/*
* (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.util.ArrayList;
import java.util.List;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import com.taobao.metamorphosis.tools.monitor.InitException;
import com.taobao.metamorphosis.tools.monitor.alert.Alarm;
import com.taobao.metamorphosis.tools.monitor.core.AbstractProber;
import com.taobao.metamorphosis.tools.monitor.core.CoreManager;
import com.taobao.metamorphosis.tools.monitor.core.MsgSender;
import com.taobao.metamorphosis.tools.monitor.core.ProbTask;
import com.taobao.metamorphosis.tools.utils.MonitorResult;
/**
* ����cpu,�ڴ�,���̵�ϵͳ��صĹ�ͬ�����
*
* @author ��
* @since 2011-9-28 ����2:39:43
*/
public abstract class SystemProber extends AbstractProber {
protected ProcessResultHook processResultHook = new ProcessResultHook() {
};
private final List<ScheduledFuture<?>> futures = new ArrayList<ScheduledFuture<?>>();
public SystemProber(CoreManager coreManager) {
super(coreManager);
}
public void init() throws InitException {
}
@Override
protected void doProb() throws InterruptedException {
for (final MsgSender sender : this.getSenders()) {
this.futures.add(this.getProberExecutor().scheduleAtFixedRate(new ProbTask() {
@Override
protected void handleException(Throwable e) {
SystemProber.this.logger.error("unexpected error in offset prob thread.", e);
}
@Override
protected void doExecute() throws Exception {
MonitorResult monitorResult = SystemProber.this.getMonitorResult(sender);
SystemProber.this.logger.debug(SystemProber.this.getClass().getSimpleName() + " prob result:"
+ monitorResult);
SystemProber.this.processResult0(monitorResult);
}
}, 1, this.getMonitorConfig().getSystemProbCycleTime(), TimeUnit.MINUTES));
}
this.logger.info(this.getClass().getSimpleName() + " prober started");
}
protected void processResult0(MonitorResult monitorResult) throws Exception {
if (monitorResult != null) {
this.processResult(monitorResult);
this.processResultHook.handler(monitorResult);
}
}
@Override
protected void doStopProb() {
cancelFutures(this.futures);
this.logger.info(this.getClass().getSimpleName() + " prober stoped");
}
/** ��ȡһ�μ�ؽ�� */
protected abstract MonitorResult getMonitorResult(MsgSender sender) throws Exception;
/** һ�μ�ؽ���Ĵ��� */
protected abstract void processResult(MonitorResult monitorResult);
public void setProcessResultHook(ProcessResultHook processResultHook) {
this.processResultHook = processResultHook;
}
protected void alert(String msg) {
this.logger.warn(msg);
Alarm.alert(msg, this.getMonitorConfig());
}
}