Add: Primitive first version of NetworkManager

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

@@ -1,8 +1,13 @@
 package ch.unibas.dmi.dbis.cs108.casono.server;
 
+import ch.unibas.dmi.dbis.cs108.casono.server.network.NetworkManager;
+
 public class ServerApp {
     public static void start(String arg) {
         int port = Integer.parseInt(arg);
         System.out.println("You've selected the server. It will accept connections at port " + port);
+
+        NetworkManager networkManager = new NetworkManager(port);
+        networkManager.start();
     }
 }

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

@@ -0,0 +1,44 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.network;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import ch.unibas.dmi.dbis.cs108.casono.common.network.Session;
+
+public class NetworkManager implements Runnable {
+    private Integer port;
+    private Logger logger;
+    private Thread thread;
+    private Boolean running;
+
+    public NetworkManager(Integer port) {
+        this.port = port;
+        this.logger = LogManager.getLogger(NetworkManager.class);
+        this.thread = new Thread(this, "networkManager");
+        this.running = true;
+    }
+
+    public void start() {
+        logger.debug("Starting server at port " + port);
+        thread.start();
+    }
+
+    @Override
+    public void run() {
+        try (ServerSocket serverSocket = new ServerSocket(port)) {
+            while (running) {
+                Socket clientSocket = serverSocket.accept();
+
+                System.out.println("Accepted connection from " + clientSocket.getRemoteSocketAddress());
+                clientSocket.close();
+            }
+
+        } catch (IOException e) {
+            logger.fatal(e);
+        }
+    }
+}