From 366111c5c7b407fe0e944ee71de1c51137147805 Mon Sep 17 00:00:00 2001
From: Paul Cristian Sarbu <paul.cristian.sarbu@huawei.com>
Date: Tue, 10 Oct 2023 17:26:40 +0200
Subject: just-serve: Extend client and API for services Target and
 Configuration

Co-authored-by: Alberto Sartori <alberto.sartori@huawei.com>
---
 src/buildtool/serve_api/remote/target_client.hpp | 65 ++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/buildtool/serve_api/remote/target_client.hpp

(limited to 'src/buildtool/serve_api/remote/target_client.hpp')

diff --git a/src/buildtool/serve_api/remote/target_client.hpp b/src/buildtool/serve_api/remote/target_client.hpp
new file mode 100644
index 00000000..ac52a468
--- /dev/null
+++ b/src/buildtool/serve_api/remote/target_client.hpp
@@ -0,0 +1,65 @@
+// 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_TARGET_CLIENT_HPP
+#define INCLUDED_SRC_BUILDTOOL_SERVE_API_TARGET_CLIENT_HPP
+
+#include <memory>
+#include <optional>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "justbuild/just_serve/just_serve.grpc.pb.h"
+#include "src/buildtool/common/artifact.hpp"
+#include "src/buildtool/common/remote/port.hpp"
+#include "src/buildtool/execution_api/common/create_execution_api.hpp"
+#include "src/buildtool/logging/logger.hpp"
+#include "src/buildtool/storage/target_cache_entry.hpp"
+#include "src/buildtool/storage/target_cache_key.hpp"
+
+/// Implements client side for Target service defined in:
+/// src/buildtool/serve_api/serve_service/just_serve.proto
+class TargetClient {
+  public:
+    TargetClient(std::string const& server, Port port) noexcept;
+
+    /// \brief Retrieve the pair of TargetCacheEntry and ObjectInfo associated
+    /// to the given key.
+    /// \param[in] key The TargetCacheKey of an export target
+    /// \returns Pair of cache entry and its object info on success or nullopt.
+    [[nodiscard]] auto ServeTarget(const TargetCacheKey& key)
+        -> std::optional<std::pair<TargetCacheEntry, Artifact::ObjectInfo>>;
+
+    /// \brief Retrieve the flexible config variables of an export target.
+    /// \param[in] target_root_id Hash of target-level root tree.
+    /// \param[in] target_file Relative path of the target file.
+    /// \param[in] target Name of the target to interrogate.
+    /// \returns The list of flexible config variables, or nullopt on errors.
+    [[nodiscard]] auto ServeTargetVariables(std::string const& target_root_id,
+                                            std::string const& target_file,
+                                            std::string const& target)
+        -> std::optional<std::vector<std::string>>;
+
+  private:
+    std::unique_ptr<justbuild::just_serve::Target::Stub> stub_;
+    Logger logger_{"RemoteTargetClient"};
+    gsl::not_null<IExecutionApi::Ptr> const remote_api_{
+        CreateExecutionApi(RemoteExecutionConfig::RemoteAddress(),
+                           "remote-execution")};
+    gsl::not_null<IExecutionApi::Ptr> const local_api_{
+        CreateExecutionApi(std::nullopt)};
+};
+
+#endif  // INCLUDED_SRC_BUILDTOOL_SERVE_API_TARGET_CLIENT_HPP
-- 
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