/
WorkflowInstance.cs
1086 lines (997 loc) · 53.5 KB
/
WorkflowInstance.cs
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using Newtonsoft.Json;
using OpenRPA.Interfaces;
using OpenRPA.Interfaces.entity;
using System;
using System.Activities;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.DurableInstancing;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace OpenRPA
{
public class WorkflowConsoleLog : IWorkflowConsoleLog
{
public DateTime ts { get; set; } = DateTime.Now;
public int lvl { get; set; } = 0;
public string msg { get; set; } = "";
}
public class WorkflowInstance : LocallyCached, IWorkflowInstance, IDisposable
{
public WorkflowInstance()
{
_id = Guid.NewGuid().ToString().Replace("{", "").Replace("}", "").Replace("-", "");
}
private WorkflowInstance(Workflow workflow)
{
Workflow = workflow;
WorkflowId = workflow._id;
_type = "workflowinstance";
_id = Guid.NewGuid().ToString().Replace("{", "").Replace("}", "").Replace("-", "");
_acl = workflow._acl;
}
private static List<WorkflowInstance> _Instances = new List<WorkflowInstance>();
public static List<WorkflowInstance> Instances
{
get
{
return _Instances;
// return _Instances.Where(x => x.state != "loaded").ToList();
}
}
public event VisualTrackingHandler OnVisualTracking;
public event idleOrComplete OnIdleOrComplete;
[JsonIgnore, LiteDB.BsonIgnore]
public Dictionary<string, object> Parameters { get { return GetProperty<Dictionary<string, object>>(); } set { SetProperty(value); } }
public Dictionary<string, object> Bookmarks { get { return GetProperty<Dictionary<string, object>>(); } set { SetProperty(value); } }
[JsonIgnore, LiteDB.BsonIgnore]
public string Path { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string correlationId { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string queuename { get { return GetProperty<string>(); } set { SetProperty(value); } }
[JsonIgnore, LiteDB.BsonIgnore]
public Dictionary<string, WorkflowInstanceValueType> Variables { get { return GetProperty<Dictionary<string, WorkflowInstanceValueType>>(); } set { SetProperty(value); } }
public List<WorkflowConsoleLog> console { get { return GetProperty<List<WorkflowConsoleLog>>(); } set { SetProperty(value); } }
public string InstanceId { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string WorkflowId { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string caller { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string RelativeFilename { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string projectid { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string projectname { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string xml { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string owner { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string ownerid { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string host { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string fqdn { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string errormessage { get { return GetProperty<string>(); } set { SetProperty(value); } }
public string errorsource { get { return GetProperty<string>(); } set { SetProperty(value); } }
[JsonIgnore, LiteDB.BsonIgnore]
public Exception Exception { get { return GetProperty<Exception>(); } set { SetProperty(value); } }
public int ident { get { return GetProperty<int>(); } set { SetProperty(value); } }
public bool isCompleted
{
get
{
var value = GetProperty<bool>();
if (!value && wfApp != null)
{
try
{
var _state = typeof(System.Activities.WorkflowApplication).GetField("state", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(wfApp);
if (_state.ToString() == "Aborted" && _state.ToString() == "Unloaded")
{
value = true;
SetProperty(value);
}
}
catch (Exception)
{
value = true;
}
}
return value;
}
set
{
try
{
SetProperty(value);
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
}
}
public bool hasError { get { return GetProperty<bool>(); } set { SetProperty(value); } }
public string state
{
get
{
var value = GetProperty<string>();
if (isCompleted && (value == "loaded" || value == "running" || value == "idle" || value == "unloaded"))
{
try
{
value = "completed";
SetProperty(value);
}
catch (Exception)
{
}
}
return value;
}
private set
{
SetProperty(value);
Workflow?.SetLastState(value);
}
}
public void SetState(string State)
{
state = State;
}
[JsonIgnore, LiteDB.BsonIgnore]
public Workflow Workflow { get { return GetProperty<Workflow>(); } set { SetProperty(value); } }
[JsonIgnore, LiteDB.BsonIgnore]
public System.Activities.WorkflowApplication wfApp { get; set; }
[JsonIgnore, LiteDB.BsonIgnore]
public WorkflowTrackingParticipant TrackingParticipant { get; set; }
private void NotifyCompleted()
{
var _ref = (this as IWorkflowInstance);
foreach (var runner in Plugins.runPlugins)
