Refactor: Session to use TransportLayer for socket communication

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/NetworkManager.java

@@ -38,7 +38,7 @@ public class NetworkManager implements Runnable {
                 
                 System.out.println("Accepted connection from " + clientSocket.getRemoteSocketAddress());
 
-                Session session = new Session(clientSocket);
+                Session session = new Session(new TcpTransport(clientSocket));
                 session.start();
             }
 

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/Session.java

@@ -1,29 +1,22 @@
 package ch.unibas.dmi.dbis.cs108.casono.server.network;
 
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
 import java.io.EOFException;
 import java.io.IOException;
-import java.net.Socket;
-import java.nio.charset.StandardCharsets;
-
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 public class Session implements Runnable {
     private SessionId id;
     private Thread thread;
-    private Socket socket;
+    private TransportLayer transport;
-    private DataInputStream in;
-    private DataOutputStream out;
     private Logger logger;
+    private Boolean running;
     
-    public Session(Socket socket) throws IOException {
+    public Session(TransportLayer transport) throws IOException {
         this.id = new SessionId();
         this.thread = new Thread(this, "session-" + this.id.value());
-        this.socket = socket;
+        this.transport = transport;
-        this.in = new DataInputStream(socket.getInputStream());
+        this.running = true;
-        this.out = new DataOutputStream(socket.getOutputStream());
 
         this.logger = LogManager.getLogger(Session.class.toString() + id.value());
         this.logger.info("Created new session");
@@ -37,22 +30,16 @@ public class Session implements Runnable {
         thread.start();
     }
 
-    public String read() throws IOException {
-        int length = in.readInt();
-        byte[] payload = new byte[length];
-        in.readFully(payload);
-        return new String(payload, StandardCharsets.UTF_8);
-    }
-
     public void close() throws IOException {
-        socket.close();
+        transport.close();
+        this.running = false;
     }
 
     @Override
     public void run() {
-        while (true) {
+        while (running) {
             try {
-                System.out.println("Recieved: " + read());
+                System.out.println("Recieved: " + transport.read());
             } catch (EOFException e) {
                 logger.info("Client disconnected");
                 break;