///////////////////////////////////////
//LineSimApllet
//written?by?David?Grangier?Institut?Eurecom?France
//david.grangier@eurecom.fr
///////////////////////////////////////

package?linesim;
//imports
import?java.awt.*;
import?java.awt.event.*;
import?java.awt.image.*;
import?java.applet.*;
import?java.util.*;

//applet?Class
public?class?LineSimapplet?extends?applet?{
//buttons
Button?start=new?Button?（“Start“）;
Button?stop=new?Button?（“Reset“）;
//features?lists
MyChoice?length=new?MyChoice（new?String[]?{“10?km““100?km““1000?km“}new?double[]?{10E3100E31E6}3）;
MyChoice?rate=new?MyChoice（new?String[]?{“512?kps““1?Mbps““10?Mbps““100?Mbps“}new?double[]?{512E31E610E6100E6}2）;
MyChoice?size=new?MyChoice（new?String[]?{“100?Bytes““500?Bytes““1?kBytes“}new?double[]?{8E24E38E3}1）;
//to?simulate?time
Thread?timerThread;
TickTask?timerTask;
boolean?simulationRunning=false;
//communication?line
Line?myLine;

public?void?init（）?{
??try?{
????setBackground（Color.white）;
????add（new?Label?（“Length“Label.RIGHT））;
????add（length）;
????add（new?Label（“Rate“Label.RIGHT））;
????add（rate）;
????add（new?Label（“Packet?size“Label.RIGHT））;
????add（size）;
????//start
????start.addActionListener（
??????new?ActionListener（）
??????{
????????public?void?actionPerformed?（ActionEvent?event）
????????{
??????????launchSim（）;
????????}
??????}）;
????add（start）;
????//stop
????Button?stop=new?Button?（“Reset“）;
????stop.addActionListener（
??????new?ActionListener（）
??????{
????????public?void?actionPerformed?（ActionEvent?event）
????????{
??????????stopSim（）;
??????????//clear?line
??????????myLine.sendTime（0）;
??????????//redraw?cleared?line
??????????LineSimapplet.this.repaint（）;
????????}
??????}）;
????add（stop）;
????//line
????myLine=?new?Line（405045010）;
??}
??catch（Exception?e）?{
????e.printStackTrace（）;
??}
}

public?void?paint?（Graphics?g）
{
??update（g）;?//?eliminate?flashing?:?update?is?overriden
}

public?void?update?（Graphics?g）
{?//work?on?a?offscreen?image

??Dimension?offDimension?=?getSize（）;
??Image?offImage?=?createImage（offDimension.width?offDimension.height）;
??Graphics?offGraphics?=?offImage.getGraphics（）;
??myLine.drawLine（offGraphics）;

??//sender
??offGraphics.setColor（Color.blue）;
??offGraphics.fillRect（10403030）;
??offGraphics.setColor（Color.black）;
??offGraphics.drawString（“Sender“590）;
??offGraphics.drawRect（10403030）;

??//receiver
??offGraphics.setColor（Color.blue）;
??offGraphics.fillRect（490403030）;
??offGraphics.setColor（Color.black）;
??offGraphics.drawString（“Receiver“48590）;
??offGraphics.drawRect（490403030）;

??offGraphics.drawString（“Propagation?speed?:?2.8?x?10^8?m/sec“175105）;
??//display?offscreen?image
??g.drawImage（offImage?0?0?this）;
}

private?void?launchSim（）
{
??setupEnabled（false）;
??//setup?line
??myLine.setup（length.getVal（）?rate.getVal（）?）;
??myLine.emitPacket（size.getVal（）0）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\ack.gif

?????文件???????1815??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\baseStation.class

?????文件????????966??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\bs.gif

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\busy.gif

?????文件????????932??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Channel.class

?????文件????????508??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Csma_ca_applet$1.class

?????文件????????917??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Csma_ca_applet$2.class

?????文件???????4018??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Csma_ca_applet.class

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\ctdn.gif

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\cts.gif

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\free.gif

?????文件???????3276??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\hiddenTerConf.gif

?????文件???????3438??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\MobileStation.class

?????文件????????945??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\ms.gif

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\nav.gif

?????文件???????1038??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Packet.class

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\pkt.gif

?????文件????????799??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\rts.gif

?????文件????????611??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Scenario$1.class

?????文件???????3122??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Scenario.class

?????文件???????1515??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\SimTimer.class

?????文件???????1538??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\Terminal.class

?????文件???????1522??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\TimeLine.class

?????文件???????3598??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\withhidden.html

?????文件????????382??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\ack.gif

?????文件????????179??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\baseStation.class

?????文件????????384??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\bs.gif

?????文件????????382??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\busy.gif

?????文件????????178??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\Channel.class

?????文件????????255??2007-02-08?09:38??網(wǎng)絡(luò)原理動(dòng)畫\pearsoncmg11\_vti_cnf\Csma_ca_applet.class

............此處省略230個(gè)文件信息