Mercurial > hg > orthanc

annotate OrthancFramework/Sources/MultiThreading/SharedMessageQueue.cpp @ 5088:8d2c39e8880b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
more doc
author Alain Mazy <am@osimis.io>
date Mon, 26 Sep 2022 19:08:03 +0200
parents 43e613a7756b
children 0ea402b4d901
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
1288
6e7e5ed91c2d upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1227
diff changeset
4 * Department, University Hospital of Liege, Belgium
4870
43e613a7756b upgrade to year 2022
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4831
diff changeset
5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
43e613a7756b upgrade to year 2022
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4831
diff changeset
6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * This program is free software: you can redistribute it and/or
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
9 * modify it under the terms of the GNU Lesser General Public License
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
10 * as published by the Free Software Foundation, either version 3 of
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
11 * the License, or (at your option) any later version.
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * This program is distributed in the hope that it will be useful, but
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
16 * Lesser General Public License for more details.
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 *
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
18 * You should have received a copy of the GNU Lesser General Public
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
19 * License along with this program. If not, see
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
20 * <http://www.gnu.org/licenses/>.
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21 **/
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23
824
a811bdf8b8eb precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 723
diff changeset
24 #include "../PrecompiledHeaders.h"
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 #include "SharedMessageQueue.h"
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
27
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
28 #include "../Compatibility.h"
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
29
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
30
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
31 /**
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
32 * FIFO (queue):
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
33 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
34 * back front
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
35 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
36 * Enqueue -> | | | | | | | | | | | |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
37 * | | | | | | | | | | | | -> Dequeue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
38 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
39 * ^
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
40 * |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
41 * Make room here
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
42 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
43 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
44 * LIFO (stack):
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
45 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
46 * back front
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
47 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
48 * | | | | | | | | | | | | <- Enqueue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
49 * | | | | | | | | | | | | -> Dequeue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
50 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
51 * ^
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
52 * |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
53 * Make room here
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
54 **/
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
55
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
56
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
57 namespace Orthanc
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58 {
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
59 SharedMessageQueue::SharedMessageQueue(unsigned int maxSize) :
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
60 isFifo_(true),
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
61 maxSize_(maxSize)
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
62 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
63 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
64
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
65
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
66 SharedMessageQueue::~SharedMessageQueue()
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
67 {
656
08eca5d86aad fixes to cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 452
diff changeset
68 for (Queue::iterator it = queue_.begin(); it != queue_.end(); ++it)
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70 delete *it;
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
71 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
72 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
73
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
74
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75 void SharedMessageQueue::Enqueue(IDynamicObject* message)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 boost::mutex::scoped_lock lock(mutex_);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
78
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79 if (maxSize_ != 0 && queue_.size() > maxSize_)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
80 {
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
81 if (isFifo_)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
82 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
83 // Too many elements in the queue: Make room
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
84 delete queue_.front();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
85 queue_.pop_front();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
86 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
87 else
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
88 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
89 // Too many elements in the stack: Make room
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
90 delete queue_.back();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
91 queue_.pop_back();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
92 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
93 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
94
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
95 if (isFifo_)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
96 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
97 // Queue policy (FIFO)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
98 queue_.push_back(message);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
99 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
100 else
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
101 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
102 // Stack policy (LIFO)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
103 queue_.push_front(message);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
104 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
105
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
106 elementAvailable_.notify_one();
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
107 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
108
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
109
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
110 IDynamicObject* SharedMessageQueue::Dequeue(int32_t millisecondsTimeout)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
111 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
112 boost::mutex::scoped_lock lock(mutex_);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
113
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
114 // Wait for a message to arrive in the FIFO queue
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
115 while (queue_.empty())
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
116 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
117 if (millisecondsTimeout == 0)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
118 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119 elementAvailable_.wait(lock);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
120 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
121 else
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
122 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
123 bool success = elementAvailable_.timed_wait
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
124 (lock, boost::posix_time::milliseconds(millisecondsTimeout));
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
125 if (!success)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
126 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 return NULL;
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
129 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
130 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
131
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
132 std::unique_ptr<IDynamicObject> message(queue_.front());
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
133 queue_.pop_front();
723
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
134
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
135 if (queue_.empty())
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
136 {
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
137 emptied_.notify_all();
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
138 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 return message.release();
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 }
452
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
142
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
143
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
144
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
145 bool SharedMessageQueue::WaitEmpty(int32_t millisecondsTimeout)
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
146 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
147 boost::mutex::scoped_lock lock(mutex_);
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
148
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
149 // Wait for the queue to become empty
723
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
150 while (!queue_.empty())
452
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
151 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
152 if (millisecondsTimeout == 0)
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
153 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
154 emptied_.wait(lock);
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
155 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
156 else
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
157 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
158 if (!emptied_.timed_wait
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
159 (lock, boost::posix_time::milliseconds(millisecondsTimeout)))
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
160 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
161 return false;
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
162 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
163 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
164 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
165
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
166 return true;
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
167 }
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
168
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
169 bool SharedMessageQueue::IsFifoPolicy() const
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
170 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
171 return isFifo_;
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
172 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
173
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
174 bool SharedMessageQueue::IsLifoPolicy() const
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
175 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
176 return !isFifo_;
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
177 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4169
diff changeset
178
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
179
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
180 void SharedMessageQueue::SetFifoPolicy()
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
181 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
182 boost::mutex::scoped_lock lock(mutex_);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
183 isFifo_ = true;
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
184 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
185
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
186 void SharedMessageQueue::SetLifoPolicy()
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
187 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
188 boost::mutex::scoped_lock lock(mutex_);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
189 isFifo_ = false;
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
190 }
2078
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
191
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
192 void SharedMessageQueue::Clear()
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
193 {
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
194 boost::mutex::scoped_lock lock(mutex_);
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
195
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
196 if (queue_.empty())
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
197 {
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
198 return;
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
199 }
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
200 else
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
201 {
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
202 while (!queue_.empty())
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
203 {
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
204 std::unique_ptr<IDynamicObject> message(queue_.front());
2078
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
205 queue_.pop_front();
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
206 }
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
207
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
208 emptied_.notify_all();
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
209 }
93afa6134ab3 SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
210 }
4169
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
211
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
212 size_t SharedMessageQueue::GetSize()
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
213 {
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
214 boost::mutex::scoped_lock lock(mutex_);
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
215 return queue_.size();
e8005a58de16 SharedMessageQueue::GetSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
216 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 }