nexmon – Rev 1
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/* packet-dvb-ait.c
* Routines for DVB Application Information Table (AIT) dissection
* Copyright 2012-2013, Martin Kaiser <martin@kaiser.cx>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* This dissector processes a DVB Application Information Table (AIT) as
* defined in ETSI TS 102 809. */
#include "config.h"
#include <epan/packet.h>
#include "packet-mpeg-sect.h"
#include "packet-mpeg-descriptor.h"
void proto_register_dvb_ait(void);
void proto_reg_handoff_dvb_ait(void);
static int proto_dvb_ait = -1;
static gint ett_dvb_ait = -1;
static gint ett_dvb_ait_descr = -1;
static gint ett_dvb_ait_app = -1;
static int hf_dvb_ait_test_app_flag = -1;
static int hf_dvb_ait_app_type = -1;
static int hf_dvb_ait_version_number = -1;
static int hf_dvb_ait_current_next_indicator = -1;
static int hf_dvb_ait_section_number = -1;
static int hf_dvb_ait_last_section_number = -1;
static int hf_dvb_ait_descr_loop_len = -1;
static int hf_dvb_ait_descr_tag = -1;
static int hf_dvb_ait_descr_len = -1;
static int hf_dvb_ait_descr_data = -1;
static int hf_dvb_ait_descr_app_prof_len = -1;
static int hf_dvb_ait_descr_app_prof = -1;
static int hf_dvb_ait_descr_app_ver = -1;
static int hf_dvb_ait_descr_app_svc_bound = -1;
static int hf_dvb_ait_descr_app_vis = -1;
static int hf_dvb_ait_descr_app_prio = -1;
static int hf_dvb_ait_descr_app_trpt_proto_label = -1;
static int hf_dvb_ait_descr_app_name_lang = -1;
static int hf_dvb_ait_descr_app_name_name = -1;
static int hf_dvb_ait_descr_trpt_proto_id = -1;
static int hf_dvb_ait_descr_trpt_proto_label = -1;
static int hf_dvb_ait_descr_trpt_sel_remote = -1;
static int hf_dvb_ait_descr_trpt_sel_onid = -1;
static int hf_dvb_ait_descr_trpt_sel_tsid = -1;
static int hf_dvb_ait_descr_trpt_sel_svcid = -1;
static int hf_dvb_ait_descr_trpt_sel_comp = -1;
static int hf_dvb_ait_descr_trpt_sel_url_base = -1;
static int hf_dvb_ait_descr_trpt_sel_url_ext_cnt = -1;
static int hf_dvb_ait_descr_trpt_sel_url_ext = -1;
static int hf_dvb_ait_descr_trpt_sel_bytes = -1;
static int hf_dvb_ait_descr_sal_init_path = -1;
static int hf_dvb_ait_app_loop_len = -1;
static int hf_dvb_ait_org_id = -1;
static int hf_dvb_ait_app_id = -1;
static int hf_dvb_ait_app_ctrl_code = -1;
static const value_string app_ctrl_code[] = {
{ 0x01, "Autostart" },
{ 0x02, "Present" },
{ 0x03, "Destroy" },
{ 0x04, "Kill" },
{ 0x05, "Prefetch" },
{ 0x06, "Remote" },
{ 0x07, "Disabled" },
{ 0x08, "Playback autostart" },
{ 0, NULL }
};
/* tags of the descriptors defined in ETSI TS 102 809
some of these tags are conflicting with MPEG2 or DVB-SI definitions,
therefore these descriptors aren't supported by packet-mpeg-descriptor.c */
#define AIT_DESCR_APP 0x00
#define AIT_DESCR_APP_NAME 0x01
#define AIT_DESCR_TRPT_PROTO 0x02
#define AIT_DESCR_EXT_APP_AUTH 0x05
#define AIT_DESCR_APP_REC 0x06
#define AIT_DESCR_APP_ICO 0x0B
#define AIT_DESCR_APP_STOR 0x10
#define AIT_DESCR_GRA_CONST 0x14
#define AIT_DESCR_SIM_APP_LOC 0x15
#define AIT_DESCR_SIM_APP_BND 0x17
#define AIT_DESCR_APP_SIG 0x6F
static const value_string ait_descr_tag[] = {
{ AIT_DESCR_APP, "Application descriptor" },
{ AIT_DESCR_APP_NAME, "Application name descriptor" },
{ AIT_DESCR_TRPT_PROTO, "Transport protocol descriptor" },
{ AIT_DESCR_EXT_APP_AUTH, "External application authorization descriptor" },
{ AIT_DESCR_APP_REC, "Application recording descriptor" },
{ AIT_DESCR_APP_ICO, "Application icons descriptor" },
{ AIT_DESCR_APP_STOR, "Application storage descriptor" },
{ AIT_DESCR_GRA_CONST, "Graphics constraints descriptor" },
{ AIT_DESCR_SIM_APP_LOC, "Simple application location descriptor" },
{ AIT_DESCR_SIM_APP_BND, "Simple application boundary descriptor" },
{ AIT_DESCR_APP_SIG, "Application signalling descriptor" },
{ 0, NULL }
};
#define TRPT_OBJ_CAROUSEL 0x0001
#define TRPT_HTTP 0x0003
static const value_string trpt_proto_id[] = {
{ TRPT_OBJ_CAROUSEL, "Object Carousel" },
{ TRPT_HTTP, "Transport via HTTP" },
{ 0, NULL }
};
static const value_string app_vis[] = {
{ 0x0, "not visible" },
{ 0x1, "not visible to users, only to applications" },
{ 0x3, "fully visible" },
{ 0, NULL }
};
/* dissect the body of an application_descriptor
offset points to the start of the body,
i.e. to the first byte after the length field */
static gint
dissect_dvb_ait_app_desc_body(tvbuff_t *tvb, guint offset,
guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
