111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/* packet-dvb-tdt.c
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* Routines for DVB (ETSI EN 300 468) Time and Date Table (TDT) dissection
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* Copyright 2012, Guy Martin <gmsoft@tuxicoman.be>
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-mpeg-sect.h"
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void proto_register_dvb_tdt(void);
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void proto_reg_handoff_dvb_tdt(void);
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static int proto_dvb_tdt = -1;
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static int hf_dvb_tdt_utc_time = -1;
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static gint ett_dvb_tdt = -1;
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static int
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dissect_dvb_tdt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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guint offset = 0;
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proto_item *ti;
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proto_tree *dvb_tdt_tree;
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nstime_t utc_time;
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col_set_str(pinfo->cinfo, COL_INFO, "Time and Date Table (TDT)");
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ti = proto_tree_add_item(tree, proto_dvb_tdt, tvb, offset, -1, ENC_NA);
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dvb_tdt_tree = proto_item_add_subtree(ti, ett_dvb_tdt);
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offset += packet_mpeg_sect_header(tvb, offset, dvb_tdt_tree, NULL, NULL);
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if (packet_mpeg_sect_mjd_to_utc_time(tvb, offset, &utc_time) < 0) {
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proto_tree_add_time_format(dvb_tdt_tree, hf_dvb_tdt_utc_time, tvb, offset, 5, &utc_time, "Unparseable time");
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} else {
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proto_tree_add_time(dvb_tdt_tree, hf_dvb_tdt_utc_time, tvb, offset, 5, &utc_time);
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}
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offset += 5;
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proto_item_set_len(ti, offset);
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return tvb_captured_length(tvb);
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}
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void
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proto_register_dvb_tdt(void)
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{
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static hf_register_info hf[] = {
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{ &hf_dvb_tdt_utc_time, {
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"UTC Time", "dvb_tdt.utc_time",
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FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL
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} }
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};
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static gint *ett[] = {
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&ett_dvb_tdt
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};
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proto_dvb_tdt = proto_register_protocol("DVB Time and Date Table", "DVB TDT", "dvb_tdt");
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proto_register_field_array(proto_dvb_tdt, 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_dvb_tdt(void)
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{
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dissector_handle_t dvb_tdt_handle;
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dvb_tdt_handle = create_dissector_handle(dissect_dvb_tdt, proto_dvb_tdt);
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dissector_add_uint("mpeg_sect.tid", DVB_TDT_TID, dvb_tdt_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: 4
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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=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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