Network Protocol/HEADER
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Overview
This article describes the record type HEADER of the Network Protocol. It contains a magic and a CRC32 checksum. This checksum does not include the additional records.
| Name | Amount | Size | Description |
|---|---|---|---|
| SLOT | 0-1 | 0x08 | Only used for redirected data via a proxy. The record identifies the original client by its slot number. |
| HEADER | 1 | 0x10 | A header for a race packet. |
| RACEHEADER_1 | 1 | 0x28 | A record with basic race data. |
| RACEHEADER_2 | 0-1 | 0x28 | A record with game-mode specific race data (not present in live view). |
| ROOM | 0-1 | 0x04 | A record containing a friend room message (not present outside friend room lobbies). |
| SELECT | 0-1 | 0x38 | A record containing data to set up a match (not present during races). |
| RACEDATA | 1-2 | 0x40 | A record containing race data for each player, such as positions or inputs. |
| USER | 0-1 | 0xC0 | A record containing user data such as Miis and friend codes. |
| ITEM | 1-2 | 0x08 | A record containing information about players' items. |
| EVENT | 1 | ≥ 0x18 | A record transmitting item events. |
| Offset | Size | Description |
|---|---|---|
| 0x00 | 4 bytes | Magic. Always 0x0000 0000. |
| 0x04 | 4 bytes | CRC32 checksum of the packet. |
| 0x08 | 1 byte | Header length. Always 0x10. |
| 0x09 | 1 byte | RACEHEADER_1 record length. Either 0x28 or 0x00 if not present. |
| 0x0A | 1 byte | RACEHEADER_2 record length. Either 0x28 or 0x00 if not present. |
| 0x0B | 1 byte | ROOM or SELECT record length. Either 0x04 (if ROOM), 0x38 (if SELECT), or 0x00 if not present. |
| 0x0C | 1 byte | RACEDATA record length. Either 0x40 (per player) or 0x00 if not present. |
| 0x0D | 1 byte | USER record length. Either 0xC0 or 0x00 if not present. |
| 0x0E | 1 byte | ITEM record length. Either 0x08 per player or 0x00 if not present. |
| 0x0F | 1 byte | EVENT record length. Either variable length or 0x00 if not present. |
Information:
Nintendo's Servers –
Friend Code –
Nick –
Dumping Network Traffic
Record Types:
HEADER –
ROOM –
SELECT –
USER
RACEHEADER_1 –
RACEHEADER_2 –
RACEDATA –
ITEM –
EVENT
NATNEG –
ANNOUNCE –
QUIT –
STATUS –
PARAM-STRING
Wiimmfi Extensions:
Online Status –
Connection Status –
Wiimmfi packets –
Server SV
Software:
Wiimms mkw-ana