public int sendAlarm(final AlarmInfo alarmInfo) {
AlarmType type = alarmInfo.type;
String id = alarmInfo.getId();
String extraInfo = alarmInfo.getExtraInfo();
if (terminationToken.isToShutdown()) {
// 记录告警信息
System.err.println("rejected alarm:" + id + "," + extraInfo);
return -1;
}
int duplicateSubmissionCount = 0;
try {
AtomicInteger prevSubmittedCounter;
prevSubmittedCounter =
submittedAlarmRegistry.putIfAbsent(
type.toString() + ':' + id + '@' + extraInfo, new AtomicInteger(0));
if (null == prevSubmittedCounter) {
terminationToken.reservations.incrementAndGet();
alarmQueue.put(alarmInfo);
} else {
// 故障未恢复，不用重复发送告警信息给服务器，故仅增加计数
duplicateSubmissionCount = prevSubmittedCounter.incrementAndGet();
}
} catch (Throwable t) {
t.printStackTrace();
}
return duplicateSubmissionCount;
}
@Override
protected void doRun() throws Exception {
AlarmInfo alarm;
alarm = alarmQueue.take();
terminationToken.reservations.decrementAndGet();
try {
// 将告警信息发送至告警服务器
alarmAgent.sendAlarm(alarm);
} catch (Exception e) {
e.printStackTrace();
}
/*
* 处理恢复告警：将相应的故障告警从注册表中删除， 使得相应故障恢复后若再次出现相同故障，该故障信息能够上报到服务器
*/
if (AlarmType.RESUME == alarm.type) {
String key = AlarmType.FAULT.toString() + ':' + alarm.getId() + '@' + alarm.getExtraInfo();
submittedAlarmRegistry.remove(key);
key = AlarmType.RESUME.toString() + ':' + alarm.getId() + '@' + alarm.getExtraInfo();
submittedAlarmRegistry.remove(key);
}
}
