/// <summary>
/// 插入資訊
/// </summary>
/// <param name="series">SeriesSymbolData 類別</param>
/// <param name="date">欲插入的日期(資料會被插入至該指定的日期前)</param>
internal void Insert(SeriesSymbolData series, DateTime date)
{
try {
string sFile = string.Format("{0}\\{1}\\{2}", __sPath, (series.DataRequest.Resolution.TotalSeconds < Resolution.MAX_BASE_TOTALSECONDS) ? "mins" : "days", series.DataRequest.Symbol);
using (FileStream cStream = new FileStream(sFile, (__bCreate) ? FileMode.Create : FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
bool bFind = false;
if (!__bCreate)
{
long lCount = cStream.Length / MAX_BLOCK_SIZE;
bFind = FileSearchUtil.BinaryNearSearch(cStream, lCount, MAX_BLOCK_SIZE, date);
}
if (bFind)
{
long lCurrentP = cStream.Position;
//先保留後面的資料以便插入時不會被覆蓋
long lRevSize = cStream.Length - lCurrentP;
ZBuffer cTemp = new ZBuffer((int)lRevSize);
cStream.Read(cTemp.Data, 0, (int)lRevSize);
cTemp.Length = (int)lRevSize;
cStream.SetLength(lCurrentP + 1);
cStream.Position = lCurrentP; //移動置固定位置
ZBuffer cBuffer = new ZBuffer(64);
int iHistoryIndex = series.Indexer.HistoryIndex;
int iCount = series.Count;
for (int i = 0; i < iCount; i++)
{
int iIndex = iHistoryIndex + i;
cBuffer.Length = 0;
cBuffer.Add(series.Time[iIndex]);
cBuffer.Add(series.Open[iIndex]);
cBuffer.Add(series.High[iIndex]);
cBuffer.Add(series.Low[iIndex]);
cBuffer.Add(series.Close[iIndex]);
cBuffer.Add(series.Volume[iIndex]);
cStream.Write(cBuffer.Data, 0, cBuffer.Length);
}
cStream.Write(cTemp.Data, 0, cTemp.Length); //再將後面的資料合併
}
}
if (logger.IsInfoEnabled)
{
logger.InfoFormat("[FileWrite] {0} insert completed... count={1}", sFile, series.Count);
}
} catch (Exception __errExcep) {
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("[FileWrite] '{0}' insert error...", series.DataRequest.Symbol, series.Count);
}
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("{0}/r/n{1}", __errExcep.Message, __errExcep.StackTrace);
}
}
}
private void Dispose(bool disposing)
{
if (!this.__bDisposed)
{
__bDisposed = true;
if (disposing)
{
__cExchange = null;
__cSymbolBuffer = null;
}
}
}
/// <summary>
/// 讀取Response資料
/// </summary>
/// <returns>返回值：網頁內容</returns>
internal string ReadText()
{
string sText = string.Empty;
ZBuffer cBuffer = this.Read();
if (cBuffer != null)
{
sText = Encoding.GetEncoding(this.Charset).GetString(cBuffer.Data,
0,
cBuffer.Length);
}
return(sText);
}
/// <summary>
/// 請求商品歷史資料
/// </summary>
/// <param name="e">資料請求事件</param>
protected internal override void Request(DataRequestEvent e)
{
InstrumentDataRequest cDataRequest = this.DataRequest;
DateTime[] cRanges = e.Ranges;
ZRequest cRequest = new ZRequest();
cRequest.Method = "POST";
cRequest.Url = __sHttpUrl;
cRequest.Parameters = string.Format("exchange={0}&symbolId={1}&timeFrame={2}&position={3}&startDate={4}&endDate={5}&count={6}", cDataRequest.Exchange, cDataRequest.Symbol, cDataRequest.Resolution.TotalSeconds, this.Position, cRanges[0].ToString("yyyy-MM-dd"), cRanges[1].ToString("yyyy-MM-dd"), e.Count);
cRequest.CookieContainer = __cCookies;
int iRet = cRequest.Request();
if (iRet == 0)
{
ZReader cReader = new ZReader(cRequest.Response);
e.Result = cReader.Result;
if (cReader.Result == 0)
{
int iCount = e.Count = cReader.Count;
this.AdjustSize(iCount);
ZBuffer cBuffer = cReader.Read();
while (--iCount >= 0)
{
cBuffer.Position = iCount * DATA_BLOCK_SIZE;
DateTime cDate = cBuffer.GetDateTime();
double dOpen = cBuffer.GetDouble();
double dHigh = cBuffer.GetDouble();
double dLow = cBuffer.GetDouble();
double dClose = cBuffer.GetDouble();
double dVolume = cBuffer.GetDouble();
this.AddSeries(cDate, dOpen, dHigh, dLow, dClose, dVolume);
}
this.Position = cReader.Position;
e.Ranges[0] = cReader.BeginDate;
e.Ranges[1] = cReader.EndDate;
if (this.Position == 0)
{
e.IsAlreadyRequestAllData = true;
}
}
}
}
/// <summary>
/// 讀取Response資料
/// </summary>
/// <returns>返回值：ZBuffer類別(null=讀取失敗)</returns>
internal ZBuffer Read()
{
if (__cResponse == null)
{
return(null);
}
try {
int iLength = 0;
Stream cStream = __cResponse.GetResponseStream();
