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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// --------------------------------------------------------------------------------------------------
// configuration.cpp
//
//
// Access and update configuration values, falling back on legacy CLRConfig methods where necessary.
//
// --------------------------------------------------------------------------------------------------
#include "stdafx.h"
#include "clrconfig.h"
#include "configuration.h"
LPCWSTR *knobNames = nullptr;
LPCWSTR *knobValues = nullptr;
int numberOfKnobs = 0;
void Configuration::InitializeConfigurationKnobs(int numberOfConfigs, LPCWSTR *names, LPCWSTR *values)
{
numberOfKnobs = numberOfConfigs;
// Neither should be null, or both should be null
_ASSERT(!((names == nullptr) ^ (values == nullptr)));
knobNames = names;
knobValues = values;
}
static LPCWSTR GetConfigurationValue(LPCWSTR name)
{
_ASSERT(name != nullptr);
if (name == nullptr || knobNames == nullptr || knobValues == nullptr)
{
return nullptr;
}
for (int i = 0; i < numberOfKnobs; ++i)
{
_ASSERT(knobNames[i] != nullptr);
if (wcscmp(name, knobNames[i]) == 0)
{
return knobValues[i];
}
}
return nullptr;
}
DWORD Configuration::GetKnobDWORDValue(LPCWSTR name, const CLRConfig::ConfigDWORDInfo& dwordInfo)
{
bool returnedDefaultValue;
DWORD legacyValue = CLRConfig::GetConfigValue(dwordInfo, true /* acceptExplicitDefaultFromRegutil */, &returnedDefaultValue);
if (!returnedDefaultValue)
{
return legacyValue;
}
LPCWSTR knobValue = GetConfigurationValue(name);
if (knobValue != nullptr)
{
return wcstoul(knobValue, nullptr, 0);
}
return legacyValue;
}
DWORD Configuration::GetKnobDWORDValue(LPCWSTR name, DWORD defaultValue)
{
LPCWSTR knobValue = GetConfigurationValue(name);
if (knobValue != nullptr)
{
return wcstoul(knobValue, nullptr, 0);
}
return defaultValue;
}
LPCWSTR Configuration::GetKnobStringValue(LPCWSTR name, const CLRConfig::ConfigStringInfo& stringInfo)
{
LPCWSTR value = CLRConfig::GetConfigValue(stringInfo);
if (value == nullptr)
{
value = GetConfigurationValue(name);
}
return value;
}
LPCWSTR Configuration::GetKnobStringValue(LPCWSTR name)
{
return GetConfigurationValue(name);
}
bool Configuration::GetKnobBooleanValue(LPCWSTR name, const CLRConfig::ConfigDWORDInfo& dwordInfo)
{
bool returnedDefaultValue;
DWORD legacyValue = CLRConfig::GetConfigValue(dwordInfo, true /* acceptExplicitDefaultFromRegutil */, &returnedDefaultValue);
if (!returnedDefaultValue)
{
return (legacyValue != 0);
}
LPCWSTR knobValue = GetConfigurationValue(name);
if (knobValue != nullptr)
{
return (wcscmp(knobValue, W("true")) == 0);
}
return (legacyValue != 0);
}
bool Configuration::GetKnobBooleanValue(LPCWSTR name, bool defaultValue)
{
LPCWSTR knobValue = GetConfigurationValue(name);
if (knobValue != nullptr)
{
return (wcscmp(knobValue, W("true")) == 0);
}
return defaultValue;
}
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