mirror of
https://github.com/bluekitchen/btstack.git
synced 2024-12-28 15:20:39 +00:00
117 lines
2.7 KiB
Python
Executable File
117 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# BlueKitchen GmbH (c) 2014
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# convert log output to PacketLogger format
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# can be viewed with Wireshark
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# APPLE PacketLogger
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# typedef struct {
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# uint32_t len;
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# uint32_t ts_sec;
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# uint32_t ts_usec;
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# uint8_t type; // 0xfc for note
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# }
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import re
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import sys
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import time
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packet_counter = 0
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last_time = None
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def chop(line, prefix):
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if line.startswith(prefix):
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return line[len(prefix):]
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return None
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def str2hex(value):
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if value:
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return int(value, 16)
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return None
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def arrayForNet32(value):
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return bytearray([value >> 24, (value >> 16) & 0xff, (value >> 8) & 0xff, value & 0xff])
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def generateTimestamp(t):
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global last_time
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global packet_counter
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# use last_time if time missing for this entry
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if not t:
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t = last_time
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if t:
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last_time = t
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# handle ms
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try:
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(t1, t2) = t.split('.')
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if t1 and t2:
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t_obj = time.strptime(t1, "%Y-%m-%d %H:%M:%S")
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tv_sec = int(time.mktime(t_obj))
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tv_usec = int(t2) * 1000
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return (tv_sec, tv_usec)
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except ValueError:
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# print 'Cannot parse time', t
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pass
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packet_counter += 1
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return (packet_counter, 0)
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def dumpPacket(fout, timestamp, type, data):
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length = 9 + len(data)
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(tv_sec, tv_usec) = generateTimestamp(timestamp)
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fout.write(arrayForNet32(length))
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fout.write(arrayForNet32(tv_sec))
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fout.write(arrayForNet32(tv_usec))
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fout.write(bytearray([type]))
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fout.write(data)
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def handleHexPacket(fout, timestamp, type, text):
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try:
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data = bytearray(map(str2hex, text.strip().split()))
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dumpPacket(fout, timestamp, type, data)
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except TypeError:
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print 'Cannot parse hexdump', text.strip()
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if len(sys.argv) == 1:
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print 'BTstack Console to PacketLogger converter'
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print 'Copyright 2014, BlueKitchen GmbH'
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print ''
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print 'Usage: ', sys.argv[0], 'asci-log-file.txt [hci_dump.pkgl]'
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print 'Converted hci_dump.pklg can be viewed with Wireshark and OS X PacketLogger'
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exit(0)
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infile = sys.argv[1]
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outfile = 'hci_dump.pklg'
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if len(sys.argv) > 2:
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outfile = sys.argv[2]
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# with open(outfile, 'w') as fout:
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with open (outfile, 'wb') as fout:
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with open (infile, 'rb') as fin:
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packet_counter = 0
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for line in fin:
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# print line
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timestamp = None
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parts = parts = re.match('\[(.*)\] (.*)', line)
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if parts and len(parts.groups()) == 2:
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(timestamp, line) = parts.groups()
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rest = chop(line,'CMD => ')
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if rest:
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handleHexPacket(fout, timestamp, 0, rest)
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continue
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rest = chop(line,'EVT <= ')
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if rest:
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handleHexPacket(fout, timestamp, 1, rest)
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continue
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rest = chop(line,'ACL => ')
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if rest:
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handleHexPacket(fout, timestamp, 2, rest)
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continue
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rest = chop(line,'ACL <= ')
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if rest:
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handleHexPacket(fout, timestamp, 3, rest)
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continue
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rest = chop(line,'LOG -- ')
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if rest:
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line = rest
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dumpPacket(fout, timestamp, 0xfc, line)
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