Package marauroa.server.game.dbcommand

Class LoginCommand

java.lang.Object

marauroa.server.db.command.AbstractDBCommand

marauroa.server.game.dbcommand.DBCommandWithCallback

marauroa.server.game.dbcommand.LoginCommand

All Implemented Interfaces:

DBCommand

public class LoginCommand
extends DBCommandWithCallback

verifies the login using the database

Field Summary

Fields inherited from class marauroa.server.game.dbcommand.DBCommandWithCallback

callback

Constructor Summary

Constructors

Constructor	Description
LoginCommand(SecuredLoginInfo info)	creates a new LoginCommand
LoginCommand(SecuredLoginInfo info, DelayedEventHandler callback, int clientid, Channel channel, int protocolVersion)	creates a new LoginCommand.

Method Summary

Modifier and Type	Method	Description
protected boolean	accountStatusCheck(DBTransaction transaction)
protected boolean	blockCheck(DBTransaction transaction)
protected boolean	credentialsCheck(DBTransaction transaction)
void	execute(DBTransaction transaction)	processes the database request.
String	getFailMessage()	gets the message if the login failed
MessageS2CLoginNACK.Reasons	getFailReason()	gets the Reason enum if the login failed
SecuredLoginInfo	getInfo()	gets the SecuredLoginInfo object
List<String>	getPreviousLogins()	gets a list of previous logins so that the player can notice possible account hacks.
protected void	processSuccessfulLogin(DBTransaction transaction)
String	toString()	returns a string suitable for debug output of this DBCommand.
protected boolean	verify(DBTransaction transaction)	verifies credentials against the database

Methods inherited from class marauroa.server.game.dbcommand.DBCommandWithCallback

getChannel, getClientid, getProtocolVersion, invokeCallback

Methods inherited from class marauroa.server.db.command.AbstractDBCommand

getEnqueueTime, getException, setEnqueueTime, setException

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

LoginCommand

public LoginCommand(SecuredLoginInfo info)

creates a new LoginCommand

Parameters:

info - SecuredLoginInfo

LoginCommand

public LoginCommand(SecuredLoginInfo info,
 DelayedEventHandler callback,
 int clientid,
 Channel channel,
 int protocolVersion)

creates a new LoginCommand.

Parameters:

info - SecuredLoginInfo

callback - DelayedEventHandler

clientid - optional parameter available to the callback

channel - optional parameter available to the callback

protocolVersion - protocolVersion

Method Details

execute

public void execute(DBTransaction transaction)
             throws SQLException,
IOException

Description copied from class: AbstractDBCommand

processes the database request.

Specified by:

execute in interface DBCommand

Specified by:

execute in class AbstractDBCommand

Parameters:

transaction - DBTransaction

Throws:

SQLException - in case of an database error

IOException - in case of an input/output error

blockCheck

protected boolean blockCheck(DBTransaction transaction)
                      throws SQLException

Throws:

SQLException

verify

protected boolean verify(DBTransaction transaction)
                  throws SQLException,
IOException

verifies credentials against the database

Parameters:

transaction - DBTransaction

Returns:

verification result

Throws:

SQLException - in case of a database error

IOException - in case of an input/output error

credentialsCheck

protected boolean credentialsCheck(DBTransaction transaction)
                            throws SQLException,
IOException

Throws:

SQLException

IOException

accountStatusCheck

protected boolean accountStatusCheck(DBTransaction transaction)
                              throws SQLException

Throws:

SQLException

processSuccessfulLogin

protected void processSuccessfulLogin(DBTransaction transaction)
                               throws SQLException

Throws:

SQLException

getInfo

public SecuredLoginInfo getInfo()

gets the SecuredLoginInfo object

Returns:

SecuredLoginInfo

getFailReason

public MessageS2CLoginNACK.Reasons getFailReason()

gets the Reason enum if the login failed

Returns:

MessageS2CLoginNACK.Reasons or null in case the login did not fail (was succesful).

getFailMessage

public String getFailMessage()

gets the message if the login failed

Returns:

error message or null in case the login did not fail (was succesful).

getPreviousLogins

public List<String> getPreviousLogins()

gets a list of previous logins so that the player can notice possible account hacks.

Returns:

list of last logins

toString

public String toString()

returns a string suitable for debug output of this DBCommand.

Overrides:

toString in class Object

Returns:

debug string