wcf回調，從Service類外部調用客戶端

Question

所以我有一個具有多個客戶端的selfhostet服務（netTcpBinding）。 現在我想通過程序其他部分的回調來調用客戶端...

就像是

ServiceHost shintern = new ServiceHost(typeof(InternalService));
shintern.Open();

（后來，我們已經訂閱了客戶）...

shintern.GetClients().ForEach(...client_function());

實際上，我有2個服務（Extern Rest / WS，實習生netTcp）正在運行，我想實現以下功能：

    ServiceExtern::GetSomethingFromInternClients()
    {
         //return values of clients connected to intern Service. 
    }

如果您願意，我也可以添加一些代碼。 問候

Answer 1

好的，我以某種方式做到了（不要太喜歡它）。

“實習生”客戶端所處的服務看起來像這樣。

[ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Single, InstanceContextMode = InstanceContextMode.Single)]
    public class pwGateInternalService : IpwGateInternalService
    {
        static List<SchoolCallback> m_schools = new List<SchoolCallback>();

        //non contract Functions:

        public List<SchoolCallback> GetClientList()
        {
            return m_schools;
        }

        //Contract Functions:

        public ServiceStatus Connect(string schoolname)
        {
            ServiceStatus result = new ServiceStatus();
            int schoolid = Config.GetIdentifier(schoolname);

            //add to dynamic list of schools
            IpwGateInternalCallback callback = OperationContext.Current.GetCallbackChannel<IpwGateInternalCallback>();
            if (m_schools.Find(x => x.callback == callback) == null)
            {
                SchoolCallback school = new SchoolCallback(schoolid, schoolname, callback);
                m_schools.Add(school);

                result.status = eStatus.success;
            }
            else
            {
                //already found
                result.status = eStatus.error;
                result.strError = "a client with your name is already connected";

                //TODO
                //mail?
            }
            return null;
        }

        public void Disconnect()
        { 
            //remove from dynamic list
            IpwGateInternalCallback callback = OperationContext.Current.GetCallbackChannel<IpwGateInternalCallback>();
            SchoolCallback school = m_schools.Find(x => x.callback == callback);
            if (school != null)
            {
                m_schools.Remove(school);
            }


        }//Disconnect()
    }//callback interface

無論何時何地，只要我想訪問客戶列表，我都會這樣做：

pwGateInternalService internService = new pwGateInternalService();
List<SchoolCallback> schools = internService.GetClientList();
SchoolCallback school = schools.Find(x => x.identifier == targetschool.identifier);

if (school != null)
{  
    user = school.callback.GetUser(username);
}