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Merge branch 'master' of ssh://git@gogs.informatik.hs-fulda.de/srieger/verteilte-systeme-bsc-ai-examples.git

master
Sebastian Rieger 6 years ago
parent
fb6f643764 a27ab78402
commit
c80a7ebdd9
19 changed files with 666 additions and 400 deletions
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  1. BIN
      VerteilteSysteme-Examples/build/RMIEchoServer.jar
  2. BIN
      VerteilteSysteme-Examples/build/RMIMandelbrotCalculationsServer.jar
  3. BIN
      VerteilteSysteme-Examples/build/TCPPerfServer.jar
  4. BIN
      VerteilteSysteme-Examples/build/TCPServer.jar
  5. BIN
      VerteilteSysteme-Examples/build/TCPServerMulti.jar
  6. BIN
      VerteilteSysteme-Examples/build/TCPTimeCounterRESTServer.jar
  7. BIN
      VerteilteSysteme-Examples/build/TCPTimeCounterServer.jar
  8. BIN
      VerteilteSysteme-Examples/build/UDPServer.jar
  9. BIN
      VerteilteSysteme-Examples/build/UDPServerMulti.jar
  10. BIN
      VerteilteSysteme-Examples/build/UDPTimeCounterServer.jar
  11. 38
      VerteilteSysteme-Examples/src/verteiltesysteme/aws/TCPTimeCounterRESTServer.java
  12. 27
      VerteilteSysteme-Examples/src/verteiltesysteme/aws/TCPTimeCounterRESTService.java
  13. 202
      VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/MGuiRMI.java
  14. 3
      VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/RMIMandelbrotCalculationsServer.java
  15. 115
      VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/RMIMandelbrotCalculationsServer2.java
  16. 2
      VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/TCPClient.java
  17. 4
      VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/TCPServer.java
  18. 2
      VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/UDPClient.java
  19. 3
      VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/UDPServer.java

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VerteilteSysteme-Examples/build/RMIEchoServer.jar
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VerteilteSysteme-Examples/build/RMIMandelbrotCalculationsServer.jar
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VerteilteSysteme-Examples/build/TCPPerfServer.jar
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VerteilteSysteme-Examples/build/TCPServer.jar
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VerteilteSysteme-Examples/build/TCPServerMulti.jar
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VerteilteSysteme-Examples/build/TCPTimeCounterRESTServer.jar
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VerteilteSysteme-Examples/build/TCPTimeCounterServer.jar
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VerteilteSysteme-Examples/build/UDPServer.jar
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VerteilteSysteme-Examples/build/UDPServerMulti.jar
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VerteilteSysteme-Examples/build/UDPTimeCounterServer.jar
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38
VerteilteSysteme-Examples/src/verteiltesysteme/aws/TCPTimeCounterRESTServer.java
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@ -1,26 +1,46 @@
/* Beispiel angelehnt an http://www.torsten-horn.de/techdocs/jee-rest.htm */ /* Beispiel angelehnt an http://www.torsten-horn.de/techdocs/jee-rest.htm */
package verteiltesysteme.aws; package verteiltesysteme.aws;
import java.io.ByteArrayOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.PrintStream;
import java.net.URI; import java.net.URI;
import org.glassfish.grizzly.http.server.ErrorPageGenerator;
import org.glassfish.grizzly.http.server.HttpServer; import org.glassfish.grizzly.http.server.HttpServer;
import org.glassfish.grizzly.http.server.Request;
import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory; import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
import org.glassfish.jersey.server.ResourceConfig; import org.glassfish.jersey.server.ResourceConfig;
public class TCPTimeCounterRESTServer
{
public static void main( String[] args ) throws IOException, InterruptedException
{
String baseUrl = ( args.length > 0 ) ? args[0] : "http://0.0.0.0:36042";
public class TCPTimeCounterRESTServer {
public static void main(String[] args) throws IOException, InterruptedException {
String baseUrl = (args.length > 0) ? args[0] : "http://0.0.0.0:36042";
final HttpServer server = GrizzlyHttpServerFactory.createHttpServer(
URI.create( baseUrl ), new ResourceConfig( TCPTimeCounterRESTService.class ), false );
Runtime.getRuntime().addShutdownHook( new Thread( new Runnable() {
final HttpServer server = GrizzlyHttpServerFactory.createHttpServer(URI.create(baseUrl),
new ResourceConfig(TCPTimeCounterRESTService.class), false);
Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
@Override @Override
public void run() { public void run() {
server.shutdownNow(); server.shutdownNow();
} }
} ) );
}));
ErrorPageGenerator epg = new ErrorPageGenerator() {
@Override
public String generate(Request request, int status, String reasonPhrase, String description,
Throwable exception) {
StringBuilder sb = new StringBuilder();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
exception.printStackTrace(ps);
ps.close();
sb.append(new String(baos.toByteArray()));
System.out.println(sb.toString());
return sb.toString();
}
};
server.getServerConfiguration().setDefaultErrorPageGenerator(epg);
server.start(); server.start();
System.out.println("Grizzly-HTTP-Server gestartet"); System.out.println("Grizzly-HTTP-Server gestartet");

