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RTPS: Topic Information Feature used with APP_ACK and APP_ACK_CONF 

packets.

Topic Information Feature used to link packets belonging to the same
topic now is used in APP_ACK and APP_ACK_CONF packets.

Change-Id: Ib4e1dd4dfed41962bc76e8600a1213247a3bf588
Reviewed-on: https://code.wireshark.org/review/30752
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
ismaelrti 2018-11-21 19:05:56 +01:00 committed by Anders Broman
parent c344d454b4
commit 2b1791b1ea
1 changed files with 16 additions and 9 deletions
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25
epan/dissectors/packet-rtps.c
View File

@ -4017,6 +4017,7 @@ static int rtps_util_add_fragment_number_set(proto_tree *tree, packet_info *pinf
static void rtps_util_store_type_mapping(packet_info *pinfo, tvbuff_t *tvb, gint offset,
type_mapping * type_mapping_object, const gchar * value,
gint topic_info_add_id, const guint encoding) {
if (enable_topic_info && type_mapping_object) {
switch (topic_info_add_id) {
case TOPIC_INFO_ADD_GUID: {
@ -4066,8 +4067,8 @@ static void rtps_util_store_type_mapping(packet_info *pinfo, tvbuff_t *tvb, gint
}
if ((type_mapping_object->fields_visited & TOPIC_INFO_ALL_SET) == TOPIC_INFO_ALL_SET &&
!wmem_map_lookup(registry, &(type_mapping_object->guid))) {
if (((type_mapping_object->guid.entity_id & 0x02) == 0x02)){
/* If it is an application defined writer matches 0x02 */
if (((type_mapping_object->guid.entity_id & 0x02) == 0x02) || ((type_mapping_object->guid.entity_id & 0x04) == 0x04)){
/* If it is an application defined writer matches 0x02. Matches 0x04 if it is an application defined reader */
type_mapping_object->dcps_publication_frame_number = pinfo->num;
wmem_map_insert(registry, &(type_mapping_object->guid), type_mapping_object);
}
@ -6369,7 +6370,8 @@ static void dissect_APP_ACK_CONF(tvbuff_t *tvb,
const guint encoding,
int octets_to_next_header,
proto_tree *tree,
proto_item *item)
proto_item *item,
endpoint_guid * guid)
{
/*
* 0...2...........7...............15.............23...............31
@ -6391,6 +6393,7 @@ static void dissect_APP_ACK_CONF(tvbuff_t *tvb,
*/
gint original_offset; /* Offset to the readerEntityId */
gint32 virtual_writer_count;
guint32 wid;
proto_item *octet_item;
proto_tree_add_bitmask_value(tree, tvb, offset + 1, hf_rtps_sm_flags, ett_rtps_flags, APP_ACK_CONF_FLAGS, flags);
@ -6424,8 +6427,10 @@ static void dissect_APP_ACK_CONF(tvbuff_t *tvb,
hf_rtps_sm_wrentity_id_kind,
ett_rtps_wrentity,
"writerEntityId",
NULL);
&wid);
offset += 4;
guid->entity_id = wid;
rtps_util_topic_info_add_tree(tree, tvb, offset, guid);
/* virtualWriterCount */
@ -6632,7 +6637,8 @@ static void dissect_APP_ACK(tvbuff_t *tvb,
const guint encoding,
int octets_to_next_header,
proto_tree *tree,
proto_item *item)
proto_item *item,
endpoint_guid * guid)
{
/*
* 0...2...........7...............15.............23...............31
@ -6683,8 +6689,10 @@ static void dissect_APP_ACK(tvbuff_t *tvb,
hf_rtps_sm_rdentity_id_kind,
ett_rtps_rdentity,
"readerEntityId",
NULL);
&wid);
offset += 4;
guid->entity_id = wid;
rtps_util_topic_info_add_tree(tree, tvb, offset, guid);
/* writerEntityId */
rtps_util_add_entity_id(tree,
@ -6698,7 +6706,6 @@ static void dissect_APP_ACK(tvbuff_t *tvb,
&wid);
offset += 4;
/* virtualWriterCount */
proto_tree_add_item_ret_int(tree, hf_rtps_param_app_ack_virtual_writer_count, tvb, offset, 4, encoding, &virtual_writer_count);
offset += 4;
@ -9621,11 +9628,11 @@ static gboolean dissect_rtps_submessage_v2(tvbuff_t *tvb, packet_info *pinfo, gi
break;
case SUBMESSAGE_APP_ACK:
dissect_APP_ACK(tvb, pinfo, offset, flags, encoding, octets_to_next_header, rtps_submessage_tree, submessage_item);
dissect_APP_ACK(tvb, pinfo, offset, flags, encoding, octets_to_next_header, rtps_submessage_tree, submessage_item, guid);
break;
case SUBMESSAGE_APP_ACK_CONF:
dissect_APP_ACK_CONF(tvb, pinfo, offset, flags, encoding, octets_to_next_header, rtps_submessage_tree, submessage_item);
dissect_APP_ACK_CONF(tvb, pinfo, offset, flags, encoding, octets_to_next_header, rtps_submessage_tree, submessage_item, guid);
break;
case SUBMESSAGE_HEARTBEAT_SESSION: