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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_BUILD_SERVE_API_SERVE_SERVICE_TARGET_HPP
#define INCLUDED_SRC_BUILD_SERVE_API_SERVE_SERVICE_TARGET_HPP
#include <filesystem>
#include <memory>
#include <optional>
#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/remote/config.hpp"
#include "src/buildtool/logging/logger.hpp"
#include <gsl/gsl>
class TargetService final : public justbuild::just_serve::Target::Service {
public:
// Given a target-level caching key, returns the computed value. In doing
// so, it can build on the associated end-point passing the
// RemoteExecutionProperties contained in the ServeTargetRequest.
//
// If the status has a code different from `OK`, the response MUST not be
// used.
//
// Errors:
// * `FAILED_PRECONDITION`: Failed to find required information in the CAS
// or the target cache key is malformed.
// * `UNAVAILABLE`: Could not communicate with the remote execution
// endpoint.
// * `INTERNAL`: Internally, something is very broken.
auto ServeTarget(
::grpc::ServerContext* /*context*/,
const ::justbuild::just_serve::ServeTargetRequest* /*request*/,
::justbuild::just_serve::ServeTargetResponse* /*response*/)
-> ::grpc::Status override;
// Given the target-level root tree and the name of an export target,
// returns the list of flexible variables from that target's description.
//
// If the status has a code different from `OK`, the response MUST not be
// used.
//
// Errors:
// * `FAILED_PRECONDITION`: An error occurred in retrieving the
// configuration of the requested target, such as missing entries
// (target-root, target file, target name), unparsable target file, or
// requested target not being of "type" : "export".
// * `INTERNAL`: Internally, something is very broken.
auto ServeTargetVariables(
::grpc::ServerContext* /*context*/,
const ::justbuild::just_serve::ServeTargetVariablesRequest* request,
::justbuild::just_serve::ServeTargetVariablesResponse* response)
-> ::grpc::Status override;
private:
std::shared_ptr<Logger> logger_{std::make_shared<Logger>("target-service")};
// remote execution endpoint used for remote building
gsl::not_null<IExecutionApi::Ptr> const remote_api_{
CreateExecutionApi(RemoteExecutionConfig::RemoteAddress(),
"serve-remote-execution")};
// used for storing and retrieving target-level cache entries
gsl::not_null<IExecutionApi::Ptr> const local_api_{
CreateExecutionApi(std::nullopt)};
/// \brief Get the blob content at given path inside a Git tree.
/// \returns If tree found, pair of "no-internal-errors" flag and content of
/// blob at the path specified if blob exists, nullopt otherwise.
[[nodiscard]] static auto GetBlobContent(
std::filesystem::path const& repo_path,
std::string const& tree_id,
std::string const& rel_path,
std::shared_ptr<Logger> const& logger)
-> std::optional<std::pair<bool, std::optional<std::string>>>;
};
#endif // INCLUDED_SRC_BUILD_SERVE_API_SERVE_SERVICE_TARGET_HPP
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