workbench.xmlutilities

Class FecServer

java.lang.Object

workbench.xmlutilities.FecServer

All Implemented Interfaces:

Runnable

public class FecServer
extends Object
implements Runnable

Sets up a server then decodes *.xsbc files encoded with Forward Error Correction (FEC) on the fly.

Version:

$Id: FecServer.java 8020 2012-07-03 01:37:06Z brutzman $

History:

     Date:     11 APR 2005
     Time:     1023:20
     Author:   Terry D. Norbraten
     Comments: New

     Date:     October 03, 2005
     Time:     2252
     Author:   Terry Norbraten
     Comments: Mod. to pass schema location to FecDecoder.  Now imports
               FecDecoder class from the xsbc1.4.jar.

     Date:     June 12, 2006
     Time:     0903
     Author:   Terry Norbraten
     Comments: Mod. to replace sysouts with log4j statements, rename relative
               path to AVCL schema location
   

Author:

Terry Norbraten, NPS MOVES

Contact: Don Brutzman (web.nps.navy.mil/~brutzman) brutzman@nps.navy.mil

See Also:

workbench.xmlutilities

Field Summary

Fields

Modifier and Type	Field and Description
static String	AVCLSCHEMA Location of AVCL schema for use by XSBC routines
static int	DEFAULT_PORT Local port designation
static int	FEC_K Default FEC Parameter K value
static int	FEC_N Default FEC Parameter N value
static int	FEC_PACKET_SIZE Default FEC Parameter packet size value
protected int	fecK
protected int	fecN
protected int	fecPacketSize
protected int	port

Method Summary

Methods

Modifier and Type	Method and Description
protected static FecServer	getInstance()
static FecServer	getInstance(int port, int k, int n, int pSize) Returns a copy of the current server or a new one if it doesn't exist.
void	run() On the fly thread FEC decoding routine
void	stop() Closes the existing server socket and stops execution of the thread

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PORT

public static final int DEFAULT_PORT

Local port designation

See Also:

Constant Field Values

FEC_K

public static final int FEC_K

Default FEC Parameter K value

See Also:

Constant Field Values

FEC_N

public static final int FEC_N

Default FEC Parameter N value

See Also:

Constant Field Values

FEC_PACKET_SIZE

public static final int FEC_PACKET_SIZE

Default FEC Parameter packet size value

See Also:

Constant Field Values

AVCLSCHEMA

public static final String AVCLSCHEMA

Location of AVCL schema for use by XSBC routines

fecK

protected int fecK

fecN

protected int fecN

fecPacketSize

protected int fecPacketSize

port

protected int port

Method Detail

stop

public void stop()

Closes the existing server socket and stops execution of the thread

getInstance

public static FecServer getInstance(int port,
                    int k,
                    int n,
                    int pSize)
                             throws IOException

Returns a copy of the current server or a new one if it doesn't exist. If the new parameters are different than the current one, they are changed (i.e. old socket is closed and a new one is opened).

Parameters:

port - the port to receive UDP packets from

k - the FEC Parameter K

n - the FEC Parameter N

pSize - the FEC Parameter packetSize

Returns:

a single instance of this FEC Server only

Throws:

IOException

getInstance

protected static FecServer getInstance()
                                throws IOException

Returns:

an instance of this FEC Server

Throws:

IOException

run

public void run()

On the fly thread FEC decoding routine

Specified by:

run in interface Runnable