public async Task UpdateRoomState(Guid roomId, int roomPlayersCount, RoomState roomState, string matchMakerUrl, int maxMatchMakingWeight)
{
try
{
if (string.IsNullOrWhiteSpace(matchMakerUrl))
{
_logger.Error($"SendRoomStateUpdate error: matchmaker URL is empty in properties container");
return;
}
await _requestSender.SendRequest <UpdateRoomStateResponse>(matchMakerUrl,
new UpdateRoomStateRequest(roomId, roomPlayersCount, roomState, maxMatchMakingWeight), (r) =>
{
if (!r.Success)
{
_logger.Error($"Room update error: {r.Message}");
}
else
{
_logger.Debug($"Room update to {matchMakerUrl} with players count {roomPlayersCount}, state {roomState} successful");
}
});
}
catch (Exception e)
{
_logger.Error($"Update room state error: {e}");
}
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IShamanLogger logger, IRouterServerInfoProvider serverInfoProvider)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseCookiePolicy();
if (IsMetricsEnabled())
{
app.UseMiddleware <RequestMetricsMiddleWare>();
}
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
serverInfoProvider.Start();
logger.Error($"Initial server list: {JsonConvert.SerializeObject(serverInfoProvider.GetAllServers(), Formatting.Indented)}");
logger.Error($"Initial bundles list: {JsonConvert.SerializeObject(serverInfoProvider.GetAllBundles(), Formatting.Indented)}");
}
public int CleanUp()
{
int removedPlayers = 0;
try
{
foreach (var player in _roomPlayers.ToArray())
{
if (_roomPlayers.TryRemove(player.Key, out _))
{
player.Value.Peer.Disconnect(ServerDisconnectReason.RoomCleanup);
++removedPlayers;
}
}
_packetSender.Stop();
_roomController.Dispose();
_taskScheduler.RemoveAll();
_roomPlayers.Clear();
//close room on matchmaker
Close();
}
catch (Exception e)
{
_logger?.Error($"Error disposing room: {e}");
}
finally
{
_logger?.Error($"RoomStats: {_roomStats}");
}
return(removedPlayers);
}
public bool AddPeerToRoom(IPeer peer, Dictionary <byte, object> peerProperties)
{
if (!_roomPlayers.TryAdd(peer.GetSessionId(), new RoomPlayer(peer, peerProperties)))
{
_logger.Error($"Error adding player to peer collection");
return(false);
}
return(true);
}
public void ProcessConfirmChangeIdEvent(int playerIndex, ConfirmChangeIdEventBase eve)
{
var type = eve.GetType();
if (!_typeToSyncers.TryGetValue(type, out var syncer))
{
_logger.Error($"ProcessConfirmChangeIdEvent error: Can not get syncer for type {type}");
return;
}
syncer.ConfirmChangeId(playerIndex, eve.ChangeId);
}
private void TrackMmTime(MatchMakingPlayer oldestPlayer)
{
if (oldestPlayer != null && oldestPlayer.AddedToMmGroupOn.HasValue)
{
_mmMetrics.TrackMmCompleted((long)(DateTime.UtcNow - oldestPlayer.AddedToMmGroupOn.Value).TotalMilliseconds);
}
else
{
_logger.Error($"Oldest player not found when tracking MM time");
}
}
public async Task <T> SendRequest <T>(string serviceUrl, HttpRequestBase request)
where T : HttpResponseBase, new()
{
var responseObject = new T();
var stopwatch = Stopwatch.StartNew();
var requestUri = $"{serviceUrl}/{request.EndPoint}";
try
{
if (string.IsNullOrWhiteSpace(serviceUrl))
{
throw new Exception($"Base Url address is empty for {request.GetType()}");
}
if (string.IsNullOrWhiteSpace(request.EndPoint))
{
throw new Exception($"Request endpoint Url address is empty for {request.GetType()}");
}
using (var client = HttpClientFactory.Create())
{
client.Timeout = new TimeSpan(0, 0, 15);
var byteContent = new ByteArrayContent(_serializer.Serialize(request));
using (var message = await client.PostAsync(requestUri, byteContent))
{
if (!message.IsSuccessStatusCode)
{
_logger.Error($"SendRequest {request.GetType()} to {requestUri} error ({stopwatch.ElapsedMilliseconds}ms): {message.StatusCode}");
responseObject.ResultCode = ResultCode.SendRequestError;
}
else
{
var contentStream = await message.Content.ReadAsStreamAsync();
responseObject = _serializer.DeserializeAs <T>(contentStream);
}
}
}
}
catch (Exception e)
{
_logger.Error($"SendRequest {request.GetType()} to {requestUri} error ({stopwatch.ElapsedMilliseconds}ms): {e}");
