/*------------------------------------------------------------------------------*
Get md5sum signature of file (used ofr OLD storage based on file)
*------------------------------------------------------------------------------*/
QString Database::getMd5sumSignature(QString filename)
{
const int BLOCK_SIZE=1024*1024;
QFile file(filename);
QCryptographicHash md5Hash(QCryptographicHash::Md5);
if (file.open(QIODevice::ReadOnly | QIODevice::Unbuffered))
{
while (!file.atEnd())
{
md5Hash.addData(file.read(BLOCK_SIZE));
}
}
file.close();
return md5Hash.result().toHex();
} //Database::getMd5sumSignature
bool StarMgr::checkAndLoadCatalog(const QVariantMap& catDesc)
{
const bool checked = catDesc.value("checked").toBool();
QString catalogFileName = catDesc.value("fileName").toString();
// See if it is an absolute path, else prepend default path
if (!(StelFileMgr::isAbsolute(catalogFileName)))
catalogFileName = "stars/default/"+catalogFileName;
QString catalogFilePath = StelFileMgr::findFile(catalogFileName);
if (catalogFilePath.isEmpty())
{
// The file is supposed to be checked, but we can't find it
if (checked)
{
qWarning() << QString("Warning: could not find star catalog %1").arg(QDir::toNativeSeparators(catalogFileName));
setCheckFlag(catDesc.value("id").toString(), false);
}
return false;
}
// Possibly fixes crash on Vista
if (!StelFileMgr::isReadable(catalogFilePath))
{
qWarning() << QString("Warning: User does not have permissions to read catalog %1").arg(QDir::toNativeSeparators(catalogFilePath));
return false;
}
if (!checked)
{
// The file is not checked but we found it, maybe from a previous download/version
qWarning() << "Found file " << QDir::toNativeSeparators(catalogFilePath) << ", checking md5sum..";
QFile fic(catalogFilePath);
if(fic.open(QIODevice::ReadOnly | QIODevice::Unbuffered))
{
// Compute the MD5 sum
QCryptographicHash md5Hash(QCryptographicHash::Md5);
const qint64 cat_sz = fic.size();
qint64 maxStarBufMd5 = qMin(cat_sz, 9223372036854775807LL);
uchar *cat = maxStarBufMd5 ? fic.map(0, maxStarBufMd5) : NULL;
if (!cat)
{
// The OS was not able to map the file, revert to slower not mmap based method
static const qint64 maxStarBufMd5 = 1024*1024*8;
char* mmd5buf = (char*)malloc(maxStarBufMd5);
while (!fic.atEnd())
{
qint64 sz = fic.read(mmd5buf, maxStarBufMd5);
md5Hash.addData(mmd5buf, sz);
}
free(mmd5buf);
}
else
{
md5Hash.addData((const char*)cat, cat_sz);
fic.unmap(cat);
}
fic.close();
if (md5Hash.result().toHex()!=catDesc.value("checksum").toByteArray())
{
qWarning() << "Error: File " << QDir::toNativeSeparators(catalogFileName) << " is corrupt, MD5 mismatch! Found " << md5Hash.result().toHex() << " expected " << catDesc.value("checksum").toByteArray();
fic.remove();
return false;
}
qWarning() << "MD5 sum correct!";
setCheckFlag(catDesc.value("id").toString(), true);
}
}
ZoneArray* z = ZoneArray::create(catalogFilePath, true);
if (z)
{
if (z->level<gridLevels.size())
{
qWarning() << QDir::toNativeSeparators(catalogFileName) << ", " << z->level << ": duplicate level";
delete z;
return true;
}
Q_ASSERT(z->level==maxGeodesicGridLevel+1);
Q_ASSERT(z->level==gridLevels.size());
++maxGeodesicGridLevel;
gridLevels.append(z);
}
return true;
}
//PUT
void putFile(char * filename){
int fd;
long int len;
int part, finalpart;
struct stat fileStat;
char command[MAXLINE] = "";
char path[MAXLINE] = "";
char strLength[BUFSIZ] = "";
//Add Path to File Name
strcat(path, "./");
strcat(path, filename);
printf("File Name: %s \n", path );
//Open File for Reading
fd = open(path, O_RDONLY);
if (fd == -1) {
printf("Error opening file!\n");
return;
}
//Split File Into Parts
fstat(fd, &fileStat);
sprintf(strLength, "%d\n", fileStat.st_size);
len = atoi(strLength);
if(len>NUM_SERVERS){
part = len/NUM_SERVERS;
}
finalpart = (len - (part*NUM_SERVERS)) + part;
//Determine Mapping for File Part to Server
//Inital Location Each Part is going
long int adjust = 0;
adjust = md5Hash(filename);
// printf("Sum: %d\n", adjust );
adjust = adjust % 4;
// printf("Adjust: %d\n", adjust );
int p1a = (0+adjust) % 4;
int p1b = (3+adjust) % 4;
int p2a = (0+adjust) % 4;
int p2b = (1+adjust) % 4;
int p3a = (1+adjust) % 4;
int p3b = (2+adjust) % 4;
int p4a = (2+adjust) % 4;
int p4b = (3+adjust) % 4;
close(fd);
fd = open(path, O_RDONLY);
if (fd == -1) {
printf("Error opening file!\n");
return;
}
//Write Part 1
sprintf(command, "PUT %s %s %s.1\n", userName, passwd, filename);
writeFile(p1a,p1b,fd,part,command);
//Write Part 2
sprintf(command, "PUT %s %s %s.2\n", userName, passwd, filename);
writeFile(p2a,p2b,fd,part,command);
//Write Part 3
sprintf(command, "PUT %s %s %s.3\n", userName, passwd, filename);
writeFile(p3a,p3b,fd,part,command);
//Write Part 4
sprintf(command, "PUT %s %s %s.4\n", userName, passwd, filename);
writeFile(p4a,p4b,fd,finalpart,command);
close(fd);
// printf("Finished PUTing\n");
}
