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-rw-r--r--M4-RCs/qpid/cpp/examples/failover/resuming_receiver.cpp127
1 files changed, 0 insertions, 127 deletions
diff --git a/M4-RCs/qpid/cpp/examples/failover/resuming_receiver.cpp b/M4-RCs/qpid/cpp/examples/failover/resuming_receiver.cpp
deleted file mode 100644
index d1886ce861..0000000000
--- a/M4-RCs/qpid/cpp/examples/failover/resuming_receiver.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- *
- * 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/FailoverManager.h>
-#include <qpid/client/Session.h>
-#include <qpid/client/Message.h>
-#include <qpid/client/SubscriptionManager.h>
-
-#include <iostream>
-#include <fstream>
-
-
-using namespace qpid;
-using namespace qpid::client;
-using namespace qpid::framing;
-
-using namespace std;
-
-
-class Listener : public MessageListener,
- public FailoverManager::Command,
- public FailoverManager::ReconnectionStrategy
-{
- public:
- Listener();
- void received(Message& message);
- void execute(AsyncSession& session, bool isRetry);
- void check();
- void editUrlList(std::vector<Url>& urls);
- private:
- Subscription subscription;
- uint count;
- uint skipped;
- uint lastSn;
- bool gaps;
-};
-
-Listener::Listener() : count(0), skipped(0), lastSn(0), gaps(false) {}
-
-void Listener::received(Message & message)
-{
- if (message.getData() == "That's all, folks!") {
- std::cout << "Shutting down listener for " << message.getDestination()
- << std::endl;
-
- std::cout << "Listener received " << count << " messages (" << skipped << " skipped)" << std::endl;
- subscription.cancel();
- } else {
- uint sn = message.getHeaders().getAsInt("sn");
- if (lastSn < sn) {
- if (sn - lastSn > 1) {
- std::cout << "Error: gap in sequence between " << lastSn << " and " << sn << std::endl;
- gaps = true;
- }
- lastSn = sn;
- ++count;
- } else {
- ++skipped;
- }
- }
-}
-
-void Listener::check()
-{
- if (gaps) throw Exception("Detected gaps in sequence; messages appear to have been lost.");
-}
-
-void Listener::execute(AsyncSession& session, bool isRetry)
-{
- if (isRetry) {
- std::cout << "Resuming from " << count << std::endl;
- }
- SubscriptionManager subs(session);
- subscription = subs.subscribe(*this, "message_queue");
- subs.run();
-}
-
-void Listener::editUrlList(std::vector<Url>& urls)
-{
- /**
- * A more realistic algorithm would be to search through the list
- * for prefered hosts and ensure they come first in the list.
- */
- if (urls.size() > 1) std::rotate(urls.begin(), urls.begin() + 1, urls.end());
-}
-
-int main(int argc, char ** argv)
-{
- ConnectionSettings settings;
- if (argc > 1) settings.host = argv[1];
- if (argc > 2) settings.port = atoi(argv[2]);
-
- Listener listener;
- FailoverManager connection(settings, &listener);
-
- try {
- connection.execute(listener);
- connection.close();
- listener.check();
- std::cout << "Completed without error." << std::endl;
- return 0;
- } catch(const std::exception& error) {
- std::cout << "Failure: " << error.what() << std::endl;
- }
- return 1;
-}
-
-
-