mirror of
https://github.com/esiur/esiur-dotnet.git
synced 2025-10-30 23:51:34 +00:00
Add project files.
This commit is contained in:
Ahmed Zamil
802
Esiur/Net/IIP/DistributedConnectionProtocol.cs
Normal file
802
Esiur/Net/IIP/DistributedConnectionProtocol.cs
Normal file
@@ -0,0 +1,802 @@
|
||||
using Esiur.Data;
|
||||
using Esiur.Engine;
|
||||
using Esiur.Net.Packets;
|
||||
using Esiur.Resource;
|
||||
using Esiur.Resource.Template;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
|
||||
using System.Linq;
|
||||
using System.Reflection;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Esiur.Net.IIP
|
||||
{
|
||||
partial class DistributedConnection
|
||||
{
|
||||
KeyList<uint, DistributedResource> resources = new KeyList<uint, DistributedResource>();
|
||||
KeyList<uint, AsyncReply<DistributedResource>> resourceRequests = new KeyList<uint, AsyncReply<DistributedResource>>();
|
||||
KeyList<Guid, AsyncReply<ResourceTemplate>> templateRequests = new KeyList<Guid, AsyncReply<ResourceTemplate>>();
|
||||
|
||||
|
||||
KeyList<string, AsyncReply<IResource>> pathRequests = new KeyList<string, AsyncReply<IResource>>();
|
||||
|
||||
Dictionary<Guid, ResourceTemplate> templates = new Dictionary<Guid, ResourceTemplate>();
|
||||
|
||||
KeyList<uint, AsyncReply<object[]>> requests = new KeyList<uint, AsyncReply<object[]>>();
|
||||
|
||||
uint callbackCounter = 0;
|
||||
|
||||
AsyncQueue<DistributedResourceQueueItem> queue = new AsyncQueue<DistributedResourceQueueItem>();
|
||||
|
||||
/// <summary>
|
||||
/// Send IIP request.
|
||||
/// </summary>
|
||||
/// <param name="action">Packet action.</param>
|
||||
/// <param name="args">Arguments to send.</param>
|
||||
/// <returns></returns>
|
||||
internal AsyncReply<object[]> SendRequest(IIPPacket.IIPPacketAction action, params object[] args)
|
||||
{
|
||||
var reply = new AsyncReply<object[]>();
|
||||
callbackCounter++;
|
||||
var bl = new BinaryList((byte)(0x40 | (byte)action), callbackCounter);
|
||||
bl.AddRange(args);
|
||||
Send(bl.ToArray());
|
||||
requests.Add(callbackCounter, reply);
|
||||
return reply;
|
||||
}
|
||||
|
||||
void IIPReply(uint callbackId, params object[] results)
|
||||
{
|
||||
var req = requests.Take(callbackId);
|
||||
req?.Trigger(results);
|
||||
}
|
||||
|
||||
void IIPEventResourceReassigned(uint resourceId, uint newResourceId)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void IIPEventResourceDestroyed(uint resourceId)
|
||||
{
|
||||
if (resources.Contains(resourceId))
|
||||
{
|
||||
var r = resources[resourceId];
|
||||
resources.Remove(resourceId);
|
||||
r.Destroy();
|
||||
}
|
||||
}
|
||||
|
||||
void IIPEventPropertyUpdated(uint resourceId, byte index, byte[] content)
|
||||
{
|
||||
if (resources.Contains(resourceId))
|
||||
{
|
||||
// push to the queue to gaurantee serialization
|
||||
var reply = new AsyncReply<DistributedResourceQueueItem>();
|
||||
queue.Add(reply);
|
||||
|
||||
var r = resources[resourceId];
|
||||
Codec.Parse(content, 0, this).Then((arguments) =>
|
||||
{
|
||||
var pt = r.Template.GetPropertyTemplate(index);
|
||||
if (pt != null)
|
||||
{
|
||||
reply.Trigger(new DistributedResourceQueueItem((DistributedResource)r, DistributedResourceQueueItem.DistributedResourceQueueItemType.Propery, arguments, index));
|
||||
}
|
||||
else
|
||||
{ // ft found, fi not found, this should never happen
|
||||
queue.Remove(reply);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void IIPEventEventOccured(uint resourceId, byte index, byte[] content)
|
||||
{
|
||||
if (resources.Contains(resourceId))
|
||||
{
|
||||
