mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-05 01:21:07 +01:00
605 lines
26 KiB
C#
Executable File
605 lines
26 KiB
C#
Executable File
/* Copyright (c) Cloud Software Group, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Reflection;
|
|
using XenAPI;
|
|
using XenAdmin.Core;
|
|
using XenAdmin.Model;
|
|
using System.Linq;
|
|
using System.Diagnostics;
|
|
using XenCenterLib;
|
|
|
|
namespace XenAdmin.Network
|
|
{
|
|
public class Cache : ICache
|
|
{
|
|
#pragma warning disable 0414
|
|
|
|
// keep sorted please
|
|
private readonly ChangeableDictionary<XenRef<Blob>, Blob> _blob = new ChangeableDictionary<XenRef<Blob>, Blob>();
|
|
private readonly ChangeableDictionary<XenRef<Bond>, Bond> _bond = new ChangeableDictionary<XenRef<Bond>, Bond>();
|
|
private readonly ChangeableDictionary<XenRef<Certificate>, Certificate> _certificates = new ChangeableDictionary<XenRef<Certificate>, Certificate>();
|
|
private readonly ChangeableDictionary<XenRef<Cluster_host>, Cluster_host> _cluster_host = new ChangeableDictionary<XenRef<Cluster_host>, Cluster_host>();
|
|
private readonly ChangeableDictionary<XenRef<Cluster>, Cluster> _cluster = new ChangeableDictionary<XenRef<Cluster>, Cluster>();
|
|
private readonly ChangeableDictionary<XenRef<XenAPI.Console>, XenAPI.Console> _console = new ChangeableDictionary<XenRef<XenAPI.Console>, XenAPI.Console>();
|
|
private readonly ChangeableDictionary<XenRef<Crashdump>, Crashdump> _crashdump = new ChangeableDictionary<XenRef<Crashdump>, Crashdump>();
|
|
private readonly ChangeableDictionary<XenRef<DockerContainer>, DockerContainer> _dockerContainers = new ChangeableDictionary<XenRef<DockerContainer>, DockerContainer>();
|
|
private readonly ChangeableDictionary<XenRef<Feature>, Feature> _feature = new ChangeableDictionary<XenRef<Feature>, Feature>();
|
|
private readonly ChangeableDictionary<XenRef<Folder>, Folder> _folders = new ChangeableDictionary<XenRef<Folder>, Folder>();
|
|
private readonly ChangeableDictionary<XenRef<GPU_group>, GPU_group> _gpu_groups = new ChangeableDictionary<XenRef<GPU_group>, GPU_group>();
|
|
private readonly ChangeableDictionary<XenRef<Host_cpu>, Host_cpu> _host_cpu = new ChangeableDictionary<XenRef<Host_cpu>, Host_cpu>();
|
|
private readonly ChangeableDictionary<XenRef<Host_crashdump>, Host_crashdump> _host_crashdump = new ChangeableDictionary<XenRef<Host_crashdump>, Host_crashdump>();
|
|
private readonly ChangeableDictionary<XenRef<Host_metrics>, Host_metrics> _host_metrics = new ChangeableDictionary<XenRef<Host_metrics>, Host_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<Host_patch>, Host_patch> _host_patch = new ChangeableDictionary<XenRef<Host_patch>, Host_patch>();
|
|
private readonly ChangeableDictionary<XenRef<Host>, Host> _host = new ChangeableDictionary<XenRef<Host>, Host>();
|
|
private readonly ChangeableDictionary<XenRef<Message>, Message> _message = new ChangeableDictionary<XenRef<Message>, Message>();
|
|
private readonly ChangeableDictionary<XenRef<Network_sriov>, Network_sriov> _network_sriov = new ChangeableDictionary<XenRef<Network_sriov>, Network_sriov>();
|
|
private readonly ChangeableDictionary<XenRef<XenAPI.Network>, XenAPI.Network> _network = new ChangeableDictionary<XenRef<XenAPI.Network>, XenAPI.Network>();
|
|
private readonly ChangeableDictionary<XenRef<PBD>, PBD> _pbd = new ChangeableDictionary<XenRef<PBD>, PBD>();
|
|
private readonly ChangeableDictionary<XenRef<PCI>, PCI> _pcis = new ChangeableDictionary<XenRef<PCI>, PCI>();
|
|
private readonly ChangeableDictionary<XenRef<PGPU>, PGPU> _pgpu = new ChangeableDictionary<XenRef<PGPU>, PGPU>();
|
|
private readonly ChangeableDictionary<XenRef<PIF_metrics>, PIF_metrics> _pif_metrics = new ChangeableDictionary<XenRef<PIF_metrics>, PIF_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<PIF>, PIF> _pif = new ChangeableDictionary<XenRef<PIF>, PIF>();
