public void TD_RequestAsyncLevel2Streaming(string symbol, Level2DataSource Level2DataSourceType, Form oForm)
{
/*/
* Old code used for requesting NON-TotalView based on compressed data.
/*/
//string _streamerCommand = "S=" + this.getLevel2SourceName(Level2DataSourceType) + "&C=SUBS&P=" + symbol + "&T=0+1";
/*/
* New code used for requesting TotalView based on uncompressed data.
/*/
string _streamerCommand = "S=TOTAL_VIEW&C=SUBS&P=" + symbol + ">L2&T=0+1+2+3";
if (this.TD_loginStatus == true)
{
XMLHTTP xmlHttp_ = new XMLHTTP();
StringBuilder cpostdata = new StringBuilder();
string lcPostUrl = string.Empty;
cpostdata.Append("!U=" + _accountid);
cpostdata.Append("&W=" + _token);
cpostdata.Append("&A=userid=" + _accountid);
cpostdata.Append("&token=" + _token);
cpostdata.Append("&company=" + _company);
cpostdata.Append("&segment=" + _segment);
cpostdata.Append("&cddomain=" + _cdDomain);
cpostdata.Append("&usergroup=" + _usergroup);
cpostdata.Append("&accesslevel=" + _accesslevel);
cpostdata.Append("&authorized=" + _authorized);
cpostdata.Append("&acl=" + _acl);
cpostdata.Append("×tamp=" + _timestamp);
cpostdata.Append("&appid=" + _appid);
cpostdata.Append("|" + _streamerCommand);
string encodedString = Encode_URL(cpostdata.ToString());
cpostdata = new StringBuilder();
cpostdata.Append(encodedString);
lcPostUrl = "http://" + this._streamerurl + "/" + cpostdata;
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(lcPostUrl);
req.ContentType = "application/x-www-form-urlencoded";
req.Accept = "Accept image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, application/x-shockwave-flash, */*";
req.Method = "GET";
req.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
req.Timeout = 60000;
req.ServicePoint.ConnectionLimit = 50;
//// Add the request into the state so it can be passed around
this.rs_LevelTwoStreaming = new RequestState();
//this.rs_LevelTwoStreaming.TickWithArgs += new AmeritradeBrokerAPI.EventHandlerWithArgs(((Form1)oForm).processEvent);
this.rs_LevelTwoStreaming.oParentForm = oForm;
this.rs_LevelTwoStreaming.lNewStockSymbol = false;
this.rs_LevelTwoStreaming.oParent = this;
this.rs_LevelTwoStreaming.Level2DataSourceType = Level2DataSourceType;
this.rs_LevelTwoStreaming.stockSymbol = symbol;
this.rs_LevelTwoStreaming.ServiceName = Level2DataSourceType.ToString();
this.rs_LevelTwoStreaming.Request = req;
this.rs_LevelTwoStreaming.FunctionType = RequestState.AsyncType.LevelTwoStreaming;
// Issue the async request
IAsyncResult r = (IAsyncResult)req.BeginGetResponse(new AsyncCallback(RespCallback), this.rs_LevelTwoStreaming);
}
}
public string getLevel2SourceName(Level2DataSource Level2Source)
{
string cReplySource = string.Empty;
switch (Level2Source)
{
case Level2DataSource.AMEX:
cReplySource = "NYSE_BOOK";
break;
case Level2DataSource.NYSE:
cReplySource = "NYSE_BOOK";
break;
case Level2DataSource.NASDAQ:
cReplySource = "LEVELII";
break;
case Level2DataSource.INET:
cReplySource = "ADAP_INET";
break;
default:
cReplySource = "NYSE_BOOK";
break;
}
return cReplySource;
}
