72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef THRIFT_TEST_LOADGEN_MONITOR_H_
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#define THRIFT_TEST_LOADGEN_MONITOR_H_ 1
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#include <boost/shared_ptr.hpp>
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#include <vector>
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#include <stdint.h>
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namespace apache { namespace thrift { namespace loadgen {
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class ScoreBoard;
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class Monitor {
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public:
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Monitor() {}
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virtual ~Monitor() {}
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/**
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* Create a new ScoreBoard object.
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*
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* This method will be called once for each worker thread. All calls to
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* newScoreBoard() will be made before run() is invoked.
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*
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* For each Worker, newScoreBoard() will be called in the thread that will
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* run that worker. However, the caller holds a lock and ensures that it
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* will only be called in one thread at a time, so newScoreBoard() doesn't
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* need to perform any locking internally.
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*
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* @param id The id of the Worker that will use this ScoreBoard.
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*/
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virtual boost::shared_ptr<ScoreBoard> newScoreBoard(int id) = 0;
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/**
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* Initialize monitoring information.
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*
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* This method is called once when the workers start, just before the initial
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* monitoring interval. It can be used to get initial counter values from
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* all of the Workers, so that statistics reported in the first call to
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* redisplay() are accurate.
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*/
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virtual void initializeInfo() {}
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/**
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* Redisplay the monitor information.
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*
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* @param intervalUsec The number of microseconds since the last call to
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* redisplay() or initializeInfo().
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*/
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virtual void redisplay(uint64_t intervalUsec) = 0;
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};
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}}} // apache::thrift::loadgen
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#endif // THRIFT_TEST_LOADGEN_MONITOR_H_
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