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//
// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "CacheDataHandler.hpp"
#include <log/log.h>
namespace armnn_driver
{
CacheDataHandler& CacheDataHandlerInstance()
{
static CacheDataHandler instance;
return instance;
}
void CacheDataHandler::Register(const HidlToken token, const size_t hashValue, const size_t cacheSize)
{
if (m_CacheDataMap.find(hashValue) != m_CacheDataMap.end()
&& m_CacheDataMap.at(hashValue).GetToken() == token
&& m_CacheDataMap.at(hashValue).GetCacheSize() == cacheSize)
{
ALOGV("CacheHandler::Register() Hash value has already registered.");
return;
}
CacheHandle cacheHandle(token, cacheSize);
m_CacheDataMap.insert({hashValue, cacheHandle});
}
bool CacheDataHandler::Validate(const HidlToken token, const size_t hashValue, const size_t cacheSize) const
{
return (m_CacheDataMap.find(hashValue) != m_CacheDataMap.end()
&& m_CacheDataMap.at(hashValue).GetToken() == token
&& m_CacheDataMap.at(hashValue).GetCacheSize() == cacheSize);
}
size_t CacheDataHandler::Hash(std::vector<uint8_t>& cacheData)
{
std::size_t hash = cacheData.size();
for (auto& i : cacheData)
{
hash = ((hash << 5) - hash) + i;
}
return hash;
}
size_t CacheDataHandler::GetCacheSize(HidlToken token)
{
for (auto i = m_CacheDataMap.begin(); i != m_CacheDataMap.end(); ++i)
{
if (i->second.GetToken() == token)
{
return i->second.GetCacheSize();
}
}
return 0;
}
void CacheDataHandler::Clear()
{
m_CacheDataMap.clear();
}
} // armnn_driver
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