GRPC Stream implementation of HeliumStream

blimp/net/grpc_engine_transport.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BLIMP_NET_GRPC_ENGINE_TRANSPORT_H_
+#define BLIMP_NET_GRPC_ENGINE_TRANSPORT_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "blimp/common/public/session/assignment_options.h"
+#include "blimp/net/blimp_engine_transport.h"
+#include "blimp/net/blimp_net_export.h"
+#include "net/base/completion_callback.h"
+
+namespace grpc {
+class Server;
+class CompletionQueue;
+}
+
+namespace blimp {
+
+class GrpcEngineStream;
+class GrpcConnection;
+
+// Class that interfaces a BlimpEngineTransport to a GrpcEngineStream
+// through a GrpcConnection.
+class BLIMP_NET_EXPORT GrpcEngineTransport : public BlimpEngineTransport {
+ public:
+  explicit GrpcEngineTransport(const AssignmentOptions& assignment_options);
+  ~GrpcEngineTransport() override;
+
+  void Connect(const net::CompletionCallback& callback) override;
+  std::unique_ptr<BlimpConnection> MakeConnection() override;
+  const char* GetName() const override;
+  void GetAssignmentOptions(
+      AssignmentOptions* assignment_options) const override;
+
+ private:
+  AssignmentOptions assignment_options_;
+  std::unique_ptr<GrpcConnection> grpc_connection_;
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_NET_GRPC_ENGINE_TRANSPORT_H_