package proxy;

import java.io.Closeable;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.net.ServerSocket;

import java.net.Socket;

public class Server implements Multiplier {

public Server(int port) throws IOException {

ServerSocket echoSocket = new ServerSocket(port);

Socket clientSocket = echoSocket.accept();

DataInputStream dataInputStream = new DataInputStream(clientSocket.getInputStream());

DataOutputStream dataOutputStream = new DataOutputStream(clientSocket.getOutputStream());

while (clientSocket.isConnected()) {

double left = dataInputStream.readDouble();

double right = dataInputStream.readDouble();

double result = mul(left, right);

dataOutputStream.writeDouble(result);

}

}

@Override

public Double mul(double left, double right) {

return left * right;

}

}