alma

package router;

import java.util.ArrayList;
import java.util.List;

public class Node {
    private Node parent;
    private List<Node> childs;
    private IPAddress own;
    private IPAddress a;
    private IPAddress b;


    public Node(IPAddress own, IPAddress a, IPAddress b) {
        this.childs = new ArrayList<>();
        this.own=own;
        this.a=a;
        this.b=b;
    }

    public Node(Node parent, IPAddress own, IPAddress a, IPAddress b) {
        this.parent=parent;
        this.childs = new ArrayList<>();
        parent.childs.add(this);
        this.own=own;
        this.a=a;
        this.b=b;
    }

    private IPAddress getOwn() {
        return own;
    }

public String tracePacket(Packet packet) {
    /*if(packet.getDestination().isTheSame(this.own)){
        if(packet.isLive() == true) {
            packet.recordPath(this.own);
            return packet.toString();
        }else{
            return "LOOP";
        }
    }else{
        if(packet.getDestination().insideRng(this.a, this.b)){
            for(Node child : childs){
                if(packet.getDestination().insideRng(child.a, child.b)){
                    if(packet.isLive() == true) {
                        packet.recordPath(this.own);
                        child.tracePacket(packet);
                    }else {
                        return "LOOP";
                    }
                }
            }
        }else{
            if(parent == null){
                return "OUT";
                }else{
                    if(packet.isLive() == true) {
                        packet.recordPath(this.own);
                        this.parent.tracePacket(packet);
                    }else {
                        return "LOOP";
                    }
                }
                }
        }
            return packet.toString();*/
        packet.recordPath(own);
        IPAddress destiny = packet.getDestination();
        if(own == destiny) {
            return packet.toString();
        } else {
            if(!childs.isEmpty()) {
                for(Node child : childs) {
                    if(destiny.insideRng(child.a,child.b)) {
                        if(packet.isLive()) {
                            return child.tracePacket(packet);
                        } else {
                            return "LOOP";
                        }
                    }
                }
            }
            if(parent != null && packet.isLive()) {
                return parent.tracePacket(packet);
            } else {
                return "OUT";
            }
        }

    }
}