ISDb.cpp
资源名称:bfyy.rar [点击查看]
上传用户:tangyu_668
上传日期:2014-02-27
资源大小:678k
文件大小:2k
源码类别:
多媒体编程
开发平台:
Visual C++
- #include "stdafx.h"
- #include "ISDb.h"
- #include "mplayerc.h"
- bool hash(LPCTSTR fn, filehash& fh)
- {
- CFile f;
- CFileException fe;
- if(!f.Open(fn, CFile::modeRead|CFile::osSequentialScan|CFile::shareDenyNone, &fe))
- return false;
- CPath p(fn);
- p.StripPath();
- fh.name = (LPCTSTR)p;
- fh.size = f.GetLength();
- fh.hash = fh.size;
- for(UINT64 tmp = 0, i = 0; i < 65536/sizeof(tmp) && f.Read(&tmp, sizeof(tmp)); fh.hash += tmp, i++);
- f.Seek(max(0, (INT64)fh.size - 65536), CFile::begin);
- for(UINT64 tmp = 0, i = 0; i < 65536/sizeof(tmp) && f.Read(&tmp, sizeof(tmp)); fh.hash += tmp, i++);
- return true;
- }
- void hash(CPlaylist& pl, CList<filehash>& fhs)
- {
- fhs.RemoveAll();
- POSITION pos = pl.GetHeadPosition();
- while(pos)
- {
- CString fn = pl.GetNext(pos).m_fns.GetHead();
- if(AfxGetAppSettings().Formats.FindExt(CPath(fn).GetExtension().MakeLower(), true))
- continue;
- filehash fh;
- if(!hash(fn, fh))
- continue;
- fhs.AddTail(fh);
- }
- }
- CStringA makeargs(CPlaylist& pl)
- {
- CList<filehash> fhs;
- hash(pl, fhs);
- CAtlList<CStringA> args;
- POSITION pos = fhs.GetHeadPosition();
- for(int i = 0; pos; i++)
- {
- filehash& fh = fhs.GetNext(pos);
- CStringA str;
- str.Format("name[%d]=%s&size[%d]=%016I64x&hash[%d]=%016I64x",
- i, UrlEncode(CStringA(fh.name)),
- i, fh.size,
- i, fh.hash);
- args.AddTail(str);
- }
- return Implode(args, '&');
- }
- bool OpenUrl(CInternetSession& is, CString url, CStringA& str)
- {
- str.Empty();
- try
- {
- CAutoPtr<CStdioFile> f(is.OpenURL(url, 1, INTERNET_FLAG_TRANSFER_BINARY|INTERNET_FLAG_EXISTING_CONNECT));
- char buff[1024];
- for(int len; (len = f->Read(buff, sizeof(buff))) > 0; str += CStringA(buff, len));
- f->Close(); // must close it because the desctructor doesn't seem to do it and we will get an exception when "is" is destroying
- }
- catch(CInternetException* ie)
- {
- ie->Delete();
- return false;
- }
- return true;
- }