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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
#ifndef QPID_CLIENT_SUBSCRIPTIONMANAGER_H
#define QPID_CLIENT_SUBSCRIPTIONMANAGER_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 "qpid/sys/Mutex.h"
#include <qpid/client/Dispatcher.h>
#include <qpid/client/Session_0_10.h>
#include <qpid/client/MessageListener.h>
#include <qpid/client/LocalQueue.h>
#include <set>
#include <sstream>
namespace qpid {
namespace client {
class SubscriptionManager
{
typedef sys::Mutex::ScopedLock Lock;
typedef sys::Mutex::ScopedUnlock Unlock;
void subscribeInternal(const std::string& q, const std::string& dest);
qpid::client::Dispatcher dispatcher;
qpid::client::Session_0_10& session;
uint32_t messages;
uint32_t bytes;
bool window;
AckPolicy autoAck;
bool confirmMode;
bool acquireMode;
public:
SubscriptionManager(Session_0_10& session);
/**
* Subscribe a MessagesListener to receive messages from queue.
*
*@param listener Listener object to receive messages.
*@param queue Name of the queue to subscribe to.
*@param tag Unique destination tag for the listener.
* If not specified, the queue name is used.
*/
void subscribe(MessageListener& listener,
const std::string& queue,
const std::string& tag=std::string());
/**
* Subscribe a LocalQueue to receive messages from queue.
*
*@param queue Name of the queue to subscribe to.
*@param tag Unique destination tag for the listener.
* If not specified, the queue name is used.
*/
void subscribe(LocalQueue& localQueue,
const std::string& queue,
const std::string& tag=std::string());
/** Cancel a subscription. */
void cancel(const std::string tag);
/** Deliver messages until stop() is called.
*@param autoStop If true, return when all listeners are cancelled.
*/
void run(bool autoStop=true);
/** Cause run() to return */
void stop();
static const uint32_t UNLIMITED=0xFFFFFFFF;
/** Set the flow control for destination tag.
*@param tag: name of the destination.
*@param messages: message credit.
*@param bytes: byte credit.
*@param window: if true use window-based flow control.
*/
void setFlowControl(const std::string& tag, uint32_t messages, uint32_t bytes, bool window=true);
/** Set the initial flow control settings to be applied to each new subscribtion.
*@param messages: message credit.
*@param bytes: byte credit.
*@param window: if true use window-based flow control.
*/
void setFlowControl(uint32_t messages, uint32_t bytes, bool window=true);
/** Set the confirm-mode for new subscriptions. Defaults to true.
*@param confirm: if true messages must be confirmed by calling
*Message::acknowledge() or automatically, see setAckPolicy()
*/
void setConfirmMode(bool confirm);
/** Set the acquire-mode for new subscriptions. Defaults to false.
*@param acquire: if false messages pre-acquired, if true
* messages are dequed on acknowledgement or on transfer
* depending on confirmMode.
*/
void setAcquireMode(bool acquire);
/** Set the acknowledgement policy for new subscriptions.
* Default is to acknowledge every message automatically.
*/
void setAckPolicy(const AckPolicy& autoAck);
};
}} // namespace qpid::client
#endif /*!QPID_CLIENT_SUBSCRIPTIONMANAGER_H*/
|
