Mercurial > hg > orthanc
annotate OrthancServer/Internals/StoreScp.cpp @ 136:fe180eae201d
openssl exception
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 09 Oct 2012 18:21:01 +0200 |
| parents | f2ecbe7d50b8 |
| children | 0186ac92810c |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 0 | 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. | |
| 136 | 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. | |
| 0 | 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 "StoreScp.h" | |
| 34 | |
| 35 #include "../FromDcmtkBridge.h" | |
| 36 #include "../ToDcmtkBridge.h" | |
| 62 | 37 #include "../../Core/OrthancException.h" |
| 0 | 38 |
| 39 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 40 #include <dcmtk/dcmdata/dcmetinf.h> | |
| 41 #include <dcmtk/dcmdata/dcostrmb.h> | |
| 42 #include <dcmtk/dcmdata/dcdeftag.h> | |
| 43 #include <dcmtk/dcmnet/diutil.h> | |
|
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44 #include <glog/logging.h> |
| 0 | 45 |
| 46 | |
| 62 | 47 namespace Orthanc |
| 0 | 48 { |
| 49 namespace | |
| 50 { | |
| 51 struct StoreCallbackData | |
| 52 { | |
| 53 IStoreRequestHandler* handler; | |
| 54 const char* distantAET; | |
| 55 const char* modality; | |
| 56 const char* affectedSOPInstanceUID; | |
| 57 uint32_t messageID; | |
| 58 }; | |
| 59 | |
| 60 | |
| 61 static int SaveToMemoryBuffer(DcmDataset* dataSet, | |
| 62 std::vector<uint8_t>& buffer) | |
| 63 { | |
| 64 // Determine the transfer syntax which shall be used to write the | |
| 65 // information to the file. We always switch to the Little Endian | |
| 66 // syntax, with explicit length. | |
| 67 | |
| 68 // http://support.dcmtk.org/docs/dcxfer_8h-source.html | |
| 69 E_TransferSyntax xfer = EXS_LittleEndianExplicit; | |
| 70 E_EncodingType encodingType = /*opt_sequenceType*/ EET_ExplicitLength; | |
| 71 | |
| 72 uint32_t s = dataSet->getLength(xfer, encodingType); | |
| 73 | |
| 74 buffer.resize(s); | |
| 75 DcmOutputBufferStream ob(&buffer[0], s); | |
| 76 | |
| 77 dataSet->transferInit(); | |
| 101 | 78 |
|
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79 #if DCMTK_VERSION_NUMBER >= 360 |
| 0 | 80 OFCondition c = dataSet->write(ob, xfer, encodingType, NULL, |
| 81 /*opt_groupLength*/ EGL_recalcGL, | |
| 82 /*opt_paddingType*/ EPD_withoutPadding); | |
|
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83 #else |
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84 OFCondition c = dataSet->write(ob, xfer, encodingType); |
| 101 | 85 #endif |
| 86 | |
| 0 | 87 dataSet->transferEnd(); |
| 88 if (c.good()) | |
| 89 { | |
| 90 return 0; | |
| 91 } | |
| 92 else | |
| 93 { | |
| 94 buffer.clear(); | |
| 95 return -1; | |
| 96 } | |
| 97 | |
| 98 #if 0 | |
| 99 OFCondition cond = cbdata->dcmff->saveFile(fileName.c_str(), xfer, | |
| 100 encodingType, | |
| 101 /*opt_groupLength*/ EGL_recalcGL, | |
| 102 /*opt_paddingType*/ EPD_withoutPadding, | |
| 103 OFstatic_cast(Uint32, /*opt_filepad*/ 0), | |
| 104 OFstatic_cast(Uint32, /*opt_itempad*/ 0), | |
| 105 (opt_useMetaheader) ? EWM_fileformat : EWM_dataset); | |
| 106 #endif | |
| 107 } | |
| 108 | |
| 109 | |
| 110 static void | |
| 111 storeScpCallback( | |
| 112 void *callbackData, | |
| 113 T_DIMSE_StoreProgress *progress, | |
| 114 T_DIMSE_C_StoreRQ *req, | |
| 115 char * /*imageFileName*/, DcmDataset **imageDataSet, | |
| 116 T_DIMSE_C_StoreRSP *rsp, | |
| 117 DcmDataset **statusDetail) | |
| 118 /* | |
| 119 * This function.is used to indicate progress when storescp receives instance data over the | |
| 120 * network. On the final call to this function (identified by progress->state == DIMSE_StoreEnd) | |