if (__cResponse.ContentEncoding.Equals("gzip"))
{
if (logger.IsDebugEnabled)
{
logger.Debug("ZReader.Read: 封包資料有使用gzip壓縮編碼，建立GZip解碼物件...");
}
cStream = new GZipStream(cStream, CompressionMode.Decompress);
}
//建立緩衝區
byte[] cTemps = new byte[8192];
ZBuffer cBuffer = new ZBuffer(__iDataSize + 2);
do
{
iLength = cStream.Read(cTemps, 0, 8192);
if (iLength > 0)
{
cBuffer.Add(cTemps, 0, iLength);
}
} while (iLength != 0);
cStream.Close(); //關閉資料流
cStream.Dispose(); //釋放資源
__cResponse = null; //釋放資源
if (logger.IsDebugEnabled)
{
logger.DebugFormat("ZReader.Read: dataLength={0}", cBuffer.Length);
}
return(cBuffer);
} catch (System.Exception __errExcep) {
logger.ErrorFormat("{0}\r\n{1}", __errExcep.StackTrace, __errExcep.Message);
return(null);
}
}
internal void Write(SeriesSymbolData series)
{
try {
string sFile = string.Format("{0}\\{1}\\{2}", __sPath, (series.DataRequest.Resolution.TotalSeconds < Resolution.MAX_BASE_TOTALSECONDS) ? "mins" : "days", series.DataRequest.Symbol);
using (FileStream cStream = new FileStream(sFile, (__bCreate) ? FileMode.Create : FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
if (!__bCreate)
{
long lCount = cStream.Length / MAX_BLOCK_SIZE;
if (lCount > 0)
{
FileSearchUtil.BinarySearch(cStream, lCount, MAX_BLOCK_SIZE, series.Time[0]);
}
}
ZBuffer cBuffer = new ZBuffer(64);
int iHistoryIndex = series.Indexer.HistoryIndex;
int iCount = series.Count;
for (int i = 0; i < iCount; i++)
{
int iIndex = iHistoryIndex + i;
cBuffer.Length = 0;
cBuffer.Add(series.Time[iIndex]);
cBuffer.Add(series.Open[iIndex]);
cBuffer.Add(series.High[iIndex]);
cBuffer.Add(series.Low[iIndex]);
cBuffer.Add(series.Close[iIndex]);
cBuffer.Add(series.Volume[iIndex]);
cStream.Write(cBuffer.Data, 0, cBuffer.Length);
}
}
if (logger.IsInfoEnabled)
{
logger.InfoFormat("[FileWrite] {0} write completed... count={1}", sFile, series.Count);
}
} catch (Exception __errExcep) {
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("[FileWrite] '{0}' write error...", series.DataRequest.Symbol, series.Count);
}
if (logger.IsErrorEnabled)
{
logger.ErrorFormat("{0}/r/n{1}", __errExcep.Message, __errExcep.StackTrace);
}
}
}
/// <summary>
/// 讀取Response資料
/// </summary>
/// <returns>返回值：ZBuffer類別(null=讀取失敗)</returns>
internal ZBuffer Read() {
if (__cResponse == null) {
return null;
}
try {
int iLength = 0;
Stream cStream = __cResponse.GetResponseStream();
if (__cResponse.ContentEncoding.Equals("gzip")) {
if (logger.IsDebugEnabled) logger.Debug("ZReader.Read: 封包資料有使用gzip壓縮編碼，建立GZip解碼物件...");
cStream = new GZipStream(cStream, CompressionMode.Decompress);
}
//建立緩衝區
byte[] cTemps = new byte[8192];
ZBuffer cBuffer = new ZBuffer(__iDataSize + 2);
do {
iLength = cStream.Read(cTemps, 0, 8192);
if (iLength > 0) {
cBuffer.Add(cTemps, 0, iLength);
}
} while (iLength != 0);
cStream.Close(); //關閉資料流
cStream.Dispose(); //釋放資源
__cResponse = null; //釋放資源
if (logger.IsDebugEnabled) logger.DebugFormat("ZReader.Read: dataLength={0}", cBuffer.Length);
return cBuffer;
} catch (System.Exception __errExcep) {
logger.ErrorFormat("{0}\r\n{1}", __errExcep.StackTrace, __errExcep.Message);
return null;
}
}
/// <summary>
/// 加入新封包
/// </summary>
/// <param name="buffer">來源ZBuffer封包</param>
/// <returns>返回值:ture=成功 false=失敗</returns>
public bool Add(ZBuffer buffer)
{
return(Add(buffer.Data, 0, buffer.Length));
}
/// <summary>
/// ZBuffer建構子
/// </summary>
/// <param name="buffer">ZBuffer緩衝區</param>
public ZBuffer(ZBuffer buffer)
{
__iLength = buffer.Length;
__iSize = buffer.Size;
this.Data = buffer.Data;
}
/// <summary>
/// ZBuffer建構子
/// </summary>
/// <param name="buffer">ZBuffer緩衝區</param>
public ZBuffer(ZBuffer buffer) {
__iLength = buffer.Length;
__iSize = buffer.Size;
this.Data = buffer.Data;
}
/// <summary>
/// 加入新封包
/// </summary>
/// <param name="buffer">來源ZBuffer封包</param>
/// <returns>返回值:ture=成功 false=失敗</returns>
public bool Add(ZBuffer buffer) {
return Add(buffer.Data, 0, buffer.Length);
}
internal MitakeSourceAdapter()
{
__cSymbolBuffer = new ZBuffer(1048576 * 5);
__cExchange = ProductManager.Manager.GetExchange("TWSE");
}