// push to the queue to gaurantee serialization
|
||||
var reply = new AsyncReply<DistributedResourceQueueItem>();
|
||||
var r = resources[resourceId];
|
||||
|
||||
queue.Add(reply);
|
||||
|
||||
Codec.ParseVarArray(content, this).Then((arguments) =>
|
||||
{
|
||||
var et = r.Template.GetEventTemplate(index);
|
||||
if (et != null)
|
||||
{
|
||||
reply.Trigger(new DistributedResourceQueueItem((DistributedResource)r, DistributedResourceQueueItem.DistributedResourceQueueItemType.Event, arguments, index));
|
||||
}
|
||||
else
|
||||
{ // ft found, fi not found, this should never happen
|
||||
queue.Remove(reply);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
void IIPRequestAttachResource(uint callback, uint resourceId)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((res) =>
|
||||
{
|
||||
if (res != null)
|
||||
{
|
||||
var r = res as IResource;
|
||||
r.Instance.ResourceEventOccured += Instance_EventOccured;
|
||||
r.Instance.ResourceModified += Instance_PropertyModified;
|
||||
r.Instance.ResourceDestroyed += Instance_ResourceDestroyed;
|
||||
|
||||
var link = DC.ToBytes(r.Instance.Link);
|
||||
|
||||
// reply ok
|
||||
SendParams((byte)0x80, callback, r.Instance.Template.ClassId, r.Instance.Age, (ushort)link.Length, link, Codec.ComposeVarArray(r.Instance.Serialize(), this, true));
|
||||
}
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
//SendParams(0x80, r.Instance.Id, r.Instance.Age, r.Instance.Serialize(false, this));
|
||||
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestReattachResource(uint callback, uint resourceId, uint resourceAge)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((res) =>
|
||||
{
|
||||
if (res != null)
|
||||
{
|
||||
var r = res as IResource;
|
||||
r.Instance.ResourceEventOccured += Instance_EventOccured;
|
||||
r.Instance.ResourceModified += Instance_PropertyModified;
|
||||
r.Instance.ResourceDestroyed += Instance_ResourceDestroyed;
|
||||
// reply ok
|
||||
SendParams((byte)0x81, callback, r.Instance.Age, Codec.ComposeVarArray(r.Instance.Serialize(), this, true));
|
||||
}
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestDetachResource(uint callback, uint resourceId)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((res) =>
|
||||
{
|
||||
if (res != null)
|
||||
{
|
||||
var r = res as IResource;
|
||||
r.Instance.ResourceEventOccured -= Instance_EventOccured;
|
||||
r.Instance.ResourceModified -= Instance_PropertyModified;
|
||||
r.Instance.ResourceDestroyed -= Instance_ResourceDestroyed;
|
||||
// reply ok
|
||||
SendParams((byte)0x82, callback);
|
||||
}
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestCreateResource(uint callback, string className)
|
||||
{
|
||||
// not implemented
|
||||
}
|
||||
|
||||
void IIPRequestDeleteResource(uint callback, uint resourceId)
|
||||
{
|
||||
// not implemented
|
||||
|
||||
}
|
||||
|
||||
void IIPRequestTemplateFromClassName(uint callback, string className)
|
||||
{
|
||||
Warehouse.GetTemplate(className).Then((t) =>
|
||||
{
|
||||
if (t != null)
|
||||
SendParams((byte)0x88, callback, t.Content);
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestTemplateFromClassId(uint callback, Guid classId)
|
||||
{
|
||||
Warehouse.GetTemplate(classId).Then((t) =>
|
||||
{
|
||||
if (t != null)
|
||||
SendParams((byte)0x89, callback, (uint)t.Content.Length, t.Content);
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestTemplateFromResourceLink(uint callback, string resourceLink)
|
||||
{
|
||||
Warehouse.GetTemplate(resourceLink).Then((t) =>
|
||||
{
|
||||
if (t != null)
|
||||
SendParams((byte)0x8A, callback, t.Content);