27
VerteilteSysteme-Examples/src/verteiltesysteme/aws/TCPTimeCounterRESTService.java
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@ -14,18 +14,15 @@ public class TCPTimeCounterRESTService {
static final String bucketName = "vertsys-counter"; static final String bucketName = "vertsys-counter";
static final String bucketRegion = "eu-central-1"; static final String bucketRegion = "eu-central-1";
static final String dnsNameELB = "cloudcomp-loadbalancer-1492513132.eu-central-1.elb.amazonaws.com";
static final int portELBTarget = 36042;
private Long getCounter() { private Long getCounter() {
// Verbindung zu S3 // Verbindung zu S3
AmazonS3 s3Client = AmazonS3ClientBuilder.defaultClient();
AmazonS3 s3Client = AmazonS3ClientBuilder.standard().withRegion(bucketRegion).build();
return new Long(s3Client.getObjectAsString(bucketName, bucketRegion)); return new Long(s3Client.getObjectAsString(bucketName, bucketRegion));
} }
private boolean setCounter(Long counter) { private boolean setCounter(Long counter) {
// Verbindung zu S3 // Verbindung zu S3
AmazonS3 s3Client = AmazonS3ClientBuilder.defaultClient();
AmazonS3 s3Client = AmazonS3ClientBuilder.standard().withRegion(bucketRegion).build();
s3Client.putObject(bucketName, bucketRegion, new Long(counter).toString()); s3Client.putObject(bucketName, bucketRegion, new Long(counter).toString());
return true; return true;
} }
@ -41,8 +38,11 @@ public class TCPTimeCounterRESTService {
public String getCounterHtml() { public String getCounterHtml() {
return "<html><head><title>TCPTimeCounter REST Service</title>" + return "<html><head><title>TCPTimeCounter REST Service</title>" +
"<meta http-equiv=\"refresh\" content=\"5\"/></head><body>" + "<meta http-equiv=\"refresh\" content=\"5\"/></head><body>" +
"<h2>Cloud Computing HS Fulda - TCPTimeCounter REST Service</h2>"+
"<p><b>HTML-Output:</b> " + getCounter() + "</p></body></html>";
"<h2>HS Fulda - TCPTimeCounter REST Service</h2>"+
"<p><b>HTML-Output:</b> " + getCounter() + "</p></body>"+
"<form method=POST action=\"/counter\">" +
"<input type=\"hidden\" name=\"input\" value=\"1\">"+
"<input type=\"submit\" value=\"Increment\"></form></body></html>";
} }
@GET @GET
@ -68,12 +68,13 @@ public class TCPTimeCounterRESTService {
Long currentCounterValue = getCounter(); Long currentCounterValue = getCounter();
currentCounterValue = currentCounterValue + (new Long(input)).longValue(); currentCounterValue = currentCounterValue + (new Long(input)).longValue();
setCounter(currentCounterValue); setCounter(currentCounterValue);
return "<html><head><title>TCPTimeCounter REST Service</title></head></body>" +
"<h2>Cloud Computing HS Fulda - TCPTimeCounter REST Service</h2>" +
"<p><b>HTML-Output:</b> counter increased by " +
input + " to " + currentCounterValue + "</p>" +
"<form method=POST action=\"http://" + dnsNameELB + ":" + portELBTarget + webContextPath +"\">" +
"<input name=\"input\" value=\"\"></form></body></html>";
return "<html><head><title>TCPTimeCounter REST Service</title>" +
"<meta http-equiv=\"refresh\" content=\"5\"/></head><body>" +
"<h2>HS Fulda - TCPTimeCounter REST Service</h2>"+
"<p><b>HTML-Output:</b> " + getCounter() + "</p></body>"+
"<form method=POST action=\"/counter\">" +
"<input type=\"hidden\" name=\"input\" value=\"1\">"+
"<input type=\"submit\" value=\"Increment\"></form></body></html>";
} }
@POST @POST