|
|
private readonly ChangeableDictionary<XenRef<Pool_patch>, Pool_patch> _pool_patch = new ChangeableDictionary<XenRef<Pool_patch>, Pool_patch>();
|
|
private readonly ChangeableDictionary<XenRef<Pool_update>, Pool_update> _pool_update = new ChangeableDictionary<XenRef<Pool_update>, Pool_update>();
|
|
private readonly ChangeableDictionary<XenRef<Pool>, Pool> _pool = new ChangeableDictionary<XenRef<Pool>, Pool>();
|
|
private readonly ChangeableDictionary<XenRef<PUSB>, PUSB> _pusb = new ChangeableDictionary<XenRef<PUSB>, PUSB>();
|
|
private readonly ChangeableDictionary<XenRef<PVS_cache_storage>, PVS_cache_storage> _pvs_cache_storage = new ChangeableDictionary<XenRef<PVS_cache_storage>, PVS_cache_storage>();
|
|
private readonly ChangeableDictionary<XenRef<PVS_proxy>, PVS_proxy> _pvs_proxy = new ChangeableDictionary<XenRef<PVS_proxy>, PVS_proxy>();
|
|
private readonly ChangeableDictionary<XenRef<PVS_server>, PVS_server> _pvs_server = new ChangeableDictionary<XenRef<PVS_server>, PVS_server>();
|
|
private readonly ChangeableDictionary<XenRef<PVS_site>, PVS_site> _pvs_site = new ChangeableDictionary<XenRef<PVS_site>, PVS_site>();
|
|
private readonly ChangeableDictionary<XenRef<Repository>, Repository> _repositories = new ChangeableDictionary<XenRef<Repository>, Repository>();
|
|
private readonly ChangeableDictionary<XenRef<Role>, Role> _role = new ChangeableDictionary<XenRef<Role>, Role>();
|
|
private readonly ChangeableDictionary<XenRef<SM>, SM> _sm = new ChangeableDictionary<XenRef<SM>, SM>();
|
|
private readonly ChangeableDictionary<XenRef<SR>, SR> _sr = new ChangeableDictionary<XenRef<SR>, SR>();
|
|
private readonly ChangeableDictionary<XenRef<Subject>, Subject> _subject = new ChangeableDictionary<XenRef<Subject>, Subject>();
|
|
private readonly ChangeableDictionary<XenRef<Task>, Task> _task = new ChangeableDictionary<XenRef<Task>, Task>();
|
|
private readonly ChangeableDictionary<XenRef<Tunnel>, Tunnel> _tunnel = new ChangeableDictionary<XenRef<Tunnel>, Tunnel>();
|
|
private readonly ChangeableDictionary<XenRef<USB_group>, USB_group> _usb_group = new ChangeableDictionary<XenRef<USB_group>, USB_group>();
|
|
private readonly ChangeableDictionary<XenRef<VBD_metrics>, VBD_metrics> _vbd_metrics = new ChangeableDictionary<XenRef<VBD_metrics>, VBD_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<VBD>, VBD> _vbd = new ChangeableDictionary<XenRef<VBD>, VBD>();
|
|
private readonly ChangeableDictionary<XenRef<VDI>, VDI> _vdi = new ChangeableDictionary<XenRef<VDI>, VDI>();
|
|
private readonly ChangeableDictionary<XenRef<VGPU_type>, VGPU_type> _vgpu_types = new ChangeableDictionary<XenRef<VGPU_type>, VGPU_type>();
|
|
private readonly ChangeableDictionary<XenRef<VGPU>, VGPU> _vgpu = new ChangeableDictionary<XenRef<VGPU>, VGPU>();
|
|
private readonly ChangeableDictionary<XenRef<VIF_metrics>, VIF_metrics> _vif_metrics = new ChangeableDictionary<XenRef<VIF_metrics>, VIF_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<VIF>, VIF> _vif = new ChangeableDictionary<XenRef<VIF>, VIF>();
|
|
private readonly ChangeableDictionary<XenRef<VLAN>, VLAN> _vlan = new ChangeableDictionary<XenRef<VLAN>, VLAN>();
|
|
private readonly ChangeableDictionary<XenRef<VM_appliance>, VM_appliance> _vm_appliance = new ChangeableDictionary<XenRef<VM_appliance>, VM_appliance>();
|
|
private readonly ChangeableDictionary<XenRef<VM_guest_metrics>, VM_guest_metrics> _vm_guest_metrics = new ChangeableDictionary<XenRef<VM_guest_metrics>, VM_guest_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<VM_metrics>, VM_metrics> _vm_metrics = new ChangeableDictionary<XenRef<VM_metrics>, VM_metrics>();
|
|
private readonly ChangeableDictionary<XenRef<VM>, VM> _vm = new ChangeableDictionary<XenRef<VM>, VM>();
