net.sf.freehost3270.client

Class RWTelnet

java.lang.Object

net.sf.freehost3270.client.RWTelnet

All Implemented Interfaces:

Runnable

public class RWTelnet
extends Object
implements Runnable

DOCUMENT ME!

Since:

0.1

Field Summary

Fields

Modifier and Type	Field and Description
static short	BINARY
static short	BROADCAST Custom byte for flagging the next bytes as broadcast message.
static short	DO
static short	DONT
static short	EOR
static short	IAC
static short	NOP
static short	OPT_EOR
static short	OPTION_IS
static short	SB
static short	SE
static short	SEND_OPTION
static short	TERMINAL_TYPE
static short	WILL
static short	WONT

Constructor Summary

Constructors

Constructor and Description
RWTelnet(RWTn3270StreamParser rw, int tn3270Model) DOCUMENT ME!

Method Summary

Methods

Modifier and Type	Method and Description
protected void	connect(String host, int port) Performs a direct connection to the terminal server ommiting SessionServer relay.
protected void	connect(String host, int port, String host3270, int port3270) Opens a network connection to the SessionServer.
protected void	disconnect() Disconnects the current session.
protected void	receiveMessage(short[] netBuf) Processes broadcast message.
void	run() The 'thread code' for this class.
protected void	sendData(short[] out, int outLen) This method provides outbound communication to the Telnet host.
protected void	setConnectionTimeout(int timeout) Sets the connection timeout for the connect(String,int) method.
protected void	setEncryption(boolean encryption) Turns the encryption on and off.
protected void	setSessionData(String key, String value)

Methods inherited from class java.lang.Object

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

Field Detail

SE

public static final short SE

See Also:

Constant Field Values

NOP

public static final short NOP

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Constant Field Values

SB

public static final short SB

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Constant Field Values

WILL

public static final short WILL

See Also:

Constant Field Values

WONT

public static final short WONT

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Constant Field Values

DO

public static final short DO

See Also:

Constant Field Values

DONT

public static final short DONT

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Constant Field Values

IAC

public static final short IAC

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Constant Field Values

EOR

public static final short EOR

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Constant Field Values

BINARY

public static final short BINARY

See Also:

Constant Field Values

TERMINAL_TYPE

public static final short TERMINAL_TYPE

See Also:

Constant Field Values

OPT_EOR

public static final short OPT_EOR

See Also:

Constant Field Values

OPTION_IS

public static final short OPTION_IS

See Also:

Constant Field Values

SEND_OPTION

public static final short SEND_OPTION

See Also:

Constant Field Values

BROADCAST

public static final short BROADCAST

Custom byte for flagging the next bytes as broadcast message.

See Also:

Constant Field Values

Constructor Detail

RWTelnet

public RWTelnet(RWTn3270StreamParser rw,
        int tn3270Model)

DOCUMENT ME!

Parameters:

rw - the Parser for the incoming data stream.

tn3270Model - the tn3270 model number corresponding to this session.

Method Detail

run

public void run()

The 'thread code' for this class. Consumers need to invoke this method to begin the communications process. It will run indefinitely until the socket read returns -1 (Host disconnected) or disconnect is called. Usage Thread t = new Thread(RWTelnet instance);
t.run; Any problems encountered (IOException, Host Disconnect) will be transmitted back to the consumer via the RWTnAction interface.

Specified by:

run in interface Runnable

connect

protected void connect(String host,
           int port,
           String host3270,
           int port3270)

Opens a network connection to the SessionServer.

Parameters:

host - Hostname or IP address of the SessionServer/Host

port - the port number the SessionServer/Host is running on

host3270 - the Hostname or IP address of the 3270Host (if using SessionServer)

port3270 - port number of the target terminal server.

connect

protected void connect(String host,
           int port)
                throws UnknownHostException,
                       IOException

Performs a direct connection to the terminal server ommiting SessionServer relay. added 5/12/98 to facilitate packaging of the 3270 Servlet Developer's Toolkit

Parameters:

host - destination server host name.

port - destination terminal server port number.

Throws:

UnknownHostException - DOCUMENT ME!

IOException - DOCUMENT ME!

disconnect

protected void disconnect()

Disconnects the current session.

receiveMessage

protected void receiveMessage(short[] netBuf)

Processes broadcast message. Is called when a broadcast message is received.

Parameters:

netBuf - DOCUMENT ME!

sendData

protected void sendData(short[] out,
            int outLen)
                 throws IOException

This method provides outbound communication to the Telnet host.

Parameters:

out - an array of shorts, representing the data to be sent to the host.

outLen - the number of valid bytes in the out array

Throws:

IOException - DOCUMENT ME!

setEncryption

protected void setEncryption(boolean encryption)

Turns the encryption on and off.

Parameters:

encryption - True = on False = off

setConnectionTimeout

protected void setConnectionTimeout(int timeout)

Sets the connection timeout for the connect(String,int) method.

Parameters:

timeout - integer value in seconds

setSessionData

protected void setSessionData(String key,
                  String value)