using Serein.Library; using Serein.Library.Api; using Serein.Library.FlowNode; using Serein.Library.Utils; using Serein.Library.Utils.SereinExpression; using Serein.NodeFlow.Model; using Serein.NodeFlow.Model.Operation; using Serein.NodeFlow.Services; using Serein.NodeFlow.Tool; using Serein.Script.Node; using System; using System.Collections.Specialized; using System.Diagnostics; using System.Net.Http.Headers; using System.Net.Mime; using System.Reactive; using System.Reflection; using System.Security.AccessControl; using System.Text; namespace Serein.NodeFlow.Env { /// /// 运行环境 /// internal partial class LocalFlowEnvironment : IFlowEnvironment { /// /// 节点的命名空间 /// public const string SpaceName = $"{nameof(Serein)}.{nameof(NodeFlow)}.{nameof(Model)}"; /*public const string ThemeKey = "theme"; public const string DataKey = "data"; public const string MsgIdKey = "msgid"; */ /// /// 流程运行环境 /// public LocalFlowEnvironment(IFlowEnvironment flowEnvironment, IFlowEnvironmentEvent flowEnvironmentEvent, FlowLibraryService flowLibraryManagement, FlowOperationService flowOperationService, FlowModelService flowModelService, ISereinIOC sereinIOC, NodeMVVMService nodeMVVMService) { this.Event = flowEnvironmentEvent; this.NodeMVVMManagement = nodeMVVMService; this.flowOperationService = flowOperationService; this.flowModelService = flowModelService; this.IsGlobalInterrupt = false; this.FlowLibraryService = flowLibraryManagement; this.flowEnvIOC = sereinIOC; this.IOC = sereinIOC; InitNodeMVVM(); } /// /// 注册基本节点类型 /// private void InitNodeMVVM() { NodeMVVMManagement.RegisterModel(NodeControlType.UI, typeof(SingleUINode)); // 动作节点 NodeMVVMManagement.RegisterModel(NodeControlType.Action, typeof(SingleActionNode)); // 动作节点 NodeMVVMManagement.RegisterModel(NodeControlType.Flipflop, typeof(SingleFlipflopNode)); // 触发器节点 NodeMVVMManagement.RegisterModel(NodeControlType.ExpOp, typeof(SingleExpOpNode)); // 表达式节点 NodeMVVMManagement.RegisterModel(NodeControlType.ExpCondition, typeof(SingleConditionNode)); // 条件表达式节点 NodeMVVMManagement.RegisterModel(NodeControlType.GlobalData, typeof(SingleGlobalDataNode)); // 全局数据节点 NodeMVVMManagement.RegisterModel(NodeControlType.Script, typeof(SingleScriptNode)); // 脚本节点 NodeMVVMManagement.RegisterModel(NodeControlType.NetScript, typeof(SingleNetScriptNode)); // 脚本节点 NodeMVVMManagement.RegisterModel(NodeControlType.FlowCall, typeof(SingleFlowCallNode)); // 流程调用节点 } #region 远程管理 //private MsgControllerOfServer clientMsgManage; /// /// 表示是否正在控制远程 /// Local control remote env /// public bool IsControlRemoteEnv { get; set; } /// /// 打开远程管理 /// /// public async Task StartRemoteServerAsync(int port = 7525) { /*if (clientMsgManage is null) { clientMsgManage = new MsgControllerOfServer(this); //clientMsgManage = new MsgControllerOfServer(this,"123456"); } _ = clientMsgManage.StartRemoteServerAsync(port);*/ } /// /// 结束远程管理 /// public void StopRemoteServer() { /*try { clientMsgManage.StopRemoteServer(); } catch (Exception ex) { SereinEnv.WriteLine(InfoType.ERROR, "结束远程管理异常:" + ex); }*/ } #endregion #region 环境运行事件 /*/// /// 加载Dll /// public event LoadDllHandler? DllLoad; /// /// 移除DLL /// public event RemoteDllHandler? OnDllRemote; /// /// 项目加载完成 /// public event ProjectLoadedHandler? ProjectLoaded; /// /// 项目准备保存 /// public event ProjectSavingHandler? ProjectSaving; /// /// 节点连接属性改变事件 /// public event NodeConnectChangeHandler? NodeConnectChanged; /// /// 节点创建事件 /// public event NodeCreateHandler? NodeCreated; /// /// 移除节点事件 /// public event NodeRemoveHandler? NodeRemoved; /// /// 节点放置事件 /// public event NodePlaceHandler NodePlace; /// /// 节点取出事件 /// public event NodeTakeOutHandler NodeTakeOut; /// /// 起始节点变化事件 /// public event StartNodeChangeHandler? StartNodeChanged; /// /// 流程运行完成事件 /// public event FlowRunCompleteHandler? FlowRunComplete; /// /// 被监视的对象改变事件 /// public event MonitorObjectChangeHandler? MonitorObjectChanged; /// /// 节点中断状态改变事件 /// public event NodeInterruptStateChangeHandler? NodeInterruptStateChanged; /// /// 节点触发了中断 /// public event ExpInterruptTriggerHandler? InterruptTriggered; /// /// 容器改变 /// public event IOCMembersChangedHandler? IOCMembersChanged; /// /// 节点需要定位 /// public event NodeLocatedHandler? NodeLocated; /// /// 运行环境输出 /// public event EnvOutHandler? EnvOutput; /// /// 本地环境添加了画布 /// public event CanvasCreateHandler CanvasCreated; /// /// 本地环境移除了画布 /// public event CanvasRemoveHandler CanvasRemoved; */ #endregion #region 属性 /// /// 当前环境 /// public IFlowEnvironment CurrentEnv { get => this; } /// /// 流程事件 /// public IFlowEnvironmentEvent Event { get; set; } /// /// UI线程操作类 /// public UIContextOperation UIContextOperation { get; private set; } /// /// 节点MVVM管理服务 /// public NodeMVVMService NodeMVVMManagement { get; private set; } /// /// 信息输出等级 /// public InfoClass InfoClass { get; set; } = InfoClass.Trivial; /// /// 如果没有全局触发器,且没有循环分支,流程执行完成后自动为 Completion 。 /// public RunState FlowState { get; set; } = RunState.NoStart; /// /// 如果全局触发器还在运行,则为 Running 。 /// public RunState FlipFlopState { get; set; } = RunState.NoStart; /// /// 环境名称 /// public string EnvName { get; set; } = SpaceName; /// /// 本地加载的项目文件路径 /// public string ProjectFileLocation { get; set; } = string.Empty; /// /// 是否全局中断 /// public bool IsGlobalInterrupt { get; set; } /// /// 单例模式IOC容器,内部维护了一个实例字典,默认使用类型的FullName作为Key,如果以“接口-实现类”的方式注册,那么将使用接口类型的FullName作为Key。 /// 当某个类型注册绑定成功后,将不会因为其它地方尝试注册相同类型的行为导致类型被重新创建。 /// public ISereinIOC IOC { get { if (flowRunIOC is null) { flowRunIOC = new SereinIOC(); } return flowRunIOC; } set { flowRunIOC = value; } } #endregion #region 私有变量 /// /// 装饰器运行环境类 /// private readonly IFlowEnvironment mainFlowEnvironment; /// /// 流程运行时的IOC容器 /// private ISereinIOC flowRunIOC; /// /// local环境的IOC容器,主要用于注册本地环境的服务 /// private ISereinIOC flowEnvIOC; /// /// 通过程序集名称管理动态加载的程序集,用于节点创建提供方法描述,流程运行时提供Emit委托 /// private readonly FlowLibraryService FlowLibraryService; /// /// 流程节点操作服务 /// private readonly FlowOperationService flowOperationService; /// /// 流程画布、节点实体管理服务 /// private readonly FlowModelService flowModelService; /* /// /// 环境加载的节点集合 /// Node Guid - Node Model /// private Dictionary NodeModels { get; } = []; /// /// 运行环境加载的画布集合 /// private Dictionary FlowCanvass { get; } = []; /// /// 存放触发器节点(运行时全部调用) /// private List FlipflopNodes { get; } = []; */ /// /// 流程任务管理 /// private FlowWorkManagement? flowTaskManagement; #endregion #region 环境对外接口 /// /// 输出信息 /// /// 日志内容 /// 日志类别 /// 日志级别 public void WriteLine(InfoType type, string message, InfoClass @class = InfoClass.Trivial) { if (@class >= this.InfoClass) { Event.OnEnvOutput(type, message); } //Console.WriteLine($"{DateTime.UtcNow} [{type}] : {message}{Environment.NewLine}"); } /// /// 异步运行 /// /// public async Task StartFlowAsync(string[] canvasGuids) { #region 校验参数 HashSet guids = new HashSet(); bool isBreak = false; foreach (var canvasGuid in canvasGuids) { if (guids.Contains(canvasGuid)) { SereinEnv.WriteLine(InfoType.WARN, $"画布重复,停止运行。{canvasGuid}"); isBreak = true; } else if (!flowModelService.ContainsCanvasModel(canvasGuid)) { SereinEnv.WriteLine(InfoType.WARN, $"画布不存在,停止运行。{canvasGuid}"); isBreak = true; } else if(!flowModelService.IsExsitNodeOnCanvas(canvasGuid)) { SereinEnv.WriteLine(InfoType.WARN, $"画布没有节点,停止运行。{canvasGuid}"); isBreak = true; } else { guids.Add(canvasGuid); } } if (isBreak) { guids.Clear(); return false; } #endregion #region 初始化每个画布的数据,转换为流程任务 Dictionary flowTasks = []; foreach (var guid in guids) { if (!TryGetCanvasModel(guid, out var canvasModel)) { SereinEnv.WriteLine(InfoType.WARN, $"画布不存在,停止运行。{guid}"); return false; } var ft = new FlowTask(); ft.GetNodes = () => flowModelService.GetAllNodeModel(guid); if (canvasModel.StartNode?.Guid is null) { SereinEnv.WriteLine(InfoType.WARN, $"画布不存在起始节点,将停止运行。{guid}"); return false; } ft.GetStartNode = () => canvasModel.StartNode; flowTasks.Add(guid, ft); } #endregion IOC.Reset(); IOC.Register(()=> mainFlowEnvironment); IOC.Register(); // 注册脚本接口 var flowTaskOptions = new FlowWorkOptions { Environment = this, // 流程 Flows = flowTasks, FlowContextPool = new ObjectPool(() => new DynamicContext(this)), // 上下文对象池 AutoRegisterTypes = this.FlowLibraryService.GetaAutoRegisterType(), // 需要自动实例化的类型 InitMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Init), LoadMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Loading), ExitMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Exit), }; flowTaskManagement = new FlowWorkManagement(flowTaskOptions); var cts = new CancellationTokenSource(); try { var t = await flowTaskManagement.RunAsync(cts.Token); } catch (Exception ex) { SereinEnv.WriteLine(ex); } finally { SereinEnv.WriteLine(InfoType.INFO, $"流程运行完毕{Environment.NewLine}"); ; } flowTaskOptions = null; return true; } /// /// 从选定节点开始运行 /// /// /// public async Task StartFlowFromSelectNodeAsync(string startNodeGuid) { var flowTaskOptions = new FlowWorkOptions { Environment = this, // 流程 FlowContextPool = new ObjectPool(() => new DynamicContext(this)), // 上下文对象池 }; var flowTaskManagement = new FlowWorkManagement(flowTaskOptions); if (true || FlowState == RunState.Running || FlipFlopState == RunState.Running) { if (!TryGetNodeModel(startNodeGuid, out var nodeModel) || nodeModel is SingleFlipflopNode) { return false; } await flowTaskManagement.StartFlowInSelectNodeAsync(nodeModel); return true; } else { return false; } } /*/// /// 单独运行一个节点 /// /// /// public async Task InvokeNodeAsync(IDynamicContext context, string nodeGuid) { object result = Unit.Default; if (this.NodeModels.TryGetValue(nodeGuid, out var model)) { CancellationTokenSource cts = new