org.jscsi.initiator.connection.phase

Class LoginOperationalNegotiationPhase

java.lang.Object

org.jscsi.initiator.connection.phase.LoginOperationalNegotiationPhase

All Implemented Interfaces:

IPhase

public final class LoginOperationalNegotiationPhase
extends Object

LoginOperationalNegotiationPhase

This class represents the Login Operational Negotiation Phase of a session. In this phase only further exchange of the parameters are allowed.

Author:

Volker Wildi

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER The Logger interface.

Constructor Summary

Constructors

Constructor and Description
LoginOperationalNegotiationPhase()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	getCapacity(Session session, TargetCapacityInformations capacityInformation) This method handles the TargetCapacityInformations within this session (if possible in the current phase).
org.jscsi.parser.login.LoginStage	getStage() Returns the current stage.
boolean	login(Session session) This method handles the login of a connection (if possible).
boolean	logoutConnection(Session session, short connectionID) This method handles the logout of a connection (if possible) (if possible in the current phase).
boolean	logoutSession(ITask task, Session session) This method handles the logout of the whole session (with all its connections) (if possible in the current phase).
boolean	read(ITask task, Session session, ByteBuffer dst, int logicalBlockAddress, long length) This method handles a read operation within this session (if possible in the current phase).
boolean	write(ITask task, Session session, ByteBuffer src, int logicalBlockAddress, long length) This method handles a write operation within this session (if possible in the current phase).

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

The Logger interface.

Constructor Detail

LoginOperationalNegotiationPhase

public LoginOperationalNegotiationPhase()

Method Detail

getStage

public final org.jscsi.parser.login.LoginStage getStage()

Returns the current stage.

Specified by:

getStage in interface IPhase

Returns:

The current stage.

See Also:

LoginStage

login

public boolean login(Session session)
              throws Exception

This method handles the login of a connection (if possible).

Specified by:

login in interface IPhase

Parameters:

session - The context object of the current session.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.

logoutConnection

public boolean logoutConnection(Session session,
                       short connectionID)
                         throws Exception

This method handles the logout of a connection (if possible) (if possible in the current phase).

Specified by:

logoutConnection in interface IPhase

Parameters:

session - The context object of the current session.

connectionID - The ID of the connection to close.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.

logoutSession

public boolean logoutSession(ITask task,
                    Session session)
                      throws Exception

This method handles the logout of the whole session (with all its connections) (if possible in the current phase).

Specified by:

logoutSession in interface IPhase

Parameters:

task - The calling Task

session - The context object of the current session.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.

read

public boolean read(ITask task,
           Session session,
           ByteBuffer dst,
           int logicalBlockAddress,
           long length)
             throws Exception

This method handles a read operation within this session (if possible in the current phase).

Specified by:

read in interface IPhase

Parameters:

task - The calling Task

session - The context object of the current session.

dst - The buffer to store the read data.

logicalBlockAddress - The logical block address to start the read operation.

length - The number of bytes to read.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.

write

public boolean write(ITask task,
            Session session,
            ByteBuffer src,
            int logicalBlockAddress,
            long length)
              throws Exception

This method handles a write operation within this session (if possible in the current phase).

Specified by:

write in interface IPhase

Parameters:

task - The calling Task

session - The context object of the current session.

src - Write the remaining bytes to the iSCSI Target.

logicalBlockAddress - The logical block address to start the write operation.

length - The number of bytes to write.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.

getCapacity

public boolean getCapacity(Session session,
                  TargetCapacityInformations capacityInformation)
                    throws Exception

This method handles the TargetCapacityInformations within this session (if possible in the current phase).

Specified by:

getCapacity in interface IPhase

Parameters:

session - The context object of the current session.

capacityInformation - A TargetCapacityInformations instance to store these informations.

Returns:

true if task is finished

Throws:

Exception - if any error occurs.