{
runner.onWorkflowCompleted(ref _ref);
}
if (Workflow != null) Workflow.NotifyUIState();
}
private void NotifyIdle()
{
var _ref = (this as IWorkflowInstance);
foreach (var runner in Plugins.runPlugins)
{
runner.onWorkflowIdle(ref _ref);
}
if (Workflow != null) Workflow.NotifyUIState();
}
private void NotifyAborted()
{
var _ref = (this as IWorkflowInstance);
foreach (var runner in Plugins.runPlugins)
{
runner.onWorkflowAborted(ref _ref);
}
if (Workflow != null) Workflow.NotifyUIState();
}
public static WorkflowInstance Create(Workflow Workflow, Dictionary<string, object> Parameters, int ident)
{
if (Workflow == null) throw new Exception("Workflow is mandatory for WorkflowInstance.Create");
if (RobotInstance.openrpa_workflow_run_count != null) RobotInstance.openrpa_workflow_run_count.Add(1, RobotInstance.tags);
var result = new WorkflowInstance(Workflow) { Parameters = Parameters, name = Workflow.name, Path = Workflow.Project().Path };
if (result.Parameters == null) result.Parameters = new Dictionary<string, object>();
result.RelativeFilename = Workflow.RelativeFilename;
result.projectid = Workflow.projectid;
result.projectname = Workflow.Project().name;
result.ident = ident;
var _ref = (result as IWorkflowInstance);
foreach (var runner in Plugins.runPlugins)
{
if (!runner.onWorkflowStarting(ref _ref, false)) throw new Exception("Runner plugin " + runner.Name + " declined running workflow instance");
}
if (global.isConnected && global.webSocketClient.user != null)
{
result.owner = global.webSocketClient.user.name;
result.ownerid = global.webSocketClient.user._id;
}
result.host = Environment.MachineName.ToLower();
result.fqdn = System.Net.Dns.GetHostEntry(Environment.MachineName).HostName.ToLower();
if (System.Threading.Monitor.TryEnter(Instances, 1000))
{
try
{
Instances.Add(result);
}
finally
{
System.Threading.Monitor.Exit(Instances);
}
}
else { throw new LockNotReceivedException("Failed adding new workflow instance in Create"); }
try
{
result.createApp(Workflow.Activity());
}
catch (Exception ex)
{
result.Abort("Create WorkflowApplication failed");
throw ex;
}
CleanUp();
return result;
}
private void createApp(Activity activity)
{
//var xh = new XamlHelper(workflow.xaml);
//extraextension.updateProfile(xh.Variables.ToArray(), xh.ArgumentNames.ToArray());
if(Workflow == null) throw new Exception("Cannot create WorkflowInstance app, without a Workflow");
TrackingParticipant = new WorkflowTrackingParticipant();
TrackingParticipant.OnVisualTracking += Participant_OnVisualTracking;
if(Parameters == null) Parameters = new Dictionary<string, object>();
if (string.IsNullOrEmpty(InstanceId))
{
// Remove unknown Parameters, if we don't the workflow will fail
foreach (var param in Parameters.ToList())
{
var allowed = Workflow.Parameters.Where(x => x.name == param.Key).FirstOrDefault();
if (allowed == null || allowed.direction == workflowparameterdirection.@out)
{
Parameters.Remove(param.Key);
}
}
// Ensure Type
foreach (var wfparam in Workflow.Parameters)
{
if (Parameters.ContainsKey(wfparam.name) && wfparam.type == "System.Int32")
{
if (Parameters[wfparam.name] != null)
{
Parameters[wfparam.name] = int.Parse(Parameters[wfparam.name].ToString());
}
}
else if (Parameters.ContainsKey(wfparam.name) && wfparam.type == "System.Boolean")
{
if (Parameters[wfparam.name] != null)
{
Parameters[wfparam.name] = bool.Parse(Parameters[wfparam.name].ToString());
}
}
}
wfApp = new System.Activities.WorkflowApplication(activity, Parameters);
wfApp.Extensions.Add(TrackingParticipant);
foreach (var t in Plugins.WorkflowExtensionsTypes)
{
try
{
var ext = (ICustomWorkflowExtension)Activator.CreateInstance(t);
ext.Initialize(RobotInstance.instance, Workflow, this);
wfApp.Extensions.Add(ext);
}
catch (Exception ex)
{
Log.Error("error init " + t.Name + ": " + ex.ToString());
}
}
if (Workflow.Serializable)
{
//if (Config.local.localstate)
//{
// if (!System.IO.Directory.Exists(System.IO.Directory.GetCurrentDirectory() + "\\state")) System.IO.Directory.CreateDirectory(System.IO.Directory.GetCurrentDirectory() + "\\state");
// wfApp.InstanceStore = new Store.XMLFileInstanceStore(System.IO.Directory.GetCurrentDirectory() + "\\state");
//}
//else
//{
// wfApp.InstanceStore = new Store.OpenFlowInstanceStore();
//}
if (!Config.local.disable_instance_store) wfApp.InstanceStore = new Store.OpenFlowInstanceStore();
}
addwfApphandlers(wfApp);
}
else
{
wfApp = new System.Activities.WorkflowApplication(activity);
wfApp.Extensions.Add(TrackingParticipant);
foreach (var t in Plugins.WorkflowExtensionsTypes)
{
try
{
var ext = (ICustomWorkflowExtension)Activator.CreateInstance(t);
ext.Initialize(RobotInstance.instance, Workflow, this);
wfApp.Extensions.Add(ext);
}
catch (Exception ex)
{