{
guint offset_start, offset_app_prof_start;
guint8 app_prof_len;
guint8 ver_maj, ver_min, ver_mic;
offset_start = offset;
app_prof_len = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof_len,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
offset_app_prof_start = offset;
while (offset-offset_app_prof_start < app_prof_len) {
proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
ver_maj = tvb_get_guint8(tvb, offset);
ver_min = tvb_get_guint8(tvb, offset+1);
ver_mic = tvb_get_guint8(tvb, offset+2);
proto_tree_add_uint_format(tree, hf_dvb_ait_descr_app_ver,
tvb, offset, 3, ver_maj<<16|ver_min<<8|ver_mic,
"Version %d.%d.%d", ver_maj, ver_min, ver_mic);
offset += 3;
}
proto_tree_add_item(tree, hf_dvb_ait_descr_app_svc_bound,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_dvb_ait_descr_app_vis,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(tree, hf_dvb_ait_descr_app_prio,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
while (offset-offset_start < body_len) {
proto_tree_add_item(tree, hf_dvb_ait_descr_app_trpt_proto_label,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
}
return (gint)(offset-offset_start);
}
static gint
dissect_dvb_ait_app_name_desc_body(tvbuff_t *tvb, guint offset,
guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
{
guint offset_start;
guint8 len;
offset_start = offset;
while (offset-offset_start < body_len) {
proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_lang,
tvb, offset, 3, ENC_ASCII|ENC_NA);
offset += 3;
len = tvb_get_guint8(tvb, offset);
/* FT_UINT_STRING with 1 leading len byte */
proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_name,
tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset += 1+len;
}
return (gint)(offset-offset_start);
}
static gint
dissect_dvb_ait_trpt_proto_desc_body(tvbuff_t *tvb, guint offset,
guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
{
guint offset_start;
guint16 proto_id;
gboolean remote_connection;
offset_start = offset;
proto_id = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_id,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_label,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
if (offset-offset_start < body_len) {
if (proto_id == TRPT_OBJ_CAROUSEL) {
remote_connection = ((tvb_get_guint8(tvb, offset) & 0x80) == 0x80);
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_remote,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
if (remote_connection) {
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_onid,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_tsid,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_svcid,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_comp,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
}
else if (proto_id == TRPT_HTTP) {
guint8 url_base_len, url_ext_cnt, url_ext_len, i;
url_base_len = tvb_get_guint8(tvb, offset);
/* FT_UINT_STRING with one leading length byte */
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_base,
tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset += 1+url_base_len;
url_ext_cnt = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext_cnt,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
for (i=0; i<url_ext_cnt; i++) {
url_ext_len = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext,
tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset += 1+url_ext_len;
}
}
else {
proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_bytes,
tvb, offset, offset_start+body_len-offset, ENC_NA);
offset = offset_start+body_len;
}
}
return (gint)(offset-offset_start);
}
static gint
dissect_dvb_ait_descriptor(tvbuff_t *tvb, guint offset,
packet_info *pinfo, proto_tree *tree)
{
gint ret;
guint offset_start;
guint8 tag, len;
proto_tree *descr_tree;
tag = tvb_get_guint8(tvb, offset);
len = tvb_get_guint8(tvb, offset+1);
/* if the descriptor is a special one that's defined in ETSI TS 102 809,
we dissect it ourselves
otherwise, we assume it's a generic DVB-SI descriptor and pass it
on to packet-mpeg-descriptor */
if (try_val_to_str(tag, ait_descr_tag)) {
offset_start = offset;
descr_tree = proto_tree_add_subtree_format(tree, tvb, offset_start, len+2,
ett_dvb_ait_descr, NULL, "Descriptor Tag=0x%02x", tag);
proto_tree_add_item(descr_tree, hf_dvb_ait_descr_tag,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(descr_tree, hf_dvb_ait_descr_len,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
