public UnzipBaseResData(ResourceFileData fileData, long pos, long sourceSize)
{
FileData = fileData;
StartPos = pos;
// SourcePath = path;
SourceSize = sourceSize;
}
/// <summary>
/// 释放资源
/// 文件结构 4x32 文件头 |32位记录路径长度|32位记录文件名|32位记录md5长度|32位记录文件大小|
/// 然后根据这4个结构获取具体的路径、文件名、md5值、文件内容
/// </summary>
/// <returns></returns>
public int UnzipRes()
{
UpdateLog.INFO_LOG(_TAG + "unzipRes()");
int ret = CodeDefine.RET_SUCCESS;
FileStream resFileStream = null;
long filePostion = 0;
long fileSize = 0;
try
{
resFileStream = new FileStream(_resPath, FileMode.Open, FileAccess.Read, FileShare.Read);
fileSize = resFileStream.Length;
List <ResourceFileData> fileDataList = new List <ResourceFileData>();
//启动线程池
// var threadPool = new HttpThreadPool<UnzipData>(4, ThreadFunc);
while (fileSize > 0 && filePostion < fileSize)
{
ResourceFileData fileData = new ResourceFileData();
//4x32长度的头
fileData.DirLen = int.Parse(read(resFileStream, 32, filePostion, out filePostion));
fileData.NameLen = int.Parse(read(resFileStream, 32, filePostion, out filePostion));
fileData.Md5Len = int.Parse(read(resFileStream, 32, filePostion, out filePostion));
fileData.FileSize = long.Parse(read(resFileStream, 32, filePostion, out filePostion));
//读取内容
fileData.Dir = read(resFileStream, fileData.DirLen, filePostion, out filePostion);
fileData.Name = read(resFileStream, fileData.NameLen, filePostion, out filePostion);
fileData.Md5 = read(resFileStream, fileData.Md5Len, filePostion, out filePostion);
//跳过localversion的释放
if (fileData.Name.ToLower().Equals("localversion.xml"))
{
resFileStream.Seek(fileData.FileSize, SeekOrigin.Current);
}
else
{
writeFile(resFileStream, fileData.FileSize, fileData.Dir, fileData.Name);
//resFileStream.Seek(fileData.FileSize, SeekOrigin.Current);
//UnzipData ud = new UnzipData(fileData, filePostion, fileSize);
//threadPool.addTask(ud);
}
filePostion += fileData.FileSize;
}
//等待所有文件下载完
//threadPool.waitWhileWorking();
}
catch (System.Exception ex)
{
ret = CodeDefine.RET_FAIL_UNZIP_RES_FILE;
UpdateLog.ERROR_LOG(_TAG + ex.Message + "\n" + ex.StackTrace);
UpdateLog.EXCEPTION_LOG(ex);
}
finally
{
if (resFileStream != null)
{
resFileStream.Close();
}
}
return(ret);
}