}//RequestStop()
//
//
//
//***********************************************
// **** RequestProductsToRecord() ****
//***********************************************
//
/// <summary>
/// Threadsafe call to request products to recorded.
///
/// Warning this need to be improved to take into account illiquid months!
/// </summary>
/// <param name="productRequest"></param>
/// <returns></returns>
public bool RequestProductsToRecord(ProductRequest productRequest)
{
DataHubRequest request = m_RequestFactory.Get();
request.Request = RequestCode.RequestProductsToRecord;
request.Data.Add(productRequest);
return(this.HubEventEnqueue(request));
}
//
//
/// <summary>
/// Given a ttOrder try and create a UV style order attempting to use
/// a recycle order each time.
/// </summary>
/// <param name="ttOrder"></param>
/// <param name="orderRecycler"></param>
/// <param name="uvOrder"></param>
/// <returns></returns>
public static bool TryConvert(Order ttOrder, RecycleFactory <UVOrder> orderRecycler, out UVOrder uvOrder)
{
bool isSuccess = true;
try
{
uvOrder = orderRecycler.Get(); // try and use a recycled order
if (ttOrder.BuySell == BuySell.Buy)
{
uvOrder.OriginalQtyConfirmed = ttOrder.OrderQuantity;
uvOrder.ExecutedQty = ttOrder.FillQuantity;
uvOrder.Side = UVOrder.BuySide;
}
else
{
uvOrder.OriginalQtyConfirmed = ttOrder.OrderQuantity * -1;
uvOrder.ExecutedQty = ttOrder.FillQuantity * -1;
uvOrder.Side = UVOrder.SellSide;
}
uvOrder.OrderTIF = ToUVTimeinForce(ttOrder.TimeInForce);
uvOrder.IPriceConfirmed = ttOrder.LimitPrice.ToTicks() / ttOrder.InstrumentDetails.SmallestTickIncrement;
uvOrder.TickSize = ToUVTickSize(ttOrder.InstrumentDetails);
uvOrder.OrderStateConfirmed = ToUVOrderState(ttOrder.TradeState);
}
catch (Exception)
{
isSuccess = false;
uvOrder = null;
}
return(isSuccess);
}
}//TryCreateNewBook()
//
//
// *************************************************************
// **** GetRequest() ****
// *************************************************************
/// <summary>
/// This utility method uses the RequestFactory for request to create
/// and clear a request for new use.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
protected MarketHubRequest GetRequest(MarketHubRequest.RequestType request)
{
MarketHubRequest eventArg = m_RequestFactory.Get();
eventArg.Request = request;
eventArg.Data.Clear();
return(eventArg);
}//GetRequest()
//
//
//
//
//
//
#endregion//Public Methods
#region Private Utility Methods
// *****************************************************************
// **** Private Methods ****
// *****************************************************************
//
//
/// <summary>
/// This method gives the caller a eventarg object to use. It may be new
/// or recycled from previous usage.
/// </summary>
/// <param name="requestType"></param>
/// <returns></returns>
private DropQueueWriterEventArgs GetRequest(DropQueueWriterRequestType requestType)
{
DropQueueWriterEventArgs eventArgs = m_Factory.Get();
eventArgs.Clear();
eventArgs.Request = requestType;
return(eventArgs);
}
//
//
//
#endregion//Private Methods
#region Private Methods
// *****************************************************************
// **** Private Methods ****
// *****************************************************************
//
//
//
//
// **** GetMessage() ****
//
protected Message GetMessage(MessageType type, MessageState state, params object[] args)
{
Message response = m_Messages.Get();
response.MessageType = type;
response.State = state;
if (args != null)
{
foreach (object o in args)
{
if (o is IStringifiable)
{
response.Data.Add((IStringifiable)o);
}
else if (o is List <IStringifiable> )
{
response.Data.AddRange((List <IStringifiable>)o);
}
}
}
return(response);
}//GetMessage()
//
//
#endregion//Constructors
#region no Properties
// *****************************************************************
// **** Properties ****
// *****************************************************************
//
//
#endregion//Properties
#region Public Methods
// *****************************************************************
// **** Public Methods ****
// *****************************************************************
//
//
// *************************************************
// **** Try Add() ****
// *************************************************
/// <summary>
/// Adds a copy of newOrder into this OrderPage.
