示例#1
0
        /// <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;
                }
            }
        }
示例#3
0
        /// <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);
        }
示例#4
0
        /// <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;
                    }
                }
            }
        }
示例#5
0
        /// <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);
            }
        }
示例#6
0
        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);
                }
            }
        }
示例#7
0
                /// <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;
                        }
                }
示例#8
0
 /// <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));
 }
示例#9
0
 /// <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;
 }
示例#10
0
                /// <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;
                }
示例#11
0
                /// <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");
 }