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
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System.ServiceModel.Channels;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.Collections.ObjectModel;
using System.Collections.Generic;
[ObsoleteAttribute ("PeerChannel feature is obsolete and will be removed in the future.", false)]
class PeerValidationBehavior : IEndpointBehavior, IServiceBehavior
{
public static PeerValidationBehavior Instance
{
get
{
if (instance == null)
instance = new PeerValidationBehavior();
return instance;
}
}
static PeerValidationBehavior instance;
PeerValidationBehavior() { }
static bool IsRequestReplyContract(ContractDescription contract)
{
bool requestReply = false;
foreach (OperationDescription operation in contract.Operations)
{
if (operation.Messages.Count > 1) // Request-reply
{
requestReply = true;
break;
}
}
return requestReply;
}
void IEndpointBehavior.Validate(ServiceEndpoint serviceEndpoint)
{
if (serviceEndpoint == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceEndpoint");
ContractDescription contract = serviceEndpoint.Contract;
Binding binding = serviceEndpoint.Binding;
ValidateHelper(contract, binding);
}
void IEndpointBehavior.AddBindingParameters(ServiceEndpoint serviceEndpoint, BindingParameterCollection bindingParameters)
{
}
void IEndpointBehavior.ApplyDispatchBehavior(ServiceEndpoint serviceEndpoint, EndpointDispatcher endpointDispatcher)
{
}
void IEndpointBehavior.ApplyClientBehavior(ServiceEndpoint serviceEndpoint, ClientRuntime behavior)
{
}
void IServiceBehavior.AddBindingParameters(ServiceDescription description, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection parameters)
{
}
void IServiceBehavior.ApplyDispatchBehavior(ServiceDescription description, ServiceHostBase serviceHostBase)
{
}
void IServiceBehavior.Validate(ServiceDescription description, ServiceHostBase serviceHostBase)
{
if (description == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
for (int i = 0; i < description.Endpoints.Count; i++)
{
ServiceEndpoint endpoint = description.Endpoints[i];
ValidateHelper(endpoint.Contract, endpoint.Binding);
}
}
// SM doesn't support request-reply message pattern over multi-point channels correctly, so, disabling
// request-reply for NetPeerTcpBinding. (Advanced users may find a way to implement request-reply over
// a CustomBinding that includes PeerTransportBE.)
void ValidateHelper(ContractDescription contract, Binding binding)
{
if (binding is NetPeerTcpBinding && IsRequestReplyContract(contract))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.BindingDoesnTSupportRequestReplyButContract1, binding.Name)));
}
}
}
}
|
