void OnDestroy()
{
DbAccess.CloseDB();
if (p2pServer != null)
{
p2pServer.Closed();
}
if (p2pClient != null)
{
p2pClient.Closed();
}
if (tcpClient != null)
{
tcpClient.Closed();
}
foreach (Thread t in threads)
{
t.Abort();
}
}