Mercurial > hg > orthanc
view Resources/Samples/Tools/RecoverCompressedFile.cpp @ 3841:be7df7fe3d80
avoid one memcpy of the DICOM buffer on "POST /instances"
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 16 Apr 2020 16:58:37 +0200 |
parents | 94f4a18a79cc |
children |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "../../../Core/Compression/ZlibCompressor.h" #include "../../../Core/SystemToolbox.h" #include "../../../Core/OrthancException.h" #include <stdio.h> int main(int argc, const char* argv[]) { if (argc != 2 && argc != 3) { fprintf(stderr, "Maintenance tool to recover a DICOM file that was compressed by Orthanc.\n\n"); fprintf(stderr, "Usage: %s <input> [output]\n", argv[0]); fprintf(stderr, "If \"output\" is not given, the data will be output to stdout\n"); return -1; } try { fprintf(stderr, "Reading the file into memory...\n"); fflush(stderr); std::string content; Orthanc::SystemToolbox::ReadFile(content, argv[1]); fprintf(stderr, "Decompressing the content of the file...\n"); fflush(stderr); Orthanc::ZlibCompressor compressor; std::string uncompressed; compressor.Uncompress(uncompressed, content.empty() ? NULL : content.c_str(), content.size()); fprintf(stderr, "Writing the uncompressed data...\n"); fflush(stderr); if (argc == 3) { Orthanc::SystemToolbox::WriteFile(uncompressed, argv[2]); } else { if (uncompressed.size() > 0) { fwrite(&uncompressed[0], uncompressed.size(), 1, stdout); } } fprintf(stderr, "Done!\n"); } catch (Orthanc::OrthancException& e) { fprintf(stderr, "Error: %s\n", e.What()); return -1; } return 0; }