/* * @(#)ByteStatistics.java	1.1 98/06/02 SMI * * Author: Tom Corson * * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license  * to use, modify and redistribute this software in source and binary * code form, provided that i) this copyright notice and license appear * on all copies of the software; and ii) Licensee does not utilize the * software in a manner which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE * SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS * BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, * HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING * OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control * of aircraft, air traffic, aircraft navigation or aircraft * communications; or in the design, construction, operation or * maintenance of any nuclear facility. Licensee represents and * warrants that it will not use or redistribute the Software for such * purposes. */import java.awt.Panel;import java.awt.BorderLayout;import javax.comm.ParallelPort;public class ByteStatistics extends Panel{	private BufferSize	buffer;	private ByteCounter	counter,				rate;	private	long		lastTime,				lastBaudRate,				lastCount;	private int		bitsPerCharacter;	private boolean		avgRate,				inputBuffer;	private ParallelPort	port;	public ByteStatistics(String		text,			      int		size,			      ParallelPort	port,			      boolean		inputBuffer,			      boolean   	average)	{		super();		this.inputBuffer = inputBuffer;		this.setLayout(new BorderLayout());		counter = new ByteCounter(text, size);		this.add("West", counter);		rate = new ByteCounter("Baud Rate", 6);		this.add("East", rate);		buffer = new BufferSize(6, port, inputBuffer);		this.add("Center", buffer);		this.setBitsPerCharacter(10);		this.setPort(port);		this.lastTime = 0;		this.lastCount = 0;		this.lastBaudRate = 0;		if (average)		{			this.avgRate = true;		}		else 		{			this.avgRate = false;		}	}	public ByteStatistics(String		text,			      int		size,			      ParallelPort	port,			      boolean		inputBuffer)	{		this(text, size, port, inputBuffer, true);	}	public void setPort(ParallelPort	port)	{		this.port = port;		this.buffer.setPort(port);	}	public void setBitsPerCharacter(int	val)	{		this.bitsPerCharacter = val;	}	public void showValues()	{		this.buffer.showValue();	}	public void clearValues()	{		this.buffer.setValue(0);		this.counter.setValue(0);		this.rate.setValue(0);	}	public long getValue()	{		return this.counter.getValue();	}	public void setValue(long	val)	{		if (val == 0)		{			this.resetRate();		}		this.counter.setValue(val);		this.setRate();	}	public void incrementValue(long	val)	{		this.counter.incrementValue(val);		this.setRate();	}	public void resetRate()	{/*		if (port != null)		{			if (inputBuffer)			{				System.out.println("Reseting receive baud rate for "						  + port.getName());			}				else			{				System.out.println("Reseting transmit baud rate for "						  + port.getName());			}		}*/		this.lastTime = 0;		this.lastBaudRate = 0;	}	private void setRate()	{		long	baudRate,			time = System.currentTimeMillis(),			val = this.counter.getValue();		if ((this.rate.getValue() == 0) && (this.lastBaudRate != 0))		{			this.resetRate();		}		if ((this.lastTime == 0) || (val == 0)		 || (val < this.lastCount))		{			this.lastTime = time;			this.lastCount = val;		}		else if (time > this.lastTime)		{			baudRate = ((val - this.lastCount)				 * this.bitsPerCharacter * 1000)				 / (time - this.lastTime);//		System.out.println("((" + val + " - " + this.lastCount + ")"//				   + " * " + this.bitsPerCharacter//				   + " * 1000 ) / "//				   + "(" + time + " - " + this.lastTime + ")");			if (this.avgRate)			{				/*				 *  This is a silly hack to auto-reset 				 *  the counter if the user stops transmitting				 */				if (inputBuffer && (baudRate < 10))				{					this.resetRate();				}			}			else			{				this.lastCount = val;				this.lastTime = time;			}			this.rate.setValue((int) baudRate);			this.lastBaudRate = baudRate;		}	}}