using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading;

namespace MECF.Framework.RT.Core.IoProviders.Siemens.Net.StateOne
{
    /// <summary>
    /// 网络中的异步对象
    /// </summary>
    internal class StateObject : StateOneBase
    {
        #region Constructor

        /// <summary>
        /// 实例化一个对象
        /// </summary>
        public StateObject( )
        {

        }

        /// <summary>
        /// 实例化一个对象，指定接收或是发送的数据长度
        /// </summary>
        /// <param name="length">数据长度</param>
        public StateObject( int length )
        {
            DataLength = length;
            Buffer = new byte[length];
        }

        #endregion

        #region Public Member

        /// <summary>
        /// 唯一的一串信息
        /// </summary>
        public string UniqueId { get; set; }

        /// <summary>
        /// 网络套接字
        /// </summary>
        public Socket WorkSocket { get; set; }

        /// <summary>
        /// 是否关闭了通道
        /// </summary>
        public bool IsClose { get; set; }

        #endregion

        #region Public Method

        /// <summary>
        /// 清空旧的数据
        /// </summary>
        public void Clear( )
        {
            IsError = false;
            IsClose = false;
            AlreadyDealLength = 0;
            Buffer = null;
        }

        #endregion
    }

    #if !NET35

    /// <summary>
    /// 携带TaskCompletionSource属性的异步对象
    /// </summary>
    /// <typeparam name="T">类型</typeparam>
    internal class StateObjectAsync<T> : StateObject
    {
        #region Constructor

        /// <summary>
        /// 实例化一个对象
        /// </summary>
        public StateObjectAsync( ) : base( )
        {

        }

        /// <summary>
        /// 实例化一个对象，指定接收或是发送的数据长度
        /// </summary>
        /// <param name="length">数据长度</param>
        public StateObjectAsync( int length ) : base( length )
        {

        }

        #endregion

        public System.Threading.Tasks.TaskCompletionSource<T> Tcs { get; set; }
    }

    #endif

}