responseObject.ResultCode = ResultCode.SendRequestError;
}
return(responseObject);
}
public void Add(MatchMakingPlayer player, List <Guid> groups)
{
lock (_syncCollection)
{
if (_players.ContainsKey(player.Id))
{
_players.Remove(player.Id);
_logger.Error($"Player {player.Id} already added. Deleting previous");
}
_players.Add(player.Id, player);
_mmMetrics.TrackPlayerAdded();
foreach (var group in groups)
{
if (!_mmGroupToPlayer.ContainsKey(group))
{
_mmGroupToPlayer.Add(group, new List <MatchMakingPlayer>());
}
_mmGroupToPlayer[group].Add(player);
if (!_playerToMmGroup.ContainsKey(player.Id))
{
_playerToMmGroup.Add(player.Id, new List <Guid>());
}
_playerToMmGroup[player.Id].Add(group);
}
}
}
// private string GetUrl(int gameServerId)
// {
// var server = _gameServerList[gameServerId];
// if (server == null)
// throw new Exception($"GetUrl error: there is no game server with id = {gameServerId}");
//
// return UrlHelper.GetUrl(server.HttpPort, server.HttpsPort, server.Address);
// }
public async Task <Guid> CreateRoom(string gameServerUrl, Guid roomId, Dictionary <byte, object> properties, Dictionary <Guid, Dictionary <byte, object> > players)
{
var response = await _requestSender.SendRequest <CreateRoomResponse>(gameServerUrl, new CreateRoomRequest(properties, players)
{
RoomId = roomId
});
if (!response.Success)
{
var msg = $"CreateRoom error: {response.Message}";
_logger.Error(msg);
throw new Exception(msg);
}
return(response.RoomId);
}
public void Connect(string address, int port)
{
//switch Sockets implementation.BEGIN
//_socket = new HazelSock(_logger);
_socket = new LiteNetSock(_logger);
//switch sockets implementation.END
_socket.OnPacketReceived += (endPoint, dataPacket, release) =>
{
_onPackageReceived(dataPacket, release);
//todo if using hazel then this part should be considered in releaseAction param
// _socket.ReturnBufferToPool(dataPacket.Buffer);
};
_socket.OnDisconnected += OnDisconnected;
_socket.OnConnected += ep => { OnConnectedToServer?.Invoke(); };
_ep = GetIPEndPointFromHostName(address, port, false); // new IPEndPoint(IPAddress.Parse(address), port);
_socket.Connect(_ep);
_connected = true;
_isTicking = false;
//Send(new ConnectedEvent());
_socketTickTask = _taskScheduler.ScheduleOnInterval(() =>
{
lock (_stateSync)
{
if (!_connected)
{
return;
}
lock (_isTickingMutex)
{
if (_isTicking)
{
return;
}
_isTicking = true;
}
try
{
_socket.Tick();
}
catch (Exception ex)
{
_logger.Error($"Socket tick error: {ex}");
}
finally
{
lock (_isTickingMutex)
_isTicking = false;
}
}
}, 0, 10);
_logger?.Debug($"Receive loop started");
}
private async Task Load()
{
var requestNumber = _getBackendsListRequestCount++;
//request backends list
var serverInfos = await _routerClient.GetServerInfoList(false);
if (!serverInfos.Any())
{
return;
}
var meList =
serverInfos.Where(s => s.Identity.Equals(_serverIdentity)).ToArray();
if (!meList.Any())
{
_logger.Error($"BackendProvider.Load error: can not find me({_serverIdentity}) in serve list");
return;
}
if (meList.Length > 1)
{
_logger.Error($"BackendProvider.Load attention: more than 1 servers matched me - (record ids: {string.Join<int>(",",meList.Select(m=>m.Id))}) in serve list");
}
_me = meList.First();
var backends = serverInfos.Where(s =>
s.ServerRole == ServerRole.BackEnd && s.Region == _me.Region &&
s.IsApproved && s.AreVersionsIntersect(_me)).ToList();
if (!backends.Any())
{
_logger.Error($"Received 0 backends from Router!");
}
else
{
if (requestNumber == 1)
{
_logger.Info($"Received {backends.Count} backends from Router");
}
_backends = backends;
}
}
public BundleSettingsMetaProvider(IBundleConfig bundleConfig, IShamanLogger logger)
{
_logger = logger;
_metaUrl = bundleConfig.GetValueOrNull("MetaUrl");
if (string.IsNullOrWhiteSpace(_metaUrl))
{
_logger.Error($"Meta server url was not set in bundle settings file");
}
}
public void Send(byte[] buffer, int offset, int length, bool reliable, bool orderControl, bool returnAfterSend = true)
