.net C# 异步Socket 发送类.

来源：互联网发布：阿里域名隐私保护编辑：程序博客网时间：2024/06/05 14:25
采用异步Socket发送时,对于对像的回收使用了池技术
   /// <summary>    /// 用于辅助异步发送Socket的帮肋类    /// </summary>    public class AsyncSocketSendHelper    {        #region 客户端联接池        /// <summary>        /// 接收SAEA池集合        /// </summary>        private ConcurrentStack<SocketAsyncEventArgs> ReceiveSocketArgsPool = new ConcurrentStack<SocketAsyncEventArgs>();        /// <summary>        /// 初始化接收socketargs对象池        /// </summary>        protected void InitReceiveSocketArgsPool()        {            for (int ndx = 0; ndx < 3000 ; ndx++)            {                ReceiveSocketArgsPool.Push(CreateReceiveSocketArgs());            }        }        /// <summary>        /// 创建一个接收SAEA对象,设置最大接收字节数        /// </summary>        /// <returns></returns>        protected virtual SocketAsyncEventArgs CreateReceiveSocketArgs()        {            SocketAsyncEventArgs e = new SocketAsyncEventArgs();            e.Completed += IO_SendComleted;            return e;        }        /// <summary>        /// 租赁一个接收SAEA对象        /// </summary>        /// <returns></returns>        protected virtual SocketAsyncEventArgs RentReveiveSocketArgs()        {            SocketAsyncEventArgs e;            return ReceiveSocketArgsPool.TryPop(out e) ? e : CreateReceiveSocketArgs();        }        /// <summary>        /// 归还一个接收SAEA参数        /// </summary>        /// <param name="e">还池</param>        protected virtual void GivebackReceiveSocketArgs(SocketAsyncEventArgs e)        {            if (e != null)            {                e.UserToken = null;                ReceiveSocketArgsPool.Push(e);            }        }        #endregion        /// <summary>        /// 发送数据服务        /// </summary>        /// <param name="socket">用于发送的Socket对像</param>        /// <param name="buff">需要发送的数据</param>        /// <param name="callBack">回调函数参数为:发送结果,目标节点,发送数据</param>        /// <param name="userToken">用户数据 </param>        /// <returns></returns>        public virtual void SendToAsync(Socket socket, byte[] buff, Action<AsyncSendResult> callBack = null, object userToken = null)        {            if (socket == null)            {                throw new NullReferenceException();            }            if (buff == null)            {                throw new NullReferenceException();            }            SocketAsyncEventArgs e = RentReveiveSocketArgs();            //设置发送缓冲区            e.SetBuffer(buff, 0, buff.Length);            try            {                //用户标识                var token = new AsyncSendResult                {                    Result = false,                    RemoteEndPoint = socket.RemoteEndPoint.ToString(),                    SendTime = DateTime.Now,                    SendData = buff,                    ResultTime = DateTime.Now,                    CallBakc = callBack,                    UserToKen = userToken,                };                e.UserToken = token;                //发送数据                if (!socket.SendAsync(e))                {                    IO_SendComleted(socket, e);                }            }            catch (SocketException)            {                //还池                GivebackReceiveSocketArgs(e);            }            catch (ObjectDisposedException)            {                //还池                GivebackReceiveSocketArgs(e);            }        }        /// <summary>        /// 发送数据后的完成功能        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        protected virtual void IO_SendComleted(object sender, SocketAsyncEventArgs e)        {            try            {                if (e.UserToken != null)                {                    AsyncSendResult token = e.UserToken as AsyncSendResult;                    if (token != null)                    {                        //设置结果时间                        token.ResultTime = DateTime.Now;                        //发送数据OK                        if (e.SocketError == SocketError.Success)                        {                            token.Result = true;                            if (token.CallBakc != null)                            {                                token.CallBakc(token);                            }                        }                        else                        {                            //发送数据失败                            token.Result = false;                            if (token.CallBakc != null)                            {                                token.CallBakc(token);                            }                        }                    }                }            }            finally            {                //还池                GivebackReceiveSocketArgs(e);            }        }    }    /// <summary>    /// 异步发送结果    /// </summary>    public class AsyncSendResult    {        /// <summary>        /// 结果        /// </summary>        public bool Result { get; set; }        /// <summary>        /// 目标节点        /// </summary>        public string RemoteEndPoint { get; set; }        /// <summary>        /// 发送数据        /// </summary>        public byte[] SendData { get; set; }        /// <summary>        /// 发送时间        /// </summary>        public DateTime SendTime { get; set; }        /// <summary>        /// 结果返回时间        /// </summary>        public DateTime ResultTime { get; set; }        /// <summary>        /// 获取或设置与此操作关联的用户或应用程序对象。        /// </summary>        public object UserToKen { get; set; }        /// <summary>        /// 用于回调的委托        /// </summary>        internal Action<AsyncSendResult> CallBakc { get; set; }    }
0 0