From e53fd4aa22451a9ca8e432c82c3afcdac8234545 Mon Sep 17 00:00:00 2001
From: "Jackson, John (LT)" <jrjackso1@nps.edu>
Date: Fri, 14 Sep 2018 12:15:41 -0700
Subject: [PATCH] Hw3 submission
---
.../homework3/Jackson_UdpReceiver.java | 52 +++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 deliverables/src/MV3500Cohort2018JulySeptember/homework3/Jackson_UdpReceiver.java
diff --git a/deliverables/src/MV3500Cohort2018JulySeptember/homework3/Jackson_UdpReceiver.java b/deliverables/src/MV3500Cohort2018JulySeptember/homework3/Jackson_UdpReceiver.java
new file mode 100644
index 0000000000..b7311cc8d5
--- /dev/null
+++ b/deliverables/src/MV3500Cohort2018JulySeptember/homework3/Jackson_UdpReceiver.java
@@ -0,0 +1,52 @@
+package MV3500Cohort2018JulySeptember.homework3;
+
+import java.io.*;
+import java.net.*;
+/**
+ * An example of receiving UDP packets. Since very often both the
+ * sender and receiver are on the same host we use different ports
+ * for each. This prevents complaints from the localhost.
+ *
+ * @author mcgredo
+ */
+public class Jackson_UdpReceiver
+{
+ public static final int SENDING_PORT = 1414;
+ public static final int RECEIVING_PORT = 1415;
+ public static final String DESINATION_HOST = "localhost";
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args)
+ {
+ try
+ {
+ System.out.println("UdpReceiver started...");
+ // Create a UDP socket
+ DatagramSocket udpSocket = new DatagramSocket(RECEIVING_PORT);
+
+ // You need a new receiving packet to read from every packet received
+ while (true)
+ {
+ byte[] receiveBuffer = new byte[15000];
+ DatagramPacket receivePacket = new DatagramPacket(receiveBuffer, receiveBuffer.length);
+ udpSocket.receive(receivePacket);
+
+ // Decode the contents by extracting the data from the packet
+ ByteArrayInputStream bais = new ByteArrayInputStream(receivePacket.getData());
+ DataInputStream dis = new DataInputStream(bais);
+
+ // What happens if you read an integer? Two double values? ***
+ String first = dis.readUTF(); // alternatives: readFloat(); readInt(); dis.readUTF();
+ //String second = dis.readUTF();
+ System.out.println(first);// + " second value: " + second);
+ }
+ }
+ catch(IOException e)
+ {
+ System.out.println("Problem with UdpReceiver, see exception trace:");
+ System.out.println(e);
+ }
+ }
+}
--
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