private void SendMsgC(NseMsg nseMsg)
{
nseMsg.SerializeType = Convert.ToByte('C'); // Chunk
lock (_thisLock)
{
_chunk.CWriter.Write(nseMsg.SerializeType);
_chunk.CWriter.Write(nseMsg.MarketType);
_chunk.CWriter.Write(nseMsg.LogTime);
_chunk.CWriter.Write(nseMsg.BcSeqNo);
_chunk.CWriter.Write(nseMsg.TransCode);
_chunk.CWriter.Write(nseMsg.DataLength);
_chunk.CWriter.Write(nseMsg.Data);
}
CheckAndSendChunk();
}
private void SendMsgR(NseMsg nseMsg)
{
nseMsg.SerializeType = Convert.ToByte('R'); // single Record
byte[] serializedMsg;
using (var stream = new MemoryStream())
{
var writer = new BinaryWriter(stream);
writer.Write(nseMsg.SerializeType);
writer.Write(nseMsg.MarketType);
writer.Write(nseMsg.LogTime);
writer.Write(nseMsg.BcSeqNo);
writer.Write(nseMsg.TransCode);
writer.Write(nseMsg.DataLength);
writer.Write(nseMsg.Data);
serializedMsg = stream.ToArray();
}
_formMCastSender.SendRaw(serializedMsg, serializedMsg.Length);
}
private void DumpNseMsg(NseMsg nseMsg)
{
nseMsg.SerializeType = Convert.ToByte('R'); // single Record
byte[] serializedMsg;
using (var stream = new MemoryStream())
{
var writer = new BinaryWriter(stream);
writer.Write(nseMsg.SerializeType);
writer.Write(nseMsg.MarketType);
writer.Write(nseMsg.LogTime);
writer.Write(nseMsg.BcSeqNo);
writer.Write(nseMsg.TransCode);
writer.Write(nseMsg.DataLength);
writer.Write(nseMsg.Data);
serializedMsg = stream.ToArray();
}
var recType = new byte[1];
recType[0] = nseMsg.MarketType;
// send nseMsg
}
private void ProcessPacket(structNNFHeader header, byte[] packetData, bool decompressed)
{
var dataLen = packetData.Length;
var processedLen = 0;
using (var dstream = new MemoryStream(packetData))
{
var reader = new BinaryReader(dstream);
var msgHeader = new StructMsgHeader();
var res = reader.ReadBytes(8);
if (decompressed && res[0] != header.MarketType)
{
LogText("Error", res[0] + "," + header.MarketType);
}
processedLen += 8;
msgHeader.Res1 = reader.ReadBytes(4);
var intBytes = reader.ReadBytes(4);
msgHeader.LogTime = ExchDataNse.SwapBytes2Int32(intBytes);
msgHeader.Alpha1 = reader.ReadByte();
msgHeader.Alpha2 = reader.ReadByte();
intBytes = reader.ReadBytes(2);
msgHeader.TransCode = ExchDataNse.SwapBytes2Int16(intBytes);
intBytes = reader.ReadBytes(2);
msgHeader.ErrorCode = ExchDataNse.SwapBytes2Int16(intBytes);
intBytes = reader.ReadBytes(4);
msgHeader.BcSeqNo = ExchDataNse.SwapBytes2Int32(intBytes);
msgHeader.Res3 = reader.ReadBytes(4);
msgHeader.TimeStamp2 = reader.ReadBytes(8);
msgHeader.Filler = reader.ReadBytes(8);
intBytes = reader.ReadBytes(2);
msgHeader.Length = ExchDataNse.SwapBytes2Int16(intBytes);
processedLen += 40;
var readSize = Math.Min(msgHeader.Length - 40, dataLen - processedLen);
if (msgHeader.LogTime > 0)
{
if (header.MarketType == 4) // CM
{
_lastLogTimeCm = msgHeader.LogTime;
}
else if (header.MarketType == 2) // FO
{
_lastLogTimeFo = msgHeader.LogTime;
}
else if (header.MarketType == 6) // CF
{
_lastLogTimeCF = msgHeader.LogTime;
}
}
else
{
if (header.MarketType == 2) // FO
{
msgHeader.LogTime = _lastLogTimeFo;
}
else if (header.MarketType == 4) // CM
{
msgHeader.LogTime = _lastLogTimeCm;
}
else if (header.MarketType == 6) // CF
{
msgHeader.LogTime = _lastLogTimeCF;
}
}
var nseMsg = new NseMsg();
if (readSize >= 0)
{
nseMsg.MarketType = header.MarketType;
nseMsg.LogTime = msgHeader.LogTime;
nseMsg.BcSeqNo = msgHeader.BcSeqNo; // local seqNo?
nseMsg.TransCode = msgHeader.TransCode;
nseMsg.DataLength = (short)readSize;
nseMsg.Data = reader.ReadBytes(readSize);
if (_chunkMode)
{
SendMsgC(nseMsg);
}
else
{
SendMsgR(nseMsg);
}
if (_saveDump)
{
DumpNseMsg(nseMsg);
}
if (checkBoxShow.Checked)
{
LogText("Msg", header.ToDisplay() + "," + nseMsg.ToDisplay());
}
}
else
{
LogText("Error", header.ToDisplay() + "," + msgHeader.ToDisplay() + "," + readSize, true);
}
}
}