void checkTopicValues(Topic top)
{
if (top.GetDomainAddress().Equals(""))
{
top.SetDomainAddress(domainAddress);
}
if (top.GetLocalInterface().Equals(""))
{
top.SetLocalInterface(localInterface);
}
if (top.GetTimeToLive() < 0)
{
top.SetTimeToLive(timeToLive);
}
if (top.GetInSocketBufferSize() < 0)
{
top.SetInSocketBufferSize(inSocketBufferSize);
}
if (top.GetOutSocketBufferSize() < 0)
{
top.SetOutSocketBufferSize(outSocketBufferSize);
}
top.SetOptNonVirt(optNonVirt);
}