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import os
import string
STRIPED_SEGMENT_ID = 1
LINEAR_SEGMENT_ID = 2
UNUSED_SEGMENT_ID = 3
MIRROR_SEGMENT_ID = 4
class Segment:
def __init__(self, type, start, size): # logical range
self.type = type
self.start = start
self.size = size
def get_start_size(self):
return self.start, self.size
def get_type(self):
return self.type
def print_out(self, padding):
print padding + str(self.get_start_size())
class StripedSegment(Segment):
def __init__(self, stripe_size, start, size): # logical range
Segment.__init__(self, STRIPED_SEGMENT_ID, start, size)
self.stripe_size = stripe_size # bytes
self.stripes = {}
def add_stripe(self, id, extent_block):
self.stripes[id] = extent_block
extent_block.set_annotation(_("Stripe") + str(id))
def get_stripes(self):
return self.stripes
def get_stripe_size(self):
return self.stripe_size
def print_out(self, padding):
Segment.print_out(self, padding + 'striped: ')
for stripe_id in self.get_stripes():
print padding + ' stripe' + str(stripe_id) + ': '
self.get_stripes()[stripe_id].print_out(padding + ' ')
class LinearSegment(Segment):
def __init__(self, start, size, type=LINEAR_SEGMENT_ID): # logical range
Segment.__init__(self, type, start, size)
self.extent_block = None
def set_extent_block(self, extent_block):
self.extent_block = extent_block
self.extent_block.set_annotation(_("Linear Mapping"))
def get_extent_block(self):
return self.extent_block
def print_out(self, padding):
Segment.print_out(self, padding + 'linear: ')
self.get_extent_block().print_out(padding + ' ')
class UnusedSegment(LinearSegment):
def __init__(self, start, size): # logical range
LinearSegment.__init__(self, start, size, UNUSED_SEGMENT_ID)
def set_extent_block(self, extent_block):
self.extent_block = extent_block
self.extent_block.set_annotation('')
def print_out(self, padding):
print padding + 'unused: '
LinearSegment.print_out(self, padding + ' ')
class MirroredSegment(Segment):
def __init__(self, start, size): # logical range
Segment.__init__(self, MIRROR_SEGMENT_ID, start, size)
self.image_lvs = []
def add_image(self, image_lv):
image_lv.is_mirror_image = True
image_num = len(self.image_lvs)
self.image_lvs.append(image_lv)
# set annotations
for seg in image_lv.get_segments():
extent = None
if seg.type != STRIPED_SEGMENT_ID:
extent = seg.get_extent_block()
extent.set_annotation(_("Mirror") + str(image_num))
else:
# stripped segments only because they do not map to extents directly
pass
def get_images(self):
return self.image_lvs
def clear_images(self):
self.image_lvs = []
def print_out(self, padding):
Segment.print_out(self, padding + 'mirrored: ')
print padding + 'images: '
for image in self.get_images():
image.print_out(padding + ' ')