneratorprotocol_tree = NULL; + }; + /* dissect the message */ + dissect_fractalgeneratorprotocol_message(message_tvb, pinfo, fractalgeneratorprotocol_tree); + return(TRUE); +} + +/* Register the protocol with Wireshark */ +void +proto_register_fractalgeneratorprotocol(void) +{ + + /* Setup list of header fields */ + static hf_register_info hf[] = { + { &hf_message_type, { "Type", "fractalgeneratorprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, "", HFILL } }, + { &hf_message_flags, { "Flags", "fractalgeneratorprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_message_length, { "Length", "fractalgeneratorprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_data_start_x, { "StartX", "fractalgeneratorprotocol.data_start_x", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_data_start_y, { "StartY", "fractalgeneratorprotocol.data_start_y", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_data_points, { "Points", "fractalgeneratorprotocol.data_points", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_width, { "Width", "fractalgeneratorprotocol.parameter_width", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_height, { "Height", "fractalgeneratorprotocol.parameter_height", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_maxiterations, { "MaxIterations", "fractalgeneratorprotocol.parameter_maxiterations", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_algorithmid, { "AlgorithmID", "fractalgeneratorprotocol.parameter_algorithmid", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_c1real, { "C1Real", "fractalgeneratorprotocol.parameter_c1real", FT_DOUBLE, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_c1imag, { "C1Imag", "fractalgeneratorprotocol.parameter_c1imag", FT_DOUBLE, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_c2real, { "C2Real", "fractalgeneratorprotocol.parameter_c2real", FT_DOUBLE, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_c2imag, { "C2Imag", "fractalgeneratorprotocol.parameter_c2imag", FT_DOUBLE, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_n, { "N", "fractalgeneratorprotocol.parameter_n", FT_DOUBLE, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_buffer, { "Buffer", "fractalgeneratorprotocol.buffer", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } }, + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_fractalgeneratorprotocol + }; + + /* Register the protocol name and description */ + proto_fractalgeneratorprotocol = proto_register_protocol("Fractal Generator Protocol", "FractalGeneratorProtocol", "fractalgeneratorprotocol"); + + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_fractalgeneratorprotocol, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + +} + +void +proto_reg_handoff_fractalgeneratorprotocol(void) +{ + dissector_handle_t fractalgeneratorprotocol_handle; + + fractalgeneratorprotocol_handle = new_create_dissector_handle(dissect_fractalgeneratorprotocol, proto_fractalgeneratorprotocol); + dissector_add("sctp.ppi", FRACTALGENERATORPROTOCOL_PAYLOAD_PROTOCOL_ID, fractalgeneratorprotocol_handle); +} |