/* * Copyright 2012-2015 org.opencloudb. * * 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. */ package org.opencloudb.response; import java.util.Map; import org.apache.log4j.Logger; import org.opencloudb.MycatServer; import org.opencloudb.backend.PhysicalDBPool; import org.opencloudb.manager.ManagerConnection; import org.opencloudb.net.mysql.OkPacket; import org.opencloudb.parser.ManagerParseStop; import org.opencloudb.parser.util.Pair; import org.opencloudb.util.FormatUtil; import org.opencloudb.util.TimeUtil; /** * 暂停数据节点心跳检测 * * @author mycat */ public final class StopHeartbeat { private static final Logger logger = Logger.getLogger(StopHeartbeat.class); public static void execute(String stmt, ManagerConnection c) { int count = 0; Pair<String[], Integer> keys = ManagerParseStop.getPair(stmt); if (keys.getKey() != null && keys.getValue() != null) { long time = keys.getValue().intValue() * 1000L; Map<String, PhysicalDBPool> dns = MycatServer.getInstance().getConfig().getDataHosts(); for (String key : keys.getKey()) { PhysicalDBPool dn = dns.get(key); if (dn != null) { dn.getSource().setHeartbeatRecoveryTime(TimeUtil.currentTimeMillis() + time); ++count; StringBuilder s = new StringBuilder(); s.append(dn.getHostName()).append(" stop heartbeat '"); logger.warn(s.append(FormatUtil.formatTime(time, 3)).append("' by manager.")); } } } OkPacket packet = new OkPacket(); packet.packetId = 1; packet.affectedRows = count; packet.serverStatus = 2; packet.write(c); } }