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								#!/usr/bin/env python
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											2016-05-25 11:37:40 -04:00
										 
									 
								 
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								# Script to parse a serial port data dump
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								#
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								# Copyright (C) 2016  Kevin O'Connor <kevin@koconnor.net>
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								#
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								# This file may be distributed under the terms of the GNU GPLv3 license.
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								import os, sys, logging
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								import msgproto
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								def read_dictionary(filename):
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								    dfile = open(filename, 'rb')
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								    dictionary = dfile.read()
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								    dfile.close()
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								    return dictionary
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								def main():
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								    dict_filename, data_filename = sys.argv[1:]
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								    dictionary = read_dictionary(dict_filename)
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								    mp = msgproto.MessageParser()
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								    mp.process_identify(dictionary, decompress=False)
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								    f = open(data_filename, 'rb')
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								    fd = f.fileno()
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								    data = bytearray()
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								    while 1:
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								        newdata = os.read(fd, 4096)
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								        if not newdata:
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								            break
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								        data += bytearray(newdata)
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								        while 1:
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								            l = mp.check_packet(data)
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								            if l == 0:
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								                break
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								            if l < 0:
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								                logging.error("Invalid data")
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								                data = data[-l:]
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								                continue
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								            msgs = mp.dump(data[:l])
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								            sys.stdout.write('\n'.join(msgs[1:]) + '\n')
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								            data = data[l:]
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								if __name__ == '__main__':
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								    main()
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