mirror of
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56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import bitstring
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import json
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import collections
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parser = argparse.ArgumentParser(description="Pretty print wire-optimized Pebble Bluetooth logs.")
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parser.add_argument('filename', help="File containing a series of packed LogBtMessages.")
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MESSAGE_SIZE_BYTES = 4 + 4 + 1 + 1 + 2 + 16 + 128
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def printBitStream(bit_stream):
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for message in bit_stream.cut(MESSAGE_SIZE_BYTES * 8):
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printMessage(message)
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return
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def printMessage(message):
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results = message.unpack('uintbe:16, uintbe:16, uintbe:32, uintbe:8, uintbe:8, uintbe:16, hex:128, hex:1024')
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results = list(results)
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headers = (
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'pebble-message-length',
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'endpoint',
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'timestamp',
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'level',
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'log-message-length',
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'line-number',
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'filename',
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'log-message',
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)
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d = collections.OrderedDict(zip(headers, results))
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d['log-message'] = d['log-message'].decode('hex')[:d['log-message-length']]
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d['filename'] = d['filename'].split('0')[0].decode('hex')
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print(json.dumps(d, indent=4))
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return
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def main():
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args = parser.parse_args()
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bit_stream = bitstring.BitStream(filename=args.filename)
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printBitStream(bit_stream)
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return
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if __name__ == '__main__':
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main()
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