85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
//
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// Copyright © 2017 Arm Ltd. All rights reserved.
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// SPDX-License-Identifier: MIT
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//
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#pragma once
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#include <stdio.h>
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#include <string>
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#include <iostream>
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#include <sys/system_properties.h>
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#include <log/log.h>
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namespace {
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template<typename T>
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struct ConvStringTo;
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template<>
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struct ConvStringTo<float>
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{
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static float Func(std::string s) { return std::stof(s); }
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};
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template<>
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struct ConvStringTo<int>
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{
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static int Func(std::string s) { return std::stoi(s); }
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};
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template<>
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struct ConvStringTo<bool>
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{
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static bool Func(std::string s) { return !!std::stoi(s); }
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};
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template<typename T>
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void GetCapabilitiesProperties([[maybe_unused]]void* cookie,
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[[maybe_unused]]const char *name,
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[[maybe_unused]]const char *value,
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[[maybe_unused]]uint32_t serial)
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{
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T &prop = *reinterpret_cast<T*>(cookie);
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prop = ConvStringTo<T>::Func(std::string(value));
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}
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template<typename T>
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T ParseSystemProperty(const char* name, T defaultValue)
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{
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try
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{
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const prop_info *pInfo = __system_property_find(name);
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if (!pInfo)
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{
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ALOGW("ArmnnDriver::ParseSystemProperty(): Could not find property [%s].", name);
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} else
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{
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T property;
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__system_property_read_callback(pInfo, &GetCapabilitiesProperties<T>, &property);
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std::stringstream messageBuilder;
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messageBuilder << "ArmnnDriver::ParseSystemProperty(): Setting [" << name << "]=[" << property << "].";
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ALOGD("%s", messageBuilder.str().c_str());
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return property;
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}
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}
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catch(const std::invalid_argument& e)
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{
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ALOGD("ArmnnDriver::ParseSystemProperty(): Property [%s] has invalid data type.", name);
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}
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catch(const std::out_of_range& e)
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{
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ALOGD("ArmnnDriver::ParseSystemProperty(): Property [%s] out of range for the data type.", name);
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}
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catch (...)
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{
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ALOGD("ArmnnDriver::ParseSystemProperty(): Unexpected exception reading system "
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"property [%s].", name);
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}
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std::stringstream messageBuilder;
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messageBuilder << "ArmnnDriver::ParseSystemProperty(): Falling back to default value [" << defaultValue << "]";
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ALOGD("%s", messageBuilder.str().c_str());
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return defaultValue;
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}
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} //namespace
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