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#ifndef QPID_BROKER_THRESHOLDALERTS_H
#define QPID_BROKER_THRESHOLDALERTS_H
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
#include "qpid/broker/QueueObserver.h"
#include "qpid/types/Variant.h"
#include <string>
namespace qpid {
namespace management {
class ManagementAgent;
}
namespace broker {
class Queue;
struct QueueSettings;
/**
* Class to manage generation of QMF alerts when particular thresholds
* are breached on a queue.
*/
class ThresholdAlerts : public QueueObserver
{
public:
ThresholdAlerts(const std::string& name,
qpid::management::ManagementAgent& agent,
const uint32_t countThreshold,
const uint32_t countThresholdDown,
const uint64_t sizeThreshold,
const uint64_t sizeThresholdDown,
const bool backwardCompat);
void enqueued(const Message&);
void dequeued(const Message&);
void acquired(const Message&) {};
void requeued(const Message&) {};
static void observe(Queue& queue, qpid::management::ManagementAgent& agent,
const uint64_t countThreshold,
const uint64_t countThresholdDown,
const uint64_t sizeThreshold,
const uint64_t sizeThresholdDown);
static void observe(Queue& queue, qpid::management::ManagementAgent& agent,
const QueueSettings& settings, uint16_t limitRatio);
private:
const std::string name;
qpid::management::ManagementAgent& agent;
const uint32_t countThreshold;
const uint32_t countThresholdDown;
const uint64_t sizeThreshold;
const uint64_t sizeThresholdDown;
uint64_t count;
uint64_t size;
bool countGoingUp;
bool sizeGoingUp;
bool backwardCompat;
};
}} // namespace qpid::broker
#endif /*!QPID_BROKER_THRESHOLDALERTS_H*/
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