| 1 | package cz.vutbr.feec.session.feedback; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.net.DatagramPacket; |
| 5 | import java.net.DatagramSocket; |
| 6 | import java.net.InetAddress; |
| 7 | import java.net.SocketException; |
| 8 | |
| 9 | import org.apache.log4j.Logger; |
| 10 | |
| 11 | import cz.vutbr.feec.packets.rsi.RSIPacket; |
| 12 | import cz.vutbr.feec.session.SessionThreadOut; |
| 13 | |
| 14 | /** |
| 15 | * Vysila pres unicast zpetnou vazbu nadrazenemu feedback targetu. |
| 16 | * @author Radim Burget |
| 17 | */ |
| 18 | public class ThreadOut extends SessionThreadOut { |
| 19 | |
| 20 | private static Logger logger = Logger.getLogger(ThreadOut.class |
| 21 | .getName()); |
| 22 | private FeedbackSessionStatus session; |
| 23 | |
| 24 | private DatagramSocket socket; |
| 25 | |
| 26 | private DatagramPacket packet; |
| 27 | |
| 28 | private byte[] buffer; |
| 29 | |
| 30 | public ThreadOut(InetAddress address, int port, int rsiTime) throws SocketException { |
| 31 | super(rsiTime); |
| 32 | setName("TTP-FT(out unicast)"); |
| 33 | socket = new DatagramSocket(); |
| 34 | buffer = new byte[1500]; |
| 35 | packet = new DatagramPacket(buffer, 4, address, port); |
| 36 | } |
| 37 | |
| 38 | @Override |
| 39 | public void run() { |
| 40 | logger.debug("STARTED"); |
| 41 | while(!isStopped()) { |
| 42 | try { |
| 43 | sleep(reportingPeridod); |
| 44 | // Sending the RSI packet |
| 45 | RSIPacket pkt = new RSIPacket(); |
| 46 | pkt.setSSRC(1<<31); |
| 47 | pkt.setSSRCSummarized(1<<31); |
| 48 | |
| 49 | socket.send(packet); |
| 50 | logger.debug("RSI sent"); |
| 51 | } catch (InterruptedException e) { |
| 52 | if(isStopped()) break; |
| 53 | } catch (IOException e) { |
| 54 | e.printStackTrace(); |
| 55 | System.exit(-1); |
| 56 | } |
| 57 | // process packet |
| 58 | } |
| 59 | socket.close(); |
| 60 | logger.debug("FINISHED"); |
| 61 | } |
| 62 | |
| 63 | protected void setSession(FeedbackSessionStatus session) { |
| 64 | this.session = session; |
| 65 | } |
| 66 | |
| 67 | protected FeedbackSessionStatus getSession() { |
| 68 | return session; |
| 69 | } |
| 70 | |
| 71 | public void setFeedback(InetAddress address, int port) { |
| 72 | packet.setAddress(address); |
| 73 | packet.setPort(port); |
| 74 | } |
| 75 | } |