Wireshark dissector for Pro DJ Link protocol
add total & available space parsing
+14
-5
+14
-5
pro_dj_link.lua
+14
-5
pro_dj_link.lua
···
52
52
local f_countdown = ProtoField.uint16("pdjl.cue_countdown", "Cue Countdown", base.DEC)
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53
local f_pitch_3 = ProtoField.uint32("pdjl.pitch_3", "Pitch 3", base.HEX)
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55
-
local f_queried_ip = ProtoField.ipv4("pdjl.queried_ip", "Queried IP")
56
-
local f_queried_dev = ProtoField.uint32("pdjl.queried_device", "Queried Device", base.DEC)
57
-
local f_queried_slot= ProtoField.uint32("pdjl.queried_slot", "Queried Slot", base.HEX)
55
+
local f_queried_ip = ProtoField.ipv4("pdjl.queried_ip", "Querying IP")
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+
local f_queried_dev = ProtoField.uint32("pdjl.queried_device", "Querying Device", base.DEC)
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+
local f_queried_slot= ProtoField.uint32("pdjl.queried_slot", "Querying Slot", base.HEX)
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local f_slot_owner = ProtoField.uint8("pdjl.slot_owner", "Slot Owner Device", base.DEC)
59
+
local f_total_media_space = ProtoField.uint64("pdjl.total_media_space", "Total Space", base.DEC)
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+
local f_avail_media_space = ProtoField.uint64("pdjl.avail_media_space", "Available Space", base.DEC)
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+
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local f_media_type = ProtoField.uint8("pdjl.media_type", "Media Type", base.HEX)
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local f_media_status = ProtoField.uint8("pdjl.media_status", "Media Status", base.HEX)
···
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82
local f_db_field_u8 = ProtoField.uint8("pdjl.db.field.u8", "Field (U8)", base.DEC)
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local f_db_field_u16= ProtoField.uint16("pdjl.db.field.u16", "Field (U16)", base.DEC)
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local f_db_field_u32= ProtoField.uint32("pdjl.db.field.u32", "Field (U32)", base.HEX)
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+
local f_db_field_u64= ProtoField.uint64("pdjl.db.field.u64", "Field (U64)", base.DEC)
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local f_db_field_str= ProtoField.string("pdjl.db.field.str", "Field (String)")
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local f_db_field_bin= ProtoField.bytes("pdjl.db.field.bin", "Field (Blob)")
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88
···
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103
f_track_len, f_playhead, f_pitch_abs, f_bpm_abs, f_sync_cmd,
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f_rb_id, f_track_num, f_track_dev, f_slot, f_track_type, f_activity, f_firmware, f_beat_count,
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f_play_mode_1, f_play_mode_2, f_pitch_1, f_pitch_2, f_master_info, f_handoff, f_countdown, f_pitch_3,
102
-
f_queried_ip, f_queried_dev, f_queried_slot, f_slot_owner, f_media_type, f_media_status, f_media_tracks, f_media_name, f_media_db_date,
106
+
f_queried_ip, f_queried_dev, f_queried_slot, f_slot_owner, f_total_media_space, f_avail_media_space, f_media_type, f_media_status, f_media_tracks, f_media_name, f_media_db_date,
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107
f_flags, f_flag_playing, f_flag_master, f_flag_sync, f_flag_onair,
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f_db_magic, f_db_tx_id, f_db_msg_type, f_db_arg_count, f_db_tag_blob,
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-
f_db_field_u8, f_db_field_u16, f_db_field_u32, f_db_field_str, f_db_field_bin,
109
+
f_db_field_u8, f_db_field_u16, f_db_field_u32, f_db_field_u64, f_db_field_str, f_db_field_bin,
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f_dmst, f_dmst_dev, f_dmst_menu, f_dmst_slot, f_dmst_type,
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f_db_port, f_raw_payload
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}
···
530
534
local enc = (ENC_UTF_16 or 2) + (ENC_BIG_ENDIAN or 0)
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tree:add(f_media_type, buf(0x26, 1))
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tree:add(f_media_status, buf(0x27, 1))
537
+
tree:add(f_media_tracks, buf(0xa6, 2))
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-- Slot is at 0x28 in the newer format
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tree:add(f_queried_slot, buf(0x28, 4))
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540
···
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545
-- DB Creation Date starts at 0x6C (UTF-16, up to 24 bytes)
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local date_str = buf(0x6C, 24):string(enc):gsub("%z", "")
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tree:add(f_media_db_date, buf(0x6C, 24), date_str)
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+
549
+
-- add total_space @ offset 0xb0 (8 bytes) and free_space @ offset 0xb8 (4 bytes)
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+
tree:add(f_total_media_space, buf(0xb0, 8))
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+
tree:add(f_avail_media_space, buf(0xb8, 8))
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elseif length >= 0x2C + 32 then
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-- Fallback to old format (e.g. CDJ-2000)
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local enc = (ENC_ASCII or 0)