zhusenlin/serein-flow
1
0
Fork 0
mirror of https://gitee.com/langsisi_admin/serein-flow synced 2026-03-03 08:10:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

更改了日志输出，更改了ChannelFlowTrigger存在的内存泄漏（取消超时机制）

Browse Source
This commit is contained in:
fengjiayi
2024-09-21 10:06:44 +08:00
parent a1ecd259dd
commit 3537a49784
15 changed files with 624 additions and 304 deletions
Download Patch File Download Diff File Expand all files Collapse all files

226
NodeFlow/Base/NodeModelBaseFunc.cs
View File

@@ -11,6 +11,7 @@ using System.Linq;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using static Serein.Library.Utils.ChannelFlowInterrupt;
namespace Serein.NodeFlow.Base
@@ -35,6 +36,7 @@ namespace Serein.NodeFlow.Base
this.DebugSetting.InterruptClass = InterruptClass.Branch;
this.DebugSetting.IsInterrupt = true;
}
/// <summary>
/// 不再中断
/// </summary>
@@ -90,22 +92,6 @@ namespace Serein.NodeFlow.Base
node.MethodDetails.ExplicitDatas[i].DataValue = pd.Value;
}
}
//if (control is ConditionNodeControl conditionNodeControl)
//{
// conditionNodeControl.ViewModel.IsCustomData = pd.state;
// conditionNodeControl.ViewModel.CustomData = pd.value;
// conditionNodeControl.ViewModel.Expression = pd.expression;
//}
//else if (control is ExpOpNodeControl expOpNodeControl)
//{
// expOpNodeControl.ViewModel.Expression = pd.expression;
//}
//else
//{
// node.MethodDetails.ExplicitDatas[i].IsExplicitData = pd.state;
// node.MethodDetails.ExplicitDatas[i].DataValue = pd.value;
//}
return this;
}
@@ -120,101 +106,85 @@ namespace Serein.NodeFlow.Base
/// <returns></returns>
public async Task StartExecute(IDynamicContext context)
{
var cts = context.SereinIoc.GetOrRegisterInstantiate<CancellationTokenSource>();
CancellationTokenSource cts = null;
Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
stack.Push(this);
while (stack.Count > 0 && !cts.IsCancellationRequested) // 循环中直到栈为空才会退出循环
try
{
// 从栈中弹出一个节点作为当前节点进行处理
var currentNode = stack.Pop();
cts = context.SereinIoc.Get<CancellationTokenSource>(FlowStarter.FlipFlopCtsName);
// 设置方法执行的对象
if (currentNode.MethodDetails?.ActingInstance == null && currentNode.MethodDetails?.ActingInstanceType is not null)
Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
stack.Push(this);
while (stack.Count > 0 && !cts.IsCancellationRequested) // 循环中直到栈为空才会退出循环
{
currentNode.MethodDetails.ActingInstance ??= context.SereinIoc.GetOrRegisterInstantiate(currentNode.MethodDetails.ActingInstanceType);
}
// 从栈中弹出一个节点作为当前节点进行处理
var currentNode = stack.Pop();
//if (TryCreateInterruptTask(context, currentNode, out Task<CancelType>? task))
//{
// var cancelType = await task!;
// await Console.Out.WriteLineAsync($"[{currentNode.MethodDetails.MethodName}]中断已{(cancelType == CancelType.Manual ? "手动取消" : "自动取消")}，开始执行后继分支");
//}
#region 执行相关
// 首先执行上游分支
var upstreamNodes = currentNode.SuccessorNodes[ConnectionType.Upstream];
for (int i = upstreamNodes.Count - 1; i >= 0; i--)
{
if (upstreamNodes[i].DebugSetting.IsEnable) // 排除未启用的上游节点
// 设置方法执行的对象
if (currentNode.MethodDetails?.ActingInstance == null && currentNode.MethodDetails?.ActingInstanceType is not null)
{
upstreamNodes[i].PreviousNode = currentNode;
