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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.
*
*/
#include "Statistics.h"
#include <qpid/messaging/Message.h>
#include <ostream>
namespace qpid {
namespace tests {
Throughput::Throughput() : messages(0), started(false) {}
void Throughput::message(const messaging::Message&) {
++messages;
if (!started) {
start = sys::now();
started = true;
}
}
void Throughput::header(std::ostream& o) const {
o << "msg/sec";
}
void Throughput::report(std::ostream& o) const {
double elapsed(int64_t(sys::Duration(start, sys::now()))/double(sys::TIME_SEC));
o << messages/elapsed;
}
ThroughputAndLatency::ThroughputAndLatency() :
total(0),
min(std::numeric_limits<double>::max()),
max(std::numeric_limits<double>::min())
{}
void ThroughputAndLatency::message(const messaging::Message& m) {
Throughput::message(m);
types::Variant::Map::const_iterator i = m.getProperties().find("ts");
if (i != m.getProperties().end()) {
int64_t start(i->second.asInt64());
int64_t end(sys::Duration(sys::AbsTime::epoch(),sys::now()));
double latency = double(end - start)/sys::TIME_MSEC;
if (latency > 0) {
total += latency;
if (latency < min) min = latency;
if (latency > max) max = latency;
}
}
}
void ThroughputAndLatency::header(std::ostream& o) const {
Throughput::header(o);
o << " latency(ms)min max avg";
}
void ThroughputAndLatency::report(std::ostream& o) const {
Throughput::report(o);
o << " ";
if (messages)
o << min << " " << max << " " << total/messages;
else
o << "Can't compute latency for 0 messages.";
}
ReporterBase::ReporterBase(std::ostream& o, int batch)
: wantBatch(batch), batchCount(0), headerPrinted(false), out(o) {}
/** Count message in the statistics */
void ReporterBase::message(const messaging::Message& m) {
if (!overall.get()) overall = create();
overall->message(m);
if (wantBatch) {
if (!batch.get()) batch = create();
batch->message(m);
if (++batchCount == wantBatch) {
header();
batch->report(out);
out << std::endl;
batch = create();
batchCount = 0;
}
}
}
/** Print overall report. */
void ReporterBase::report() {
header();
overall->report(out);
out << std::endl;
}
void ReporterBase::header() {
if (!headerPrinted) {
if (!overall.get()) overall = create();
overall->header(out);
out << std::endl;
headerPrinted = true;
}
}
}} // namespace qpid::tests
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