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92 lines
3.4 KiB
92 lines
3.4 KiB
/* Copyright Statement: |
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* * |
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* * This software/firmware and related documentation ("MediaTek Software") are |
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* * protected under relevant copyright laws. The information contained herein |
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* * is confidential and proprietary to MediaTek Inc. and/or its licensors. |
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* * Without the prior written permission of MediaTek inc. and/or its licensors, |
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* * any reproduction, modification, use or disclosure of MediaTek Software, |
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* * and information contained herein, in whole or in part, shall be strictly prohibited. |
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* * |
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* * MediaTek Inc. (C) 2016. All rights reserved. |
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* * |
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* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
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* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
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* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON |
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* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, |
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* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF |
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* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. |
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* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE |
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* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR |
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* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH |
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* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES |
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* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES |
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* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK |
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* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR |
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* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND |
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* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, |
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* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, |
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* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO |
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* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. |
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* * |
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* * The following software/firmware and/or related documentation ("MediaTek Software") |
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* * have been modified by MediaTek Inc. All revisions are subject to any receiver's |
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* * applicable license agreements with MediaTek Inc. |
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* */ |
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#pragma once |
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#include <iomanip> |
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#include <memory> |
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#include <mutex> |
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#include <sstream> |
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#include <string> |
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#include <base/macros.h> |
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namespace vendor { |
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namespace mediatek { |
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namespace bluetooth { |
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namespace stack { |
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template <typename T> |
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std::string DataArrayToString(const T* arr, size_t array_len) { |
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std::stringstream ss; |
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int temp(0); |
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for (size_t i(0); i < array_len; i++) { |
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temp = static_cast<int>(arr[i]); |
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ss << " " << std::uppercase << std::setfill('0') << std::hex << std::setw(2) |
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<< temp; |
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} |
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return ss.str(); |
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} |
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template <typename T> |
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class Singleton { |
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public: |
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static T* GetInstance() { |
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std::call_once(GetOnceFlag(), [] { instance_.reset(new T()); }); |
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return instance_.get(); |
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} |
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protected: |
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explicit Singleton<T>() = default; |
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~Singleton<T>() = default; |
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private: |
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static std::once_flag& GetOnceFlag() { |
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static std::once_flag oncecall_; |
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return oncecall_; |
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} |
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static std::unique_ptr<T> instance_; |
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DISALLOW_COPY_AND_ASSIGN(Singleton); |
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}; |
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template <typename T> |
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std::unique_ptr<T> Singleton<T>::instance_ = nullptr; |
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} // namespace stack |
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} // namespace bluetooth |
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} // namespace mediatek |
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} // namespace vendor
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