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Complete Notifications when Plc is disposed

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This commit is contained in:
Peter Butzhammer
2024-02-07 08:51:40 +01:00
parent d678924b6e
commit 956f39cc66
3 changed files with 17 additions and 38 deletions
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3
Sharp7.Rx/Basics/ConcurrentSubjectDictionary.cs
View File

@@ -85,7 +85,8 @@ namespace Sharp7.Rx.Basics
return;
if (disposing && dictionary != null)
{
dictionary.Values.DisposeItems();
foreach (var subjectWithRefCounter in dictionary)
subjectWithRefCounter.Value.Subject.OnCompleted();
dictionary.Clear();
dictionary = null;
}

8
Sharp7.Rx/Extensions/DisposableExtensions.cs
View File

@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Disposables;
namespace Sharp7.Rx.Extensions
@@ -11,11 +9,5 @@ namespace Sharp7.Rx.Extensions
{
compositeDisposable.Add(disposable);
}
public static void DisposeItems(this IEnumerable<object> disposables)
{
foreach (IDisposable disposable in disposables.OfType<IDisposable>())
disposable?.Dispose();
}
}
}

44
Sharp7.Rx/Sharp7Plc.cs
View File

@@ -5,7 +5,6 @@ using System.Linq;
using System.Reactive;
using System.Reactive.Disposables;
using System.Reactive.Linq;
using System.Reactive.Subjects;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
@@ -22,7 +21,6 @@ namespace Sharp7.Rx
{
private readonly IS7VariableNameParser varaibleNameParser = new CacheVariableNameParser(new S7VariableNameParser());
private bool disposed;
private ISubject<Unit> disposingSubject = new Subject<Unit>();
private IS7Connector s7Connector;
private readonly PlcConnectionSettings plcConnectionSettings;
private readonly ConcurrentSubjectDictionary<string, byte[]> multiVariableSubscriptions = new ConcurrentSubjectDictionary<string, byte[]>(StringComparer.InvariantCultureIgnoreCase);
@@ -182,33 +180,26 @@ namespace Sharp7.Rx
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
if (disposed) return;
disposed = true;
if (disposing)
{
if (disposing)
{
Disposables.Dispose();
Disposables.Dispose();
if (disposingSubject != null)
{
disposingSubject.OnNext(Unit.Default);
disposingSubject.OnCompleted();
var disposable = (disposingSubject as IDisposable);
if (disposable != null) disposable.Dispose();
disposingSubject = null;
}
if (s7Connector != null)
{
s7Connector.Disconnect().Wait();
s7Connector.Dispose();
s7Connector = null;
}
if (s7Connector != null)
{
s7Connector.Disconnect().Wait();
s7Connector.Dispose();
s7Connector = null;
}
disposed = true;
multiVariableSubscriptions.Dispose();
}
}
@@ -224,7 +215,6 @@ namespace Sharp7.Rx
.SelectMany(connected => GetAllValues(connected, connector))
.RepeatAfterDelay(cycle)
.LogAndRetryAfterDelay(Logger, cycle, "Error while getting batch notifications from plc")
.TakeUntil(disposingSubject)
.Subscribe();
}
@@ -239,15 +229,11 @@ namespace Sharp7.Rx
var stopWatch = Stopwatch.StartNew();
foreach (var partsOfMultiVarRequest in multiVariableSubscriptions.ExistingKeys.Buffer(MultiVarRequestMaxItems))
{
var multiVarRequest = await connector.ExecuteMultiVarRequest(partsOfMultiVarRequest as IReadOnlyList<string>??partsOfMultiVarRequest.ToList());
var multiVarRequest = await connector.ExecuteMultiVarRequest(partsOfMultiVarRequest as IReadOnlyList<string>);
foreach (var pair in multiVarRequest)
{
if (multiVariableSubscriptions.TryGetObserver(pair.Key, out var subject))
{
if (multiVariableSubscriptions.TryGetObserver(pair.Key, out var subject))
subject.OnNext(pair.Value);
}
}
}
stopWatch.Stop();