test/cpp/qps/session_util.h

// Copyright 2026 gRPC authors.
//
// 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 GRPC_TEST_CPP_QPS_SESSION_UTIL_H
#define GRPC_TEST_CPP_QPS_SESSION_UTIL_H

#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/impl/service_type.h>

#include <memory>

namespace grpc {
namespace testing {

struct SessionState;

class OuterSessionService : public grpc::Service {
 public:
  explicit OuterSessionService(grpc::Service* inner_service);
};

class SessionHolder {
 public:
  SessionHolder(std::shared_ptr<Channel> virtual_channel,
                std::unique_ptr<ClientContext> context,
                std::shared_ptr<SessionState> state);
  ~SessionHolder();

  std::shared_ptr<Channel> virtual_channel() const { return virtual_channel_; }
  void Close();

 private:
  std::shared_ptr<Channel> virtual_channel_;
  std::unique_ptr<ClientContext> context_;
  std::shared_ptr<SessionState> state_;
};

std::unique_ptr<SessionHolder> EstablishSession(
    std::shared_ptr<Channel> channel);

}  // namespace testing
}  // namespace grpc

#endif  // GRPC_TEST_CPP_QPS_SESSION_UTIL_H