private void ProcOldMessages(CallContext cntx, SignalRMessageServiceProxy msgsvc) { var hsvc = new SignalRHostStateServiceProxy(); var host = hsvc.LoadEntityByNature(cntx, config.HostName, config.App.ID).SingleOrDefault(); if (host == null) { host = new SignalRHostState { HostName = config.HostName, ApplicationID = config.App.ID, LastMsgId = 0 }; var x = hsvc.AddOrUpdateEntities(cntx, new SignalRHostStateSet(), new SignalRHostState[] { host }); host = x.ChangedEntities[0].UpdatedItem; } DateTime dt = DateTime.UtcNow.AddHours(-config.TimeWindowInHours); QueryExpresion qexpr = new QueryExpresion(); qexpr.OrderTks = new List <QToken>(new QToken[] { new QToken { TkName = "ID" }, new QToken { TkName = "desc" } }); qexpr.FilterTks = new List <QToken>(new QToken[] { new QToken { TkName = "ApplicationID == \"" + config.App.ID + "\" && ID > " + host.LastMsgId + " && TimeStamp > " + dt.Ticks } }); var msgs = msgsvc.QueryDatabaseLimited(cntx, new SignalRMessageSet(), qexpr, config.MaxBacklogMessages).ToArray(); if (msgs.Length > 0) { host.LastMsgId = msgs[0].ID; LastMessageId = (ulong)host.LastMsgId; IsLastMessageIdChanged = true; foreach (var e in from d in msgs orderby d.ID ascending select d) { OnReceived(0, (ulong)e.ID, ScaleoutMessage.FromBytes(e.MesssageData)); } } }
private static void KeepAliveThread() { SignalRHostStateSet set = new SignalRHostStateSet(); try { evt.Set(); int failCount = 0; var cntx = Cntx; var hsvc = new SignalRHostStateServiceProxy(); var host = hsvc.LoadEntityByNature(cntx, config.HostName, config.App.ID).SingleOrDefault(); if (host == null) { host = new SignalRHostState { HostName = config.HostName, ApplicationID = config.App.ID, LastMsgId = 0 }; var x = hsvc.AddOrUpdateEntities(cntx, new SignalRHostStateSet(), new SignalRHostState[] { host }); host = x.ChangedEntities[0].UpdatedItem; } while (true) { Thread.Sleep(1000 * config.HostStateUpdateIntervalInSeconds); hsvc = new SignalRHostStateServiceProxy(); if (IsLastMessageIdChanged) { host = new SignalRHostState { IsPersisted = true, HostName = config.HostName, ApplicationID = config.App.ID, LastMsgId = (long)LastMessageId, IsLastMsgIdModified = true }; try { hsvc.AddOrUpdateEntities(cntx, set, new SignalRHostState[] { host }); IsLastMessageIdChanged = false; if (failCount > 0) { Current.Subscribe(); failCount = 0; } } catch { failCount++; } } else { try { bool b = Current.PollMessages(cntx, LastMessageId); if (b || (Current.lastSent - Current.lastReceived) > TimeSpan.FromSeconds(20) || failCount > 0) { Current.Subscribe(); failCount = 0; } } catch { failCount++; } } if (Current.CallbackFailed) { try { Current.Subscribe(); failCount = 0; } catch { failCount++; } } } } finally { LastMessageIdUpdateThread = null; } }
private static void KeepAliveThread() { SignalRHostStateSet set = new SignalRHostStateSet(); try { evt.Set(); int failCount = 0; var cntx = Cntx; var hsvc = new SignalRHostStateServiceProxy(); var host = hsvc.LoadEntityByNature(cntx, config.HostName, config.App.ID).SingleOrDefault(); if (host == null) { host = new SignalRHostState { HostName = config.HostName, ApplicationID = config.App.ID, LastMsgId = 0 }; var x = hsvc.AddOrUpdateEntities(cntx, new SignalRHostStateSet(), new SignalRHostState[] { host }); host = x.ChangedEntities[0].UpdatedItem; } while (true) { Thread.Sleep(1000 * config.HostStateUpdateIntervalInSeconds); hsvc = new SignalRHostStateServiceProxy(); if (IsLastMessageIdChanged) { host = new SignalRHostState { IsPersisted = true, HostName = config.HostName, ApplicationID = config.App.ID, LastMsgId = (long)LastMessageId, IsLastMsgIdModified = true }; try { hsvc.AddOrUpdateEntities(cntx, set, new SignalRHostState[] { host }); IsLastMessageIdChanged = false; if (failCount > 0) { Current.Subscribe(); failCount = 0; } } catch { failCount++; } } else { try { bool b = Current.PollMessages(cntx, LastMessageId); if (b || (Current.lastSent - Current.lastReceived) > TimeSpan.FromSeconds(20) || failCount > 0) { Current.Subscribe(); failCount = 0; } } catch { failCount++; } } if (Current.CallbackFailed) { try { Current.Subscribe(); failCount = 0; } catch { failCount++; } } } } finally { LastMessageIdUpdateThread = null; } }