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Diffstat (limited to 'cpp/src/qpid/cluster/ExpiryPolicy.cpp')
-rw-r--r-- | cpp/src/qpid/cluster/ExpiryPolicy.cpp | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/cpp/src/qpid/cluster/ExpiryPolicy.cpp b/cpp/src/qpid/cluster/ExpiryPolicy.cpp deleted file mode 100644 index d9a7b0122a..0000000000 --- a/cpp/src/qpid/cluster/ExpiryPolicy.cpp +++ /dev/null @@ -1,126 +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/broker/Message.h" -#include "qpid/cluster/ExpiryPolicy.h" -#include "qpid/cluster/Multicaster.h" -#include "qpid/framing/ClusterMessageExpiredBody.h" -#include "qpid/sys/Time.h" -#include "qpid/sys/Timer.h" -#include "qpid/log/Statement.h" - -namespace qpid { -namespace cluster { - -ExpiryPolicy::ExpiryPolicy(Multicaster& m, const MemberId& id, sys::Timer& t) - : expiryId(1), expiredPolicy(new Expired), mcast(m), memberId(id), timer(t) {} - -struct ExpiryTask : public sys::TimerTask { - ExpiryTask(const boost::intrusive_ptr<ExpiryPolicy>& policy, uint64_t id, sys::AbsTime when) - : TimerTask(when,"ExpiryPolicy"), expiryPolicy(policy), expiryId(id) {} - void fire() { expiryPolicy->sendExpire(expiryId); } - boost::intrusive_ptr<ExpiryPolicy> expiryPolicy; - const uint64_t expiryId; -}; - -// Called while receiving an update -void ExpiryPolicy::setId(uint64_t id) { - sys::Mutex::ScopedLock l(lock); - expiryId = id; -} - -// Called while giving an update -uint64_t ExpiryPolicy::getId() const { - sys::Mutex::ScopedLock l(lock); - return expiryId; -} - -// Called in enqueuing connection thread -void ExpiryPolicy::willExpire(broker::Message& m) { - uint64_t id; - { - // When messages are fanned out to multiple queues, update sends - // them as independenty messages so we can have multiple messages - // with the same expiry ID. - // - sys::Mutex::ScopedLock l(lock); - id = expiryId++; - if (!id) { // This is an update of an already-expired message. - m.setExpiryPolicy(expiredPolicy); - } - else { - assert(unexpiredByMessage.find(&m) == unexpiredByMessage.end()); - // If this is an update, the id may already exist - unexpiredById.insert(IdMessageMap::value_type(id, &m)); - unexpiredByMessage[&m] = id; - } - } - timer.add(new ExpiryTask(this, id, m.getExpiration())); -} - -// Called in dequeueing connection thread -void ExpiryPolicy::forget(broker::Message& m) { - sys::Mutex::ScopedLock l(lock); - MessageIdMap::iterator i = unexpiredByMessage.find(&m); - assert(i != unexpiredByMessage.end()); - unexpiredById.erase(i->second); - unexpiredByMessage.erase(i); -} - -// Called in dequeueing connection or cleanup thread. -bool ExpiryPolicy::hasExpired(broker::Message& m) { - sys::Mutex::ScopedLock l(lock); - return unexpiredByMessage.find(&m) == unexpiredByMessage.end(); -} - -// Called in timer thread -void ExpiryPolicy::sendExpire(uint64_t id) { - { - sys::Mutex::ScopedLock l(lock); - // Don't multicast an expiry notice if message is already forgotten. - if (unexpiredById.find(id) == unexpiredById.end()) return; - } - mcast.mcastControl(framing::ClusterMessageExpiredBody(framing::ProtocolVersion(), id), memberId); -} - -// Called in CPG deliver thread. -void ExpiryPolicy::deliverExpire(uint64_t id) { - sys::Mutex::ScopedLock l(lock); - std::pair<IdMessageMap::iterator, IdMessageMap::iterator> expired = unexpiredById.equal_range(id); - IdMessageMap::iterator i = expired.first; - while (i != expired.second) { - i->second->setExpiryPolicy(expiredPolicy); // hasExpired() == true; - unexpiredByMessage.erase(i->second); - unexpiredById.erase(i++); - } -} - -// Called in update thread on the updater. -boost::optional<uint64_t> ExpiryPolicy::getId(broker::Message& m) { - sys::Mutex::ScopedLock l(lock); - MessageIdMap::iterator i = unexpiredByMessage.find(&m); - return i == unexpiredByMessage.end() ? boost::optional<uint64_t>() : i->second; -} - -bool ExpiryPolicy::Expired::hasExpired(broker::Message&) { return true; } -void ExpiryPolicy::Expired::willExpire(broker::Message&) { } - -}} // namespace qpid::cluster |