void CDiskPartHandlerBase::open()
{
unsigned location;
StringBuffer filePath;
if (!(globals->getPropBool("@autoCopyBackup", true)?ensurePrimary(&activity, *partDesc, iFile, location, filePath):getBestFilePart(&activity, *partDesc, iFile, location, filePath, &activity)))
{
StringBuffer locations;
IException *e = MakeActivityException(&activity, TE_FileNotFound, "No physical file part for logical file %s, found at given locations: %s (Error = %d)", activity.logicalFilename.get(), getFilePartLocations(*partDesc, locations).str(), GetLastError());
EXCLOG(e, NULL);
throw e;
}
filename.set(iFile->queryFilename());
ActPrintLog(&activity, "%s[part=%d]: reading physical file '%s' (logical file = %s)", kindStr, which, filePath.str(), activity.logicalFilename.get());
if (checkFileCrc)
{
CDateTime createTime, modifiedTime, accessedTime;
iFile->getTime(&createTime, &modifiedTime, &accessedTime);
const char *descModTimeStr = partDesc->queryProperties().queryProp("@modified");
CDateTime descModTime;
descModTime.setString(descModTimeStr);
if (!descModTime.equals(modifiedTime, false))
{
StringBuffer diskTimeStr;
ActPrintLog(&activity, "WARNING: file (%s); modified date stamps on disk (%s) are not equal to published modified data (%s)", filePath.str(), modifiedTime.getString(diskTimeStr).str(), descModTimeStr);
}
}
ActPrintLog(&activity, "%s[part=%d]: Base offset to %"I64F"d", kindStr, which, fileBaseOffset);
if (compressed)
{
ActPrintLog(&activity, "Reading %s compressed file: %s", (NULL != activity.eexp.get())?"encrypted":blockCompressed?"block":"row", filename.get());
if (checkFileCrc)
{
checkFileCrc = false;
if (activity.crcCheckCompressed) // applies to encrypted too, (optional, default off)
{
ActPrintLog(&activity, "Calculating crc for file: %s", filename.get());
unsigned calcCrc = iFile->getCRC();
// NB: for compressed files should always be ~0
ActPrintLog(&activity, "Calculated crc = %x, storedCrc = %x", calcCrc, storedCrc);
if (calcCrc != storedCrc)
{
IThorException *e = MakeActivityException(&activity, TE_FileCrc, "CRC Failure validating compressed file: %s", iFile->queryFilename());
e->setAudience(MSGAUD_operator);
throw e;
}
}
}
}
}
static IKeyIndex *openKeyPart(CActivityBase *activity, const char *logicalFilename, IPartDescriptor &partDesc)
{
unsigned location;
StringBuffer filePath;
OwnedIFile ifile;
if (!(globals->getPropBool("@autoCopyBackup", true)?ensurePrimary(activity, partDesc, ifile, location, filePath):getBestFilePart(activity, partDesc, ifile, location, filePath, activity)))
{
StringBuffer locations;
IException *e = MakeActivityException(activity, TE_FileNotFound, "No physical file part for logical key file %s, found at given locations: %s (Error = %d)", logicalFilename, getFilePartLocations(partDesc, locations).str(), GetLastError());
EXCLOG(e, NULL);
throw e;
}
unsigned crc;
partDesc.getCrc(crc);
return createKeyIndex(filePath.str(), crc, false, false);
}