await upstreamNodes[i].StartExecute(context); // 执行流程节点的上游分支
currentNode.MethodDetails.ActingInstance ??= context.SereinIoc.GetOrRegisterInstantiate(currentNode.MethodDetails.ActingInstanceType);
}
}
currentNode.FlowData = currentNode.ExecutingAsync(context); // 流程中正常执行
// 判断是否为触发器节点，如果是，则开始等待。
//if (currentNode.MethodDetails != null && currentNode.MethodDetails.MethodDynamicType == NodeType.Flipflop)
//{
// currentNode.FlowData = await currentNode.ExecutingFlipflopAsync(context); // 流程中遇到了触发器
//}
//else
//{
//}
#endregion
#region 执行完成
if (currentNode.NextOrientation == ConnectionType.None) break; // 不再执行
// 选择后继分支
var nextNodes = currentNode.SuccessorNodes[currentNode.NextOrientation];
// 将下一个节点集合中的所有节点逆序推入栈中
for (int i = nextNodes.Count - 1; i >= 0; i--)
{
// 排除未启用的节点
if (nextNodes[i].DebugSetting.IsEnable)
#region 执行相关
// 首先执行上游分支
#if false
var upstreamNodes = currentNode.SuccessorNodes[ConnectionType.Upstream];
for (int i = upstreamNodes.Count - 1; i >= 0; i--)
{
nextNodes[i].PreviousNode = currentNode;
stack.Push(nextNodes[i]);
if (upstreamNodes[i].DebugSetting.IsEnable) // 排除未启用的上游节点
{
upstreamNodes[i].PreviousNode = currentNode;
await upstreamNodes[i].StartExecute(context); // 执行流程节点的上游分支
}
}
#endif
currentNode.FlowData = await currentNode.ExecutingAsync(context); // 流程中正常执行
#endregion
#region 执行完成
if (currentNode.NextOrientation == ConnectionType.None) break; // 不再执行
// 选择后继分支
var nextNodes = currentNode.SuccessorNodes[currentNode.NextOrientation];
// 将下一个节点集合中的所有节点逆序推入栈中
for (int i = nextNodes.Count - 1; i >= 0; i--)
{
// 排除未启用的节点
if (nextNodes[i].DebugSetting.IsEnable)
{
nextNodes[i].PreviousNode = currentNode;
stack.Push(nextNodes[i]);
}
}
}
#endregion
#endregion
}
}
finally
{
cts?.Dispose();
}
}
public static bool TryCreateInterruptTask(IDynamicContext context, NodeModelBase currentNode, out Task<CancelType>? task)
{
if (!currentNode.DebugSetting.IsInterrupt)
{
task = null;
return false;
}
Task<CancelType>? result = null;
bool haveTask = false;
bool haveTask;
Console.WriteLine($"[{currentNode.MethodDetails.MethodName}]在当前分支中断");
if (currentNode.DebugSetting.InterruptClass == InterruptClass.None)
{
haveTask = false;
task = null;
currentNode.DebugSetting.IsInterrupt = false; // 纠正设置
}
if (currentNode.DebugSetting.InterruptClass == InterruptClass.Branch) // 中断当前分支
else if (currentNode.DebugSetting.InterruptClass == InterruptClass.Branch) // 中断当前分支
{
currentNode.DebugSetting.IsInterrupt = true;
haveTask = true;
task = context.FlowEnvironment.ChannelFlowInterrupt.CreateChannelWithTimeoutAsync(currentNode.Guid, TimeSpan.FromSeconds(1));
currentNode.CancelInterruptCallback ??= () => context.FlowEnvironment.ChannelFlowInterrupt.TriggerSignal(currentNode.Guid);
task = context.FlowEnvironment.ChannelFlowInterrupt.CreateChannelWithTimeoutAsync(currentNode.Guid, TimeSpan.FromSeconds(60 * 30)); // 中断30分钟
}
else
{
@@ -233,16 +203,19 @@ namespace Serein.NodeFlow.Base
public virtual async Task<object?> ExecutingAsync(IDynamicContext context)
{
#region 调试中断
if (TryCreateInterruptTask(context, this, out Task<CancelType>? task))
if (DebugSetting.IsInterrupt && TryCreateInterruptTask(context, this, out Task<CancelType>? task)) // 执行节点前检查中断
{
string guid = this.Guid.ToString();
