public void SecondTimer()
{
// ip cache
lock (IPs)
while (IPs.Count > MAX_CACHE)
{
DhtContact entry = IPs.Last.Value;
IPTable.Remove(entry.CacheHash());
IPs.RemoveLast();
}
// save cache
if (Core.TimeNow > NextSave)
{
if (Network.IsLookup)
{
Network.Lookup.Save(Core);
}
else
{
Core.User.Save();
}
NextSave = Core.TimeNow.AddMinutes(5);
}
// if unresponsive
if (!Network.Responsive)
{
Retry.Timer();
if (Network.IsLookup)
{
LoookupBootstrap();
}
else
{
OpBootstrap();
}
}
// send broadcast in lan mode every 20 secs
if (Network.LanMode)//&& !IsLookup) //crit re-enable?
{
// if disconnected from LAN, once reconnected, establishing should be < 20 secs
if (BroadcastTimeout <= 0)
{
Ping ping = new Ping();
ping.Source = Network.GetLocalSource();
Network.LanControl.SendTo(ping);
BroadcastTimeout = 20;
}
else
{
BroadcastTimeout--;
}
}
}
public void AddContact(DhtContact entry)
{
lock (IPs)
{
if (IPTable.ContainsKey(entry.CacheHash()))
{
entry = IPTable[entry.CacheHash()].Value; // replace entry with dupe to maintain next try info
IPs.Remove(entry);
}
// sort nodes based on last seen
LinkedListNode <DhtContact> node = null;
for (node = IPs.First; node != null; node = node.Next)
{
if (entry.LastSeen > node.Value.LastSeen)
{
break;
}
}
IPTable[entry.CacheHash()] = (node != null) ? IPs.AddBefore(node, entry) : IPs.AddLast(entry);
}
}