From 24b8f5006e2bc2d6925733fa4fa69548abc1e204 Mon Sep 17 00:00:00 2001
From: coltonfetterolf <52981302+coltonfetterolf@users.noreply.github.com>
Date: Thu, 8 Aug 2019 16:50:04 -0700
Subject: [PATCH] Updated HW 2 files and incorporated some iterations and
if/else statements.
---
.../Fetterolf/FetterolfHomework2Client.java | 29 +++--
.../Fetterolf/FetterolfHomework2Server.java | 101 +++++++++++-------
2 files changed, 83 insertions(+), 47 deletions(-)
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Client.java b/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Client.java
index c93b5cc59b..1590f54fd9 100644
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Client.java
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Client.java
@@ -16,21 +16,22 @@ import java.net.*;
*/
public class FetterolfHomework2Client {
- public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
+ public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
public static void main(String[] args) {
-
+
// Local vars/fields
Socket socket;
InputStream is;
InputStreamReader isr;
BufferedReader br;
String serverMessage;
-
+
try {
while (true) {
- //altered the socket creation piece
- System.out.println("Homework 2 is creating socket...");
+
+ //Added a joke to begin with
+ System.out.println("Where do teeth like to shop?");
// We request an IP to connect to ("localhost") and
// port number at that IP (2317). This establishes
@@ -50,21 +51,31 @@ public class FetterolfHomework2Client {
serverMessage = br.readLine();
System.out.println("==================================================");
//changed the connecting lingo
- System.out.println("Sweet, looked like we're connected!");
+
System.out.println("The message the server sent was: '" + serverMessage + "'");
- // socket gets closed, either automatically/silently by this code (or possibly by the server)
+ //If the server predicts the correct answer, the client will
+ //say he is correct and break from the loop. Ultimately ending
+ //the connection.
+ if (serverMessage.contentEquals("The Gap")) {
+ System.out.println("Correct!");
+ break;
+ } else {
+ System.out.println("Nope! Try again.");
+ }
+
+ // socket gets closed, either automatically/silently by this code (or possibly by the server)
} // end while(true)
} catch (IOException e) {
System.err.println("Problem with TcpExample3ServerClient 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 {
-
+
// program exit: tell somebody about that
System.out.println("\nclient exit");
}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Server.java b/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Server.java
index ead7d6e285..c9c5c31ec5 100644
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Server.java
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework2/Fetterolf/FetterolfHomework2Server.java
@@ -27,12 +27,12 @@ public class FetterolfHomework2Server {
public static void main(String[] args) {
try {
-
+
// ServerSocket waits for a connection from a client.
// Notice that it is outside the loop; ServerSocket
// needs to be made only once.
- System.out.println("TcpExample3Server has started..."); // it helps debugging to put this on console first
+
ServerSocket serverSocket = new ServerSocket(2317);
OutputStream os;
PrintStream ps;
@@ -42,47 +42,72 @@ public class FetterolfHomework2Server {
// Server is up and waiting (i.e. "blocked" or paused)
// Loop, infinitely, waiting for client connections.
// Stop the program somewhere else.
- while (true) {
+ //initialize the messageToClient
+ String messageToClient = "Thomas' house";
+
+ //Want the server to provide several answers to the question
+ //To keep the while loop, I just initialized a variable as a global
+ //to change as the code executes.
+ int i = 0;
+
+ //Added a length for the while loop dependent on the value of i.
+ while (i<4) {
+
+ // block until connected to a client
+ try (Socket clientConnection = serverSocket.accept()) {
+
+ // Now hook everything up (i.e. set up the streams), Java style:
+ os = clientConnection.getOutputStream();
+ ps = new PrintStream(os);
+ //changed what the server says to the client in response
+ ps.println(messageToClient);
+
+ // Print some information locally about the Socket connection.
+ // This includes the port and IP numbers on both sides (the socket pair).
+ localAddress = clientConnection.getLocalAddress();
+ remoteAddress = clientConnection.getInetAddress();
+ localPort = clientConnection.getLocalPort();
+ remotePort = clientConnection.getPort();
+
+ // 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 ))
+ // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54881 ))
+ // Why is the first IP/port the same, while the second set has different ports?
+ System.out.println("TcpExample3Server socket pair: (( " + localAddress.toString() + ", " + localPort + " ), ( "
+ + remoteAddress.toString() + ", " + remotePort + " ))");
- // block until connected to a client
- try (Socket clientConnection = serverSocket.accept()) {
-
- // Now hook everything up (i.e. set up the streams), Java style:
- os = clientConnection.getOutputStream();
- ps = new PrintStream(os);
- //changed what the server says to the client in response
- ps.println("Yo what up. "); // this gets sent back to client!
-
- // Print some information locally about the Socket connection.
- // This includes the port and IP numbers on both sides (the socket pair).
- localAddress = clientConnection.getLocalAddress();
- remoteAddress = clientConnection.getInetAddress();
- localPort = clientConnection.getLocalPort();
- remotePort = clientConnection.getPort();
-
- // 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 ))
- // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54881 ))
-
- // Why is the first IP/port the same, while the second set has different ports?
- System.out.println("TcpExample3Server socket pair: (( " + localAddress.toString() + ", " + localPort + " ), ( "
- + remoteAddress.toString() + ", " + remotePort + " ))");
-
- // Notice the use of flush() and try w/ resources. Without
- // the try w/ resources the Socket object may stay open for
- // a while after the client has stopped needing this
- // connection. try w/ resources explicitly ends the connection.
- ps.flush();
- // like it or not, you're outta here!
+ //Provides different answers to the client
+ if (i == 0) {
+ messageToClient = "American Eagle";
}
+ if (i == 1) {
+ messageToClient = "At Urban Outfitters";
+ }
+ if (i == 2) {
+ messageToClient = "The Gap";
+ }
+ //Iterates i to change the answers provided.
+ i += 1;
+
+ // Notice the use of flush() and try w/ resources. Without
+ // the try w/ resources the Socket object may stay open for
+ // a while after the client has stopped needing this
+ // connection. try w/ resources explicitly ends the connection.
+ ps.flush();
+ // like it or not, you're outta here!
}
- } catch (IOException e) {
+ }
+ }
+ catch (IOException e
+
+
+ ) {
System.err.println("Problem with TcpExample3Server networking: " + 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!");
- }
+ // 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!");
}
}
}
+}
--
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