static public void AsynPost(string url, byte[] data, ResponseCallback callback, object state, CookieCollection cookie)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
if (cookie != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookie);
}
request.AllowAutoRedirect = true;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
AsynResp resp = new AsynResp
{
Request = request,
Callback = callback,
Response = new ResponseObject
{
State = state
}
};
AsynRequestStream ars = new AsynRequestStream
{
Data = data,
Resp = resp
};
request.BeginGetRequestStream(new AsyncCallback(RequestStreamCallback), ars);
}
private static void DoUserCallback(AsynResp ar)
{
if (ar.Callback != null)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(UserCallback), ar);
}
}
private static void RespCallback(IAsyncResult ir)
{
AsynResp ar = (AsynResp)ir.AsyncState;
try
{
HttpWebResponse resp = (HttpWebResponse)ar.Request.EndGetResponse(ir);
ar.Request = null;
if (ar.Callback != null)
{
ar.Response.Resp = resp;
ar.RespStream = resp.GetResponseStream();
ar.Contents = new ArrayList();
ar.Current = new byte[1024];
if (ar.RespStream != null)
{
ar.RespStream.BeginRead(ar.Current, 0, ar.Current.Length,
RespReadCallback, ar);
}
}
}
catch (Exception)
{
DoUserCallback(ar);
}
}
private static void UserCallback(object o)
{
AsynResp ar = (AsynResp)o;
try
{
ar.Callback(ar.Response);
}
catch
{ }
if (ar.Response.Resp != null)
{
ar.Response.Resp.Close();
}
}
private static void UserCallback(object o)
{
AsynResp ar = (AsynResp)o;
try
{
ar.Callback(ar.Response);
}
catch (Exception e)
{
//LogHelper.WriteLog(typeof(HttpWebAsk), LogStatusLevel.ERROR, e.Message);
}
if (ar.Response.Resp != null)
{
ar.Response.Resp.Close();
}
}
private static void RespReadCallback(IAsyncResult ir)
{
AsynResp ar = (AsynResp)ir.AsyncState;
try
{
int readed = ar.RespStream.EndRead(ir);
if (readed >= ar.Current.Length)
{
ar.Contents.Add(ar.Current);
ar.Current = new byte[1024];
ar.RespStream.BeginRead(ar.Current, 0, ar.Current.Length,
new AsyncCallback(RespReadCallback), ar);
return;
}
int length = ar.Contents.Count * 1024 + readed;
if (length > 0)
{
ar.Response.Content = new byte[length];
int index = 0;
foreach (byte[] bs in ar.Contents)
{
Array.Copy(bs, 0, ar.Response.Content, index, bs.Length);
index += bs.Length;
}
if (readed > 0)
{
Array.Copy(ar.Current, 0, ar.Response.Content, index, readed);
}
}
ar.Contents = null;
ar.Current = null;
ThreadPool.QueueUserWorkItem(new WaitCallback(UserCallback), ar);
}
catch (Exception e)
{
//LogHelper.WriteLog(typeof(HttpWebAsk), LogStatusLevel.ERROR, e.Message);
DoUserCallback(ar);
}
}
private static void RespReadCallback(IAsyncResult ir)
{
AsynResp ar = (AsynResp)ir.AsyncState;
try
{
int readed = ar.RespStream.EndRead(ir);
if (readed >= ar.Current.Length)
{
ar.Contents.Add(ar.Current);
ar.Current = new byte[1024];
ar.RespStream.BeginRead(ar.Current, 0, ar.Current.Length,
RespReadCallback, ar);
return;
}
int length = ar.Contents.Count * 1024 + readed;
if (length > 0)
{
ar.Response.Content = new byte[length];
int index = 0;
foreach (byte[] bs in ar.Contents)
{
Array.Copy(bs, 0, ar.Response.Content, index, bs.Length);
index += bs.Length;
}
if (readed > 0)
{
Array.Copy(ar.Current, 0, ar.Response.Content, index, readed);
}
}
ar.Contents = null;
ar.Current = null;
ThreadPool.QueueUserWorkItem(UserCallback, ar);
}
catch (Exception)
{
DoUserCallback(ar);
}
}
static public void AsynGet(string url, ResponseCallback callback, object state, CookieCollection cookie)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
if (cookie != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookie);
}
AsynResp resp = new AsynResp
{
Request = request,
Callback = callback,
Response = new ResponseObject
{
State = state
}
};
request.BeginGetResponse(new AsyncCallback(RespCallback), resp);
}
private static void RespCallback(IAsyncResult ir)
{
AsynResp ar = (AsynResp)ir.AsyncState;
try
{
HttpWebResponse resp = (HttpWebResponse)ar.Request.EndGetResponse(ir);
ar.Request = null;
if (ar.Callback != null)
{
ar.Response.Resp = resp;
ar.RespStream = resp.GetResponseStream();
ar.Contents = new ArrayList();
ar.Current = new byte[1024];
ar.RespStream.BeginRead(ar.Current, 0, ar.Current.Length,
new AsyncCallback(RespReadCallback), ar);
}
}
catch (Exception e)
{
//LogHelper.WriteLog(typeof(HttpWebAsk), LogStatusLevel.ERROR, e.Message);
DoUserCallback(ar);
}
}
