| /* |
| * |
| * 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. |
| * |
| */ |
| #ifndef _Subscription_ |
| #define _Subscription_ |
| |
| #include "SubscriptionManager.h" |
| #include "SubscriptionImpl.h" |
| #include <qpid/client/Dispatcher.h> |
| #include <qpid/client/Session.h> |
| #include <qpid/client/MessageListener.h> |
| #include <qpid/framing/Uuid.h> |
| #include <set> |
| #include <sstream> |
| |
| |
| namespace qpid { |
| namespace client { |
| |
| SubscriptionManager::SubscriptionManager(const Session& s) |
| : dispatcher(s), session(s), autoStop(true) |
| {} |
| |
| Subscription SubscriptionManager::subscribe( |
| MessageListener& listener, const std::string& q, const SubscriptionSettings& ss, const std::string& n) |
| { |
| std::string name=n.empty() ? q:n; |
| boost::intrusive_ptr<SubscriptionImpl> si = new SubscriptionImpl(*this, q, ss, name, &listener); |
| dispatcher.listen(si); |
| //issue subscription request after listener is registered with dispatcher |
| si->subscribe(); |
| return subscriptions[name] = Subscription(si.get()); |
| } |
| |
| Subscription SubscriptionManager::subscribe( |
| LocalQueue& lq, const std::string& q, const SubscriptionSettings& ss, const std::string& n) |
| { |
| std::string name=n.empty() ? q:n; |
| lq.queue=session.getExecution().getDemux().add(name, ByTransferDest(name)); |
| boost::intrusive_ptr<SubscriptionImpl> si = new SubscriptionImpl(*this, q, ss, name, 0); |
| si->subscribe(); |
| lq.subscription = Subscription(si.get()); |
| return subscriptions[name] = lq.subscription; |
| } |
| |
| Subscription SubscriptionManager::subscribe( |
| MessageListener& listener, const std::string& q, const std::string& n) |
| { |
| return subscribe(listener, q, defaultSettings, n); |
| } |
| |
| Subscription SubscriptionManager::subscribe( |
| LocalQueue& lq, const std::string& q, const std::string& n) |
| { |
| return subscribe(lq, q, defaultSettings, n); |
| } |
| |
| void SubscriptionManager::cancel(const std::string& dest) |
| { |
| sync(session).messageCancel(dest); |
| dispatcher.cancel(dest); |
| } |
| |
| void SubscriptionManager::setAutoStop(bool set) { autoStop=set; } |
| |
| void SubscriptionManager::run() |
| { |
| dispatcher.setAutoStop(autoStop); |
| dispatcher.run(); |
| } |
| |
| void SubscriptionManager::start() |
| { |
| dispatcher.setAutoStop(autoStop); |
| dispatcher.start(); |
| } |
| |
| void SubscriptionManager::wait() |
| { |
| dispatcher.wait(); |
| } |
| |
| void SubscriptionManager::stop() |
| { |
| dispatcher.stop(); |
| } |
| |
| bool SubscriptionManager::get(Message& result, const std::string& queue, sys::Duration timeout) { |
| LocalQueue lq; |
| std::string unique = framing::Uuid(true).str(); |
| subscribe(lq, queue, SubscriptionSettings(FlowControl::messageCredit(1)), unique); |
| AutoCancel ac(*this, unique); |
| //first wait for message to be delivered if a timeout has been specified |
| if (timeout && lq.get(result, timeout)) |
| return true; |
| //make sure message is not on queue before final check |
| sync(session).messageFlush(unique); |
| return lq.get(result, 0); |
| } |
| |
| Message SubscriptionManager::get(const std::string& queue, sys::Duration timeout) { |
| Message result; |
| if (!get(result, queue, timeout)) |
| throw Exception("Timed out waiting for a message"); |
| return result; |
| } |
| |
| Session SubscriptionManager::getSession() const { return session; } |
| |
| Subscription SubscriptionManager::getSubscription(const std::string& name) const { |
| std::map<std::string, Subscription>::const_iterator i = subscriptions.find(name); |
| if (i == subscriptions.end()) |
| throw Exception(QPID_MSG("Subscription not found: " << name)); |
| return i->second; |
| } |
| |
| void SubscriptionManager::registerFailoverHandler (boost::function<void ()> fh) { |
| dispatcher.registerFailoverHandler(fh); |
| } |
| |
| }} // namespace qpid::client |
| |
| #endif |