使用ConfigurationManager加載System.ServiceModel配置節

Question

使用C＃.NET 3.5和WCF，我試圖在客戶端應用程序中寫出一些WCF配置（客戶端連接到的服務器的名稱）。

顯而易見的方法是使用ConfigurationManager加載配置部分並寫出我需要的數據。

var serviceModelSection = ConfigurationManager.GetSection("system.serviceModel");

似乎總是返回null。

var serviceModelSection = ConfigurationManager.GetSection("appSettings");

完美的工作。

配置部分存在於App.config中，但由於某種原因， ConfigurationManager拒絕加載system.ServiceModel部分。

我想避免手動加載xxx.exe.config文件並使用XPath，但如果我不得不求助於我。 看起來有點像黑客。

有什么建議？

Answer 1

http://mostlytech.blogspot.com/2007/11/programmatically-enumerate-wcf.html

// Automagically find all client endpoints defined in app.config
ClientSection clientSection = 
    ConfigurationManager.GetSection("system.serviceModel/client") as ClientSection;

ChannelEndpointElementCollection endpointCollection =
    clientSection.ElementInformation.Properties[string.Empty].Value as     ChannelEndpointElementCollection;
List<string> endpointNames = new List<string>();
foreach (ChannelEndpointElement endpointElement in endpointCollection)
{
    endpointNames.Add(endpointElement.Name);
}
// use endpointNames somehow ...

似乎運作良好。

Answer 2

<system.serviceModel>元素用於配置節組 ，而不是節。 您需要使用System.ServiceModel.Configuration.ServiceModelSectionGroup.GetSectionGroup()來獲取整個組。

Answer 3

這是我正在尋找的感謝@marxidad的指針。

    public static string GetServerName()
    {
        string serverName = "Unknown";

        Configuration appConfig = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
        ServiceModelSectionGroup serviceModel = ServiceModelSectionGroup.GetSectionGroup(appConfig);
        BindingsSection bindings = serviceModel.Bindings;

        ChannelEndpointElementCollection endpoints = serviceModel.Client.Endpoints;

        for(int i=0; i<endpoints.Count; i++)
        {
            ChannelEndpointElement endpointElement = endpoints[i];
            if (endpointElement.Contract == "MyContractName")
            {
                serverName = endpointElement.Address.Host;
            }
        }

        return serverName;
    }

Answer 4

GetSectionGroup（）不支持任何參數（在框架3.5下）。

而是使用：

Configuration config = System.Configuration.ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
ServiceModelSectionGroup group = System.ServiceModel.Configuration.ServiceModelSectionGroup.GetSectionGroup(config);

Answer 5

感謝其他海報，這是我開發的用於獲取命名端點的URI的函數。 它還會創建正在使用的端點列表以及調試時使用的實際配置文件：

Private Function GetEndpointAddress(name As String) As String
    Debug.Print("--- GetEndpointAddress ---")
    Dim address As String = "Unknown"
    Dim appConfig As Configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None)
    Debug.Print("app.config: " & appConfig.FilePath)
    Dim serviceModel As ServiceModelSectionGroup = ServiceModelSectionGroup.GetSectionGroup(appConfig)
    Dim bindings As BindingsSection = serviceModel.Bindings
    Dim endpoints As ChannelEndpointElementCollection = serviceModel.Client.Endpoints
    For i As Integer = 0 To endpoints.Count - 1
        Dim endpoint As ChannelEndpointElement = endpoints(i)
        Debug.Print("Endpoint: " & endpoint.Name & " - " & endpoint.Address.ToString)
        If endpoint.Name = name Then
            address = endpoint.Address.ToString
        End If
    Next
    Debug.Print("--- GetEndpointAddress ---")
    Return address
End Function