int GetOpenSockets()
{
int count = 0;
int port = Settings.Instance.PortFilter;
foreach (var entry in ManagedNetstat.GetTcp())
{
if (entry.RemoteEndpoint.Port != port)
{
continue;
}
if (entry.State != TcpState.Established)
{
continue;
}
count++;
}
return(count);
}
void Populate()
{
section.Clear();
var entries = ManagedNetstat.GetTcp();
foreach (var entry in entries)
{
if (!Filter(entry))
{
continue;
}
var text = string.Format("{0} - {1} - {2}", entry.LocalEndpoint, entry.RemoteEndpoint, entry.State);
var element = new StyledStringElement(text);
element.Font = UIFont.SystemFontOfSize(12.0f);
if (!displayedEntries.ContainsKey(entry))
{
displayedEntries.Add(entry, DateTime.UtcNow);
element.BackgroundColor = UIColor.Red;
}
else
{
var age = DateTime.UtcNow - displayedEntries [entry];
if (age < TimeSpan.FromSeconds(3))
{
element.BackgroundColor = UIColor.Yellow;
}
}
section.Add(element);
}
var oldEntries = displayedEntries.Keys.ToList();
foreach (var old in oldEntries)
{
if (!entries.Contains(old))
{
displayedEntries.Remove(old);
}
}
}