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3818
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34
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35
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36 /*=========================================================================
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37
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38 This file is based on portions of the following project:
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39
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40 Program: DCMTK 3.6.0
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41 Module: http://dicom.offis.de/dcmtk.php.en
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42
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43 Copyright (C) 1994-2011, OFFIS e.V.
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44 All rights reserved.
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45
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46 This software and supporting documentation were developed by
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47
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48 OFFIS e.V.
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49 R&D Division Health
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50 Escherweg 2
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51 26121 Oldenburg, Germany
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52
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53 Redistribution and use in source and binary forms, with or without
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54 modification, are permitted provided that the following conditions
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55 are met:
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56
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57 - Redistributions of source code must retain the above copyright
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58 notice, this list of conditions and the following disclaimer.
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59
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60 - Redistributions in binary form must reproduce the above copyright
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61 notice, this list of conditions and the following disclaimer in the
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62 documentation and/or other materials provided with the distribution.
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63
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64 - Neither the name of OFFIS nor the names of its contributors may be
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65 used to endorse or promote products derived from this software
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66 without specific prior written permission.
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67
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68 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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69 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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70 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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71 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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72 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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73 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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74 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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75 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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76 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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77 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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78 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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79
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80 =========================================================================*/
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81
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82
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83 #include "../../PrecompiledHeaders.h"
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84 #include <dcmtk/dcmnet/diutil.h>
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85 #include <dcmtk/dcmdata/dcdeftag.h>
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86 #include "GetScp.h"
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87
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88 #include <memory>
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89
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90 #include "../../DicomParsing/FromDcmtkBridge.h"
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91 #include "../../DicomParsing/ToDcmtkBridge.h"
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92 #include "../../Logging.h"
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93 #include "../../OrthancException.h"
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94
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95 #include <boost/lexical_cast.hpp>
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96
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97 /**
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98 * Macro specifying whether to apply the patch suggested in issue 66:
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99 * "Orthanc responses C-GET with zero Get Originator Message ID"
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100 * https://bitbucket.org/sjodogne/orthanc/issues/66/
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101 **/
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102
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103 namespace Orthanc
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104 {
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105 namespace
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106 {
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107 struct GetScpData
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108 {
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109 // Handle returns void.
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110 IGetRequestHandler* handler_;
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111 DcmDataset* lastRequest_;
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112 T_ASC_Association * assoc_;
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113
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114 std::string remoteIp_;
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115 std::string remoteAet_;
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116 std::string calledAet_;
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117
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118 GetScpData()
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119 {
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120 handler_ = NULL;
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121 lastRequest_ = NULL;
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122 assoc_ = NULL;
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123 };
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124 };
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125
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126 void BuildFailedInstanceList(const char* failedUIDs, DcmDataset ** rspIds)
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127 {
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128 OFBool ok;
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129
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130 if (failedUIDs != NULL)
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131 {
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132 *rspIds = new DcmDataset();
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133 ok = DU_putStringDOElement(*rspIds, DCM_FailedSOPInstanceUIDList, failedUIDs);
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134 if (!ok)
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135 {
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136 LOG (ERROR) << "getSCP: failed to build DCM_FailedSOPInstanceUIDList";
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137 }
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138
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139 }
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140 }
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141
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142 void GetScpCallback(
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143 /* in */
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144 void *callbackData,
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145 OFBool cancelled,
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146 T_DIMSE_C_GetRQ *request,
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147 DcmDataset *requestIdentifiers,
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148 int responseCount,
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149 /* out */
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150 T_DIMSE_C_GetRSP *response,
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151 DcmDataset **responseIdentifiers,
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152 DcmDataset **statusDetail)
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153 {
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154 bzero(response, sizeof(T_DIMSE_C_GetRSP));
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155 *statusDetail = NULL;
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156 *responseIdentifiers = NULL;
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157
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158 GetScpData& data = *reinterpret_cast<GetScpData*>(callbackData);
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159 if (data.lastRequest_ == NULL)
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160 {
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161 DicomMap input;
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162 FromDcmtkBridge::ExtractDicomSummary(input, *requestIdentifiers);
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163
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164 try
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165 {
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166 if(!data.handler_->Handle(input, data.remoteIp_, data.remoteAet_,
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167 data.calledAet_))
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168 {
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169 response->DimseStatus = STATUS_GET_Failed_UnableToProcess;
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170 return;
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171 }
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172 }
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173 catch (OrthancException& e)
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174 {
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175 // Internal error!
