Mercurial > hg > orthanc
view OrthancFramework/Sources/TemporaryFile.cpp @ 5137:15109c3f0f7d
added sanity checks in DicomModificationJob + automatically reconstruct resources at the end of a DicomModificationJob
author | Alain Mazy <am@osimis.io> |
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date | Wed, 18 Jan 2023 17:58:51 +0100 |
parents | 43e613a7756b |
children | 0ea402b4d901 |
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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) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeaders.h" #include "TemporaryFile.h" #include "OrthancException.h" #include "SystemToolbox.h" #include "Toolbox.h" #include <boost/filesystem.hpp> #include <boost/lexical_cast.hpp> namespace Orthanc { static std::string CreateTemporaryPath(const char* temporaryDirectory, const char* extension) { boost::filesystem::path dir; if (temporaryDirectory == NULL) { #if BOOST_HAS_FILESYSTEM_V3 == 1 dir = boost::filesystem::temp_directory_path(); #elif defined(__linux__) dir = "/tmp"; #else # error Support your platform here #endif } else { dir = temporaryDirectory; } // We use UUID to create unique path to temporary files const std::string uuid = Toolbox::GenerateUuid(); // New in Orthanc 1.5.8: Prefix the process ID to the name of the // temporary files, in order to locate orphan temporary files that // were left by instances of Orthanc that exited in non-clean way // https://groups.google.com/d/msg/orthanc-users/MSJX53bw6Lw/d3S3lRRLAwAJ std::string filename = "Orthanc-" + boost::lexical_cast<std::string>(SystemToolbox::GetProcessId()) + "-" + uuid; if (extension != NULL) { filename.append(extension); } dir /= filename; return dir.string(); } TemporaryFile::TemporaryFile() : path_(CreateTemporaryPath(NULL, NULL)) { } TemporaryFile::TemporaryFile(const std::string& temporaryDirectory, const std::string& extension) : path_(CreateTemporaryPath(temporaryDirectory.c_str(), extension.c_str())) { } TemporaryFile::~TemporaryFile() { boost::filesystem::remove(path_); } const std::string &TemporaryFile::GetPath() const { return path_; } void TemporaryFile::Write(const std::string& content) { try { SystemToolbox::WriteFile(content, path_); } catch (OrthancException& e) { throw OrthancException(e.GetErrorCode(), "Can't create temporary file \"" + path_ + "\" with " + boost::lexical_cast<std::string>(content.size()) + " bytes: Check you have write access to the " "temporary directory and that it is not full"); } } void TemporaryFile::Read(std::string& content) const { try { SystemToolbox::ReadFile(content, path_); } catch (OrthancException& e) { throw OrthancException(e.GetErrorCode(), "Can't read temporary file \"" + path_ + "\": Another process has corrupted the temporary directory"); } } void TemporaryFile::Touch() { std::string empty; Write(empty); } uint64_t TemporaryFile::GetFileSize() const { return SystemToolbox::GetFileSize(path_); } void TemporaryFile::ReadRange(std::string& content, uint64_t start, uint64_t end, bool throwIfOverflow) const { SystemToolbox::ReadFileRange(content, path_, start, end, throwIfOverflow); } }