Log.Error("error init " + t.Name + ": " + ex.ToString());
}
}
addwfApphandlers(wfApp);
if (Workflow.Serializable || !Workflow.Serializable)
{
//if (Config.local.localstate)
//{
// if (!System.IO.Directory.Exists(System.IO.Directory.GetCurrentDirectory() + "\\state")) System.IO.Directory.CreateDirectory(System.IO.Directory.GetCurrentDirectory() + "\\state");
// wfApp.InstanceStore = new Store.XMLFileInstanceStore(System.IO.Directory.GetCurrentDirectory() + "\\state");
//}
//else
//{
// wfApp.InstanceStore = new Store.OpenFlowInstanceStore();
//}
if (!Config.local.disable_instance_store) wfApp.InstanceStore = new Store.OpenFlowInstanceStore();
}
wfApp.Load(new Guid(InstanceId));
}
state = "loaded";
Task.Run(async () =>
{
try
{
await Save<WorkflowInstance>();
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
});
}
private void Participant_OnVisualTracking(WorkflowInstance Instance, string ActivityId, string ChildActivityId, string State)
{
OnVisualTracking?.Invoke(Instance, ActivityId, ChildActivityId, State);
}
public void Abort(string Reason)
{
if (wfApp != null)
{
var _state = typeof(System.Activities.WorkflowApplication).GetField("state", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(wfApp);
if (_state.ToString() != "Aborted")
{
try
{
wfApp.Abort(Reason);
return;
}
catch (Exception)
{
}
}
}
hasError = true;
isCompleted = true;
state = "aborted";
Exception = new Exception(Reason);
errormessage = Reason;
isDirty = true;
if (runWatch != null) runWatch.Stop();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
Workflow.SetLastState("aborted");
}
public void ResumeBookmark(string bookmarkName, object value, bool ignoreCompleted)
{
try
{
if (Workflow == null) throw new Exception("Cannot ResumeBookmark, without a Workflow");
if (wfApp == null) throw new Exception("Cannot ResumeBookmark, without an Application loaded (wfApp)");
Log.Verbose("[workflow] Resume workflow at bookmark '" + bookmarkName + "'");
if (isCompleted)
{
if (ignoreCompleted) return;
throw new ArgumentException("cannot resume bookmark on completed workflow!");
}
var _ref = (this as IWorkflowInstance);
foreach (var runner in Plugins.runPlugins)
{
if (!runner.onWorkflowResumeBookmark(ref _ref, bookmarkName, value)) throw new Exception("Runner plugin " + runner.Name + " declined running workflow instance");
}
// Log.Debug(String.Format("Workflow {0} resuming at bookmark '{1}' value '{2}'", wfApp.Id.ToString(), bookmarkName, value));
Task.Run(() =>
{
// System.Threading.Thread.Sleep(50);
var sw = new System.Diagnostics.Stopwatch(); sw.Start();
while (true && sw.Elapsed < TimeSpan.FromSeconds(10))
{
System.Threading.Thread.Sleep(200);
if (wfApp != null && wfApp.OnUnhandledException != null) break;
}
try
{
if (wfApp != null) wfApp.ResumeBookmark(bookmarkName, value);
// Log.Information(name + " resumed in " + string.Format("{0:mm\\:ss\\.fff}", runWatch.Elapsed));
Log.Information(name + " resumed");
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
});
state = "running";
}
catch (Exception)
{
throw;
}
}
[JsonIgnore, LiteDB.BsonIgnore]
public System.Diagnostics.Stopwatch runWatch { get; set; }
[JsonIgnore, LiteDB.BsonIgnore]
public Stack<System.Diagnostics.Activity> Activities = new Stack<System.Diagnostics.Activity>();
[JsonIgnore, LiteDB.BsonIgnore]
public System.Diagnostics.Activity RootActivity = null;
[JsonProperty(propertyName: "parentspanid")]
public string ParentSpanId { get; set; }
[JsonProperty(propertyName: "spanid")]
public string SpanId { get; set; }
public string TraceId { get; set; }
[JsonIgnore, LiteDB.BsonIgnore]
public System.Diagnostics.ActivitySource source = new System.Diagnostics.ActivitySource("OpenRPA");
IWorkflow IWorkflowInstance.Workflow { get => this.Workflow; set => this.Workflow = value as Workflow; }
public void RunThis(Activity root, Activity activity)
{
createApp(activity);
if (RobotInstance.openrpa_workflow_run_count != null) RobotInstance.openrpa_workflow_run_count.Add(1, RobotInstance.tags);
Run();
//try
//{
// if (SystemActivities == null)
// {
// SystemActivities = typeof(System.Activities.Hosting.WorkflowInstance).Assembly;
// }
// // Type WorkflowInstancet = activity.GetType().Assembly.GetTypes().Where(x => x.FullName == "System.Activities.Hosting.WorkflowInstance").FirstOrDefault();
// // WorkflowInstancet.GetMethod("EnsureDefinitionReady", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, null);
// wfApp.GetType().GetMethod("EnsureInitialized", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, null);
// var executor = typeof(System.Activities.Hosting.WorkflowInstance).GetField("executor", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(wfApp);