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestTemplateFromResourceId(uint callback, uint resourceId)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
SendParams((byte)0x8B, callback, r.Instance.Template.Content);
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestResourceIdFromResourceLink(uint callback, string resourceLink)
|
||||
{
|
||||
Warehouse.Get(resourceLink).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
SendParams((byte)0x8C, callback, r.Instance.Template.ClassId, r.Instance.Id, r.Instance.Age);
|
||||
else
|
||||
{
|
||||
// reply failed
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestInvokeFunction(uint callback, uint resourceId, byte index, byte[] content)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
{
|
||||
Codec.ParseVarArray(content, this).Then(async (arguments) =>
|
||||
{
|
||||
var ft = r.Instance.Template.GetFunctionTemplate(index);
|
||||
if (ft != null)
|
||||
{
|
||||
if (r is DistributedResource)
|
||||
{
|
||||
var rt = (r as DistributedResource)._Invoke(index, arguments);
|
||||
if (rt != null)
|
||||
{
|
||||
rt.Then(res =>
|
||||
{
|
||||
SendParams((byte)0x90, callback, Codec.Compose(res, this));
|
||||
});
|
||||
}
|
||||
else
|
||||
{
|
||||
// function not found on a distributed object
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if NETSTANDARD1_5
|
||||
var fi = r.GetType().GetTypeInfo().GetMethod(ft.Name);
|
||||
#else
|
||||
var fi = r.GetType().GetMethod(ft.Name);
|
||||
#endif
|
||||
|
||||
if (fi != null)
|
||||
{
|
||||
// cast shit
|
||||
ParameterInfo[] pi = fi.GetParameters();
|
||||
object[] args = null;
|
||||
|
||||
if (pi.Length > 0)
|
||||
{
|
||||
int argsCount = pi.Length;
|
||||
args = new object[pi.Length];
|
||||
|
||||
if (pi[pi.Length - 1].ParameterType == typeof(DistributedConnection))
|
||||
{
|
||||
args[--argsCount] = this;
|
||||
}
|
||||
|
||||
if (arguments != null)
|
||||
{
|
||||
for (int i = 0; i < argsCount && i < arguments.Length; i++)
|
||||
{
|
||||
args[i] = DC.CastConvert(arguments[i], pi[i].ParameterType);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var rt = fi.Invoke(r, args);
|
||||
|
||||
if (rt is Task)
|
||||
{
|
||||
var t = (Task)rt;
|
||||
//Console.WriteLine(t.IsCompleted);
|
||||
await t;
|
||||
#if NETSTANDARD1_5
|
||||
var res = t.GetType().GetTypeInfo().GetProperty("Result").GetValue(t);
|
||||
#else
|
||||
var res = t.GetType().GetProperty("Result").GetValue(t);
|
||||
#endif
|
||||
SendParams((byte)0x90, callback, Codec.Compose(res, this));
|
||||
}
|
||||
else if (rt is AsyncReply) //(rt.GetType().IsGenericType && (rt.GetType().GetGenericTypeDefinition() == typeof(AsyncReply<>)))
|
||||
{
|
||||
(rt as AsyncReply).Then(res =>
|
||||
{
|
||||
SendParams((byte)0x90, callback, Codec.Compose(res, this));
|
||||
});
|
||||
}
|
||||
else
|
||||
{
|
||||
SendParams((byte)0x90, callback, Codec.Compose(rt, this));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// ft found, fi not found, this should never happen
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// no function at this index
|
||||
}
|
||||
});
|
||||
}
|
||||
else
|
||||
{
|
||||
// no resource with this id
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestGetProperty(uint callback, uint resourceId, byte index)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
{
|
||||
var pt = r.Instance.Template.GetFunctionTemplate(index);
|
||||
if (pt != null)
|
||||
{
|
||||
if (r is DistributedResource)
|
||||
{
|
||||
SendParams((byte)0x91, callback, Codec.Compose((r as DistributedResource)._Get(pt.Index), this));
|
||||
}
|
||||
else
|
||||
{
|
||||
#if NETSTANDARD1_5
|