|
|
private readonly ChangeableDictionary<XenRef<VMSS>, VMSS> _vmss = new ChangeableDictionary<XenRef<VMSS>, VMSS>();
|
|
private readonly ChangeableDictionary<XenRef<VTPM>, VTPM> _vtpms = new ChangeableDictionary<XenRef<VTPM>, VTPM>();
|
|
private readonly ChangeableDictionary<XenRef<VUSB>, VUSB> _vusb = new ChangeableDictionary<XenRef<VUSB>, VUSB>();
|
|
|
|
#pragma warning restore 0414
|
|
|
|
private bool foldersChanged;
|
|
private bool dockerContainersChanged;
|
|
private readonly Dictionary<Type, IDictionary> dictionaries = new Dictionary<Type, IDictionary>();
|
|
|
|
public Cache()
|
|
{
|
|
foreach (FieldInfo f in GetType().GetFields(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.NonPublic))
|
|
{
|
|
if (f.FieldType.Name.StartsWith("ChangeableDictionary"))
|
|
{
|
|
dictionaries.Add(f.FieldType.GetGenericArguments()[0].GetGenericArguments()[0],
|
|
(IDictionary)f.GetValue(this));
|
|
}
|
|
}
|
|
}
|
|
|
|
#region Properties
|
|
|
|
public Bond[] Bonds => contents(_bond);
|
|
|
|
public Certificate[] Certificates => contents(_certificates);
|
|
|
|
public Cluster[] Clusters => contents(_cluster);
|
|
|
|
public Cluster_host[] Cluster_hosts => contents(_cluster_host);
|
|
|
|
public DockerContainer[] DockerContainers => contents(_dockerContainers);
|
|
|
|
public Feature[] Features => contents(_feature);
|
|
|
|
public Folder[] Folders => contents(_folders);
|
|
|
|
public GPU_group[] GPU_groups => contents(_gpu_groups);
|
|
|
|
public Host[] Hosts => contents(_host);
|
|
|
|
public Host_cpu[] Host_cpus => contents(_host_cpu);
|
|
|
|
public int HostCount => _host.Count;
|
|
|
|
public Message[] Messages => contents(_message);
|
|
|
|
public XenAPI.Network[] Networks => contents(_network);
|
|
|
|
public Network_sriov[] Network_sriov => contents(_network_sriov);
|
|
|
|
public PBD[] PBDs => contents(_pbd);
|
|
|
|
public PCI[] PCIs => contents(_pcis);
|
|
|
|
public PGPU[] PGPUs => contents(_pgpu);
|
|
|
|
public PIF[] PIFs => contents(_pif);
|
|
|
|
public Pool[] Pools => contents(_pool);
|
|
|
|
public Pool_patch[] Pool_patches => contents(_pool_patch);
|
|
|
|
public Pool_update[] Pool_updates => contents(_pool_update);
|
|
|
|
public PUSB[] PUSBs => contents(_pusb);
|
|
|
|
public PVS_cache_storage[] PVS_cache_storages => contents(_pvs_cache_storage);
|
|
|
|
public PVS_proxy[] PVS_proxies => contents(_pvs_proxy);
|
|
|
|
public PVS_server[] PVS_servers => contents(_pvs_server);
|
|
|
|
public PVS_site[] PVS_sites => contents(_pvs_site);
|
|
|
|
public Repository[] Repositories => contents(_repositories);
|
|
|
|
public Role[] Roles => contents(_role);
|
|
|
|
public SM[] SMs => contents(_sm);
|
|
|
|
public SR[] SRs => contents(_sr);
|
|
|
|
public Subject[] Subjects => contents(_subject);
|
|
|
|
public Tunnel[] Tunnels => contents(_tunnel);
|
|
|
|
public USB_group[] USB_groups => contents(_usb_group);
|
|
|
|
public VBD[] VBDs => contents(_vbd);
|
|
|
|
public VDI[] VDIs => contents(_vdi);
|
|
|
|
public VGPU[] VGPUs => contents(_vgpu);
|
|
|
|
public VGPU_type[] VGPU_types => contents(_vgpu_types);
|
|
|
|
public VIF[] VIFs => contents(_vif);
|
|
|
|
public VM[] VMs => contents(_vm);
|
|
|
|
public VM_appliance[] VM_appliances => contents(_vm_appliance);
|
|
|
|
public VMSS[] VMSSs => contents(_vmss);
|
|
|
|
public VTPM[] VTPMs => contents(_vtpms);
|
|
|
|
public VUSB[] VUSBs => contents(_vusb);
|
|
|
|
#endregion
|
|
|
|
private static T[] contents<T>(ChangeableDictionary<XenRef<T>, T> d) where T : XenObject<T>
|
|
{
|
|
lock (d)
|
|
{
|
|
T[] result = new T[d.Values.Count];
|
|
int i = 0;
|
|
foreach (T o in d.Values)
|
|
{
|
|
result[i] = o;
|
|
i++;
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the collection for the given type, or null if no such dictionary is present.
