hunting/utils/Log/abstract/ILogCpp.cpp
2024-06-15 08:36:44 +08:00

46 lines
1.7 KiB
C++

/*
* Copyright (c) 2023 Fancy Code.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ILogCpp.h"
#include <memory>
std::shared_ptr<ILogCpp> &ILogCpp::GetInstance(std::shared_ptr<ILogCpp> *impl)
{
static std::shared_ptr<ILogCpp> instance = std::make_shared<ILogCpp>();
static bool instanceChanging = false;
if (impl && false == instanceChanging)
{
// Don't use std::mutex for runing faster.
// Sleep for difference thread to release instance.
instanceChanging = true;
// std::this_thread::sleep_for(std::chrono::milliseconds(100)); // Don't sleep and make sure that start fast.
if (instance.use_count() == 1) // bug?
{
// LogInfo("Instance change succeed.\n");
// instance->UnInit();
// (*impl)->Init();
instance = *impl;
}
else
{
// LogError("[ error ] instance change failed, using by some one.\n");
}
instanceChanging = false;
}
if (instanceChanging)
{
static std::shared_ptr<ILogCpp> tmporaryInstance = std::make_shared<ILogCpp>();
return tmporaryInstance;
}
return instance;
}