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SocketDetails.java

+import java.net.InetAddress;
+import java.net.Socket;
+
+public class SocketDetails{ //class to store details of the listen sockets of active users
+    private InetAddress ip;
+    private int port;
+
+    public SocketDetails(Socket socket, int passPort){ //on construction set the IP and port number
+        ip = socket.getInetAddress();
+        port = passPort;
+    }
+
+    public InetAddress getIp() { //returns the ip address
+        return ip;
+    }
+
+    public int getPort() { //returns the port number
+        return port;
+    }
+
+    public Socket getSocket() throws Exception{ //opens a socket back to the user and returns that
+        return new Socket(ip, port);
+    }
+
+    @Override
+    public int hashCode() { //hash code function so two objects with the same port and host address have the same hash
+        return (ip.getHostAddress() + port).hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) { //equals function that checks that the ips and ports match
+        return ((SocketDetails)obj).getIp().equals(ip) && ((SocketDetails)obj).getPort() == port;
+    }
+}