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Esiur Project
2022-08-11 21:28:16 +03:00
parent af94ce318a
commit 21a2061fc4
12 changed files with 355 additions and 154 deletions
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93
Esiur/Net/IIP/DistributedConnectionProtocol.cs
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@ -37,30 +37,31 @@ using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Security.Cryptography.X509Certificates;
using Esiur.Misc;
namespace Esiur.Net.IIP;
partial class DistributedConnection
{
KeyList<uint, DistributedResource> resources = new KeyList<uint, DistributedResource>();
KeyList<uint, DistributedResource> neededResources = new KeyList<uint, DistributedResource>();
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<Guid, AsyncReply<TypeTemplate>> templateRequests = new KeyList<Guid, AsyncReply<TypeTemplate>>();
KeyList<string, AsyncReply<TypeTemplate>> templateByNameRequests = new KeyList<string, AsyncReply<TypeTemplate>>();
KeyList<string, AsyncReply<IResource>> pathRequests = new KeyList<string, AsyncReply<IResource>>();
Dictionary<Guid, TypeTemplate> templates = new Dictionary<Guid, TypeTemplate>();
KeyList<uint, AsyncReply> requests = new KeyList<uint, AsyncReply>();
volatile uint callbackCounter = 0;
//List<IResource> subscriptions = new List<IResource>();
Dictionary<IResource, List<byte>> subscriptions = new Dictionary<IResource, List<byte>>();// new List<IResource>();
Dictionary<IResource, List<byte>> subscriptions = new Dictionary<IResource, List<byte>>();
// resources might get attched by the client
internal KeyList<IResource, DateTime> cache = new();
object subscriptionsLock = new object();
@ -217,6 +218,24 @@ partial class DistributedConnection
}
}
public async void DetachResource(uint instanceId)
{
try
{
if (attachedResources.ContainsKey(instanceId))
attachedResources.Remove(instanceId);
if (suspendedResources.ContainsKey(instanceId))
suspendedResources.Remove(instanceId);
await SendDetachRequest(instanceId);
}
catch
{
}
}
void SendError(ErrorType type, uint callbackId, ushort errorCode, string errorMessage = "")
{
var msg = DC.ToBytes(errorMessage);
@ -306,11 +325,19 @@ partial class DistributedConnection
void IIPEventResourceDestroyed(uint resourceId)
{
if (resources.Contains(resourceId))
if (attachedResources.Contains(resourceId))
{
var r = resources[resourceId];
resources.Remove(resourceId);
r.Destroy();
DistributedResource r;
if (attachedResources[resourceId].TryGetTarget(out r))
r.Destroy();
attachedResources.Remove(resourceId);
}
else if (neededResources.Contains(resourceId))
{
// @TODO: handle this mess
neededResources.Remove(resourceId);
}
}
@ -1229,9 +1256,6 @@ partial class DistributedConnection
}
[Attribute]
public ExceptionLevel ExceptionLevel { get; set; }
= ExceptionLevel.Code | ExceptionLevel.Message | ExceptionLevel.Source | ExceptionLevel.Trace;
private Tuple<ushort, string> SummerizeException(Exception ex)
{
@ -2115,18 +2139,18 @@ partial class DistributedConnection
*/
}
/// <summary>
/// Retrive a resource by its instance Id.
/// </summary>
/// <param name="iid">Instance Id</param>
/// <returns>Resource</returns>
public AsyncReply<IResource> Retrieve(uint iid)
{
foreach (var r in resources.Values)
if (r.Instance.Id == iid)
return new AsyncReply<IResource>(r);
return new AsyncReply<IResource>(null);
}
///// <summary>
///// Retrive a resource by its instance Id.
///// </summary>
///// <param name="iid">Instance Id</param>
///// <returns>Resource</returns>
//public AsyncReply<IResource> Retrieve(uint iid)
//{
// foreach (var r in resources.Values)
// if (r.Instance.Id == iid)
// return new AsyncReply<IResource>(r);
// return new AsyncReply<IResource>(null);
//}
public AsyncReply<TypeTemplate[]> GetLinkTemplates(string link)
@ -2173,7 +2197,15 @@ partial class DistributedConnection
/// <returns>DistributedResource</returns>
public AsyncReply<DistributedResource> Fetch(uint id, uint[] requestSequence)
{
var resource = resources[id];
DistributedResource resource = null;
attachedResources[id]?.TryGetTarget(out resource);
if (resource != null)
return new AsyncReply<DistributedResource>(resource);
resource = neededResources[id];
var request = resourceRequests[id];
if (request != null)
@ -2185,7 +2217,10 @@ partial class DistributedConnection
}
else if (resource != null && !resource.Suspended)
{
// @REVIEW: this should never happen
Global.Log("DCON", LogType.Error, "Resource not moved to attached.");
return new AsyncReply<DistributedResource>(resource);
}
@ -2220,7 +2255,10 @@ partial class DistributedConnection
dr = new DistributedResource(this, id, (ulong)rt[1], (string)rt[2]);
}
else
{
dr = resource;
template = resource.Instance.Template;
}
var transmissionType = (TransmissionType)rt[3];
var content = (byte[])rt[4];
@ -2239,6 +2277,9 @@ partial class DistributedConnection
dr._Attach(pvs.ToArray());// (PropertyValue[])pvs);
resourceRequests.Remove(id);
// move from needed to attached.
neededResources.Remove(id);
attachedResources[id] = new WeakReference<DistributedResource>(dr);
reply.Trigger(dr);
}).Error(ex => reply.TriggerError(ex));