问WCF在自托管服务上流式传输大型数据(500MB /1 1GB)

EN

using System.IO;
using System.ServiceModel;

namespace Service
{
    [ServiceContract]
    public interface IStream
    {
        [OperationContract]
        Stream GetLargeObject();
    }
}

using System;
using System.IO;
using System.ServiceModel;

namespace Service
{
   [ServiceBehavior]
   public class StreamService : IStream
   {
       public Stream GetLargeObject()
       {
           // Add path to a big file, this one is 2.5 gb
           string filePath = Path.Combine(Environment.CurrentDirectory, "C:\\Temp\\BFBC2_PC_Client_R11_795745_Patch.exe");

        try
        {
            FileStream imageFile = File.OpenRead(filePath);
            return imageFile;
        }
        catch (IOException ex)
        {
            Console.WriteLine(String.Format("An exception was thrown while trying to open file {0}", filePath));
            Console.WriteLine("Exception is: ");
            Console.WriteLine(ex.ToString());
            throw;
        }
    }
 }
}

using System;
using System.ServiceModel;

namespace Service
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                using (var serviceHost = new ServiceHost(typeof(StreamService)))
                {
                    serviceHost.Open();

                    Console.WriteLine("Press Any Key to end");
                    Console.ReadKey();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }
    }
}

<?xml version="1.0"?>
<configuration>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
  </startup>

  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior name="StreamServiceBehavior">
          <serviceMetadata httpGetEnabled="True" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <bindings>
      <netTcpBinding>
        <binding name="NewBinding0" transferMode="Streamed"/>
      </netTcpBinding>
    </bindings>
    <services>
      <service behaviorConfiguration="StreamServiceBehavior" name="Service.StreamService">
        <endpoint address="net.tcp://localhost:9000/streamserver" binding="netTcpBinding"
          bindingConfiguration="NewBinding0" bindingName="" contract="Service.IStream" />
        <endpoint address="mex" binding="mexHttpBinding"
          contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8080/StreamService" />
          </baseAddresses>
        </host>
      </service>
    </services>
  </system.serviceModel>
</configuration>

using System;
using System.IO;
using Client.Service;

namespace Client
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                using (StreamClient streamClient = new StreamClient())
                {
                    streamClient.Open();

                    using (FileStream fileStream = new FileStream("c:\\temp\\bigfile.exe",FileMode.Create))
                    {
                        streamClient.GetLargeObject().CopyTo(fileStream);    
                    }
                }

                Console.WriteLine("Press any key to end");
                Console.ReadKey();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
        }
    }
}

<system.serviceModel>
    <bindings>
        <netTcpBinding>
            <binding name="NetTcpBinding_IStream" closeTimeout="00:01:00"
                openTimeout="00:01:00" receiveTimeout="00:30:00" sendTimeout="00:01:00"
                transactionFlow="false" transferMode="Streamed" transactionProtocol="OleTransactions"
                hostNameComparisonMode="StrongWildcard" listenBacklog="10"
                maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10"
                maxReceivedMessageSize="4294967295">
                <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
                    maxBytesPerRead="4096" maxNameTableCharCount="16384" />
                <reliableSession ordered="true" inactivityTimeout="00:10:00"
                    enabled="false" />
                <security mode="Transport">
                    <transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" />
                    <message clientCredentialType="Windows" />
                </security>
            </binding>
        </netTcpBinding>
    </bindings>
    <client>
        <endpoint address="net.tcp://localhost:9000/streamserver" binding="netTcpBinding"
            bindingConfiguration="NetTcpBinding_IStream" contract="Service.IStream"
            name="NetTcpBinding_IStream">

        </endpoint>
    </client>
</system.serviceModel>