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// Copyright 2023 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_SERVE_API_SERVE_SERVICE_SOURCE_TREE_HPP
#define INCLUDED_SRC_BUILDTOOL_SERVE_API_SERVE_SERVICE_SOURCE_TREE_HPP
#include <filesystem>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <vector>
#include "gsl/gsl"
#include "justbuild/just_serve/just_serve.grpc.pb.h"
#include "src/buildtool/common/remote/remote_common.hpp"
#include "src/buildtool/execution_api/common/create_execution_api.hpp"
#include "src/buildtool/execution_api/common/execution_api.hpp"
#include "src/buildtool/execution_api/remote/config.hpp"
#include "src/buildtool/file_system/symlinks_map/pragma_special.hpp"
#include "src/buildtool/file_system/symlinks_map/resolve_symlinks_map.hpp"
#include "src/buildtool/logging/logger.hpp"
class SourceTreeService final
: public justbuild::just_serve::SourceTree::Service {
public:
using ServeCommitTreeResponse =
::justbuild::just_serve::ServeCommitTreeResponse;
using ServeArchiveTreeResponse =
::justbuild::just_serve::ServeArchiveTreeResponse;
using ServeContentResponse = ::justbuild::just_serve::ServeContentResponse;
// Retrieve the Git-subtree identifier from a given Git commit.
//
// There are no method-specific errors.
auto ServeCommitTree(
::grpc::ServerContext* context,
const ::justbuild::just_serve::ServeCommitTreeRequest* request,
ServeCommitTreeResponse* response) -> ::grpc::Status override;
// Retrieve the Git-subtree identifier for the tree obtained
// by unpacking an archive with a given blob identifier.
//
// There are no method-specific errors.
auto ServeArchiveTree(
::grpc::ServerContext* context,
const ::justbuild::just_serve::ServeArchiveTreeRequest* request,
ServeArchiveTreeResponse* response) -> ::grpc::Status override;
// Make the blob identifier of an archive content available in
// remote CAS, if blob is known.
//
// There are no method-specific errors.
auto ServeContent(
::grpc::ServerContext* context,
const ::justbuild::just_serve::ServeContentRequest* request,
ServeContentResponse* response) -> ::grpc::Status override;
private:
mutable std::shared_mutex mutex_;
std::shared_ptr<Logger> logger_{std::make_shared<Logger>("serve-service")};
// remote execution endpoint
gsl::not_null<IExecutionApi::Ptr> const remote_api_{
CreateExecutionApi(RemoteExecutionConfig::RemoteAddress())};
// local api
gsl::not_null<IExecutionApi::Ptr> const local_api_{
CreateExecutionApi(std::nullopt)};
// symlinks resolver map
ResolveSymlinksMap resolve_symlinks_map_{CreateResolveSymlinksMap()};
[[nodiscard]] static auto GetSubtreeFromCommit(
std::filesystem::path const& repo_path,
std::string const& commit,
std::string const& subdir,
std::shared_ptr<Logger> const& logger) -> std::optional<std::string>;
[[nodiscard]] static auto GetSubtreeFromTree(
std::filesystem::path const& repo_path,
std::string const& tree_id,
std::string const& subdir,
std::shared_ptr<Logger> const& logger) -> std::optional<std::string>;
[[nodiscard]] static auto GetBlobFromRepo(
std::filesystem::path const& repo_path,
std::string const& blob_id,
std::shared_ptr<Logger> const& logger) -> std::optional<std::string>;
[[nodiscard]] auto SyncArchive(std::string const& tree_id,
std::filesystem::path const& repo_path,
bool sync_tree,
ServeArchiveTreeResponse* response)
-> ::grpc::Status;
[[nodiscard]] auto ResolveContentTree(
std::string const& tree_id,
std::filesystem::path const& repo_path,
std::optional<PragmaSpecial> const& resolve_special,
bool sync_tree,
ServeArchiveTreeResponse* response) -> ::grpc::Status;
[[nodiscard]] auto ImportToGit(
std::filesystem::path const& unpack_path,
std::filesystem::path const& archive_tree_id_file,
std::string const& content,
std::string const& archive_type,
std::string const& subdir,
std::optional<PragmaSpecial> const& resolve_special,
bool sync_tree,
ServeArchiveTreeResponse* response) -> ::grpc::Status;
};
#endif // INCLUDED_SRC_BUILDTOOL_SERVE_API_SERVE_SERVICE_SOURCE_TREE_HPP
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