public void Send()
{
CHttpRequestState requestState = new CHttpRequestState();
requestState.Request = webRequest;
if (requestBytes != null)
{
webRequest.BeginGetRequestStream(RequestStreamData, requestState);
}
else
{
webRequest.BeginGetResponse(ReceivedData, requestState);
}
}
private void ReceivedData(IAsyncResult asyncResult)
{
try
{
CHttpRequestState requestState = (CHttpRequestState)asyncResult.AsyncState;
HttpWebRequest httpWebRequest = requestState.Request;
requestState.Response = (HttpWebResponse)httpWebRequest.EndGetResponse(asyncResult);
Stream responseStream = requestState.Response.GetResponseStream();
requestState.StreamResponse = responseStream;
IAsyncResult asynchronousInputRead = responseStream.BeginRead(requestState.BufferRead, 0, CHttpRequestState.BUFFER_SIZE, new AsyncCallback(ReadCallBack), requestState);
}catch (Exception ex)
{
error = ex.Message;
isDone = true;
isError = true;
responseCode = 0;
}
}
private void RequestStreamData(IAsyncResult asyncResult)
{
try
{
CHttpRequestState requestState = (CHttpRequestState)asyncResult.AsyncState;
HttpWebRequest httpWebRequest = requestState.Request;
var stream = httpWebRequest.EndGetRequestStream(asyncResult);
stream.Write(requestBytes, 0, requestBytes.Length);
stream.Close();
webRequest.BeginGetResponse(ReceivedData, requestState);
}
catch (Exception ex)
{
error = ex.Message;
isDone = true;
isError = true;
responseCode = 0;
}
}
private void ReadCallBack(IAsyncResult asyncResult)
{
try
{
CHttpRequestState requestState = (CHttpRequestState)asyncResult.AsyncState;
Stream responseStream = requestState.StreamResponse;
int read = responseStream.EndRead(asyncResult);
if (read > 0)
{
responseLst.AddRange(requestState.BufferRead);
IAsyncResult asynchronousResult = responseStream.BeginRead(requestState.BufferRead, 0, CHttpRequestState.BUFFER_SIZE, new AsyncCallback(ReadCallBack), requestState);
}
else
{
responseCode = (int)requestState.Response.StatusCode;
responseBytes = responseLst.ToArray();
responseLst.Clear();
responseLst = null;
isDone = true;
isError = false;
if (responseCode < 200 || responseCode >= 300)
{
isError = true;
}
responseStream.Close();
}
}
catch (Exception ex)
{
error = ex.Message;
isDone = true;
isError = true;
responseCode = 0;
}
}