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