/// </summary>
/// <param name="newOrder"></param>
/// <returns>true, if successful.</returns>
public bool TryAdd(Order newOrder)
{
bool isSuccess = true;
lock (m_Lock)
{
// Validate newOrder
if (m_OrdersById.ContainsKey(newOrder.Id)) // Check that we don't already have entry for this orderId
{
isSuccess = false;
}
if (this.OrderSide != newOrder.Side) // Check side of mkt is same as this book.
{
isSuccess = false;
}
// Accept order
if (isSuccess)
{
Order myOrder = m_OrderRecycleFactory.Get();
newOrder.CopyTo(myOrder);
int iPriceLevel = -this.OrderSign * myOrder.IPricePending; // Puts lowest (highest) priced sell (buy) orders at lowest price level
if (!m_OrdersByPendingPrice.ContainsKey(iPriceLevel))
{
if (m_RecyclingList.Count > 0)
{
List <int> recycledList = m_RecyclingList.Dequeue();
recycledList.Clear();
m_OrdersByPendingPrice.Add(iPriceLevel, recycledList);
}
else
{
m_OrdersByPendingPrice.Add(iPriceLevel, new List <int>());
}
}
newOrder.OrderStatePending = OrderState.Submitted; // set pending state to submitted.
myOrder.OrderStatePending = OrderState.Submitted;
m_OrdersByPendingPrice[iPriceLevel].Add(myOrder.Id); // add to price-list
m_OrdersById.Add(myOrder.Id, myOrder); // add to id-list.
}
}
// Exit
return(isSuccess);
}//Add().
}//CreateOrderBook()
//
//
// *****************************************
// **** TryCreateOrder ****
// *****************************************
/// <summary>
/// The caller wants to create an order. After creation, the order must be submitted
/// to the specific OrderBook to be managed.
/// </summary>
/// <param name="instrumentName"></param>
/// <returns></returns>
public virtual bool TryCreateOrder(InstrumentName instrumentName, int tradeSide, int iPrice, int qty, out Order newOrder)
{
newOrder = null;
if ((UV.Lib.Utilities.QTMath.MktSideToMktSign(tradeSide) * qty) < 0)
{ // this means our signs are incorrect!
Log.NewEntry(LogLevel.Error, "Attempt to Create Order For Instrument {0} Failed, Mismatched Sides and Qtys", instrumentName);
return(false);
}
OrderInstrument orderInstrument;
if (m_OrderInstruments.TryGetValue(instrumentName, out orderInstrument))
{
newOrder = m_OrderRecycleFactory.Get();
newOrder.Instrument = instrumentName;
newOrder.Id = Order.GetNextId();
newOrder.Side = tradeSide;
newOrder.OriginalQtyPending = qty;
newOrder.IPricePending = iPrice;
newOrder.TickSize = orderInstrument.Details.TickSize;
newOrder.OrderType = OrderType.LimitOrder;
}
// Exit.
return(newOrder != null);
}//CreateOrderBook()
}// ProcessSyntheticOrder()
//
//
//
//
//
#endregion//Public Methods
#region Private Methods
// *****************************************************************
// **** Private Methods ****
// *****************************************************************
//
//
//
//
//
// *********************************************************************
// **** DistributeFillsToQuoters() ****
// *********************************************************************
/// <summary>
/// This distibutes fills in the list to those quotes provided in the list quotes.
/// In the process of distrubuting, the fills are removed from the first list, and the
/// quote quantities are reduced. PricingEngines that will receive the fills are
/// added to the "distributedFills" dictionary. Also, the net position[] array is updated and
/// fill messages are added to the query.
/// </summary>
/// <param name="fillsToDistribute">fills that will be distributed</param>
/// <param name="quotes">quotes that will be distributed to.</param>
/// <param name="query"></param>
/// <param name="distributedFills"></param>
/// <param name="position"></param>
protected void DistributeFillsToQuoters(ref List <Fill> fillsToDistribute, ref List <Quote> quotes,
ref FillsQuery query, ref Dictionary <Quote, List <Fill> > distributedFills, ref int[] position)
{
DateTime localTime = ParentStrategy.StrategyHub.GetLocalTime();
int quoter = 0;
while (quoter < quotes.Count && fillsToDistribute.Count > 0)// loop thru each quoter until fills gone.
