/// <summary>
/// 股票封包解碼
/// </summary>
/// <param name="item">StockEvent類別</param>
internal static void Decode(StockEvent item)
{
switch (item.Type)
{
case 0x00:
MitakeStorage.Storage.Clear(); //伺服器清盤(客戶端收到也立即清盤)
break;
case 0x30:
Decode_S30.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
case 0x31:
case 0x41:
case 0xb1:
case 0x3e:
case 0xbe:
Decode_S31.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
case 0x32:
Decode_S32.Decode(MitakeStorage.Storage.GetIndex(item.Serial), item.Source);
break;
case 0x33:
Decode_S33.Decode(MitakeStorage.Storage.GetIndex(item.Serial), item.Source);
break;
case 0xb3:
Decode_SB3.Decode(MitakeStorage.Storage.GetIndex(item.Serial), item.Source);
break;
case 0x34:
Decode_S34.Decode(MitakeStorage.Storage.GetIndex(item.Serial), item.Source);
break;
case 0x36:
Decode_S36.Decode(MitakeStorage.Storage.GetIndex(item.Serial), item.Source);
break;
case 0x37:
Decode_S37.Decode(item.Serial, item.Source);
break;
case 0x38:
Decode_S38.Decode(item.Serial, item.Source);
break;
case 0x3b:
case 0x42:
case 0xbb:
case 0x3f:
case 0xbf:
Decode_S3B.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
case 0x3c:
Decode_S3C.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
case 0x3d:
Decode_S3D.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
case 0xf1:
Decode_SF1.Decode(MitakeStorage.Storage.GetQuote(item.Serial), item.Source);
break;
default:
break;
}
}
internal static void Decode(MitakeQuote stock, PacketBuffer buffer)
{
DateTime cTime;
bool isHave = false;
int iSerial = 0;
float fReferPrice = 0;
byte bType = 0, bMode = 0, bVType = 0, bFlag = 0;
MitakeQuoteTick cTick = null;
int iSize = buffer.Length - 2;
byte bSType = buffer.Data[6];
buffer.Position = 7;
if ((bSType & 0xf) == 11)
{
iSerial = ((buffer[0] << 8) + buffer[1]);
buffer.Position = 9;
}
else
{
iSerial = (buffer[0] << 16) + (buffer[1] << 8) + buffer[2];
buffer.Position = 10;
}
do
{
if (bSType == 0x42)
{
bType = 1;
cTime = Time.GetSpecial(buffer);
}
else
{
//取得類型
bType = BitConvert.GetValue(buffer[0], 7, 1);
//取得時間
if ((bSType & 0x80) == 0)
{
cTime = Time.GetTime(buffer);
}
else
{
cTime = Time.GetOther(buffer);
}
}
isHave = stock.GetMitakeTick(iSerial, ref cTick);
cTick.Time = cTime;
bFlag = buffer[0]; //取得價量旗標
++buffer.Position;
cTick.類型 = bType; //類型 0=即時 1=盤後(此封包為盤後封包)
//買賣型態(0=無法區分 1=買盤量 2=賣盤量)
bVType = BitConvert.GetValue(bFlag, 2, 2);
cTick.買賣盤 = bVType;
//取得成交價模式
bMode = BitConvert.GetValue(bFlag, 6, 2);
cTick.Price = Price.GetPrice(bMode, buffer, ref fReferPrice);
Decode_S31.CalculatePrice(stock, iSerial, cTick.Price); //計算 開盤 最高 最低
//取得單量模式
bMode = BitConvert.GetValue(bFlag, 4, 2);
cTick.Single = Volumn.GetVolumn(bMode, buffer);
//取得委買價
cTick.Bid = new DOMPrice(cTick.Price - EntrustPrice(BitConvert.GetValue(bFlag, 1, 1), buffer), cTick.Bid.Size);
//取得委賣價
cTick.Ask = new DOMPrice(cTick.Price + EntrustPrice(BitConvert.GetValue(bFlag, 0, 1), buffer), cTick.Ask.Size);
//修正總成交量(伺服器會傳輸回補修正封包, 需要重新修正總成交量)
MitakeQuoteTick cPrevTick = stock.GetPreviousTick(iSerial);
cTick.Volume = ((cPrevTick == null) ? 0d : cPrevTick.Volume) + cTick.Single;
if (!isHave)
{
stock.今日總成交額 += cTick.Price * cTick.Single;
}
++iSerial;
} while (buffer.Position < iSize); //End While
}