public async Task DiscoverAllAsync()
{
if (IsDiscovering) // only called from the Mainthread -> not racy
{
return;
}
IsDiscovering = true;
m_bRemoteMinVersionError = false;
m_bLocalMinVersionError = false;
m_wbFirstResult = new WriteOnceBlock <DiscoveredServerInfo>((x) => { return(x); }); // no cloning needed
BinaryWriter reqPacket = DiscoveryPacket_Request.WritePacket();
List <DiscoveredServerInfo> liResults = new List <DiscoveredServerInfo>();
await Task.WhenAll(DiscoverAllIPv4Async(reqPacket, liResults)
, DiscoverAllIPv6Async(reqPacket, liResults));
Log.d(TAG, "Done waiting, got " + liResults.Count + " valid replies");
if (liResults.Count > 0)
{
m_wbFirstResult.Post(liResults[0]); // In case we didn't post any first result because the defaultserver wasn't found
}
// Remove Servers which were found on an earlier run but not anymore
for (int i = FoundServer.Count - 1; i >= 0; i--)
{
if (!liResults.Contains(FoundServer[i]))
{
FoundServer.RemoveAt(i);
}
}
IsDiscovering = false;
DisoveryFinished.Invoke(this, new DiscoveryFinishedEventArgs(m_bRemoteMinVersionError, m_bLocalMinVersionError));
}
private void AddFoundServer(DiscoveredServerInfo server)
{
if (!Application.Current.Dispatcher.CheckAccess())
{
Application.Current.Dispatcher.Invoke(new Action(() => AddFoundServer(server)));
}
if (!FoundServer.Contains(server))
{
FoundServer.Add(server);
}
}
