2005-01-31 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / mcs / class / corlib / System.Runtime.Remoting.Lifetime / LeaseSink.cs
1 //
2 // System.Runtime.Remoting.LeaseSink.cs
3 //
4 // Author: Lluis Sanchez Gual (lluis@ideary.com)
5 //
6 // (C) 2002, Lluis Sanchez Gual
7 //
8
9 //
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
11 //
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
19 // 
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
22 // 
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 //
31
32 using System;
33 using System.Runtime.Remoting.Messaging;
34
35 namespace System.Runtime.Remoting.Lifetime
36 {
37         // This sink updates lifetime information
38         // about an object
39
40         internal class LeaseSink: IMessageSink
41         {
42                 IMessageSink _nextSink;
43
44                 public LeaseSink (IMessageSink nextSink)
45                 {
46                         _nextSink = nextSink;
47                 }
48
49                 public IMessage SyncProcessMessage (IMessage msg)
50                 {
51                         RenewLease (msg);
52                         return _nextSink.SyncProcessMessage (msg);
53                 }
54
55                 public IMessageCtrl AsyncProcessMessage (IMessage msg, IMessageSink replySink)
56                 {
57                         RenewLease (msg);
58                         return _nextSink.AsyncProcessMessage (msg, replySink);
59                 }
60
61                 void RenewLease (IMessage msg)
62                 {
63                         ServerIdentity identity = (ServerIdentity) RemotingServices.GetMessageTargetIdentity (msg);
64
65                         ILease lease = identity.Lease;
66                         if (lease != null && lease.CurrentLeaseTime < lease.RenewOnCallTime)
67                                 lease.Renew (lease.RenewOnCallTime);
68                 }
69
70                 public IMessageSink NextSink 
71                 { 
72                         get { return _nextSink; }
73                 }
74         }
75 }