package proxy;

import java.io.Closeable;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.net.Socket;

public class Client implements Multiplier , Closeable{

private final Socket socket;

private final DataOutputStream output;

private final DataInputStream input;

public Client(int port) throws IOException {

socket = new Socket("localhost", port);

output = new DataOutputStream(socket.getOutputStream());

input = new DataInputStream(socket.getInputStream());

}

@Override

public Double mul(double left, double right) {

try {

output.writeDouble(left);

output.writeDouble(right);

return input.readDouble();

} catch (IOException e) {

e.printStackTrace();

}

return null;

}

@Override

public void close() throws IOException {

socket.close();

}

}