C＃：如何以编程方式检查Web服务的启动和运行？ [英] C#: How to programmatically check a web service is up and running?

问题描述

我需要创建一个C＃应用程序，将监视一组Web服务是否正常运行。用户会从下拉列表中选择一个服务名称。该项目需要测试与相应的服务URL，并显示该服务是否正在运行。什么是做到这一点的最好方法是什么？我想到的一个方法是检验我们是否能够下载WSDL。有没有更好的办法？

请注意：本应用程序的目的在于，用户只需要知道的服务名。他不一定记得/存储服务的相应的URL。

我需要一个网站版本，此C＃应用程序的桌面应用程序版本。

注：现有的服务使用WCF。但是，在未来的一个非WCF服务可能会增加。

注：我的计划不会知道（或不感兴趣）业务服务。所以我不能调用服务操作。

参考

1. <一个href="http://stackoverflow.com/questions/10206951/how-to-check-if-a-web-service-is-up-and-running-without-using-ping">How检查Web服务是建立和运行，而不使用ping？
2. <一个href="http://stackoverflow.com/questions/6077392/c-program-how-do-i-check-if-a-web-service-is-running">C程序 - 如何检查，如果一个Web服务运行

解决方案

这并不能保证功能，但至少你可以检查到一个网址：

  VAR URL =htt​​p://url.to.che.ck/serviceEndpoint.svc;

        尝试
        {
            VAR myRequest =（HttpWebRequest的）WebRequest.Create（URL）;

            变种响应=（HttpWebResponse）myRequest.GetResponse（）;

            如果（response.Status code ==的HTTPStatus code.OK）
            {
                //它至少以某种方式响应
                //但可以内部破
                //因为你会发现，如果你叫的方法，真正的
                Debug.Write（的String.Format（{0}可用，网址））;
            }
            其他
            {
                //好，至少它回来...
                Debug.Write（的String.Format（{0}回来了，但状态：{1}，网址，response.StatusDescription））;
            }
        }
        赶上（例外前）
        {
            //无法为所有，出于某种原因
            Debug.Write（的String.Format（{0}无效：{1}，网址，ex.Message））;
        }
 

I need to create an C# application that will monitor whether a set of web services are up and running. User will select a service name from a dropdown. The program need to test with the corresponding service URL and show whether the service is running. What is the best way to do it? One way I am thinking of is to test whether we are able to download the wsdl. IS there a better way?

Note: The purpose of this application is that the user need to know only the service name. He need not remember/store the corresponding URL of the service.

I need a website version and a desktop application version of this C# application.

Note: Existing services are using WCF. But in future a non-WCF service may get added.

Note: My program will not be aware of (or not interested in ) operations in the service. So I cannot call a service operation.

REFERENCE

1. How to check if a web service is up and running without using ping?
2. C program-How do I check if a web service is running

解决方案

this would not guarantee functionality, but at least you could check connectivity to a URL:

        var url = "http://url.to.che.ck/serviceEndpoint.svc";

        try
        {
            var myRequest = (HttpWebRequest)WebRequest.Create(url);

            var response = (HttpWebResponse)myRequest.GetResponse();

            if (response.StatusCode == HttpStatusCode.OK)
            {
                //  it's at least in some way responsive
                //  but may be internally broken
                //  as you could find out if you called one of the methods for real
                Debug.Write(string.Format("{0} Available", url));
            }
            else
            {
                //  well, at least it returned...
                Debug.Write(string.Format("{0} Returned, but with status: {1}", url, response.StatusDescription));
            }
        }
        catch (Exception ex)
        {
            //  not available at all, for some reason
            Debug.Write(string.Format("{0} unavailable: {1}", url, ex.Message));
        }

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