202
VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/MGuiRMI.java
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@ -62,6 +62,115 @@ class MyJLabel extends JLabel {
} }
class RMIMandelbrotCalculationThread extends Thread {
MyJLabel view;
RMIMandelbrotCalculationsInterface remoteCalcObj;
int boxULx, boxULy, boxW, boxH;
public static int RESX = 600;
public static int RESY = 600;
Boolean upperPart;
int maxIterations;
RMIMandelbrotCalculationThread(Boolean upperPart, MyJLabel view, RMIMandelbrotCalculationsInterface remoteCalcObj, int maxIterations) {
this.view = view;
this.remoteCalcObj = remoteCalcObj;
this.upperPart = upperPart;
this.maxIterations = maxIterations;
}
// visualization related stuff, do not touch!
int[] generateLookupTable(int nrHues) {
int[] tmp = new int[nrHues + 1];
int cycle = 2048;
for (int i = 0; i < nrHues; i++) {
float hue = 1 * ((float) (i % cycle)) / cycle/* ((float)nrHues) */ ;
tmp[i] = Color.HSBtoRGB(hue, 0.8f, 1.0f);
}
tmp[0] = Color.HSBtoRGB(0f, 1.0f, 0.0f);
return tmp;
}
public void run() {
try {
long timestampStart = System.currentTimeMillis();
double ULx = this.remoteCalcObj.getULx();
double ULy = this.remoteCalcObj.getULy();
double LRx = this.remoteCalcObj.getLRx();
double LRy = this.remoteCalcObj.getLRy();
System.out.println("actual="+ULx + "/" + ULy + "/" + LRx + "/" + LRy);
double w = LRx - ULx;
double h = LRy - ULy;
// AG change define box such that it contains only upper half of apple man :-)
if (this.upperPart == true)
{
boxULx = 0 ; boxULy = 0; boxW = MGuiRMI.RESX ; boxH = MGuiRMI.RESY/2;
}
else
{
// for lower half:
boxULx = 0 ; boxULy = RESY/2; boxW = RESX ; boxH = RESY/2;
}
ULx = ULx + w * this.boxULx / (double) MGuiRMI.RESX;
ULy = ULy + h * this.boxULy / (double) MGuiRMI.RESY;
w *= this.boxW / (double) (RESX);
h *= this.boxH / (double) (RESY);
LRx = ULx + w;
LRy = ULy + h;
System.out.println("computed="+ULx + "/" + ULy + "/" + LRx + "/" + LRy);
this.boxULx = 0;
this.boxULy = 0;
this.boxW = MGuiRMI.RESX;
this.boxH = MGuiRMI.RESY;
this.remoteCalcObj.setView(ULx, ULy, LRx, LRy);
// end alex
int[] colors = null;
this.remoteCalcObj.iterateAllPoints(this.maxIterations * 1000, MGuiRMI.RESX, MGuiRMI.RESY/2);
/*
int[] lookupTable = generateLookupTable(this.maxIterations.getValue() * 1000);
colors = new int[MGuiRMI.RESX * MGuiRMI.RESY];
MGuiRMI.applyLookupTable(remoteCalcObj.getResult(), colors, lookupTable);
BufferedImage colorImage = new BufferedImage(MGuiRMI.RESX, MGuiRMI.RESY, BufferedImage.TYPE_INT_ARGB);
colorImage.setRGB(0, 0, MGuiRMI.RESX, MGuiRMI.RESY, colors, 0, MGuiRMI.RESX);
this.view.setIcon(new ImageIcon(colorImage));
this.view.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.view.repaint();
long timestampEnd = System.currentTimeMillis();
String timeElapsed = "Dauer: " + ((timestampEnd - timestampStart) / 1000.0) + " sec";
System.out.println(timeElapsed);
this.message.setText(timeElapsed);
* */
int[] lookupTable = generateLookupTable(this.maxIterations * 1000);
colors = new int[MGuiRMI.RESX * MGuiRMI.RESY/2];
MGuiRMI.applyLookupTable(remoteCalcObj.getResult(), colors, lookupTable);
BufferedImage colorImage = new BufferedImage(MGuiRMI.RESX, MGuiRMI.RESY/2, BufferedImage.TYPE_INT_ARGB);
colorImage.setRGB(0, 0, MGuiRMI.RESX, MGuiRMI.RESY/2, colors, 0, MGuiRMI.RESX);
this.view.setIcon(new ImageIcon(colorImage));
long timestampEnd = System.currentTimeMillis();
String timeElapsed = "Zeit: " + ((timestampEnd - timestampStart) / 1000.0) + " sec";
System.out.println(timeElapsed);
//this.view.setText(timeElapsed);
} catch (RemoteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, MouseMotionListener { public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, MouseMotionListener {
// GUI elements // GUI elements
@ -72,7 +181,8 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
JButton calcButton; JButton calcButton;
JTextField hostTextField; JTextField hostTextField;
JSlider maxIterations; JSlider maxIterations;
MyJLabel view;
MyJLabel viewUpper;
MyJLabel viewLower;
JLabel message; JLabel message;
int nrIterations; int nrIterations;
@ -82,6 +192,7 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
