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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "FindScp.h"
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22
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23 #include "../FromDcmtkBridge.h"
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24 #include "../ToDcmtkBridge.h"
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62
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25 #include "../../Core/OrthancException.h"
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0
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26
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27 #include <dcmtk/dcmdata/dcfilefo.h>
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28 #include <dcmtk/dcmdata/dcmetinf.h>
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29 #include <dcmtk/dcmdata/dcostrmb.h>
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30 #include <dcmtk/dcmdata/dcdeftag.h>
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31 #include <dcmtk/dcmnet/diutil.h>
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32
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33
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62
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34 namespace Orthanc
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0
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35 {
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36 namespace Internals
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37 {
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38 extern OFLogger Logger;
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39 }
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40
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41
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42 namespace
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43 {
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44 struct FindScpData
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45 {
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46 IFindRequestHandler* handler_;
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47 DicomMap input_;
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48 DicomFindAnswers answers_;
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49 DcmDataset* lastRequest_;
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50 };
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51
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52
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53 void FindScpCallback(
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54 /* in */
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55 void *callbackData,
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56 OFBool cancelled,
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57 T_DIMSE_C_FindRQ *request,
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58 DcmDataset *requestIdentifiers,
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59 int responseCount,
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60 /* out */
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61 T_DIMSE_C_FindRSP *response,
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62 DcmDataset **responseIdentifiers,
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63 DcmDataset **statusDetail)
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64 {
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65 bzero(response, sizeof(T_DIMSE_C_FindRSP));
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66 *statusDetail = NULL;
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67
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68 FindScpData& data = *(FindScpData*) callbackData;
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69 if (data.lastRequest_ == NULL)
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70 {
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71 FromDcmtkBridge::Convert(data.input_, *requestIdentifiers);
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72
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73 try
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74 {
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75 data.handler_->Handle(data.input_, data.answers_);
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76 }
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62
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77 catch (OrthancException& e)
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78 {
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79 // Internal error!
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80 OFLOG_ERROR(Internals::Logger, "IFindRequestHandler Failed: " << e.What());
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81 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess;
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82 *responseIdentifiers = NULL;
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83 return;
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84 }
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85
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86 data.lastRequest_ = requestIdentifiers;
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87 }
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88 else if (data.lastRequest_ != requestIdentifiers)
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89 {
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90 // Internal error!
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91 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess;
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92 *responseIdentifiers = NULL;
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93 return;
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94 }
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95
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96 if (responseCount <= static_cast<int>(data.answers_.GetSize()))
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97 {
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98 response->DimseStatus = STATUS_Pending;
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99 *responseIdentifiers = ToDcmtkBridge::Convert(data.answers_.GetAnswer(responseCount - 1));
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100 }
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101 else
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102 {
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103 response->DimseStatus = STATUS_Success;
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104 *responseIdentifiers = NULL;
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105 }
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106 }
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107 }
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108
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109
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110 OFCondition Internals::findScp(T_ASC_Association * assoc,
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111 T_DIMSE_Message * msg,
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112 T_ASC_PresentationContextID presID,
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113 IFindRequestHandler& handler)
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114 {
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115 FindScpData data;
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116 data.lastRequest_ = NULL;
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117 data.handler_ = &handler;
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118
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119 OFCondition cond = DIMSE_findProvider(assoc, presID, &msg->msg.CFindRQ,
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120 FindScpCallback, &data,
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121 /*opt_blockMode*/ DIMSE_BLOCKING,
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122 /*opt_dimse_timeout*/ 0);
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123
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124 // if some error occured, dump corresponding information and remove the outfile if necessary
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125 if (cond.bad())
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126 {
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127 OFString temp_str;
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128 OFLOG_ERROR(Internals::Logger, "Find SCP Failed: " << DimseCondition::dump(temp_str, cond));
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129 }
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130
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131 return cond;
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132 }
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133 }
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