Mercurial > hg > orthanc
view Core/FileStorage/CompressedFileStorageAccessor.cpp @ 1490:596927722403
support of --logdir by the internal logger
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 04 Aug 2015 14:04:48 +0200 |
parents | f967bdf8534e |
children | 52dc56bcec7d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, 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. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * 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 "../PrecompiledHeaders.h" #include "CompressedFileStorageAccessor.h" #include "../HttpServer/BufferHttpSender.h" #include "../Logging.h" #include "../OrthancException.h" #include "../Uuid.h" #include "FileStorageAccessor.h" #include <memory> namespace Orthanc { FileInfo CompressedFileStorageAccessor::WriteInternal(const void* data, size_t size, FileContentType type) { std::string uuid = Toolbox::GenerateUuid(); std::string md5; if (storeMD5_) { Toolbox::ComputeMD5(md5, data, size); } switch (compressionType_) { case CompressionType_None: { GetStorageArea().Create(uuid.c_str(), data, size, type); return FileInfo(uuid, type, size, md5); } case CompressionType_Zlib: { std::string compressed; zlib_.Compress(compressed, data, size); std::string compressedMD5; if (storeMD5_) { Toolbox::ComputeMD5(compressedMD5, compressed); } if (compressed.size() > 0) { GetStorageArea().Create(uuid.c_str(), &compressed[0], compressed.size(), type); } else { GetStorageArea().Create(uuid.c_str(), NULL, 0, type); } return FileInfo(uuid, type, size, md5, CompressionType_Zlib, compressed.size(), compressedMD5); } default: throw OrthancException(ErrorCode_NotImplemented); } } CompressedFileStorageAccessor::CompressedFileStorageAccessor() : storage_(NULL), compressionType_(CompressionType_None) { } CompressedFileStorageAccessor::CompressedFileStorageAccessor(IStorageArea& storage) : storage_(&storage), compressionType_(CompressionType_None) { } IStorageArea& CompressedFileStorageAccessor::GetStorageArea() { if (storage_ == NULL) { LOG(ERROR) << "No storage area is currently available"; throw OrthancException(ErrorCode_BadSequenceOfCalls); } return *storage_; } void CompressedFileStorageAccessor::Read(std::string& content, const std::string& uuid, FileContentType type) { switch (compressionType_) { case CompressionType_None: GetStorageArea().Read(content, uuid, type); break; case CompressionType_Zlib: { std::string compressed; GetStorageArea().Read(compressed, uuid, type); zlib_.Uncompress(content, compressed); break; } default: throw OrthancException(ErrorCode_NotImplemented); } } HttpFileSender* CompressedFileStorageAccessor::ConstructHttpFileSender(const std::string& uuid, FileContentType type) { switch (compressionType_) { case CompressionType_None: { FileStorageAccessor uncompressedAccessor(GetStorageArea()); return uncompressedAccessor.ConstructHttpFileSender(uuid, type); } case CompressionType_Zlib: { std::string compressed; GetStorageArea().Read(compressed, uuid, type); std::auto_ptr<BufferHttpSender> sender(new BufferHttpSender); zlib_.Uncompress(sender->GetBuffer(), compressed); return sender.release(); } default: throw OrthancException(ErrorCode_NotImplemented); } } void CompressedFileStorageAccessor::Remove(const std::string& uuid, FileContentType type) { GetStorageArea().Remove(uuid, type); } }