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Diffstat (limited to 'cpp/src/qpid/cluster/Multicaster.cpp')
-rw-r--r-- | cpp/src/qpid/cluster/Multicaster.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/cpp/src/qpid/cluster/Multicaster.cpp b/cpp/src/qpid/cluster/Multicaster.cpp new file mode 100644 index 0000000000..896f7c6a6e --- /dev/null +++ b/cpp/src/qpid/cluster/Multicaster.cpp @@ -0,0 +1,81 @@ +/* + * + * 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 "Multicaster.h" +#include "Cpg.h" +#include "ClusterLeaveException.h" +#include "qpid/log/Statement.h" + + +namespace qpid { +namespace cluster { + +Multicaster::Multicaster(Cpg& cpg_, const boost::shared_ptr<sys::Poller>& poller) : + cpg(cpg_), queue(boost::bind(&Multicaster::sendMcast, this, _1), poller), + holding(true) +{ + queue.start(); +} + +void Multicaster::mcastControl(const framing::AMQBody& body, const ConnectionId& id) { + mcast(Event::control(body, id)); +} + +void Multicaster::mcastBuffer(const char* data, size_t size, const ConnectionId& id) { + Event e(DATA, id, size); + memcpy(e.getData(), data, size); + mcast(e); +} + +void Multicaster::mcast(const Event& e) { + { + sys::Mutex::ScopedLock l(lock); + if (e.getType() == DATA && e.isConnection() && holding) { + holdingQueue.push_back(e); + QPID_LOG(trace, " MCAST held: " << e ); + return; + } + } + queue.push(e); +} + +void Multicaster::sendMcast(PollableEventQueue::Queue& values) { + try { + PollableEventQueue::Queue::iterator i = values.begin(); + while (i != values.end() && i->mcast(cpg)) { + QPID_LOG(trace, " MCAST " << *i); + ++i; + } + values.erase(values.begin(), i); + } + catch (const std::exception& e) { + throw ClusterLeaveException(e.what()); + } +} + +void Multicaster::release() { + sys::Mutex::ScopedLock l(lock); + holding = false; + std::for_each(holdingQueue.begin(), holdingQueue.end(), boost::bind(&Multicaster::mcast, this, _1)); + holdingQueue.clear(); +} + +}} // namespace qpid::cluster |