|
|
/// </summary>
|
|
private IDictionary GetCollectionForType(Type t)
|
|
{
|
|
return dictionaries.ContainsKey(t) ? dictionaries[t] : null;
|
|
}
|
|
|
|
public void DeregisterCollectionChanged<T>(CollectionChangeEventHandler h) where T : XenObject<T>
|
|
{
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(typeof(T)) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return;
|
|
|
|
d.CollectionChanged -= h;
|
|
}
|
|
|
|
public void RegisterCollectionChanged<T>(CollectionChangeEventHandler h) where T : XenObject<T>
|
|
{
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(typeof(T)) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return;
|
|
|
|
d.CollectionChanged -= h;
|
|
d.CollectionChanged += h;
|
|
}
|
|
|
|
public void DeregisterBatchCollectionChanged<T>(EventHandler h) where T : XenObject<T>
|
|
{
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(typeof(T)) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return;
|
|
|
|
d.BatchCollectionChanged -= h;
|
|
}
|
|
|
|
public void RegisterBatchCollectionChanged<T>(EventHandler h) where T : XenObject<T>
|
|
{
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(typeof(T)) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return;
|
|
|
|
d.BatchCollectionChanged -= h;
|
|
d.BatchCollectionChanged += h;
|
|
}
|
|
|
|
public void AddAll<T>(List<T> l, Predicate<T> p) where T : XenObject<T>
|
|
{
|
|
IDictionary d = GetCollectionForType(typeof(T));
|
|
if (d == null)
|
|
return;
|
|
|
|
lock (d)
|
|
{
|
|
if (p == null)
|
|
foreach (T value in d.Values)
|
|
l.Add(value);
|
|
else
|
|
foreach (T value in d.Values)
|
|
if (p(value))
|
|
l.Add(value);
|
|
}
|
|
}
|
|
|
|
private static MethodInfo ClearMethod = typeof(Cache).GetMethod("Clear_", BindingFlags.NonPublic | BindingFlags.Instance);
|
|
|
|
public void Clear()
|
|
{
|
|
foreach (IDictionary d in dictionaries.Values)
|
|
{
|
|
lock (d)
|
|
{
|
|
object[] args = { d };
|
|
ClearMethod.MakeGenericMethod(APIType(d)).Invoke(this, args);
|
|
}
|
|
|
|
INotifyCollectionChanged d1 = d as INotifyCollectionChanged;
|
|
if (d1 != null)
|
|
d1.OnBatchCollectionChanged();
|
|
}
|
|
}
|
|
|
|
private static MethodInfo UpdateFromMethod = typeof(Cache).GetMethod("UpdateFrom_", BindingFlags.NonPublic | BindingFlags.Instance);
|
|
|
|
/// <returns>true if some changes have been made. This is used to indicate that XenObjectsUpdated should be fired by IXenConnection.</returns>
|
|
public bool UpdateFrom(IXenConnection connection, IList<ObjectChange> changes)
|
|
{
|
|
Dictionary<IDictionary, object> tofire = new Dictionary<IDictionary, object>();
|
|
foreach (ObjectChange o in changes)
|
|
{
|
|
if (IgnoreObjectChange(o))
|
|
continue;
|
|
|
|
IDictionary d = GetCollectionForType(o.type);
|
|
if (d == null)
|
|
continue;
|
|
object[] args = { connection, d, o };
|
|
|
|
UpdateFromMethod.MakeGenericMethod(o.type).Invoke(this, args);
|
|
|
|
tofire[d] = null;
|
|
}
|
|
|
|
bool result = false;
|
|
foreach (IDictionary d in tofire.Keys)
|
|
{
|
|
INotifyCollectionChanged n = d as INotifyCollectionChanged;
|
|
if (n != null)
|
|
n.OnBatchCollectionChanged();
|
|
result = true;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// For performance reasons, we ignore some events. These are:
|
|
/// 1. The heartbeat event from xapi, which is a "change" on the pool object, but where the object doesn't actually change.
