diff --git a/projects/Assignments/homework2/Blankenbeker HW 2 UML.docx b/projects/Assignments/homework2/Blankenbeker HW 2 UML.docx
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diff --git a/projects/Assignments/homework2/BlankenbekerMulticastReceiver.java b/projects/Assignments/homework2/BlankenbekerMulticastReceiver.java
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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+
+/**
+ *
+ * @author Michael
+ */
+public class BlankenbekerMulticastReceiver {
+
+ public static final String MULTICAST_ADDRESS = "239.1.2.15";
+ public static final int DESTINATION_PORT = 1717;
+ /** How many routers can be crossed */
+ public static final int TTL = 10;
+
+ public static void main(String[] args)
+ {
+ try
+ {
+
+ // This is a java/IPv6 problem. You should also add it to the
+ // arguments used to start the app, eg -Djava.net.preferIPv4Stack=true
+ // set in the "run" section of preferences. Also, typically
+ // netbeans must be restarted after these settings.
+ // https://stackoverflow.com/questions/18747134/getting-cant-assign-requested-address-java-net-socketexception-using-ehcache
+ System.setProperty("java.net.preferIPv4Stack", "true");
+
+
+ MulticastSocket multicastSocket = new MulticastSocket(DESTINATION_PORT);
+ multicastSocket.setTimeToLive(TTL);
+ InetAddress multicastAddress = InetAddress.getByName(MULTICAST_ADDRESS);
+ System.out.println(multicastAddress);
+ // Join group useful on receiving side
+ multicastSocket.joinGroup(multicastAddress);
+ // You can join multiple groups here
+
+ int count = 0;
+
+ while(true)
+ {
+ byte[] packetArray = new byte[1500];
+ DatagramPacket packet = new DatagramPacket(packetArray, packetArray.length);
+
+ multicastSocket.receive(packet);
+ count++;
+
+ ByteArrayInputStream bais = new ByteArrayInputStream(packet.getData());
+ DataInputStream dis = new DataInputStream(bais);
+ float firstNumber = dis.readFloat();
+ float secondNumber = dis.readFloat();
+ float thirdNumber = dis.readFloat();
+
+ System.out.println("Number received: " + count + " Vehicle position is: (" + firstNumber + ", " + secondNumber+", "+thirdNumber+")");
+ }
+ }
+ catch(Exception e)
+ {
+ System.out.println(e);
+ }
+ }
+
+}
diff --git a/projects/Assignments/homework2/BlankenbekerMulticastSender.java b/projects/Assignments/homework2/BlankenbekerMulticastSender.java
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index 0000000000000000000000000000000000000000..4207b1799abaad4ea1daa672e737ea9a5f1ddf95
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+++ b/projects/Assignments/homework2/BlankenbekerMulticastSender.java
@@ -0,0 +1,92 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+
+/**
+ *
+ * @author Michael
+ */
+public class BlankenbekerMulticastSender {
+
+ public static final String MULTICAST_ADDRESS = "239.1.2.15";
+ public static final int DESTINATION_PORT = 1717;
+ /** How many routers can be crossed */
+ public static final int TTL = 10;
+
+ public static void main(String[] args)
+ {
+ Truck truck = new Truck();
+ while (true) {
+ truck.move();
+ try
+ {
+ // This is a java/IPv6 problem. You should also add it to the
+ // arguments used to start the app, eg -Djava.net.preferIPv4Stack=true
+ // set in the "run" section of preferences. Also, typically
+ // netbeans must be restarted after these settings.
+ // https://stackoverflow.com/questions/18747134/getting-cant-assign-requested-address-java-net-socketexception-using-ehcache
+ System.setProperty("java.net.preferIPv4Stack", "true");
+
+
+
+ MulticastSocket multicastSocket = new MulticastSocket(1718);
+ multicastSocket.setTimeToLive(TTL);
+ InetAddress multicastAddress = InetAddress.getByName(MULTICAST_ADDRESS);
+ System.out.println(multicastAddress);
+ // Join group useful on receiving side
+ multicastSocket.joinGroup(multicastAddress);
+ // You can join multiple groups here
+
+ // Put together a message with binary content. "ByteArrayOutputStream"
+ // is a java.io utility that lets us put together an array of binary
+ // data, which we put into the UDP packet.
+
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ float x = truck.getX();
+ float y = truck.getY();
+ float z = truck.getZ();
+
+ dos.writeFloat(x);
+ dos.writeFloat(y);
+ dos.writeFloat(z);
+
+ byte[] buffer = baos.toByteArray();
+
+ // Put together a packet to send
+
+ // muticast group we are sending to--not a single host
+
+ DatagramPacket packet = new DatagramPacket(buffer, buffer.length, multicastAddress, DESTINATION_PORT);
+
+ // How fast does this go? Does UDP try to slow it down, or does
+ // this cause network problems? (hint: yes for an unlimited send
+ // rate, unlike TCP). How do you know on the receiving side
+ // that you haven't received a duplicate UDP packet, out of
+ // order packet, or dropped packet?
+
+ for(int idx = 0; idx < 1; idx++)
+ {
+
+ multicastSocket.send(packet);
+ Thread.sleep(1000); // Send 100, one per second
+ System.out.println("Sent new multicast packet 1 of 1");
+ }
+ }
+ catch(Exception e)
+ {
+ System.out.println(e);
+ }
+ }
+
+}
+}
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