CancellationTokenSource(); result = await model.ExecutingAsync(context, cts.Token); cts?.Cancel(); } return result; }*/ /// /// 结束流程 /// public Task ExitFlowAsync() { flowTaskManagement?.Exit(); UIContextOperation?.Invoke(() => Event.OnFlowRunComplete(new FlowEventArgs())); IOC.Reset(); flowTaskManagement = null; GC.Collect(); return Task.FromResult(true); } /// /// 激活全局触发器 /// /// public void ActivateFlipflopNode(string nodeGuid) { /*if (!TryGetNodeModel(nodeGuid, out var nodeModel)) { return; } if (nodeModel is null) return; if (flowTaskManagement is not null && nodeModel is SingleFlipflopNode flipflopNode) // 子节点为触发器 { if (FlowState != RunState.Completion && flipflopNode.NotExitPreviousNode()) // 正在运行,且该触发器没有上游节点 { _ = flowTaskManagement.RunGlobalFlipflopAsync(this, flipflopNode);// 被父节点移除连接关系的子节点若为触发器,且无上级节点,则当前流程正在运行,则加载到运行环境中 } }*/ } /// /// 关闭全局触发器 /// /// public void TerminateFlipflopNode(string nodeGuid) { /* if (!TryGetNodeModel(nodeGuid, out var nodeModel)) { return; } if (nodeModel is null) return; if (flowTaskManagement is not null && nodeModel is SingleFlipflopNode flipflopNode) // 子节点为触发器 { flowTaskManagement.TerminateGlobalFlipflopRuning(flipflopNode); }*/ } /// /// 获取当前环境信息(远程连接) /// /// public async Task GetEnvInfoAsync() { // 获取所有的程序集对应的方法信息(程序集相关的数据) var libraryMdss = this.FlowLibraryService.GetAllLibraryMds().ToArray(); // 获取当前项目的信息(节点相关的数据) var project = await GetProjectInfoAsync(); // 远程连接获取远程环境项目信息 SereinEnv.WriteLine(InfoType.INFO, "已将当前环境信息发送到远程客户端"); return new FlowEnvInfo { Project = project, // 项目信息 LibraryMds = libraryMdss, // 环境方法 }; } /// /// 保存项目 /// public void SaveProject() { var project = GetProjectInfoAsync().GetAwaiter().GetResult(); Event.OnProjectSaving(new ProjectSavingEventArgs(project)); } /// /// 加载项目文件 /// /// 环境信息 /// public void LoadProject(FlowEnvInfo flowEnvInfo, string filePath) { this.ProjectFileLocation = filePath; var projectData = flowEnvInfo.Project; // 加载项目配置文件 var dllPaths = projectData.Librarys.Select(it => it.FilePath).ToList(); List methodDetailss = []; // 遍历依赖项中的特性注解,生成方法详情 foreach (var dllPath in dllPaths) { string cleanedRelativePath = dllPath.TrimStart('.', '\\'); var tmpPath = Path.Combine(filePath, cleanedRelativePath); var dllFilePath = Path.GetFullPath(tmpPath); LoadLibrary(dllFilePath); // 加载项目文件时加载对应的程序集 } _ = Task.Run(async () => { // 加载画布 foreach (var canvasInfo in projectData.Canvass) { LoadCanvas(canvasInfo); } await LoadNodeInfosAsync(projectData.Nodes.ToList()); // 加载节点信息 // 加载画布 foreach (var canvasInfo in projectData.Canvass) { SetStartNode(canvasInfo.Guid, canvasInfo.StartNode); // 设置起始节点 } //await SetStartNodeAsync("", projectData.StartNode); // 设置起始节点 }); } /// /// 加载远程环境 /// /// 远程环境地址 /// 远程环境端口 /// 密码 public async Task<(bool, RemoteMsgUtil)> ConnectRemoteEnv(string addres, int port, string token) { if (IsControlRemoteEnv) { await Console.Out.WriteLineAsync($"当前已经连接远程环境"); return (false, null); } // 没有连接远程环境,可以重新连接 var controlConfiguration = new RemoteMsgUtil.ControlConfiguration { Addres = addres, Port = port, Token = token, /*ThemeJsonKey = LocalFlowEnvironment.ThemeKey, MsgIdJsonKey = LocalFlowEnvironment.MsgIdKey, DataJsonKey = LocalFlowEnvironment.DataKey,*/ }; var remoteMsgUtil = new RemoteMsgUtil(controlConfiguration); var result = await remoteMsgUtil.ConnectAsync(); if (!result) { await Console.Out.WriteLineAsync("连接失败,请检查地址与端口是否正确"); return (false, null); } await Console.Out.WriteLineAsync("连接成功,开始验证Token"); IsControlRemoteEnv = true; return (true, remoteMsgUtil); } /// /// 退出远程环境 /// public void ExitRemoteEnv() { IsControlRemoteEnv = false; } /// /// 序列化当前项目的依赖信息、节点信息 /// /// public async Task GetProjectInfoAsync() { var projectData = new SereinProjectData() { Librarys = this.FlowLibraryService.GetAllLibraryInfo().ToArray(), Nodes = flowModelService.GetAllNodeModel().Select(node => node.ToInfo()).Where(info => info is not null).ToArray(), Canvass = flowModelService.GetAllCanvasModel().Select(canvas => canvas.ToInfo()).ToArray(), //StartNode = NodeModels.Values.FirstOrDefault(it => it.IsStart)?.Guid, }; return projectData; } /// /// 从文件路径中加载DLL /// /// /// public void LoadLibrary(string dllPath) { try { #region 检查是否已经加载本地依赖 var thisAssembly = typeof(IFlowEnvironment).Assembly; var thisAssemblyName = thisAssembly.GetName().Name; if (!string.IsNullOrEmpty(thisAssemblyName) && FlowLibraryService.GetLibraryMdsOfAssmbly(thisAssemblyName).Count == 0) { var tmp = FlowLibraryService.LoadLibraryOfPath(thisAssembly.Location); UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(tmp.Item1, tmp.Item2))); // 通知UI创建dll面板显示 } #endregion (var libraryInfo, var mdInfos) = FlowLibraryService.LoadLibraryOfPath(dllPath); if (mdInfos.Count > 0) { UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(libraryInfo, mdInfos))); // 通知UI创建dll面板显示 } } catch (Exception ex) { SereinEnv.WriteLine(InfoType.ERROR, $"无法加载DLL文件:{ex}"); } } /// /// 加载本地程序集 /// /// public void LoadLibrary(FlowLibrary flowLibrary) { try { (var libraryInfo, var mdInfos) = FlowLibraryService.LoadLibraryOfPath(flowLibrary); if (mdInfos.Count > 0) { UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(libraryInfo, mdInfos))); // 通知UI创建dll面板显示 } } catch (Exception ex) { SereinEnv.WriteLine(InfoType.ERROR, $"无法加载DLL文件:{ex}"); } } /// /// 移除DLL /// /// /// public bool TryUnloadLibrary(string assemblyName) { // 获取与此程序集相关的节点 var groupedNodes = flowModelService.GetAllNodeModel().Where(node => !string.IsNullOrWhiteSpace(node.MethodDetails.AssemblyName) && node.MethodDetails.AssemblyName.Equals(assemblyName)).ToArray(); if (groupedNodes.Length == 0) { var isPass = FlowLibraryService.UnloadLibrary(assemblyName); return isPass; } else { StringBuilder sb = new StringBuilder(); sb.AppendLine(); for (int i = 0; i < groupedNodes.Length; i++) { IFlowNode? node = groupedNodes[i]; sb.AppendLine($"{i} => {node.Guid}"); } SereinEnv.WriteLine(InfoType.ERROR, $"无法卸载[{assemblyName}]程序集,因为这些节点依赖于此程序集:{sb.ToString()}"); return false; } //var mds = FlowLibraryManagement.GetLibraryMdsOfAssmbly(assemblyName); //if(mds.Count > 0) //{ //} //else //{ // return true; //} //var library = LibraryInfos.Values.FirstOrDefault(nl => assemblyName.Equals(nl.AssemblyName)); //if (library is null) //{ // return false; //} //var groupedNodes = NodeModels.Values // .Where(node => node.MethodDetails is not null) // .ToArray() // .GroupBy(node => node.MethodDetails?.MethodName) // .ToDictionary( // key => key.Key, // group => group.Count()); //if (NodeModels.Count == 0) //{ // return true; // 当前无节点,可以直接删除 //} //if (MethodDetailsOfLibraryInfos.TryGetValue(library, out var mds)) // 存在方法 //{ // foreach (var md in mds) // { // if (groupedNodes.TryGetValue(md.MethodName, out int count)) // { // if (count > 0) // { // return false; // 创建过相关的节点,无法移除 // } // } // } // // 开始移除相关信息 // foreach (var md in mds) // { // MethodDetailss.TryRemove(md.MethodName, out _); // } // MethodDetailsOfLibraryInfos.TryRemove(library, out _); // return true; //} //else //{ // return true; //} } private int _addCanvasCount = 0; private FlowCanvasDetails LoadCanvas(FlowCanvasDetailsInfo info) { var model = new FlowCanvasDetails(this); model.LoadInfo(info); flowModelService.AddCanvasModel(model); UIContextOperation?.Invoke(() => { Event.OnCanvasCreated(new CanvasCreateEventArgs(model)); }); return model; } /// /// 获取方法描述 /// public bool TryGetMethodDetailsInfo(string assemblyName, string methodName, out MethodDetailsInfo? mdInfo) { var isPass = FlowLibraryService.TryGetMethodDetails(assemblyName, methodName, out var md); if (!isPass || md is null) { mdInfo = null; return false; } else { mdInfo = md?.ToInfo(); return true; } } /// /// 通过方法名称获取对应的Emit委托 /// 方法无入参时需要传入空数组,void方法自动返回null /// 普通方法:Func<object,object[],object> /// 异步方法:Func<object,object[],Task> /// 异步有返回值方法:Func<object,object[],Task<object>> /// /// /// /// public bool TryGetDelegateDetails(string assemblyName, string methodName, out DelegateDetails? delegateDetails) { return FlowLibraryService.TryGetDelegateDetails(assemblyName, methodName, out delegateDetails); } /// /// 设置在UI线程操作的线程上下文 /// /// public void SetUIContextOperation(UIContextOperation uiContextOperation) { if (uiContextOperation is not null) { this.UIContextOperation = uiContextOperation; //PersistennceInstance[typeof(UIContextOperation)] = uiContextOperation; // 缓存封装好的UI线程上下文 } } /// public void UseExternalIOC(ISereinIOC ioc) { this.flowRunIOC = ioc; // 设置IOC容器 } /// /// 启动器调用,运行到某个节点时触发了监视对象的更新(对象预览视图将会自动更新) /// /// /// /// public void MonitorObjectNotification(string nodeGuid, object monitorData, MonitorObjectEventArgs.ObjSourceType sourceType) { Event.OnMonitorObjectChanged(new MonitorObjectEventArgs(nodeGuid, monitorData, sourceType)); } /// /// 启动器调用,节点触发了中断。 /// /// 节点 /// 表达式 /// 类型,0用户主动的中断,1表达式中断 public void TriggerInterrupt(string nodeGuid, string expression, InterruptTriggerEventArgs.InterruptTriggerType type) { Event.OnInterruptTriggered(new InterruptTriggerEventArgs(nodeGuid, expression, type)); } ///// ///// 环境执行中断 ///// ///// //public async Task InterruptNode() //{ // IsGlobalInterrupt = true; // var result = await ChannelFlowInterrupt.GetOrCreateChannelAsync(EnvName); // return result; //} /// /// 记录节点更改数据,防止重复更改 /// public HashSet<(string, string, object)> NodeValueChangeLogger = new HashSet<(string, string, object)>(); /// /// 数据更改通知(来自远程) /// /// 发生在哪个节点 /// 属性路径 /// 变化后的属性值 /// public Task NotificationNodeValueChangeAsync(string nodeGuid, string path, object value) { // "NodeModel.Path" if (TryGetNodeModel(nodeGuid, out var nodeModel)) { SerinExpressionEvaluator.Evaluate($"@Set .