org.cybergarage.upnp.device.Advertiser Maven / Gradle / Ivy
/******************************************************************
*
* CyberUPnP for Java
*
* Copyright (C) Satoshi Konno 2002
*
* File: Advertiser.java
*
* Revision;
*
* 12/24/03
* - first revision.
* 06/18/04
* - Changed to advertise every 25%-50% of the periodic notification cycle for NMPR;
*
******************************************************************/
package org.cybergarage.upnp.device;
import org.cybergarage.util.*;
import org.cybergarage.upnp.*;
public class Advertiser extends ThreadCore
{
////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////
public Advertiser(Device dev)
{
setDevice(dev);
}
////////////////////////////////////////////////
// Member
////////////////////////////////////////////////
private Device device;
public void setDevice(Device dev)
{
device = dev;
}
public Device getDevice()
{
return device;
}
////////////////////////////////////////////////
// Thread
////////////////////////////////////////////////
public void run()
{
Device dev = getDevice();
long leaseTime = dev.getLeaseTime();
long notifyInterval;
while (isRunnable() == true) {
notifyInterval = (leaseTime/4) + (long)((float)leaseTime * (Math.random() * 0.25f));
notifyInterval *= 1000;
try {
Thread.sleep(notifyInterval);
} catch (InterruptedException e) {}
dev.announce();
}
}
}