120 lines
3.2 KiB
C++
120 lines
3.2 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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#ifndef TINS_PKTAP_H
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#define TINS_PKTAP_H
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#include <tins/pdu.h>
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#include <tins/macros.h>
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// This class is only available if pcap is enabled
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#ifdef TINS_HAVE_PCAP
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namespace Tins {
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/**
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* \brief Represents a PKTAP PDU
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*/
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class TINS_API PKTAP : public PDU {
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public:
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/**
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* This PDU's flag.
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*/
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static const PDU::PDUType pdu_flag = PDU::PKTAP;
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/**
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* Default constructor.
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*/
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PKTAP();
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/**
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* \brief Constructs a PKTAP object from a buffer and adds all
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* identifiable PDUs found in the buffer as children of this
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* one.
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*
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* If there is not enough size for an IP header, a
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* malformed_packet exception is thrown.
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*
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* \param buffer The buffer from which this PDU will be constructed.
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* \param total_sz The total size of the buffer.
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*/
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PKTAP(const uint8_t* buffer, uint32_t total_sz);
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/**
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* \brief Getter for the PDU's type.
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* \sa PDU::pdu_type
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*/
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PDUType pdu_type() const {
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return pdu_flag;
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}
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/**
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* \brief Returns the header size.
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*
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* This method overrides PDU::header_size.
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* \sa PDU::header_size
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*/
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uint32_t header_size() const;
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/**
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* \sa PDU::clone
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*/
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PKTAP* clone() const {
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return new PKTAP(*this);
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}
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private:
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struct pktap_header {
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uint32_t length;
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uint32_t next;
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uint32_t dlt;
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uint8_t pth_ifname[24];
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uint32_t flags;
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uint32_t protocol_family;
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uint32_t header_length;
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uint32_t trailer_length;
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uint32_t pid;
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uint8_t command[20];
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uint32_t service_class;
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uint16_t interface_type;
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uint16_t interface_unit;
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uint32_t epid;
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uint8_t ecommand[20];
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};
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void write_serialization(uint8_t* buffer, uint32_t total_sz);
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pktap_header header_;
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};
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} // Tins
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#endif // TINS_HAVE_PCAP
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#endif // TINS_PKTAP_H
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