switch (tag) {
case AIT_DESCR_APP:
ret = dissect_dvb_ait_app_desc_body(tvb, offset, len,
pinfo, descr_tree);
if (ret>0)
offset += ret;
break;
case AIT_DESCR_APP_NAME:
ret = dissect_dvb_ait_app_name_desc_body(tvb, offset, len,
pinfo, descr_tree);
if (ret>0)
offset += ret;
break;
case AIT_DESCR_TRPT_PROTO:
ret = dissect_dvb_ait_trpt_proto_desc_body(tvb, offset, len,
pinfo, descr_tree);
if (ret>0)
offset += ret;
break;
case AIT_DESCR_SIM_APP_LOC:
proto_tree_add_item(descr_tree,
hf_dvb_ait_descr_sal_init_path,
tvb, offset, len, ENC_ASCII|ENC_NA);
offset += len;
break;
default:
proto_tree_add_item(descr_tree, hf_dvb_ait_descr_data,
tvb, offset, len, ENC_NA);
offset += len;
break;
}
ret = (gint)(offset-offset_start);
}
else
ret = (gint)proto_mpeg_descriptor_dissect(tvb, offset, tree);
return ret;
}
static int
dissect_dvb_ait(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
gint offset=0;
proto_item *ait_tree_ti = NULL, *app_tree_ti = NULL;
proto_tree *ait_tree = NULL, *ait_app_tree = NULL;
gint offset_loop_start, offset_inner_loop_start, offset_app_start;
guint16 descr_loop_len, app_loop_len;
gint ret;
guint32 org_id;
guint16 app_id;
col_set_str(pinfo->cinfo, COL_INFO, "Application Information Table (AIT)");
if (tree) {
ait_tree_ti = proto_tree_add_protocol_format(tree, proto_dvb_ait,
tvb, 0, -1, "Application Information Table (AIT)");
ait_tree = proto_item_add_subtree(ait_tree_ti, ett_dvb_ait);
}
offset += packet_mpeg_sect_header(tvb, offset, ait_tree, NULL, NULL);
proto_tree_add_item(ait_tree, hf_dvb_ait_test_app_flag,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ait_tree, hf_dvb_ait_app_type,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* no hf for reserved bits */
proto_tree_add_item(ait_tree, hf_dvb_ait_version_number,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ait_tree, hf_dvb_ait_current_next_indicator,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(ait_tree, hf_dvb_ait_section_number,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(ait_tree, hf_dvb_ait_last_section_number,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
descr_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
proto_tree_add_item(ait_tree, hf_dvb_ait_descr_loop_len,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
offset_loop_start = offset;
while (offset-offset_loop_start < descr_loop_len) {
ret = dissect_dvb_ait_descriptor(tvb, offset, pinfo, ait_tree);
if (ret<=0)
break;
offset += ret;
}
app_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
proto_tree_add_item(ait_tree, hf_dvb_ait_app_loop_len,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
offset_loop_start = offset;
while (offset-offset_loop_start < app_loop_len) {
offset_app_start = offset;
org_id = tvb_get_ntohl(tvb, offset);
app_id = tvb_get_ntohs(tvb, offset+4);
ait_app_tree = proto_tree_add_subtree_format(ait_tree, tvb, offset, -1,
ett_dvb_ait_app, &app_tree_ti, "Application: Org 0x%x, App 0x%x", org_id, app_id);
proto_tree_add_item(ait_app_tree, hf_dvb_ait_org_id,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(ait_app_tree, hf_dvb_ait_app_id,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(ait_app_tree, hf_dvb_ait_app_ctrl_code,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
descr_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
proto_tree_add_item(ait_app_tree, hf_dvb_ait_descr_loop_len,
tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
offset_inner_loop_start = offset;
while (offset-offset_inner_loop_start < descr_loop_len) {
ret = dissect_dvb_ait_descriptor(tvb, offset, pinfo, ait_app_tree);
if (ret<=0)
break;
offset += ret;
}
proto_item_set_len(app_tree_ti, offset-offset_app_start);
}
offset += packet_mpeg_sect_crc(tvb, pinfo, ait_tree, 0, offset);
proto_item_set_len(ait_tree_ti, offset);
return offset;
}
void
proto_register_dvb_ait(void)
{
static gint *ett[] = {
&ett_dvb_ait,
&ett_dvb_ait_descr,
&ett_dvb_ait_app
};
static hf_register_info hf[] = {
{ &hf_dvb_ait_test_app_flag,
{ "Test application flag", "dvb_ait.test_app_flag",
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
{ &hf_dvb_ait_app_type,
{ "Application type", "dvb_ait.app_type",
FT_UINT16, BASE_HEX, NULL, 0x7FFF, NULL, HFILL } },
{ &hf_dvb_ait_version_number,
{ "Version Number", "dvb_ait.version",
FT_UINT8, BASE_HEX, NULL, 0x3E, NULL, HFILL } },
{ &hf_dvb_ait_current_next_indicator,
{ "Current/Next Indicator", "dvb_ait.cur_next_ind",
