|
1920
|
1 /**
|
|
|
2 * Orthanc - A Lightweight, RESTful DICOM Store
|
|
|
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
|
|
|
4 * Department, University Hospital of Liege, Belgium
|
|
|
5 *
|
|
|
6 * This program is free software: you can redistribute it and/or
|
|
|
7 * modify it under the terms of the GNU General Public License as
|
|
|
8 * published by the Free Software Foundation, either version 3 of the
|
|
|
9 * License, or (at your option) any later version.
|
|
|
10 *
|
|
|
11 * In addition, as a special exception, the copyright holders of this
|
|
|
12 * program give permission to link the code of its release with the
|
|
|
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
|
|
|
14 * that use the same license as the "OpenSSL" library), and distribute
|
|
|
15 * the linked executables. You must obey the GNU General Public License
|
|
|
16 * in all respects for all of the code used other than "OpenSSL". If you
|
|
|
17 * modify file(s) with this exception, you may extend this exception to
|
|
|
18 * your version of the file(s), but you are not obligated to do so. If
|
|
|
19 * you do not wish to do so, delete this exception statement from your
|
|
|
20 * version. If you delete this exception statement from all source files
|
|
|
21 * in the program, then also delete it here.
|
|
|
22 *
|
|
|
23 * This program is distributed in the hope that it will be useful, but
|
|
|
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
26 * General Public License for more details.
|
|
|
27 *
|
|
|
28 * You should have received a copy of the GNU General Public License
|
|
|
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
30 **/
|
|
|
31
|
|
|
32
|
|
|
33 #include "../PrecompiledHeaders.h"
|
|
|
34 #include "BagOfTasksProcessor.h"
|
|
|
35
|
|
|
36 #include "../OrthancException.h"
|
|
|
37
|
|
|
38
|
|
|
39 namespace Orthanc
|
|
|
40 {
|
|
|
41 class BagOfTasksProcessor::Task : public IDynamicObject
|
|
|
42 {
|
|
|
43 private:
|
|
|
44 uint64_t bag_;
|
|
|
45 std::auto_ptr<ICommand> command_;
|
|
|
46
|
|
|
47 public:
|
|
|
48 Task(uint64_t bag,
|
|
|
49 ICommand* command) :
|
|
|
50 bag_(bag),
|
|
|
51 command_(command)
|
|
|
52 {
|
|
|
53 }
|
|
|
54
|
|
|
55 bool Execute()
|
|
|
56 {
|
|
|
57 try
|
|
|
58 {
|
|
|
59 return command_->Execute();
|
|
|
60 }
|
|
|
61 catch (OrthancException&)
|
|
|
62 {
|
|
|
63 return false;
|
|
|
64 }
|
|
|
65 catch (std::runtime_error&)
|
|
|
66 {
|
|
|
67 return false;
|
|
|
68 }
|
|
|
69 }
|
|
|
70
|
|
|
71 uint64_t GetBag()
|
|
|
72 {
|
|
|
73 return bag_;
|
|
|
74 }
|
|
|
75 };
|
|
|
76
|
|
|
77
|
|
|
78 void BagOfTasksProcessor::Worker(BagOfTasksProcessor* that)
|
|
|
79 {
|
|
|
80 while (that->continue_)
|
|
|
81 {
|
|
|
82 std::auto_ptr<IDynamicObject> obj(that->queue_.Dequeue(100));
|
|
|
83 if (obj.get() != NULL)
|
|
|
84 {
|
|
|
85 Task& task = *dynamic_cast<Task*>(obj.get());
|
|
|
86
|
|
|
87 {
|
|
|
88 boost::mutex::scoped_lock lock(that->mutex_);
|
|
|
89
|
|
|
90 Bags::iterator bag = that->bags_.find(task.GetBag());
|
|
|
91 assert(bag != that->bags_.end());
|
|
|
92 assert(bag->second.done_ < bag->second.size_);
|
|
|
93
|
|
|
94 if (bag->second.status_ != BagStatus_Running)
|
|
|
95 {
|
|
|
96 // This bag of task has failed or is tagged as canceled, do nothing
|
|
|
97 bag->second.done_ += 1;
|
|
|
98 continue;
|
|
|
99 }
|
|
|
100 }
|
|
|
101
|
|
|
102 bool success = task.Execute();
|
|
|
103
|
|
|
104 {
|
|
|
105 boost::mutex::scoped_lock lock(that->mutex_);
|
|
|
106
|
|
|
107 Bags::iterator bag = that->bags_.find(task.GetBag());
|
|
|
108 assert(bag != that->bags_.end());
|
|
|
109
|
|
|
110 if (!success)
|
|