// var scheduler = executor.GetType().GetField("scheduler", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// var rootInstance = executor.GetType().GetField("rootInstance", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// var bookmarkManager = executor.GetType().GetField("bookmarkManager", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// var rootEnvironment = executor.GetType().GetField("rootEnvironment", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// scheduler.GetType().GetMethod("ClearAllWorkItems", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { executor });
// executor.GetType().GetMethod("ScheduleRootActivity", BindingFlags.Public | BindingFlags.Instance).Invoke(executor, new object[] { activity, null, null });
// wfApp.GetType().GetMethod("EnsureInitialized", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, null);
// // executor.GetType().GetMethod("ScheduleSecondaryRootActivity", BindingFlags.Public | BindingFlags.Instance).Invoke(executor, new object[] { activity , rootEnvironment });
// wfApp.GetType().GetMethod("RunInstance", BindingFlags.NonPublic | BindingFlags.Static).Invoke(wfApp, new object[] { wfApp });
// //ScheduleActivity
// //var _enum = new ChildEnumerator(rootInstance as System.Activities.ActivityInstance);
// //while (_enum.MoveNext())
// //{
// // var id = _enum.Current.Activity.Id;
// //}
// // var bookmarkManager = executor.GetType().GetField("bookmarkManager", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// // scheduler.GetType().GetMethod("Resume", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// // scheduler.GetType().GetMethod("Resume", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// // var ActivityInstanceMap = executor.GetType().GetProperty("SerializedProgramMapping", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// // *************************************************
// // wfApp.GetType().GetMethod("Invoke", BindingFlags.NonPublic | BindingFlags.Static).Invoke(wfApp, new object[] { activity, null, wfApp.Extensions, TimeSpan.FromMinutes(200) });
// // *************************************************
// // scheduler.GetType().GetMethod("ClearAllWorkItems", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { executor });
// //executor.GetType().GetField("shouldRaiseMainBodyComplete", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(executor, true);
// //var controller = wfApp.GetType().GetProperty("Controller", BindingFlags.Public | BindingFlags.Instance).GetValue(wfApp);
// // rootInstance.GetType().GetField("state", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(rootInstance, 2);
// //Type t = SystemActivities.GetType("System.Activities.Runtime.EmptyWorkItem");
// //var EmptyWorkItem = Activator.CreateInstance(t);
// // var EmptyWorkItem = executor.GetType().GetMethod("CreateEmptyWorkItem", BindingFlags.Public | BindingFlags.Instance).Invoke(executor, new object[] { rootInstance });
// // scheduler.GetType().GetMethod("ClearAllWorkItems", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { executor });
// // executor.GetType().GetMethod("CompleteActivityInstance", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(executor, new object[] { rootInstance });
// // executor.GetType().GetMethod("CancelRootActivity", BindingFlags.Public | BindingFlags.Instance).Invoke(executor, new object[] { });
// // executor.GetType().GetField("isAbortPending", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(executor, true);
// // executor.GetType().GetField("isTerminatePending", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(executor, true);
// // executor.GetType().GetField("executionState", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(executor, 1);
// // *************************************************
// // rootInstance.GetType().GetField("state", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(rootInstance, 1); // Closed
// // wfApp.GetType().GetMethod("RunInstance", BindingFlags.NonPublic | BindingFlags.Static).Invoke(wfApp, new object[] { wfApp });
// // *************************************************
// //var emptyParam = new Dictionary<string, object>();
// //executor.GetType().GetMethod("Run", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(executor, new object[] { });
// //executor.GetType().GetMethod("CancelRootActivity", BindingFlags.Public | BindingFlags.Instance).Invoke(executor, new object[] { });
// //scheduler.GetType().GetMethod("NotifyWorkCompletion", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// //// rootInstance.GetType().GetMethod("OnNotifyPaused", BindingFlags.Public | BindingFlags.Instance).Invoke(rootInstance, new object[] { });
// //var callbacks = scheduler.GetType().GetField("callbacks", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
// //if(callbacks!=null) callbacks.GetType().GetMethod("SchedulerIdle", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { });
