1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
*
* 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 "Core.h"
#include "EventHandler.h"
#include "BrokerContext.h"
#include "WiringHandler.h"
#include "MessageHandler.h"
#include "QueueContext.h"
#include "QueueHandler.h"
#include "qpid/broker/Broker.h"
#include "qpid/broker/SignalHandler.h"
#include "qpid/framing/AMQFrame.h"
#include "qpid/framing/Buffer.h"
#include "qpid/log/Statement.h"
#include <sys/uio.h> // For iovec
#include <boost/lexical_cast.hpp>
namespace qpid {
namespace cluster {
Core::Core(const Settings& s, broker::Broker& b) :
broker(b),
settings(s)
{
// FIXME aconway 2011-09-26: this has to be consistent in a
// cluster, negotiate as part of join protocol.
size_t nGroups = broker.getOptions().workerThreads;
for (size_t i = 0; i < nGroups; ++i) {
// FIXME aconway 2011-09-26: review naming. Create group for non-message traffic, e.g. initial join protocol.
std::string groupName = s.name + "-" + boost::lexical_cast<std::string>(i);
groups.push_back(new Group(*this));
boost::intrusive_ptr<QueueHandler> queueHandler(
new QueueHandler(groups[i]->getEventHandler(), groups[i]->getMulticaster(), settings));
groups[i]->getEventHandler().add(queueHandler);
groups[i]->getEventHandler().add(boost::intrusive_ptr<HandlerBase>(
new WiringHandler(groups[i]->getEventHandler(), queueHandler, broker)));
groups[i]->getEventHandler().add(boost::intrusive_ptr<HandlerBase>(
new MessageHandler(groups[i]->getEventHandler(), *this)));
std::auto_ptr<BrokerContext> bh(new BrokerContext(*this, queueHandler));
brokerHandler = bh.get();
// BrokerContext belongs to Broker
broker.setCluster(std::auto_ptr<broker::Cluster>(bh));
// FIXME aconway 2011-09-26: multi-group
groups[i]->getEventHandler().start();
groups[i]->getEventHandler().getCpg().join(groupName);
// TODO aconway 2010-11-18: logging standards
// FIXME aconway 2011-09-26: multi-group
QPID_LOG(notice, "cluster: joined " << groupName << ", member-id="<< groups[i]->getEventHandler().getSelf());
}
}
void Core::initialize() {}
void Core::fatal() {
broker::SignalHandler::shutdown();
}
Group& Core::getGroup(size_t hashValue) {
return *groups[hashValue % groups.size()];
}
}} // namespace qpid::cluster
|