|
111 {
|
|
|
112 bag->second.status_ = BagStatus_Failed;
|
|
|
113 }
|
|
|
114
|
|
|
115 assert(bag->second.done_ < bag->second.size_);
|
|
|
116 bag->second.done_ += 1;
|
|
|
117
|
|
|
118 if (bag->second.done_ == bag->second.size_)
|
|
|
119 {
|
|
|
120 that->exitStatus_[task.GetBag()] = (bag->second.status_ == BagStatus_Running);
|
|
|
121 that->bagFinished_.notify_all();
|
|
|
122 }
|
|
|
123 }
|
|
|
124 }
|
|
|
125 }
|
|
|
126 }
|
|
|
127
|
|
|
128
|
|
|
129 void BagOfTasksProcessor::Cancel(int64_t bag)
|
|
|
130 {
|
|
|
131 boost::mutex::scoped_lock lock(mutex_);
|
|
|
132
|
|
|
133 Bags::iterator it = bags_.find(bag);
|
|
|
134 if (it != bags_.end())
|
|
|
135 {
|
|
|
136 it->second.status_ = BagStatus_Canceled;
|
|
|
137 }
|
|
|
138 }
|
|
|
139
|
|
|
140
|
|
|
141 bool BagOfTasksProcessor::Join(int64_t bag)
|
|
|
142 {
|
|
|
143 boost::mutex::scoped_lock lock(mutex_);
|
|
|
144
|
|
|
145 while (continue_)
|
|
|
146 {
|
|
|
147 ExitStatus::iterator it = exitStatus_.find(bag);
|
|
|
148 if (it == exitStatus_.end()) // The bag is still running
|
|
|
149 {
|
|
|
150 bagFinished_.wait(lock);
|
|
|
151 }
|
|
|
152 else
|
|
|
153 {
|
|
|
154 bool status = it->second;
|
|
|
155 exitStatus_.erase(it);
|
|
|
156 return status;
|
|
|
157 }
|
|
|
158 }
|
|
|
159
|
|
|
160 return false; // The processor is stopping
|
|
|
161 }
|
|
|
162
|
|
|
163
|
|
|
164 float BagOfTasksProcessor::GetProgress(int64_t bag)
|
|
|
165 {
|
|
|
166 boost::mutex::scoped_lock lock(mutex_);
|
|
|
167
|
|
|
168 Bags::const_iterator it = bags_.find(bag);
|
|
|
169 if (it == bags_.end())
|
|
|
170 {
|
|
|
171 // The bag of tasks has finished
|
|
|
172 return 1.0f;
|
|
|
173 }
|
|
|
174 else
|
|
|
175 {
|
|
|
176 return (static_cast<float>(it->second.done_) /
|
|
|
177 static_cast<float>(it->second.size_));
|
|
|
178 }
|
|
|
179 }
|
|
|
180
|
|
|
181
|
|
|
182 bool BagOfTasksProcessor::Handle::Join()
|
|
|
183 {
|
|
|
184 if (hasJoined_)
|
|
|
185 {
|
|
|
186 return status_;
|
|
|
187 }
|
|
|
188 else
|
|
|
189 {
|
|
|
190 status_ = that_.Join(bag_);
|
|
|
191 hasJoined_ = true;
|
|
|
192 return status_;
|
|
|
193 }
|
|
|
194 }
|
|
|
195
|
|
|
196
|
|
|
197 BagOfTasksProcessor::BagOfTasksProcessor(size_t countThreads) :
|
|
|
198 countBags_(0),
|
|
|
199 continue_(true)
|
|
|
200 {
|
|
|
201 if (countThreads <= 0)
|
|
|
202 {
|
|
|
203 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
204 }
|
|
|
205
|
|
|
206 threads_.resize(countThreads);
|
|
|
207
|
|
|
208 for (size_t i = 0; i < threads_.size(); i++)
|
|
|
209 {
|
|
|
210 threads_[i] = new boost::thread(Worker, this);
|
|
|
211 }
|
|
|
212 }
|
|
|
213
|
|
|
214
|
|
|
215 BagOfTasksProcessor::~BagOfTasksProcessor()
|
|
|
216 {
|
|
|
217 continue_ = false;
|
|
|
218
|
|
|
219 bagFinished_.notify_all(); // Wakes up all the pending "Join()"
|
|
|
220
|
|
|
221 for (size_t i = 0; i < threads_.size(); i++)
|
|
|
222 {
|
|
|
223 if (threads_[i])
|
|
|
224 {
|
|
|
225 if (threads_[i]->joinable())
|
|
|
226 {
|
|
|
227 threads_[i]->join();
|
|
|
228 }
|
|
|
229
|
|
|
230 delete threads_[i];
|
|
|
231 threads_[i] = NULL;
|
|
|
232 }
|
|
|
233 }
|
|
|
234 }
|
|
|
235
|
|
|
236
|
|
|
237 BagOfTasksProcessor::Handle* BagOfTasksProcessor::Submit(BagOfTasks& tasks)
|
|
|
238 {
|
|
|
239 boost::mutex::scoped_lock lock(mutex_);
|
|
|
240
|
|
|
241 uint64_t id = countBags_;
|
|
|
242 countBags_ += 1;
|
|
|
243
|
|
|
244 Bag bag(tasks.GetSize());
|
|
|
245 bags_[id] = bag;
|
|
|
246
|
|
|
247 while (!tasks.IsEmpty())
|
|
|
248 {
|
|
|
249 queue_.Enqueue(new Task(id, tasks.Pop()));
|
|
|
250 }
|
|
|
251
|
|
|
252 return new Handle(*this, id);
|
|
|
253 }
|
|
|
254 }
|
