Package net.schmizz.sshj

Class AbstractService

java.lang.Object

net.schmizz.sshj.AbstractService

All Implemented Interfaces:

ErrorNotifiable, SSHPacketHandler, Service

Direct Known Subclasses:

ConnectionImpl, UserAuthImpl

public abstract class AbstractService
extends java.lang.Object
implements Service

An abstract class for Service that implements common or default functionality.

Nested Class Summary

Nested classes/interfaces inherited from interface net.schmizz.sshj.common.ErrorNotifiable

ErrorNotifiable.Util

Field Summary

Fields

Modifier and Type	Field	Description
protected org.slf4j.Logger	log	Logger
protected java.lang.String	name	Assigned name of this service
protected Transport	trans	Transport layer

Constructor Summary

Constructors

Constructor	Description
AbstractService(java.lang.String name, Transport trans)

Method Summary

Modifier and Type	Method	Description
java.lang.String	getName()
void	handle(Message msg, SSHPacket buf)	Delegate handling of some SSH packet to this object.
void	notifyError(SSHException error)	Notifies this object of an error.
void	notifyUnimplemented(long seqNum)	Notifies this service that a SSH_MSG_UNIMPLEMENTED was received for packet with given sequence number.
void	request()	Request and install this service with the associated transport.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected final org.slf4j.Logger log

Logger

name

protected final java.lang.String name

Assigned name of this service

trans

protected final Transport trans

Transport layer

Constructor Detail

AbstractService

public AbstractService(java.lang.String name,
                       Transport trans)

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface Service

Returns:

the assigned name for this SSH service.

handle

public void handle(Message msg,
                   SSHPacket buf)
            throws SSHException

Description copied from interface: SSHPacketHandler

Delegate handling of some SSH packet to this object.

Specified by:

handle in interface SSHPacketHandler

Parameters:

msg - the SSH message identifier

buf - SSHPacket containing rest of the request

Throws:

SSHException - if there is a non-recoverable error

notifyError

public void notifyError(SSHException error)

Description copied from interface: ErrorNotifiable

Notifies this object of an error.

Specified by:

notifyError in interface ErrorNotifiable

notifyUnimplemented

public void notifyUnimplemented(long seqNum)
                         throws SSHException

Description copied from interface: Service

Notifies this service that a SSH_MSG_UNIMPLEMENTED was received for packet with given sequence number. Meant to be invoked as a callback by the transport layer.

Specified by:

notifyUnimplemented in interface Service

Parameters:

seqNum - sequence number of the packet which the server claims is unimplemented

Throws:

SSHException - if the packet is unexpected and may represent a disruption

request

public void request()
             throws TransportException

Description copied from interface: Service

Request and install this service with the associated transport. Implementations should aim to make this method idempotent by first checking the Transport.getService() currently active service}.

Specified by:

request in interface Service

Throws:

TransportException - if there is an error sending the service request