Пример #1
0
        /// <summary>
        ///     Request historical data. Data will be delivered through the HistoricalDataReceived event.
        /// </summary>
        /// <returns>An ID uniquely identifying this historical data request. -1 if there was an error.</returns>
        public int RequestHistoricalData(HistoricalDataRequest request)
        {
            if (request == null)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Historical Data Request Failed: Request cannot be null."));

                return(-1);
            }

            if (request.EndingDate < request.StartingDate)
            {
                RaiseEvent(Error, this,
                           new ErrorArgs(-1, "Historical Data Request Failed: Starting date must be after ending date."));

                return(-1);
            }

            if (request.Instrument == null)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Historical Data Request Failed: Instrument cannot be null."));

                return(-1);
            }

            if (!ClientRunningAndIsConnected)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Could not request historical data - not connected."));

                return(-1);
            }

            if (!request.RTHOnly && request.Frequency >= BarSize.OneDay &&
                request.DataLocation != DataLocation.ExternalOnly)
            {
                RaiseEvent(
                    Error,
                    this,
                    new ErrorArgs(
                        -1,
                        "Warning: Requesting low-frequency data outside RTH should be done with DataLocation = ExternalOnly, data from local storage will be incorrect."));
            }

            request.RequestID = Interlocked.Increment(ref requestCount);

            lock (pendingHistoricalRequestsLock)
            {
                PendingHistoricalRequests.Add(request);
            }

            historicalDataRequests.Enqueue(request);

            return(request.RequestID);
        }
Пример #2
0
        /// <summary>
        /// Request historical data. Data will be delivered through the HistoricalDataReceived event.
        /// </summary>
        /// <returns>An ID uniquely identifying this historical data request. -1 if there was an error.</returns>
        public int RequestHistoricalData(HistoricalDataRequest request)
        {
            //make sure the request is valid
            if (request.EndingDate < request.StartingDate)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Historical Data Request Failed: Starting date must be after ending date."));
                return(-1);
            }

            if (request.Instrument == null)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Historical Data Request Failed: null Instrument."));
                return(-1);
            }

            if (!Connected)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Could not request historical data - not connected."));
                return(-1);
            }

            if (!request.RTHOnly && request.Frequency >= BarSize.OneDay && request.DataLocation != DataLocation.ExternalOnly)
            {
                RaiseEvent(Error, this, new ErrorArgs(-1, "Warning: Requesting low-frequency data outside RTH should be done with DataLocation = ExternalOnly, data from local storage will be incorrect."));
            }

            request.RequestID = _requestCount++;

            lock (_pendingHistoricalRequestsLock)
            {
                PendingHistoricalRequests.Add(request);
            }

            _historicalDataRequests.Enqueue(request);
            return(request.RequestID);
        }