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#
# Copyright(c) 2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
from ctypes import string_at
def print_buffer(
buf,
length,
offset=0,
width=16,
ignore=0,
stop_after_count_ignored=0,
print_fcn=print,
):
end = int(offset) + int(length)
offset = int(offset)
ignored_lines = 0
buf = string_at(buf, length)
whole_buffer_ignored = True
stop_after_count_ignored = int(stop_after_count_ignored / width)
for addr in range(offset, end, width):
cur_line = buf[addr : min(end, addr + width)]
byteline = ""
asciiline = ""
if not any(x != ignore for x in cur_line):
if (
stop_after_count_ignored
and ignored_lines > stop_after_count_ignored
):
print_fcn(
"<{} bytes of '0x{:02X}' encountered, stopping>".format(
stop_after_count_ignored * width, ignore
)
)
return
ignored_lines += 1
continue
if ignored_lines:
print_fcn(
"<{} of '0x{:02X}' bytes omitted>".format(
ignored_lines * width, ignore
)
)
ignored_lines = 0
for byte in cur_line:
byte = int(byte)
byteline += "{:02X} ".format(byte)
if 31 < byte < 126:
char = chr(byte)
else:
char = "."
asciiline += char
print_fcn("0x{:08X}\t{}\t{}".format(addr, byteline, asciiline))
whole_buffer_ignored = False
if whole_buffer_ignored:
print_fcn("<whole buffer ignored>")
elif ignored_lines:
print_fcn("<'0x{:02X}' until end>".format(ignore))
class Size:
_KiB = 1024
_MiB = _KiB * 1024
_GiB = _MiB * 1024
_TiB = _GiB * 1024
_SECTOR_SIZE = 512
def __init__(self, b: int, sector_aligned: bool = False):
if sector_aligned:
self.bytes = int(
((b + self._SECTOR_SIZE - 1) // self._SECTOR_SIZE)
* self._SECTOR_SIZE
)
else:
self.bytes = int(b)
def __int__(self):
return self.bytes
def __index__(self):
return self.bytes
@classmethod
def from_B(cls, value, sector_aligned=False):
return cls(value, sector_aligned)
@classmethod
def from_KiB(cls, value, sector_aligned=False):
return cls(value * cls._KiB, sector_aligned)
@classmethod
def from_MiB(cls, value, sector_aligned=False):
return cls(value * cls._MiB, sector_aligned)
@classmethod
def from_GiB(cls, value, sector_aligned=False):
return cls(value * cls._GiB, sector_aligned)
@classmethod
def from_TiB(cls, value, sector_aligned=False):
return cls(value * cls._TiB, sector_aligned)
@classmethod
def from_sector(cls, value):
return cls(value * cls._SECTOR_SIZE)
@property
def B(self):
return self.bytes
@property
def KiB(self):
return self.bytes / self._KiB
@property
def MiB(self):
return self.bytes / self._MiB
@property
def GiB(self):
return self.bytes / self._GiB
@property
def TiB(self):
return self.bytes / self._TiB
@property
def sectors(self):
return self.bytes // self._SECTOR_SIZE
def __str__(self):
if self.bytes < self._KiB:
return "{} B".format(self.B)
elif self.bytes < self._MiB:
return "{} KiB".format(self.KiB)
elif self.bytes < self._GiB:
return "{} MiB".format(self.MiB)
elif self.bytes < self._TiB:
return "{} GiB".format(self.GiB)
else:
return "{} TiB".format(self.TiB)
def print_structure(struct, indent=0):
print(struct)
for field, field_type in struct._fields_:
value = getattr(struct, field)
if hasattr(value, "_fields_"):
print("{}{: <20} :".format(" " * indent, field))
print_structure(value, indent=indent + 1)
continue
print("{}{: <20} : {}".format(" " * indent, field, value))
def struct_to_dict(struct):
d = {}
for field, field_type in struct._fields_:
value = getattr(struct, field)
if hasattr(value, "_fields_"):
d[field] = struct_to_dict(value)
continue
d[field] = value
return d
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