blob: d0dc8e57a8799887ecf759cb9c5f17e2b5aefe0c (
plain)
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
#ifndef QPID_CLUSTER_CORE_H
#define QPID_CLUSTER_CORE_H
/*
*
* 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 <string>
#include <memory>
#include "LockedMap.h"
#include "Multicaster.h"
#include "qpid/cluster/types.h"
#include "qpid/cluster/Cpg.h"
#include "qpid/broker/QueuedMessage.h"
// TODO aconway 2010-10-19: experimental cluster code.
namespace qpid {
namespace framing{
class AMQBody;
}
namespace broker {
class Broker;
}
namespace cluster {
class EventHandler;
class BrokerContext;
/**
* Cluster core state machine.
* Holds together the various objects that implement cluster behavior,
* and holds state that is shared by multiple components.
*
* Thread safe: called from broker connection threads and CPG dispatch threads.
*/
class Core
{
public:
/** Configuration settings */
struct Settings {
std::string name;
};
typedef LockedMap<RoutingId, boost::intrusive_ptr<broker::Message> > RoutingMap;
/** Constructed during Plugin::earlyInitialize() */
Core(const Settings&, broker::Broker&);
/** Called during Plugin::initialize() */
void initialize();
/** Shut down broker due to fatal error. Caller should log a critical message */
void fatal();
/** Multicast an event */
void mcast(const framing::AMQBody&);
broker::Broker& getBroker() { return broker; }
EventHandler& getEventHandler() { return *eventHandler; }
BrokerContext& getBrokerContext() { return *brokerHandler; }
Multicaster& getMulticaster() { return multicaster; }
/** Map of messages that are currently being routed.
* Used to pass messages being routed from BrokerContext to MessageHandler
*/
RoutingMap& getRoutingMap() { return routingMap; }
private:
broker::Broker& broker;
std::auto_ptr<EventHandler> eventHandler; // Handles CPG events.
BrokerContext* brokerHandler; // Handles broker events.
RoutingMap routingMap;
Multicaster multicaster;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_CORE_H*/
|
