72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* Copyright (c) 2017, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cstring>
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#include <tins/exceptions.h>
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#include <tins/pktap.h>
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#include <tins/exceptions.h>
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#include <tins/memory_helpers.h>
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#include <tins/detail/pdu_helpers.h>
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using Tins::Memory::InputMemoryStream;
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namespace Tins {
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PKTAP::PKTAP() : header_() {
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}
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PKTAP::PKTAP(const uint8_t* buffer, uint32_t total_sz) {
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InputMemoryStream stream(buffer, total_sz);
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stream.read(header_);
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uint32_t header_length = header_.length;
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if (header_length > total_sz || header_length < sizeof(header_)) {
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throw malformed_packet();
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}
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stream.skip(header_length - sizeof(header_));
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if (header_.next && stream) {
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inner_pdu(
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Internals::pdu_from_dlt_flag(
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header_.dlt,
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stream.pointer(),
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stream.size()
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)
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);
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}
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}
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uint32_t PKTAP::header_size() const {
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return sizeof(header_);
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}
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void PKTAP::write_serialization(uint8_t* /*buffer*/, uint32_t /*total_sz*/) {
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throw pdu_not_serializable();
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}
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} // Tins
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