package socket;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.io.PrintStream;

import java.net.InetSocketAddress;

import java.net.Socket;

import java.net.SocketAddress;

import java.net.UnknownHostException;

import java.util.ArrayList;

import java.util.Random;

import java.util.logging.Level;

import java.util.logging.Logger;

public class Client {

private String ip;

private int port;

private int connectTimeOut;

private int sendTimeOut;

private int receiveTimeOut;

public Client() {

FileReader reader = null;

BufferedReader bufferedReader = null;

try {

reader = new FileReader("config/SocketConfig.txt");

bufferedReader = new BufferedReader(reader);

String line;

ArrayList<String> list = new ArrayList<>();

while ((line = bufferedReader.readLine()) != null) {

list.add(line.trim());

}

this.ip = list.get(0);

this.port = Integer.parseInt(list.get(1));

this.connectTimeOut = Integer.parseInt(list.get(2));

this.sendTimeOut = Integer.parseInt(list.get(3));

this.receiveTimeOut = Integer.parseInt(list.get(4));

} catch (FileNotFoundException ex) {

Logger.getLogger(Client.class.getName()).log(Level.SEVERE, null, ex);

} catch (IOException ex) {

Logger.getLogger(Client.class.getName()).log(Level.SEVERE, null, ex);

} finally {

try {

reader.close();

} catch (IOException ex) {

Logger.getLogger(Client.class.getName()).log(Level.SEVERE, null, ex);

}

if (bufferedReader != null) {

try {

bufferedReader.close();

} catch (IOException ex) {

Logger.getLogger(Client.class.getName()).log(Level.SEVERE, null, ex);

}

}

}

}

public void connect() {

SocketAddress socketAddress = new InetSocketAddress(ip, port);

Socket socket = new Socket();

PrintStream printStream;

try {

// Connect to server

socket.connect(socketAddress, connectTimeOut);

while (socket.isConnected()) {

printStream = new PrintStream(socket.getOutputStream());

String str = randomMessage();

printStream.println(str);

System.out.println(str + socket.isConnected());

Thread.sleep(1000);

}

socket.close();

} catch (UnknownHostException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

System.out.println("Không có kết nối sever");

e.printStackTrace();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static String randomMessage() {

// Tạo một đối tượng Random

Random random = new Random();

// Khai báo các ký tự có thể có trong chuỗi

String charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

// Khai báo độ dài của chuỗi

int length = 10;

// Tạo chuỗi ngẫu nhiên

StringBuilder sb = new StringBuilder();

for (int i = 0; i < length; i++) {

int randomIndex = random.nextInt(charset.length());

char randomChar = charset.charAt(randomIndex);

sb.append(randomChar);

}

return sb.toString();

}

public String getIp() {

return ip;

}

public int getPort() {

return port;

}

public int getConnectTimeOut() {

return connectTimeOut;

}

public int getSendTimeOut() {

return sendTimeOut;

}

public int getReceiveTimeOut() {

return receiveTimeOut;

}

public static void main(String[] args) {

Client client = new Client();

client.connect();

}

}