using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using QMAPP.FJC.Entity.Basic;

namespace OpcHost
{

    /// <summary>
    /// 工控机与opc服务实现双通道的操作接口
    /// 作者:闫永刚
    /// 日期:2015-05-29
    /// </summary>

    [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(IChatCallback))]
    public interface IPLCService
    {

        /// <summary>
        /// 注册双通道
        /// </summary>
        /// <returns></returns>
        [OperationContract(IsInitiating = true, IsTerminating = false)]
        int Register();


        //[OperationContract(IsOneWay = true, IsInitiating = false, IsTerminating = false)]
        //void CheckConnect(string msg);


        /// <summary>
        /// 注销双通道
        /// </summary>
        /// <returns></returns>
        [OperationContract(IsInitiating = false, IsTerminating = true)]
        int Logout();

        /// <summary>
        ///向设备发送可以进行操作的指令
        /// </summary>
        void SendOperateOrder(ParameterConfig config);
    }


    /// <summary>
    /// 双向通信的回调接口
    /// </summary>
    public interface IChatCallback
    {

        [OperationContract(IsOneWay = true)]
        void ReturnProductCode(string name);


    }

    public class ChatEventArgs : EventArgs
    {
        //public MessageType msgType;
        public string name;
        public string message;
    }
}