diff --git a/assignments/src/MV3500Cohort2021JulySeptember/homework2/Frank/FrankClient.java b/assignments/src/MV3500Cohort2021JulySeptember/homework2/Frank/FrankClient.java new file mode 100644 index 0000000000000000000000000000000000000000..ec8699db4ccab7ad4b8f6c8efc11e9e2de9143ce --- /dev/null +++ b/assignments/src/MV3500Cohort2021JulySeptember/homework2/Frank/FrankClient.java @@ -0,0 +1,99 @@ +package MV3500Cohort2021JulySeptember.homework2.Frank; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.Reader; +import java.net.Socket; + +/* + * 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. + */ +/** + * + * @author justi + */ +public class FrankClient { + + /** + */ + public final static String LOCALHOST = "0:0:0:0:0:0:0:1"; + + /** + * Program invocation, execution starts here + * + * @param args command-line arguments + * @throws java.lang.InterruptedException + */ + public static void main(String[] args) throws InterruptedException { + + // Local variables/fields + Socket socket = null; + InputStream is; + Reader isr; + BufferedReader br; + String serverMessage; + int clientLoopCount = 0; + + try { + while (true) { + clientLoopCount++; // increment at beginning of loop for reliability + System.out.println( "creating socket..."); + + // 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 a Socket + // object; the server uses a ServerSocket to wait for + // connections. + socket = new Socket(LOCALHOST, 2318); // locohost? + + // Now hook everything up (i.e. set up the streams), Java style: + is = socket.getInputStream(); + isr = new InputStreamReader(is); + br = new BufferedReader(isr); + + // Read a single line written by the server. We'd + // do things a bit differently if there were many lines to be read + // from the server instead of one only. + serverMessage = br.readLine(); + System.out.println("*********************************"); + + System.out.print( clientLoopCount + ": "); + System.out.println("Hola!"); + System.out.println("The message the server sent was: '" + serverMessage + "'"); + int count = 0; + System.out.println("test"); + count++; +// socket gets closed, either automatically/silently by this code (or possibly by the server) + if (serverMessage.equals("this is good bye message from Franks server")) { //if client recieved termanation message stop client + break; + } + Thread.sleep(1000); // turned it down to 1 second + + } // end while(true) // infinite loops are dangerous, be sure to kill this process! + } catch (IOException e) { + System.err.println("Problem with " + FrankClient.class.getName() + " networking:"); // describe what is happening + System.err.println("Error: " + e); + + // Provide more helpful information to user if exception occurs due to running twice at one time + if (e instanceof java.net.BindException) { + System.err.println("*** Be sure to stop any other running instances of programs using this port!"); + } + } finally // occurs after any other activity when shutting down + { + try { + if (socket != null) { + socket.close(); + } + } catch (IOException e) { + } + + // program exit: tell somebody about that happening. Likely cause: server drops connection. + System.out.println(); + System.out.println("Good Bye!!!"); + } + } +}