server.hpp

/*
 * Copyright 2022 Robert Bosch GmbH
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once

#include <memory>  // for unique_ptr<>

#include <cloe/registrar.hpp>  // for Registrar

#include "stack.hpp"          // for ServerConf
#include "utility/defer.hpp"  // for Defer

namespace engine {

class ServerRegistrar {
 public:
  virtual ~ServerRegistrar() = default;

  virtual std::unique_ptr<ServerRegistrar> clone() const = 0;

  virtual std::unique_ptr<ServerRegistrar> with_prefix(const std::string& static_prefix,
                                                       const std::string& api_prefix) const = 0;

  virtual void register_static_handler(const std::string& endpoint, cloe::Handler h) = 0;

  virtual void register_api_handler(const std::string& endpoint, cloe::HandlerType t,
                                    cloe::Handler h) = 0;
};

class Server {
 public:
  Server(const cloe::ServerConf& config) : config_(config) {}
  virtual ~Server() = default;

  const cloe::ServerConf& config() const { return config_; }

  virtual bool is_listening() const = 0;

  virtual bool is_streaming() const = 0;

  virtual void start() = 0;

  virtual void stop() = 0;

  virtual void init_stream(const std::string& filename) = 0;

  virtual void enroll(cloe::Registrar& r) = 0;

  virtual std::unique_ptr<ServerRegistrar> server_registrar() = 0;

  virtual void refresh_buffer_start_stream() = 0;

  virtual void refresh_buffer() = 0;

  virtual Defer lock() = 0;

 protected:
  cloe::Logger logger() const { return cloe::logger::get("cloe"); }
  cloe::ServerConf config_;
};

std::unique_ptr<Server> make_server(const cloe::ServerConf&);

}  // namespace engine