def testPCapPacketHeaderInit():
header = pcap.PCapPacketHeader()
assert header._format == 'IIII'
assert header._size == 16
assert header.incl_len == 0
assert header.orig_len == 0
assert header._data == str(header)
assert header._swap == '@'
ts, usec = dmc.getTimestampUTC()
header.ts_sec, header.ts_usec = ts, usec
float_ts = float(ts) + (float(usec) / 1e6)
assert header.ts == float_ts
assert header.timestamp == datetime.datetime.utcfromtimestamp(float_ts)
def testPCapPacketHeaderInit():
header = pcap.PCapPacketHeader()
assert header._format == "IIII"
assert header._size == 16
assert header.incl_len == 0
assert header.orig_len == 0
assert header._data == header.pack()
assert header._swap == "@"
ts, usec = dmc.get_timestamp_utc()
header.ts_sec, header.ts_usec = ts, usec
float_ts = float(ts) + (float(usec) / 1e6)
assert header.ts == float_ts
assert header.timestamp == datetime.datetime.utcfromtimestamp(float_ts)
def testSegmentSeconds(log_info):
try:
header = pcap.PCapPacketHeader(orig_len=1)
with pcap.open(TmpFilename, 'w') as output:
for p in range(10):
header.ts_sec = p
output.write(str(p), header)
pcap.segment(TmpFilename, 'foo.pcap', nseconds=2, dryrun=True)
expected = 'Would write 58 bytes, 2 packets, 2 seconds to foo.pcap.'
assert len(log_info.call_args_list) == 5
for call in log_info.call_args_list:
assert call[0][0] == expected
finally:
os.unlink(TmpFilename)
def testPCapPacketHeader():
header = pcap.PCapPacketHeader()
assert time.time() - header.ts <= 1
assert header.incl_len == 0
assert header.orig_len == 0
assert str(header) == header._data