// //var host = executor.GetType().GetField("host", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// //host.GetType().GetMethod("NotifyPaused", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(host, new object[] { });
// //isCompleted = true;
// //state = "completed";
// //OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
// // public enum ActivityInstanceState
// //{
// // [EnumMember]
// // Executing = 0,
// // [EnumMember]
// // Closed = 1,
// // [EnumMember]
// // Canceled = 2,
// // [EnumMember]
// // Faulted = 3
// ////}
// // this.rootInstance.IsCompleted
// // public ActivityInstanceState State
// //{
// // get
// // {
// // if (((this.executingSecondaryRootInstances != null) && (this.executingSecondaryRootInstances.Count > 0)) || ((this.rootInstance != null) && !this.rootInstance.IsCompleted))
// // {
// // return ActivityInstanceState.Executing;
// // }
// // return this.executionState;
// // }
// //}
// // private enum WorkflowApplicationState : byte
// //{
// // Paused = 0,
// // Runnable = 1,
// // Unloaded = 2,
// // Aborted = 3
// //}
// // Type t = Type.GetType("System.Activities.ActivityInstance, System.Activities");
// // Type t = activity.GetType().Assembly.GetTypes().Where(x => x.FullName == "System.Activities.ActivityInstance").FirstOrDefault();
// //var targetInstance = Activator.CreateInstance(t, BindingFlags.NonPublic | BindingFlags.Instance, null, new object[] { activity }, null, null);
// //targetInstance.GetType().GetMethod("Execute", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(targetInstance, new object[] { executor, bookmarkManager });
// // CompleteActivityInstance
// //scheduler.GetType().GetMethod("NotifyWorkCompletion", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// //var callbacks = scheduler.GetType().GetField("callbacks", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
// //callbacks.GetType().GetMethod("SchedulerIdle", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { });
// //var callbacks = scheduler.GetType().GetField("callbacks", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
// //callbacks.GetType().GetMethod("SchedulerIdle", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { });
// //var host = executor.GetType().GetField("host", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
// //host.GetType().GetMethod("NotifyPaused", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(host, new object[] { });
// //OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
// //wfApp.Abort("done");
//}
//catch (Exception ex)
//{
// Log.Error(ex.ToString());
// hasError = true;
// isCompleted = true;
// //isUnloaded = true;
// state = "failed";
// Exception = ex;
// errormessage = ex.Message;
// if (runWatch != null) runWatch.Stop();
// OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
//}
}
public void RunFromHere(Activity root, Activity activity)
{
try
{
if (SystemActivities == null)
{
SystemActivities = typeof(System.Activities.Hosting.WorkflowInstance).Assembly;
}
//TrackingParticipant.runactivityid = activityid;
//Run();
//runWatch = new System.Diagnostics.Stopwatch();
//runWatch.Start();
//// wfApp.Run();
wfApp.GetType().GetMethod("EnsureInitialized", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, null);
var executor = typeof(System.Activities.Hosting.WorkflowInstance).GetField("executor", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(wfApp);
var scheduler = executor.GetType().GetField("scheduler", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
var firstWorkItem = scheduler.GetType().GetField("firstWorkItem", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
wfApp.GetType().GetMethod("EnsureInitialized", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, new object[] { });
wfApp.GetType().GetMethod("RunCore", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(wfApp, new object[] { });
System.Threading.SynchronizationContext synchronizationContext = scheduler.GetType().GetField("synchronizationContext", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler) as System.Threading.SynchronizationContext;
// synchronizationContext.OperationStarted();
synchronizationContext.Post(DoStuff, scheduler);
// scheduler.GetType().GetMethod("Resume", BindingFlags.Public | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// wfApp.GetType().GetMethod("Invoke", BindingFlags.NonPublic | BindingFlags.Static).Invoke(wfApp, new object[] { root, null, wfApp.Extensions, TimeSpan.FromMinutes(200) });
// wfApp.GetType().GetMethod("Invoke", BindingFlags.NonPublic | BindingFlags.Static).Invoke(wfApp, new object[] { activity, null, wfApp.Extensions, TimeSpan.FromMinutes(200) });
//isCompleted = true;
//OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
