wireshark/epan/dissectors/packet-data.c

97 lines
2.5 KiB
C

/* packet-data.c
* Routines for raw data (default case)
* Gilbert Ramirez <gram@alumni.rice.edu>
*
* $Id$
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include "packet-data.h"
/* proto_data cannot be static because it's referenced in the
* print routines
*/
int proto_data = -1;
static int hf_data_data = -1;
static int hf_data_len = -1;
static gint ett_data = -1;
static void
dissect_data(tvbuff_t *tvb, packet_info *pinfo _U_ , proto_tree *tree)
{
gint bytes;
if (tree) {
bytes = tvb_length_remaining(tvb, 0);
if (bytes > 0) {
proto_item *ti = proto_tree_add_protocol_format(tree, proto_data, tvb,
0,
bytes, "Data (%d byte%s)", bytes,
plurality(bytes, "", "s"));
proto_tree *data_tree = proto_item_add_subtree(ti, ett_data);
proto_tree_add_item(data_tree, hf_data_data, tvb, 0, bytes, FALSE);
ti = proto_tree_add_int(data_tree, hf_data_len, tvb, 0, 0, bytes);
PROTO_ITEM_SET_GENERATED (ti);
}
}
}
void
proto_register_data(void)
{
static hf_register_info hf[] = {
{ &hf_data_data,
{ "Data", "data.data", FT_BYTES, BASE_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_data_len,
{ "Length", "data.len", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }
};
static gint *ett[] = {
&ett_data
};
proto_data = proto_register_protocol (
"Data", /* name */
"Data", /* short name */
"data" /* abbrev */
);
register_dissector("data", dissect_data, proto_data);
proto_register_field_array(proto_data, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/*
* "Data" is used to dissect something whose normal dissector
* is disabled, so it cannot itself be disabled.
*/
proto_set_cant_toggle(proto_data);
}