||||
var pi = r.GetType().GetTypeInfo().GetProperty(pt.Name);
|
||||
#else
|
||||
var pi = r.GetType().GetProperty(pt.Name);
|
||||
#endif
|
||||
|
||||
if (pi != null)
|
||||
{
|
||||
SendParams((byte)0x91, callback, Codec.Compose(pi.GetValue(r), this));
|
||||
}
|
||||
else
|
||||
{
|
||||
// pt found, pi not found, this should never happen
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// pt not found
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// resource not found
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestGetPropertyIfModifiedSince(uint callback, uint resourceId, byte index, uint age)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
{
|
||||
var pt = r.Instance.Template.GetFunctionTemplate(index);
|
||||
if (pt != null)
|
||||
{
|
||||
if (r.Instance.GetAge(index) > age)
|
||||
{
|
||||
#if NETSTANDARD1_5
|
||||
var pi = r.GetType().GetTypeInfo().GetProperty(pt.Name);
|
||||
#else
|
||||
var pi = r.GetType().GetProperty(pt.Name);
|
||||
#endif
|
||||
if (pi != null)
|
||||
{
|
||||
SendParams((byte)0x92, callback, Codec.Compose(pi.GetValue(r), this));
|
||||
}
|
||||
else
|
||||
{
|
||||
// pt found, pi not found, this should never happen
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
SendParams((byte)0x92, callback, (byte)DataType.NotModified);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// pt not found
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// resource not found
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void IIPRequestSetProperty(uint callback, uint resourceId, byte index, byte[] content)
|
||||
{
|
||||
Warehouse.Get(resourceId).Then((r) =>
|
||||
{
|
||||
if (r != null)
|
||||
{
|
||||
|
||||
|
||||
var pt = r.Instance.Template.GetPropertyTemplate(index);
|
||||
if (pt != null)
|
||||
{
|
||||
Codec.Parse(content, 0, this).Then((value) =>
|
||||
{
|
||||
if (r is DistributedResource)
|
||||
{
|
||||
// propagation
|
||||
(r as DistributedResource)._Set(index, value).Then((x) =>
|
||||
{
|
||||
SendParams((byte)0x93, callback);
|
||||
});
|
||||
}
|
||||
else
|
||||
{
|
||||
#if NETSTANDARD1_5
|
||||
var pi = r.GetType().GetTypeInfo().GetProperty(pt.Name);
|
||||
#else
|
||||
var pi = r.GetType().GetProperty(pt.Name);
|
||||
#endif
|
||||
if (pi != null)
|
||||
{
|
||||
// cast new value type to property type
|
||||
|
||||
var v = DC.CastConvert(value, pi.PropertyType);
|
||||
pi.SetValue(r, v);
|
||||
|
||||
SendParams((byte)0x93, callback);
|
||||
}
|
||||
else
|
||||
{
|
||||
// pt found, pi not found, this should never happen
|
||||
}
|
||||
}
|
||||
|
||||
});
|
||||
}
|
||||
else
|
||||
{
|
||||
// property not found
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// resource not found
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/*
|
||||
void IIPReplyAttachResource(uint callback, uint resourceAge, object[] properties)
|
||||
{
|
||||
if (requests.ContainsKey(callback))
|
||||
{
|
||||
var req = requests[callback];
|
||||
var r = resources[(uint)req.Arguments[0]];
|
||||
|
||||
if (r == null)
|
||||
{
|
||||
r.Instance.Deserialize(properties);
|
||||
r.Instance.Age = resourceAge;
|
||||
r.Attached();
|
||||
|
||||
// process stack
|
||||
foreach (var rr in resources.Values)
|
||||
rr.Stack.ProcessStack();
|
||||
}
|
||||
else
|
||||
{
|
||||
// resource not found
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void IIPReplyReattachResource(uint callback, uint resourceAge, object[] properties)
|
||||
{
|
||||
var req = requests.Take(callback);
|
||||
|
||||
if (req != null)
|
||||
{
|
||||
var r = resources[(uint)req.Arguments[0]];
|
||||
|
||||
if (r == null)
