Started Assignment 2

deliverables/src/MV3500Cohort2018JulySeptember/homework2/Severson/SeversonAssignment2_Client.java

+/*
+ * 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.homework2.Severson;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.Socket;
+import javax.swing.JOptionPane;
+
+/**
+ *
+ * @author Peter
+ */
+public class SeversonAssignment2_Client {
+
+    public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+
+        try {
+            while (true) {
+                System.out.println("TcpClient creating socket...");
+
+                int confirmButton = JOptionPane.OK_OPTION;
+                String message = "Are you sure";
+                JOptionPane.showConfirmDialog(null, message);
+
+                // We request an IP to connect to ("localhost") and
+                // port number at that IP (2317). This establishes
+                // a connection to that IP in the form of the Socket
+                // object; the server uses a ServerSocket to wait for
+                // connections.
+                if (confirmButton == JOptionPane.OK_OPTION) {
+
+                    Socket socket = new Socket(LOCALHOST, 2317); // locohost?
+
+                    InputStream is = socket.getInputStream();
+                    InputStreamReader isr = new InputStreamReader(is);
+                    BufferedReader br = new BufferedReader(isr);
+
+                    String serverMessage = br.readLine();
+                    System.out.println("==================================================");
+                    System.out.println("Now we're talking!");
+                    System.out.println("The message the server sent was " + serverMessage);
+                }
+            }
+
+            } catch (IOException e) {
+
+            System.out.println("Problem with client: ");
+            System.out.println(e);
+
+        }
+
+            System.out.println("client exit");
+        }
+
+    }
+

deliverables/src/MV3500Cohort2018JulySeptember/homework2/Severson/SeversonAssingment2_Server.java

+/*
+ * 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.homework2.Severson;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ *
+ * @author Peter
+ */
+public class SeversonAssingment2_Server {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+
+        try {
+
+            System.out.println("TcpServer has started..."); // it helps debugging to put this on console first
+            ServerSocket serverSocket = new ServerSocket(2317);
+
+            while (true) {
+                Socket clientConnection = serverSocket.accept(); // block until connected to a client
+
+                OutputStream os = clientConnection.getOutputStream();
+                PrintStream ps = new PrintStream(os);
+
+                ps.println("This was written by the server"); // this goes back to client!
+
+                InetAddress localAddress = clientConnection.getLocalAddress();
+                InetAddress remoteAddress = clientConnection.getInetAddress();
+
+                int localPort = clientConnection.getLocalPort();
+                int remotePort = clientConnection.getPort();
+
+                System.out.println("Socket pair: (( " + localAddress.toString() + ", " + localPort + " ), ( "+ remoteAddress.toString() + ", " + remotePort + " ))");
+
+                ps.flush();
+                clientConnection.close(); 
+            }
+        } catch (IOException e) {
+            
+            System.out.println("problem with networking");
+            
+        }
+    }
+
+}
+