//---------------------------------------------------------------------------------------------------------------------------------------------------
// SendWebRequest
//---------------------------------------------------------------------------------------------------------------------------------------------------
public bool SendWebAsyncReq(TCWebAsyncInfo wai)
{
allDone = new ManualResetEvent(false);
try
{
if (wai.ReqStr.Length < 1)
{
return(false);
}
Uri uri = new Uri(wai.ReqStr);
WebRequest wreq = WebRequest.Create(uri);
wreq.Credentials = CredentialCache.DefaultCredentials;
if (wai.UseSSL)
{
wreq.Headers.Add(wai.ApiKey, wai.SecretKey);
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
}
wai.WebReq = wreq;
IAsyncResult r = (IAsyncResult)wreq.BeginGetResponse(new AsyncCallback(RespCallback), wai);
allDone.WaitOne(wai.Timeout, false);
}
catch (Exception e)
{
wai.Error = "SendWebAsyncReq::Error - " + e.Message + "\r\n" + e.StackTrace;
return(false);
}
return(true);
}
public TCWebAsyncInfo ReqQuoteAsync(string url, string symbol, int timeout = 3000)
{
TCWebAsyncInfo wai = new TCWebAsyncInfo(WAC, timeout, symbol);
wai.ReqStr = url + symbol;
WAC.SendWebAsyncReq(wai);
return(wai);
}
//---------------------------------------------------------------------------------------------------------------------------------------------------
// RespCallback
//---------------------------------------------------------------------------------------------------------------------------------------------------
private static void RespCallback(IAsyncResult ar)
{
TCWebAsyncInfo wai = null;
try
{
wai = (TCWebAsyncInfo)ar.AsyncState;
WebRequest req = wai.WebReq;
WebResponse resp = req.EndGetResponse(ar);
Stream ResponseStream = resp.GetResponseStream();
wai.RespStream = ResponseStream;
IAsyncResult iarRead = ResponseStream.BeginRead(wai.ReadBuf, 0, TCWebAsyncInfo.BufSize, new AsyncCallback(ReadCallBack), wai);
}
catch (Exception e)
{
if (wai != null)
{
wai.Error = "RespCallback::Error - " + e.Message + "\r\n" + e.StackTrace;
}
}
}
//---------------------------------------------------------------------------------------------------------------------------------------------------
// ReadCallBack
//---------------------------------------------------------------------------------------------------------------------------------------------------
private static void ReadCallBack(IAsyncResult ar)
{
TCWebAsyncInfo wai = null;
try
{
wai = (TCWebAsyncInfo)ar.AsyncState;
wai.ReadSize = wai.RespStream.EndRead(ar);
if (wai.ReadSize > 0)
{
wai.ReadDataSize = wai.StreamDecode.GetChars(wai.ReadBuf, 0, wai.ReadSize, wai.ReadCBuf, 0);
wai.RespData.Append(Encoding.ASCII.GetString(wai.ReadBuf, 0, wai.ReadSize));
IAsyncResult iar = wai.RespStream.BeginRead(wai.ReadBuf, 0, TCWebAsyncInfo.BufSize, new AsyncCallback(ReadCallBack), wai);
}
else
{
if (wai.RespData.Length > 0)
{
wai.Success = true;
wai.RespDataStr = wai.RespData.ToString();
wai.WAC.WebLibCB.OnWebAsyncUpdateCB(wai);
return;
}
wai.RespStream.Close();
allDone.Set();
}
}
catch (Exception e)
{
if (wai != null)
{
wai.Error = "ReadCallBack::Error - " + e.Message + "\r\n" + e.StackTrace;
}
}
return;
}
public new void OnWebAsyncUpdate(TCWebAsyncInfo wai)
{
TCQuote quote = new TCQuote(wai.RespDataStr);
Isys.OnQuote(quote);
}
