108 lines
2.7 KiB
C#
108 lines
2.7 KiB
C#
//
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// System.Runtime.Remoting.Identity.cs
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//
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// Author: Lluis Sanchez Gual (lluis@ideary.com)
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//
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// (C) 2003, Lluis Sanchez Gual
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Threading;
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using System.Collections;
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using System.Runtime.Remoting;
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namespace System.Runtime.Remoting.Lifetime
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{
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internal class LeaseManager
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{
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ArrayList _objects = new ArrayList();
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Timer _timer = null;
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public void SetPollTime (TimeSpan timeSpan)
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{
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lock (_objects.SyncRoot)
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{
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if (_timer != null)
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_timer.Change (timeSpan,timeSpan);
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}
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}
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public void TrackLifetime (ServerIdentity identity)
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{
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lock (_objects.SyncRoot)
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{
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identity.Lease.Activate();
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_objects.Add (identity);
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if (_timer == null) StartManager();
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}
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}
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public void StopTrackingLifetime (ServerIdentity identity)
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{
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lock (_objects.SyncRoot)
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{
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_objects.Remove (identity);
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}
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}
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public void StartManager()
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{
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_timer = new Timer (new TimerCallback (ManageLeases), null, LifetimeServices.LeaseManagerPollTime,LifetimeServices.LeaseManagerPollTime);
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}
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public void StopManager()
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{
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Timer t = _timer;
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_timer = null;
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if (t != null) t.Dispose();
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}
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public void ManageLeases(object state)
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{
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lock (_objects.SyncRoot)
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{
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int n=0;
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while (n < _objects.Count)
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{
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ServerIdentity ident = (ServerIdentity)_objects[n];
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ident.Lease.UpdateState();
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if (ident.Lease.CurrentState == LeaseState.Expired)
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{
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_objects.RemoveAt (n);
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ident.OnLifetimeExpired ();
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}
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else
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n++;
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}
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if (_objects.Count == 0)
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StopManager();
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}
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}
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}
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}
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