public object Request(string url, WebProxy proxy)
{
object result = null;
try
{
if (aborted)
{
throw new Exception();
}
//url = AppDomain.CurrentDomain.GetData("Url") as string;
//proxy = AppDomain.CurrentDomain.GetData("Proxy") as WebProxy;
rstop = new RequestState();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Proxy = proxy;
request.KeepAlive = false;
Initialize(ref request);
rstop.Request = request;
// Debug.WriteLine(url);
Stopwatch st = new Stopwatch();
st.Start();
IAsyncResult r = (IAsyncResult)request.BeginGetResponse(new AsyncCallback(RespCallback), rstop);
ThreadPool.RegisterWaitForSingleObject(r.AsyncWaitHandle, new WaitOrTimerCallback(TimeoutCallback), rstop.Request, DefaultTimeout, true);
allDone.WaitOne();
st.Stop();
Debug.WriteLine(st.ElapsedMilliseconds);
if (!_byte)
{
if (rstop.RequestData != null)
{
if (!rstop.RequestData.ToString().Trim().Equals(string.Empty))
{
result = rstop.RequestData.ToString();
}
}
}
else
{
if (rstop.RequestByte != null)
{
result = rstop.RequestByte;
}
}
if (rstop.ResponseStream != null)
{
rstop.ResponseStream.Close();
Thread.Sleep(100);
//Debug.WriteLine("response stream closed "+url);
}
}
catch (Exception)
{
throw new Exception();
}
return(result);
}
void ReadCallBack(IAsyncResult asyncResult)
{
Stream responseStream = null;
IAsyncResult ar = null;
try
{
if (aborted)
{
throw new Exception();
}
RequestState rs = (RequestState)asyncResult.AsyncState;
responseStream = rs.ResponseStream;
int read = responseStream.EndRead(asyncResult);
if (read > 0)
{
if (!_byte)
{
char[] charBuffer = new Char[BUFFER_SIZE];
int len = rs.StreamDecode.GetChars(rs.BufferRead, 0, read, charBuffer, 0);
string str = new String(charBuffer, 0, len);
rs.RequestData.Append(Encoding.ASCII.GetString(rs.BufferRead, 0, read));
}
else
{
rs.RequestByte.Write(rs.BufferRead, 0, read);
}
try
{
ar = responseStream.BeginRead(rs.BufferRead, 0, BUFFER_SIZE, new AsyncCallback(ReadCallBack), rs);
}
catch (System.Net.Sockets.SocketException)
{
throw new Exception();
}
catch (System.Exception)
{
throw new Exception();
}
}
else
{
responseStream.Close();
allDone.Set();
}
}
catch (System.Exception)
{
if (responseStream != null)
{
responseStream.Close();
}
allDone.Set();
}
return;
}
public object Request(string url,WebProxy proxy)
{
object result = null;
try
{
if (aborted)
throw new Exception();
//url = AppDomain.CurrentDomain.GetData("Url") as string;
//proxy = AppDomain.CurrentDomain.GetData("Proxy") as WebProxy;
rstop = new RequestState();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Proxy = proxy;
request.KeepAlive = false;
Initialize(ref request);
rstop.Request = request;
// Debug.WriteLine(url);
Stopwatch st = new Stopwatch();
st.Start();
IAsyncResult r = (IAsyncResult)request.BeginGetResponse(new AsyncCallback(RespCallback), rstop);
ThreadPool.RegisterWaitForSingleObject(r.AsyncWaitHandle, new WaitOrTimerCallback(TimeoutCallback), rstop.Request, DefaultTimeout, true);
allDone.WaitOne();
st.Stop();
Debug.WriteLine(st.ElapsedMilliseconds);
if (!_byte)
{
if (rstop.RequestData != null)
{
if (!rstop.RequestData.ToString().Trim().Equals(string.Empty))
{
result = rstop.RequestData.ToString();
}
}
}
else
{
if (rstop.RequestByte != null)
{
result = rstop.RequestByte;
}
}
if (rstop.ResponseStream != null)
{
rstop.ResponseStream.Close();
Thread.Sleep(100);
//Debug.WriteLine("response stream closed "+url);
}
}
catch (Exception)
{
throw new Exception();
}
return result ;
}