//MethodInfo method = executor.GetType().GetMethod("ScheduleSecondaryRootActivity");
//var res = method.Invoke(executor, new object[] { activity, null });
// executor.ScheduleActivity(activity, ActivityInstance, CompletionBookmark, FaultBookmark, LocationEnvironment, IDictionary<String, Object>, Location) : ActivityInstance
// executor.ScheduleSecondaryRootActivity(activity, null);
// scheduler.ClearAllWorkItems(executor);
}
catch (Exception ex)
{
Log.Error(ex.ToString());
hasError = true;
isCompleted = true;
//isUnloaded = true;
state = "failed";
Exception = ex;
errormessage = ex.Message;
isDirty = true;
if (runWatch != null) runWatch.Stop();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
}
}
private Assembly SystemActivities = null;
public void DoStuff(object scheduler)
{
if (SystemActivities == null)
{
SystemActivities = typeof(System.Activities.Hosting.WorkflowInstance).Assembly;
}
var executor = typeof(System.Activities.Hosting.WorkflowInstance).GetField("executor", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(wfApp);
var firstWorkItem = scheduler.GetType().GetField("firstWorkItem", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
System.Threading.SynchronizationContext synchronizationContext = scheduler.GetType().GetField("synchronizationContext", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler) as System.Threading.SynchronizationContext;
var callbacks = scheduler.GetType().GetField("callbacks", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(scheduler);
if (firstWorkItem == null) return;
var IsEmpty = (bool)firstWorkItem.GetType().GetProperty("IsEmpty", BindingFlags.Public | BindingFlags.Instance).GetValue(firstWorkItem);
var rootInstance = executor.GetType().GetField("rootInstance", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(executor);
var _enum = new ChildEnumerator(rootInstance as System.Activities.ActivityInstance);
while (_enum.MoveNext())
{
var id = _enum.Current.Activity.Id;
}
try
{
if (!IsEmpty)
{
firstWorkItem.GetType().GetMethod("Release", BindingFlags.Public | BindingFlags.Instance).Invoke(firstWorkItem, new object[] { executor });
var IsValid = (bool)firstWorkItem.GetType().GetProperty("IsValid", BindingFlags.Public | BindingFlags.Instance).GetValue(firstWorkItem);
var action = executor.GetType().GetMethod("TryExecuteNonEmptyWorkItem", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(executor, new object[] { firstWorkItem });
firstWorkItem.GetType().GetMethod("PostProcess", BindingFlags.Public | BindingFlags.Instance).Invoke(firstWorkItem, new object[] { executor });
}
executor.GetType().GetMethod("ScheduleRuntimeWorkItems", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(executor, new object[] { });
firstWorkItem.GetType().GetMethod("Dispose", BindingFlags.Public | BindingFlags.Instance).Invoke(firstWorkItem, new object[] { executor });
//if (firstWorkItem.GetType().Name == "EmptyWorkItem")
//{
// scheduler.GetType().GetField("isPausing", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(scheduler, false);
// scheduler.GetType().GetField("isRunning", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(scheduler, false);
// // var continueAction = callbacks.GetType().GetMethod("ExecuteWorkItem", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { firstWorkItem });
// scheduler.GetType().GetMethod("NotifyWorkCompletion", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(scheduler, new object[] { });
// // callbacks.GetType().GetMethod("SchedulerIdle", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { });
//}
//else
//{
// // var continueAction = callbacks.GetType().GetMethod("ExecuteWorkItem", BindingFlags.Public | BindingFlags.Instance).Invoke(callbacks, new object[] { firstWorkItem });
// synchronizationContext.Post(DoStuff, scheduler);
//}
synchronizationContext.Post(DoStuff, scheduler);
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
}
public void Run()
{
if (Workflow == null) throw new Exception("Cannot Run WorkflowInstance, without a Workflow");
try
{
runWatch = new System.Diagnostics.Stopwatch();
runWatch.Start();
if (string.IsNullOrEmpty(InstanceId))
{
if (System.Threading.Monitor.TryEnter(Instances, 1000))
{
try
{
wfApp.Run();
Log.Information(name + " started in " + string.Format("{0:mm\\:ss\\.fff}", runWatch.Elapsed));
InstanceId = wfApp.Id.ToString();
state = "running";
}
finally
{
System.Threading.Monitor.Exit(Instances);
}
}
else { throw new LockNotReceivedException("Failed running workflow instance"); }
}
else
{
bool resumed = false;
if (!resumed)
{
wfApp.Run();
}
Log.Information(name + " resumed in " + string.Format("{0:mm\\:ss\\.fff}", runWatch.Elapsed));
state = "running";
if (Bookmarks != null)
foreach (var b in Bookmarks)
{
var i = Instances.Where(x => x._id == b.Key).FirstOrDefault();
// TODO: Check if will lock up ?
