def load(self, f, pretty=False, no_payload=False):
entries = []
gf = ghost_file_entry()
buf = f.read(4)
size, = struct.unpack('i', buf)
gf.ParseFromString(f.read(size))
g_entry = pb2dict.pb2dict(gf, pretty)
if gf.chunks:
entries.append(g_entry)
while True:
gc = ghost_chunk_entry()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
gc.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(gc, pretty)
if no_payload:
f.seek(gc.len, os.SEEK_CUR)
else:
entry['extra'] = f.read(gc.len).encode('base64')
entries.append(entry)
else:
if no_payload:
f.seek(0, os.SEEK_END)
else:
g_entry['extra'] = f.read().encode('base64')
entries.append(g_entry)
return entries
def load(self, f, pretty = False, no_payload = False):
entries = []
gf = ghost_file_entry()
buf = f.read(4)
size, = struct.unpack('i', buf)
gf.ParseFromString(f.read(size))
g_entry = pb2dict.pb2dict(gf, pretty)
if gf.chunks:
entries.append(g_entry)
while True:
gc = ghost_chunk_entry()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
gc.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(gc, pretty)
if no_payload:
f.seek(gc.len, os.SEEK_CUR)
else:
entry['extra'] = f.read(gc.len).encode('base64')
entries.append(entry)
else:
if no_payload:
f.seek(0, os.SEEK_END)
else:
g_entry['extra'] = f.read().encode('base64')
entries.append(g_entry)
return entries
def load(self, f, pretty = False):
"""
Convert criu image entries from binary format to dict(json).
Takes a file-like object and returnes a list with entries in
dict(json) format.
"""
entries = []
while True:
entry = {}
# Read payload
pb = self.payload()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(pb, pretty)
# Read extra
if self.extra_handler:
entry['extra'] = self.extra_handler.load(f, pb)
entries.append(entry)
return entries
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry['size']
data = extra.decode('base64')
rounded = round_up(size, sizeof_u32)
f.write(data[:size])
f.write('\0' * (rounded - size))
def load(self, f, pretty = False):
"""
Convert criu image entries from binary format to dict(json).
Takes a file-like object and returnes a list with entries in
dict(json) format.
"""
entries = []
while True:
entry = {}
# Read payload
pb = self.payload()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(pb, pretty)
# Read extra
if self.extra_handler:
entry['extra'] = self.extra_handler.load(f, pb)
entries.append(entry)
return entries
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
messages = []
for x in range(0, entry['qnum']):
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
msg = ipc_msg()
msg.ParseFromString(f.read(size))
rounded = round_up(msg.msize, sizeof_u64)
data = f.read(msg.msize)
f.seek(rounded - msg.msize, 1)
messages.append(pb2dict.pb2dict(msg))
messages.append(data.encode('base64'))
return messages
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry['size']
data = f.read(size)
rounded = round_up(size, sizeof_u32)
f.seek(rounded - size, 1)
return data.encode('base64')
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry["size"]
data = extra.decode("base64")
rounded = round_up(size, sizeof_u32)
f.write(data[:size])
f.write("\0" * (rounded - size))
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry['size']
data = extra.decode('base64')
rounded = round_up(size, sizeof_u32)
f.write(data[:size])
f.write('\0' * (rounded - size))
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
messages = []
for x in range (0, entry['qnum']):
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
msg = ipc_msg()
msg.ParseFromString(f.read(size))
rounded = round_up(msg.msize, sizeof_u64)
data = f.read(msg.msize)
f.seek(rounded - msg.msize, 1)
messages.append(pb2dict.pb2dict(msg))
messages.append(data.encode('base64'))
return messages
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry['size']
data = f.read(size)
rounded = round_up(size, sizeof_u32)
f.seek(rounded - size, 1)
return data.encode('base64')
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = sizeof_u16 * entry['nsems']
rounded = round_up(size, sizeof_u64)
s = array.array('H')
if s.itemsize != sizeof_u16:
raise Exception("Array size mismatch")
s.fromstring(f.read(size))
f.seek(rounded - size, 1)
return s.tolist()
def load(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = sizeof_u16 * entry['nsems']
rounded = round_up(size, sizeof_u64)
s = array.array('H')
if s.itemsize != sizeof_u16:
raise Exception("Array size mismatch")
s.fromstring(f.read(size))
f.seek(rounded - size, 1)
return s.tolist()
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
size = sizeof_u16 * entry['nsems']
rounded = round_up(size, sizeof_u64)
s = array.array('H')
if s.itemsize != sizeof_u16:
