edu.illinois.ncsa.datawolf.executor.hpc.ssh

Class SSHSession

java.lang.Object

edu.illinois.ncsa.datawolf.executor.hpc.ssh.SSHSession

public class SSHSession
extends Object

Manages the JSch Session object by checking for connection and trying to reconnect whenever a channel is retrieved.

Author:

Albert L. Rossi.

Constructor Summary

Constructors

Constructor and Description
SSHSession(com.jcraft.jsch.Session session)
SSHSession(URI endpoint)
SSHSession(URI endpoint, SSHInfo info)

Method Summary

Modifier and Type	Method and Description
void	close() Disconnects.
com.jcraft.jsch.Channel	getExecChannel() The main purpose of the SSH connection: to do an exec.
SSHInfo	getInfo()
void	setInfo(SSHInfo info)

Methods inherited from class java.lang.Object

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

Constructor Detail

SSHSession

public SSHSession(com.jcraft.jsch.Session session)

Parameters:

session - existing jcraft Session object

SSHSession

public SSHSession(URI endpoint)

Parameters:

endpoint - to which to open connection.

SSHSession

public SSHSession(URI endpoint,
                  SSHInfo info)

Parameters:

info - to open connection.

Method Detail

close

public void close()

Disconnects.

getExecChannel

public com.jcraft.jsch.Channel getExecChannel()
                                       throws Exception

The main purpose of the SSH connection: to do an exec. If the the session is down or not connected, an attempt will be made to re-establish the connection.

Throws:

Exception

getInfo

public SSHInfo getInfo()

setInfo

public void setInfo(SSHInfo info)