_site/cover/pcapng_enhanced_packet_block.COVER.html

1 %% Copyright (c) 2015 Peter Morgan <peter.james.morgan@gmail.com>
2 %%
3 %% Licensed under the Apache License, Version 2.0 (the "License");
4 %% you may not use this file except in compliance with the License.
5 %% You may obtain a copy of the License at
6 %%
7 %% http://www.apache.org/licenses/LICENSE-2.0
8 %%
9 %% Unless required by applicable law or agreed to in writing, software
10 %% distributed under the License is distributed on an "AS IS" BASIS,
11 %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 %% See the License for the specific language governing permissions and
13 %% limitations under the License.
14
15 -module(pcapng_enhanced_packet_block).
16 -export([parse/2]).
17
18
19 -spec parse(binary(), fun((binary()) -> integer())) -> map().
20
21 parse(Body, I) ->
22 1524 <<
23 InterfaceID:32/bits,
24 TimestampHigh:32/bits,
25 TimestampLow:32/bits,
26 CapturedLen:32/bits,
27 PacketLen:32/bits,
28 PacketOptionsData/binary
29 >> = Body,
30
31 1524 #{body := Packet,
32 remainder := Options} = pcapng:variable_length(PacketOptionsData,
33 I(CapturedLen)),
34 1524 #{
35 type => enhanced_packet_block,
36 interface_id => I(InterfaceID),
37 timestamp_high => I(TimestampHigh),
38 timestamp_low => I(TimestampLow),
39 captured_len => I(CapturedLen),
40 packet_len => I(PacketLen),
41 packet => pcapng_ethernet:decode(Packet),
42 options => pcapng_options:parse(Options, I)
43 }.
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