| 121 * this function will store the data set which was received over the network to a file. | |
| 122 * Earlier calls to this function will simply cause some information to be dumped to stdout. | |
| 123 * | |
| 124 * Parameters: | |
| 125 * callbackData - [in] data for this callback function | |
| 126 * progress - [in] The state of progress. (identifies if this is the initial or final call | |
| 127 * to this function, or a call in between these two calls. | |
| 128 * req - [in] The original store request message. | |
| 129 * imageFileName - [in] The path to and name of the file the information shall be written to. | |
| 130 * imageDataSet - [in] The data set which shall be stored in the image file | |
| 131 * rsp - [inout] the C-STORE-RSP message (will be sent after the call to this function) | |
| 132 * statusDetail - [inout] This variable can be used to capture detailed information with regard to | |
| 133 * the status information which is captured in the status element (0000,0900). Note | |
| 134 * that this function does specify any such information, the pointer will be set to NULL. | |
| 135 */ | |
| 136 { | |
| 137 StoreCallbackData *cbdata = OFstatic_cast(StoreCallbackData *, callbackData); | |
| 138 | |
| 139 DIC_UI sopClass; | |
| 140 DIC_UI sopInstance; | |
| 141 | |
| 142 // if this is the final call of this function, save the data which was received to a file | |
| 143 // (note that we could also save the image somewhere else, put it in database, etc.) | |
| 144 if (progress->state == DIMSE_StoreEnd) | |
| 145 { | |
| 146 OFString tmpStr; | |
| 147 | |
| 148 // do not send status detail information | |
| 149 *statusDetail = NULL; | |
| 150 | |
| 151 // Concerning the following line: an appropriate status code is already set in the resp structure, | |
| 152 // it need not be success. For example, if the caller has already detected an out of resources problem | |
| 153 // then the status will reflect this. The callback function is still called to allow cleanup. | |
| 154 //rsp->DimseStatus = STATUS_Success; | |
| 155 | |
| 156 // we want to write the received information to a file only if this information | |
| 157 // is present and the options opt_bitPreserving and opt_ignore are not set. | |
| 158 if ((imageDataSet != NULL) && (*imageDataSet != NULL)) | |
| 159 { | |
| 160 DicomMap summary; | |
| 161 Json::Value dicomJson; | |
| 162 std::vector<uint8_t> buffer; | |
| 163 | |
| 164 try | |
| 165 { | |
| 166 FromDcmtkBridge::Convert(summary, **imageDataSet); | |
| 167 FromDcmtkBridge::ToJson(dicomJson, **imageDataSet); | |
| 168 | |
| 169 if (SaveToMemoryBuffer(*imageDataSet, buffer) < 0) | |
| 170 { | |
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171 LOG(ERROR) << "cannot write DICOM file to memory"; |
| 0 | 172 rsp->DimseStatus = STATUS_STORE_Refused_OutOfResources; |
| 173 } | |
| 174 } | |
| 175 catch (...) | |
| 176 { | |
| 177 rsp->DimseStatus = STATUS_STORE_Refused_OutOfResources; | |
| 178 } | |
| 179 | |
| 180 // check the image to make sure it is consistent, i.e. that its sopClass and sopInstance correspond | |
| 181 // to those mentioned in the request. If not, set the status in the response message variable. | |
| 182 if ((rsp->DimseStatus == STATUS_Success)) | |
| 183 { | |
| 184 // which SOP class and SOP instance ? | |
| 185 if (!DU_findSOPClassAndInstanceInDataSet(*imageDataSet, sopClass, sopInstance, /*opt_correctUIDPadding*/ OFFalse)) | |
| 186 { | |
| 101 | 187 //LOG4CPP_ERROR(Internals::GetLogger(), "bad DICOM file: " << fileName); |
