diff --git a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Client.java b/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Client.java
deleted file mode 100644
index 51068eb7a7e5e9fc730d2bac97e2ff5f9744d2c2..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Client.java
+++ /dev/null
@@ -1,104 +0,0 @@
-package MV3500Cohort2023MarchJune.Chojnacki;
-
-import java.io.*;
-import java.net.*;
-
-/**
- * This is Assignment 1 where I have modified the given code from TCPExample3Client
- * -sleep time has been extended to give more time in between loops
- * -Initial print line has been altered to reflect assingnment 1
- * -Loop only runs a finite number of times ,10.
- * Before, we always used telnet (netcat) to connect to the server. Here we are
- * now writing our own program to do the connection.
- *
- * As you will see, when we run this after we start the server we will see the
- * same string telnet printed, sent by the server. The output at the server will
- * show different socket pairs for each time the loop iterates.
- *
- * @author mcgredo
- * @author brutzman@nps.edu
- */
-public class Assignment1Client
-{
- /** Default constructor */
- public Assignment1Client()
- {
- // default constructor
- }
- /** IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
- * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
- * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a>
- */
- public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
-
- /**
- * Program invocation, execution starts here
- * @param args command-line arguments
- */
- public static void main(String[] args)
- {
- // Local variables/fields
- Socket socket = null;
- InputStream is;
- Reader isr;
- BufferedReader br;
- String serverMessage;
- int clientLoopCount = 0;
- int numberOfLoops = 10;
-
- try {
- while (clientLoopCount < numberOfLoops)
- {
- clientLoopCount++; // increment at beginning of loop for reliability
- System.out.println(Assignment1Client.class.getName() + " 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, 2317); // 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("======================Assignment1===========================");
-
- System.out.print ("Client loop " + clientLoopCount + ": ");
- System.out.println("We are connected to the server!");
- System.out.println("The message the server sent was: '" + serverMessage + "'");
- // socket gets closed, either automatically/silently by this code (or possibly by the server)
-
- Thread.sleep(800l); // slow things down, for example 500l (long) = 500 msec
-
- } // end while(true) // infinite loops are dangerous, be sure to kill this process!
- }
- catch (IOException | InterruptedException e)
- {
- System.err.println("Problem with " + TcpExample3Client.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(TcpExample3Client.class.getName() + " exit");
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Server.java b/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Server.java
deleted file mode 100644
index c4eb72804cb0d9712064e4ff163bc02fe839ac3d..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/Assignment1Server.java
+++ /dev/null
@@ -1,115 +0,0 @@
-package MV3500Cohort2023MarchJune.Chojnacki;
-
-import java.io.*;
-import java.net.*;
-
-/**
- * This is Assignment 1 where I have modified the given code from TCPExample3Server
- *-server response message changed
- *
- * Very slightly more complex than example1, further modifying example2. The
- * only thing this does differently is introduce a loop into the response, so
- * you don't have to restart the program after one response. Also, it prints out
- * the socket pair the server sees. Run the program via telnet several times and
- * compare the socket pairs.
- *
- * telnet (nc) localhost 2317
- *
- * If you're sophisticated you can contact the instructor's computer while
- * running this program.
- *
- * telnet (nc) [ipNumberOfServerLaptop] 2317
- *
- * and have the instructor display the socket pairs received.
- *
- * @author mcgredo
- * @author brutzman@nps.edu
- */
-public class Assignment1Server
-{
- /** Default constructor */
- public Assignment1Server()
- {
- // default constructor
- }
- /**
- * Program invocation, execution starts here
- * If already compiled, can run using console in directory ../../build/classes/ by invoking \
- * java -classpath . TcpExamples.TcpExample3Server
- * @param args command-line arguments
- */
- 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(Assignment1Server.class.getName() + " has started..."); // it helps debugging to put this on console first
-
- ServerSocket serverSocket = new ServerSocket(2317);
- OutputStream os;
- PrintStream ps;
- InetAddress localAddress, remoteAddress;
- int localPort, remotePort;
- int serverLoopCount = 0;
-
- int numberOfRequests = 0;
-
- // Server is up and waiting (i.e. "blocked" or paused)
- // Loop, infinitely, waiting for client connections.
- // Stop the program somewhere else.