if (i == null) i = StorageProvider.FindById<WorkflowInstance>(b.Key).Result;
if (i != null && i.isCompleted)
{
wfApp.ResumeBookmark(b.Key, i);
}
}
}
}
catch (Exception ex)
{
Log.Error(ex.ToString());
hasError = true;
isCompleted = true;
//isUnloaded = true;
state = "failed";
Exception = ex;
errormessage = ex.Message;
isDirty = true;
if (runWatch != null) runWatch.Stop();
NotifyAborted();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
}
}
private void addwfApphandlers(System.Activities.WorkflowApplication wfApp)
{
wfApp.Completed = delegate (System.Activities.WorkflowApplicationCompletedEventArgs e)
{
isCompleted = true;
_ = Workflow.State;
RobotInstance.unsavedTimer.Interval = 5000;
if (Thread.CurrentThread.ManagedThreadId > 1) Tracing.InstanceId.Value = InstanceId.ToString();
if (e.CompletionState == System.Activities.ActivityInstanceState.Faulted)
{
if (state == "running" || state == "idle" || state == "completed")
{
state = "aborted";
hasError = true;
if (e.TerminationException != null)
{
Exception = e.TerminationException;
errormessage = e.TerminationException.Message;
}
else
{
errormessage = "Faulted for unknown reason";
}
isDirty = true;
NotifyAborted();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
return;
}
}
else if (e.CompletionState == System.Activities.ActivityInstanceState.Canceled)
{
}
else if (e.CompletionState == System.Activities.ActivityInstanceState.Closed)
{
state = "completed";
if (Parameters != null) foreach (var o in e.Outputs) Parameters[o.Key] = o.Value;
if (runWatch != null) runWatch.Stop();
NotifyCompleted();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
}
else if (e.CompletionState == System.Activities.ActivityInstanceState.Executing)
{
}
else
{
throw new Exception("Unknown completetion state!!!" + e.CompletionState);
}
isDirty = true;
if (Workflow != null) Workflow.NotifyUIState();
};
wfApp.Aborted = delegate (System.Activities.WorkflowApplicationAbortedEventArgs e)
{
RobotInstance.unsavedTimer.Interval = 5000;
hasError = true;
isCompleted = true;
state = "aborted";
Exception = e.Reason;
errormessage = e.Reason.Message;
isDirty = true;
if (runWatch != null) runWatch.Stop();
if (Thread.CurrentThread.ManagedThreadId > 1) Tracing.InstanceId.Value = InstanceId.ToString();
NotifyAborted();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
};
wfApp.Idle = delegate (System.Activities.WorkflowApplicationIdleEventArgs e)
{
var bookmarks = new Dictionary<string, object>();
foreach (var b in e.Bookmarks)
{
bookmarks.Add(b.BookmarkName, null);
}
Bookmarks = bookmarks;
if (Bookmarks == null || Bookmarks.Count == 0)
{
Bookmarks = bookmarks;
_ = Save<WorkflowInstance>(true);
}
state = "idle";
isDirty = true;
if (Thread.CurrentThread.ManagedThreadId > 1) Tracing.InstanceId.Value = InstanceId.ToString();
NotifyIdle();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
};
wfApp.PersistableIdle = delegate (System.Activities.WorkflowApplicationIdleEventArgs e)
{
//return PersistableIdleAction.Unload;
isDirty = true;
return System.Activities.PersistableIdleAction.Persist;
};
wfApp.Unloaded = delegate (System.Activities.WorkflowApplicationEventArgs e)
{
if (!isCompleted && !hasError)
{
state = "unloaded";
}
isDirty = true;
};
wfApp.OnUnhandledException = delegate (System.Activities.WorkflowApplicationUnhandledExceptionEventArgs e)
{
RobotInstance.unsavedTimer.Interval = 5000;
hasError = true;
isCompleted = true;
state = "failed";
Exception = e.UnhandledException;
while (Exception is System.Reflection.TargetInvocationException ti && Exception.InnerException != null)
{
Exception = Exception.InnerException;
}
errormessage = Exception.Message;