| 0 | 188 rsp->DimseStatus = STATUS_STORE_Error_CannotUnderstand; |
| 189 } | |
| 190 else if (strcmp(sopClass, req->AffectedSOPClassUID) != 0) | |
| 191 { | |
| 192 rsp->DimseStatus = STATUS_STORE_Error_DataSetDoesNotMatchSOPClass; | |
| 193 } | |
| 194 else if (strcmp(sopInstance, req->AffectedSOPInstanceUID) != 0) | |
| 195 { | |
| 196 rsp->DimseStatus = STATUS_STORE_Error_DataSetDoesNotMatchSOPClass; | |
| 197 } | |
| 198 else | |
| 199 { | |
| 200 try | |
| 201 { | |
| 202 cbdata->handler->Handle(buffer, summary, dicomJson, cbdata->distantAET); | |
| 203 } | |
| 62 | 204 catch (OrthancException& e) |
| 0 | 205 { |
| 206 rsp->DimseStatus = STATUS_STORE_Refused_OutOfResources; | |
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207 LOG(ERROR) << "Exception while storing DICOM: " << e.What(); |
| 0 | 208 } |
| 209 } | |
| 210 } | |
| 211 } | |
| 212 } | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 /* | |
| 217 * This function processes a DIMSE C-STORE-RQ commmand that was | |
| 218 * received over the network connection. | |
| 219 * | |
| 220 * Parameters: | |
| 221 * assoc - [in] The association (network connection to another DICOM application). | |
| 222 * msg - [in] The DIMSE C-STORE-RQ message that was received. | |
| 223 * presID - [in] The ID of the presentation context which was specified in the PDV which contained | |
| 224 * the DIMSE command. | |
| 225 */ | |
| 226 OFCondition Internals::storeScp(T_ASC_Association * assoc, | |
| 227 T_DIMSE_Message * msg, | |
| 228 T_ASC_PresentationContextID presID, | |
| 229 IStoreRequestHandler& handler) | |
| 230 { | |
| 231 OFCondition cond = EC_Normal; | |
| 232 T_DIMSE_C_StoreRQ *req; | |
| 233 | |
| 234 // assign the actual information of the C-STORE-RQ command to a local variable | |
| 235 req = &msg->msg.CStoreRQ; | |
| 236 | |
| 237 // intialize some variables | |
| 238 StoreCallbackData callbackData; | |
| 239 callbackData.handler = &handler; | |
| 101 | 240 callbackData.modality = dcmSOPClassUIDToModality(req->AffectedSOPClassUID/*, "UNKNOWN"*/); |
| 241 if (callbackData.modality == NULL) | |
| 242 callbackData.modality = "UNKNOWN"; | |
| 243 | |
| 0 | 244 callbackData.affectedSOPInstanceUID = req->AffectedSOPInstanceUID; |
| 245 callbackData.messageID = req->MessageID; | |
| 246 if (assoc && assoc->params) | |
| 247 { | |
| 248 callbackData.distantAET = assoc->params->DULparams.callingAPTitle; | |
| 249 } | |
| 250 else | |
| 251 { | |
| 252 callbackData.distantAET = ""; | |
| 253 } | |
| 254 | |
| 255 DcmFileFormat dcmff; | |
| 256 | |
| 257 // store SourceApplicationEntityTitle in metaheader | |
| 258 if (assoc && assoc->params) | |
| 259 { | |
| 260 const char *aet = assoc->params->DULparams.callingAPTitle; | |
| 261 if (aet) dcmff.getMetaInfo()->putAndInsertString(DCM_SourceApplicationEntityTitle, aet); | |
| 262 } | |
| 263 | |
| 264 // define an address where the information which will be received over the network will be stored | |
| 265 DcmDataset *dset = dcmff.getDataset(); | |
| 266 | |
| 267 cond = DIMSE_storeProvider(assoc, presID, req, NULL, /*opt_useMetaheader*/OFFalse, &dset, | |
| 268 storeScpCallback, &callbackData, | |
| 269 /*opt_blockMode*/ DIMSE_BLOCKING, | |
| 270 /*opt_dimse_timeout*/ 0); | |
| 271 | |
| 272 // if some error occured, dump corresponding information and remove the outfile if necessary | |
| 273 if (cond.bad()) | |
| 274 { | |
| 275 OFString temp_str; | |
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276 LOG(ERROR) << "Store SCP Failed: " << cond.text(); |
| 0 | 277 } |
| 278 | |
| 279 // return return value | |
| 280 return cond; | |
| 281 } | |
| 282 } |