{
Quote quote = quotes[quoter];
Log.AppendEntry(" [{0}]", quote);
Fill fill = fillsToDistribute[0]; // consider first fill.
if (fill.Qty == 0)
{ // this should never happen.
Log.AppendEntry(" Removed empty fill {0}.", fill);
fillsToDistribute.Remove(fill);
continue;
}
int tradeSign = Math.Sign(fill.Qty);
int tradeSide = QTMath.MktSignToMktSide(tradeSign);
//
// Determine how much to allocate to this quoter.
//
Fill allocatedFill = null; // fill to allocate to quoter.
int remainingQty = fill.Qty; // qty to be added back to fills list.
if (quote.Side != tradeSide)
{ // This is an error. Never allocate a fill to a quote for the other side of mkt!
Log.AppendEntry(" wrong-side {0}.", QTMath.MktSideToLongString(quote.Side));
}
//else if (forceFillAbsQty != 0)
//{ // Here, we are forcing fills to be allocated even to quoters who have qty = 0.
// remainingQty = tradeSign * Math.Max(0, Math.Abs(fill.Qty) - forceFillAbsQty); // force up to full qty.
//}
else if (quote.Reason != QuoteReason.Entry && quote.Qty != 0)
{ // Normal non-entry request. Try to fill this quote as much as possible completely.
remainingQty = tradeSign * Math.Max(0, (fill.Qty - quote.Qty) * tradeSign);
Log.AppendEntry(" taking {0}, remaining {1},", quote.Qty, remainingQty);
}
else if (quote.Reason == QuoteReason.Entry && quote.Qty != 0)
{ // Normal entry request. Don't allow entries to violet position limit!
int allowedEntryQty = tradeSign * Math.Max(0, m_MaxPosition - Math.Abs(position[tradeSide]));
//remainingQty = tradeSign * Math.Max(0, (allowedEntryQty - quote.Qty) * tradeSign);
int qtyWeCanTake = Math.Min(Math.Abs(allowedEntryQty), Math.Abs(quote.Qty)) * tradeSign;
remainingQty = tradeSign * Math.Max(0, (fill.Qty - qtyWeCanTake) * tradeSign);
Log.AppendEntry(" taking {0}, remaining {1},", qtyWeCanTake, remainingQty);
}
//
// Allocate the fill
//
if (remainingQty == 0)
{ // This fill is completely consumed by the quoter.
fillsToDistribute.Remove(fill); // remove fill from list.
allocatedFill = fill;
}
else if (remainingQty == fill.Qty)
{ // No qty was consumed at all!?!
allocatedFill = null;
}
else
{ // This fill is only partially consumed.
fillsToDistribute.Remove(fill); // remove original fill from list.
Fill remainingFill = Fill.Create(fill);
remainingFill.Qty = remainingQty;
fillsToDistribute.Insert(0, remainingFill); // First, replace the unused portion back onto list.
allocatedFill = Fill.Create(fill);
allocatedFill.Qty = fill.Qty - remainingQty; // Allocate the consumed portion.
}
if (allocatedFill != null && allocatedFill.Qty != 0)
{
Log.AppendEntry(" filled {1}.", quote.PricingEngine.EngineName, allocatedFill);
List <Fill> fills;
if (distributedFills.TryGetValue(quote, out fills) == false)
{ // No fills had be distributed to this quote previously.
fills = m_FillListRecycling.Get();
fills.Clear();
distributedFills.Add(quote, fills);
}
fills.Add(allocatedFill);
position[quote.Side] += allocatedFill.Qty;
quote.Qty = tradeSign * Math.Max(0, tradeSign * (quote.Qty - allocatedFill.Qty));
string msgStr = quote.FillAttribution();
query.AddItemToWrite(ParentStrategy.SqlId, -1, localTime, m_Services.User, quote.PricingEngine.EngineName, msgStr, allocatedFill.Qty, allocatedFill.Price);
}
else
{
Log.AppendEntry(" skipped.");
}
quoter++; // otherwise move to next quoter
}// next quoter
}//DistributeFillsToQuoters()
//
#endregion//Properties
#region Public Methods
// *****************************************************************
// **** Public Methods ****
// *****************************************************************
//
//
//
//
// *****************************************
// **** Quote() ****
// *****************************************
/// <summary>
/// Method called by PricingEngine to request a change in quoting
/// for a particular, side, price and qty.
