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libtins/include/loopback.h
2012-10-07 18:51:41 -03:00

95 lines
2.5 KiB
C++

/*
* libtins is a net packet wrapper library for crafting and
* interpreting sniffed packets.
*
* Copyright (C) 2011 Nasel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TINS_LOOPBACK_H
#define TINS_LOOPBACK_H
#include "pdu.h"
namespace Tins {
class Loopback : public PDU {
public:
/**
* This PDU's type.
*/
static const PDU::PDUType pdu_flag = PDU::LOOPBACK;
/**
* \brief Default constructs a Loopback PDU.
*
* The family identifier is left as zero.
*/
Loopback();
/**
* \brief Construct a Loopback object.
*
* \param family_id The family id to be used.
* \param inner_pdu The inner pdu to be set.
*/
Loopback(uint32_t family_id, PDU *inner_pdu = 0);
/**
* \brief Construct a Loopback object from a buffer.
*
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
Loopback(const uint8_t *buffer, uint32_t total_sz);
/**
* \brief Getter for the family identifier.
* \return The stored family identifier.
*/
uint32_t family() const { return _family; }
/**
* \brief Setter for the family identifier.
* \param family_id The family identifier to be set.
*/
void family(uint32_t family_id);
/**
* \sa PDU::header_size
*/
uint32_t header_size() const;
/**
* \brief Getter for the PDU's type.
* \sa PDU::pdu_type
*/
PDUType pdu_type() const { return PDU::IP; }
/**
* \sa PDU::clone
*/
Loopback *clone() const {
return new Loopback(*this);
}
private:
void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
uint32_t _family;
};
}
#endif // TINS_LOOPBACK_H