Mercurial > hg > orthanc

annotate Core/MultiThreading/ThreadedCommandProcessor.cpp @ 2759:0cfab50c1381 Orthanc-0.7.5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
close old branch
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 17 Jul 2018 09:41:32 +0200
parents 0da078f3affc
children a811bdf8b8eb
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
689
2d0a347e8cfc switch to 2014
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 467
diff changeset
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
458
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 {
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
50 bool success = false;
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
51
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 try
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 {
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
54 if (that->success_)
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
55 {
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
56 // No command has failed so far
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
57
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
58 if (that->cancel_)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
59 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
60 // The commands have been canceled. Skip the execution
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
61 // of this command, yet mark it as succeeded.
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
62 success = true;
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
63 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
64 else
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
65 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
66 success = dynamic_cast<ICommand&>(*command).Execute();
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
67 }
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
68 }
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
69 else
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
70 {
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
71 // A command has already failed. Skip the execution of this command.
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
72 }
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
73 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
74 catch (OrthancException)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
78 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79 boost::mutex::scoped_lock lock(that->mutex_);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
80 assert(that->remainingCommands_ > 0);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
81 that->remainingCommands_--;
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
82
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
83 if (!success)
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
84 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
85 if (!that->cancel_ && that->listener_ && that->success_)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
86 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
87 // This is the first command that fails
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
88 that->listener_->SignalFailure();
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
89 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
90
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
91 that->success_ = false;
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
92 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
93 else
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
94 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
95 if (!that->cancel_ && that->listener_)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
96 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
97 if (that->remainingCommands_ == 0)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
98 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
99 that->listener_->SignalSuccess(that->totalCommands_);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
100 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
101 else
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
102 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
103 that->listener_->SignalProgress(that->totalCommands_ - that->remainingCommands_,
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
104 that->totalCommands_);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
105 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
106 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
107 }
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
108
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
109 that->processedCommand_.notify_all();
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
110 }
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 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
114
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
115
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
116 ThreadedCommandProcessor::ThreadedCommandProcessor(unsigned int numThreads)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
117 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
118 if (numThreads < 1)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
120 throw OrthancException(ErrorCode_ParameterOutOfRange);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
121 }
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
122
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
123 listener_ = NULL;
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
124 success_ = true;
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
125 done_ = false;
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
126 cancel_ = false;
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 threads_.resize(numThreads);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128 remainingCommands_ = 0;
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
129 totalCommands_ = 0;
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
130
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
131 for (unsigned int i = 0; i < numThreads; i++)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
132 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
133 threads_[i] = new boost::thread(Processor, this);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
134 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 ThreadedCommandProcessor::~ThreadedCommandProcessor()
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 done_ = true;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 for (unsigned int i = 0; i < threads_.size(); i++)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 boost::thread* t = threads_[i];
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 if (t != NULL)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
147 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 if (t->joinable())
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
149 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150 t->join();
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 delete t;
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
154 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 void ThreadedCommandProcessor::Post(ICommand* command)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 {
723
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
161 if (command == NULL)
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
162 {
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
163 throw OrthancException(ErrorCode_ParameterOutOfRange);
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
164 }
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
165
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
166 boost::mutex::scoped_lock lock(mutex_);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
167 queue_.Enqueue(command);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
168 remainingCommands_++;
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
169 totalCommands_++;
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 }
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
173 bool ThreadedCommandProcessor::Join()
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 boost::mutex::scoped_lock lock(mutex_);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177 while (!remainingCommands_ == 0)
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178 {
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179 processedCommand_.wait(lock);
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180 }
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
181
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
182 if (cancel_ && listener_)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
183 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
184 listener_->SignalCancel();
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
185 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
186
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
187 // Reset the sequence counters for subsequent commands
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
188 bool hasSucceeded = success_;
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
189 success_ = true;
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
190 totalCommands_ = 0;
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
191 cancel_ = false;
466
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
192
9da3596069b8 handling failed commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 461
diff changeset
193 return hasSucceeded;
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 }
467
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
195
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
196
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
197 void ThreadedCommandProcessor::Cancel()
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
198 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
199 boost::mutex::scoped_lock lock(mutex_);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
200
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
201 cancel_ = true;
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
202 }
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
203
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
204
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
205 void ThreadedCommandProcessor::SetListener(IListener& listener)
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
206 {
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
207 boost::mutex::scoped_lock lock(mutex_);
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
208 listener_ = &listener;
322c1b497036 cancel and listener for commands
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 466
diff changeset
209 }
458
84966299c8f8 ThreadedCommandProcessor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 }