PyObject *py_ped_constraint_solve_max(PyObject *s, PyObject *args) {
PedConstraint *constraint = NULL;
PedGeometry *geometry = NULL;
_ped_Geometry *ret = NULL;
constraint = _ped_Constraint2PedConstraint(s);
if (constraint == NULL) {
return NULL;
}
geometry = ped_constraint_solve_max(constraint);
ped_constraint_destroy(constraint);
if (geometry) {
ret = PedGeometry2_ped_Geometry(geometry);
}
else {
if (partedExnRaised) {
partedExnRaised = 0;
if (!PyErr_ExceptionMatches(PartedException) &&
!PyErr_ExceptionMatches(PyExc_NotImplementedError))
PyErr_SetString(ConstraintException, partedExnMessage);
}
else
PyErr_SetString(PyExc_ArithmeticError, "Could not find largest region satisfying constraint");
return NULL;
}
return (PyObject *) ret;
}
void SystemPartitioner::init()
{
#if NONDESTRUCTIVE
emit done();
return;
#endif
// Check # of harddisks to see if RAID0-ing them makes any sense
ped_device_probe_all();
PedDevice *tmp=NULL;
int disks=0;
QString installsource(getenv("INSTALLSOURCE"));
MSG("Install source is " + installsource);
while((tmp=ped_device_get_next(tmp))) {
// FIXME workaround for parted breakage
// Skip CD-ROMs parted accidentally marks as harddisk
QString p(tmp->path);
if(!p.startsWith("/dev/sd") && (p.contains("/dev/scd") || p.contains("/dev/sr") || access(QFile::encodeName("/proc/ide/" + p.section('/', 2, 2) + "/cache"), R_OK)))
continue;
// It's not a good idea to install on a USB stick we're installing from...
if(installsource.startsWith(p))
continue;
MSG(QString("Found disk: ") + QString(tmp->path) + ":" + "/proc/ide/" + p.section('/', 2, 2) + "/" + "cache" + ":" + QString::number(access(QFile::encodeName("/proc/ide/" + p.section('/', 2, 2) + "/cache"), R_OK)));
#if 0
// Check if the drive is actually there -- some empty CF
// readers misidentify themselves...
int fd=open(tmp->path, O_RDONLY);
if(fd < 0)
continue;
char test;
if(read(fd, &test, 1) <= 0) {
close(fd);
continue;
}
close(fd);
#endif
disks++;
}
ped_device_free_all();
// Grab all disks
ped_device_probe_all();
PedFileSystemType const *ext3=ped_file_system_type_get("ext2"); // parted doesn't support ext3 creation yet, so we need this hack
PedFileSystemType const *bootext3=ped_file_system_type_get("ext2");
PedFileSystemType const *swap=ped_file_system_type_get("linux-swap");
Meminfo m;
unsigned long long swapsize=m.suggested_swap();
QStringList raidPartitions;
PedDevice *dev=NULL;
PedPartition *fspart=NULL;
PedGeometry *fsgeo=NULL;
setHelp(tr("Removing other OSes..."));
resizeEvent(0);
uint32_t bootsize=0;
#ifndef NO_RAID0
if(disks>1)
bootsize=32*1024*2; /* size is in 512 kB blocks --> we use 32 MB */
#endif
while((dev=ped_device_get_next(dev))) {
// FIXME workaround for parted breakage
QString p(dev->path);
if(!p.startsWith("/dev/sd") && (p.contains("/dev/scd") || p.contains("/dev/sr") || access(QFile::encodeName("/proc/ide/" + p.section('/', 2, 2) + "/cache"), R_OK)))
continue;
// It's not a good idea to install on a USB stick we're installing from...
