Mercurial > hg > Members > nobuyasu > tightVNCClient

comparison src/myVncClient/BroadCast.java @ 108:e66137b514eb Version-1.0

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add BroadCast.java
author Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Nov 2011 14:02:49 +0900
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107:40efe6c25ff6 108:e66137b514eb
1 package myVncClient;
2
3 import java.io.IOException;
4 import java.net.DatagramPacket;
5 import java.net.InetAddress;
6 import java.net.MulticastSocket;
7 import java.net.UnknownHostException;
8
9 public class BroadCast implements Runnable {
10 final int BUFSIZE = 1024;
11 final String MCASTADDR = "224.0.0.1";
12 final int PORT = 8183;
13 private byte[] buf = new byte[BUFSIZE];
14 private InetAddress mAddr;
15 private MulticastSocket soc;
16 private String str;
17
18 public BroadCast(String _str) {
19 str = _str;
20 }
21
22 void createSocket() {
23 try {
24 mAddr = InetAddress.getByName(MCASTADDR);
25 soc = new MulticastSocket();
26 soc.setTimeToLive(1);
27 } catch (IOException e) {
28 e.printStackTrace();
29 }
30 }
31
32 void sendData() {
33 buf = str.getBytes();
34 // System.out.println("strlen"+str.length());
35 // System.out.println("str"+str);
36 DatagramPacket sendPacket = new DatagramPacket(buf, str.length(),
37 mAddr, PORT);
38 try {
39 soc.send(sendPacket);
40 } catch (IOException e) {
41 e.printStackTrace();
42 }
43 }
44
45 @Override
46 public void run() {
47 createSocket();
48 while (true) {
49 sendData();
50 try {
51 Thread.sleep(2000);
52 } catch (InterruptedException e) {
53 System.out.println(e);
54 }
55 }
56 }
57 }