AuthServer

Responsible for user authentication and session creation. Cross-shard capabilities.

Communication Protocols

In the sections below, the table column "Structure" is denoted in the same format used in the server source. Minus the opcode, which is type "c."

Type	Description
c	Char
w	Word / Short
d	DWord / Int
b	Byte Array
s	NUL-terminated C String

Game Server

TCP Port 2104. AuthServer and DBServer communicate through this port.

Incoming Packets

Opcode	Description
AS_PLAY_OK
AS_PLAY_FAIL
AS_PLAY_GAME
AS_QUIT_GAME
AS_KICK_ACCOUNT
AS_SERVER_USERNUM
AS_BAN_USER
AS_VERSION
AS_PING
AS_WRITE_USERDATA
AS_SET_CONNECT
AS_PLAY_USER_LIST
AS_SET_SERVER_ID
AS_SERVER_USER_NUM_BY_QUEUE_LEVEL
AS_FINISHED_QUEUE
AS_SET_LOGIN_FREQUENCY
AS_QUEUE_SIZES
AS_READ_USERDATA
AS_WRITE_GAMEDATA
AS_READ_GAMEDATA
AS_SHARD_TRANSFER

Outgoing Packets

Opcode	Description	Structure
SQ_ABOUT_TO_PLAY		dsdddd
SQ_KICK_ACCOUNT		dcs
SQ_SERVER_NUM		-
SQ_VERSION		sd(d)
SQ_PING		-
SQ_COMPLETE_USERLIST		d
SQ_USER_DATA		db
SQ_GAME_DATA		db

Game Client

TCP Port 2106. AuthServer and Game communicate through this port.

Incoming Packets

Opcode	Description
AQ_LOGIN
AQ_SERVER_LIST
AQ_ABOUT_TO_PLAY
AQ_LOGOUT
AQ_LOGIN_MD5
AQ_SERVER_LIST_EXT

Outgoing Packets

Opcode	Description	Structure
AC_PROTOCOL_VER	Exchange common protocol version with client	dddbdb
AC_LOGIN_FAIL	Reject client authentication	c
AC_BLOCKED_ACCOUNT	Account banned for X until Y	dd
AC_LOGIN_OK	Allow client authentication	dddddddddddd(dd)
AC_SEND_SERVERLIST	Send list of shards	c[cddccwwcc(cs)]
AC_SEND_SERVER_FAIL	Something unexpected happened	c
AC_PLAY_FAIL	Server selected, but down possibly?	c
AC_PLAY_OK	Server selected, continue	ddc
AC_ACCOUNT_KICKED	Account kicked for X	c
AC_BLOCKED_ACCOUNT_WITH_MSG	Account permabanned for X	s
AC_SC_CHECK_REQ	-	-
AC_QUEUE_SIZE	Queue length and wait time	c[ccdd]
AC_HANDOFF_TO_QUEUE	Wait in server queue	ddc
AC_POSITION_IN_QUEUE	-	-

GM Tools

TCP Port 2108. Unknown.