化零为整WCF(13) - 并发控制(锁)(Mutex, Semaphore, Monitor, Lock, ThreadPool, Interlocked, ReaderWriterLock)

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化零为整WCF(13) - 并发控制(锁)(Mutex, Semaphore, Monitor, Lock, ThreadPool, Interlocked, ReaderWriterLock)

作者：webabcd


介绍
WCF(Windows Communication Foundation) - 并发控制：以ConcurrencyMode.Multiple并发模式及InstanceContextMode.Single实例模型为例（此时有并发问题），介绍如何做并发控制，即各种锁的使用（Mutex, Semaphore, Monitor, Lock, ThreadPool, Interlocked, ReaderWriterLock）


示例
1、服务
Enum.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.ServiceModel;
using System.Runtime.Serialization;

namespace WCF.ServiceLib.ConcurrencyLock

IHello.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.ServiceModel;

namespace WCF.ServiceLib.ConcurrencyLock

Hello.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.ServiceModel;

namespace WCF.ServiceLib.ConcurrencyLock

2、宿主
Hello.svc

%>

Web.config

<?xml version="1.0"?>
<configuration>
    <system.serviceModel>
        <behaviors>
            <serviceBehaviors>
                <behavior name="ConcurrencyLockBehavior">
                    <!--httpGetEnabled - 指示是否发布服务元数据以便使用 HTTP/GET 请求进行检索，如果发布 WSDL，则为 true，否则为 false，默认值为 false-->
                    <serviceMetadata httpGetEnabled="true" />
                    <serviceDebug includeExceptionDetailInFaults="true"/>
                </behavior>
            </serviceBehaviors>
        </behaviors>
        <services>
            <!--name - 提供服务的类名-->
            <!--behaviorConfiguration - 指定相关的行为配置-->
            <service name="WCF.ServiceLib.ConcurrencyLock.Hello" behaviorConfiguration="ConcurrencyLockBehavior">
                <!--address - 服务地址-->
                <!--binding - 通信方式-->
                <!--contract - 服务契约-->
                <endpoint address="" binding="basicHttpBinding" contract="WCF.ServiceLib.ConcurrencyLock.IHello" />
            </service>
        </services>
    </system.serviceModel>
</configuration>

3、客户端
Hello.aspx

Hello.aspx.cs

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using System.Threading;

public partial class ConcurrencyLock_Hello : System.Web.UI.Page

Web.config

<?xml version="1.0"?>
<configuration>
    <system.serviceModel>
        <client>
            <!--address - 服务地址-->
            <!--binding - 通信方式-->
            <!--contract - 服务契约-->
            <endpoint address="http://localhost:3502/ServiceHost/ConcurrencyLock/Hello.svc" binding="basicHttpBinding" contract="ConcurrencyLockSvc.IHello" />
        </client>
    </system.serviceModel>
</configuration>

运行结果：
单击"HelloNone"按钮：不使用并发控制（有并发问题，会出现重复的计数）
单击"HelloMutex", "HelloSemaphore", "HelloMonitor", "HelloLock"按钮：使用相应的并发控制（无并发问题，不会出现重复的计数）


OK
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