Question

我有一个服务的动态客户端。如何更改其端点绑定的ReaderQuotas属性？

我试过这样但是它不起作用......

 DynamicProxyFactory factory = new DynamicProxyFactory(m_serviceWsdlUri);

 foreach (ServiceEndpoint endpoint in factory.Endpoints)
 {
     Binding binding =  endpoint.Binding;

     binding.GetProperty<XmlDictionaryReaderQuotas>(new BindingParameterCollection()).MaxArrayLength = 2147483647
     binding.GetProperty<XmlDictionaryReaderQuotas>(new BindingParameterCollection()).MaxBytesPerRead =2147483647;
     binding.GetProperty<XmlDictionaryReaderQuotas>(new BindingParameterCollection()).MaxDepth = 2147483647;
     binding.GetProperty<XmlDictionaryReaderQuotas>(new BindingParameterCollection()).MaxNameTableCharCount = 2147483647;
     binding.GetProperty<XmlDictionaryReaderQuotas>(new BindingParameterCollection()).MaxStringContentLength = 2147483647;
   }

即使这样做，ReaderQuotas值仍然是默认值。

我也尝试过这样做但仍然不起作用：

     DynamicProxyFactory factory = new DynamicProxyFactory(m_serviceWsdlUri);

     foreach (ServiceEndpoint endpoint in factory.Endpoints)
     {
         System.ServiceModel.Channels.BindingElementCollection bec = endpoint.Binding.CreateBindingElements();

         System.ServiceModel.Channels.TransportBindingElement tbe = bec.Find<System.ServiceModel.Channels.TransportBindingElement>();

         tbe.MaxReceivedMessageSize = 2147483647;
         tbe.MaxBufferPoolSize = 2147483647;
         TextMessageEncodingBindingElement textBE = bec.Find<TextMessageEncodingBindingElement>();

         if (textBE != null)
         {

             textBE.ReaderQuotas.MaxStringContentLength = 2147483647;
             textBE.ReaderQuotas.MaxArrayLength = 2147483647;
             textBE.ReaderQuotas.MaxBytesPerRead = 2147483647;
             textBE.ReaderQuotas.MaxDepth = 2147483647;
             textBE.ReaderQuotas.MaxNameTableCharCount = 2147483647;

         }
   }

我需要这个，所以我可以发送超过8kb的服务。

Answer 1

创建绑定后在BindingElement上设置配额对该绑定没有影响。

编辑（因为你不知道使用了什么绑定）：

您可以使用反射来设置属性。请注意，在设置之前，应确保Binding实际具有该属性。并非所有绑定都具有此属性。如果您尝试在不支持它的绑定上设置它，该示例将引发异常。

Binding binding = endpoint.Binding;

XmlDictionaryReaderQuotas myReaderQuotas = new XmlDictionaryReaderQuotas();
myReaderQuotas.MaxStringContentLength = _sanebutusablelimit_;
myReaderQuotas.MaxArrayLength = _sanebutusablelimit_;
myReaderQuotas.MaxBytesPerRead = _sanebutusablelimit_;
myReaderQuotas.MaxDepth = _sanebutusablelimit_;
myReaderQuotas.MaxNameTableCharCount = _sanebutusablelimit_;

binding.GetType().GetProperty("ReaderQuotas").SetValue(binding, myReaderQuotas, null);

希望这对你有所帮助。

Answer 2

为什么要以如此复杂的方式解决这个问题，只需直接改变ReaderQuotas：

即：

WSHttpBinding WebBinding = new WSHttpBinding（）;

WebBinding.ReaderQuotas.MaxArrayLength = int.MaxValue; WebBinding.ReaderQuotas.MaxStringContentLength = int.MaxValue; WebBinding.ReaderQuotas.MaxBytesPerRead = int.MaxValue;

如果没有那种奇怪的反射样本，这将有效。

干杯

Answer 3

另外需要注意的是，还需要更新Binding的以下属性以获得完整的解决方案：

binding2.MaxBufferSize = 2147483647;
binding2.MaxReceivedMessageSize = 2147483647;

为了其他人的利益，这里有一个样本，它以编程方式在客户端和服务器上设置ReaderQuotas以及上面的2个属性：

客户代码：

        WebHttpBinding binding2 = new WebHttpBinding();
        XmlDictionaryReaderQuotas myReaderQuotas = new XmlDictionaryReaderQuotas();
        myReaderQuotas.MaxStringContentLength = 2147483647;
        myReaderQuotas.MaxArrayLength = 2147483647;
        myReaderQuotas.MaxBytesPerRead = 2147483647;
        myReaderQuotas.MaxDepth = 2147483647;
        myReaderQuotas.MaxNameTableCharCount = 2147483647;

        binding2.GetType().GetProperty("ReaderQuotas").SetValue(binding2, myReaderQuotas, null);
        binding2.MaxBufferSize = 2147483647;
        binding2.MaxReceivedMessageSize = 2147483647;
        ServiceEndpoint ep = new ServiceEndpoint(ContractDescription.GetContract(typeof(IMyService)),
            binding2, new EndpointAddress("http://localhost:9000/MyService"));

        WebChannelFactory<IMyService> cf2 = new WebChannelFactory<IMyService>(ep);

        IMyService serv = cf2.CreateChannel();
        serv.PrintNameDesc("Ram", new string('a', 100*1024*1024));

服务器代码：

        WebHttpBinding binding2 = new WebHttpBinding();
        XmlDictionaryReaderQuotas myReaderQuotas = new XmlDictionaryReaderQuotas();
        myReaderQuotas.MaxStringContentLength = 2147483647;
        myReaderQuotas.MaxArrayLength = 2147483647;
        myReaderQuotas.MaxBytesPerRead = 2147483647;
        myReaderQuotas.MaxDepth = 2147483647;
        myReaderQuotas.MaxNameTableCharCount = 2147483647;

        binding2.GetType().GetProperty("ReaderQuotas").SetValue(binding2, myReaderQuotas, null);
        binding2.MaxBufferSize = 2147483647;
        binding2.MaxReceivedMessageSize = 2147483647;

        WebServiceHost host2 = new WebServiceHost(typeof(MyService));
        host2.AddServiceEndpoint(typeof(IMyService), binding2, new Uri("http://localhost:9000/MyService"));

        host2.Open();

合同是：

[ServiceContract]
public interface IMyService
{
    [WebInvoke(Method = "PUT", 
        UriTemplate = "My/{name}/", 
        BodyStyle = WebMessageBodyStyle.Bare, 
        ResponseFormat = WebMessageFormat.Xml, 
        RequestFormat = WebMessageFormat.Xml)]
    [OperationContract]
    void PrintNameDesc(string name, string desc);
}

以编程方式修改端点ReaderQuotas

3 个答案: