just serve: Implement basic API handling service requests

1 files changed, 48 insertions, 0 deletions

diff --git a/src/buildtool/serve_api/remote/serve_api.hpp b/src/buildtool/serve_api/remote/serve_api.hpp
new file mode 100644
index 00000000..f1724cf9
--- /dev/null
+++ b/src/buildtool/serve_api/remote/serve_api.hpp
@@ -0,0 +1,48 @@
+// 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_REMOTE_SERVE_API_HPP
+#define INCLUDED_SRC_BUILDTOOL_SERVE_API_REMOTE_SERVE_API_HPP
+
+#include <memory>
+#include <optional>
+#include <string>
+
+#include "src/buildtool/common/remote/port.hpp"
+#include "src/buildtool/serve_api/remote/serve_target_level_cache_client.hpp"
+
+class ServeApi final {
+  public:
+    using Ptr = std::unique_ptr<ServeApi>;
+
+    ServeApi(std::string const& host, Port port) noexcept;
+
+    ServeApi(ServeApi const&) = delete;
+    ServeApi(ServeApi&& other) noexcept;
+
+    auto operator=(ServeApi const&) -> ServeApi& = delete;
+    auto operator=(ServeApi&&) -> ServeApi& = delete;
+
+    ~ServeApi();
+
+    [[nodiscard]] auto RetrieveTreeFromCommit(std::string const& commit,
+                                              std::string const& subdir = ".")
+        -> std::optional<std::string>;
+
+  private:
+    // target-level cache service client
+    std::unique_ptr<ServeTargetLevelCacheClient> tlc_;
+};
+
+#endif  // INCLUDED_SRC_BUILDTOOL_SERVE_API_REMOTE_SERVE_API_HPP