Пример #1
0
        /// <summary>
        /// 超时回调
        /// </summary>
        /// <param name="state">HttpRequest对象</param>
        /// <param name="timedOut">超时判断</param>
        void TimeoutCallback(object state, bool timedOut)
        {
            AsyncHttpItem pa = state as AsyncHttpItem;

            if (timedOut)
            {
                if (System.Threading.Interlocked.Increment(ref pa.atomLock) == 1)
                {
                    pa.result.Html = "TimeOut";
                    pa.callBack.Invoke(pa.result);
                }
            }
        }
Пример #2
0
        /// <summary>
        ///  根据传入的参数,来异步发起请求
        /// </summary>
        /// <param name="objItems">请求设置参数</param>
        /// <param name="callBack">回调函数</param>
        private void AsyncGetHttpRequestData(HttpItems objItems, Action <HttpResults> callBack)
        {
            AsyncHttpItem hrt = new AsyncHttpItem();

            SetRequest(objItems);
            hrt.objHttpCodeItem = objItems;
            hrt.request         = request;
            hrt.callBack        = callBack;
            try
            {
                IAsyncResult m_ar = hrt.request.BeginGetResponse(AsyncResponseData, hrt);
                System.Threading.ThreadPool.RegisterWaitForSingleObject(m_ar.AsyncWaitHandle,
                                                                        TimeoutCallback, hrt, objItems.Timeout, true);
            }
            catch
            {
                hrt.result.Html = "TimeOut";
            }
        }
Пример #3
0
        /// <summary>
        /// 异步获取响应数据
        /// </summary>
        /// <param name="result"></param>
        private void AsyncResponseData(IAsyncResult result)
        {
            AsyncHttpItem hrt = result.AsyncState as AsyncHttpItem;

            if (System.Threading.Interlocked.Increment(ref hrt.atomLock) != 1)
            {
                return;
            }
            try
            {
                request = hrt.request;
                //response = (HttpWebResponse)hrt.request.EndGetResponse(result);
                response          = (HttpWebResponse)request.EndGetResponse(result);
                hrt.result        = GetResponesInfo(ref hrt.objHttpCodeItem);
                hrt.result.Cookie = new XJHTTP().UpdateCookie(hrt.objHttpCodeItem.Cookie, hrt.result.Cookie);
            }
            catch (WebException ex)
            {
                response        = (HttpWebResponse)ex.Response;
                hrt.result.Html = ex.Message;
                if (response != null)
                {
                    hrt.result.StatusCode        = response.StatusCode;
                    hrt.result.StatusDescription = ex.Message;
                    try
                    {
                        hrt.result = GetResponesInfo(ref hrt.objHttpCodeItem);
                    }
                    catch
                    {
                    }
                }
                else
                {
                    hrt.result.StatusCode        = HttpStatusCode.NotFound;
                    hrt.result.StatusDescription = ex.Message;
                }
            }
            hrt.callBack.Invoke(hrt.result);
        }