Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Platforms/WebAssembly/WebAssemblyOracle.h @ 1899:917500c46fe0
moved the Platform folder from the Applications folder to the Stone library itself
author | Alain Mazy <am@osimis.io> |
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date | Sat, 29 Jan 2022 12:47:32 +0100 |
parents | |
children | 184b0aeae1af |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Platforms/WebAssembly/WebAssemblyOracle.h Sat Jan 29 12:47:32 2022 +0100 @@ -0,0 +1,156 @@ +/** + * Stone of Orthanc + * 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/>. + **/ + + +#pragma once + +#include "../../../OrthancStone/Sources/OrthancStone.h" + +#if !defined(ORTHANC_ENABLE_WASM) +# error The macro ORTHANC_ENABLE_WASM must be defined +#endif + +#if ORTHANC_ENABLE_WASM != 1 +# error This file can only compiled for WebAssembly +#endif + +#include "../../../OrthancStone/Sources/Messages/IObservable.h" +#include "../../../OrthancStone/Sources/Messages/IMessageEmitter.h" +#include "../../../OrthancStone/Sources/Oracle/IOracle.h" + +#if ORTHANC_ENABLE_DCMTK == 1 +# include "../../../OrthancStone/Sources/Toolbox/ParsedDicomCache.h" +#endif + +#include <Compatibility.h> // For ORTHANC_OVERRIDE +#include <WebServiceParameters.h> + +#include <Enumerations.h> + +namespace OrthancStone +{ + class GetOrthancImageCommand; + class GetOrthancWebViewerJpegCommand; + class HttpCommand; + class OrthancRestApiCommand; + class ParseDicomFromWadoCommand; + + class WebAssemblyOracle : + public IOracle, + public IMessageEmitter + { + private: + typedef std::map<std::string, std::string> HttpHeaders; + + class TimeoutContext; + class FetchContext; + class FetchCommand; + + void SetOrthancUrl(FetchCommand& command, + const std::string& uri) const; + + void Execute(boost::weak_ptr<IObserver> receiver, + HttpCommand* command); + + void Execute(boost::weak_ptr<IObserver> receiver, + OrthancRestApiCommand* command); + + void Execute(boost::weak_ptr<IObserver> receiver, + GetOrthancImageCommand* command); + + void Execute(boost::weak_ptr<IObserver> receiver, + GetOrthancWebViewerJpegCommand* command); + + void Execute(boost::weak_ptr<IObserver> receiver, + ParseDicomFromWadoCommand* command); + + IObservable oracleObservable_; + bool isLocalOrthanc_; + std::string localOrthancRoot_; + Orthanc::WebServiceParameters remoteOrthanc_; + +#if ORTHANC_ENABLE_DCMTK == 1 + std::unique_ptr<ParsedDicomCache> dicomCache_; +#endif + + void ProcessFetchResult(boost::weak_ptr<IObserver>& receiver, + const std::string& answer, + const HttpHeaders& headers, + const IOracleCommand& command); + + public: + WebAssemblyOracle() : + isLocalOrthanc_(false) + { + } + + virtual void EmitMessage(boost::weak_ptr<IObserver> observer, + const IMessage& message) ORTHANC_OVERRIDE + { + oracleObservable_.EmitMessage(observer, message); + } + + virtual bool Schedule(boost::shared_ptr<IObserver> receiver, + IOracleCommand* command) ORTHANC_OVERRIDE; + + IObservable& GetOracleObservable() + { + return oracleObservable_; + } + + void SetLocalOrthanc(const std::string& root) + { + isLocalOrthanc_ = true; + localOrthancRoot_ = root; + } + + void SetRemoteOrthanc(const Orthanc::WebServiceParameters& orthanc) + { + isLocalOrthanc_ = false; + remoteOrthanc_ = orthanc; + } + + void SetDicomCacheSize(size_t size); + + class CachedInstanceAccessor : public boost::noncopyable + { + private: +#if ORTHANC_ENABLE_DCMTK == 1 + std::unique_ptr<ParsedDicomCache::Reader> reader_; +#endif + + public: + CachedInstanceAccessor(WebAssemblyOracle& oracle, + const std::string& sopInstanceUid); + + bool IsValid() const; + +#if ORTHANC_ENABLE_DCMTK == 1 + const Orthanc::ParsedDicomFile& GetDicom() const; +#endif + + size_t GetFileSize() const; + + bool HasPixelData() const; + }; + }; +}