diff options
Diffstat (limited to 'epan/dissectors/packet-dvb-tdt.c')
-rw-r--r-- | epan/dissectors/packet-dvb-tdt.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dvb-tdt.c b/epan/dissectors/packet-dvb-tdt.c new file mode 100644 index 00000000..c6b8498e --- /dev/null +++ b/epan/dissectors/packet-dvb-tdt.c @@ -0,0 +1,97 @@ +/* packet-dvb-tdt.c + * Routines for DVB (ETSI EN 300 468) Time and Date Table (TDT) dissection + * Copyright 2012, Guy Martin <gmsoft@tuxicoman.be> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include "packet-mpeg-sect.h" + +void proto_register_dvb_tdt(void); +void proto_reg_handoff_dvb_tdt(void); + +static dissector_handle_t dvb_tdt_handle; + +static int proto_dvb_tdt = -1; +static int hf_dvb_tdt_utc_time = -1; + +static gint ett_dvb_tdt = -1; + +static int +dissect_dvb_tdt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + guint offset = 0; + + proto_item *ti; + proto_tree *dvb_tdt_tree; + + nstime_t utc_time; + + col_set_str(pinfo->cinfo, COL_INFO, "Time and Date Table (TDT)"); + + ti = proto_tree_add_item(tree, proto_dvb_tdt, tvb, offset, -1, ENC_NA); + dvb_tdt_tree = proto_item_add_subtree(ti, ett_dvb_tdt); + + offset += packet_mpeg_sect_header(tvb, offset, dvb_tdt_tree, NULL, NULL); + + if (packet_mpeg_sect_mjd_to_utc_time(tvb, offset, &utc_time) < 0) { + proto_tree_add_time_format(dvb_tdt_tree, hf_dvb_tdt_utc_time, tvb, offset, 5, &utc_time, "Unparseable time"); + } else { + proto_tree_add_time(dvb_tdt_tree, hf_dvb_tdt_utc_time, tvb, offset, 5, &utc_time); + } + offset += 5; + + proto_item_set_len(ti, offset); + return tvb_captured_length(tvb); +} + + +void +proto_register_dvb_tdt(void) +{ + + static hf_register_info hf[] = { + + { &hf_dvb_tdt_utc_time, { + "UTC Time", "dvb_tdt.utc_time", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL + } } + }; + + static gint *ett[] = { + &ett_dvb_tdt + }; + + proto_dvb_tdt = proto_register_protocol("DVB Time and Date Table", "DVB TDT", "dvb_tdt"); + + proto_register_field_array(proto_dvb_tdt, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + dvb_tdt_handle = register_dissector("dvb_tdt", dissect_dvb_tdt, proto_dvb_tdt); +} + + +void proto_reg_handoff_dvb_tdt(void) +{ + dissector_add_uint("mpeg_sect.tid", DVB_TDT_TID, dvb_tdt_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |