1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Diagnostics;
using System.Runtime;
using System.ServiceModel;
// Pool of channels used by OneWayChannelFactories
class ChannelPool<TChannel> : IdlingCommunicationPool<ChannelPoolKey, TChannel>
where TChannel : class, IChannel
{
static AsyncCallback onCloseComplete = Fx.ThunkCallback(new AsyncCallback(OnCloseComplete));
public ChannelPool(ChannelPoolSettings settings)
: base(settings.MaxOutboundChannelsPerEndpoint, settings.IdleTimeout, settings.LeaseTimeout)
{
}
protected override void AbortItem(TChannel item)
{
item.Abort();
}
protected override void CloseItem(TChannel item, TimeSpan timeout)
{
item.Close(timeout);
}
protected override void CloseItemAsync(TChannel item, TimeSpan timeout)
{
bool succeeded = false;
try
{
IAsyncResult result = item.BeginClose(timeout, onCloseComplete, item);
if (result.CompletedSynchronously)
{
item.EndClose(result);
}
succeeded = true;
}
finally
{
if (!succeeded)
{
item.Abort();
}
}
}
protected override ChannelPoolKey GetPoolKey(EndpointAddress address, Uri via)
{
return new ChannelPoolKey(address, via);
}
static void OnCloseComplete(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
TChannel item = (TChannel)result.AsyncState;
bool succeeded = false;
try
{
item.EndClose(result);
succeeded = true;
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
DiagnosticUtility.TraceHandledException(e, TraceEventType.Warning);
}
finally
{
if (!succeeded)
{
item.Abort();
}
}
}
}
class ChannelPoolKey : IEquatable<ChannelPoolKey>
{
EndpointAddress address;
Uri via;
public ChannelPoolKey(EndpointAddress address, Uri via)
{
this.address = address;
this.via = via;
}
public override int GetHashCode()
{
return address.GetHashCode() + via.GetHashCode();
}
public bool Equals(ChannelPoolKey other)
{
return address.EndpointEquals(other.address) && via.Equals(other.via);
}
}
}
|
