private void loadMessages(EMDRData edata, bwWorkerArgs bwinargs)
{
emdrDSTableAdapters.emdrHistoryDataTableAdapter hisTblAdptr= new emdrDSTableAdapters.emdrHistoryDataTableAdapter();
emdrDSTableAdapters.emdrOrderDataTableAdapter ordTblAdptr = new emdrDSTableAdapters.emdrOrderDataTableAdapter();
hisTblAdptr.Connection.ConnectionString = bwinargs.ConnStr;
ordTblAdptr.Connection.ConnectionString = bwinargs.ConnStr;
foreach (Rowset rs in edata.Rowsets)
{
if (bwinargs.CaptureHistory)
{
foreach (History hs in rs.HistoryRows)
{
hisTblAdptr.insEmdrHistoryData((int)rs.RegionID, rs.TypeID, hs.Date, hs.DateLocalTime,
hs.Orders, hs.Quantity, hs.High, hs.Low, hs.Average);
}
}
if (bwinargs.CaptureOrders)
{
foreach (Order or in rs.OrderRows)
{
if (bwinargs.MergeDupes)
{
//We are merging duplicates (i.e. keeping newest record only)
ordTblAdptr.mergeEMDROrderData((int)rs.RegionID, rs.TypeID,
rs.GeneratedAt, rs.GeneratedAtLocalTime,
or.IssueDate, or.IssueDateLocalTime, (int)or.SolarSystemID,
or.StationID, or.OrderID, or.Range, or.VolEntered, or.VolRemaining, or.MinVolume, or.Price,
or.Duration, BitConverter.GetBytes(or.Bid)[0]);
}
else
{
//Capturing everything, something else is dealing with the multiple rows per orderid
ordTblAdptr.Insert((int)rs.RegionID, rs.TypeID,
rs.GeneratedAt, rs.GeneratedAtLocalTime,
or.IssueDate, or.IssueDateLocalTime, (int)or.SolarSystemID,
or.StationID, or.OrderID, or.Range, or.VolEntered, or.VolRemaining, or.MinVolume, or.Price,
or.Duration, BitConverter.GetBytes(or.Bid)[0]);
}
}
}
}
return;
}
public void getMarketData(object sender, DoWorkEventArgs e)
{
//int recCnt = 0;
bwWorkerArgs inArgs = (bwWorkerArgs)e.Argument;
Int64 histcnt = 0;
Int64 ordcnt = 0;
using (var context = new Context())
{
using (var sub = context.Socket(SocketType.SUB))
{
List<EMDRData> emdr = new List<EMDRData>();
BackgroundWorker worker = sender as BackgroundWorker;
//Connect to the first publicly available relay.
sub.Connect(inArgs.EMDRServer);
// Disable filtering.
sub.SetSockOpt(SocketOpt.SUBSCRIBE, Encoding.UTF8.GetBytes(""));
while (worker.CancellationPending == false)
{
try
{
// Receive compressed raw market data.
var receivedData = sub.Recv();
// The following code lines remove the need of 'zlib' usage;
// 'zlib' actually uses the same algorith as 'DeflateStream'.
// To make the data compatible for 'DeflateStream', we only have to remove
// the four last bytes which are the adler32 checksum and
// the two first bytes which are the 'zlib' header.
byte[] decompressed;
byte[] choppedRawData = new byte[(receivedData.Length - 4)];
Array.Copy(receivedData, choppedRawData, choppedRawData.Length);
choppedRawData = choppedRawData.Skip(2).ToArray();
// Decompress the raw market data.
using (MemoryStream inStream = new MemoryStream(choppedRawData))
using (MemoryStream outStream = new MemoryStream())
{
DeflateStream outZStream = new DeflateStream(inStream, CompressionMode.Decompress);
outZStream.CopyTo(outStream);
decompressed = outStream.ToArray();
}
// Transform data into JSON strings.
string marketJson = Encoding.UTF8.GetString(decompressed);
// Un-serialize the JSON data to a dictionary.
var serializer = new JavaScriptSerializer();
//emdr[recCnt] = new EMDRData(serializer.Deserialize<Dictionary<string, object>>(marketJson));
EMDRData eData = new EMDRData(serializer.Deserialize<Dictionary<string, object>>(marketJson));
//recCnt++;
loadMessages(eData, inArgs);
foreach (Rowset rs in eData.Rowsets)
{
histcnt += rs.HistoryRows.Count;
ordcnt += rs.OrderRows.Count;
}
worker.ReportProgress(1, new bwResponse(histcnt, ordcnt));
}
catch (ZMQ.Exception ex)
{
throw ex;
}
}
e.Cancel = true;
}
}
}
