From c177a1bb65f239d0a6ace32e8c902cc943541343 Mon Sep 17 00:00:00 2001
From: owner <owner@DESKTOP-150HAJJ.ern.nps.edu>
Date: Thu, 8 Aug 2024 16:59:00 -0700
Subject: [PATCH] Homework 2
---
.../homework2/Lennon/LennonHW2Client.java | 41 ++++++++++++++++---
.../Lennon/LennonHW2HandlerThread.java | 21 +++++++++-
2 files changed, 54 insertions(+), 8 deletions(-)
diff --git a/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2Client.java b/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2Client.java
index 80cf6a753c..de4a93dd00 100644
--- a/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2Client.java
+++ b/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2Client.java
@@ -68,18 +68,47 @@ public class LennonHW2Client
BufferedReader br = new BufferedReader(isr);
String serverMessage = br.readLine(); // blocks
- long readTime = System.currentTimeMillis();
- long timeLength = readTime - startTime;
+ System.out.println("Message from server:" + serverMessage);
+ String guess = null;
+ boolean validGuess = false;
+ while(!validGuess){
+ guess = scanner.nextLine();
+ try{
+ int numGuess = Integer.parseInt(guess);
+ if (numGuess < 1 || numGuess > 10){
+ System.out.println("I said between 1 and 10. Guess Again");
+ continue;
+ }
+ validGuess = true;
+ }
+ catch(NumberFormatException e){
+ System.out.println("That's not a number. Guess Again");
+ }
+ }
+ OutputStream os = socket.getOutputStream();
+ PrintStream ps = new PrintStream(os);
+
+ ps.println(guess);
+ ps.flush();
+
+ is = socket.getInputStream();
+ isr = new InputStreamReader(is);
+ br = new BufferedReader(isr);
- System.out.println(LennonHW2Client.class.getName() + ": message received from server='" + serverMessage + "'");
- System.out.println(LennonHW2Client.class.getName() + ": time msec required for read=" + timeLength);
+ serverMessage = br.readLine(); // blocks
+ long endTime = System.currentTimeMillis();
+ long timeLength = endTime - startTime;
+
+ System.out.println(": message received from server:" + serverMessage);
+ System.out.println(": time to play=" + timeLength);
System.out.println("=======================================================");
- // To push this further, launch multiple copies of TcpExample4Client simultaneously
+
System.out.println("Want to go again? Y/N");
String response = scanner.nextLine();
play = "Y".equals(response.toUpperCase());
- System.out.println(response.toUpperCase());
+ //line below is for debug
+ System.out.println(response.toUpperCase()); //for debug only. delete later
}while(play);
System.out.println("GOODBYE");
System.out.println(LennonHW2Client.class.getName() + " complete");
diff --git a/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2HandlerThread.java b/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2HandlerThread.java
index 6fa0180d2f..2bdad4bfc1 100644
--- a/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2HandlerThread.java
+++ b/assignments/src/MV3500Cohort2024JulySeptember/homework2/Lennon/LennonHW2HandlerThread.java
@@ -1,7 +1,10 @@
package MV3500Cohort2024JulySeptember.homework2.Lennon;
+import TcpExamples.TcpExample4Client;
+import TcpExamples.TcpExample4DispatchServer;
import java.io.*;
import java.net.*;
+import java.util.Random;
/**
* <p>
@@ -64,6 +67,9 @@ public class LennonHW2HandlerThread extends Thread
System.out.println(LennonHW2HandlerThread.class.getName() + " starting to handle a thread...");
// get the connection output stream, then wait a period of time.
+ Random random = new Random();
+ int randNum = random.nextInt(10)+1;
+
OutputStream os = socket.getOutputStream();
PrintStream ps = new PrintStream(os);
@@ -75,14 +81,25 @@ public class LennonHW2HandlerThread extends Thread
BufferedReader br = new BufferedReader(isr);
String userGuess = br.readLine(); // blocks
-
+ String serverResponse = null;
+ try{
+ int userNum = Integer.parseInt(userGuess);
+ if (userNum == randNum){
+ serverResponse = "Good job. You got it.";
+ }else{
+ serverResponse = "You're wrong. It was " + randNum;
+ }
+ }catch(NumberFormatException e){
+ System.out.println("Something went wrong. guess was not a number" + e);
+ serverResponse = "Something went wrong. Anyway, my number was " + randNum;
+ }
final long TIMEOUT = 2000; // 2000 milliseconds = 2 seconds, 10000 milliseconds = 10 seconds
System.out.println(LennonHW2HandlerThread.class.getName() + " pausing for TIMEOUT=" + TIMEOUT + "ms" +
" to emulate computation and avoid server-side overload");
Thread.sleep(TIMEOUT);
// ps is the PrintStream is the Java way to use System.print() to pass data along the socket.
- ps.println("That's a good guess, but you're wrong" + LennonHW2HandlerThread.class.getName()); // TODO insert socket count here!
+ ps.println(serverResponse + LennonHW2HandlerThread.class.getName()); // TODO insert socket count here!
ps.flush(); // make sure that it indeed escapes current process and reaches the client
socket.close(); // all clear, no longer need socket
System.out.println(LennonHW2HandlerThread.class.getName() + " finished handling a thread, now exit.");
--
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