{path} = {value}", nodeModel, out _); // 更改对应的数据 } return Task.CompletedTask; //if (NodeValueChangeLogger.Remove((nodeGuid, path, value))) //{ // // 说明存在过重复的修改 // return; //} //NodeValueChangeLogger.Add((nodeGuid, path, value)); //lock (NodeValueChangeLogger) //{ // Interlocked.Add(ref i, 1); // Console.WriteLine(i); // var getExp = $"@Get .{path}"; // var setExp = $"@Set .{path} = {value}"; // 生成 set 表达式 // var oldValue = SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _); // if(oldValue != value) // { // Console.WriteLine($"旧值:{getExp},result : {oldValue}"); // SerinExpressionEvaluator.Evaluate(setExp, nodeModel, out _); // 更改对应的数据 // Console.WriteLine($"新值:{getExp},result : {SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _)}"); // } //} } /// /// 从Guid获取画布 /// /// 节点Guid /// 节点Model /// 无法获取节点、Guid/节点为null时报错 public bool TryGetCanvasModel(string nodeGuid, out FlowCanvasDetails canvasDetails) { if (string.IsNullOrEmpty(nodeGuid)) { canvasDetails = null; return false; } return flowModelService.TryGetCanvasModel(nodeGuid, out canvasDetails); } /// /// 从Guid获取节点 /// /// 节点Guid /// 节点Model /// 无法获取节点、Guid/节点为null时报错 public bool TryGetNodeModel(string nodeGuid, out IFlowNode nodeModel) { if (string.IsNullOrEmpty(nodeGuid)) { nodeModel = null; return false; } return flowModelService.TryGetNodeModel(nodeGuid, out nodeModel); } #endregion #region 流程依赖类库的接口 /// /// 运行时加载 /// /// 文件名 /// public bool LoadNativeLibraryOfRuning(string file) { return NativeDllHelper.LoadDll(file); } /// /// 运行时加载指定目录下的类库 /// /// 目录 /// 是否递归加载 public void LoadAllNativeLibraryOfRuning(string path, bool isRecurrence = true) { NativeDllHelper.LoadAllDll(path); } #endregion #region 私有方法 #region 暂时注释 /* /// /// 加载指定路径的DLL文件 /// /// private void LoadDllNodeInfo(string dllPath) { var fileName = Path.GetFileName(dllPath); AssemblyLoadContext flowAlc = new AssemblyLoadContext(fileName, true); flowAlc.LoadFromAssemblyPath(dllPath); // 加载指定路径的程序集 foreach(var assemblt in flowAlc.Assemblies) { (var registerTypes, var mdlist) = LoadAssembly(assemblt); if (mdlist.Count > 0) { var nodeLibraryInfo = new NodeLibraryInfo { //Assembly = assembly, AssemblyName = assemblt.FullName, FileName = Path.GetFileName(dllPath), FilePath = dllPath, }; LibraryInfos.TryAdd(nodeLibraryInfo.AssemblyName, nodeLibraryInfo); MethodDetailsOfLibraryInfos.TryAdd(nodeLibraryInfo, mdlist); foreach (var md in mdlist) { MethodDetailss.TryAdd(md.MethodName, md); } foreach (var kv in registerTypes) { if (!AutoRegisterTypes.TryGetValue(kv.Key, out var types)) { types = new List(); AutoRegisterTypes.Add(kv.Key, types); } types.AddRange(kv.Value); } var mdInfos = mdlist.Select(md => md.ToInfo()).ToList(); // 转换成方法信息 if (OperatingSystem.IsWindows()) { UIContextOperation?.Invoke(() => OnDllLoad?.Invoke(new LoadDllEventArgs(nodeLibraryInfo, mdInfos))); // 通知UI创建dll面板显示 } } } }*/ #endregion /// /// 从节点信息创建节点,并返回状态指示是否创建成功 /// /// /// private bool CreateNodeFromNodeInfo(NodeInfo nodeInfo) { if (!EnumHelper.TryConvertEnum(nodeInfo.Type, out var controlType)) { return false; } #region 获取方法描述 MethodDetails? methodDetails; if (controlType == NodeControlType.FlowCall) { if (string.IsNullOrEmpty(nodeInfo.MethodName)) { methodDetails = new MethodDetails(); methodDetails.ParamsArgIndex = 0; methodDetails.ParameterDetailss = new ParameterDetails[nodeInfo.ParameterData.Length]; for (int i = 0; i < methodDetails.ParameterDetailss.Length; i++) { var pdInfo = nodeInfo.ParameterData[i]; var t = new ParameterDetailsInfo(); var pd = new ParameterDetails(pdInfo, i); methodDetails.ParameterDetailss[i] = pd; } } else { // 目标节点可能是方法节点 FlowLibraryService.TryGetMethodDetails(nodeInfo.AssemblyName, nodeInfo.MethodName, out methodDetails); // 加载项目时尝试获取方法信息 } } else if (controlType.IsBaseNode()) { // 加载基础节点 methodDetails = new MethodDetails(); } else { if (string.IsNullOrEmpty(nodeInfo.MethodName)) return false; // 加载方法节点 FlowLibraryService.TryGetMethodDetails(nodeInfo.AssemblyName, nodeInfo.MethodName, out methodDetails); // 加载项目时尝试获取方法信息 } #endregion var nodeModel = FlowNodeExtension.CreateNode(this, controlType, methodDetails); // 加载项目时创建节点 if (nodeModel is null) { nodeInfo.Guid = string.Empty; return false; } if (TryGetCanvasModel(nodeInfo.CanvasGuid, out var canvasModel)) { // 节点与画布互相绑定 // 需要在UI线程上进行添加,否则会报 “不支持从调度程序线程以外的线程对其 SourceCollection 进行的更改”异常 nodeModel.CanvasDetails = canvasModel; UIContextOperation?.Invoke(() => canvasModel.Nodes.Add(nodeModel)); nodeModel.LoadInfo(nodeInfo); // 创建节点model TryAddNode(nodeModel); // 加载项目时将节点加载到环境中 } else { SereinEnv.WriteLine(InfoType.ERROR, $"加载节点[{nodeInfo.Guid}]时发生异常,画布[{nodeInfo.CanvasGuid}]不存在"); return false; } UIContextOperation?.Invoke(() => Event.OnNodeCreated(new NodeCreateEventArgs(nodeInfo.CanvasGuid, nodeModel, nodeInfo.Position))); // 添加到UI上 return true; } /// /// 创建节点 /// /// private bool TryAddNode(IFlowNode nodeModel) { nodeModel.Guid ??