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);
}
}
private async Task <bool> DiscoverAndConnectAsync()
{
Task <DiscoveredServerInfo> task = DiscoveryFinder.DiscoverReturnFirstAsync();
NotifyChange(new String[] { "IsDiscovering", "IsConnectingOrDiscovering" });
Log.i(TAG, "Searching for " + (string)Application.Current.FindResource("AppNameCode") + " clients in local network ", true);
DiscoveredServerInfo found = await task;
if (found != null)
{
return(await ConnectToServerAsync(found.ConnectionIP, found.Port, found.ServerGUID));
}
Log.i(TAG, "No " + (string)Application.Current.FindResource("AppNameCode") + " clients in local network found", true);
return(false);
}
private void HandleAnswer(UdpReceiveResult answer, List <DiscoveredServerInfo> liResults, String strSource)
{
DiscoveryPacket recvPacket = DiscoveryPacket.ReadPacket(answer.Buffer);
if (recvPacket.IsValid)
{
if (recvPacket.IsAnswer() && recvPacket is DiscoveryPacket_Answer recvAnswer)
{
m_bRemoteMinVersionError = recvAnswer.MinProtocolVer > BBProtocol.CURRENT_PROTOCOL_VERSION;
m_bLocalMinVersionError = recvAnswer.MaxProtocolVer < BBProtocol.MIN_PROTOCOL_VERSION;
if (!m_bLocalMinVersionError && !m_bRemoteMinVersionError)
{
DiscoveredServerInfo info = new DiscoveredServerInfo(recvAnswer, answer.RemoteEndPoint.Address);
if (!liResults.Contains(info))
{
liResults.Add(info);
// Only return the server as First Result (to be connected to) if it's the Default Server or no Default has been set
if (Properties.Settings.Default.DefaultServer == 0 || info.ServerGUID == Properties.Settings.Default.DefaultServer)
{
m_wbFirstResult.Post(info);
}
AddFoundServer(info);
Log.d(TAG, "Recveid answer from " + strSource + " - " + info.getDebugString());
}
else
{
Log.d(TAG, "Ignored duplicate answer from " + strSource + " - " + info.getDebugString());
}
}
else
{
Log.d(TAG, "Protocolversion not supported in answer from " + strSource);
}
}
else
{
Log.e(TAG, "Unknown/unexpected packet received from " + answer.RemoteEndPoint);
}
}
else
{
Log.e(TAG, "Invalid packet received from " + answer.RemoteEndPoint + " - " + recvPacket.ParseError);
}
}