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/*
* $Id$
*
* (C) 2003-2006 Gabest
* (C) 2006-2010 see AUTHORS
*
* This file is part of mplayerc.
*
* Mplayerc is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Mplayerc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#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().m_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 destructor 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;
}
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