Mercurial > hg > orthanc
annotate OrthancServer/Resources/Samples/Python/HighPerformanceAutoRouting.py @ 5839:7aef730c0859 default tip
cont
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 16 Oct 2024 19:34:42 +0200 |
parents | f7adfb22e20e |
children |
rev | line source |
---|---|
404 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
747
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
4 # Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 5 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1288
6e7e5ed91c2d
upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1184
diff
changeset
|
6 # Department, University Hospital of Liege, Belgium |
5640
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
7 # Copyright (C) 2017-2023 Osimis S.A., Belgium |
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
8 # Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
5485
48b8dae6dc77
upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
9 # Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
747
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
10 # |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
11 # This program is free software: you can redistribute it and/or |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
12 # modify it under the terms of the GNU General Public License as |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
13 # published by the Free Software Foundation, either version 3 of the |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
14 # License, or (at your option) any later version. |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
15 # |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
16 # This program is distributed in the hope that it will be useful, but |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
17 # WITHOUT ANY WARRANTY; without even the implied warranty of |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
19 # General Public License for more details. |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
20 # |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
21 # You should have received a copy of the GNU General Public License |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
22 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
23 |
44382c8bcd15
added explicit licensing terms for samples
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
413
diff
changeset
|
24 |
404 | 25 |
2032
65b1ce7cb84f
Replaced "localhost" by "127.0.0.1", as it might impact performance on Windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
26 URL = 'http://127.0.0.1:8042' |
404 | 27 TARGET = 'sample' |
28 | |
29 | |
30 # | |
31 # This sample code shows how to setup a simple, high-performance DICOM | |
32 # auto-routing. All the DICOM instances that arrive inside Orthanc | |
33 # will be sent to a remote modality. A producer-consumer pattern is | |
34 # used. The target modality is specified by the TARGET variable above: | |
35 # It must match an entry in the Orthanc configuration file inside the | |
36 # "DicomModalities" section. | |
37 # | |
38 # NOTE: This sample only works with Orthanc >= 0.5.2. Make sure that | |
39 # Orthanc was built with "-DCMAKE_BUILD_TYPE=Release" to get the best | |
40 # performance. | |
41 # | |
42 | |
43 import Queue | |
44 import sys | |
45 import time | |
46 import threading | |
47 | |
48 import RestToolbox | |
49 | |
50 | |
51 # | |
52 # Queue that is shared between the producer and the consumer | |
53 # threads. It holds the instances that are still to be sent. | |
54 # | |
55 | |
56 queue = Queue.Queue() | |
57 | |
58 | |
59 # | |
60 # The producer thread. It monitors the arrival of new instances into | |
61 # Orthanc, and pushes their ID into the shared queue. This code is | |
62 # based upon the "ChangesLoop.py" sample code. | |
63 # | |
64 | |
65 def Producer(queue): | |
66 current = 0 | |
67 | |
68 while True: | |
69 r = RestToolbox.DoGet(URL + '/changes', { | |
70 'since' : current, | |
71 'limit' : 4 # Retrieve at most 4 changes at once | |
72 }) | |
73 | |
74 for change in r['Changes']: | |
3340 | 75 # We are only interested in the arrival of new instances |
404 | 76 if change['ChangeType'] == 'NewInstance': |
77 queue.put(change['ID']) | |
78 | |
79 current = r['Last'] | |
80 | |
81 if r['Done']: | |
82 time.sleep(1) | |
83 | |
84 | |
85 # | |
86 # The consumer thread. It continuously reads the instances from the | |
87 # queue, and send them to the remote modality. Each time a packet of | |
88 # instances is sent, a single DICOM connexion is used, hence improving | |
89 # the performance. | |
90 # | |
91 | |
92 def Consumer(queue): | |
93 TIMEOUT = 0.1 | |
94 | |
95 while True: | |
96 instances = [] | |
97 | |
98 while True: | |
99 try: | |
100 # Block for a while, waiting for the arrival of a new | |
101 # instance | |
102 instance = queue.get(True, TIMEOUT) | |
103 | |
104 # A new instance has arrived: Record its ID | |
105 instances.append(instance) | |
106 queue.task_done() | |
107 | |
108 except Queue.Empty: | |
109 # Timeout: No more data was received | |
110 break | |
111 | |
112 if len(instances) > 0: | |
1184 | 113 print('Sending a packet of %d instances' % len(instances)) |
404 | 114 start = time.time() |
115 | |
116 # Send all the instances with a single DICOM connexion | |
117 RestToolbox.DoPost('%s/modalities/sample/store' % URL, instances) | |
118 | |
119 # Remove all the instances from Orthanc | |
120 for instance in instances: | |
121 RestToolbox.DoDelete('%s/instances/%s' % (URL, instance)) | |
122 | |
413
47d63c941902
clearing /exports and /changes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
404
diff
changeset
|
123 # Clear the log of the exported instances (to prevent the |
1143 | 124 # SQLite database from growing indefinitely). More simply, |
125 # you could also set the "LogExportedResources" option to | |
1144 | 126 # "false" in the configuration file since Orthanc 0.8.3. |
413
47d63c941902
clearing /exports and /changes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
404
diff
changeset
|
127 RestToolbox.DoDelete('%s/exports' % URL) |
47d63c941902
clearing /exports and /changes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
404
diff
changeset
|
128 |
404 | 129 end = time.time() |
1184 | 130 print('The packet of %d instances has been sent in %d seconds' % (len(instances), end - start)) |
404 | 131 |
132 | |
133 # | |
134 # Thread to display the progress | |
135 # | |
136 | |
137 def PrintProgress(queue): | |
138 while True: | |
1184 | 139 print('Current queue size: %d' % (queue.qsize())) |
404 | 140 time.sleep(1) |
141 | |
142 | |
143 # | |
144 # Start the various threads | |
145 # | |
146 | |
147 progress = threading.Thread(None, PrintProgress, None, (queue, )) | |
148 progress.daemon = True | |
149 progress.start() | |
150 | |
151 producer = threading.Thread(None, Producer, None, (queue, )) | |
152 producer.daemon = True | |
153 producer.start() | |
154 | |
155 consumer = threading.Thread(None, Consumer, None, (queue, )) | |
156 consumer.daemon = True | |
157 consumer.start() | |
158 | |
159 | |
160 # | |
161 # Active waiting for Ctrl-C | |
162 # | |
163 | |
164 while True: | |
165 time.sleep(0.1) |