kytos /
python-openflow
| @@ 120-145 (lines=26) @@ | ||
| 117 | return ceil(current_size / 8) * 8 |
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| 118 | raise ValueError(f'Invalid value "{value}" for Action*.get_size()') |
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| 119 | ||
| 120 | def unpack(self, buff, offset=0): |
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| 121 | """Unpack a binary message into this object's attributes. |
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| 122 | ||
| 123 | Unpack the binary value *buff* and update this object attributes based |
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| 124 | on the results. |
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| 125 | ||
| 126 | Args: |
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| 127 | buff (bytes): Binary data package to be unpacked. |
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| 128 | offset (int): Where to begin unpacking. |
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| 129 | ||
| 130 | Raises: |
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| 131 | Exception: If there is a struct unpacking error. |
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| 132 | ||
| 133 | """ |
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| 134 | self.action_type = UBInt16(enum_ref=ActionType) |
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| 135 | self.action_type.unpack(buff, offset) |
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| 136 | ||
| 137 | self.length = UBInt16() |
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| 138 | self.length.unpack(buff, offset=offset+2) |
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| 139 | ||
| 140 | for cls in ActionHeader.__subclasses__(): |
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| 141 | if self.action_type.value in cls.get_allowed_types(): |
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| 142 | self.__class__ = cls |
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| 143 | break |
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| 144 | ||
| 145 | super().unpack(buff[:offset+self.length], offset) |
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| 146 | ||
| 147 | @classmethod |
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| 148 | def get_allowed_types(cls): |
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| @@ 79-101 (lines=23) @@ | ||
| 76 | self.action_type = action_type |
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| 77 | self.length = length |
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| 78 | ||
| 79 | def unpack(self, buff, offset=0): |
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| 80 | """Unpack a binary message into this object's attributes. |
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| 81 | ||
| 82 | Unpack the binary value *buff* and update this object attributes based |
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| 83 | on the results. |
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| 84 | ||
| 85 | Args: |
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| 86 | buff (bytes): Binary data package to be unpacked. |
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| 87 | offset (int): Where to begin unpacking. |
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| 88 | ||
| 89 | Raises: |
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| 90 | Exception: If there is a struct unpacking error. |
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| 91 | ||
| 92 | """ |
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| 93 | self.action_type = UBInt16(enum_ref=ActionType) |
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| 94 | self.action_type.unpack(buff, offset) |
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| 95 | ||
| 96 | for cls in ActionHeader.__subclasses__(): |
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| 97 | if self.action_type.value in cls.get_allowed_types(): |
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| 98 | self.__class__ = cls |
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| 99 | break |
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| 100 | ||
| 101 | super().unpack(buff, offset) |
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| 102 | ||
| 103 | @classmethod |
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| 104 | def get_allowed_types(cls): |
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