def remove_tapdisk(self, dbg):
if isinstance(self.image, image.Vhd):
return # not possible to remove a tapdisk
if self.tapdisk is not None:
if self.dm is not None:
self.dm.suspend(dbg)
if self.loop is None:
self.loop = losetup.create(dbg, self.image.path)
self.dm.reload(dbg, self.loop.block_device())
self.dm.resume(dbg)
self.tapdisk.destroy(dbg)
self.tapdisk = None
self.save()
def remove_tapdisk(self, dbg):
if isinstance(self.image, image.Vhd):
return # not possible to remove a tapdisk
if self.tapdisk is not None:
if self.dm is not None:
self.dm.suspend(dbg)
if self.loop is None:
self.loop = losetup.create(dbg, self.image.path)
self.dm.reload(dbg, self.loop.block_device())
self.dm.resume(dbg)
self.tapdisk.destroy(dbg)
self.tapdisk = None
self.save()
def block_device(self):
dbg = "Device.block_device"
if self.block is None:
self.connected = True
if isinstance(self.image, image.Raw):
self.loop = losetup.find(dbg, self.image.path)
if self.loop is None:
self.loop = losetup.create(dbg, self.image.path)
self.dm = dmsetup.find(dbg, self.loop.block_device())
if self.dm is None:
self.dm = dmsetup.create(dbg, self.loop.block_device())
self.block = self.dm.block_device()
self.save()
return self.block
elif isinstance(self.image, image.Vhd):
self.tapdisk = tapdisk.create(dbg)
self.tapdisk.open(dbg, self.image)
self.block = self.tapdisk.block_device()
self.save()
return self.block
else:
return self.block
def block_device(self):
dbg = "Device.block_device"
if self.block is None:
self.connected = True
if isinstance(self.image, image.Raw):
self.loop = losetup.find(dbg, self.image.path)
if self.loop is None:
self.loop = losetup.create(dbg, self.image.path)
self.dm = dmsetup.find(dbg, self.loop.block_device())
if self.dm is None:
self.dm = dmsetup.create(dbg, self.loop.block_device())
self.block = self.dm.block_device()
self.save()
return self.block
elif isinstance(self.image, image.Vhd):
self.tapdisk = tapdisk.create(dbg)
self.tapdisk.open(dbg, self.image)
self.block = self.tapdisk.block_device()
self.save()
return self.block
else:
return self.block
