/*
 * 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 org.apache.geode.internal.cache.tier.sockets.command;

import java.io.IOException;

import org.apache.geode.distributed.internal.DistributionStats;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.sockets.BaseCommand;
import org.apache.geode.internal.cache.tier.sockets.CacheServerStats;
import org.apache.geode.internal.cache.tier.sockets.Message;
import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
import org.apache.geode.internal.security.SecurityService;


public class ClientReady extends BaseCommand {

  private static final ClientReady singleton = new ClientReady();

  public static Command getCommand() {
    return singleton;
  }

  private ClientReady() {}

  @Override
  public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection,
      final SecurityService securityService, long start) throws IOException {
    CacheServerStats stats = serverConnection.getCacheServerStats();
    {
      long oldStart = start;
      start = DistributionStats.getStatTime();
      stats.incReadClientReadyRequestTime(start - oldStart);
    }
    try {
      String clientHost = serverConnection.getSocketHost();
      int clientPort = serverConnection.getSocketPort();
      if (logger.isDebugEnabled()) {
        logger.debug("{}: Received client ready request ({} bytes) from {} on {}:{}",
            serverConnection.getName(), clientMessage.getPayloadLength(),
            serverConnection.getProxyID(), clientHost, clientPort);
      }

      serverConnection.getAcceptor().getCacheClientNotifier()
          .readyForEvents(serverConnection.getProxyID());

      long oldStart = start;
      start = DistributionStats.getStatTime();
      stats.incProcessClientReadyTime(start - oldStart);

      writeReply(clientMessage, serverConnection);
      serverConnection.setAsTrue(RESPONDED);

      if (logger.isDebugEnabled()) {
        logger.debug(serverConnection.getName() + ": Processed client ready request from "
            + serverConnection.getProxyID() + " on " + clientHost + ":" + clientPort);
      }
    } finally {
      stats.incWriteClientReadyResponseTime(DistributionStats.getStatTime() - start);
    }

  }

}
