private static void HandleMessage(IMasterServerMessageBase message, NetIncomingMessage netMsg, NetPeer peer) { if (BannedIpsRetriever.IsBanned(netMsg.SenderEndPoint)) { LunaLog.Debug($"Ignoring BANNED ip: {netMsg.SenderEndPoint}"); return; } try { switch ((message?.Data as MsBaseMsgData)?.MasterServerMessageSubType) { case MasterServerMessageSubType.RegisterServer: RegisterServer(message, netMsg); break; case MasterServerMessageSubType.RequestServers: LunaLog.Normal($"LIST REQUEST from: {netMsg.SenderEndPoint}"); SendServerLists(netMsg, peer); break; case MasterServerMessageSubType.Introduction: var msgData = (MsIntroductionMsgData)message.Data; if (ServerDictionary.TryGetValue(msgData.Id, out var server)) { LunaLog.Normal($"INTRODUCTION request from: {netMsg.SenderEndPoint} to server: {server.ExternalEndpoint}"); peer.Introduce(server.InternalEndpoint, server.ExternalEndpoint, msgData.InternalEndpoint, // client internal netMsg.SenderEndPoint, // client external msgData.Token); // request token } else { LunaLog.Warning($"Client {netMsg.SenderEndPoint} requested introduction to non listed host!"); } break; } } catch (Exception e) { LunaLog.Error($"Error handling message. Details: {e}"); } }
private static void RemoveExpiredServers() { Task.Run(async() => { while (RunServer) { var serversIdsToRemove = ServerDictionary .Where(s => LunaNetworkTime.UtcNow.Ticks - s.Value.LastRegisterTime > TimeSpan.FromMilliseconds(ServerMsTimeout).Ticks || BannedIpsRetriever.IsBanned(s.Value.ExternalEndpoint)) .ToArray(); foreach (var serverId in serversIdsToRemove) { LunaLog.Normal($"REMOVING SERVER: {serverId.Value.ExternalEndpoint}"); ServerDictionary.TryRemove(serverId.Key, out _); } await Task.Delay(ServerRemoveMsCheckInterval); } }); }
private static void HandleMessage(IMasterServerMessageBase message, NetIncomingMessage netMsg, NetPeer peer) { if (BannedIpsRetriever.IsBanned(netMsg.SenderEndPoint)) { LunaLog.Debug($"Ignoring BANNED ip: {netMsg.SenderEndPoint}"); return; } try { switch ((message?.Data as MsBaseMsgData)?.MasterServerMessageSubType) { case MasterServerMessageSubType.RegisterServer: RegisterServer(message, netMsg); break; case MasterServerMessageSubType.RequestServers: LunaLog.Normal($"LIST REQUEST from: {netMsg.SenderEndPoint}"); SendServerLists(netMsg, peer); break; case MasterServerMessageSubType.Introduction: var msgData = (MsIntroductionMsgData)message.Data; if (ServerDictionary.TryGetValue(msgData.Id, out var server)) { _ = Task.Run(() => { if (!server.InternalEndpoint6.Address.Equals(IPAddress.IPv6Loopback) && !server.InternalEndpoint6.Address.Equals(IPAddress.IPv6Loopback)) { // Both client and server are listening on IPv6, try an IPv6 firewall punchthrough // This also triggers a first punchthrough on IPv4 with the public addresses LunaLog.Normal( $"INTRODUCTION request from: {msgData.InternalEndpoint6} to server: {server.InternalEndpoint6}"); peer.Introduce(server.InternalEndpoint6, server.ExternalEndpoint, msgData.InternalEndpoint6, // client internal netMsg.SenderEndPoint, // client external msgData.Token); // request token // Give the first introduction attempt some time Thread.Sleep(50); } LunaLog.Normal( $"INTRODUCTION request from: {netMsg.SenderEndPoint} to server: {server.ExternalEndpoint}"); peer.Introduce(server.InternalEndpoint, server.ExternalEndpoint, msgData.InternalEndpoint, // client internal netMsg.SenderEndPoint, // client external msgData.Token); // request token }); } else { LunaLog.Warning($"Client {netMsg.SenderEndPoint} requested introduction to non listed host!"); } break; } } catch (Exception e) { LunaLog.Error($"Error handling message. Details: {e}"); } }