def recover_memory(base_path, delta_path, raw_meta, raw_mem, out_path):
# Recover modified memory snapshot
# base_path: base memory snapshot, delta pages will be applied over it
# delta_path: memory overlay
# raw_meta: meta(header/footer/hash list) information of the raw memory
# raw_mem: raw memory of the base memory snapshot
# out_path: path to recovered modified memory snapshot
# Create Base Memory from meta file
base = Memory.import_from_metafile(raw_meta, raw_mem)
header_delta, footer_delta, delta_list = DeltaList.fromfile_with_footer(delta_path)
header = tool.merge_data(base.header_data, header_delta, 1024*1024)
footer = tool.merge_data(base.footer_data, footer_delta, 1024*1024*10)
_recover_modified_list(delta_list, raw_mem)
_recover_memory(base_path, delta_list, header, footer, out_path)
def recover_memory(base_path, delta_path, raw_meta, raw_mem, out_path):
# Recover modified memory snapshot
# base_path: base memory snapshot, delta pages will be applied over it
# delta_path: memory overlay
# raw_meta: meta(header/footer/hash list) information of the raw memory
# raw_mem: raw memory of the base memory snapshot
# out_path: path to recovered modified memory snapshot
# Create Base Memory from meta file
base = Memory.import_from_metafile(raw_meta, raw_mem)
header_delta, footer_delta, delta_list = DeltaList.fromfile_with_footer(
delta_path)
header = tool.merge_data(base.header_data, header_delta, 1024 * 1024)
footer = tool.merge_data(base.footer_data, footer_delta, 1024 * 1024 * 10)
_recover_modified_list(delta_list, raw_mem)
_recover_memory(base_path, delta_list, header, footer, out_path)
base.get_delta(delta_list, ref_id=DeltaItem.REF_BASE_MEM)
# 3.find shared within self
print "[Debug] get delta from itself"
DeltaList.get_self_delta(delta_list)
DeltaList.statistics(delta_list)
DeltaList.tofile_with_footer(header_delta, footer_delta, delta_list,
out_path)
elif command == "recover":
if (not settings.base_file) or (not settings.delta_file):
sys.stderr.write("Error, Cannot find base/delta file. See help\n")
sys.exit(1)
base_path = settings.base_file
delta_path = settings.delta_file
raw_path = settings.base_file + EXT_RAW
meta_path = settings.base_file + EXT_META
# Create Base Memory from meta file
base = Memory.import_from_metafile(meta_path, raw_path)
header_delta, footer_delta, delta_list = DeltaList.fromfile_with_footer(
delta_path)
header = tool.merge_data(base.header_data, header_delta, 1024 * 1024)
footer = tool.merge_data(base.footer_data, footer_delta,
1024 * 1024 * 10)
_recover_modified_list(delta_list, raw_path)
out_path = base_path + ".recover"
_recover_memory(delta_list, header, footer, out_path)
# 2.find shared with base memory
print "[Debug] get delta from base Memory"
base.get_delta(delta_list, ref_id=DeltaItem.REF_BASE_MEM)
# 3.find shared within self
print "[Debug] get delta from itself"
DeltaList.get_self_delta(delta_list)
DeltaList.statistics(delta_list)
DeltaList.tofile_with_footer(header_delta, footer_delta, delta_list, out_path)
elif command == "recover":
if (not settings.base_file) or (not settings.delta_file):
sys.stderr.write("Error, Cannot find base/delta file. See help\n")
sys.exit(1)
base_path = settings.base_file
delta_path = settings.delta_file
raw_path = settings.base_file + EXT_RAW
meta_path = settings.base_file + EXT_META
# Create Base Memory from meta file
base = Memory.import_from_metafile(meta_path, raw_path)
header_delta, footer_delta, delta_list = DeltaList.fromfile_with_footer(delta_path)
header = tool.merge_data(base.header_data, header_delta, 1024*1024)
footer = tool.merge_data(base.footer_data, footer_delta, 1024*1024*10)
_recover_modified_list(delta_list, raw_path)
out_path = base_path+".recover"
_recover_memory(delta_list, header, footer, out_path)