|
||||
{
|
||||
r.Instance.Deserialize(properties);
|
||||
r.Instance.Age = resourceAge;
|
||||
r.Attached();
|
||||
|
||||
// process stack
|
||||
foreach (var rr in resources.Values)
|
||||
rr.Stack.ProcessStack();
|
||||
}
|
||||
else
|
||||
{
|
||||
// resource not found
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void IIPReplyDetachResource(uint callback)
|
||||
{
|
||||
var req = requests.Take(callback);
|
||||
// nothing to do
|
||||
}
|
||||
|
||||
void IIPReplyCreateResource(uint callback, Guid classId, uint resourceId)
|
||||
{
|
||||
var req = requests.Take(callback);
|
||||
// nothing to do
|
||||
|
||||
}
|
||||
void IIPReplyDeleteResource(uint callback)
|
||||
{
|
||||
var req = requests.Take(callback);
|
||||
// nothing to do
|
||||
|
||||
}
|
||||
|
||||
void IIPReplyTemplateFromClassName(uint callback, ResourceTemplate template)
|
||||
{
|
||||
// cache
|
||||
if (!templates.ContainsKey(template.ClassId))
|
||||
templates.Add(template.ClassId, template);
|
||||
|
||||
var req = requests.Take(callback);
|
||||
req?.Trigger(template);
|
||||
}
|
||||
|
||||
void IIPReplyTemplateFromClassId(uint callback, ResourceTemplate template)
|
||||
{
|
||||
// cache
|
||||
if (!templates.ContainsKey(template.ClassId))
|
||||
templates.Add(template.ClassId, template);
|
||||
|
||||
var req = requests.Take(callback);
|
||||
req?.Trigger(template);
|
||||
|
||||
}
|
||||
|
||||
void IIPReplyTemplateFromResourceLink(uint callback, ResourceTemplate template)
|
||||
{
|
||||
// cache
|
||||
if (!templates.ContainsKey(template.ClassId))
|
||||
templates.Add(template.ClassId, template);
|
||||
|
||||
var req = requests.Take(callback);
|
||||
req?.Trigger(template);
|
||||
}
|
||||
|
||||
void IIPReplyTemplateFromResourceId(uint callback, ResourceTemplate template)
|
||||
{
|
||||
// cache
|
||||
if (!templates.ContainsKey(template.ClassId))
|
||||
templates.Add(template.ClassId, template);
|
||||
|
||||
var req = requests.Take(callback);
|
||||
req?.Trigger(template);
|
||||
}
|
||||
|
||||
void IIPReplyResourceIdFromResourceLink(uint callback, Guid classId, uint resourceId, uint resourceAge)
|
||||
{
|
||||
var req = requests.Take(callback);
|
||||
req?.Trigger(template);
|
||||
}
|
||||
|
||||
void IIPReplyInvokeFunction(uint callback, object returnValue)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void IIPReplyGetProperty(uint callback, object value)
|
||||
{
|
||||
|
||||
}
|
||||
void IIPReplyGetPropertyIfModifiedSince(uint callback, object value)
|
||||
{
|
||||
|
||||
}
|
||||
void IIPReplySetProperty(uint callback)
|
||||
{
|
||||
|
||||
}
|
||||
*/
|
||||
|
||||
/// <summary>
|
||||
/// Get the ResourceTemplate for a given class Id.
|
||||
/// </summary>
|
||||
/// <param name="classId">Class GUID.</param>
|
||||
/// <returns>ResourceTemplate.</returns>
|
||||
public AsyncReply<ResourceTemplate> GetTemplate(Guid classId)
|
||||
{
|
||||
if (templates.ContainsKey(classId))
|
||||
return new AsyncReply<ResourceTemplate>(templates[classId]);
|
||||
else if (templateRequests.ContainsKey(classId))
|
||||
return templateRequests[classId];
|
||||
|
||||
var reply = new AsyncReply<ResourceTemplate>();
|
||||
templateRequests.Add(classId, reply);
|
||||
|
||||
SendRequest(IIPPacket.IIPPacketAction.TemplateFromClassId, classId).Then((rt) =>
|
||||
{
|
||||
templateRequests.Remove(classId);
|
||||
templates.Add(((ResourceTemplate)rt[0]).ClassId, (ResourceTemplate)rt[0]);
|
||||
reply.Trigger(rt[0]);
|
||||
});
|
||||
|
||||
return reply;
|
||||
}
|
||||
|
||||
// IStore interface
|
||||
/// <summary>
|
||||
/// Get a resource by its path.
