107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#include "../PrecompiledHeaders.h"
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#include "FilesystemHttpSender.h"
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#include "../OrthancException.h"
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static const size_t CHUNK_SIZE = 64 * 1024; // Use 64KB chunks
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namespace Orthanc
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{
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void FilesystemHttpSender::Initialize(const boost::filesystem::path& path)
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{
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SetContentFilename(path.filename().string());
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file_.open(path.string().c_str(), std::ifstream::binary);
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if (!file_.is_open())
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{
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throw OrthancException(ErrorCode_InexistentFile);
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}
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file_.seekg(0, file_.end);
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size_ = file_.tellg();
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file_.seekg(0, file_.beg);
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}
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FilesystemHttpSender::FilesystemHttpSender(const std::string& path)
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{
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Initialize(path);
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}
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FilesystemHttpSender::FilesystemHttpSender(const boost::filesystem::path& path)
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{
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Initialize(path);
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}
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FilesystemHttpSender::FilesystemHttpSender(const std::string& path,
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MimeType contentType)
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{
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SetContentType(contentType);
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Initialize(path);
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}
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FilesystemHttpSender::FilesystemHttpSender(const FilesystemStorage& storage,
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const std::string& uuid)
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{
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Initialize(storage.GetPath(uuid));
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}
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uint64_t FilesystemHttpSender::GetContentLength()
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{
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return size_;
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}
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bool FilesystemHttpSender::ReadNextChunk()
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{
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if (chunk_.size() == 0)
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{
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chunk_.resize(CHUNK_SIZE);
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}
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file_.read(&chunk_[0], chunk_.size());
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if ((file_.flags() & std::istream::failbit) ||
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file_.gcount() < 0)
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{
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throw OrthancException(ErrorCode_CorruptedFile);
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}
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chunkSize_ = static_cast<size_t>(file_.gcount());
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return chunkSize_ > 0;
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}
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const char *FilesystemHttpSender::GetChunkContent()
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{
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return chunk_.c_str();
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}
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size_t FilesystemHttpSender::GetChunkSize()
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{
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return chunkSize_;
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}
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}
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