= Guid.NewGuid().ToString(); flowModelService.AddNodeModel(nodeModel); // 如果是触发器,则需要添加到专属集合中 /*if (nodeModel is SingleFlipflopNode flipflopNode) { var guid = flipflopNode.Guid; if (!FlipflopNodes.Exists(it => it.Guid.Equals(guid))) { FlipflopNodes.Add(flipflopNode); } }*/ return true; } /// /// 检查连接 /// /// 发起连接的起始节点 /// 要连接的目标节点 /// 发起连接节点的控制点类型 /// 被连接节点的控制点类型 /// public static (JunctionOfConnectionType, bool) CheckConnect(IFlowNode fromNode, IFlowNode toNode, JunctionType fromNodeJunctionType, JunctionType toNodeJunctionType) { var type = JunctionOfConnectionType.None; var state = false; if (fromNodeJunctionType == JunctionType.Execute) { if (toNodeJunctionType == JunctionType.NextStep && !fromNode.Guid.Equals(toNode.Guid)) { // “方法执行”控制点拖拽到“下一节点”控制点,且不是同一个节点, 添加方法执行关系 type = JunctionOfConnectionType.Invoke; state = true; } //else if (toNodeJunctionType == JunctionType.ArgData && fromNode.Guid.Equals(toNode.Guid)) //{ // // “方法执行”控制点拖拽到“方法入参”控制点,且是同一个节点,则添加获取参数关系,表示生成入参参数时自动从该节点的上一节点获取flowdata // type = JunctionOfConnectionType.Arg; // state = true; //} } else if (fromNodeJunctionType == JunctionType.NextStep && !fromNode.Guid.Equals(toNode.Guid)) { // “下一节点”控制点只能拖拽到“方法执行”控制点,且不能是同一个节点 if (toNodeJunctionType == JunctionType.Execute && !fromNode.Guid.Equals(toNode.Guid)) { type = JunctionOfConnectionType.Invoke; state = true; } } else if (fromNodeJunctionType == JunctionType.ArgData) { //if (toNodeJunctionType == JunctionType.Execute && fromNode.Guid.Equals(toNode.Guid)) // 添加获取参数关系 //{ // // “方法入参”控制点拖拽到“方法执行”控制点,且是同一个节点,则添加获取参数关系,生成入参参数时自动从该节点的上一节点获取flowdata // type = JunctionOfConnectionType.Arg; // state = true; //} if (toNodeJunctionType == JunctionType.ReturnData && !fromNode.Guid.Equals(toNode.Guid)) { // “”控制点拖拽到“方法返回值”控制点,且不是同一个节点,添加获取参数关系,生成参数时从目标节点获取flowdata type = JunctionOfConnectionType.Arg; state = true; } } else if (fromNodeJunctionType == JunctionType.ReturnData) { if (toNodeJunctionType == JunctionType.ArgData && !fromNode.Guid.Equals(toNode.Guid)) { // “方法返回值”控制点拖拽到“方法入参”控制点,且不是同一个节点,添加获取参数关系,生成参数时从目标节点获取flowdata type = JunctionOfConnectionType.Arg; state = true; } } // 剩下的情况都是不符预期的连接行为,忽略。 return (type, state); } /* /// /// 连接节点 /// /// 起始节点 /// 目标节点 /// 连接关系 private bool ConnectInvokeOfNode(string canvasGuid, IFlowNode fromNode, IFlowNode toNode, ConnectionInvokeType invokeType) { if (fromNode.ControlType == NodeControlType.FlowCall) { SereinEnv.WriteLine(InfoType.ERROR, $"流程接口节点不可调用下一个节点。" + $"{Environment.NewLine}流程节点:{fromNode.Guid}"); return false; } if (!FlowCanvass.ContainsKey(canvasGuid)) { return false; } if (fromNode is null || toNode is null || fromNode == toNode) { return false; } var ToExistOnFrom = true; var FromExistInTo = true; ConnectionInvokeType[] ct = [ConnectionInvokeType.IsSucceed, ConnectionInvokeType.IsFail, ConnectionInvokeType.IsError, ConnectionInvokeType.Upstream]; //if (toNode is SingleFlipflopNode flipflopNode) //{ // flowTaskManagement?.TerminateGlobalFlipflopRuning(flipflopNode); // 假设被连接的是全局触发器,尝试移除 //} var isOverwriting = false; ConnectionInvokeType overwritingCt = ConnectionInvokeType.None; var isPass = false; foreach (ConnectionInvokeType ctType in ct) { var FToTo = fromNode.SuccessorNodes[ctType].Where(it => it.Guid.Equals(toNode.Guid)).ToArray(); var ToOnF = toNode.PreviousNodes[ctType].Where(it => it.Guid.Equals(fromNode.Guid)).ToArray(); ToExistOnFrom = FToTo.Length > 0; FromExistInTo = ToOnF.Length > 0; if (ToExistOnFrom && FromExistInTo) { if (ctType == invokeType) { SereinEnv.WriteLine(InfoType.WARN, $"起始节点已与目标节点存在连接。" + $"{Environment.NewLine}起始节点:{fromNode.Guid}" + $"{Environment.NewLine}目标节点:{toNode.Guid}"); return false; } isOverwriting = true; overwritingCt = ctType; } else { // 检查是否可能存在异常 if (!ToExistOnFrom && FromExistInTo) { SereinEnv.WriteLine(InfoType.ERROR, $"起始节点不是目标节点的父节点,目标节点却是起始节点的子节点。" + $"{Environment.NewLine}起始节点:{fromNode.Guid}" + $"{Environment.NewLine}目标节点:{toNode.Guid}"); isPass = false; } else if (ToExistOnFrom && !FromExistInTo) { // SereinEnv.WriteLine(InfoType.ERROR, $"起始节点不是目标节点的父节点,目标节点却是起始节点的子节点。" + $"{Environment.NewLine}起始节点:{fromNode.Guid}" + $"{Environment.NewLine}目标节点:{toNode.Guid}" + $""); isPass = false; } else { isPass = true; } } } if (isPass) { if (isOverwriting) // 需要替换 { fromNode.SuccessorNodes[overwritingCt].Remove(toNode); // 从起始节点子分支中移除 toNode.PreviousNodes[overwritingCt].Remove(fromNode); // 从目标节点父分支中移除 } fromNode.SuccessorNodes[invokeType].Add(toNode); // 添加到起始节点的子分支 toNode.PreviousNodes[invokeType].Add(fromNode); // 添加到目标节点的父分支 if (OperatingSystem.IsWindows()) { UIContextOperation?.Invoke(() => Event.OnNodeConnectChanged( new NodeConnectChangeEventArgs( canvasGuid, fromNode.Guid, // 从哪个节点开始 