// this one does all the calculating work // this one does all the calculating work
RMIMandelbrotCalculationsInterface remoteCalcObj; RMIMandelbrotCalculationsInterface remoteCalcObj;
RMIMandelbrotCalculationsInterface remoteCalcObj2;
// how many points in the image? // how many points in the image?
// change if you want a higher resolution // change if you want a higher resolution
@ -104,10 +215,12 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
this.frame.add(this.panel); this.frame.add(this.panel);
this.frame.setSize(700, 720); this.frame.setSize(700, 720);
this.frame.setVisible(true); this.frame.setVisible(true);
this.view = new MyJLabel();
this.viewUpper = new MyJLabel();
this.viewLower = new MyJLabel();
this.maxIterations = new JSlider(0, 50, 30); this.maxIterations = new JSlider(0, 50, 30);
this.panel.add(this.maxIterations); this.panel.add(this.maxIterations);
this.panel.add(this.view);
this.panel.add(this.viewUpper);
this.panel.add(this.viewLower);
this.message = new JLabel("Status"); this.message = new JLabel("Status");
this.message.setBorder(new BevelBorder(BevelBorder.LOWERED)); this.message.setBorder(new BevelBorder(BevelBorder.LOWERED));
this.frame.add(this.message,BorderLayout.SOUTH); this.frame.add(this.message,BorderLayout.SOUTH);
@ -121,8 +234,10 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
this.maxIterations.setPaintTicks(true); this.maxIterations.setPaintTicks(true);
this.maxIterations.setPaintLabels(true); this.maxIterations.setPaintLabels(true);
this.view.addMouseListener(this);
this.view.addMouseMotionListener(this);
this.viewUpper.addMouseListener(this);
this.viewUpper.addMouseMotionListener(this);
this.viewLower.addMouseListener(this);
this.viewLower.addMouseMotionListener(this);
this.boxULx = 0; this.boxULx = 0;
this.boxULy = 0; this.boxULy = 0;
@ -135,18 +250,6 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
this.nrIterations = 1000; this.nrIterations = 1000;
} }
// visualization related stuff, do not touch!
int[] generateLookupTable(int nrHues) {
int[] tmp = new int[nrHues + 1];
int cycle = 2048;
for (int i = 0; i < nrHues; i++) {
float hue = 1 * ((float) (i % cycle)) / cycle/* ((float)nrHues) */ ;
tmp[i] = Color.HSBtoRGB(hue, 0.8f, 1.0f);
}
tmp[0] = Color.HSBtoRGB(0f, 1.0f, 0.0f);
return tmp;
}
// visualization // visualization
static void applyLookupTable(int[] data, int[] dest, int[] lookupTable) { static void applyLookupTable(int[] data, int[] dest, int[] lookupTable) {
for (int i = 0; i < data.length; i++) { for (int i = 0; i < data.length; i++) {
@ -164,16 +267,19 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
if (ae.getSource() == this.backButton) { if (ae.getSource() == this.backButton) {
System.out.println("Zurueck"); System.out.println("Zurueck");
// Zoom und Ausschnitt zurücksetzen // Zoom und Ausschnitt zurücksetzen
double ULx = -0.16099999999999995;
double ULy = -0.9365333333333333;
double LRx = -0.03533333333333327;
double LRy = -0.8108666666666666;
double ULx = -2;
double ULy = 2;
double LRx = 2;
double LRy = -2;
this.boxULx = 0; this.boxULx = 0;
this.boxULy = 0; this.boxULy = 0;
this.boxW = MGuiRMI.RESX; this.boxW = MGuiRMI.RESX;
this.boxH = MGuiRMI.RESY; this.boxH = MGuiRMI.RESY;
this.view.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.view.repaint();
this.viewUpper.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.viewUpper.repaint();
this.viewLower.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.viewLower.repaint();
if (this.remoteCalcObj == null) if (this.remoteCalcObj == null)
{ {
String message = "Fehler: noch nicht verbunden, noch keine Berechnung durchgeführt"; String message = "Fehler: noch nicht verbunden, noch keine Berechnung durchgeführt";
@ -190,6 +296,22 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
} }
this.message.setText("Ausschnitt zurückgesetzt"); this.message.setText("Ausschnitt zurückgesetzt");
} }
if (this.remoteCalcObj2 == null)
{
String message = "Fehler: noch nicht verbunden, noch keine Berechnung durchgeführt";
this.message.setText(message);
System.out.println(message);
}
else
{
try {
this.remoteCalcObj2.setView(ULx, ULy, LRx, LRy);
} catch (RemoteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.message.setText("Ausschnitt zurückgesetzt");
