Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GenericOracleRunner.cpp @ 1098:17660df24c36 broker
simplification of IOracleRunner
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 25 Oct 2019 13:01:24 +0200 |
| parents | e6d2ff8f1ab4 |
| children | 98cdfe5768a4 |
| rev | line source |
|---|---|
| 1077 | 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 "GenericOracleRunner.h" | |
| 23 | |
| 24 #include "CustomOracleCommand.h" | |
| 25 #include "GetOrthancImageCommand.h" | |
| 26 #include "GetOrthancWebViewerJpegCommand.h" | |
| 27 #include "HttpCommand.h" | |
| 28 #include "OracleCommandExceptionMessage.h" | |
| 29 #include "OrthancRestApiCommand.h" | |
| 30 | |
| 31 #include <Core/Compression/GzipCompressor.h> | |
| 32 #include <Core/HttpClient.h> | |
| 33 #include <Core/OrthancException.h> | |
| 34 #include <Core/Toolbox.h> | |
| 35 | |
| 36 namespace OrthancStone | |
| 37 { | |
| 38 static void CopyHttpHeaders(Orthanc::HttpClient& client, | |
| 39 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 40 { | |
| 41 for (Orthanc::HttpClient::HttpHeaders::const_iterator | |
| 42 it = headers.begin(); it != headers.end(); it++ ) | |
| 43 { | |
| 44 client.AddHeader(it->first, it->second); | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 | |
| 49 static void DecodeAnswer(std::string& answer, | |
| 50 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 51 { | |
| 52 Orthanc::HttpCompression contentEncoding = Orthanc::HttpCompression_None; | |
| 53 | |
| 54 for (Orthanc::HttpClient::HttpHeaders::const_iterator it = headers.begin(); | |
| 55 it != headers.end(); ++it) | |
| 56 { | |
| 57 std::string s; | |
| 58 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
| 59 | |
| 60 if (s == "content-encoding") | |
| 61 { | |
| 62 if (it->second == "gzip") | |
| 63 { | |
| 64 contentEncoding = Orthanc::HttpCompression_Gzip; | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
| 69 "Unsupported HTTP Content-Encoding: " + it->second); | |
| 70 } | |
| 71 | |
| 72 break; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 if (contentEncoding == Orthanc::HttpCompression_Gzip) | |
| 77 { | |
| 78 std::string compressed; | |
| 79 answer.swap(compressed); | |
| 80 | |
| 81 Orthanc::GzipCompressor compressor; | |
| 82 compressor.Uncompress(answer, compressed.c_str(), compressed.size()); | |
| 83 | |
| 84 LOG(INFO) << "Uncompressing gzip Encoding: from " << compressed.size() | |
| 85 << " to " << answer.size() << " bytes"; | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 | |
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parents:
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90 static IMessage* Execute(const HttpCommand& command) |
| 1077 | 91 { |
| 92 Orthanc::HttpClient client; | |
| 93 client.SetUrl(command.GetUrl()); | |
| 94 client.SetMethod(command.GetMethod()); | |
| 95 client.SetTimeout(command.GetTimeout()); | |
| 96 | |
| 97 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 98 | |
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99 if (command.HasCredentials()) |
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100 { |
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101 client.SetCredentials(command.GetUsername().c_str(), command.GetPassword().c_str()); |
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102 } |
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103 |
| 1077 | 104 if (command.GetMethod() == Orthanc::HttpMethod_Post || |
| 105 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 106 { | |
| 107 client.SetBody(command.GetBody()); | |
| 108 } | |
| 109 | |
| 110 std::string answer; | |
| 111 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 112 client.ApplyAndThrowException(answer, answerHeaders); | |
| 113 | |
| 114 DecodeAnswer(answer, answerHeaders); | |
| 115 | |
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116 return new HttpCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 117 } |
| 118 | |
| 119 | |
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120 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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parents:
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121 const OrthancRestApiCommand& command) |
| 1077 | 122 { |
| 123 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 124 client.SetMethod(command.GetMethod()); | |
| 125 client.SetTimeout(command.GetTimeout()); | |
| 126 | |
| 127 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 128 | |
| 129 if (command.GetMethod() == Orthanc::HttpMethod_Post || | |
| 130 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 131 { | |
| 132 client.SetBody(command.GetBody()); | |
| 133 } | |
| 134 | |
| 135 std::string answer; | |
| 136 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 137 client.ApplyAndThrowException(answer, answerHeaders); | |
| 138 | |
| 139 DecodeAnswer(answer, answerHeaders); | |
| 140 | |
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simplification of IOracleRunner
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parents:
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diff
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141 return new OrthancRestApiCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 142 } |
