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-rw-r--r--src/utils/cpp/tmp_dir.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/utils/cpp/tmp_dir.cpp b/src/utils/cpp/tmp_dir.cpp
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+++ b/src/utils/cpp/tmp_dir.cpp
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+// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
+//
+// 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 "src/utils/cpp/tmp_dir.hpp"
+
+#include "gsl-lite/gsl-lite.hpp"
+#include "src/buildtool/file_system/file_system_manager.hpp"
+
+auto TmpDir::Create(std::filesystem::path const& prefix,
+ std::string const& dir_template) noexcept -> TmpDirPtr {
+ try {
+ // make sure prefix folder exists
+ if (not FileSystemManager::CreateDirectory(prefix)) {
+ Logger::Log(LogLevel::Error,
+ "TmpDir: could not create prefix directory {}",
+ prefix.string());
+ return nullptr;
+ }
+
+ auto full_template_str =
+ std::filesystem::weakly_canonical(
+ std::filesystem::absolute(prefix / dir_template))
+ .string();
+
+ std::vector<char> c_tmpl(full_template_str.begin(),
+ full_template_str.end());
+ c_tmpl.emplace_back('\0'); // get as c-string
+
+ // attempt to make the tmp dir
+ // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
+ char* tmp_dir = mkdtemp(&c_tmpl[0]);
+ if (tmp_dir == nullptr) {
+ return nullptr;
+ }
+ auto tmp_dir_obj = std::make_shared<TmpDir>();
+ // need to explicitly transform to std::string first
+ tmp_dir_obj->tmp_dir_ = std::filesystem::path(std::string(tmp_dir));
+
+ return std::static_pointer_cast<TmpDir const>(tmp_dir_obj);
+ } catch (...) {
+ return nullptr;
+ }
+}
+
+auto TmpDir::GetPath() const noexcept -> std::filesystem::path {
+ return tmp_dir_;
+}
+
+TmpDir::~TmpDir() noexcept {
+ // try to remove the tmp dir and all its content
+ [[maybe_unused]] auto res =
+ FileSystemManager::RemoveDirectory(tmp_dir_, true);
+}