this.CancelInterruptCallback ??= () => context.FlowEnvironment.ChannelFlowInterrupt.TriggerSignal(guid);
var cancelType = await task!;
task?.ToString();
await Console.Out.WriteLineAsync($"[{this.MethodDetails.MethodName}]中断已{(cancelType == CancelType.Manual ? "手动取消" : "自动取消")}，开始执行后继分支");
}
#endregion
MethodDetails md = MethodDetails;
var del = md.MethodDelegate;
var del = md.MethodDelegate.Clone();
object instance = md.ActingInstance;
var haveParameter = md.ExplicitDatas.Length > 0;
@@ -250,13 +223,42 @@ namespace Serein.NodeFlow.Base
try
{
// Action/Func([方法作用的实例],[可能的参数值],[可能的返回值])
object?[]? parameters = GetParameters(context, md);
object? result = (haveParameter, haveResult) switch
{
(false, false) => Execution((Action<object>)del, instance), // 调用节点方法，返回null
(true, false) => Execution((Action<object, object?[]?>)del, instance, GetParameters(context, md)), // 调用节点方法，返回null
(true, false) => Execution((Action<object, object?[]?>)del, instance, parameters), // 调用节点方法，返回null
(false, true) => Execution((Func<object, object?>)del, instance), // 调用节点方法，返回方法传回类型
(true, true) => Execution((Func<object, object?[]?, object?>)del, instance, GetParameters(context, md)), // 调用节点方法，获取入参参数，返回方法忏悔类型
(true, true) => Execution((Func<object, object?[]?, object?>)del, instance, parameters), // 调用节点方法，获取入参参数，返回方法忏悔类型
};
//object?[]? parameters;
//object? result = null;
//if ( haveParameter )
//{
// var data = GetParameters(context, md);
// if (data[0] is Int32 count && count > 1)
// {
// }
// parameters = [instance, data];
//}
//else
//{
// parameters = [instance];
//}
//if (haveResult)
//{
// result = del.DynamicInvoke(parameters);
//}
//else
//{
// del.DynamicInvoke(parameters);
//}
NextOrientation = ConnectionType.IsSucceed;
return result;
}
@@ -307,7 +309,7 @@ namespace Serein.NodeFlow.Base
// 用正确的大小初始化参数数组
if (md.ExplicitDatas.Length == 0)
{
return [];// md.ActingInstance
return null;// md.ActingInstance
}
object?[]? parameters = new object[md.ExplicitDatas.Length];
@@ -344,7 +346,7 @@ namespace Serein.NodeFlow.Base
{
parameters[i] = ed.DataType switch
{
Type t when t == previousDataType => context, // 上下文
//Type t when t == previousDataType => inputParameter, // 上下文
Type t when t == typeof(IDynamicContext) => context, // 上下文
Type t when t == typeof(MethodDetails) => md, // 节点方法描述
Type t when t == typeof(NodeModelBase) => this, // 节点实体类
@@ -387,45 +389,5 @@ namespace Serein.NodeFlow.Base
#endregion
/// <summary>
/// json文本反序列化为对象
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <returns></returns>
private dynamic? ConvertValue(string value, Type targetType)
{
try
{
if (!string.IsNullOrEmpty(value))
{
return JsonConvert.DeserializeObject(value, targetType);
}
else
{
return null;
}
}
catch (JsonReaderException ex)
{
Console.WriteLine(ex);
return value;
}
catch (JsonSerializationException ex)
{
// 如果无法转为对应的JSON对象
int startIndex = ex.Message.IndexOf("to type '") + "to type '".Length; // 查找类型信息开始的索引
int endIndex = ex.Message.IndexOf('\''); // 查找类型信息结束的索引
var typeInfo = ex.Message[startIndex..endIndex]; // 提取出错类型信息，该怎么传出去？
Console.WriteLine("无法转为对应的JSON对象:" + typeInfo);
return null;
}
catch // (Exception ex)
{
return value;
}
}
}
}