wcf - 无标题的 XML 正文中的字符串

Question

我有一个带有多种方法的 WCF 服务。我想记录来自客户端的原始请求，无论它是如何发送的。我正在使用以下方法

public Message CreateMessage(Message message)
     {
       MessageBuffer buffer = message.CreateBufferedCopy(Int32.MaxValue);
       var messageCopy = buffer.CreateMessage();
       Console.WriteLine(messageCopy.ToString());
       return buffer.CreateMessage();     
     }
 public object AfterReceiveRequest(ref System.ServiceModel.Channels.Message request, System.ServiceModel.IClientChannel channel, System.ServiceModel.InstanceContext instanceContext)
        {
            request = CreateMessage(request);
            return null;

        }

我得到了结果中的 XML 和正文中的字符串，但是有了标题，我想要正文中的字符串，但根本没有标题。任何人都可以在这方面帮助我。

Answer 1

最后我把它整理出来，得到了覆盖 Body Writer 类的解决方案。请在下面找到详细的解决方案。

namespace WcfServiceRaw
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService1" in both code and config file together.
    [ServiceContract]
    public interface IService1
    {

        [OperationContract(ReplyAction = "ResponseToGetDataRequest")]
        Message GetData();
    }

}
namespace WcfServiceRaw
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.
    public class Service1 : IService1
    {

        public Message GetData()
        {
            // Create body
            TestDataWriter body = new TestDataWriter("<test>data</test>");

            // Create messatge
            MessageVersion ver = OperationContext.Current.IncomingMessageVersion;
            Message msg = Message.CreateMessage(ver, "ResponseToGetDataRequest", body);

            //Debug.WriteLine(msg.ToString());
            return msg;

        }

    }

    class TestDataWriter : BodyWriter
    {
        string _data;

        public TestDataWriter(string data)
            : base(false)
        {
            _data = data;
        }

        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            writer.WriteRaw(_data);
        }
    }

客户是：

namespace WcfClientRaw
{
    class Program
    {
        static void Main(string[] args)
        {
            //IMyContract proxy = ChannelFactory<IMyContract>.CreateChannel(new BasicHttpBinding(), new EndpointAddress(address));
            WcfServiceRaw.Service1Client proxy = new WcfServiceRaw.Service1Client();
            using (proxy as IDisposable)
            {
                Message msg = proxy.GetData();
                Console.WriteLine(msg.ToString());
                Console.WriteLine();

                XmlDictionaryReader xdr = msg.GetReaderAtBodyContents();
                //string exp = "<test>data</test>";
                string act = xdr.ReadOuterXml();
                //Debug.Assert(exp == act);
                Console.WriteLine(act);
                Console.ReadLine();
            }
        }
    }
}

Answer 2

您可以在 System.ServiceModel.Channel.Message 类上使用GetReaderAtBodyContents 。

var reader = message.GetReaderAtBodyContents();
Console.WriteLine(reader.ReadOuterXml());