Rename asset_stream_manager to cdc_stream (#27)

Fixes #13

cdc_stream/grpc_asset_stream_server.h

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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 CDC_STREAM_GRPC_ASSET_STREAM_SERVER_H_
+#define CDC_STREAM_GRPC_ASSET_STREAM_SERVER_H_
+
+#include <memory>
+#include <string>
+
+#include "cdc_stream/asset_stream_server.h"
+#include "common/thread_safe_map.h"
+
+namespace grpc {
+class Server;
+}
+
+namespace cdc_ft {
+
+using InstanceIdMap = ThreadSafeMap<std::string, std::string>;
+
+class AssetStreamServiceImpl;
+class ConfigStreamServiceImpl;
+
+// gRpc server for streaming assets to one or more gamelets.
+class GrpcAssetStreamServer : public AssetStreamServer {
+ public:
+  // Creates a new asset streaming gRpc server.
+  GrpcAssetStreamServer(std::string src_dir, DataStoreReader* data_store_reader,
+                        FileChunkMap* file_chunks,
+                        ContentSentHandler content_sent,
+                        PrioritizeAssetsHandler prio_assets);
+
+  ~GrpcAssetStreamServer();
+
+  // AssetStreamServer:
+
+  absl::Status Start(int port) override;
+
+  void SetManifestId(const ContentIdProto& manifest_id) override;
+
+  absl::Status WaitForManifestAck(const std::string& instance,
+                                  absl::Duration timeout) override;
+
+  void Shutdown() override;
+
+  ContentIdProto GetManifestId() const override;
+
+ private:
+  InstanceIdMap instance_ids_;
+  const std::unique_ptr<AssetStreamServiceImpl> asset_stream_service_;
+  const std::unique_ptr<ConfigStreamServiceImpl> config_stream_service_;
+  std::unique_ptr<grpc::Server> server_;
+};
+
+}  // namespace cdc_ft
+
+#endif  // CDC_STREAM_GRPC_ASSET_STREAM_SERVER_H_