FT_UINT8, BASE_DEC, NULL, 0x01, NULL, HFILL } },
{ &hf_dvb_ait_section_number,
{ "Section Number", "dvb_ait.sect_num",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_last_section_number,
{ "Last Section Number", "dvb_ait.last_sect_num",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_loop_len,
{ "Descriptor loop length", "dvb_ait.descr_loop_len",
FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
{ &hf_dvb_ait_descr_tag,
{ "Descriptor Tag", "dvb_ait.descr.tag",
FT_UINT8, BASE_HEX, VALS(ait_descr_tag), 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_len,
{ "Descriptor Length", "dvb_ait.descr.len",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_data,
{ "Descriptor Data", "dvb_ait.descr.data",
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_prof_len,
{ "Application profiles length", "dvb_ait.descr.app.prof_len",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_prof,
{ "Application profile", "dvb_ait.descr.app.prof",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
/* version is major|minor|micro */
{ &hf_dvb_ait_descr_app_ver,
{ "Version", "dvb_ait.descr.app.ver",
FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_svc_bound,
{ "Service-bound flag", "dvb_ait.descr.app.svc_bound_flag",
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_vis,
{ "Visibility", "dvb_ait.descr.app.visibility",
FT_UINT8, BASE_HEX, VALS(app_vis), 0x60, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_prio,
{ "Application priority", "dvb_ait.descr.app.prio",
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_trpt_proto_label,
{ "Transport protocol label", "dvb_ait.descr.app.trpt_proto_label",
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_name_lang,
{ "ISO 639 language code", "dvb_ait.descr.app_name.lang",
FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_app_name_name,
{ "Application name", "dvb_ait.descr.app_name.name",
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_proto_id,
{ "Protocol ID", "dvb_ait.descr.trpt_proto.id",
FT_UINT16, BASE_HEX, VALS(trpt_proto_id), 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_proto_label,
{ "Transport protocol label", "dvb_ait.descr.trpt_proto.label",
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_remote,
{ "Remote connection", "dvb_ait.descr.trpt_proto.remote",
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_onid,
{ "Original network ID", "dvb_ait.descr.trpt_proto.onid",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_tsid,
{ "Transport stream ID", "dvb_ait.descr.trpt_proto.tsid",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_svcid,
{ "Service ID", "dvb_ait.descr.trpt_proto.svcid",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_comp,
{ "Component tag", "dvb_ait.descr.trpt_proto.comp_tag",
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_url_base,
{ "URL base", "dvb_ait.descr.trpt_proto.url_base",
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_url_ext_cnt,
{ "URL extension count", "dvb_ait.descr.trpt_proto.url_ext_cnt",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_url_ext,
{ "URL extension", "dvb_ait.descr.trpt_proto.url_ext",
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_trpt_sel_bytes,
{ "Selector bytes", "dvb_ait.descr.trpt_proto.selector_bytes",
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_descr_sal_init_path,
{ "Initial path", "dvb_ait.descr.sim_app_loc.initial_path",
FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_app_loop_len,
{ "Application loop length", "dvb_ait.app_loop_len",
FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
{ &hf_dvb_ait_org_id,
{ "Organisation ID", "dvb_ait.app.org_id",
FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_app_id,
{ "Application ID", "dvb_ait.app.app_id",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_dvb_ait_app_ctrl_code,
{ "Application control code", "dvb_ait.app.ctrl_code",
FT_UINT8, BASE_HEX, VALS(app_ctrl_code), 0, NULL, HFILL } }
};
proto_dvb_ait = proto_register_protocol(
"DVB Application Information Table", "DVB AIT", "dvb_ait");
proto_register_field_array(proto_dvb_ait, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_dvb_ait(void)
{
dissector_handle_t dvb_ait_handle;
dvb_ait_handle = create_dissector_handle(dissect_dvb_ait, proto_dvb_ait);
dissector_add_uint("mpeg_sect.tid", DVB_AIT_TID, dvb_ait_handle);
}
/*
* Editor modelines - http://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:
*/