/// <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);
}
}
}
/// <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";
}
}
/// <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);
}