private void CheckBarSubscribers(Tick aTick, Level1Subscribers subscribers) { List <AlertSubscription> alertSubscriptions; lock (subscribers) { alertSubscriptions = new List <AlertSubscription>(subscribers.AlertSubscribers); } for (int i = 0; i < alertSubscriptions.Count; i++) { bool fire = alertSubscriptions[i].AppendTick(aTick); if (fire) { AlertSubscribeResponse response = new AlertSubscribeResponse { Id = alertSubscriptions[i].Id, AlertName = alertSubscriptions[i].AlertName, Alert = new Alert { Name = alertSubscriptions[i].Name, Symbol = alertSubscriptions[i].Symbol, Timestamp = aTick.Date, }, User = DataServer.MessageRouter.gMessageRouter.GetUserInfoByLogin(alertSubscriptions[i].Login) }; alertSubscriptions[i].AddFiredAlertToHistory(response.Alert); if (response.User != null) { PushResponses(response.User.ID, new ResponseMessage[] { response }); } else { //send remote notification DataServer.MessageRouter.gMessageRouter.PushRemoteNotification(alertSubscriptions[i].Login, alertSubscriptions[i].Id, alertSubscriptions[i].AlertName, response.Alert); } } } }
private void SubscribeRequest(SubscribeRequest aRequest) { Level1Subscribers aLevel1Subscribers; Tick aTick; Validate(aRequest); lock (m_Level1SubscribersBySymbols) { if (!m_Level1SubscribersBySymbols.TryGetValue(aRequest.Symbol, out aLevel1Subscribers)) { aLevel1Subscribers = new Level1Subscribers(); aLevel1Subscribers.Subscribers = new List <string>(); aLevel1Subscribers.AlertSubscribers = new List <AlertSubscription>(); m_Level1SubscribersBySymbols.Add(aRequest.Symbol, aLevel1Subscribers); } } lock (aLevel1Subscribers) { if (!aLevel1Subscribers.Subscribers.Contains(aRequest.User.ID)) { aLevel1Subscribers.Subscribers.Add(aRequest.User.ID); } aTick = aLevel1Subscribers.Tick; } if (aTick != null) { PushTick(aRequest.User.ID, aTick); } IDataFeed aDataFeed = GetDataFeedByName(aRequest.Symbol.DataFeed); if (aDataFeed != null) { aDataFeed.Subscribe(aRequest.Symbol); } }
private void SubscribeAlert(AlertSubscribeRequest aRequest) { var errorString = TradeScript.Validate(aRequest.Script); if (aRequest.Script == string.Empty) { errorString = "Script can not be empty"; } if (errorString != string.Empty) { var response = new AlertSubscribeResponse { Id = aRequest.Id, Error = errorString, AlertName = aRequest.AlertName, Alert = new Alert { Name = aRequest.Name, Symbol = aRequest.Symbol }, User = aRequest.User }; PushResponses(aRequest.User.ID, new ResponseMessage[] { response }); return; } var selection = new HistoryParameters(aRequest.Id, aRequest.Symbol, aRequest.Periodicity, aRequest.Interval, aRequest.BarsCount); IDataFeed aDataFeed = GetDataFeedByName(aRequest.Symbol.DataFeed); if (aDataFeed != null) { GetHistoryCtx aCtx = GetHistoryCtx(selection, aDataFeed.TimeZoneInfo); aCtx.Request = new HistoryRequest(selection); aCtx.DataFeed = aDataFeed; ThreadPool.QueueUserWorkItem(o => { aDataFeed.GetHistory(aCtx, (ctx, bars) => { Level1Subscribers subscribers = null; var symbolItem = new SymbolItem() { DataFeed = aRequest.Symbol.DataFeed, Exchange = aRequest.Symbol.Exchange, Symbol = aRequest.Symbol.Symbol, Type = aRequest.Symbol.Type }; lock (m_Level1SubscribersBySymbols) { if (!m_Level1SubscribersBySymbols.TryGetValue(aRequest.Symbol, out subscribers)) { subscribers = new Level1Subscribers(); subscribers.Subscribers = new List <string>(); subscribers.AlertSubscribers = new List <AlertSubscription>(); m_Level1SubscribersBySymbols.Add(aRequest.Symbol, subscribers); } } AlertSubscription alert = new AlertSubscription() { Id = aRequest.Id, AlertName = aRequest.AlertName, Symbol = symbolItem, Name = aRequest.Name, Periodicity = aRequest.Periodicity, Interval = aRequest.Interval, Script = aRequest.Script, UserSessionId = aRequest.User.ID, Login = aRequest.User.Login, CalculationType = aRequest.CalculationType }; alert.InitAlert(bars); lock (subscribers.AlertSubscribers) { subscribers.AlertSubscribers.Add(alert); } aDataFeed.Subscribe(aRequest.Symbol); }); }); } }