| 143 | |
| 144 | |
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simplification of IOracleRunner
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parents:
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diff
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145 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
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146 const GetOrthancImageCommand& command) |
| 1077 | 147 { |
| 148 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 149 client.SetTimeout(command.GetTimeout()); | |
| 150 | |
| 151 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 152 | |
| 153 std::string answer; | |
| 154 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 155 client.ApplyAndThrowException(answer, answerHeaders); | |
| 156 | |
| 157 DecodeAnswer(answer, answerHeaders); | |
| 158 | |
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parents:
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159 return command.ProcessHttpAnswer(answer, answerHeaders); |
| 1077 | 160 } |
| 161 | |
| 162 | |
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simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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163 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
164 const GetOrthancWebViewerJpegCommand& command) |
| 1077 | 165 { |
| 166 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 167 client.SetTimeout(command.GetTimeout()); | |
| 168 | |
| 169 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 170 | |
| 171 std::string answer; | |
| 172 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 173 client.ApplyAndThrowException(answer, answerHeaders); | |
| 174 | |
| 175 DecodeAnswer(answer, answerHeaders); | |
| 176 | |
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parents:
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diff
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177 return command.ProcessHttpAnswer(answer); |
| 1077 | 178 } |
| 179 | |
| 180 | |
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parents:
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181 IMessage* GenericOracleRunner::Run(IOracleCommand& command) |
| 1077 | 182 { |
| 183 try | |
| 184 { | |
| 185 switch (command.GetType()) | |
| 186 { | |
| 187 case IOracleCommand::Type_Sleep: | |
| 188 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType, | |
| 189 "Sleep command cannot be executed by the runner"); | |
| 190 | |
| 191 case IOracleCommand::Type_Http: | |
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parents:
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diff
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192 return Execute(dynamic_cast<const HttpCommand&>(command)); |
| 1077 | 193 |
| 194 case IOracleCommand::Type_OrthancRestApi: | |
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simplification of IOracleRunner
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parents:
1079
diff
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195 return Execute(orthanc_, dynamic_cast<const OrthancRestApiCommand&>(command)); |
| 1077 | 196 |
| 197 case IOracleCommand::Type_GetOrthancImage: | |
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simplification of IOracleRunner
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parents:
1079
diff
changeset
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198 return Execute(orthanc_, dynamic_cast<const GetOrthancImageCommand&>(command)); |
| 1077 | 199 |
| 200 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
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simplification of IOracleRunner
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parents:
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diff
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201 return Execute(orthanc_, dynamic_cast<const GetOrthancWebViewerJpegCommand&>(command)); |
| 1077 | 202 |
| 203 case IOracleCommand::Type_Custom: | |
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simplification of IOracleRunner
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parents:
1079
diff
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204 return dynamic_cast<CustomOracleCommand&>(command).Execute(*this); |
| 1077 | 205 |
| 206 default: | |
| 207 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 208 } | |
| 209 } | |
| 210 catch (Orthanc::OrthancException& e) | |
| 211 { | |
| 212 LOG(ERROR) << "Exception within the oracle: " << e.What(); | |
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213 return new OracleCommandExceptionMessage(command, e); |
| 1077 | 214 } |
| 215 catch (...) | |
| 216 { | |
| 217 LOG(ERROR) << "Threaded exception within the oracle"; | |
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simplification of IOracleRunner
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parents:
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diff
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218 return new OracleCommandExceptionMessage(command, Orthanc::ErrorCode_InternalError); |
| 1077 | 219 } |
| 220 } | |
| 221 } |