/// Sending a quote with only tradeSide will remove quote from price list.
///
/// Generally,s pricingEngines that don't want to quote a qty should still quote their target price.
/// This allows overfills to be distributed to the pricing engine that can best use it.
/// </summary>
/// <param name="pricingEngine"></param>
/// <param name="tradeSide"></param>
/// <param name="price"></param>
/// <param name="qty">signed integer</param>
/// <param name="quoteReason">user chosen quote reason.</param>
public virtual void Quote(PricingEngine pricingEngine, int tradeSide, double price = double.NaN, int qty = 0,
QuoteReason quoteReason = QuoteReason.None)
{
// Compute quote variables.
int tradeSign = UV.Lib.Utilities.QTMath.MktSideToMktSign(tradeSide);
bool isPriceListed = (double.IsNaN(price) == false && double.IsInfinity(price) == false);
int iPriceNew = 0;
if (isPriceListed)
{
iPriceNew = tradeSign * (int)System.Math.Floor(tradeSign * price / m_QuoteTickSize); // integerized price!
}
// Get this engines quote object from our master list.
Quote quote = null;
if (!m_Quotes[tradeSide].TryGetValue(pricingEngine, out quote)) // we store quotes for each side of mkt.
{ // Apparently this is the first quote call from this engine.
quote = new Quote();
m_Quotes[tradeSide].Add(pricingEngine, quote);
quote.PricingEngine = pricingEngine; // set constant vars.
quote.Side = tradeSide;
if (m_FirstPriceEngine == null)
{
m_FirstPriceEngine = pricingEngine;
}
}
bool isPriceListedPrev = quote.IsPriceListed;
int iPricePrev = quote.IPrice;
int qtyPrev = quote.Qty;
// Test validity of qty value
if (tradeSign * qty < 0)
{
qty = 0;
}
// Determine if this quote has changed.
// isPriceChanged = should contain all reasons the quotes location in book might change.
bool isPriceChanged = (isPriceListed != isPriceListedPrev) || (iPriceNew != iPricePrev) || (quote.Reason != quoteReason);
bool doesThisChangeRequireQuoteUpdating = (qty != qtyPrev) || (isPriceChanged);
m_IsQuoteSideUpdateRequired[tradeSide] = m_IsQuoteSideUpdateRequired[tradeSide] || doesThisChangeRequireQuoteUpdating; // true if ANY PricingEngines quotes have changed since last update.
// If the price has changed, and it should have been in our price list,
// we need to remove it from its old location in price list.
if (isPriceChanged && isPriceListedPrev)
{
RemoveQuoteFromListing(tradeSide, quote);
}
// Update the quote with the new price/qty
quote.IsPriceListed = isPriceListed;
quote.IPrice = iPriceNew;
quote.RawPrice = price;
quote.Qty = qty;
quote.Reason = quoteReason;
quote.FillAttributeStr.Clear();
quote.FillAttributeStr.Append(pricingEngine.GetFillAttributeString());
// Now add quote to new price location, if necessary.
if (isPriceChanged && isPriceListed)
{ // We need to add it since its price has changed, and it price is valid now.
List <Quote> quoteList = null;
int priceKey = -tradeSign * iPriceNew;
if (!m_QuotesByPrice[tradeSide].TryGetValue(priceKey, out quoteList)) // get all quotes at this price
{ // There are no previous quotes at this price, create new list.
quoteList = m_QuoteListRecycling.Get();
quoteList.Clear();
m_QuotesByPrice[tradeSide].Add(priceKey, quoteList);
}
// Add quote to list at this price.
if (quote.Reason == QuoteReason.Exit || quote.Reason == QuoteReason.Stop)
{
quoteList.Insert(0, quote); // put these in the front of the list.
}
else
{
quoteList.Add(quote); // add these to end of list.
}
}
}//Quote()
//
//
//
//
//
// *********************************************************
// **** CreateBar() ****
// *********************************************************
/// <summary>
/// This is called each time a bar must be created from a snapshot of the current market.
/// New bars are pushed into the BarEventArg.BarList queue and handed to the QueryBuilder
/// for query creation and writing.
/// Called by internal hub thread.
