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%% Copyright (c) 2015 Peter Morgan <peter.james.morgan@gmail.com> |
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%% |
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%% Licensed under the Apache License, Version 2.0 (the "License"); |
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%% you may not use this file except in compliance with the License. |
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%% You may obtain a copy of the License at |
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%% |
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%% http://www.apache.org/licenses/LICENSE-2.0 |
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%% |
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%% Unless required by applicable law or agreed to in writing, software |
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%% distributed under the License is distributed on an "AS IS" BASIS, |
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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%% See the License for the specific language governing permissions and |
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%% limitations under the License. |
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-module(pcapng_packet_block). |
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-export([parse/2]). |
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-spec parse(binary(), fun((binary()) -> integer())) -> map(). |
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parse(Body, I) -> |
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:-( |
<< |
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InterfaceID:16/bits, |
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DropsCount:16/bits, |
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TimestampHigh:32/bits, |
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TimestampLow:32/bits, |
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CapturedLen:32/bits, |
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PacketLen:32/bits, |
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PacketOptionsData/binary |
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>> = Body, |
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:-( |
#{body := Packet, |
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remainder := Options} = pcapng:variable_length(PacketOptionsData, |
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I(CapturedLen)), |
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:-( |
#{type => packet_block, |
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interface_id => I(InterfaceID), |
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drops_count => I(DropsCount), |
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timestamp_high => TimestampHigh, |
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timestamp_low => TimestampLow, |
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captured_len => CapturedLen, |
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packet_len => PacketLen, |
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packet => pcapng_ethernet:decode(Packet), |
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options => pcapng_options:parse(Options, I) |
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}. |