mirror of
https://github.com/blakeblackshear/frigate.git
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109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <migraphx/tmp_dir.hpp>
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#include <migraphx/env.hpp>
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#include <migraphx/errors.hpp>
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#include <migraphx/process.hpp>
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#include <migraphx/ranges.hpp>
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#include <algorithm>
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#include <random>
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#include <thread>
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#include <sstream>
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#include <iostream>
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#include <string>
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#ifdef _WIN32
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// cppcheck-suppress definePrefix
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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#undef getpid
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// cppcheck-suppress [definePrefix, defineUpperCase]
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#define getpid _getpid
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#else
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#include <unistd.h>
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#include <sys/types.h>
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#endif
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namespace migraphx {
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inline namespace MIGRAPHX_INLINE_NS {
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MIGRAPHX_DECLARE_ENV_VAR(MIGRAPHX_DEBUG_SAVE_TEMP_DIR)
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std::string random_string(std::string::size_type length)
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{
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static const std::string& chars = "0123456789"
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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std::mt19937 rg{std::random_device{}()};
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std::uniform_int_distribution<std::string::size_type> pick(0, chars.length() - 1);
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std::string str(length, 0);
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std::generate(str.begin(), str.end(), [&] { return chars[pick(rg)]; });
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return str;
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}
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std::string unique_string(const std::string& prefix)
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{
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auto pid = getpid();
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auto tid = std::this_thread::get_id();
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auto clk = std::chrono::steady_clock::now().time_since_epoch().count();
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std::stringstream ss;
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ss << std::hex << prefix << "-" << pid << "-" << tid << "-" << clk << "-" << random_string(16);
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return ss.str();
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}
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tmp_dir::tmp_dir(std::string_view prefix)
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: path(fs::temp_directory_path() /
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unique_string(prefix.empty() ? "migraphx" : "migraphx-" + std::string{prefix}))
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{
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fs::create_directories(this->path);
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}
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void tmp_dir::execute(std::string_view cmd, const std::vector<std::string>& args) const
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{
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process{cmd, args}.cwd(this->path).exec();
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}
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tmp_dir::~tmp_dir()
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{
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if(not enabled(MIGRAPHX_DEBUG_SAVE_TEMP_DIR{}))
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{
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constexpr int max_retries_count = 5;
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for([[maybe_unused]] auto count : range(max_retries_count))
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{
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std::error_code ec;
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fs::remove_all(path, ec);
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if(not ec)
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break;
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std::cerr << "Failed to remove " << path << ": " << ec.message() << std::endl;
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std::this_thread::sleep_for(std::chrono::milliseconds(125));
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}
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}
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}
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} // namespace MIGRAPHX_INLINE_NS
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} // namespace migraphx
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