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85 lines
3.8 KiB
C++
85 lines
3.8 KiB
C++
/*******************************************************************************
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* libretroshare/src/serialiser: rstlvbinary.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2007-2008 by Robert Fernie,Chris Parker <retroshare@lunamutt.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#pragma once
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/*******************************************************************
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* These are the Compound TLV structures that must be (un)packed.
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*
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******************************************************************/
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#include "serialiser/rstlvitem.h"
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class RsTlvBinaryData: public RsTlvItem
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{
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public:
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RsTlvBinaryData();
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RsTlvBinaryData(uint16_t t);
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RsTlvBinaryData(const RsTlvBinaryData& b); // as per rule of three
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void operator=(const RsTlvBinaryData& b); // as per rule of three
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virtual ~RsTlvBinaryData(); // as per rule of three
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virtual uint32_t TlvSize() const;
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virtual void TlvClear(); /*! Initialize fields to empty legal values ( "0", "", etc) */
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virtual void TlvShallowClear(); /*! Don't delete the binary data */
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/// Serialise.
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/*! Serialise Tlv to buffer(*data) of 'size' bytes starting at *offset */
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virtual bool SetTlv(void *data, uint32_t size, uint32_t *offset) const;
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/// Deserialise.
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/*! Deserialise Tlv buffer(*data) of 'size' bytes starting at *offset */
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virtual bool GetTlv(void *data, uint32_t size, uint32_t *offset);
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virtual std::ostream &print(std::ostream &out, uint16_t indent) const; /*! Error/Debug util function */
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// mallocs the necessary size, and copies data into the allocated buffer in bin_data
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bool setBinData(const void *data, uint32_t size);
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uint16_t tlvtype; /// set/checked against TLV input
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uint32_t bin_len; /// size of malloc'ed data (not serialised)
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void *bin_data; /// mandatory
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};
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// This class is mainly used for on-the-fly serialization
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class RsTlvBinaryDataRef: public RsTlvItem
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{
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public:
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RsTlvBinaryDataRef(uint16_t type,uint8_t *& data_ref,uint32_t& size_ref) : mDataRef(data_ref),mSizeRef(size_ref),tlvtype(type) {}
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virtual ~RsTlvBinaryDataRef() {}
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virtual std::ostream &print(std::ostream &out, uint16_t indent) const;
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virtual uint32_t TlvSize() const;
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virtual void TlvClear(){}
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virtual bool SetTlv(void *data, uint32_t size, uint32_t *offset) const;
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virtual bool GetTlv(void *data, uint32_t size, uint32_t *offset);
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uint8_t *& mDataRef ;
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uint32_t & mSizeRef ;
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uint16_t tlvtype ;
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};
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