From ae094db6edca875ce69c15b98a63071293375176 Mon Sep 17 00:00:00 2001
From: "Jackson, John (LT)" <jrjackso1@nps.edu>
Date: Thu, 26 Jul 2018 09:42:23 -0700
Subject: [PATCH] Upload New File
---
.../homework1/JacksonAssignment1.java | 80 +++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 deliverables/src/MV3500Cohort2018JulySeptember/homework1/JacksonAssignment1.java
diff --git a/deliverables/src/MV3500Cohort2018JulySeptember/homework1/JacksonAssignment1.java b/deliverables/src/MV3500Cohort2018JulySeptember/homework1/JacksonAssignment1.java
new file mode 100644
index 0000000000..57a4e83e28
--- /dev/null
+++ b/deliverables/src/MV3500Cohort2018JulySeptember/homework1/JacksonAssignment1.java
@@ -0,0 +1,80 @@
+/*
+ * 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.
+ */
+package MV3500Cohort2018JulySeptember.homework1;
+
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ *
+ * @author John
+ */
+public class JacksonAssignment1 {
+
+
+ public static void main(String[] args) {
+ try {
+ System.out.println("Hello invoker, this server process is now running"); // reporting for duty
+
+ int popularityCount = 0; // state
+
+ ServerSocket serverSocket = new ServerSocket(2317); // server decides here what port to listen on.
+ // of interest: often client doesn't care what port it uses locally when connecting to that server port.
+
+ // Loop, infinitely, waiting for client connections.
+ // Stop the program somewhere else.
+ while (true) {
+ Socket clientConnection = serverSocket.accept(); // blocks! then proceeds once a connection is "accept"ed
+
+ /**
+ * changed connectionCount to popularityCount
+ */
+ popularityCount++;
+
+ OutputStream os = clientConnection.getOutputStream();
+ PrintStream ps = new PrintStream(os);
+
+ ps.println("This client response was written by server JacksonAssignment1"); // to remote client
+ System.out.println("This server response was written by server JacksonAssignment1"); // to server console
+
+ ps.println("You were connection #" + popularityCount + ", by my count");
+
+ // Print some information locally about the Socket
+ // connection. This includes the port and IP numbers
+ // on both sides (the socket pair.)
+ InetAddress localAddress = clientConnection.getLocalAddress();
+ InetAddress remoteAddress = clientConnection.getInetAddress();
+
+ int localPort = clientConnection.getLocalPort();
+ int remotePort = clientConnection.getPort(); // remember the prior question, why are 2 ports different?
+
+ // My socket pair connection looks like this, to localhost:
+ // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54876 )) note IPv6
+ // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54881 ))
+ System.out.println("Socket pair: (( " + localAddress.toString() + ", " + localPort + " ), ( "
+ + remoteAddress.toString() + ", " + remotePort + " ))");
+
+ if (popularityCount == 1){
+
+ System.out.println("Your server has received " + popularityCount + " hit"); // report progress
+ }
+ else {
+ System.out.println("Your server has received " + popularityCount + " hits"); // report progress
+ }
+ ps.flush();
+ clientConnection.close();
+ }
+ } catch (Exception e) {
+ /**
+ * added to the println for fun
+ */
+ System.out.println("Error code: " + e);
+ }
+ }
+}
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--
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