raise Exception("Array size mismatch")
s.fromlist(extra)
if len(s) != entry['nsems']:
raise Exception("Number of semaphores mismatch")
f.write(s.tostring())
f.write('\0' * (rounded - size))
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
size = sizeof_u16 * entry['nsems']
rounded = round_up(size, sizeof_u64)
s = array.array('H')
if s.itemsize != sizeof_u16:
raise Exception("Array size mismatch")
s.fromlist(extra)
if len(s) != entry['nsems']:
raise Exception("Number of semaphores mismatch")
f.write(s.tostring())
f.write('\0' * (rounded - size))
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
for i in range (0, len(extra), 2):
msg = ipc_msg()
pb2dict.dict2pb(extra[i], msg)
msg_str = msg.SerializeToString()
size = len(msg_str)
f.write(struct.pack('i', size))
f.write(msg_str)
rounded = round_up(msg.msize, sizeof_u64)
data = extra[i + 1].decode('base64')
f.write(data[:msg.msize])
f.write('\0' * (rounded - msg.msize))
def dump(self, extra, f, pb):
entry = pb2dict.pb2dict(pb)
for i in range(0, len(extra), 2):
msg = ipc_msg()
pb2dict.dict2pb(extra[i], msg)
msg_str = msg.SerializeToString()
size = len(msg_str)
f.write(struct.pack('i', size))
f.write(msg_str)
rounded = round_up(msg.msize, sizeof_u64)
data = extra[i + 1].decode('base64')
f.write(data[:msg.msize])
f.write('\0' * (rounded - msg.msize))
def load(self, f, pretty = False):
entries = []
pb = pagemap_head()
while True:
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entries.append(pb2dict.pb2dict(pb, pretty))
pb = pagemap_entry()
return entries
def load(self, f, pretty = False):
entries = []
pb = pagemap_head()
while True:
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entries.append(pb2dict.pb2dict(pb, pretty))
pb = pagemap_entry()
return entries
def skip(self, f, pb):
entry = pb2dict.pb2dict(pb)
pl_len = 0
for x in range(0, entry['qnum']):
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
msg = ipc_msg()
msg.ParseFromString(f.read(size))
rounded = round_up(msg.msize, sizeof_u64)
f.seek(rounded, os.SEEK_CUR)
pl_len += size + msg.msize
return pl_len
def skip(self, f, pb):
entry = pb2dict.pb2dict(pb)
pl_len = 0
for x in range (0, entry['qnum']):
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
msg = ipc_msg()
msg.ParseFromString(f.read(size))
rounded = round_up(msg.msize, sizeof_u64)
f.seek(rounded, os.SEEK_CUR)
pl_len += size + msg.msize
return pl_len
def load(self, f, pretty=False, no_payload=False):
"""
Convert criu image entries from binary format to dict(json).
Takes a file-like object and returnes a list with entries in
dict(json) format.
"""
entries = []
while True:
entry = {}
# Read payload
pb = self.payload()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(pb, pretty)
# Read extra
if self.extra_handler:
if no_payload:
def human_readable(num):
for unit in ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z']:
if num < 1024.0:
if int(num) == num:
return "%d%sB" % (num, unit)
else:
return "%.1f%sB" % (num, unit)
num /= 1024.0
return "%.1fYB" % num
pl_size = self.extra_handler.skip(f, pb)
entry['extra'] = '... <%s>' % human_readable(pl_size)
else:
entry['extra'] = self.extra_handler.load(f, pb)
entries.append(entry)
return entries
def load(self, f, pretty = False, no_payload = False):
"""
Convert criu image entries from binary format to dict(json).
Takes a file-like object and returnes a list with entries in
dict(json) format.
"""
entries = []
while True:
entry = {}
# Read payload
pb = self.payload()
buf = f.read(4)
if buf == '':
break
size, = struct.unpack('i', buf)
pb.ParseFromString(f.read(size))
entry = pb2dict.pb2dict(pb, pretty)
# Read extra
if self.extra_handler:
if no_payload:
def human_readable(num):
for unit in ['','K','M','G','T','P','E','Z']:
if num < 1024.0:
if int(num) == num:
return "%d%sB" % (num, unit)
else:
return "%.1f%sB" % (num, unit)
num /= 1024.0
return "%.1fYB" % num
pl_size = self.extra_handler.skip(f, pb)
entry['extra'] = '... <%s>' % human_readable(pl_size)
else:
entry['extra'] = self.extra_handler.load(f, pb)
entries.append(entry)
return entries
def skip(self, f, pb): entry = pb2dict.pb2dict(pb) size = entry['size'] rounded = round_up(size, sizeof_u32) f.seek(rounded, os.SEEK_CUR) return size
def skip(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = sizeof_u16 * entry['nsems']
f.seek(round_up(size, sizeof_u64), os.SEEK_CUR)
return size
def skip(self, f, pb):
entry = pb2dict.pb2dict(pb)
size = entry['size']
rounded = round_up(size, sizeof_u32)
f.seek(rounded, os.SEEK_CUR)
return size
def skip(self, f, pb): entry = pb2dict.pb2dict(pb) size = sizeof_u16 * entry['nsems'] f.seek(round_up(size, sizeof_u64), os.SEEK_CUR) return size
