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/*
* 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.
*/
/**
* \file MessageConsumer.cpp
*/
#include "tests/storePerftools/asyncPerf/MessageConsumer.h"
#include "qpid/broker/SimpleDeliveryRecord.h"
#include "qpid/broker/SimpleQueue.h"
#include "qpid/broker/SimpleTxnAccept.h"
#include "qpid/broker/SimpleTxnBuffer.h"
#include "tests/storePerftools/asyncPerf/TestOptions.h"
#include <stdint.h> // uint32_t
namespace tests {
namespace storePerftools {
namespace asyncPerf {
MessageConsumer::MessageConsumer(const TestOptions& perfTestParams,
qpid::broker::AsyncStore* store,
qpid::broker::AsyncResultQueue& arq,
boost::shared_ptr<qpid::broker::SimpleQueue> queue) :
m_perfTestParams(perfTestParams),
m_store(store),
m_resultQueue(arq),
m_queue(queue),
m_stopFlag(false)
{}
MessageConsumer::~MessageConsumer() {}
void
MessageConsumer::record(boost::shared_ptr<qpid::broker::SimpleDeliveryRecord> dr) {
m_unacked.push_back(dr);
}
void
MessageConsumer::commitComplete() {}
void
MessageConsumer::stop() {
m_stopFlag = true;
}
void*
MessageConsumer::runConsumers() {
const bool useTxns = m_perfTestParams.m_deqTxnBlockSize > 0U;
uint16_t opsInTxnCnt = 0U;
qpid::broker::SimpleTxnBuffer* tb = 0;
if (useTxns) {
tb = new qpid::broker::SimpleTxnBuffer(m_resultQueue);
}
uint32_t msgsPerConsumer = m_perfTestParams.m_numEnqThreadsPerQueue * m_perfTestParams.m_numMsgs /
m_perfTestParams.m_numDeqThreadsPerQueue;
uint32_t numMsgs = 0UL;
while (numMsgs < msgsPerConsumer && !m_stopFlag) {
if (m_queue->dispatch(*this)) {
++numMsgs;
if (useTxns) {
// --- Transactional dequeue ---
boost::shared_ptr<qpid::broker::SimpleTxnAccept> ta(new qpid::broker::SimpleTxnAccept(m_unacked));
m_unacked.clear();
tb->enlist(ta);
if (++opsInTxnCnt >= m_perfTestParams.m_deqTxnBlockSize) {
tb->commitLocal(m_store);
if (numMsgs < msgsPerConsumer) {
tb = new qpid::broker::SimpleTxnBuffer(m_resultQueue);
}
opsInTxnCnt = 0U;
}
} else {
// --- Non-transactional dequeue ---
for (std::deque<boost::shared_ptr<qpid::broker::SimpleDeliveryRecord> >::iterator i = m_unacked.begin(); i != m_unacked.end(); ++i) {
(*i)->accept();
}
m_unacked.clear();
}
} else {
::usleep(1000); // TODO - replace this poller with condition variable
}
}
if (opsInTxnCnt && !m_stopFlag) {
tb->commitLocal(m_store);
}
return reinterpret_cast<void*>(0);
}
//static
void*
MessageConsumer::startConsumers(void* ptr) {
return reinterpret_cast<MessageConsumer*>(ptr)->runConsumers();
}
}}} // namespace tests::storePerftools::asyncPerf
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