Generate RFC-style ASCII packet diagrams from field definitions
Project description
pktfmt
Generate RFC-style ASCII packet diagrams from field definitions.
Installation
pip install pktfmt
Usage
Inline format
pktfmt "Type:16,Length:16,Payload:*"
Output:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
: Payload :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
JSON file
pktfmt packet.json
{
"name": "MyPacket",
"fields": [
{"name": "Type", "bits": 16},
{"name": "Length", "bits": 16},
{"name": "Payload", "bits": "*"}
]
}
Options
pktfmt "Type:16,Data:32" --bits-per-row 16 # Custom row width
pktfmt "Type:32" --no-ruler # Omit bit number header
Field syntax
Name:N- Fixed-width field of N bitsName:*- Variable-length field (rendered with:borders)
License
MIT
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