if(installsource.startsWith(p))
continue;
//unsigned long long disksize=dev->length*dev->sector_size;
PedDiskType *type=ped_disk_type_get("msdos");
PedDisk *disk=ped_disk_new_fresh(dev, type);
PedGeometry *part=ped_geometry_new(dev, 0, dev->length);
if(swapsize && _swap.isEmpty() && ((unsigned long long)part->length > swapsize + bootsize)) {
// Split disk in swap and fs partitions
PedGeometry *swapgeo=ped_geometry_new(dev, 0, swapsize);
PedGeometry *bootgeo=NULL;
uint32_t fssize=part->end - swapsize;
uint32_t fsstart=swapsize+1;
if(bootsize) {
bootgeo=ped_geometry_new(dev, swapsize+1, bootsize);
fssize -= bootsize;
fsstart += bootsize;
}
fsgeo=ped_geometry_new(dev, fsstart, fssize);
PedPartition *swappart=ped_partition_new(disk, (PedPartitionType)0, swap, swapgeo->start, swapgeo->end);
PedPartition *bootpart=NULL;
if(bootsize)
bootpart=ped_partition_new(disk, (PedPartitionType)0, bootext3, bootgeo->start, bootgeo->end);
fspart=ped_partition_new(disk, (PedPartitionType)0, ext3, fsgeo->start, fsgeo->end);
if(bootsize)
ped_partition_set_flag(fspart, PED_PARTITION_RAID, 1);
ped_disk_add_partition(disk, swappart, ped_constraint_any(dev));
ped_disk_commit(disk);
ped_geometry_destroy(swapgeo);
setHelp(tr("Creating swap filesystem"));
PedFileSystem *swapfs=ped_file_system_create(&(swappart->geom), swap, NULL /*timer->timer()*/);
ped_file_system_close(swapfs);
_swap = dev->path + QString::number(swappart->num);
// Parted's swap creator is buggy
QProcess::execute("/sbin/mkswap " + _swap);
if(bootpart) {
setHelp(tr("Creating boot filesystem"));
ped_disk_add_partition(disk, bootpart, ped_constraint_any(dev));
ped_disk_commit(disk);
PedFileSystem *bootfs=ped_file_system_create(&(bootpart->geom), bootext3, timer->timer());
ped_file_system_close(bootfs);
ped_partition_set_flag(bootpart, PED_PARTITION_BOOT, 1);
ped_geometry_destroy(bootgeo);
QString devname=dev->path + QString::number(bootpart->num);
_size.insert(devname, bootpart->geom.length);
if(_rootfs == "ext3") {
Ext3FS e3(devname);
e3.addJournal(0);
e3.setCheckInterval(0);
e3.setCheckMountcount(-1);
e3.setDirIndex();
} else {
QProcess::execute("/sbin/mkfs." + _rootfs + " " + _mkfsopts + " " + devname);
}
if(!_postmkfs.isEmpty())
QProcess::execute(_postmkfs + " " + devname);
_partitions.insert(devname, FileSystem("/boot", _rootfs));
}
} else {
// Grab the whole disk for filesystem
fsgeo=ped_constraint_solve_max(ped_constraint_any(dev));
fspart=ped_partition_new(disk, (PedPartitionType)0, ext3, part->start, part->end);
if(bootsize)
ped_partition_set_flag(fspart, PED_PARTITION_RAID, 1);
}
ped_disk_add_partition(disk, fspart, ped_constraint_any(dev));
if(!bootsize)
ped_partition_set_flag(fspart, PED_PARTITION_BOOT, 1);
ped_disk_commit(disk);
if(!bootsize) {
setHelp(tr("Creating Linux filesystem"));
PedFileSystem *fs=ped_file_system_create(&(fspart->geom), ext3, timer->timer());
_totalSize += fspart->geom.length;
ped_file_system_close(fs);
}
ped_geometry_destroy(fsgeo);
// Convert to ext3 and turn off checking
QString devname=dev->path + QString::number(fspart->num);
if(bootsize)
raidPartitions.append(devname);
else if(!_partitions.hasMountpoint("/"))
_partitions.insert(devname, FileSystem("/", _rootfs));
else {
QString mp(devname);
mp.replace("/dev", "/mnt");
_partitions.insert(devname, FileSystem(mp, _rootfs));
}
_size.insert(devname, fspart->geom.length);
if(!bootsize) {
if(_rootfs == "ext3") {
Ext3FS e3(devname);
e3.addJournal(0);
e3.setCheckInterval(0);
e3.setCheckMountcount(-1);
e3.setDirIndex();
} else {
QProcess::execute("/sbin/mkfs." + _rootfs + " " + _mkfsopts + " " + devname);
}
if(!_postmkfs.isEmpty())
QProcess::execute(_postmkfs + " " + devname);
ped_disk_destroy(disk);
}
}
if(bootsize) {
setHelp(tr("Combining disks..."));
// Make sure we can read the array we're building first...
Modules::instance()->loadWithDeps("md");
Modules::instance()->loadWithDeps("raid0");
// Now create it
FILE *f=fopen("/tmp/mdadm.conf", "w");
if(!f)
QMessageBox::information(0, "debug", QString("Failed to create mdadm.conf: ") + strerror(errno));
fprintf(f, "DEVICE partitions");
fprintf(f, "ARRAY /dev/md0 name=ArkLinux devices=%s level=0 num-devices=%u\n", qPrintable(raidPartitions.join(",")), raidPartitions.count());
fprintf(f, "MAILADDR root@localhost\n");
fclose(f);
QString command="/sbin/mdadm --create -e 1.2 --chunk=32 --level=0 --raid-devices=" + QString::number(raidPartitions.count()) + " --name=ArkLinux --force /dev/md0 " + raidPartitions.join(" ");
QProcess::execute(command);
if(_rootfs == "ext3") {
QProcess::execute("/sbin/mke2fs -j /dev/md0");
Ext3FS e3("/dev/md0");
e3.setCheckInterval(0);
e3.setCheckMountcount(-1);
e3.setDirIndex();
} else {
QProcess::execute("/sbin/mkfs." + _rootfs + " " + _mkfsopts + " /dev/md0");
}
if(!_postmkfs.isEmpty())
QProcess::execute(_postmkfs + " /dev/md0");
_partitions.insert("/dev/md0", FileSystem("/", _rootfs));
_size.clear();
_size.insert("/dev/md0", _totalSize);
}
// We don't need a UI to take the whole system - we're done.
emit done();
}
