content: /*
   * Copyright 2019-2023 Adaptive Financial Consulting 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
   *
   * https://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.
   */
  
  package com.aeroncookbook.aeron.rpc.server;
  
  import com.aeroncookbook.aeron.rpc.Constants;
  import io.aeron.Aeron;
  import io.aeron.Subscription;
  import org.agrona.concurrent.Agent;
  import org.agrona.concurrent.ShutdownSignalBarrier;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ServerAgent implements Agent
  {
      private final Aeron aeron;
      private final Logger log = LoggerFactory.getLogger(ServerAgent.class);
      private final ServerAdapter serverAdapter;
      private Subscription subscription;
  
      public ServerAgent(final Aeron aeron, final ShutdownSignalBarrier barrier)
      {
          this.aeron = aeron;
          this.serverAdapter = new ServerAdapter(aeron, barrier);
      }
  
      @Override
      public void onStart()
      {
          log.info("Server starting");
          subscription = aeron.addSubscription(Constants.SERVER_URI, Constants.RPC_STREAM);
      }
  
      @Override
      public int doWork() throws Exception
      {
          return subscription.poll(serverAdapter, 1);
      }
  
      @Override
      public void onClose()
      {
          serverAdapter.closePublication();
      }
  
      @Override
      public String roleName()
      {
          return "server";
      }
  }
  