content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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.
  package com.cloud.consoleproxy;
  
  import com.cloud.agent.Listener;
  import com.cloud.agent.api.AgentControlAnswer;
  import com.cloud.agent.api.AgentControlCommand;
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.Command;
  import com.cloud.agent.api.ConsoleAccessAuthenticationCommand;
  import com.cloud.agent.api.ConsoleProxyLoadReportCommand;
  import com.cloud.agent.api.StartupCommand;
  import com.cloud.agent.api.StartupProxyCommand;
  import com.cloud.host.Host;
  import com.cloud.host.Status;
  
  public class ConsoleProxyListener implements Listener {
      AgentHook _proxyMgr = null;
  
      public ConsoleProxyListener(AgentHook proxyMgr) {
          _proxyMgr = proxyMgr;
      }
  
      @Override
      public boolean isRecurring() {
          return true;
      }
  
      @Override
      public boolean processAnswers(long agentId, long seq, Answer[] answers) {
          return true;
      }
  
      @Override
      public boolean processCommands(long agentId, long seq, Command[] commands) {
          return false;
      }
  
      @Override
      public AgentControlAnswer processControlCommand(long agentId, AgentControlCommand cmd) {
          if (cmd instanceof ConsoleProxyLoadReportCommand) {
              _proxyMgr.onLoadReport((ConsoleProxyLoadReportCommand)cmd);
  
              // return dummy answer
              return new AgentControlAnswer(cmd);
          } else if (cmd instanceof ConsoleAccessAuthenticationCommand) {
              return _proxyMgr.onConsoleAccessAuthentication((ConsoleAccessAuthenticationCommand)cmd);
          }
          return null;
      }
  
      @Override
      public void processHostAdded(long hostId) {
      }
  
      @Override
      public void processConnect(Host host, StartupCommand cmd, boolean forRebalance) {
          _proxyMgr.onAgentConnect(host, cmd);
  
          if (cmd instanceof StartupProxyCommand) {
              _proxyMgr.startAgentHttpHandlerInVM((StartupProxyCommand)cmd);
          }
      }
  
      @Override
      public boolean processDisconnect(long agentId, Status state) {
          _proxyMgr.onAgentDisconnect(agentId, state);
          return true;
      }
  
      @Override
      public void processHostAboutToBeRemoved(long hostId) {
      }
  
      @Override
      public void processHostRemoved(long hostId, long clusterId) {
      }
  
      @Override
      public boolean processTimeout(long agentId, long seq) {
          return true;
      }
  
      @Override
      public int getTimeout() {
          return -1;
      }
  
  }
  