Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 131 insertions, 0 deletions

diff --git a/qpid/cpp/src/tests/Statistics.cpp b/qpid/cpp/src/tests/Statistics.cpp
new file mode 100644
index 0000000000..19531762b1
--- /dev/null
+++ b/qpid/cpp/src/tests/Statistics.cpp
@@ -0,0 +1,131 @@
+/*
+ *
+ * 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>
+#include <iomanip>
+
+namespace qpid {
+namespace tests {
+
+using namespace std;
+
+Statistic::~Statistic() {}
+
+Throughput::Throughput() : messages(0), started(false) {}
+
+void Throughput::message(const messaging::Message&) {
+    ++messages;
+    if (!started) {
+        start = sys::now();
+        started = true;
+    }
+}
+
+void Throughput::header(ostream& o) const {
+    o << "tp(m/s)";
+}
+
+void Throughput::report(ostream& o) const {
+    double elapsed(int64_t(sys::Duration(start, sys::now()))/double(sys::TIME_SEC));
+    o << fixed << setprecision(0) << messages/elapsed;
+}
+
+ThroughputAndLatency::ThroughputAndLatency() :
+    total(0),
+    min(numeric_limits<double>::max()),
+    max(numeric_limits<double>::min()),
+    samples(0)
+{}
+
+const std::string TS = "ts";
+
+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()) {
+        ++samples;
+        int64_t start(i->second.asInt64());
+        int64_t end(sys::Duration(sys::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(ostream& o) const {
+    Throughput::header(o);
+    o << '\t' << "l-min" << '\t' << "l-max" << '\t' << "l-avg";
+}
+
+void ThroughputAndLatency::report(ostream& o) const {
+    Throughput::report(o);
+    if (samples) {
+        o << fixed << setprecision(2)
+          << '\t' << min << '\t'  << max << '\t' << total/samples;
+    }
+}
+
+ReporterBase::ReporterBase(ostream& o, int batch, bool wantHeader)
+    : batchSize(batch), batchCount(0), headerPrinted(!wantHeader), out(o)
+{}
+
+ReporterBase::~ReporterBase() {}
+
+/** Count message in the statistics */
+void ReporterBase::message(const messaging::Message& m) {
+    if (!overall.get()) overall = create();
+    overall->message(m);
+    if (batchSize) {
+        if (!batch.get()) batch = create();
+        batch->message(m);
+        if (++batchCount == batchSize) {
+            header();
+            batch->report(out);
+            out << endl;
+            batch = create();
+            batchCount = 0;
+        }
+    }
+}
+
+/** Print overall report. */
+void ReporterBase::report() {
+    if (!overall.get()) overall = create();
+    header();
+    overall->report(out);
+    out << endl;
+}
+
+void ReporterBase::header() {
+    if (!headerPrinted) {
+        if (!overall.get()) overall = create();
+        overall->header(out);
+        out << endl;
+        headerPrinted = true;
+    }
+}
+
+
+}} // namespace qpid::tests