}
} else } else
if (ae.getSource() == this.calcButton) { if (ae.getSource() == this.calcButton) {
@ -198,6 +320,9 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
try { try {
Registry registry = LocateRegistry.getRegistry(hostname); Registry registry = LocateRegistry.getRegistry(hostname);
this.remoteCalcObj = (RMIMandelbrotCalculationsInterface) registry.lookup("RMIMandelbrotCalculationsInterface"); this.remoteCalcObj = (RMIMandelbrotCalculationsInterface) registry.lookup("RMIMandelbrotCalculationsInterface");
this.remoteCalcObj2 = (RMIMandelbrotCalculationsInterface) registry.lookup("RMIMandelbrotCalculationsInterface2");
/** CODE SEBASTIAN
System.out.println("Rechnen"); System.out.println("Rechnen");
long timestampStart = System.currentTimeMillis(); long timestampStart = System.currentTimeMillis();
@ -231,23 +356,16 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
//this.remoteCalcObj.setView(ULx, ULy, LRx, LRy); //this.remoteCalcObj.setView(ULx, ULy, LRx, LRy);
this.remoteCalcObj.setView(ULx, ULy, LRx, LRy); this.remoteCalcObj.setView(ULx, ULy, LRx, LRy);
this.remoteCalcObj.iterateAllPoints(this.maxIterations.getValue() * 1000, MGuiRMI.RESX, MGuiRMI.RESY);
int[] lookupTable = generateLookupTable(this.maxIterations.getValue() * 1000);
colors = new int[MGuiRMI.RESX * MGuiRMI.RESY];
MGuiRMI.applyLookupTable(remoteCalcObj.getResult(), colors, lookupTable);
BufferedImage colorImage = new BufferedImage(MGuiRMI.RESX, MGuiRMI.RESY, BufferedImage.TYPE_INT_ARGB);
colorImage.setRGB(0, 0, MGuiRMI.RESX, MGuiRMI.RESY, colors, 0, MGuiRMI.RESX);
this.view.setIcon(new ImageIcon(colorImage));
this.view.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.view.repaint();
end */
/* Code Alex */
System.out.println("Rechnen");
long timestampEnd = System.currentTimeMillis();
RMIMandelbrotCalculationThread rmimct = new RMIMandelbrotCalculationThread(true, this.viewUpper, this.remoteCalcObj, maxIterations.getValue());
new Thread(rmimct).start();
RMIMandelbrotCalculationThread rmimct2 = new RMIMandelbrotCalculationThread(false, this.viewLower, this.remoteCalcObj2, maxIterations.getValue());
new Thread(rmimct2).start();
String timeElapsed = "Dauer: " + ((timestampEnd - timestampStart) / 1000.0) + " sec";
System.out.println(timeElapsed);
this.message.setText(timeElapsed);
} catch (RemoteException | NotBoundException e) { } catch (RemoteException | NotBoundException e) {
// TODO Auto-generated catch block // TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
@ -256,12 +374,14 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
} }
} }
// Zoom not wirking for lower...
public void mousePressed(MouseEvent e) { public void mousePressed(MouseEvent e) {
this.boxULx = e.getX(); this.boxULx = e.getX();
this.boxULy = e.getY(); this.boxULy = e.getY();
this.boxW = 1; this.boxW = 1;
this.boxH = 1; this.boxH = 1;
this.view.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.viewUpper.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.message.setText("boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH); this.message.setText("boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH);
} }
@ -271,15 +391,15 @@ public class MGuiRMI implements ActionListener, ChangeListener, MouseListener, M
int m = Math.min(boxW, boxH); int m = Math.min(boxW, boxH);
this.boxW = m; this.boxW = m;
this.boxH = m; this.boxH = m;
this.view.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.viewUpper.setBox(this.boxULx, this.boxULy, this.boxW, this.boxH);
this.message.setText("boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH); this.message.setText("boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH);
this.view.repaint();
this.viewUpper.repaint();
} }
public void mouseReleased(MouseEvent e) { public void mouseReleased(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON1) { if (e.getButton() == MouseEvent.BUTTON1) {
this.view.repaint();
this.viewUpper.repaint();
this.message.setText("Gesetzt: boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH); this.message.setText("Gesetzt: boxULx: " + this.boxULx + " boxULy: " + this.boxULy + " boxW: " + this.boxW + " boxH: " + this.boxH);
} }
} }

