scouter.server.plugin.alert.AlertEngine Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouter.server.plugin.alert;
import scouter.lang.CounterKey;
import scouter.lang.value.Value;
import scouter.util.LinkedMap;
public class AlertEngine {
static LinkedMap realTimeMap = new LinkedMap().setMax(3000);
public static void putRealTime(CounterKey key, Value value) {
AlertRuleLoader loader = AlertRuleLoader.getInstance();
AlertRule rule = loader.alertRuleTable.get(key.counter);
if (rule == null)
return;
RealCounter counter = realTimeMap.get(key);
if (counter == null) {
counter = new RealCounter(key);
AlertConf conf = loader.alertConfTable.get(key.counter);
//defensive code for abnormal deletion
if (conf == null) {
conf = new AlertConf();
}
counter.historySize(conf.history_size);
counter.silentTime(conf.silent_time);
counter.checkTerm(conf.check_term);
realTimeMap.put(key, counter);
}
counter.value(value);
if (counter.checkTerm() > 0) {
long now = System.currentTimeMillis();
if (now - counter.checkTerm()*1000 > counter.lastCheckTime) {
counter.lastCheckTime = now;
rule.process(counter);
}
} else {
rule.process(counter);
}
counter.addValueHistory((Number) value);
}
public static void load() {
AlertRuleLoader.getInstance();
}
}