我已经迈出了使用WCF开发WINDOWS服务托管计算引擎的第一步。该服务工作的很好,但它似乎只使用一个线程为我所有的电话,但我需要它是可扩展的,并使用多线程。自托管的WCF服务:ConcurrencyMode.Multiple但仅使用一个线程?
忽略代码中的所有跟踪等,因为它是这个应用程序的非常早期的阶段。
它调用一些在服务启动时将信息读入内存的第三方软件(ThirdParty.Initialise(strInit)),然后每次调用ProcessInformation都会返回给定XML字符串的计算结果。
到目前为止,无论我设置ServiceBehavior atts以及无论使用多少独立的消费者,所有调用都只使用一个线程 - 任何人都可以提供帮助吗?
代码概述:
[ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple, InstanceContextMode = InstanceContextMode.PerCall, UseSynchronizationContext = false)]
public class TestWCFService : ITestWCFService
{
private static ThirdPartyLib.ThirdPartyComClass ThirdParty;
private static bool initCalled = false;
private static int cntInit = 0;
private static int cntTrans = 0;
public TestWCFService()
{
if (ThirdParty == null)
{
ThirdParty = new ThirdPartyLib.ThirdPartyComClass();
}
}
public bool InitialiseThirdParty(string strInit, out string strError)
{
try
{
if (!initCalled)
{
cntInit++;
ThirdParty.Initialise(strInit);
initCalled = true;
}
strError = "Call Num " + cntInit;
return true;
}
catch (Exception ex)
{
strError = "ThirdParty.Initialise exception " + ex.Message + " 0n call number " + cntInit;
return false;
}
}
public bool ProcessInformation(string strRequestXML, int quoteMarker, out string strResponseXML, out string strError, out int quoteMarkerReturned)
{
try
{
cntTrans++;
quoteMarkerReturned = quoteMarker;
ThirdParty.ProcessInformation(strRequestXML, out strResponseXML);
strError = "Call Trans Num " + cntTrans;
return true;
}
catch (Exception ex)
{
strError = ex.Message + " On call trans num " + cntTrans;
strResponseXML = "Error";
quoteMarkerReturned = quoteMarker;
return false;
}
}
}
配置:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.web>
<compilation debug="true" />
</system.web>
<system.serviceModel>
<bindings>
<wsHttpBinding>
<binding name="TestServiceBinding" bypassProxyOnLocal="true"
useDefaultWebProxy="false">
<readerQuotas maxDepth="524288" maxStringContentLength="524288"
maxArrayLength="524288" maxBytesPerRead="524288" maxNameTableCharCount="524288" />
<reliableSession inactivityTimeout="00:30:00" enabled="true" />
</binding>
</wsHttpBinding>
<mexHttpBinding>
<binding name="MEXTestServiceBinding" openTimeout="00:02:00"
sendTimeout="00:02:00" />
</mexHttpBinding>
</bindings>
<services>
<service behaviorConfiguration="TestWcfServiceLibrary.TestWCFServiceBehavior"
name="TestWcfServiceLibrary.TestWCFService">
<endpoint address="" binding="wsHttpBinding" bindingConfiguration="TestServiceBinding"
name="" contract="TestWcfServiceLibrary.ITestWCFService">
<identity>
<dns value="localhost" />
</identity>
</endpoint>
<endpoint address="mex" binding="mexHttpBinding" bindingConfiguration="MEXTestServiceBinding"
contract="IMetadataExchange" />
<host>
<baseAddresses>
<add baseAddress="http://localhost:8731/Design_Time_Addresses/TestWcfServiceLibrary/TestWCFService/" />
</baseAddresses>
</host>
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name="TestWcfServiceLibrary.TestWCFServiceBehavior">
<serviceMetadata httpGetEnabled="True"/>
<serviceThrottling maxConcurrentCalls="100" maxConcurrentSessions="100" maxConcurrentInstances="100"/>
<serviceDebug includeExceptionDetailInFaults="False" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
</configuration>
你怎么知道只有一个线程被使用?我猜想你的第三方COM组件是Apartment线程,因此具有线程关联性,所以无论服务实现使用多少.NET线程,它们都必须排队以使用唯一的STA线程能够调用COM对象。 – 2012-07-31 12:32:13