SDIS1819-T6G05-P2

package protocols;

import chord.ChordManager;

import chord.ConnectionInfo;

import files.FileHandler;

import messages.*;

import peer.Peer;

import java.io.IOException;

import java.math.BigInteger;

import java.net.InetAddress;

import java.net.UnknownHostException;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.security.NoSuchAlgorithmException;

import java.util.concurrent.ExecutionException;

public class Delete implements Runnable{

    private BigInteger hashfile;

    public Delete(String filename) {

            try {

            String [] params = new String[] {filename, FileHandler.getFileSize(filename)};

            this.hashfile = ChordManager.encrypt(params);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    @Override

    public void run() {

        if(FileHandler.checkFileExists("./peerDisk/peer" + Peer.getPeerAccessPoint() + "-"  + ChordManager.peerHash + "/backup/" + hashfile)){

            try {

                Files.deleteIfExists(Paths.get("./peerDisk/peer" + Peer.getPeerAccessPoint() + "-"  + ChordManager.peerHash + "/backup/" + hashfile));

            } catch (IOException e) {

                e.printStackTrace();

            }

        }

        MessageForwarder.sendMessage(new DeleteMessage(hashfile,ChordManager.peerHash,ChordManager.getFingerTable().get(0).getIp(),ChordManager.getFingerTable().get(0).getPort()));

    }

}