Mercurial > hg > orthanc-stone
comparison Framework/Loaders/GenericLoadersContext.cpp @ 1228:c471a0aa137b broker
adding the next generation of loaders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 09 Dec 2019 13:58:37 +0100 |
parents | |
children | b9b5d4378874 |
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1227:a1c0c9c9f9af | 1228:c471a0aa137b |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "GenericLoadersContext.h" | |
23 | |
24 namespace OrthancStone | |
25 { | |
26 class GenericLoadersContext::Locker : public ILoadersContext::ILock | |
27 { | |
28 private: | |
29 GenericLoadersContext& that_; | |
30 boost::recursive_mutex::scoped_lock lock_; | |
31 | |
32 public: | |
33 Locker(GenericLoadersContext& that) : | |
34 that_(that), | |
35 lock_(that.mutex_) | |
36 { | |
37 } | |
38 | |
39 virtual ILoadersContext& GetContext() const ORTHANC_OVERRIDE | |
40 { | |
41 return that_; | |
42 }; | |
43 | |
44 virtual void AddLoader(boost::shared_ptr<IObserver> loader) ORTHANC_OVERRIDE | |
45 { | |
46 that_.loaders_.push_back(loader); | |
47 } | |
48 | |
49 virtual IObservable& GetOracleObservable() const ORTHANC_OVERRIDE | |
50 { | |
51 return that_.oracleObservable_; | |
52 } | |
53 | |
54 virtual void Schedule(boost::shared_ptr<IObserver> receiver, | |
55 int priority, | |
56 IOracleCommand* command /* Takes ownership */) ORTHANC_OVERRIDE | |
57 { | |
58 that_.scheduler_->Schedule(receiver, priority, command); | |
59 }; | |
60 | |
61 virtual void CancelRequests(boost::shared_ptr<IObserver> receiver) ORTHANC_OVERRIDE | |
62 { | |
63 that_.scheduler_->CancelRequests(receiver); | |
64 } | |
65 | |
66 virtual void CancelAllRequests() ORTHANC_OVERRIDE | |
67 { | |
68 that_.scheduler_->CancelAllRequests(); | |
69 } | |
70 }; | |
71 | |
72 | |
73 void GenericLoadersContext::EmitMessage(boost::weak_ptr<IObserver> observer, | |
74 const IMessage& message) | |
75 { | |
76 boost::recursive_mutex::scoped_lock lock(mutex_); | |
77 //LOG(INFO) << " inside emit lock: " << message.GetIdentifier().AsString(); | |
78 oracleObservable_.EmitMessage(observer, message); | |
79 //LOG(INFO) << " outside emit lock"; | |
80 } | |
81 | |
82 | |
83 GenericLoadersContext::GenericLoadersContext(unsigned int maxHighPriority, | |
84 unsigned int maxStandardPriority, | |
85 unsigned int maxLowPriority) | |
86 { | |
87 oracle_.reset(new ThreadedOracle(*this)); | |
88 scheduler_ = OracleScheduler::Create(*oracle_, oracleObservable_, *this, | |
89 maxHighPriority, maxStandardPriority, maxLowPriority); | |
90 } | |
91 | |
92 | |
93 GenericLoadersContext::~GenericLoadersContext() | |
94 { | |
95 LOG(WARNING) << "scheduled commands: " << scheduler_->GetTotalScheduled() | |
96 << ", processed commands: " << scheduler_->GetTotalProcessed(); | |
97 scheduler_.reset(); | |
98 //LOG(INFO) << "counter: " << scheduler_.use_count(); | |
99 } | |
100 | |
101 | |
102 void GenericLoadersContext::SetOrthancParameters(const Orthanc::WebServiceParameters& parameters) | |
103 { | |
104 boost::recursive_mutex::scoped_lock lock(mutex_); | |
105 oracle_->SetOrthancParameters(parameters); | |
106 } | |
107 | |
108 | |
109 void GenericLoadersContext::SetRootDirectory(const std::string& root) | |
110 { | |
111 boost::recursive_mutex::scoped_lock lock(mutex_); | |
112 oracle_->SetRootDirectory(root); | |
113 } | |
114 | |
115 | |
116 void GenericLoadersContext::SetDicomCacheSize(size_t size) | |
117 { | |
118 boost::recursive_mutex::scoped_lock lock(mutex_); | |
119 oracle_->SetDicomCacheSize(size); | |
120 } | |
121 | |
122 | |
123 void GenericLoadersContext::StartOracle() | |
124 { | |
125 boost::recursive_mutex::scoped_lock lock(mutex_); | |
126 oracle_->Start(); | |
127 //LOG(INFO) << "STARTED ORACLE"; | |
128 } | |
129 | |
130 | |
131 void GenericLoadersContext::StopOracle() | |
132 { | |
133 /** | |
134 * DON'T lock "mutex_" here, otherwise Stone won't be able to | |
135 * stop if one command being executed by the oracle has to emit | |
136 * a message (method "EmitMessage()" would have to lock the | |
137 * mutex too). | |
138 **/ | |
139 | |
140 //LOG(INFO) << "STOPPING ORACLE"; | |
141 oracle_->Stop(); | |
142 //LOG(INFO) << "STOPPED ORACLE"; | |
143 } | |
144 | |
145 | |
146 void GenericLoadersContext::WaitUntilComplete() | |
147 { | |
148 for (;;) | |
149 { | |
150 { | |
151 boost::recursive_mutex::scoped_lock lock(mutex_); | |
152 if (scheduler_ && | |
153 scheduler_->GetTotalScheduled() == scheduler_->GetTotalProcessed()) | |
154 { | |
155 return; | |
156 } | |
157 } | |
158 | |
159 boost::this_thread::sleep(boost::posix_time::milliseconds(100)); | |
160 } | |
161 } | |
162 | |
163 | |
164 ILoadersContext::ILock* GenericLoadersContext::Lock() | |
165 { | |
166 return new Locker(*this); | |
167 } | |
168 | |
169 | |
170 void GenericLoadersContext::GetStatistics(uint64_t& scheduledCommands, | |
171 uint64_t& processedCommands) | |
172 { | |
173 boost::recursive_mutex::scoped_lock lock(mutex_); | |
174 if (scheduler_) | |
175 { | |
176 scheduledCommands = scheduler_->GetTotalScheduled(); | |
177 processedCommands = scheduler_->GetTotalProcessed(); | |
178 } | |
179 else | |
180 { | |
181 scheduledCommands = 0; | |
182 processedCommands = 0; | |
183 } | |
184 } | |
185 } |