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176 LOG(ERROR) << "IGetRequestHandler Failed: " << e.What();
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177 response->DimseStatus = STATUS_GET_Failed_UnableToProcess;
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178 return;
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179 }
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180
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181 data.lastRequest_ = requestIdentifiers;
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182 }
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183 else if (data.lastRequest_ != requestIdentifiers)
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184 {
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185 // Internal error!
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186 LOG(ERROR) << "IGetRequestHandler Failed: Internal error lastRequestIdentifier";
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187 response->DimseStatus = STATUS_GET_Failed_UnableToProcess;
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188 return;
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189 }
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190
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191 if (data.handler_->nRemaining() == 0)
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192 {
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193 response->DimseStatus = STATUS_Success;
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194 }
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195 else
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196 {
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197 IGetRequestHandler::Status status;
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198
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199 try
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200 {
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201 status = data.handler_->DoNext(data.assoc_);
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202 }
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203 catch (OrthancException& e)
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204 {
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205 // Internal error!
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206 LOG(ERROR) << "IGetRequestHandler Failed: " << e.What();
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207 response->DimseStatus = STATUS_GET_Failed_UnableToProcess;
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208 return;
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209 }
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210
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211 if (status == STATUS_Success)
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212 {
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213 if (responseCount < static_cast<int>(data.handler_->nRemaining()))
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214 {
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215 response->DimseStatus = STATUS_Pending;
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216 }
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217 else
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218 {
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219 response->DimseStatus = STATUS_Success;
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220 }
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221 }
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222 else
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223 {
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224 response->DimseStatus = STATUS_GET_Failed_UnableToProcess;
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225
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226 if (data.handler_->nFailed() > 0 || data.handler_->warningCount() > 0)
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227 {
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228 response->DimseStatus = STATUS_GET_Warning_SubOperationsCompleteOneOrMoreFailures;
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229 }
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230 /*
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231 * if all the sub-operations failed then we need to generate a failed or refused status.
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232 * cf. DICOM part 4, C.4.3.3.1
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233 * we choose to generate a "Refused - Out of Resources - Unable to perform suboperations" status.
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234 */
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235 if ((data.handler_->nFailed() > 0) && ((data.handler_->nCompleted() + data.handler_->warningCount()) == 0))
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236 {
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237 response->DimseStatus = STATUS_GET_Refused_OutOfResourcesSubOperations;
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238 }
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239
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240 BuildFailedInstanceList(data.handler_->failedUids(), responseIdentifiers);
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241 }
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242 }
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243
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244 response->NumberOfRemainingSubOperations = data.handler_->nRemaining();
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245 response->NumberOfCompletedSubOperations = data.handler_->nCompleted();
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246 response->NumberOfFailedSubOperations = data.handler_->nFailed();
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247 response->NumberOfWarningSubOperations = data.handler_->warningCount();
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248 }
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249
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250 }
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251
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252 OFCondition Internals::getScp(T_ASC_Association * assoc,
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253 T_DIMSE_Message * msg,
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254 T_ASC_PresentationContextID presID,
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255 IGetRequestHandler& handler,
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256 std::string remoteIp,
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257 std::string remoteAet,
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258 std::string calledAet)
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259 {
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260
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261 GetScpData data;
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262 data.lastRequest_ = NULL;
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263 data.handler_ = &handler;
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264 data.assoc_ = assoc;
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265 data.remoteIp_ = remoteIp;
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266 data.remoteAet_ = remoteAet;
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267 data.calledAet_ = calledAet;
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268
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269
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270 OFCondition cond = DIMSE_getProvider(assoc, presID, &msg->msg.CGetRQ,
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271 GetScpCallback, &data,
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272 /*opt_blockMode*/ DIMSE_BLOCKING,
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273 /*opt_dimse_timeout*/ 0);
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274
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275 // if some error occured, dump corresponding information and remove the outfile if necessary
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276 if (cond.bad())
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277 {
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278 OFString temp_str;
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279 LOG(ERROR) << "Get SCP Failed: " << cond.text();
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280 }
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281
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282 return cond;
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283 }
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284 }
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