{
if (_serverPeer == null)
{
_logger.Error($"Server peer is null");
}
_serverPeer?.Send(buffer, offset, length, GetDeliveryMode(reliable, orderControl));
}
private void GetRooms()
{
SendShamanRequest <GetRoomListResponse>(new GetRoomListRequest(_matchMakingProperties), response =>
{
if (!response.Success)
{
var error = $"GetRooms: Error response {response.Message}";
_logger.Error(error);
_getRoomsCallback(new List <RoomInfo>());
return;
}
_getRoomsCallback(response.Rooms);
});
}
public async Task Actualize(int peersCount)
{
var response = await _requestSender.SendRequest <ActualizeServerOnRouterResponse>(_routingConfig.RouterUrl,
new ActualizeServerOnRouterRequest(_routingConfig.Identity, _routingConfig.ServerName, _routingConfig.Region, peersCount, _routingConfig.HttpPort, _routingConfig.HttpsPort));
if (!response.Success)
{
_logger.Error($"MatchMakerServerInfoProvider.ActualizeMe error: {response.Message}");
}
}
public async Task <ActionResult> CreateRoom()
{
//Request.Body.Position = 0;
var input = await Request.GetRawBodyBytesAsync();
var request = _serializer.DeserializeAs <CreateRoomRequest>(input);
CreateRoomResponse response = new CreateRoomResponse();
try
{
response.RoomId = _gameServerApi.CreateRoom(request.Properties, request.Players, request.RoomId);
}
catch (Exception ex)
{
_logger.Error($"Create room error: {ex}");
response.ResultCode = ResultCode.RequestProcessingError;
}
return(new FileContentResult(_serializer.Serialize(response), "text/html"));
}
public async Task <ActionResult> UpdateRoomState()
{
//Request.Body.Position = 0;
var input = await Request.GetRawBodyBytesAsync();
var request = _serializer.DeserializeAs <UpdateRoomStateRequest>(input);
var response = new UpdateRoomStateResponse();
try
{
_roomManager.UpdateRoomState(request.RoomId, request.CurrentPlayerCount, request.State, request.MaxMatchMakingWeight);
}
catch (Exception ex)
{
_logger.Error($"Update room state error: {ex}");
response.ResultCode = ResultCode.RequestProcessingError;
}
return(new FileContentResult(_serializer.Serialize(response), "text/html"));
}
public async Task Actualize(int peersCount)
{
var request = new ActualizeServerOnMatchMakerRequest(_config.GetIdentity(), _config.ServerName,
_config.Region, _statsProvider.GetPeerCount(), _config.BindToPortHttp, 0);
var response =
await _requestSender.SendRequest <ActualizeServerOnMatchMakerResponse>(_matchMakerInfoProvider.MatchMakerUrl, request);
if (!response.Success)
{
_logger.Error($"GameToMmServerActualizer error: {response.Message}");
}
}
private void CheckRoomsState()
{
foreach (var room in _rooms)
{
var roomValue = room.Value;
if (roomValue.IsGameFinished() || IsTimeToForceRoomDestroy(roomValue))
{
_logger.Error($"Room destroy with peers count {roomValue.GetPeerCount()}");
DeleteRoom(roomValue.GetRoomId());
}
}
_logger.Info($"Rooms state: Room count {GetRoomsCount()}, peers count {GetPlayersCount()}");
}
private async Task LoadConfig()
{
var startNew = Stopwatch.StartNew();
_serverList = await _configRepo.GetAllServerInfo();
_bundlesList = await _configRepo.GetBundlesInfo();
var updateElapsed = startNew.ElapsedMilliseconds;
if (updateElapsed > 5000)
{
_logger.Error($"Long data update: {updateElapsed}ms");
}
var staleList = _serverList.Where(l => l.IsApproved && l.ServerRole != ServerRole.BackEnd && !l.IsActual(30000)).ToArray();
if (staleList.Any())
{
_logger.Error($"Staled data ({string.Join(',',staleList.Select(s=>(DateTime.UtcNow - s.ActualizedOn.Value).TotalMilliseconds.ToString()))}) : {JsonConvert.SerializeObject(staleList, Formatting.Indented)}");
}
}
public async Task <string> GetBundleUri()
{
var messageSent = false;
while (true)
{
try
{
return(await GetBundleUriImpl());
}
catch (BundleNotFoundException e)
{
if (!messageSent)
{
_logger.Error($"Retry bundle in 3 sec: {e.Message}");
messageSent = true;
}
Thread.Sleep(BundleRetryMsec);
}
}
}
public IPendingTask ScheduleOnInterval(Func <Task> action, long firstInMs, long regularInMs, bool shortLiving = false)