3
VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/RMIMandelbrotCalculationsServer.java
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@ -84,8 +84,7 @@ public class RMIMandelbrotCalculationsServer implements RMIMandelbrotCalculation
protected int[] result = null; protected int[] result = null;
// der augenblicklich gewaehlte Ausschnitt // der augenblicklich gewaehlte Ausschnitt
//double ULx = -2, ULy = -2, LRx = 2, LRy = 2;
double ULx = -0.16099999999999995, ULy = -0.9365333333333333, LRx = -0.03533333333333327, LRy = -0.8108666666666666;
double ULx = -2, ULy = 2, LRx = 2, LRy = -2;
int iterateOnePoint(Complex c, int maxIterations, double maxModulus) { int iterateOnePoint(Complex c, int maxIterations, double maxModulus) {
Complex z = new Complex(0., 0.); Complex z = new Complex(0., 0.);

115
VerteilteSysteme-Examples/src/verteiltesysteme/mandelbrot/rmi/RMIMandelbrotCalculationsServer2.java
View File

@ -0,0 +1,115 @@
package verteiltesysteme.mandelbrot.rmi;
//import java.io.IOException;
//import java.net.InetAddress;
//import java.net.ServerSocket;
//import java.net.Socket;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
//import java.rmi.server.RMISocketFactory;
import java.rmi.server.UnicastRemoteObject;
/*
class LoopbackSocketFactory extends RMISocketFactory {
public ServerSocket createServerSocket(int port) throws IOException {
return new ServerSocket(port, 5, InetAddress.getByName("127.0.0.1"));
}
public Socket createSocket(String host, int port) throws IOException {
// just call the default client socket factory
return RMISocketFactory.getDefaultSocketFactory()
.createSocket(host, port);
}
}
*/
public class RMIMandelbrotCalculationsServer2 implements RMIMandelbrotCalculationsInterface {
public RMIMandelbrotCalculationsServer2() {}
public static void main(String args[]) {
try {
//RMISocketFactory.setSocketFactory(new LoopbackSocketFactory());
RMIMandelbrotCalculationsServer2 obj = new RMIMandelbrotCalculationsServer2();
RMIMandelbrotCalculationsInterface stub = (RMIMandelbrotCalculationsInterface) UnicastRemoteObject.exportObject(obj, 0);
// Bind the remote object's stub in the registry
Registry registry = LocateRegistry.getRegistry();
registry.bind("RMIMandelbrotCalculationsInterface2", stub);
System.err.println("Server ready");
} catch (Exception e) {
System.err.println("Server exception: " + e.toString());
e.printStackTrace();
}
}
// hier wird das Ergebnis von iterateAll() gespeichert
protected int[] result = null;
// der augenblicklich gewaehlte Ausschnitt
double ULx = -2, ULy = 2, LRx = 2, LRy = -2;
int iterateOnePoint(Complex c, int maxIterations, double maxModulus) {
Complex z = new Complex(0., 0.);
for (int i = 0; i < maxIterations; i++) {
z.mulBy(z);
z.add(c);
double m = z.absValue();
if (m > maxModulus) {
return i;
}
}
return maxIterations;
}
public void iterateAllPoints(int maxIterations, double nrPointsX, double nrPointsY) {
this.result = new int[(int) (nrPointsX * nrPointsY)];
int counter = 0;
double stepX = (this.LRx - this.ULx) / nrPointsX;
double stepY = (this.LRy - this.ULy) / nrPointsY;
double i = this.ULy;
for (int cy = 0; cy < nrPointsY; cy++) {
double r = this.ULx;
for (int cx = 0; cx < nrPointsX; cx++) {
Complex c = new Complex(r, i);
this.result[counter] = maxIterations - this.iterateOnePoint(c, maxIterations, 2.0);
counter += 1;
r += stepX;
}
i += stepY;
