def _format_index_page(page):
ret = []
ret.append("<header> logical page: {:s} | physical page: {:s} | count: {:s}".format(
h(page.logical_page_number),
h(page.physical_page_number),
h(page.key_count)))
for i in xrange(page.key_count):
key = page.get_key(i)
ret.append(" | {{ {key:s} | <child_{i:s}> {child:s} }}".format(
key=key.human_format,
i=h(i),
child=h(page.get_child(i))))
return "".join(ret)
def _graph_index_page_rec(self, page):
print(" \"node{:s}\" [".format(h(page.logical_page_number)))
print(" label = \"{:s}\"".format(self._format_index_page(page)))
print(" shape = \"record\"")
print(" ];")
key_count = page.key_count
for i in xrange(key_count + 1):
child_page_number = page.get_child(i)
if not is_index_page_number_valid(child_page_number):
continue
child_page = self._cim.logical_index_store.get_page(child_page_number)
self._graph_index_page_rec(child_page)
for i in xrange(key_count):
child_page_number = page.get_child(i)
if not is_index_page_number_valid(child_page_number):
continue
print(" \"node{num:s}\":child_{i:s} -> \"node{child:s}\"".format(
num=h(page.logical_page_number),
i=h(i),
child=h(child_page_number)))
# last entry has two links, to both less and greater children nodes
final_child_index = page.get_child(key_count)
if is_index_page_number_valid(final_child_index):
print(" \"node{num:s}\":child_{i:s} -> \"node{child:s}\"".format(
num=h(page.logical_page_number),
i=h(key_count - 1),
child=h(final_child_index)))
def structs(self):
page = self._ctx.cim.logical_data_store.get_page(self.index)
ret = [
VstructInstance(0x0, page.toc, "toc"),
]
for i, data in enumerate(page.objects):
vbuf = v_bytes(size=len(data.buffer))
vbuf.vsParse(data.buffer)
ret.append(VstructInstance(data.offset, vbuf, "Object {:s}".format(h(i))))
return ret
def structs(self):
page = self._ctx.cim.logical_index_store.get_page(self._page_number)
ret = [
VstructInstance(0x0, page, "node"),
]
data_offset = page.vsGetOffset("data")
for i in range(page.key_count):
string_part_count = page.string_definition_table[i]
for j in range(string_part_count):
string_part_index = page.string_definition_table[i + 1 + j]
s = v_zstr()
string_offset = page.string_table[string_part_index]
s.vsParse(page.data, offset=string_offset)
ret.append(VstructInstance(data_offset + string_offset, s,
"String {:s}, fragment {:s}".format(h(i), h(j))))
return ret
def __repr__(self):
return "LogicalDataPageItem(index: {:s})".format(h(self.index))
def __repr__(self):
return "PhysicalDataPagesItem(numEntries: {:s})".format(
h(len(self.children)))
def name(self):
return "{:s}".format(h(self.index))
def name(self):
return "Node {:s}".format(h(self._page_number))
def __repr__(self):
return "IndexNodeItem(pageNumber: {:s})".format(
h(self._page_number))
def __repr__(self):
return "LogicalIndexPagesItem(numEntries: {:s})".format(
h(len(self.children)))
def __repr__(self):
return "PhysicalIndexPageItem(index: {:s})".format(h(self.index))
