Mercurial > hg > orthanc

annotate Core/MultiThreading/ThreadedCommandProcessor.cpp @ 458:84966299c8f8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ThreadedCommandProcessor
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 Jul 2013 16:10:42 +0200
parents
children d665b8fc8560
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege,
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Belgium
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
5 *
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 * This program is free software: you can redistribute it and/or
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * modify it under the terms of the GNU General Public License as
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * published by the Free Software Foundation, either version 3 of the
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * License, or (at your option) any later version.
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 *
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 * In addition, as a special exception, the copyright holders of this
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 * program give permission to link the code of its release with the
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * that use the same license as the "OpenSSL" library), and distribute
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * the linked executables. You must obey the GNU General Public License
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 * in all respects for all of the code used other than "OpenSSL". If you
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 * modify file(s) with this exception, you may extend this exception to
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
18 * your version of the file(s), but you are not obligated to do so. If
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
19 * you do not wish to do so, delete this exception statement from your
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20 * version. If you delete this exception statement from all source files
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21 * in the program, then also delete it here.
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 *
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 * This program is distributed in the hope that it will be useful, but
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26 * General Public License for more details.
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 *
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 * You should have received a copy of the GNU General Public License
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 **/
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33 #include "ThreadedCommandProcessor.h"
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35 #include "../OrthancException.h"
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
37 namespace Orthanc
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
38 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
39 static const int32_t TIMEOUT = 10;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
41
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
42 void ThreadedCommandProcessor::Processor(ThreadedCommandProcessor* that)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
43 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
44 while (!that->done_)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
45 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
46 std::auto_ptr<IDynamicObject> command(that->queue_.Dequeue(TIMEOUT));
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
47
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48 if (command.get() != NULL)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
49 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 try
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 dynamic_cast<ICommand&>(*command).Execute();
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54 catch (OrthancException)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
55 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
56 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
57
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
59 boost::mutex::scoped_lock lock(that->mutex_);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
60 assert(that->remainingCommands_ > 0);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
61 that->remainingCommands_--;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
62 that->processedCommand_.notify_all();
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
63 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
64 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
65 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
66 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
67
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
68
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 ThreadedCommandProcessor::ThreadedCommandProcessor(unsigned int numThreads)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
71 if (numThreads < 1)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
72 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
73 throw OrthancException(ErrorCode_ParameterOutOfRange);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
74 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 done_ = false;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 threads_.resize(numThreads);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
78 remainingCommands_ = 0;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
80 for (unsigned int i = 0; i < numThreads; i++)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
81 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
82 threads_[i] = new boost::thread(Processor, this);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
83 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
84 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
85
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
86
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
87 ThreadedCommandProcessor::~ThreadedCommandProcessor()
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
88 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
89 done_ = true;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
90
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
91 for (unsigned int i = 0; i < threads_.size(); i++)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
92 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
93 boost::thread* t = threads_[i];
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
94
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
95 if (t != NULL)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
96 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
97 if (t->joinable())
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
98 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
99 t->join();
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
100 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
101
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
102 delete t;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
103 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
104 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
105 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
106
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
107
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
108 void ThreadedCommandProcessor::Post(ICommand* command)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
109 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
110 queue_.Enqueue(command);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
111
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
112 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
113 boost::mutex::scoped_lock lock(mutex_);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
114 remainingCommands_++;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
115 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
116 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
117
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
118
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119 void ThreadedCommandProcessor::Join()
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
120 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
121 boost::mutex::scoped_lock lock(mutex_);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
122
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
123 while (!remainingCommands_ == 0)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
124 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
125 processedCommand_.wait(lock);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
126 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128 }