private void SetupGrid()
{
var blank = new TradeSignalUpdate(0, "");
// PerformerStat
grid.Columns.Add(new FastColumn(blank.Property(p => p.CategoryName), Localizer.GetString("TitleSignal"))
{
ColumnWidth = 160,
SortOrder = FastColumnSort.Descending,
IsHyperlinkStyleColumn = true,
HyperlinkActiveCursor = Cursors.Hand,
ColorHyperlinkTextActive = Color.Blue,
HyperlinkFontActive = new Font(Font, FontStyle.Bold)
});
grid.Columns.Add(new FastColumn(blank.Property(p => p.Ticker), Localizer.GetString("TitleInstrument"))
{
ColumnWidth = 100
});
grid.Columns.Add(new FastColumn(blank.Property(p => p.TimeframeFriendlyName), Localizer.GetString("TitleTimeframe"))
{
ColumnWidth = 100
});
grid.Columns.Add(new FastColumn(blank.Property(p => p.TimeUpdated), Localizer.GetString("TitleUpdateTime"))
{
ColumnMinWidth = 80
});
grid.Columns.Add(new FastColumn(blank.Property(p => p.ObjectCount), Localizer.GetString("TitleObjectCountShort"))
{
ColumnWidth = 90
});
grid.ColorAltCellBackground = Color.White;
grid.UserHitCell += GridUserHitCell;
grid.MultiSelectEnabled = true;
grid.CalcSetTableMinWidth();
}
private bool LoadTradeSignalXml(TradeSignalUpdate signal)
{
// указать в параметрах запроса параметры сигнала
var reqParams = new Dictionary<string, string>
{
{ TradeSignalXml.ReqPtrGetForecast, "1" },
{ TradeSignalXml.ReqPtrForecastCategory, signal.ServiceId.ToString() },
{ TradeSignalXml.ReqPtrForecastTicker, signal.Ticker },
{ TradeSignalXml.ReqPtrForecastTimeframe, signal.Timeframe.ToString(TradeSignalXml.TimeframeSeparator) }
};
var queryString = string.Join("&", reqParams.Select(p => string.Format("{0}={1}", p.Key, p.Value)));
WebRequest serverRequest;
try
{
serverRequest = WebRequest.Create(url + "?" + queryString);
serverRequest.Timeout = ServerRequestTimeooutMils;
}
catch (Exception ex)
{
Logger.ErrorFormat("LoadTradeSignalXml: error creating request to {0}: {1}", url, ex);
return false;
}
if (!string.IsNullOrEmpty(username))
serverRequest.Credentials = new NetworkCredential(username, pass);
WebResponse serverResponse;
try
{
serverResponse = serverRequest.GetResponse();
}
catch (Exception ex)
{
logNoFlood.LogMessageFormatCheckFlood(LogEntryType.Error, LogServerRequestXmlError, 1000 * 60 * 5,
"LoadTradeSignalXml: error getting response from {0}: {1}", url, ex);
return false;
}
if (serverResponse == null)
{
logNoFlood.LogMessageFormatCheckFlood(LogEntryType.Error, LogServerResponseXmlNil, 1000 * 60 * 5,
"LoadTradeSignalXml: response from {0} is null", url);
return false;
}
try
{
// прочитать и сохранить ответ - XML
using (var s = serverResponse.GetResponseStream())
{
if (s == null) return false;
using (var sr = new StreamReader(s, TradeSignalXml.DefaultEncoding))
{
var signalXml = sr.ReadToEnd();
if (string.IsNullOrEmpty(signalXml)) return false;
if (signalXml.StartsWith(TradeSignalXml.ResponseErrorPreffix))
{
Logger.ErrorFormat("LoadTradeSignalXml({0}, {1}, {2}): response error ({3})",
signal.ServiceId, signal.Ticker, signal.Timeframe,
signalXml.Substring(TradeSignalXml.ResponseErrorPreffix.Length));
return false;
}
if (signalXml == TradeSignalXml.ResponseForecastIsEmpty)
{
Logger.InfoFormat("LoadTradeSignalXml({0}, {1}, {2}): response is empty",
signal.ServiceId, signal.Ticker, signal.Timeframe);
return false;
}
// таки сохранить XML
TradeSignalFileStorage.Instance.SaveTradeSignal(signal.ServiceId,
signal.Ticker, signal.Timeframe.ToString(), signalXml);
return true;
}
}
}
catch (Exception ex)
{
Logger.ErrorFormat("LoadTradeSignalXml error", ex);
return false;
}
finally
{
serverResponse.Close();
}
}
/// <summary>
/// обработать строку вида
/// 1_EURUSD_0;#240_20.12.2012 11:04:42
/// </summary>
private static bool ProcessUpdateRequestLine(string line, out TradeSignalUpdate signalUpdate)
{
signalUpdate = null;
var parts = line.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 4) return false;
// категория ТС
var catId = parts[0].ToIntSafe();
if (!catId.HasValue) return false;
// тикер
var ticker = parts[1];
if (!DalSpot.Instance.GetTickerNames().Contains(ticker)) return false;
// таймфрейм
var timeframeStr = parts[2];
var barSets = BarSettings.TryParseString(timeframeStr);
if (barSets == null) return false;
// время обновления
var timeUpdated = parts[3].ToDateTimeUniformSafe();
if (!timeUpdated.HasValue) return false;
// проверить актуальность обновления
var localUpdateInfo = TradeSignalFileStorage.Instance.FindTradeSignal(catId.Value, ticker,
barSets.ToString());
if (localUpdateInfo != null && localUpdateInfo.TimeUpdated == timeUpdated.Value)
return true; // такое обновление уже имело место
signalUpdate = new TradeSignalUpdate(catId.Value, ticker, barSets, timeUpdated.Value);
return true;
}
