def unpack(self, binary_string):
if len(binary_string) <= 8:
binary_string = ofp_action_set_field.unpack(self)
else:
(self.type, self.len) = struct.unpack("!HH", binary_string[0:4])
binary_string = binary_string[4:]
binary_string = self.field.unpack(binary_string, bytes = self.len - 4)
padding_size = roundup(len(self.field) -4,8) - (len(self.field) -4)
if padding_size:
binary_string = binary_string[padding_size:]
return binary_string
def pack(self):
packed = ""
if len(self.field) <= 4:
packed += ofp_action_set_field.pack()
else:
self.len = len(self)
packed += struct.pack("!HH", self.type, self.len)
packed += self.field.pack()
padding_size = roundup(len(self.field) -4,8) - (len(self.field) -4)
if padding_size:
padding = [0] * padding_size
packed += struct.pack("!" + str(padding_size) + "B", *padding)
return packed
def unpack(self, binary_string):
if len(binary_string) <= 8:
binary_string = ofp_action_set_field.unpack(self)
else:
(self.type, self.len) = struct.unpack("!HH", binary_string[0:4])
binary_string = binary_string[4:]
binary_string = self.field.unpack(binary_string,
bytes=self.len - 4)
padding_size = roundup(len(self.field) - 4,
8) - (len(self.field) - 4)
if padding_size:
binary_string = binary_string[padding_size:]
return binary_string
def pack(self):
packed = ""
if len(self.field) <= 4:
packed += ofp_action_set_field.pack()
else:
self.len = len(self)
packed += struct.pack("!HH", self.type, self.len)
packed += self.field.pack()
padding_size = roundup(len(self.field) - 4,
8) - (len(self.field) - 4)
if padding_size:
padding = [0] * padding_size
packed += struct.pack("!" + str(padding_size) + "B", *padding)
return packed
def __len__(self):
return roundup(4 + len(self.field),8)
def __len__(self):
return roundup(4 + 4,8)
def __len__(self):
return roundup(4 + len(self.field), 8)
def __len__(self):
return roundup(4 + 4, 8)