/// </summary>
private void CreateBar(DateTime barTime)
{
//Log.NewEntry(LogLevel.Minor, "DataHub: CreateBar - Bar Creation Started");
BarEventArgs eArg = m_BarEventFactory.Get(); // new version GetBarEventArg();
eArg.unixTime = (int)Utilities.QTMath.DateTimeToEpoch(barTime.ToUniversalTime()); //round this to the floor.
Log.NewEntry(LogLevel.Minor, "CreateBar: Attempting to create bar for timestamp {0} - miliseconds = {1}", eArg.unixTime, barTime.Millisecond);
if ((eArg.unixTime - m_LastBarTimeStamp) > 1)
{ // we have stepped through time in some interval greater than a second....create email alert for debugging purposes
DatabaseWriterEventArgs emailEvent = new DatabaseWriterEventArgs();
emailEvent.Request = DatabaseWriterRequests.SendEmail;
emailEvent.QueryBase.AppendFormat("Data Hub Missed Timestamp. Current timestamp={0} and last timestamp={1} difference is {2} seconds", eArg.unixTime, m_LastBarTimeStamp, eArg.unixTime - m_LastBarTimeStamp);
m_DatabaseWriterHub.HubEventEnqueue(emailEvent);
}
m_LastBarTimeStamp = eArg.unixTime;
//
// Get markets now.
//
UV.Lib.BookHubs.Book aBook;
if (m_Market.TryEnterReadBook(out aBook))
{
foreach (KeyValuePair <int, UV.Lib.BookHubs.Market> aBookMarket in aBook.Instruments)
{
int mySQLID = -1;
if (m_InstrumentsRequested.Contains(aBookMarket.Value.Name) && m_InstrToMySQLID.TryGetValue(aBookMarket.Value.Name, out mySQLID))
{ // we would like to record data for this instrument
if (aBookMarket.Value.Qty[(int)UV.Lib.Utilities.QTMath.BidSide][0] == 0 ||
aBookMarket.Value.Qty[(int)UV.Lib.Utilities.QTMath.AskSide][0] == 0)
{// we have bad data this can happen sometimes in between sessions..
//Log.NewEntry(LogLevel.Major, "CreateBar: Bid Or Ask qty for {0} is equal To zero, skipping bar", aBookMarket.Value.Name);
continue;
}
Bar aBar = m_BarFactory.Get(); // grab a bar!
aBar.mysqlID = mySQLID; // set instrument id
aBar.bidPrice = aBookMarket.Value.Price[(int)UV.Lib.Utilities.QTMath.BidSide][0]; // set best bid
aBar.askPrice = aBookMarket.Value.Price[(int)UV.Lib.Utilities.QTMath.AskSide][0]; // set best ask
aBar.bidQty = aBookMarket.Value.Qty[(int)UV.Lib.Utilities.QTMath.BidSide][0]; // set best bidqty
aBar.askQty = aBookMarket.Value.Qty[(int)UV.Lib.Utilities.QTMath.AskSide][0]; // set best askqty
aBar.lastTradePrice = aBookMarket.Value.LastPrice;
aBar.sessionVolume = aBookMarket.Value.Volume[(int)UV.Lib.Utilities.QTMath.LastSide];
aBar.longVolume = aBookMarket.Value.Volume[(int)UV.Lib.Utilities.QTMath.BidSide];
aBar.shortVolume = aBookMarket.Value.Volume[(int)UV.Lib.Utilities.QTMath.AskSide];
aBar.totalVolume = aBar.longVolume + aBar.shortVolume + aBookMarket.Value.Volume[(int)UV.Lib.Utilities.QTMath.UnknownSide];
aBar.sessionCode = Convert.ToInt32(aBookMarket.Value.IsMarketGood); // flag for trading ==1 or not trading==0
eArg.BarList.Enqueue(aBar);
}
}
m_Market.ExitReadBook(aBook);
}
else
{ // something went wrong here!
Log.NewEntry(LogLevel.Error, " ********* CreateBar: FAILED TO OBTAIN READ FOR BOOK! *********");
}
if (eArg.BarList.Count > 0 && !m_IsDebugMode) // do not write to db in debug mode.
{
m_QueryBuilderHub.HubEventEnqueue(eArg);
}
}//CreateBar().