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WCF服务重构实录(下)

2011-04-07 11:34 169 查看
前两篇写了在IIS7下部署SVC文件引导WCF服务,采用了net.tcp文件,但是实际的开发中,由于项目的架构已经确定,不宜做大的改动,且为了试项目组成员开发方便,我们之前的项目架构是这样的:





主体是WebHost,这是用来托管WCF服务的,放弃了ConsoleHost,那么现在的问题是能不能仅仅通过配置文件来托管服务,不必通过SVC文件的连接呢,MSDN上给出了一个很好的解决方案:http://msdn.microsoft.com/zh-cn/library/ee816902(en-us,VS.100).aspx

主要使用的是一个配置元素<serviceActivations>,MSDN给出的说明是:

一个配置元素,用于添加可定义虚拟服务激活设置(映射到 Windows Communication Foundation (WCF) 服务类型)的设置。使用此配置元素可以在不使用 .svc 文件的情况下激活承载在 WAS/IIS 中的服务。

主要语法是:

<
servicehostingenvironment
>
<
serviceactivations
>
<
add
service
=
"String"
factory
=
"String"
>
</
add
></
serviceactivations
>
</
servicehostingenvironment
>
那么有了这个好组件,我们就拿来改造现有的服务吧。

首先,之前的服务配置是

<
services
>
<
service
name
=
"WCFLib.Add"
behaviorconfiguration
=
"MyBehavior"
>
<
endpoint
bindingconfiguration
=
"netTcpBindConfig"
contract
=
"WCFLib.IAdd"
binding
=
"netTcpBinding"
address
=
""
></
endpoint
>
<
endpoint
contract
=
"IMetadataExchange"
binding
=
"mexTcpBinding"
address
=
"mex"
></
endpoint
>
</
service
>
 
</
services
>
我们为这个配置增加服务激活配置

<
servicehostingenvironment
>
<
serviceactivations
>
<
add
service
=
"WCFLib.Add"
relativeaddress
=
"NewAddService.svc"
>
</
add
></
serviceactivations
>
 
</
servicehostingenvironment
>
来看一下现在完整的配置

<
system.servicemodel
>
 
<
bindings
>
<
nettcpbinding
>
<
binding
name
=
"netTcpBindConfig"
>
 
<
security
mode
=
"None"
>
<
transport
protectionlevel
=
"EncryptAndSign"
clientcredentialtype
=
"Windows"
>
<
message
clientcredentialtype
=
"Windows"
>
 
</
message
></
transport
></
security
>
</
binding
>
</
nettcpbinding
>
 
</
bindings
>
 
<
servicehostingenvironment
>
<
serviceactivations
>
<
add
service
=
"WCFLib.Add"
relativeaddress
=
"NewAddService.svc"
>
</
add
></
serviceactivations
>
 
</
servicehostingenvironment
>
 
<
services
>
<
service
name
=
"WCFLib.Add"
behaviorconfiguration
=
"MyBehavior"
>
<
endpoint
bindingconfiguration
=
"netTcpBindConfig"
contract
=
"WCFLib.IAdd"
binding
=
"netTcpBinding"
address
=
""
></
endpoint
>
<
endpoint
contract
=
"IMetadataExchange"
binding
=
"mexTcpBinding"
address
=
"mex"
></
endpoint
>
</
service
>
 
</
services
>
 
<
behaviors
>
<
servicebehaviors
>
<
behavior
name
=
"MyBehavior"
>
 
<
servicethrottling
maxconcurrentsessions
=
"1000"
maxconcurrentinstances
=
"1000"
maxconcurrentcalls
=
"1000"
>
 
<
servicemetadata
httpgetenabled
=
"true"
>
 
<
servicedebug
includeexceptiondetailinfaults
=
"true"
>
 
<
datacontractserializer
maxitemsinobjectgraph
=
"6553600"
>
</
datacontractserializer
></
servicedebug
></
servicemetadata
></
servicethrottling
></
behavior
>
</
servicebehaviors
>
 
</
behaviors
>
</
system.servicemodel
>
删除SVC文件后的目录是这样的





那么怎么使用这个没有SVC文件的WCF服务呢,很简单,我们只要认为有这个服务就可以了,删除之前的Client中的引用,我们重新添加引用一下





再运行一下试试看



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