private void DequeueDbOperations() { bool faulted = false; int pendingOps = 0; do { _state.Locked(state => { string action = null; try { // attempt insert (if any) if (state.InsertQueue.Count > 0) { CommonItem item = state.InsertQueue.Peek(); action = $"create {item.ItemKind}: '{item.Name}' {item.Id} ({item.AppScope})"; state.ItemTable.InsertItem(item); // insert done state.CompletedCount++; state.InsertQueue.Dequeue(); StatsCountersDelta.AddToHierarchy($"Inserted.{item.ItemKind}.{item.DataTypeName}"); } else { // attempt delete (if any) if (state.DeleteQueue.Count > 0) { Guid itemId = state.DeleteQueue.Peek(); action = $"delete {itemId}"; state.ItemTable.DeleteItem(itemId); // delete done state.CompletedCount++; state.DeleteQueue.Dequeue(); StatsCountersDelta.Add("Deleted", 1); } } pendingOps = state.InsertQueue.Count + state.DeleteQueue.Count; } catch (Exception e) { faulted = true; state.ExceptionCount++; Logger.LogDebug("Failed to {0}", action); Logger.Log(e); } }); }while(pendingOps > 0 && !faulted); }
// Core V3.4 server implementation #region ISessCtrlV131 Members /// <summary> /// /// </summary> /// <param name="header"></param> /// <param name="clientInfo"></param> /// <returns></returns> public V131SessionReply BeginSessionV131(V131SessionHeader header, V131ClientInfo clientInfo) { // validate new client Guid clientId = clientInfo.NodeGuid; // - ensure configured client/server envs are the same if (CoreHelper.ToEnvId(clientInfo.ConfigEnv) != _serverCfg.ModuleInfo.ConfigEnv) { // not valid string msg = $"Client environment ({clientInfo.ConfigEnv}) <> server environment ({_serverCfg.ModuleInfo.ConfigEnv})!"; Logger.LogWarning(msg); return(new V131SessionReply(msg)); } // - ensure build environment is backward compatible if (CoreHelper.ToEnvId(clientInfo.BuildEnv) < _serverCfg.ModuleInfo.BuildEnv) { // not valid string msg = $"Client build environment ({clientInfo.BuildEnv}) < server build environment ({_serverCfg.ModuleInfo.BuildEnv})!"; Logger.LogWarning(msg); return(new V131SessionReply(msg)); } // - check client version const string minimumVersion = "3.4.1723.1"; // 1.1.1501.1 March 01, 2019 const string optimalVersion = "3.4.1723.1"; if (!V131Helpers.CheckRequiredFileVersion(Logger, minimumVersion, clientInfo.CompInfo.AssmFVer)) { // older than minimum - reject connection string msg = $"Client version ({clientInfo.CompInfo.AssmFVer}) < minimum version ({minimumVersion})!"; Logger.LogError(msg); Logger.LogDebug("Connection: '{0}' rejected ({1})", clientId, header.ReplyAddress); return(new V131SessionReply(msg)); } if (!V131Helpers.CheckRequiredFileVersion(Logger, optimalVersion, clientInfo.CompInfo.AssmFVer)) { // older than optimal - log warning string msg = $"Client version ({clientInfo.CompInfo.AssmFVer}) < optimal version ({optimalVersion})!"; Logger.LogWarning(msg); } // - ensure STG/PRD envs servers only accessed by valid clients if (_serverCfg.ModuleInfo.ConfigEnv >= EnvId.Stg_StagingLive && (clientInfo.CompInfo.AssmPTok != _serverCfg.ModuleInfo.CorePTok)) { string msg = $"Client signature ({clientInfo.CompInfo.AssmPTok}) <> server signature ({_serverCfg.ModuleInfo.CorePTok})!"; Logger.LogWarning(msg); return(new V131SessionReply(msg)); } // - ensure automated unit tests are not running integration tests if (_serverCfg.ModuleInfo.ConfigEnv >= EnvId.Sit_SystemTest && clientInfo.ApplInfo.AssmName.Equals("QTAgent32", StringComparison.OrdinalIgnoreCase)) { string msg = $"Unauthorised client: {clientInfo.UserInfo.UserIdentityName} {clientInfo.HostName} {clientInfo.ApplInfo.AssmName}"; Logger.LogWarning(msg); return(new V131SessionReply(msg)); } IConnection newConnection; // build correct connection version if (header.ReplyContract == typeof(ITransferV341).FullName) { newConnection = new ConnectionV34( Logger, _cacheEngine, _serverCfg, clientId, header.ReplyAddress, NodeType.Client); } else { // reply contract not supported string msg = $"ReplyContract not supported: {header.ReplyContract}"; Logger.LogWarning(msg); return(new V131SessionReply(msg)); } // success - grant access IConnection connection = _connectionIndex.GetOrSet(clientId, () => newConnection); connection.ReplyAddress = header.ReplyAddress; _cacheEngine.UpdateConnectionState(connection.ClientId, connection.ContractName, connection.ReplyAddress); // update who stats: domain/name/host/app StatsCountersDelta.AddToHierarchy( $"ConnUser.{clientInfo.UserInfo.UserIdentityName}.{clientInfo.HostName}.{clientInfo.ApplInfo.AssmName}"); // update where stats: ip/host/app StatsCountersDelta.AddToHierarchy( $"ConnHost.{clientInfo.HostIpV4}.{clientInfo.HostName}.{clientInfo.ApplInfo.AssmName}"); // update version stats: StatsCountersDelta.AddToHierarchy( $"CVersion.{clientInfo.BuildEnv}.{string.Join(".", clientInfo.CompInfo.AssmFVer.Split('.'), 0, 2).Replace('.', '_')}.{String.Join(".", clientInfo.CompInfo.AssmFVer.Split('.'), 2, 2).Replace('.', '_')}.{clientInfo.HostName}.{clientInfo.ApplInfo.AssmName}"); Logger.LogDebug("Connection: '{0}' created ({1})", clientId, header.ReplyAddress); if (header.DebugRequest) { Logger.LogDebug(" Identity : {0} ({1})", clientInfo.UserInfo.UserIdentityName, clientInfo.UserInfo.UserFullName); Logger.LogDebug(" Application: {0} V{1}/{2} ({3}/{4})", clientInfo.ApplInfo.AssmName, clientInfo.ApplInfo.AssmNVer, clientInfo.ApplInfo.AssmFVer, clientInfo.ApplInfo.AssmPTok, clientInfo.ApplInfo.AssmHash); Logger.LogDebug(" Component : {0} V{1}/{2} ({3}/{4})", clientInfo.CompInfo.AssmName, clientInfo.CompInfo.AssmNVer, clientInfo.CompInfo.AssmFVer, clientInfo.CompInfo.AssmPTok, clientInfo.CompInfo.AssmHash); Logger.LogDebug(" Client Env.: {0} ({1} build)", clientInfo.ConfigEnv, clientInfo.BuildEnv); Logger.LogDebug(" Client Intf: {0}", header.ReplyContract); Logger.LogDebug(" Other Addrs: {0} ({1},{2})", clientInfo.HostName, clientInfo.HostIpV4, String.Join(",", clientInfo.NetAddrs.ToArray())); } return(new V131SessionReply(clientId, null)); }