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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.
#ifndef INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_LOCAL_RESPONSE_HPP
#define INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_LOCAL_RESPONSE_HPP
#include <cstddef>
#include <string>
#include <utility>
#include "gsl/gsl"
#include "src/buildtool/crypto/hash_function.hpp"
#include "src/buildtool/execution_api/common/execution_response.hpp"
#include "src/buildtool/execution_api/local/local_action.hpp"
#include "src/buildtool/file_system/file_system_manager.hpp"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"
#include "src/buildtool/storage/storage.hpp"
/// \brief Response of a LocalAction.
class LocalResponse final : public IExecutionResponse {
friend class LocalAction;
public:
auto Status() const noexcept -> StatusCode final {
return StatusCode::Success; // unused
}
auto HasStdErr() const noexcept -> bool final {
return (output_.action.stderr_digest().size_bytes() != 0);
}
auto HasStdOut() const noexcept -> bool final {
return (output_.action.stdout_digest().size_bytes() != 0);
}
auto StdErr() noexcept -> std::string final {
if (auto path = storage_.CAS().BlobPath(
static_cast<ArtifactDigest>(output_.action.stderr_digest()),
/*is_executable=*/false)) {
if (auto content = FileSystemManager::ReadFile(*path)) {
return std::move(*content);
}
}
Logger::Log(LogLevel::Debug, "reading stderr failed");
return {};
}
auto StdOut() noexcept -> std::string final {
if (auto path = storage_.CAS().BlobPath(
static_cast<ArtifactDigest>(output_.action.stdout_digest()),
/*is_executable=*/false)) {
if (auto content = FileSystemManager::ReadFile(*path)) {
return std::move(*content);
}
}
Logger::Log(LogLevel::Debug, "reading stdout failed");
return {};
}
auto ExitCode() const noexcept -> int final {
return output_.action.exit_code();
}
auto IsCached() const noexcept -> bool final { return output_.is_cached; };
auto ActionDigest() const noexcept -> std::string const& final {
return action_id_;
}
auto Artifacts() noexcept -> ArtifactInfos const& final {
Populate();
return artifacts_;
}
auto DirectorySymlinks() noexcept -> DirSymlinks const& final {
Populate();
return dir_symlinks_;
}
private:
std::string action_id_{};
LocalAction::Output output_{};
Storage const& storage_;
ArtifactInfos artifacts_;
DirSymlinks dir_symlinks_;
bool populated_ = false;
explicit LocalResponse(
std::string action_id,
LocalAction::Output output,
gsl::not_null<Storage const*> const& storage) noexcept
: action_id_{std::move(action_id)},
output_{std::move(output)},
storage_{*storage} {}
void Populate() noexcept {
// Initialized only once lazily
if (populated_) {
return;
}
populated_ = true;
ArtifactInfos artifacts{};
auto const& action_result = output_.action;
artifacts.reserve(
static_cast<std::size_t>(action_result.output_files_size()) +
static_cast<std::size_t>(
action_result.output_file_symlinks_size()) +
static_cast<std::size_t>(
action_result.output_directory_symlinks_size()) +
static_cast<std::size_t>(action_result.output_directories_size()));
DirSymlinks dir_symlinks{};
dir_symlinks.reserve(static_cast<std::size_t>(
action_result.output_directory_symlinks_size()));
// collect files and store them
for (auto const& file : action_result.output_files()) {
try {
artifacts.emplace(
file.path(),
Artifact::ObjectInfo{
.digest = ArtifactDigest{file.digest()},
.type = file.is_executable() ? ObjectType::Executable
: ObjectType::File});
} catch (...) {
return;
}
}
// collect all symlinks and store them
for (auto const& link : action_result.output_file_symlinks()) {
try {
artifacts.emplace(
link.path(),
Artifact::ObjectInfo{
.digest = ArtifactDigest::Create<ObjectType::File>(
storage_.GetHashFunction(), link.target()),
.type = ObjectType::Symlink});
} catch (...) {
return;
}
}
for (auto const& link : action_result.output_directory_symlinks()) {
try {
artifacts.emplace(
link.path(),
Artifact::ObjectInfo{
.digest = ArtifactDigest::Create<ObjectType::File>(
storage_.GetHashFunction(), link.target()),
.type = ObjectType::Symlink});
dir_symlinks.emplace(link.path()); // add it to set
} catch (...) {
return;
}
}
// collect directories and store them
for (auto const& dir : action_result.output_directories()) {
try {
artifacts.emplace(
dir.path(),
Artifact::ObjectInfo{
.digest = ArtifactDigest{dir.tree_digest()},
.type = ObjectType::Tree});
} catch (...) {
return;
}
}
artifacts_ = std::move(artifacts);
dir_symlinks_ = std::move(dir_symlinks);
}
};
#endif // INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_LOCAL_RESPONSE_HPP
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