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Diffstat (limited to 'cpp/src/qpid/cluster/ClusterTimer.cpp')
| -rw-r--r-- | cpp/src/qpid/cluster/ClusterTimer.cpp | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/cpp/src/qpid/cluster/ClusterTimer.cpp b/cpp/src/qpid/cluster/ClusterTimer.cpp deleted file mode 100644 index 90e4fa9d4d..0000000000 --- a/cpp/src/qpid/cluster/ClusterTimer.cpp +++ /dev/null @@ -1,144 +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 "Cluster.h" -#include "ClusterTimer.h" -#include "qpid/log/Statement.h" -#include "qpid/framing/ClusterTimerWakeupBody.h" -#include "qpid/framing/ClusterTimerDropBody.h" -#include "qpid/sys/ClusterSafe.h" - -namespace qpid { -namespace cluster { - -using boost::intrusive_ptr; -using std::max; -using sys::Timer; -using sys::TimerTask; - -// -// Note on use of Broker::getTimer() rather than getClusterTime in broker code. -// The following uses of getTimer() are cluster safe: -// -// LinkRegistry: maintenance visits in timer can call Bridge::create/cancel -// but these don't modify any management state. -// -// broker::Connection: -// - Heartbeats use ClusterOrderOutput to ensure consistency -// - timeout: aborts connection in timer, cluster does an orderly connection close. -// -// SessionState: scheduledCredit - uses ClusterOrderProxy -// Broker::queueCleaner: cluster implements ExpiryPolicy for consistent expiry. -// -// Broker::dtxManager: dtx disabled with cluster. -// -// requestIOProcessing: called in doOutput. -// - - -ClusterTimer::ClusterTimer(Cluster& c) : cluster(c) { - // Allow more generous overrun threshold with cluster as we - // have to do a CPG round trip before executing the task. - overran = 10*sys::TIME_MSEC; - late = 100*sys::TIME_MSEC; -} - -ClusterTimer::~ClusterTimer() {} - -// Initialization or deliver thread. -void ClusterTimer::add(intrusive_ptr<TimerTask> task) -{ - QPID_LOG(trace, "Adding cluster timer task " << task->getName()); - Map::iterator i = map.find(task->getName()); - if (i != map.end()) - throw Exception(QPID_MSG("Task already exists with name " << task->getName())); - map[task->getName()] = task; - - // Only the elder actually activates the task with the Timer base class. - if (cluster.isElder()) { - QPID_LOG(trace, "Elder activating cluster timer task " << task->getName()); - Timer::add(task); - } -} - -// Timer thread -void ClusterTimer::fire(intrusive_ptr<TimerTask> t) { - // Elder mcasts wakeup on fire, task is not fired until deliverWakeup - if (cluster.isElder()) { - QPID_LOG(trace, "Sending cluster timer wakeup " << t->getName()); - cluster.getMulticast().mcastControl( - framing::ClusterTimerWakeupBody(framing::ProtocolVersion(), t->getName()), - cluster.getId()); - } - else - QPID_LOG(trace, "Cluster timer task fired, but not elder " << t->getName()); -} - -// Timer thread -void ClusterTimer::drop(intrusive_ptr<TimerTask> t) { - // Elder mcasts drop, task is droped in deliverDrop - if (cluster.isElder()) { - QPID_LOG(trace, "Sending cluster timer drop " << t->getName()); - cluster.getMulticast().mcastControl( - framing::ClusterTimerDropBody(framing::ProtocolVersion(), t->getName()), - cluster.getId()); - } - else - QPID_LOG(trace, "Cluster timer task dropped, but not on elder " << t->getName()); -} - -// Deliver thread -void ClusterTimer::deliverWakeup(const std::string& name) { - QPID_LOG(trace, "Cluster timer wakeup delivered for " << name); - qpid::sys::assertClusterSafe(); - Map::iterator i = map.find(name); - if (i == map.end()) - throw Exception(QPID_MSG("Cluster timer wakeup non-existent task " << name)); - else { - intrusive_ptr<TimerTask> t = i->second; - map.erase(i); - // Move the nextFireTime so readyToFire() is true. This is to ensure we - // don't get an error if the fired task calls setupNextFire() - t->setFired(); - Timer::fire(t); - } -} - -// Deliver thread -void ClusterTimer::deliverDrop(const std::string& name) { - QPID_LOG(trace, "Cluster timer drop delivered for " << name); - Map::iterator i = map.find(name); - if (i == map.end()) - throw Exception(QPID_MSG("Cluster timer drop non-existent task " << name)); - else { - intrusive_ptr<TimerTask> t = i->second; - map.erase(i); - } -} - -// Deliver thread -void ClusterTimer::becomeElder() { - for (Map::iterator i = map.begin(); i != map.end(); ++i) { - Timer::add(i->second); - } -} - -}} |