{
var pending = new PendingTask(async() =>
{
try
{
await action();
}
catch (Exception e)
{
_logger?.Error($"ScheduleOnIntervalAsync task error: {e}");
}
}, firstInMs, regularInMs, _logger, shortLiving);
pending.Schedule();
lock (_listLock)
{
_tasks.Add(pending);
}
return(pending);
}
public Dictionary <int, float> GetPlayersMissRates(Guid repoId)
{
var result = new Dictionary <int, float>();
var indexes = _playerRepo.GetHumanPlayerIndexes().ToList();
var confirmationMisses = new Dictionary <int, int>();
if (!_confirmationRepoToChangeId.ContainsKey(repoId))
{
throw new Exception($"GetPlayersMissRates error: no repo {repoId}");
}
lock (_queueSync)
{
var totalChanges = _confirmationRepoToChangeId[repoId].Count;
foreach (var index in indexes)
{
confirmationMisses.Add(index, 0);
result.Add(index, 0);
}
foreach (var item in _confirmationRepoToChangeId[repoId])
{
if ((DateTime.UtcNow - _confirmationHistoryTime[item]).TotalMilliseconds < _trackIntervalMs)
{
continue;
}
foreach (var index in indexes)
{
var value = _confirmationHistory[item];
if (!IsConfirmedBy(value, index))
{
confirmationMisses[index]++;
}
}
}
foreach (var index in indexes)
{
result[index] = 100 * (float)confirmationMisses[index] / totalChanges;
if (result[index] == 100)
{
_logger.Error($"");
}
}
return(result);
}
}
public void UpdateRoomState(Guid roomId, int currentPlayers, RoomState roomState, int currentMaxWeight)
{
var room = GetRoom(roomId);
if (room == null)
{
_logger.Error($"UpdateRoomState error: no room with id {roomId}");
return;
}
room.MaxWeightToJoin = currentMaxWeight;
room.CurrentWeight = currentPlayers;
room.UpdateState(roomState);
_logger.Debug($"Update received: {roomId} State {roomState}");
}
public async Task <EntityDictionary <ServerInfo> > GetServerInfoList(bool actualOnly)
{
var response = await _requestSender.SendRequest <GetServerInfoListResponse>(_routingConfig.RouterUrl,
new GetServerInfoListRequest(actualOnly));
if (response.ResultCode != ResultCode.OK)
{
_logger.Error(
$"BackendProvider error: error getting backends {response.ResultCode}|{response.Message}");
_emptyList = new EntityDictionary <ServerInfo>();
return(_emptyList);
}
return(response.ServerInfoList);
}
public void UpdateRoom(Guid roomId, Dictionary <Guid, Dictionary <byte, object> > players)
{
lock (_syncPeersList)
{
var room = GetRoomById(roomId);
if (room != null)
{
room.UpdateRoom(players);
}
else
{
_logger?.Error($"UpdateRoom error: can not find room {roomId} to add new players");
return;
}
}
}
private void CheckConfirmations()
{
var missRates = _confirmationManager.GetPlayersMissRates(_id);
foreach (var item in missRates)
{
if (item.Value >= _forceSyncThreshold)
{
if (_playerRepo.IsPlayerExist(item.Key))
{
var sessionId = _playerRepo.GetPlayerSessionId(item.Key);
_logger.Error($"Forcing player {item.Key} to refresh repo with {typeof(TEvent)} (miss rate {item.Value})");
SendForceSync(sessionId);
_confirmationManager.ConfirmAllChanges(_id, item.Key);
}
}
}
}
private void Tick()
{
lock (_mutex)
{
foreach (var item in _connectsFromIp)
{
if (item.Value >= _config.MaxConnectsFromSingleIp)
{
_logger.Error($"Ddos probably: ip {item.Key}");
if (!_bannedTill.ContainsKey(item.Key))
{
_bannedTill.Add(item.Key, DateTime.UtcNow.AddMilliseconds(_config.BanDurationMs));
}
}
}
_connectsFromIp.Clear();
}
}
public bool IsBanned(IPEndPoint endPoint)
{
try
{
if (_config.IsConnectionDdosProtectionOn)
{
return(_ddosProtection.IsBanned(endPoint));
}
}
catch (Exception e)
{
//if something go wrong - we return false
_logger.Error($"IsBanned error: {e}");
return(false);
}
return(false);
}
private void ClientOnPackageReceived(IPacketInfo packet)
{
lock (_syncCollection)
{
var offsets = PacketInfo.GetOffsetInfo(packet.Buffer, packet.Offset);
foreach (var item in offsets)
{
try
{
ProcessMessage(packet.Buffer, item.Offset, item.Length);
}
catch (Exception ex)
{
_logger.Error($"Error processing message: {ex}");
}
}
packet.Dispose();
}
}
