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Changed: Use CBigFile to unpack BNP in CPatchManager

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This commit is contained in:
kervala 2016-01-23 12:27:41 +01:00
parent 5e575d505e
commit e0aa90e0f3
2 changed files with 15 additions and 144 deletions
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148
code/ryzom/client/src/login_patch.cpp
View file

@ -1745,92 +1745,6 @@ void CPatchManager::getPatchFromDesc(SFileToPatch &ftpOut, const CBNPFile &fIn,
} // end of else local BNP file exists
}
// ****************************************************************************
bool CPatchManager::readBNPHeader(const string &SourceName, vector<SBNPFile> &Files)
{
/* *****
If the BNP Header format change, please modify 'EmptyBnpFileSize' as needed
***** */
FILE *f = fopen (SourceName.c_str(), "rb");
if (f == NULL) return false;
nlfseek64 (f, 0, SEEK_END);
uint32 nFileSize = NLMISC::CFile::getFileSize (SourceName);
nlfseek64 (f, nFileSize-sizeof(uint32), SEEK_SET);
uint32 nOffsetFromBeginning;
if (fread (&nOffsetFromBeginning, sizeof(uint32), 1, f) != 1)
{
fclose(f);
return false;
}
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(nOffsetFromBeginning);
#endif
if (nlfseek64 (f, nOffsetFromBeginning, SEEK_SET) != 0)
{
fclose(f);
return false;
}
uint32 nNbFile;
if (fread (&nNbFile, sizeof(uint32), 1, f) != 1)
{
fclose(f);
return false;
}
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(nNbFile);
#endif
for (uint32 i = 0; i < nNbFile; ++i)
{
uint8 nStringSize;
if (fread (&nStringSize, 1, 1, f) != 1)
{
fclose(f);
return false;
}
char sName[256];
if (fread (sName, 1, nStringSize, f) != nStringSize)
{
fclose(f);
return false;
}
sName[nStringSize] = 0;
SBNPFile tmpBNPFile;
tmpBNPFile.Name = sName;
if (fread (&tmpBNPFile.Size, sizeof(uint32), 1, f) != 1)
{
fclose(f);
return false;
}
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(tmpBNPFile.Size);
#endif
if (fread (&tmpBNPFile.Pos, sizeof(uint32), 1, f) != 1)
{
fclose(f);
return false;
}
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(tmpBNPFile.Pos);
#endif
Files.push_back (tmpBNPFile);
}
fclose (f);
return true;
}
// ****************************************************************************
bool CPatchManager::bnpUnpack(const string &srcBigfile, const string &dstPath, vector<string> &vFilenames)
{
@ -1856,8 +1770,10 @@ bool CPatchManager::bnpUnpack(const string &srcBigfile, const string &dstPath, v
setState(true,s);
// Read Header of the BNP File
vector<CPatchManager::SBNPFile> Files;
if (!readBNPHeader(SourceName, Files))
CBigFile::BNP bnpFile;
bnpFile.BigFileName = SourceName;
if (!bnpFile.readHeader())
{
ucstring s = CI18N::get("uiUnpackErrHead") + " " + SourceName;
setState(true,s);
@ -1865,54 +1781,14 @@ bool CPatchManager::bnpUnpack(const string &srcBigfile, const string &dstPath, v
}
// Unpack
{
FILE *bnp = fopen (SourceName.c_str(), "rb");
FILE *out;
if (bnp == NULL)
if (!bnpFile.unpack(DestPath))
return false;
for (uint32 i = 0; i < Files.size(); ++i)
{
CPatchManager::SBNPFile &rBNPFile = Files[i];
string filename = DestPath + rBNPFile.Name;
out = fopen (filename.c_str(), "wb");
if (out != NULL)
{
nlfseek64 (bnp, rBNPFile.Pos, SEEK_SET);
uint8 *ptr = new uint8[rBNPFile.Size];
if (fread (ptr, rBNPFile.Size, 1, bnp) != 1)
{
fclose(out);
return false;
}
bool writeError = fwrite (ptr, rBNPFile.Size, 1, out) != 1;
if (writeError)
{
nlwarning("errno = %d", errno);
}
bool diskFull = ferror(out) && errno == 28 /* ENOSPC*/;
fclose (out);
delete [] ptr;
if (diskFull)
{
throw NLMISC::EDiskFullError(filename);
}
if (writeError)
{
throw NLMISC::EWriteError(filename);
}
}
}
fclose (bnp);
}
// Return names
{
vFilenames.clear();
for (uint32 i = 0; i < Files.size(); ++i)
vFilenames.push_back(Files[i].Name);
for (uint32 i = 0; i < bnpFile.SFiles.size(); ++i)
vFilenames.push_back(bnpFile.SFiles[i].Name);
}
return true;
@ -2332,16 +2208,18 @@ void CCheckThread::run ()
sTranslate = CI18N::get("uiCheckInBNP") + " " + rCat.getFile(j);
pPM->setState(true, sTranslate);
vector<CPatchManager::SBNPFile> vFiles;
if (pPM->readBNPHeader(sBNPFilename, vFiles))
CBigFile::BNP bnpFile;
bnpFile.BigFileName = sBNPFilename;
if (bnpFile.readHeader())
{
// read the file inside the bnp and calculate the sha1
FILE *bnp = fopen (sBNPFilename.c_str(), "rb");
if (bnp != NULL)
{
for (uint32 k = 0; k < vFiles.size(); ++k)
for (uint32 k = 0; k < bnpFile.SFiles.size(); ++k)
{
CPatchManager::SBNPFile &rBNPFile = vFiles[k];
const CBigFile::SBNPFile &rBNPFile = bnpFile.SFiles[k];
// Is the real file exists ?
string sRealFilename = rCat.getUnpackTo() + rBNPFile.Name;
if (NLMISC::CFile::fileExists(sRealFilename))

9
code/ryzom/client/src/login_patch.h
View file

@ -102,13 +102,6 @@ public:
uint32 SZFileSize; // Size of the SZ file
};
struct SBNPFile
{
std::string Name;
uint32 Size;
uint32 Pos;
};
struct SPatchInfo
{
struct SCat
@ -326,7 +319,6 @@ private:
void getPatchFromDesc(SFileToPatch &ftpOut, const CBNPFile &fIn, bool forceCheckSumTest);
bool readBNPHeader(const std::string &Filename, std::vector<SBNPFile> &FilesOut);
bool bnpUnpack(const std::string &srcBigfile, const std::string &dstPath, std::vector<std::string> &vFilenames);
// stop the threads (called when knowing the thread ended)
@ -471,6 +463,7 @@ private:
// The date to apply when file is buggy: use default of year 2001, just to have a coherent date
enum {DefaultResetDate= 31 * 366 * 24 * 3600};
// The file size of a an empty BNP
// If the BNP Header format change, please modify 'EmptyBnpFileSize' as needed
enum {EmptyBnpFileSize= 8};
// Use an external downloader: (BitTorrent)
IAsyncDownloader* _AsyncDownloader;