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Merge branch 'main' of https://github.com/esiur/esiur-dotnet

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This commit is contained in:
Ahmed Zamil 2024-08-13 00:24:35 +03:00
commit 5f874bc112
4 changed files with 38 additions and 9 deletions
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2
Esiur/Esiur.csproj
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@ -5,7 +5,7 @@
<Copyright>Ahmed Kh. Zamil</Copyright>
<PackageProjectUrl>http://www.esiur.com</PackageProjectUrl>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Version>2.4.3</Version>
<Version>2.4.4</Version>
<RepositoryUrl>https://github.com/esiur/esiur-dotnet</RepositoryUrl>
<Authors>Ahmed Kh. Zamil</Authors>
<AssemblyVersion></AssemblyVersion>

2
Esiur/Net/IIP/DistributedConnection.cs
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@ -1817,7 +1817,7 @@ public partial class DistributedConnection : NetworkConnection, IStore
{
try
{
x.TriggerError(new AsyncException(ErrorType.Management, 0, "Connection closed"));
x.Reply.TriggerError(new AsyncException(ErrorType.Management, 0, "Connection closed"));
}
catch (Exception ex)
{

23
Esiur/Net/IIP/DistributedConnectionProtocol.cs
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@ -48,7 +48,7 @@ partial class DistributedConnection
KeyList<uint, WeakReference<DistributedResource>> attachedResources = new KeyList<uint, WeakReference<DistributedResource>>();
KeyList<uint, WeakReference<DistributedResource>> suspendedResources = new KeyList<uint, WeakReference<DistributedResource>>();
KeyList<uint, AsyncReply<DistributedResource>> resourceRequests = new KeyList<uint, AsyncReply<DistributedResource>>();
KeyList<uint, DistributedResourceAttachRequestInfo> resourceRequests = new KeyList<uint, DistributedResourceAttachRequestInfo>();
KeyList<Guid, AsyncReply<TypeTemplate>> templateRequests = new KeyList<Guid, AsyncReply<TypeTemplate>>();
KeyList<string, AsyncReply<TypeTemplate>> templateByNameRequests = new KeyList<string, AsyncReply<TypeTemplate>>();
@ -2249,14 +2249,24 @@ partial class DistributedConnection
resource = neededResources[id];
var request = resourceRequests[id];
var requestInfo = resourceRequests[id];
if (request != null)
if (requestInfo != null)
{
if (resource != null && (requestSequence?.Contains(id) ?? false))
{
// dead lock avoidance for loop reference.
return new AsyncReply<DistributedResource>(resource);
}
else if (resource != null && requestInfo.RequestSequence.Contains(id))
{
// dead lock avoidance for dependent reference.
return new AsyncReply<DistributedResource>(resource);
}
else
return request;
{
return requestInfo.Reply;
}
}
else if (resource != null && !resource.DistributedResourceSuspended)
{
@ -2266,11 +2276,10 @@ partial class DistributedConnection
}
var newSequence = requestSequence != null ? requestSequence.Concat(new uint[] { id }).ToArray() : new uint[] { id };
var reply = new AsyncReply<DistributedResource>();
resourceRequests.Add(id, reply);
var newSequence = requestSequence != null ? requestSequence.Concat(new uint[] { id }).ToArray() : new uint[] { id };
resourceRequests.Add(id, new DistributedResourceAttachRequestInfo(reply, newSequence));
SendRequest(IIPPacketAction.AttachResource)
.AddUInt32(id)

20
Esiur/Net/IIP/DistributedResourceAttachRequestInfo.cs Normal file
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@ -0,0 +1,20 @@
using Esiur.Core;
using Esiur.Resource;
using System;
using System.Collections.Generic;
using System.Text;
namespace Esiur.Net.IIP
{
internal class DistributedResourceAttachRequestInfo
{
public AsyncReply<DistributedResource> Reply { get; set; }
public uint[] RequestSequence { get; set; }
public DistributedResourceAttachRequestInfo(AsyncReply<DistributedResource> reply, uint[] requestSequence)
{
Reply = reply;
RequestSequence = requestSequence;
}
}
}