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, 158 insertions, 0 deletions

diff --git a/qpid/cpp/src/tests/echotest.cpp b/qpid/cpp/src/tests/echotest.cpp
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+++ b/qpid/cpp/src/tests/echotest.cpp
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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 <qpid/client/Connection.h>
+#include <qpid/client/SubscriptionManager.h>
+#include <qpid/client/AsyncSession.h>
+#include <qpid/client/Message.h>
+#include <qpid/client/MessageListener.h>
+#include <qpid/sys/Time.h>
+#include <qpid/Options.h>
+
+#include <iostream>
+
+using namespace qpid::client;
+using namespace qpid::framing;
+using namespace qpid::sys;
+using namespace std;
+
+namespace qpid {
+namespace tests {
+
+struct  Args : public qpid::Options,
+               public qpid::client::ConnectionSettings
+{
+    bool help;
+    uint count;
+    uint size;
+    bool summary;
+
+    Args() : qpid::Options("Simple latency test optins"), help(false), count(20), size(0), summary()
+    {
+        using namespace qpid;
+        addOptions()
+            ("help", optValue(help), "Print this usage statement")
+            ("count", optValue(count, "N"), "Number of messages to send")
+            ("size", optValue(count, "N"), "Size of messages")
+            ("broker,b", optValue(host, "HOST"), "Broker host to connect to")
+            ("port,p", optValue(port, "PORT"), "Broker port to connect to")
+            ("username", optValue(username, "USER"), "user name for broker log in.")
+            ("password", optValue(password, "PASSWORD"), "password for broker log in.")
+            ("mechanism", optValue(mechanism, "MECH"), "SASL mechanism to use when authenticating.")
+            ("tcp-nodelay", optValue(tcpNoDelay), "Turn on tcp-nodelay")
+            ("s,summary", optValue(summary), "Print only average latency.");
+    }
+};
+
+uint64_t current_time()
+{
+    Duration t(EPOCH, now());
+    return t;
+}
+
+class Listener : public MessageListener
+{
+  private:
+    Session session;
+    SubscriptionManager subscriptions;
+    uint counter;
+    const uint limit;
+    std::string queue;
+    Message request;
+    double total, min, max;
+    bool summary;
+
+  public:
+    Listener(Session& session, uint limit, bool summary);
+    void start(uint size);
+    void received(Message& message);
+};
+
+Listener::Listener(Session& s, uint l, bool summary_) :
+    session(s), subscriptions(s), counter(0), limit(l),
+    queue(session.getId().getName()), total(),
+    min(std::numeric_limits<double>::max()), max(), summary(summary_)
+{}
+
+void Listener::start(uint size)
+{
+    session.queueDeclare(arg::queue=queue, arg::exclusive=true, arg::autoDelete=true);
+    request.getDeliveryProperties().setRoutingKey(queue);
+    subscriptions.subscribe(*this, queue, SubscriptionSettings(FlowControl::unlimited(), ACCEPT_MODE_NONE));
+
+    request.getDeliveryProperties().setTimestamp(current_time());
+    if (size) request.setData(std::string(size, 'X'));
+    async(session).messageTransfer(arg::content=request);
+    subscriptions.run();
+}
+
+void Listener::received(Message& response)
+{
+    //extract timestamp and compute latency:
+    uint64_t sentAt = response.getDeliveryProperties().getTimestamp();
+    uint64_t receivedAt = current_time();
+
+    double latency = ((double) (receivedAt - sentAt)) / TIME_MSEC;
+    if (!summary) cout << "Latency: " << latency << "ms" << endl;
+    min = std::min(latency, min);
+    max = std::max(latency, max);
+    total += latency;
+
+    if (++counter < limit) {
+        request.getDeliveryProperties().setTimestamp(current_time());
+        async(session).messageTransfer(arg::content=request);
+    } else {
+        subscriptions.cancel(queue);
+        if (summary) cout << min << "\t" << max << "\t" << total/limit << endl;
+        else cout << "min: " << min << " max: " <<  max << " average: " << total/limit << endl;
+    }
+}
+
+}} // namespace qpid::tests
+
+using namespace qpid::tests;
+
+int main(int argc, char** argv)
+{
+    Args opts;
+    opts.parse(argc, argv);
+
+    if (opts.help) {
+        std::cout << opts << std::endl;
+        return 0;
+    }
+
+    Connection connection;
+    try {
+        connection.open(opts);
+        Session session = connection.newSession();
+        Listener listener(session, opts.count, opts.summary);
+        listener.start(opts.size);
+
+        connection.close();
+        return 0;
+    } catch(const std::exception& error) {
+        std::cout << error.what() << std::endl;
+    }
+    return 1;
+}
+
+