toNode.Guid, // 连接到那个节点 JunctionOfConnectionType.Invoke, invokeType, // 连接线的样式类型 NodeConnectChangeEventArgs.ConnectChangeType.Create // 是创建连接还是删除连接 ))); // 通知UI } // Invoke // GetResult return true; } else { return false; } }*/ /// /// 更改起点节点 /// /// 节点所在的画布 /// 起始节点 private void SetStartNode(FlowCanvasDetails cavnasModel, IFlowNode newStartNode) { var oldNodeGuid = cavnasModel.StartNode?.Guid; /*if(TryGetNodeModel(oldNodeGuid, out var newStartNodeModel)) { newStartNode.IsStart = false; }*/ cavnasModel.StartNode = newStartNode; //newStartNode.IsStart = true; UIContextOperation?.Invoke(() => Event.OnStartNodeChanged(new StartNodeChangeEventArgs(cavnasModel.Guid, oldNodeGuid, cavnasModel.StartNode.Guid))); } #endregion #region 视觉效果 /// /// 定位节点 /// /// public void NodeLocate(string nodeGuid) { if (OperatingSystem.IsWindows()) { UIContextOperation?.Invoke(() => Event.OnNodeLocated(new NodeLocatedEventArgs(nodeGuid))); } } #endregion #region 流程接口 private int _add_canvas_count = 1; public void CreateCanvas(string canvasName, int width, int height) { IOperation operation = new CreateCanvasOperation { CanvasInfo = new FlowCanvasDetailsInfo { Name = $"Canvas {_add_canvas_count++}", Width = width, Height = height, Guid = Guid.NewGuid().ToString(), ScaleX = 1.0f, ScaleY = 1.0f, } }; flowOperationService.Execute(operation); } public void RemoveCanvas(string canvasGuid) { IOperation operation = new RemoveCanvasOperation { CanvasGuid = canvasGuid }; flowOperationService.Execute(operation); } public void ConnectInvokeNode(string canvasGuid, string fromNodeGuid, string toNodeGuid, JunctionType fromNodeJunctionType, JunctionType toNodeJunctionType, ConnectionInvokeType invokeType) { IOperation operation = new ChangeNodeConnectionOperation { CanvasGuid = canvasGuid, FromNodeGuid = fromNodeGuid, ToNodeGuid = toNodeGuid, FromNodeJunctionType = fromNodeJunctionType, ToNodeJunctionType = toNodeJunctionType, ConnectionInvokeType = invokeType, ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create, JunctionOfConnectionType = JunctionOfConnectionType.Invoke, }; flowOperationService.Execute(operation); } public void ConnectArgSourceNode(string canvasGuid, string fromNodeGuid, string toNodeGuid, JunctionType fromNodeJunctionType, JunctionType toNodeJunctionType, ConnectionArgSourceType argSourceType, int argIndex) { IOperation operation = new ChangeNodeConnectionOperation { CanvasGuid = canvasGuid, FromNodeGuid = fromNodeGuid, ToNodeGuid = toNodeGuid, FromNodeJunctionType = fromNodeJunctionType, ToNodeJunctionType = toNodeJunctionType, ConnectionArgSourceType = argSourceType, ArgIndex = argIndex, ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create, JunctionOfConnectionType = JunctionOfConnectionType.Arg, }; flowOperationService.Execute(operation); } public void RemoveInvokeConnect(string canvasGuid, string fromNodeGuid, string toNodeGuid, ConnectionInvokeType connectionType) { IOperation operation = new ChangeNodeConnectionOperation { CanvasGuid = canvasGuid, FromNodeGuid = fromNodeGuid, ToNodeGuid = toNodeGuid, ConnectionInvokeType = connectionType, ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Remove, }; flowOperationService.Execute(operation); } public void RemoveArgSourceConnect(string canvasGuid, string fromNodeGuid, string toNodeGuid, int argIndex) { IOperation operation = new ChangeNodeConnectionOperation { CanvasGuid = canvasGuid, FromNodeGuid = fromNodeGuid, ToNodeGuid = toNodeGuid, ArgIndex = argIndex, ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Remove }; flowOperationService.Execute(operation); } public void CreateNode(string canvasGuid, NodeControlType nodeType, PositionOfUI position, MethodDetailsInfo methodDetailsInfo = null) { IOperation operation = new CreateNodeOperation { CanvasGuid = canvasGuid, NodeControlType = nodeType, Position = position, MethodDetailsInfo = methodDetailsInfo }; flowOperationService.Execute(operation); } public void RemoveNode(string canvasGuid, string nodeGuid) { IOperation operation = new RemoveNodeOperation { CanvasGuid = canvasGuid, NodeGuid = nodeGuid }; flowOperationService.Execute(operation); } public void PlaceNodeToContainer(string canvasGuid, string nodeGuid, string containerNodeGuid) { IOperation operation = new ContainerPlaceNodeOperation { CanvasGuid = canvasGuid, NodeGuid = nodeGuid, ContainerNodeGuid = containerNodeGuid }; flowOperationService.Execute(operation); } public void TakeOutNodeToContainer(string canvasGuid, string nodeGuid) { IOperation operation = new ContainerTakeOutNodeOperation { CanvasGuid = canvasGuid, NodeGuid = nodeGuid, }; flowOperationService.Execute(operation); } public void SetStartNode(string canvasGuid, string nodeGuid) { if (!TryGetCanvasModel(canvasGuid, out var canvasModel) || !TryGetNodeModel(nodeGuid, out var