}
}
public int[] getResult() {
return this.result;
}
public double getULx() {
return this.ULx;
}
public double getLRx() {
return this.LRx;
}
public double getULy() {
return this.ULy;
}
public double getLRy() {
return this.LRy;
}
public void setView(double ULx, double ULy, double LRx, double LRy) {
this.ULx = ULx;
this.ULy = ULy;
this.LRx = LRx;
this.LRy = LRy;
}
}

2
VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/TCPClient.java
View File

@ -18,6 +18,8 @@ class TCPClient {
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream()); DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
System.out.println("Enter message to sent to the server:");
sentence = inFromUser.readLine(); sentence = inFromUser.readLine();
outToServer.writeBytes(sentence + '\n'); outToServer.writeBytes(sentence + '\n');
modifiedSentence = inFromServer.readLine(); modifiedSentence = inFromServer.readLine();

4
VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/TCPServer.java
View File

@ -15,9 +15,13 @@ class TCPServer {
@SuppressWarnings("resource") @SuppressWarnings("resource")
ServerSocket welcomeSocket = new ServerSocket(tcpPort); ServerSocket welcomeSocket = new ServerSocket(tcpPort);
System.out.println("TCP Server started. Waiting for incoming requests...");
while (true) { while (true) {
Socket connectionSocket = welcomeSocket.accept(); Socket connectionSocket = welcomeSocket.accept();
System.out.println("Received request from client " + connectionSocket.getInetAddress() + ":" + connectionSocket.getPort() + " generating response...");
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream())); BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream()); DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream());

2
VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/UDPClient.java
View File

@ -15,6 +15,8 @@ class UDPClient {
byte[] sendData = new byte[1024]; byte[] sendData = new byte[1024];
byte[] receiveData = new byte[1024]; byte[] receiveData = new byte[1024];
System.out.println("Enter message to sent to the server:");
String sentence = inFromUser.readLine(); String sentence = inFromUser.readLine();
sendData = sentence.getBytes(); sendData = sentence.getBytes();

3
VerteilteSysteme-Examples/src/verteiltesysteme/socket/simple/UDPServer.java
View File

@ -12,6 +12,8 @@ class UDPServer {
byte[] receiveData = new byte[1024]; byte[] receiveData = new byte[1024];
byte[] sendData = new byte[1024]; byte[] sendData = new byte[1024];
System.out.println("UDP Server started. Waiting for incoming requests...");
while (true) { while (true) {
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length); DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
serverSocket.receive(receivePacket); serverSocket.receive(receivePacket);
@ -20,6 +22,7 @@ class UDPServer {
InetAddress IPAddress = receivePacket.getAddress(); InetAddress IPAddress = receivePacket.getAddress();
int clientSrcPort = receivePacket.getPort(); int clientSrcPort = receivePacket.getPort();
System.out.println("Received request from client " + IPAddress + ":" + clientSrcPort + " generating response...");
String capitalizedSentence = sentence.toUpperCase(); String capitalizedSentence = sentence.toUpperCase();
sendData = capitalizedSentence.getBytes(); sendData = capitalizedSentence.getBytes();

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