Mercurial > hg > orthanc
annotate Core/MultiThreading/SharedMessageQueue.h @ 3038:53d583d2c775 db-changes
removing IDatabaseWrapper::LookupIdentifier()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 19 Dec 2018 18:06:46 +0100 |
parents | 878b59270859 |
children | 4e43e67f8ecf |
rev | line source |
---|---|
450 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 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 |
2447
878b59270859
upgrade to year 2018
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2244
diff
changeset
|
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
450 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #pragma once | |
35 | |
36 #include "../IDynamicObject.h" | |
37 | |
451 | 38 #include <stdint.h> |
450 | 39 #include <list> |
40 #include <boost/thread.hpp> | |
41 | |
42 namespace Orthanc | |
43 { | |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
689
diff
changeset
|
44 class SharedMessageQueue : public boost::noncopyable |
450 | 45 { |
46 private: | |
47 typedef std::list<IDynamicObject*> Queue; | |
48 | |
1227
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
49 bool isFifo_; |
450 | 50 unsigned int maxSize_; |
51 Queue queue_; | |
52 boost::mutex mutex_; | |
53 boost::condition_variable elementAvailable_; | |
452 | 54 boost::condition_variable emptied_; |
450 | 55 |
56 public: | |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
689
diff
changeset
|
57 explicit SharedMessageQueue(unsigned int maxSize = 0); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
689
diff
changeset
|
58 |
450 | 59 ~SharedMessageQueue(); |
60 | |
61 // This transfers the ownership of the message | |
62 void Enqueue(IDynamicObject* message); | |
63 | |
64 // The caller is responsible to delete the dequeud message! | |
65 IDynamicObject* Dequeue(int32_t millisecondsTimeout); | |
452 | 66 |
67 bool WaitEmpty(int32_t millisecondsTimeout); | |
1227
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
68 |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
69 bool IsFifoPolicy() const |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
70 { |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
71 return isFifo_; |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
72 } |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
73 |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
74 bool IsLifoPolicy() const |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
75 { |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
76 return !isFifo_; |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
77 } |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
78 |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
79 void SetFifoPolicy(); |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
80 |
7266c37d0354
lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
81 void SetLifoPolicy(); |
2078
93afa6134ab3
SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
82 |
93afa6134ab3
SharedMessageQueue::Clear
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
83 void Clear(); |
450 | 84 }; |
85 } |