if (e.ExceptionSource != null)
{
errorsource = e.ExceptionSource.Id;
Exception.Source = errorsource;
}
//exceptionsource = e.ExceptionSource.Id;
if (runWatch != null) runWatch.Stop();
isDirty = true;
if (Thread.CurrentThread.ManagedThreadId > 1) Tracing.InstanceId.Value = InstanceId.ToString();
NotifyAborted();
OnIdleOrComplete?.Invoke(this, EventArgs.Empty);
return System.Activities.UnhandledExceptionAction.Terminate;
};
}
private object filelock = new object();
public void DeleteFile()
{
if (string.IsNullOrEmpty(InstanceId)) return;
if (string.IsNullOrEmpty(Path)) return;
var Filepath = System.IO.Path.Combine(Path, "state", InstanceId + ".json");
try
{
if (System.IO.File.Exists(Filepath)) System.IO.File.Delete(Filepath);
}
catch (Exception ex)
{
Log.Debug(ex.ToString());
}
}
private static bool hasRanPending = false;
public static async Task RunPendingInstances()
{
if (Config.local.disable_instance_store) return;
if (hasRanPending) return;
hasRanPending = true;
Log.FunctionIndent("RobotInstance", "RunPendingInstances");
// TODO: Re-implement RunPendingInstances
//try
//{
// var host = Environment.MachineName.ToLower();
// var fqdn = System.Net.Dns.GetHostEntry(Environment.MachineName).HostName.ToLower();
// //var results = await global.webSocketClient.Query<WorkflowInstance>("openrpa_instances", "{'$or':[{state: 'idle'}, {state: 'running'}], fqdn: '" + fqdn + "'}", top: 1000);
// var results = RobotInstance.instance.dbWorkflowInstances.Find(x => (x.state == "idle" || x.state == "running" || string.IsNullOrEmpty(x.state)) && x.fqdn == fqdn).ToList();
// if (results.Count == 0) return;
// Log.Information("Try running " + results.Count + " pending workflows");
// foreach (WorkflowInstance i in results.OrderBy(x => x.ident).ToList())
// {
// try
// {
// if (i.Workflow == null) i.Workflow = RobotInstance.instance.Workflows.Where(x => x._id == i.WorkflowId).FirstOrDefault() as Workflow;
// if (i.Workflow == null)
// {
// i.state = "aborted";
// i.hasError = true;
// i.errormessage = "Cannot run WorkflowInstance " + i.InstanceId + ", for unknown Workflow " + i.WorkflowId + " / " + i.name;
// continue;
// }
// else if (i.Workflow.Serializable == false)
// {
// i.state = "aborted";
// i.hasError = true;
// i.errormessage = "Cannot load instance " + i.InstanceId + " it contains no state (non serializable)";
// continue;
// }
// else if (string.IsNullOrEmpty(i.xml))
// {
// i.state = "aborted";
// i.hasError = true;
// i.errormessage = "Cannot load instance " + i.InstanceId + " it contains no state";
// continue;
// }
// var workflow = RobotInstance.instance.GetWorkflowByIDOrRelativeFilename(i.WorkflowId) as Workflow;
// if (workflow == null)
// {
// i.state = "aborted";
// i.hasError = true;
// i.errormessage = "Cannot run WorkflowInstance, second try " + i.InstanceId + ", for unknown Workflow " + i.WorkflowId + " / " + i.name;
// await i.Save<WorkflowInstance>();
// continue;
// }
// if (RobotInstance.instance.Window != null) i.OnIdleOrComplete += RobotInstance.instance.Window.IdleOrComplete;
// var _ref = (i as IWorkflowInstance);
// foreach (var runner in Plugins.runPlugins)
// {
// if (!runner.onWorkflowStarting(ref _ref, true)) throw new Exception("Runner plugin " + runner.Name + " declined running workflow instance");
// }
// i.createApp(workflow.Activity());
// if (System.Threading.Monitor.TryEnter(Instances, 1000))
// {
// try
// {
// Instances.Add(i);
// }
// finally
// {
// System.Threading.Monitor.Exit(Instances);
// }
// }
// else { throw new LockNotReceivedException("Failed adding workflow instance in running pending"); }
// i.Run();
// }
// catch (Exception ex)
// {