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comparison OrthancServer/OrthancRestApi2.cpp @ 210:96b7918a6a18

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start of the refactoring of the Orthanc REST API
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Nov 2012 18:03:44 +0100
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children b7aea293b965
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209:9960642f0f45 210:96b7918a6a18
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
4 * 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 "OrthancRestApi2.h"
34
35 #include "OrthancInitialization.h"
36 #include "FromDcmtkBridge.h"
37 #include "../Core/Uuid.h"
38 #include "../Core/HttpServer/FilesystemHttpSender.h"
39
40 #include <dcmtk/dcmdata/dcistrmb.h>
41 #include <dcmtk/dcmdata/dcfilefo.h>
42 #include <boost/lexical_cast.hpp>
43
44
45 #define RETRIEVE_CONTEXT(call) \
46 OrthancRestApi2& context = dynamic_cast<OrthancRestApi2&>(call.GetContext())
47
48
49 namespace Orthanc
50 {
51 // System information -------------------------------------------------------
52
53 static void GetSystemInformation(RestApi::GetCall& call)
54 {
55 RETRIEVE_CONTEXT(call);
56
57 Json::Value result = Json::objectValue;
58 result["Version"] = ORTHANC_VERSION;
59 result["Name"] = GetGlobalStringParameter("Name", "");
60 result["TotalCompressedSize"] = boost::lexical_cast<std::string>(context.GetIndex().GetTotalCompressedSize());
61 result["TotalUncompressedSize"] = boost::lexical_cast<std::string>(context.GetIndex().GetTotalUncompressedSize());
62 call.GetOutput().AnswerJson(result);
63 }
64
65
66 // Changes API --------------------------------------------------------------
67
68 static void GetChanges(RestApi::GetCall& call)
69 {
70 RETRIEVE_CONTEXT(call);
71
72 static const unsigned int MAX_RESULTS = 100;
73 ServerIndex& index = context.GetIndex();
74
75 //std::string filter = GetArgument(getArguments, "filter", "");
76 int64_t since;
77 unsigned int limit;
78 try
79 {
80 since = boost::lexical_cast<int64_t>(call.GetArgument("since", "0"));
81 limit = boost::lexical_cast<unsigned int>(call.GetArgument("limit", "0"));
82 }
83 catch (boost::bad_lexical_cast)
84 {
85 return;
86 }
87
88 if (limit == 0 || limit > MAX_RESULTS)
89 {
90 limit = MAX_RESULTS;
91 }
92
93 Json::Value result;
94 if (index.GetChanges(result, since, limit))
95 {
96 call.GetOutput().AnswerJson(result);
97 }
98 }
99
100
101
102
103 // DICOM bridge -------------------------------------------------------------
104
105 static void ListModalities(RestApi::GetCall& call)
106 {
107 RETRIEVE_CONTEXT(call);
108
109 Json::Value result = Json::arrayValue;
110
111 for (OrthancRestApi2::Modalities::const_iterator
112 it = context.GetModalities().begin();
113 it != context.GetModalities().end(); it++)
114 {
115 result.append(*it);
116 }
117
118 call.GetOutput().AnswerJson(result);
119 }
120
121
122 OrthancRestApi2::OrthancRestApi2(ServerIndex& index,
123 const std::string& path) :
124 index_(index),
125 storage_(path)
126 {
127 GetListOfDicomModalities(modalities_);
128
129 Register("/system", GetSystemInformation);
130 Register("/changes", GetChanges);
131 Register("/modalities", ListModalities);
132 }
133 }