|
|
/// 2. Tasks that are frequent and which we don't care about, like SR.scan.
|
|
/// 3. Changes on SR that only toggle current_operations. These happen at the same time as the
|
|
/// periodic SR.scan.
|
|
/// </summary>
|
|
private bool IgnoreObjectChange(ObjectChange obj)
|
|
{
|
|
if (obj.value == null)
|
|
{
|
|
// Object is being deleted. Never ignore these!
|
|
return false;
|
|
}
|
|
else if (obj.type == typeof(Task))
|
|
{
|
|
Task task = (Task)obj.value;
|
|
return task.IgnoreInCacheUpdate();
|
|
}
|
|
else if (obj.type == typeof(Pool))
|
|
{
|
|
Pool newPool = (Pool)obj.value;
|
|
Pool oldPool = Resolve(new XenRef<Pool>(obj.xenref));
|
|
return oldPool != null && newPool.DeepEquals(oldPool, false); //We do want to see changes in the Pool.current_operations.
|
|
}
|
|
else if (obj.type == typeof(SR))
|
|
{
|
|
SR newSR = (SR)obj.value;
|
|
SR oldSR = Resolve(new XenRef<SR>(obj.xenref));
|
|
return oldSR != null && newSR.DeepEquals(oldSR, true);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public T Find_By_Uuid<T>(string uuid) where T : XenObject<T>
|
|
{
|
|
Type t = typeof(T);
|
|
PropertyInfo p = t.GetProperty("uuid", BindingFlags.Public | BindingFlags.Instance);
|
|
if (p == null)
|
|
return null;
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(t) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return null;
|
|
lock (d)
|
|
{
|
|
foreach (T m in d.Values)
|
|
{
|
|
if (string.Equals((string)p.GetValue(m, null), uuid, StringComparison.OrdinalIgnoreCase))
|
|
return m;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Find a XenRef corresponding to the given XenObject, using its UUID.
|
|
/// Returns null if no such object is found.
|
|
/// </summary>
|
|
public XenRef<T> FindRef<T>(T needle) where T : XenObject<T>
|
|
{
|
|
Type t = typeof(T);
|
|
PropertyInfo p = t.GetProperty("uuid", BindingFlags.Public | BindingFlags.Instance);
|
|
if (p == null)
|
|
return null;
|
|
string uuid = (string)p.GetValue(needle, null);
|
|
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(t) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return null;
|
|
lock (d)
|
|
{
|
|
foreach (KeyValuePair<XenRef<T>, T> kvp in d)
|
|
{
|
|
if (string.Equals((string)p.GetValue(kvp.Value, null), uuid, StringComparison.OrdinalIgnoreCase))
|
|
return kvp.Key;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public bool TryResolve<T>(XenRef<T> xenRef, out T result) where T : XenObject<T>
|
|
{
|
|
result = Resolve(xenRef);
|
|
return result != null;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="xenRef">May be null, in which case null is returned. May not be a null ref.</param>
|
|
/// <returns></returns>
|
|
public T Resolve<T>(XenRef<T> xenRef) where T : XenObject<T>
|
|
{
|
|
if (xenRef == null)
|
|
return null;
|
|
|
|
ChangeableDictionary<XenRef<T>, T> d = GetCollectionForType(typeof(T)) as ChangeableDictionary<XenRef<T>, T>;
|
|
if (d == null)
|
|
return null;
|
|
T result;
|
|
return d.TryGetValue(xenRef, out result) ? result : null;
|
|
}
|
|
|
|
private void Clear_<T>(ChangeableDictionary<XenRef<T>, T> o) where T : XenObject<T>
|
|
{
|
|
// explicitly remove each element so change events are fired
|
|
XenRef<T>[] keys = new XenRef<T>[o.Keys.Count];
|
|
o.Keys.CopyTo(keys, 0);
|
|
foreach (XenRef<T> key in keys)
|
|
{
|
|
lock (o)
|
|
{
|
|
o.Remove(key);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateFrom_<T>(Network.IXenConnection connection, ChangeableDictionary<XenRef<T>, T> target, ObjectChange source) where T : XenObject<T>, new()
|
|
{
|
|
XenRef<T> xenref = source.xenref as XenRef<T>;
|
|
if (xenref == null)
|
|
{
|
|
xenref = new XenRef<T>((string)source.xenref);
|
|
}
|
|
|
|
if (source.value != null)
|
|
{
|
|
T to_update = null;
|
|
lock (target)
|
|
{
|
|
if (!target.TryGetValue(xenref, out to_update))
|
|
{
|
|
// add
|
|
T obj = new T();
|
|
obj.Connection = connection;
|
|
obj.UpdateFrom((T)source.value);
|
|
obj.opaque_ref = xenref.opaque_ref;
|
|
target.Add(xenref, obj);
|
|
}
|
|
}
|
|
|
|
// Update the object that we found above. Note that this needs to be done out of the
|
|
// scope of the lock(target), as UpdateFrom is going to fire events.
|
|
if (to_update != null)
|
|
to_update.UpdateFrom((T)source.value);
|
|
}
|
|
else
|
|
{
|
|
// delete the source object from our model
|
|
lock (target)
|
|
{
|
|
target.Remove(xenref);
|
|
}
|
|
}
|
|
}
|
|
|
|
private Type APIType(IDictionary d)
|
|
{
|
|
return d.GetType().GetGenericArguments()[1];
|
|
}
|
|
|
|
public void AddFolder(XenRef<Folder> path, Folder folder)
|
|
{
|
|
_folders[path] = folder;
|
|
foldersChanged = true;
|
|
}
|
|
|
|
public void RemoveFolder(XenRef<Folder> path)
|
|
{
|
|
lock (_folders)
|
|
{
|
|
_folders.Remove(path);
|
|
}
|
|
foldersChanged = true;
|
|
}
|
|
|
|
public void CheckFoldersBatchChange()
|
|
{
|
|
if (foldersChanged)
|
|
{
|
|
foldersChanged = false;
|
|
_folders.OnBatchCollectionChanged();
|
|
}
|
|
}
|
|
|
|
public void CheckDockerContainersBatchChange()
|
|
{
|
|
if (dockerContainersChanged)
|
|
{
|
|
dockerContainersChanged = false;
|
|
_dockerContainers.OnBatchCollectionChanged();
|
|
}
|
|
}
|
|
|
|
public void UpdateDockerContainersForVM(IList<DockerContainer> containers, VM vm)
|
|
{
|
|
Trace.Assert(vm != null);
|
|
|
|
//updating existing, adding new containers
|
|
dockerContainersChanged = dockerContainersChanged || containers.Count > 0;
|
|
foreach (var c in containers)
|
|
{
|
|
_dockerContainers[new XenRef<DockerContainer>(c)] = c;
|
|
}
|
|
|
|
List<KeyValuePair<XenRef<DockerContainer>, DockerContainer>> containersGoneFromThisVM = null;
|
|
//removing the ones that are not there anymore on this VM
|
|
lock (_dockerContainers)
|
|
{
|
|
containersGoneFromThisVM = _dockerContainers.Where(c => c.Value != null && c.Value.Parent.uuid == vm.uuid && !containers.Any(cont => cont.uuid == c.Value.uuid)).ToList();
|
|
dockerContainersChanged = dockerContainersChanged || containersGoneFromThisVM.Count > 0;
|
|
foreach (var c in containersGoneFromThisVM)
|
|
{
|
|
_dockerContainers.Remove(new XenRef<DockerContainer>(c.Value));
|
|
}
|
|
}
|
|
}
|
|
|
|
public IEnumerable<IXenObject> XenSearchableObjects
|
|
{
|
|
get
|
|
{
|
|
foreach (IXenObject o in VMs)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in VM_appliances)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in Hosts)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in SRs)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in Networks)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in VDIs)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in Folders)
|
|
yield return o;
|
|
|
|
foreach (IXenObject o in DockerContainers)
|
|
yield return o;
|
|
|
|
foreach (Pool pool in Pools)
|
|
{
|
|
if (pool != null && pool.IsVisible())
|
|
{
|
|
yield return pool;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|