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c# - WCF ConcurrencyMode 多个不工作

转载 作者:行者123 更新时间:2023-11-30 16:52:53 26 4
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我阅读了很多关于 wcf 并发和实例上下文模式的文章,我也阅读了有关它的 CodeProject 文章,但仍然无法让它工作。

这是我的客户端代码(如果你问我为什么要使用实例上下文,那是因为我最终会测试回调,但我还没有,只是尝试同时多次执行简单的请求/响应)

    public void Run()
{
InstanceContext context = new InstanceContext(this);
MyServiceReference.MyService service = new MyServiceReference.MyService(context);

for (int i = 0; i < 10; i++)
{
int j = i;
Thread t = new Thread(() => myFun((j + 1), service));
t.Start();
}
countdownEvent.Wait();

Console.ReadLine();
service.Close();
}

private void myFun(int threadNo, MyServiceReference.MyServiceClient service)
{
Console.WriteLine(service.GetData1(threadNo));
countdownEvent.Signal();
}

这是服务代码:

[ServiceContract(CallbackContract = typeof(IMyServiceCallback))]
public interface IMyService
{
[OperationContract]
string GetData1(int value);
}

public interface IMyServiceCallback
{
[OperationContract]
string GetData2(int value);
}

[ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple, UseSynchronizationContext=false)]
public class MyService : IMyService
{

public string GetData1(int value)
{
reponse = DateTime.Now.ToString();

Thread.Sleep(5000);

return "Request: " + value + ", Thread id: " + Thread.CurrentThread.ManagedThreadId + ", response: " + reponse;
}

这是输出:

Request: 1, Thread id: 9, response: 2015-08-14 11:39:42
Request: 2, Thread id: 10, response: 2015-08-14 11:39:47
Request: 3, Thread id: 8, response: 2015-08-14 11:39:52
Request: 4, Thread id: 9, response: 2015-08-14 11:39:57
Request: 5, Thread id: 10, response: 2015-08-14 11:40:02
Request: 6, Thread id: 9, response: 2015-08-14 11:40:07
Request: 7, Thread id: 10, response: 2015-08-14 11:40:12
Request: 8, Thread id: 9, response: 2015-08-14 11:40:17
Request: 9, Thread id: 10, response: 2015-08-14 11:40:22
Request: 10, Thread id: 9, response: 2015-08-14 11:40:27

我希望将 ConcurrencyMode 设置为多个将使请求通过使用多个线程同时运行,但即使我看到使用了 3 个线程,操作仍然按顺序执行(每个响应之间 5 秒),我错过了什么?

我看到的每个示例都在使用带有 void return 和 IsOneWay=True 的操作,这就是它对我不起作用的原因吗?但是,我在客户端上为每个请求使用不同的线程,因此所有请求都应该同时完成,即使每个线程都在等待自己的响应。

我在调试中运行 WCF 服务主机和 NetTcpBinding,在调试中运行会影响并发吗?

最佳答案

尝试将您的服务标记为 InstanceContextMode.PerCall:

[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Multiple, UseSynchronizationContext=false)]
public class MyService : IMyService

关于c# - WCF ConcurrencyMode 多个不工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32014305/

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