/// <summary>
/// create a receiver with a valid {@link UDTSession}
/// </summary>
/// <param name="session"></param>
/// <param name="endpoint"></param>
public UDTReceiver(UDTSession session, UDPEndPoint endpoint)
{
this.roundTripTimeVar = roundTripTime / 2;
this.endpoint = endpoint;
this.session = session;
//( System.DateTime.UtcNow.Ticks - new DateTime(1970, 1, 1, 0, 0, 0).Ticks)/10000;
//如果要得到Java中 System.currentTimeMillis() 一样的结果，就可以写成 上面那样，也可以这样写：
// TimeSpan ts=new TimeSpan( System.DateTime.UtcNow.Ticks - new DateTime(1970, 1, 1, 0, 0, 0).Ticks);
//(long)ts.TotalMilliseconds;
this.sessionUpSince = (long)ts.TotalMilliseconds;
this.statistics = session.getStatistics();
if (!session.isReady())
{
Log.Write(this.ToString(), "UDTSession is not ready.");
}
ackHistoryWindow = new AckHistoryWindow(16);
packetHistoryWindow = new PacketHistoryWindow(16);
receiverLossList = new ReceiverLossList();
packetPairWindow = new PacketPairWindow(16);
largestReceivedSeqNumber = (int)session.getInitialSequenceNumber() - 1;
bufferSize = session.getReceiveBufferSize();
handoffQueue = new Queue <UDTPacket>(4 * session.getFlowWindowSize());
storeStatistics = false; //Boolean.getBoolean("udt.receiver.storeStatistics");
initMetrics();
start();
}
public UDTSession(String description, Destination destination)
{
Random ro = new Random((int)DateTime.Now.Ticks & 0x0000FFFF);
nextSocketID = ro.Next(0, 5000) + 20;
statistics = new UDTStatistics(description);
mySocketID = Interlocked.Increment(ref nextSocketID);
this.destination = destination;
//this.dgPacket=new DatagramPacket(new byte[0],0,destination.getAddress(),destination.getPort());
//this.dgPacket = new byte[0];
this.dgPacket = new IPEndPoint(destination.getAddress(), destination.getPort());
//UDTCongestionControl _CongestionControl = new UDTCongestionControl();
//String clazzP=_CongestionControl.ToString();
Object ccObject = null;
//try
//{
// Class<?>clazz=Class.forName(clazzP);
// ccObject=clazz.getDeclaredConstructor(UDTSession.class).newInstance(this);
//}
//catch(Exception e)
//{
// Log.Write(this.ToString(),"WARNING","Can't setup congestion control class <"+clazzP+">, using default.",e);
// ccObject = new UDTCongestionControl(this);
//}
ccObject = new UDTCongestionControl(this);
cc = (CongestionControl)ccObject;
Log.Write(this.ToString(), "Using " + cc.ToString());
}
public UDTSender(UDTSession session, UDPEndPoint endpoint)
{
if (!session.isReady())
{
Log.Write(this.ToString(), "UDTSession is not ready.");
}
this.endpoint = endpoint;
this.session = session;
statistics = session.getStatistics();
senderLossList = new SenderLossList();
sendBuffer = new Dictionary <long, DataPacket>(session.getFlowWindowSize());
sendQueue = new Queue <DataPacket>(1000);
lastAckSequenceNumber = (int)session.getInitialSequenceNumber();
currentSequenceNumber = (int)session.getInitialSequenceNumber() - 1;
waitForAckLatch.Set(new CountDownLatch(1));
waitForSeqAckLatch.Set(new CountDownLatch(1));
storeStatistics = false; //Boolean.getBoolean("udt.sender.storeStatistics");
initMetrics();
doStart();
}
public UDTCongestionControl(UDTSession session)
{
this.session = session;
this.statistics = session.getStatistics();
lastDecreaseSeqNo = session.getInitialSequenceNumber() - 1;
}