- while (numberOfRequests < 10) {
-
- // block until connected to a client
- try (Socket clientConnectionSocket = serverSocket.accept())
- {
- serverLoopCount++; // increment at beginning of loop for reliability
-
- // Now hook everything up (i.e. set up the streams), Java style:
- os = clientConnectionSocket.getOutputStream();
- ps = new PrintStream(os);
- ps.println("This is response " + serverLoopCount + " produced by the server, "
- + Assignment1Server.class.getName()); // 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 = clientConnectionSocket.getLocalAddress();
- remoteAddress = clientConnectionSocket.getInetAddress();
- localPort = clientConnectionSocket.getLocalPort();
- remotePort = clientConnectionSocket.getPort();
-
- System.out.print ("Server loop " + serverLoopCount + ": ");
-
- // 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.class.getName() + " socket pair showing host name, address, port:");
- System.out.println(" (( " +
- localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( " +
- remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))");
-
- if ( localAddress.getHostName().equals( localAddress.getHostAddress()) ||
- remoteAddress.getHostName().equals(remoteAddress.getHostAddress()))
- System.out.println(" note HostName matches address if host has no DNS name");
-
- // 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!
- }
- numberOfRequests++;
- }
- } catch (IOException e) {
- System.err.println("Problem with " + TcpExample3Server.class.getName() + " 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!");
- }
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Client.java b/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Client.java
deleted file mode 100644
index a3b7cfe3b4cdc9ec1986c5efd1b268c50c72d12f..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Client.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package MV3500Cohort2023MarchJune.Chojnacki;
-
-import java.io.*;
-import java.net.*;
-
-/**
- * Before, we always used telnet (netcat) to connect to the server. Here we are
- * now writing our own program to do the connection.
- *
- * As you will see, when we run this after we start the server we will see the
- * same string telnet printed, sent by the server. The output at the server will
- * show different socket pairs for each time the loop iterates.
- *
- * @author mcgredo
- * @author brutzman@nps.edu
- */
-public class TcpExample3Client
-{
- /** Default constructor */
- public TcpExample3Client()
- {
- // default constructor
- }
-
- /** IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
- * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
- * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a>
- */
- public final static String LOCALHOST = "0:0:0:0:0:0:0:1"; //Local host
-
- /**
- * Program invocation, execution starts here
- * @param args command-line arguments
- */
- public static void main(String[] args)
- {
- // 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(TcpExample3Client.class.getName() + " 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, 2317); // 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 ("Client loop " + clientLoopCount + ": ");
- System.out.println("now we're talking!");
- System.out.println("The message the server sent was: '" + serverMessage + "'");
- // socket gets closed, either automatically/silently by this code (or possibly by the server)
-
- Thread.sleep(500l); // slow things down, for example 500l (long) = 500 msec (1/2 second)
-
- } // end while(true) // infinite loops are dangerous, be sure to kill this process!
- }
- catch (IOException | InterruptedException e )
- {
- System.err.println("Problem with " + TcpExample3Client.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(TcpExample3Client.class.getName() + " exit");
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Server.java b/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Server.java
deleted file mode 100644
index 7ff4105a9a3722a48ecd348a98db5cfa515e9704..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2023MarchJune/Chojnacki/TcpExample3Server.java
+++ /dev/null
@@ -1,108 +0,0 @@
-package MV3500Cohort2023MarchJune.Chojnacki;
-
-import java.io.*;
-import java.net.*;
-
-/**
- * Very slightly more complex than example1, further modifying example2. The
- * only thing this does differently is introduce a loop into the response, so
- * you don't have to restart the program after one response. Also, it prints out
- * the socket pair the server sees. Run the program via telnet several times and
- * compare the socket pairs.
- *
- * telnet (nc) localhost 2317
- *
- * If you're sophisticated you can contact the instructor's computer while
- * running this program.
- *
- * telnet (nc) [ipNumberOfServerLaptop] 2317
- *
- * and have the instructor display the socket pairs received.
- *
- * @author mcgredo
- * @author brutzman@nps.edu
- */
-public class TcpExample3Server
-{
- /** Default constructor */
- public TcpExample3Server()
- {
- // default constructor
- }
-
- /**
- * Program invocation, execution starts here
- * If already compiled, can run using console in directory ../../build/classes/ by invoking \
- * java -classpath . TcpExamples.TcpExample3Server
- * @param args command-line arguments
- */
- 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.class.getName() + " has started..."); // it helps debugging to put this on console first
-
- ServerSocket serverSocket = new ServerSocket(2317);
- OutputStream os;
- PrintStream ps;
- InetAddress localAddress, remoteAddress;
- int localPort, remotePort;
- int serverLoopCount = 0;
-
- // Server is up and waiting (i.e. "blocked" or paused)
- // Loop, infinitely, waiting for client connections.
