Mercurial > hg > Members > kono > WifiBroadcast

annotate src/wifibroadcast/WifiMulticast.java @ 6:248ae478dbe6

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cleanup
author one
date Sat, 28 Jul 2012 19:53:35 +0900
parents 9c99e2193277
children 95d58cc5bb0b
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df9d16620c08 Wifi broad cast test program
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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1 package wifibroadcast;
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df9d16620c08 Wifi broad cast test program
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3 import java.io.IOException;
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4 import java.nio.ByteBuffer;
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6 import java.net.DatagramPacket;
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7 import java.net.InetAddress;
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df9d16620c08 Wifi broad cast test program
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8 import java.net.MulticastSocket;
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10 public class WifiMulticast implements WifiReceiver {
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11 private MulticastSocket soc;
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12 private InetAddress mAddr;
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13 private int port;
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14
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15 public WifiMulticast(String mCASTADDR, int port, SocketType sender) throws IOException {
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16 this.port = port;
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17 try {
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18 mAddr = InetAddress.getByName(mCASTADDR);
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19 soc = new MulticastSocket(port);
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20 soc.joinGroup(mAddr);
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21 } catch (IOException e) {
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22 e.printStackTrace();
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23 }
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24 }
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26 @Override
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27 public void recieve(ByteBuffer testData, long timeout) throws IOException {
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28 DatagramPacket packet = new DatagramPacket(testData.array(),testData.capacity());
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29 soc.receive(packet);
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30 testData.limit(packet.getLength());
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31 testData.position(0);
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32 }
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33
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34 @Override
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35 public void send(ByteBuffer testData) throws IOException {
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36 DatagramPacket sendPacket = new DatagramPacket(testData.array(), testData.limit(),mAddr, port);
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37 soc.send(sendPacket);
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38 testData.position(testData.limit());
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39 }
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40
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41 }
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