|
||||
/// </summary>
|
||||
/// <param name="path">Path to the resource.</param>
|
||||
/// <returns>Resource</returns>
|
||||
public AsyncReply<IResource> Get(string path)
|
||||
{
|
||||
if (pathRequests.ContainsKey(path))
|
||||
return pathRequests[path];
|
||||
|
||||
var reply = new AsyncReply<IResource>();
|
||||
pathRequests.Add(path, reply);
|
||||
|
||||
var bl = new BinaryList(path);
|
||||
bl.Insert(0, (ushort)bl.Length);
|
||||
|
||||
SendRequest(IIPPacket.IIPPacketAction.ResourceIdFromResourceLink, bl.ToArray()).Then((rt) =>
|
||||
{
|
||||
pathRequests.Remove(path);
|
||||
//(Guid)rt[0],
|
||||
Fetch( (uint)rt[1]).Then((r) =>
|
||||
{
|
||||
reply.Trigger(r);
|
||||
});
|
||||
});
|
||||
|
||||
|
||||
return reply;
|
||||
}
|
||||
|
||||
/// <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>
|
||||
/// Fetch a resource from the other end
|
||||
/// </summary>
|
||||
/// <param name="classId">Class GUID</param>
|
||||
/// <param name="id">Resource Id</param>Guid classId
|
||||
/// <returns>DistributedResource</returns>
|
||||
public AsyncReply<DistributedResource> Fetch( uint id)
|
||||
{
|
||||
if (resourceRequests.ContainsKey(id) && resources.ContainsKey(id))
|
||||
{
|
||||
// dig for dead locks
|
||||
return resourceRequests[id];
|
||||
}
|
||||
else if (resourceRequests.ContainsKey(id))
|
||||
return resourceRequests[id];
|
||||
else if (resources.ContainsKey(id))
|
||||
return new AsyncReply<DistributedResource>(resources[id]);
|
||||
|
||||
var reply = new AsyncReply<DistributedResource>();
|
||||
|
||||
SendRequest(IIPPacket.IIPPacketAction.AttachResource, id).Then((rt) =>
|
||||
{
|
||||
GetTemplate((Guid)rt[0]).Then((tmp) =>
|
||||
{
|
||||
|
||||
// ClassId, ResourceAge, ResourceLink, Content
|
||||
|
||||
//var dr = Warehouse.New<DistributedResource>(id.ToString(), this);
|
||||
//var dr = nInitialize(this, tmp, id, (uint)rt[0]);
|
||||
var dr = new DistributedResource(this, tmp, id, (uint)rt[1], (string)rt[2]);
|
||||
Warehouse.Put(dr, id.ToString(), this);
|
||||
|
||||
Codec.ParseVarArray((byte[])rt[3], this).Then((ar) =>
|
||||
{
|
||||
dr._Attached(ar);
|
||||
resourceRequests.Remove(id);
|
||||
reply.Trigger(dr);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
return reply;
|
||||
}
|
||||
|
||||
private void Instance_ResourceDestroyed(IResource resource)
|
||||
{
|
||||
// compose the packet
|
||||
SendParams((byte)0x1, resource.Instance.Id);
|
||||
}
|
||||
|
||||
private void Instance_PropertyModified(IResource resource, string name, object newValue, object oldValue)
|
||||
{
|
||||
var pt = resource.Instance.Template.GetPropertyTemplate(name);
|
||||
|
||||
if (pt == null)
|
||||
return;
|
||||
|
||||
// compose the packet
|
||||
if (newValue is Func<DistributedConnection, object>)
|
||||
SendParams((byte)0x10, resource.Instance.Id, pt.Index, Codec.Compose((newValue as Func<DistributedConnection, object>)(this), this));
|
||||
else
|
||||
SendParams((byte)0x10, resource.Instance.Id, pt.Index, Codec.Compose(newValue, this));
|
||||
|
||||
}
|
||||
|
||||
private void Instance_EventOccured(IResource resource, string name, string[] receivers, object[] args)
|
||||
{
|
||||
var et = resource.Instance.Template.GetEventTemplate(name);
|
||||
|
||||
if (et == null)
|
||||
return;
|
||||
|
||||
if (receivers != null)
|
||||
if (!receivers.Contains(RemoteUsername))
|
||||
return;
|
||||
|
||||
var clientArgs = new object[args.Length];
|
||||
for (var i = 0; i < args.Length; i++)
|
||||
if (args[i] is Func<DistributedConnection, object>)
|
||||
clientArgs[i] = (args[i] as Func<DistributedConnection, object>)(this);
|
||||
else
|
||||
clientArgs[i] = args[i];
|
||||
|
||||
|
||||
// compose the packet
|
||||
SendParams((byte)0x11, resource.Instance.Id, (byte)et.Index, Codec.ComposeVarArray(args, this, true));
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user