mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-01-01 00:28:18 +00:00
76 lines
1.6 KiB
Python
Executable File
76 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# BlueKitchen GmbH (c) 2014
|
|
|
|
# primitive dump for PacketLogger format
|
|
|
|
# APPLE PacketLogger
|
|
# typedef struct {
|
|
# uint32_t len;
|
|
# uint32_t ts_sec;
|
|
# uint32_t ts_usec;
|
|
# uint8_t type; // 0xfc for note
|
|
# }
|
|
|
|
import re
|
|
import sys
|
|
import time
|
|
import datetime
|
|
|
|
packet_types = [ "CMD =>", "EVT <=", "ACL =>", "ACL <="]
|
|
|
|
def read_net_32(f):
|
|
a = f.read(1)
|
|
if a == '':
|
|
return -1
|
|
b = f.read(1)
|
|
if b == '':
|
|
return -1
|
|
c = f.read(1)
|
|
if c == '':
|
|
return -1
|
|
d = f.read(1)
|
|
if d == '':
|
|
return -1
|
|
return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d)
|
|
|
|
def as_hex(data):
|
|
str_list = []
|
|
for byte in data:
|
|
str_list.append("{0:02x} ".format(ord(byte)))
|
|
return ''.join(str_list)
|
|
|
|
if len(sys.argv) == 1:
|
|
print 'Dump PacketLogger file'
|
|
print 'Copyright 2014, BlueKitchen GmbH'
|
|
print ''
|
|
print 'Usage: ', sys.argv[0], 'hci_dump.pklg'
|
|
exit(0)
|
|
|
|
infile = sys.argv[1]
|
|
|
|
with open (infile, 'rb') as fin:
|
|
pos = 0
|
|
try:
|
|
while True:
|
|
len = read_net_32(fin)
|
|
if len < 0:
|
|
break
|
|
ts_sec = read_net_32(fin)
|
|
ts_usec = read_net_32(fin)
|
|
type = ord(fin.read(1))
|
|
packet_len = len - 9;
|
|
if (packet_len > 66000):
|
|
print ("Error parsing pklg at offset %u (%x)." % (pos, pos))
|
|
break
|
|
packet = fin.read(packet_len)
|
|
pos = pos + 4 + len
|
|
time = "[%s.%03u]" % (datetime.datetime.fromtimestamp(ts_sec).strftime("%Y-%m-%d %H:%M:%S"), ts_usec / 1000)
|
|
if type == 0xfc:
|
|
print time, "LOG", packet
|
|
continue
|
|
if type <= 0x03:
|
|
print time, packet_types[type], as_hex(packet)
|
|
except TypeError:
|
|
print ("Error parsing pklg at offset %u (%x)." % (pos, pos))
|
|
|