Mercurial > hg > orthanc-stone
diff Framework/Applications/IBasicApplication.cpp @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | ff1e935768e7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Applications/IBasicApplication.cpp Fri Oct 14 15:34:11 2016 +0200 @@ -0,0 +1,284 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 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 "IBasicApplication.h" + +#include "../Orthanc/Core/Logging.h" +#include "../Orthanc/Core/HttpClient.h" +#include "../Messaging/CurlOrthancConnection.h" +#include "Sdl/SdlEngine.h" + +namespace OrthancStone +{ + // Anonymous namespace to avoid clashes against other compilation modules + namespace + { + class LogStatusBar : public IStatusBar + { + public: + virtual void ClearMessage() + { + } + + virtual void SetMessage(const std::string& message) + { + LOG(WARNING) << message; + } + }; + } + + +#if ORTHANC_ENABLE_SDL == 1 + static void DeclareSdlCommandLineOptions(boost::program_options::options_description& options) + { + // Declare the supported parameters + boost::program_options::options_description generic("Generic options"); + generic.add_options() + ("help", "Display this help and exit") + ("verbose", "Be verbose in logs") + ("orthanc", boost::program_options::value<std::string>()->default_value("http://localhost:8042/"), + "URL to the Orthanc server") + ("username", "Username for the Orthanc server") + ("password", "Password for the Orthanc server") + ("https-verify", boost::program_options::value<bool>()->default_value(true), "Check HTTPS certificates") + ; + + options.add(generic); + + boost::program_options::options_description sdl("SDL options"); + sdl.add_options() + ("width", boost::program_options::value<int>()->default_value(1024), "Initial width of the SDL window") + ("height", boost::program_options::value<int>()->default_value(768), "Initial height of the SDL window") + ("opengl", boost::program_options::value<bool>()->default_value(true), "Enable OpenGL in SDL") + ; + + options.add(sdl); + } + + + int IBasicApplication::ExecuteWithSdl(IBasicApplication& application, + int argc, + char* argv[]) + { + /****************************************************************** + * Initialize all the subcomponents of Orthanc Stone + ******************************************************************/ + + Orthanc::Logging::Initialize(); + Orthanc::HttpClient::InitializeOpenSsl(); + Orthanc::HttpClient::GlobalInitialize(); + SdlEngine::GlobalInitialize(); + + + /****************************************************************** + * Declare and parse the command-line options of the application + ******************************************************************/ + + boost::program_options::options_description options; + DeclareSdlCommandLineOptions(options); + application.DeclareCommandLineOptions(options); + + boost::program_options::variables_map parameters; + bool error = false; + + try + { + boost::program_options::store(boost::program_options::command_line_parser(argc, argv). + options(options).run(), parameters); + boost::program_options::notify(parameters); + } + catch (boost::program_options::error& e) + { + LOG(ERROR) << "Error while parsing the command-line arguments: " << e.what(); + error = true; + } + + + /****************************************************************** + * Configure the application with the command-line parameters + ******************************************************************/ + + if (error || parameters.count("help")) + { + std::cout << std::endl + << "Usage: " << argv[0] << " [OPTION]..." + << std::endl + << "Orthanc, lightweight, RESTful DICOM server for healthcare and medical research." + << std::endl << std::endl + << "Demonstration application of Orthanc Stone using SDL." + << std::endl; + + std::cout << options << "\n"; + return error ? -1 : 0; + } + + if (parameters.count("https-verify") && + !parameters["https-verify"].as<bool>()) + { + LOG(WARNING) << "Turning off verification of HTTPS certificates (unsafe)"; + Orthanc::HttpClient::ConfigureSsl(false, ""); + } + + if (parameters.count("verbose")) + { + Orthanc::Logging::EnableInfoLevel(true); + } + + if (!parameters.count("width") || + !parameters.count("height") || + !parameters.count("opengl")) + { + LOG(ERROR) << "Parameter \"width\", \"height\" or \"opengl\" is missing"; + return -1; + } + + int w = parameters["width"].as<int>(); + int h = parameters["height"].as<int>(); + if (w <= 0 || h <= 0) + { + LOG(ERROR) << "Parameters \"width\" and \"height\" must be positive"; + return -1; + } + + unsigned int width = static_cast<unsigned int>(w); + unsigned int height = static_cast<unsigned int>(h); + LOG(WARNING) << "Initial display size: " << width << "x" << height; + + bool opengl = parameters["opengl"].as<bool>(); + if (opengl) + { + LOG(WARNING) << "OpenGL is enabled, disable it with option \"--opengl=off\" if the application crashes"; + } + else + { + LOG(WARNING) << "OpenGL is disabled, enable it with option \"--opengl=on\" for best performance"; + } + + bool success = true; + try + { + /**************************************************************** + * Initialize the connection to the Orthanc server + ****************************************************************/ + + Orthanc::WebServiceParameters webService; + + if (parameters.count("orthanc")) + { + webService.SetUrl(parameters["orthanc"].as<std::string>()); + } + + if (parameters.count("username")) + { + webService.SetUsername(parameters["username"].as<std::string>()); + } + + if (parameters.count("password")) + { + webService.SetPassword(parameters["password"].as<std::string>()); + } + + LOG(WARNING) << "URL to the Orthanc REST API: " << webService.GetUrl(); + CurlOrthancConnection orthanc(webService); + + if (!MessagingToolbox::CheckOrthancVersion(orthanc)) + { + LOG(ERROR) << "Your version of Orthanc is incompatible with Orthanc Stone, please upgrade"; + throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); + } + + + /**************************************************************** + * Initialize the application + ****************************************************************/ + + LogStatusBar statusBar; + BasicApplicationContext context(orthanc); + + application.Initialize(context, statusBar, parameters); + context.GetViewport().SetStatusBar(statusBar); + + std::string title = application.GetTitle(); + if (title.empty()) + { + title = "Stone of Orthanc"; + } + + context.Start(); + + { + /************************************************************** + * Run the application inside a SDL window + **************************************************************/ + + LOG(WARNING) << "Starting the application"; + + SdlWindow window(title.c_str(), width, height, opengl); + SdlEngine sdl(window, context.GetViewport()); + + sdl.Run(); + + LOG(WARNING) << "Stopping the application"; + } + + + /**************************************************************** + * Finalize the application + ****************************************************************/ + + context.Stop(); + + LOG(WARNING) << "The application has stopped"; + + context.GetViewport().ResetStatusBar(); + application.Finalize(); + } + catch (Orthanc::OrthancException& e) + { + LOG(ERROR) << "EXCEPTION: " << e.What(); + success = false; + } + + + /****************************************************************** + * Finalize all the subcomponents of Orthanc Stone + ******************************************************************/ + + SdlEngine::GlobalFinalize(); + Orthanc::HttpClient::GlobalFinalize(); + Orthanc::HttpClient::FinalizeOpenSsl(); + + return (success ? 0 : -1); + } +#endif + +}