diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayClient.java b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayClient.java
index b37f97efdc66d9dd09a1aaef5df6eaad842f7b6a..2c2c7e1ccae7dbf8054605e45821de768145ca74 100644
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayClient.java
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayClient.java
@@ -1,36 +1,33 @@
package MV3500Cohort2020JulySeptember.homework2.Garibay;
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.net.Socket;
-
+import java.io.*;
+import java.net.*;
/**
*
- * @author chris
+ * @author Chris
*/
public class GaribayClient {
+
// IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
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;
-
+ Integer count = 0;
+
+ OutputStream os;
+ PrintStream ps;
+
+
try {
while (true) {
-
- //Added a joke to begin with
- System.out.println("Where do teeth like to shop?");
+ System.out.println("TcpExample3Client creating socket...");
// We request an IP to connect to ("localhost") and
// port number at that IP (2317). This establishes
@@ -43,38 +40,40 @@ public class GaribayClient {
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("==================================================");
- //changed the connecting lingo
-
- System.out.println("The message the server sent was: '" + serverMessage + "'");
-
- //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.");
- }
-
+ System.out.println("'How many beer bottles are on the wall?");
+ System.out.println("The GaribayServer responds by saying: '" + serverMessage + "'");
+ System.out.println("GaribayClient says, 'There are "+ count +" beer bottles on the wall. Always good to have more beer bottles.");
+ count++;
// socket gets closed, either automatically/silently by this code (or possibly by the server)
+
+
+ // Now hook everything up (i.e. set up the streams), Java style:
+ os = socket.getOutputStream();
+ ps = new PrintStream(os);
+ ps.println("GaribayClient message."); // this gets sent back to client!
+
+ ps.flush();
+
+
+
} // 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/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayServer.java b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayServer.java
index 6fcca6926b47c6576af89c4ae7d307002c8d6123..a9070a878b8df8900e9f2e6b53c64f8f70f43748 100644
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayServer.java
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Garibay/GaribayServer.java
@@ -1,103 +1,94 @@
package MV3500Cohort2020JulySeptember.homework2.Garibay;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.PrintStream;
-import java.net.InetAddress;
-import java.net.ServerSocket;
-import java.net.Socket;
+import java.io.*;
+import java.net.*;
/**
*
- * @author chris
+ * @author Chris
*/
public class GaribayServer {
+
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;
InetAddress localAddress, remoteAddress;
+
+ InputStream is;
+ InputStreamReader isr;
+ BufferedReader br;
+ String clientMessage;
int localPort, remotePort;
// Server is up and waiting (i.e. "blocked" or paused)
// Loop, infinitely, waiting for client connections.
// Stop the program somewhere else.
- //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 + " ))");
+ while (true) {
+
+ // 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);
+ ps.println("Count for yourself!"); // 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.
+
+ // Now hook everything up (i.e. set up the streams), Java style:
+ is = clientConnection.getInputStream();
+ isr = new InputStreamReader(is);
+ br = new BufferedReader(isr);
- //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!
+ // 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.
+ clientMessage = br.readLine();
+ System.out.println("==================================================");
+ System.out.println("Now we're talking!");
+ System.out.println("The message the server sent was: '" + clientMessage + "'");
+// System.out.println("This was the "+ count +" 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!");
+ }
}
}
}
-}