Package nidaqdev.networkdaq

Class LinuxSSHCommander

java.lang.Object

nidaqdev.networkdaq.LinuxSSHCommander

public class LinuxSSHCommander
extends Object

Class for issuing commands directly to the linux shell on the cRio

Author:

Doug Gillespie

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LinuxSSHCommander.MyUserInfo

Constructor Summary

Constructors

Constructor	Description
LinuxSSHCommander(NINetworkDaq niNetworkDaq)

Method Summary

Modifier and Type	Method	Description
void	closeShell()	Close the Shell session
String	execCommand(String command)
boolean	execCommand(String command, OutputStream outStream)
String	getShellHost()	Get the current host address.
void	interpretCrioString(String cRioString)	Take a look at the text content output from the cRio and see if it indicates an error.
boolean	openCommander(String host, String user, String password)
boolean	openShell(String host, String user, String password)	Open a shell session
void	writeCommand(String command)	Write a linux command to the open shell A carriage return will automatically be added if necessary.

Methods inherited from class java.lang.Object

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

Constructor Details

LinuxSSHCommander

public LinuxSSHCommander(NINetworkDaq niNetworkDaq)

Method Details

closeShell

public void closeShell()

Close the Shell session

getShellHost

public String getShellHost()

Get the current host address.

Returns:

the current host address.

openShell

public boolean openShell(String host,
 String user,
 String password)

Open a shell session

Parameters:

host - host ip address.

user - user name

password - password

Returns:

true if opened ok.

writeCommand

public void writeCommand(String command)

Write a linux command to the open shell
A carriage return will automatically be added if necessary.

Parameters:

command - Command string

openCommander

public boolean openCommander(String host,
 String user,
 String password)

execCommand

public String execCommand(String command)

execCommand

public boolean execCommand(String command,
 OutputStream outStream)

interpretCrioString

public void interpretCrioString(String cRioString)

Take a look at the text content output from the cRio and see if it indicates an error. Errors are picked up here even when the network is failing due to UDP and TCP port problems.

Parameters:

completeString -