/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* 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.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.tools.monitor.system;
import java.io.IOException;
import org.apache.commons.lang.StringUtils;
import com.taobao.metamorphosis.tools.monitor.InitException;
import com.taobao.metamorphosis.tools.monitor.core.CoreManager;
import com.taobao.metamorphosis.tools.monitor.core.MsgSender;
import com.taobao.metamorphosis.tools.query.Query;
import com.taobao.metamorphosis.tools.utils.ConnectionUtil;
import com.taobao.metamorphosis.tools.utils.MonitorResult;
import com.taobao.metamorphosis.utils.ZkUtils.ZKConfig;
/**
* ���meta�Ƿ��������ӵ�zk
*
* @author ��
* @since 2011-9-29 ����1:53:47
*/
public class ZKConnProber extends SystemProber {
ZKConfig zkConfig;
public ZKConnProber(CoreManager coreManager) {
super(coreManager);
}
@Override
public void init() throws InitException {
try {
Query query = new Query();
this.zkConfig = query.getZkConfig(this.coreManager.getMonitorConfig().getConfigPath());
query.close();
}
catch (IOException e) {
throw new InitException("��ʼ��ZKConnProberʧ��", e);
}
}
@Override
protected MonitorResult getMonitorResult(MsgSender sender) throws Exception {
String[] zks = StringUtils.split(this.zkConfig.zkConnect, ",");
boolean isConnected = false;
for (int i = 0; i < 2; i++) {
for (String zk : zks) {
isConnected =
ConnectionUtil.IsConnected(sender.getHost(), zk.trim(), this.getMonitorConfig().getLoginUser(),
this.getMonitorConfig().getLoginPassword());
if (isConnected) {
this.logger.debug(sender.getServerUrl() + "�����ӵ�zk:" + zk);
break;
}
}
if (isConnected) {
break;
}
if (i < 1) {
logger.debug("Meta server[" + sender.getHost() + "]��zk������[" + this.zkConfig.zkConnect + "]��һ������ʧ��.");
Thread.sleep(2000);
}
}
if (!isConnected) {
this.alert("Meta server[" + sender.getHost() + "]��zk������[" + this.zkConfig.zkConnect + "]֮��û����������.");
}
return null;
}
@Override
protected void processResult(MonitorResult monitorResult) {
// do nothing
}
}