116 lines
4.0 KiB
C#
116 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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using System.IO;
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using Thousandto.Update.Log;
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using Thousandto.Update.Flow;
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namespace Thousandto.Update.Data
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{
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class MapFileManage
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{
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string _TAG = "MapFileManage.cs ";
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List<MapFileData> _mapFileDataList = new List<MapFileData>();
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string _saveDir;
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public void setSaveDir(string saveDir)
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{
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_saveDir = saveDir;
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}
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public List<MapFileData> GetMapFileDataList()
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{
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return _mapFileDataList;
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}
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public int parseMapFile(string mapFile, string resUrl, string saveDir)
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{
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_saveDir = saveDir;
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UpdateLog.INFO_LOG(_TAG + "parseMapFile(string mapFile, string resUrl):" + mapFile + "," + resUrl);
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int ret = CodeDefine.RET_SUCCESS;
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List<MapFileData> mapFileDataList = _mapFileDataList;
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FileStream mapFileStream = null;
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try
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{
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mapFileStream = new FileStream(mapFile, FileMode.Open);
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long filePosition = 0;
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long mapFileSize = mapFileStream.Length;
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while (mapFileSize > 0 && filePosition != mapFileSize)
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{
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if (filePosition >= mapFileSize)
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{
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UpdateLog.ERROR_LOG("解析出错了");
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return ret;
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}
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MapFileData mapFileData = new MapFileData();
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mapFileData.Begin = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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if (mapFileData.Begin == -1)
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{
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UpdateLog.WARN_LOG("解析map文件，出现异常,请检查： " + mapFile);
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return ret;
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}
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mapFileData.End = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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mapFileData.DirLen = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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mapFileData.NameLen = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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mapFileData.Md5Len = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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mapFileData.FileSize = parseInt(read(mapFileStream, 10, filePosition, out filePosition));
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mapFileData.Dir = read(mapFileStream, mapFileData.DirLen, filePosition, out filePosition);
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mapFileData.Name = read(mapFileStream, mapFileData.NameLen, filePosition, out filePosition);
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mapFileData.Md5 = read(mapFileStream, mapFileData.Md5Len, filePosition, out filePosition);
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mapFileData.ResUrl = resUrl;
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mapFileData.SaveDir = _saveDir;
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mapFileDataList.Add(mapFileData);
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}
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}
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catch (System.Exception ex)
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{
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ret = CodeDefine.RET_FAIL_PARSE_MAP_FILE;
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UpdateLog.ERROR_LOG(_TAG + ex.Message + "\n" + ex.StackTrace);
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UpdateLog.EXCEPTION_LOG(ex);
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}
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finally
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{
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if (mapFileStream != null)
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{
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mapFileStream.Close();
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}
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}
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return ret;
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}
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private int parseInt(string intStr)
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{
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int ret = 0;
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if (!int.TryParse(intStr, out ret))
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{
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return -1;
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}
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return ret;
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}
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private string read(FileStream mapFileStream, int readLen , long position, out long filePosition)
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{
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Byte[] beginBuf = new Byte[readLen];
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int readNum = mapFileStream.Read(beginBuf, 0, readLen);
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filePosition = position + readLen;
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if (readNum <= 0)
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{
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return null;
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}
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string retStr = System.Text.Encoding.Default.GetString(beginBuf);
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return retStr;
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}
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}
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}
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