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package net.sourceforge.gjtapi.raw.sipprovider.common;
import java.net.InetAddress;
import net.java.stun4j.StunAddress;
import net.java.stun4j.client.NetworkConfigurationDiscoveryProcess;
import net.java.stun4j.client.StunDiscoveryReport;
/**
* The class is used to detect and output the type of the firewall and/or NAT
* that the running host is behind (if any). It is only used for debugging
* currently but in the future would help optimise network behavior.
*
* <p>Organisation: Network Research Team (LSIIT @ ULP)</p>
* @author Emil Ivov
* @version 0.1
*/
class NetworkDiagnostics extends Thread
{
private final Console console = Console.getConsole(NetworkDiagnostics.class);
public NetworkDiagnostics() {
setName("NetworkDiagnosticsThread");
}
@Override
public void run() {
try
{
StunAddress localAddr = null;
StunAddress serverAddr = null;
localAddr = new StunAddress(InetAddress.getLocalHost(), 5678);
serverAddr = new StunAddress("stun01bak.sipphone.com.", 3479);
NetworkConfigurationDiscoveryProcess addressDiscovery =
new NetworkConfigurationDiscoveryProcess(localAddr, serverAddr);
addressDiscovery.start();
StunDiscoveryReport report = addressDiscovery.determineAddress();
if(console.isDebugEnabled())
console.debug("Result of NetworkDiagnosticts:\n"+report);
}
catch(Throwable exc)
//catch everything
//this is a diagnostic kit only so we don't want it
//to spoil our actual application
{
console.error("The network diagnostics process has failed with "
+"the following exception", exc);
}
}
}