148 lines
4.5 KiB
C++
148 lines
4.5 KiB
C++
/*
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* Copyright (c) 2016-2017, NVIDIA CORPORATION. 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
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* are met:
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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 copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* 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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* @file
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* <b>Libargus API: UUID API</b>
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*
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* @b Description: Defines the UUID types used by libargus.
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*/
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#ifndef _ARGUS_UUID_H
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#define _ARGUS_UUID_H
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#include <stdint.h>
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#include <cstring>
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namespace Argus
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{
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const uint32_t MAX_UUID_NAME_SIZE = 32;
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/**
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* A universally unique identifier.
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*/
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struct UUID
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{
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uint32_t time_low;
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uint16_t time_mid;
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uint16_t time_hi_and_version;
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uint16_t clock_seq;
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uint8_t node[6];
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bool operator==(const UUID &r) const
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{
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return memcmp(this, &r, sizeof(UUID)) == 0;
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}
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bool operator<(const UUID &r) const
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{
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return memcmp(this, &r, sizeof(UUID)) < 0;
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}
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};
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/**
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* A universally unique identifier with a name (used for debugging purposes).
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*/
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class NamedUUID : public UUID
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{
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public:
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NamedUUID(uint32_t time_low_
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, uint16_t time_mid_
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, uint16_t time_hi_and_version_
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, uint16_t clock_seq_
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, uint8_t c0, uint8_t c1, uint8_t c2, uint8_t c3, uint8_t c4, uint8_t c5
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, const char* name)
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{
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time_low = time_low_;
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time_mid = time_mid_;
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time_hi_and_version = time_hi_and_version_;
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clock_seq = clock_seq_;
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node[0] = c0; node[1] = c1; node[2] = c2; node[3] = c3; node[4] = c4; node[5] = c5;
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strncpy(m_name, name, sizeof(m_name)-1);
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m_name[sizeof(m_name)-1] = '\0';
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}
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NamedUUID(const NamedUUID& copied)
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: UUID(copied)
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{
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strncpy(m_name, copied.m_name, sizeof(m_name)-1);
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m_name[sizeof(m_name)-1] = '\0';
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}
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NamedUUID& operator=(const NamedUUID& copied)
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{
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static_cast<UUID&>(*this) = copied;
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return *this;
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}
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bool operator==(const NamedUUID& compared) const
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{
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return static_cast<const UUID&>(*this) == compared;
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}
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bool operator!=(const NamedUUID& compared) const
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{
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return !(static_cast<const UUID&>(*this) == compared);
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}
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const char* getName() const { return m_name; }
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private:
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char m_name[MAX_UUID_NAME_SIZE];
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NamedUUID();
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};
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/// Helper macro used to define NamedUUID-derived values.
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#define DEFINE_UUID(TYPE, NAME, l, s0, s1, s2, c0,c1,c2,c3,c4,c5) \
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static const TYPE NAME(0x##l, 0x##s0, 0x##s1, 0x##s2, \
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0x##c0, 0x##c1, 0x##c2, 0x##c3, 0x##c4, 0x##c5, #NAME);
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#define DEFINE_NAMED_UUID_CLASS(NAME) \
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class NAME : public NamedUUID \
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{ \
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public: \
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NAME(uint32_t time_low_ \
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, uint16_t time_mid_ \
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, uint16_t time_hi_and_version_ \
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, uint16_t clock_seq_ \
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, uint8_t c0, uint8_t c1, uint8_t c2, uint8_t c3, uint8_t c4, uint8_t c5 \
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, const char* name) \
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: NamedUUID(time_low_, time_mid_, time_hi_and_version_, clock_seq_, \
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c0, c1, c2, c3, c4, c5, name) \
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{} \
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private: \
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NAME();\
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};
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} // namespace Argus
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#endif // _ARGUS_UUID_H
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