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Added readme and size field to avatar data packet dissector

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Anthony J. Thibault 2018-08-06 11:15:43 -07:00
parent 41b804a5dd
commit 2cd01ad189
2 changed files with 27 additions and 0 deletions
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13
tools/dissectors/3-hf-avatar.lua
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@ -19,6 +19,8 @@ local f_avatar_data_valid_rotations = ProtoField.string("hf_avatar.avatar_data_v
local f_avatar_data_valid_translations = ProtoField.string("hf_avatar.avatar_data_valid_translations", "Valid Translations") local f_avatar_data_valid_translations = ProtoField.string("hf_avatar.avatar_data_valid_translations", "Valid Translations")
local f_avatar_data_default_rotations = ProtoField.string("hf_avatar.avatar_data_default_rotations", "Valid Default") local f_avatar_data_default_rotations = ProtoField.string("hf_avatar.avatar_data_default_rotations", "Valid Default")
local f_avatar_data_default_translations = ProtoField.string("hf_avatar.avatar_data_default_translations", "Valid Default") local f_avatar_data_default_translations = ProtoField.string("hf_avatar.avatar_data_default_translations", "Valid Default")
local f_avatar_data_sizes = ProtoField.string("hf_avatar.avatar_sizes", "Sizes")
p_hf_avatar.fields = { p_hf_avatar.fields = {
f_avatar_id, f_avatar_data_parent_id f_avatar_id, f_avatar_data_parent_id
@ -110,6 +112,9 @@ function add_avatar_data_subtrees(avatar_data)
if avatar_data["default_translations"] then if avatar_data["default_translations"] then
avatar_subtree:add(f_avatar_data_default_translations, avatar_data["default_translations"]) avatar_subtree:add(f_avatar_data_default_translations, avatar_data["default_translations"])
end end
if avatar_data["sizes"] then
avatar_subtree:add(f_avatar_data_sizes, avatar_data["sizes"])
end
end end
function decode_vec3(buf) function decode_vec3(buf)
@ -154,6 +159,8 @@ function decode_avatar_data_packet(buf)
local i = 0 local i = 0
local result = {} local result = {}
result["sizes"] = ""
-- uint16 has_flags -- uint16 has_flags
local has_flags = buf(i, 2):le_uint() local has_flags = buf(i, 2):le_uint()
i = i + 2 i = i + 2
@ -258,6 +265,8 @@ function decode_avatar_data_packet(buf)
if has_joint_data then if has_joint_data then
local joint_poses_start = i
local num_joints = buf(i, 1):uint() local num_joints = buf(i, 1):uint()
i = i + 1 i = i + 1
local num_validity_bytes = math.ceil(num_joints / 8) local num_validity_bytes = math.ceil(num_joints / 8)
@ -279,6 +288,8 @@ function decode_avatar_data_packet(buf)
-- TODO: skip hand controller data -- TODO: skip hand controller data
i = i + 24 i = i + 24
result["sizes"] = result["sizes"] .. " Poses: " .. (i - joint_poses_start)
end end
if has_joint_default_pose_flags then if has_joint_default_pose_flags then
@ -295,5 +306,7 @@ function decode_avatar_data_packet(buf)
result["default_translations"] = "Default Translations: " .. string.format("(%d/%d) {", #indices, num_joints) .. table.concat(indices, ", ") .. "}" result["default_translations"] = "Default Translations: " .. string.format("(%d/%d) {", #indices, num_joints) .. table.concat(indices, ", ") .. "}"
end end
result["sizes"] = result["sizes"] .. " Total: " .. i
return result return result
end end

14
tools/dissectors/README.md Normal file
View file

@ -0,0 +1,14 @@
High Fidelity Wireshark Plugins
---------------------------------
Install wireshark 2.4.6 or higher.
Copy these lua files into c:\Users\username\AppData\Roaming\Wireshark\Plugins
After a capture any detected High Fidelity Packets should be easily identifiable by one of the following protocols
* HF-AUDIO - Streaming audio packets
* HF-AVATAR - Streaming avatar mixer packets
* HF-ENTITY - Entity server traffic
* HF-DOMAIN - Domain server traffic
* HFUDT - All other UDP traffic