- // Stop the program somewhere else.
- while (true) {
-
- // block until connected to a client
- try (Socket clientConnectionSocket = serverSocket.accept())
- {
- serverLoopCount++; // increment at beginning of loop for reliability
-
- // Now hook everything up (i.e. set up the streams), Java style:
- os = clientConnectionSocket.getOutputStream();
- ps = new PrintStream(os);
- ps.println("This is response " + serverLoopCount + " produced by the server."); // 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 = clientConnectionSocket.getLocalAddress();
- remoteAddress = clientConnectionSocket.getInetAddress();
- localPort = clientConnectionSocket.getLocalPort();
- remotePort = clientConnectionSocket.getPort();
-
- System.out.print ("Server loop " + serverLoopCount + ": ");
-
- // 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.class.getName() + " socket pair showing host name, address, port:");
- System.out.println(" (( " +
- localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( " +
- remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))");
-
- if ( localAddress.getHostName().equals( localAddress.getHostAddress()) ||
- remoteAddress.getHostName().equals(remoteAddress.getHostAddress()))
- System.out.println(" note HostName matches address if host has no DNS name");
- // 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) {
- System.err.println("Problem with " + TcpExample3Server.class.getName() + " 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!");
- }
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework1/Chojnacki/Assignment1Client.java b/assignments/src/MV3500Cohort2023MarchJune/homework1/Chojnacki/Assignment1Client.java
index 709bd3c81f3c1d5742b976473f40c16fe5e32961..5030228bcadbaeaf2502a4def91af170752945fa 100644
--- a/assignments/src/MV3500Cohort2023MarchJune/homework1/Chojnacki/Assignment1Client.java
+++ b/assignments/src/MV3500Cohort2023MarchJune/homework1/Chojnacki/Assignment1Client.java
@@ -4,7 +4,7 @@ import java.io.*;
import java.net.*;
/**
- * Test
+ * Testing
* This is Assignment 1 where I have modified the given code from TCPExample3Client
* -sleep time has been extended to give more time in between loops
* -Initial print line has been altered to reflect assignment 1
diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Client.java b/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Client.java
index 081181e82a80c2ea29721ac3a323d624963ec595..6747eddc5525317b5f2df14df4de61d3685cd57c 100644
--- a/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Client.java
+++ b/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Client.java
@@ -71,7 +71,7 @@ public class Assignment1Client
System.out.println("==================================================");
System.out.print ("Client loop " + clientLoopCount + ": ");
- System.out.println("we are live!");
+ System.out.println("we are live for 20...!");
System.out.println("The message the server sent was: '" + serverMessage + "'");
// socket gets closed, either automatically/silently by this code (or possibly by the server)
diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Server.java b/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Server.java
index 5ed00e5e4ab2320ecec8196e693ce12be407629b..0a622df91314f40bca91eba324df3aa8f0097296 100644
--- a/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Server.java
+++ b/assignments/src/MV3500Cohort2023MarchJune/homework1/Hedgcorth/Assignment1Server.java
@@ -55,21 +55,21 @@ public class Assignment1Server {
PrintStream ps;
InetAddress localAddress, remoteAddress;
int localPort, remotePort;
- int serverLoopCount = 0;
+ int serverLoopCount = 20;
// Server is up and waiting (i.e. "blocked" or paused)
// Loop, infinitely, waiting for client connections.
// Stop the program somewhere else.
- while (serverLoopCount < 20) {
+ while (serverLoopCount > 0) {
// block until connected to a client
try ( Socket clientConnectionSocket = serverSocket.accept()) {
- serverLoopCount++; // increment at beginning of loop for reliability
+ serverLoopCount--; // increment at beginning of loop for reliability
// Now hook everything up (i.e. set up the streams), Java style:
os = clientConnectionSocket.getOutputStream();
ps = new PrintStream(os);
- ps.println("This is response " + serverLoopCount + " produced by the server."); // this gets sent back to client!
+ ps.println("Connection will end in: " + serverLoopCount + "..."); // 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).
@@ -78,7 +78,7 @@ public class Assignment1Server {
localPort = clientConnectionSocket.getLocalPort();
remotePort = clientConnectionSocket.getPort();
- System.out.print("Server loop " + serverLoopCount + ": ");
+ //System.out.print("Server loop " + serverLoopCount + ": ");
// 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 ))