package NIO;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.locks.LockSupport;

import NIO.HeavySocketClient.EchiClient;

public class HeavySocketClient {
	private static ExecutorService tp = Executors.newCachedThreadPool();
	private static final int sleep_time = 1000 * 1000 * 1000;

	public static void main(String[] args) {
		EchiClient echiClient = new EchiClient();
		for (int i = 0; i < 10; i++) {
			tp.execute(echiClient);
		}
	}

	public static class EchiClient implements Runnable {
		@Override
		public void run() {
			Socket client = null;
			PrintWriter writer = null;
			BufferedReader reader = null;
			try {
				client = new Socket();
				client.connect(new InetSocketAddress("localhost", 8000));
				writer = new PrintWriter(client.getOutputStream(), true);
				writer.write("H");
				LockSupport.parkNanos(sleep_time);

				writer.write("e");
				LockSupport.parkNanos(sleep_time);

				writer.write("l");
				LockSupport.parkNanos(sleep_time);

				writer.write("l");
				LockSupport.parkNanos(sleep_time);

				writer.write("o");
				LockSupport.parkNanos(sleep_time);

				writer.write("!");
				LockSupport.parkNanos(sleep_time);
				writer.println();
				writer.flush();
			} catch (IOException e) {
				e.printStackTrace();
			} finally {
				try {
					if (client != null) {
						client.close();
						client = null;
					}
					if (writer != null) {
						writer.close();
						writer = null;
					}
					if (reader != null) {
						reader.close();
						reader = null;
					}
				} catch (IOException e) {
					e.printStackTrace();
				}
			}

		}

	}

}