newStartNodeModel)) { return; } SetStartNode(canvasModel, newStartNodeModel); return; } void IFlowEnvironment.SetConnectPriorityInvoke(string fromNodeGuid, string toNodeGuid, ConnectionInvokeType connectionType) { IOperation operation = new ChangeNodeConnectionOperation { CanvasGuid = string.Empty, // 连接优先级不需要画布 FromNodeGuid = fromNodeGuid, ToNodeGuid = toNodeGuid, ConnectionInvokeType = connectionType, ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create }; flowOperationService.Execute(operation); } public void ChangeParameter(string nodeGuid, bool isAdd, int paramIndex) { IOperation operation = new ChangeParameterOperation { NodeGuid = nodeGuid, IsAdd = isAdd, ParamIndex = paramIndex }; flowOperationService.Execute(operation); } /// /// 从节点信息集合批量加载节点控件 /// /// 节点信息 /// /// public async Task LoadNodeInfosAsync(List nodeInfos) { #region 从NodeInfo创建NodeModel // 流程接口节点最后才创建 List flowCallNodeInfos = []; foreach (NodeInfo? nodeInfo in nodeInfos) { if (nodeInfo.Type == nameof(NodeControlType.FlowCall)) { flowCallNodeInfos.Add(nodeInfo); } else { if (!CreateNodeFromNodeInfo(nodeInfo)) { SereinEnv.WriteLine(InfoType.WARN, $"节点创建失败。{Environment.NewLine}{nodeInfo}"); continue; } } } // 创建流程接口节点 foreach (NodeInfo? nodeInfo in flowCallNodeInfos) { if (!CreateNodeFromNodeInfo(nodeInfo)) { SereinEnv.WriteLine(InfoType.WARN, $"节点创建失败。{Environment.NewLine}{nodeInfo}"); continue; } } #endregion #region 重新放置节点 List needPlaceNodeInfos = []; foreach (NodeInfo? nodeInfo in nodeInfos) { if (!string.IsNullOrEmpty(nodeInfo.ParentNodeGuid) && TryGetNodeModel(nodeInfo.ParentNodeGuid, out var parentNode)) { needPlaceNodeInfos.Add(nodeInfo); // 需要重新放置的节点 } } foreach (NodeInfo nodeInfo in needPlaceNodeInfos) { if (TryGetNodeModel(nodeInfo.Guid, out var nodeModel) && TryGetNodeModel(nodeInfo.ParentNodeGuid, out var containerNode) && containerNode is INodeContainer nodeContainer) { var result = nodeContainer.PlaceNode(nodeModel); if (result) { UIContextOperation?.Invoke(() => Event.OnNodePlace( new NodePlaceEventArgs(nodeInfo.CanvasGuid, nodeModel.Guid, containerNode.Guid))); } } } #endregion await Task.Delay(100); #region 确定节点之间的方法调用关系 foreach (var nodeInfo in nodeInfos) { var canvasGuid = nodeInfo.CanvasGuid; if (!TryGetNodeModel(nodeInfo.Guid, out var fromNodeModel)) { return; } if (fromNodeModel is null) continue; List<(ConnectionInvokeType connectionType, string[] guids)> allToNodes = [(ConnectionInvokeType.IsSucceed,nodeInfo.TrueNodes), (ConnectionInvokeType.IsFail, nodeInfo.FalseNodes), (ConnectionInvokeType.IsError, nodeInfo.ErrorNodes), (ConnectionInvokeType.Upstream, nodeInfo.UpstreamNodes)]; foreach ((ConnectionInvokeType connectionType, string[] toNodeGuids) item in allToNodes) { // 遍历当前类型分支的节点(确认连接关系) foreach (var toNodeGuid in item.toNodeGuids) { if (!TryGetNodeModel(toNodeGuid, out var toNodeModel)) { return; } if (toNodeModel is null) { // 防御性代码,加载正常保存的项目文件不会进入这里 continue; } ConnectInvokeNode(canvasGuid, fromNodeModel.Guid, toNodeModel.Guid, JunctionType.NextStep, JunctionType.Execute, item.connectionType); //var isSuccessful = ConnectInvokeOfNode(canvasGuid, fromNodeModel, toNodeModel, item.connectionType); // 加载时确定节点间的连接关系 } } //List<(ConnectionInvokeType connectionType, string[] guids)> allToNodes = [(ConnectionInvokeType.IsSucceed,nodeInfo.TrueNodes), // (ConnectionInvokeType.IsFail, nodeInfo.FalseNodes), // (ConnectionInvokeType.IsError, nodeInfo.ErrorNodes), // (ConnectionInvokeType.Upstream, nodeInfo.UpstreamNodes)]; //List<(ConnectionInvokeType, NodeModelBase[])> fromNodes = allToNodes.Where(info => info.guids.Length > 0) // .Select(info => (info.connectionType, // info.guids.Where(guid => NodeModels.ContainsKey(guid)).Select(guid => NodeModels[guid]) // .ToArray())) // .ToList(); // 遍历每种类型的节点分支(四种) //foreach ((ConnectionInvokeType connectionType, NodeModelBase[] toNodes) item in nodeInfo) //{ // // 遍历当前类型分支的节点(确认连接关系) // foreach (var toNode in item.toNodes) // { // _ = ConnectInvokeOfNode(fromNode, toNode, item.connectionType); // 加载时确定节点间的连接关系 // } //} } #endregion #region 确定节点之间的参数调用关系 var nodeModels = flowModelService.GetAllNodeModel(); foreach (var toNode in nodeModels) { var canvasGuid = toNode.CanvasDetails.Guid; if (toNode.MethodDetails.ParameterDetailss == null) { continue; } for (var i = 0; i < toNode.MethodDetails.ParameterDetailss.Length; i++) { var pd = toNode.MethodDetails.ParameterDetailss[i]; if (!string.IsNullOrEmpty(pd.ArgDataSourceNodeGuid) && TryGetNodeModel(pd.ArgDataSourceNodeGuid, out var fromNode)) { ConnectArgSourceNode(canvasGuid, fromNode.Guid, toNode.Guid, JunctionType.ReturnData, JunctionType.ArgData , pd.ArgDataSourceType, pd.Index); } } } #endregion UIContextOperation?.Invoke(() => { Event.OnProjectLoaded(new ProjectLoadedEventArgs()); }); return; } #endregion } }