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tool/dump_pklg: detect end of file without error message

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This commit is contained in:
Matthias Ringwald 2019-08-22 15:02:03 +02:00
parent 7b71b67d6f
commit a0ecb5f3e0
1 changed files with 10 additions and 0 deletions
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10
tool/dump_pklg.py
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@ -20,9 +20,17 @@ packet_types = [ "CMD =>", "EVT <=", "ACL =>", "ACL <="]
def read_net_32(f): def read_net_32(f):
a = f.read(1) a = f.read(1)
if a == '':
return -1
b = f.read(1) b = f.read(1)
if b == '':
return -1
c = f.read(1) c = f.read(1)
if c == '':
return -1
d = f.read(1) d = f.read(1)
if d == '':
return -1
return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d) return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d)
def as_hex(data): def as_hex(data):
@ -45,6 +53,8 @@ with open (infile, 'rb') as fin:
try: try:
while True: while True:
len = read_net_32(fin) len = read_net_32(fin)
if len < 0:
break
ts_sec = read_net_32(fin) ts_sec = read_net_32(fin)
ts_usec = read_net_32(fin) ts_usec = read_net_32(fin)
type = ord(fin.read(1)) type = ord(fin.read(1))