Mercurial > hg > orthanc
view OrthancServer/OrthancInitialization.cpp @ 637:900274ed996f
test endianness
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 29 Oct 2013 14:28:49 +0000 |
parents | a24b0161b171 |
children | 08eca5d86aad |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2013 Medical Physics Department, CHU 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 "OrthancInitialization.h" #include "../Core/HttpClient.h" #include "../Core/OrthancException.h" #include "../Core/Toolbox.h" #include "ServerEnumerations.h" #include <boost/lexical_cast.hpp> #include <boost/filesystem.hpp> #include <curl/curl.h> #include <boost/thread.hpp> #include <glog/logging.h> namespace Orthanc { static const char* CONFIGURATION_FILE = "Configuration.json"; static boost::mutex globalMutex_; static std::auto_ptr<Json::Value> configuration_; static boost::filesystem::path defaultDirectory_; static void ReadGlobalConfiguration(const char* configurationFile) { configuration_.reset(new Json::Value); std::string content; if (configurationFile) { Toolbox::ReadFile(content, configurationFile); defaultDirectory_ = boost::filesystem::path(configurationFile).parent_path(); LOG(INFO) << "Using the configuration from: " << configurationFile; } else { #if 0 && ORTHANC_STANDALONE == 1 && defined(__linux) // Unused anymore // Under Linux, try and open "../../etc/orthanc/Configuration.json" try { boost::filesystem::path p = Toolbox::GetDirectoryOfExecutable(); p = p.parent_path().parent_path(); p /= "etc"; p /= "orthanc"; p /= CONFIGURATION_FILE; Toolbox::ReadFile(content, p.string()); LOG(INFO) << "Using the configuration from: " << p.string(); } catch (OrthancException&) { // No configuration file found, give up with empty configuration LOG(INFO) << "Using the default Orthanc configuration"; return; } #elif ORTHANC_STANDALONE == 1 // No default path for the standalone configuration LOG(INFO) << "Using the default Orthanc configuration"; return; #else // In a non-standalone build, we use the // "Resources/Configuration.json" from the Orthanc distribution try { boost::filesystem::path p = ORTHANC_PATH; p /= "Resources"; p /= CONFIGURATION_FILE; Toolbox::ReadFile(content, p.string()); LOG(INFO) << "Using the configuration from: " << p.string(); } catch (OrthancException&) { // No configuration file found, give up with empty configuration LOG(INFO) << "Using the default Orthanc configuration"; return; } #endif } Json::Reader reader; if (!reader.parse(content, *configuration_)) { throw OrthancException("Unable to read the configuration file"); } } static void RegisterUserMetadata() { if (configuration_->isMember("UserMetadata")) { const Json::Value& parameter = (*configuration_) ["UserMetadata"]; Json::Value::Members members = parameter.getMemberNames(); for (size_t i = 0; i < members.size(); i++) { std::string info = "\"" + members[i] + "\" = " + parameter[members[i]].toStyledString(); LOG(INFO) << "Registering user-defined metadata: " << info; if (!parameter[members[i]].asBool()) { LOG(ERROR) << "Not a number in this user-defined metadata: " << info; throw OrthancException(ErrorCode_BadParameterType); } int metadata = parameter[members[i]].asInt(); try { RegisterUserMetadata(metadata, members[i]); } catch (OrthancException e) { LOG(ERROR) << "Cannot register this user-defined metadata: " << info; throw e; } } } } void OrthancInitialize(const char* configurationFile) { boost::mutex::scoped_lock lock(globalMutex_); InitializeServerEnumerations(); defaultDirectory_ = boost::filesystem::current_path(); ReadGlobalConfiguration(configurationFile); HttpClient::GlobalInitialize(); RegisterUserMetadata(); } void OrthancFinalize() { boost::mutex::scoped_lock lock(globalMutex_); HttpClient::GlobalFinalize(); configuration_.reset(NULL); } std::string GetGlobalStringParameter(const std::string& parameter, const std::string& defaultValue) { boost::mutex::scoped_lock lock(globalMutex_); if (configuration_->isMember(parameter)) { return (*configuration_) [parameter].asString(); } else { return defaultValue; } } int GetGlobalIntegerParameter(const std::string& parameter, int defaultValue) { boost::mutex::scoped_lock lock(globalMutex_); if (configuration_->isMember(parameter)) { return (*configuration_) [parameter].asInt(); } else { return defaultValue; } } bool GetGlobalBoolParameter(const std::string& parameter, bool defaultValue) { boost::mutex::scoped_lock lock(globalMutex_); if (configuration_->isMember(parameter)) { return (*configuration_) [parameter].asBool(); } else { return defaultValue; } } void GetDicomModalityUsingSymbolicName(const std::string& name, std::string& aet, std::string& address, int& port, ModalityManufacturer& manufacturer) { boost::mutex::scoped_lock lock(globalMutex_); if (!configuration_->isMember("DicomModalities")) { throw OrthancException(""); } const Json::Value& modalities = (*configuration_) ["DicomModalities"]; if (modalities.type() != Json::objectValue || !modalities.isMember(name) || (modalities[name].size() != 3 && modalities[name].size() != 4)) { throw OrthancException(""); } try { aet = modalities[name].get(0u, "").asString(); address = modalities[name].get(1u, "").asString(); port = modalities[name].get(2u, "").asInt(); if (modalities[name].size() == 4) { manufacturer = StringToModalityManufacturer(modalities[name].get(3u, "").asString()); } else { manufacturer = ModalityManufacturer_Generic; } } catch (...) { throw OrthancException("Badly formatted DICOM modality"); } } void GetOrthancPeer(const std::string& name, std::string& url, std::string& username, std::string& password) { boost::mutex::scoped_lock lock(globalMutex_); if (!configuration_->isMember("OrthancPeers")) { throw OrthancException(""); } const Json::Value& modalities = (*configuration_) ["OrthancPeers"]; if (modalities.type() != Json::objectValue || !modalities.isMember(name)) { throw OrthancException(""); } try { url = modalities[name].get(0u, "").asString(); if (modalities[name].size() == 1) { username = ""; password = ""; } else if (modalities[name].size() == 3) { username = modalities[name].get(1u, "").asString(); password = modalities[name].get(2u, "").asString(); } else { throw OrthancException(ErrorCode_BadFileFormat); } } catch (...) { throw OrthancException(ErrorCode_BadFileFormat); } if (url.size() != 0 && url[url.size() - 1] != '/') { url += '/'; } } static bool ReadKeys(std::set<std::string>& target, const char* parameter, bool onlyAlphanumeric) { boost::mutex::scoped_lock lock(globalMutex_); target.clear(); if (!configuration_->isMember(parameter)) { return true; } const Json::Value& modalities = (*configuration_) [parameter]; if (modalities.type() != Json::objectValue) { throw OrthancException(ErrorCode_BadFileFormat); } Json::Value::Members members = modalities.getMemberNames(); for (size_t i = 0; i < members.size(); i++) { if (onlyAlphanumeric) { for (size_t j = 0; j < members[i].size(); j++) { if (!isalnum(members[i][j]) && members[i][j] != '-') { return false; } } } target.insert(members[i]); } return true; } void GetListOfDicomModalities(std::set<std::string>& target) { if (!ReadKeys(target, "DicomModalities", true)) { throw OrthancException("Only alphanumeric and dash characters are allowed in the names of the modalities"); } } void GetListOfOrthancPeers(std::set<std::string>& target) { if (!ReadKeys(target, "OrthancPeers", true)) { throw OrthancException("Only alphanumeric and dash characters are allowed in the names of Orthanc peers"); } } void SetupRegisteredUsers(MongooseServer& httpServer) { boost::mutex::scoped_lock lock(globalMutex_); httpServer.ClearUsers(); if (!configuration_->isMember("RegisteredUsers")) { return; } const Json::Value& users = (*configuration_) ["RegisteredUsers"]; if (users.type() != Json::objectValue) { throw OrthancException("Badly formatted list of users"); } Json::Value::Members usernames = users.getMemberNames(); for (size_t i = 0; i < usernames.size(); i++) { const std::string& username = usernames[i]; std::string password = users[username].asString(); httpServer.RegisterUser(username.c_str(), password.c_str()); } } std::string InterpretRelativePath(const std::string& baseDirectory, const std::string& relativePath) { boost::filesystem::path base(baseDirectory); boost::filesystem::path relative(relativePath); /** The following lines should be equivalent to this one: return (base / relative).string(); However, for some unknown reason, some versions of Boost do not make the proper path resolution when "baseDirectory" is an absolute path. So, a hack is used below. **/ if (relative.is_absolute()) { return relative.string(); } else { return (base / relative).string(); } } std::string InterpretStringParameterAsPath(const std::string& parameter) { boost::mutex::scoped_lock lock(globalMutex_); return InterpretRelativePath(defaultDirectory_.string(), parameter); } void GetGlobalListOfStringsParameter(std::list<std::string>& target, const std::string& key) { boost::mutex::scoped_lock lock(globalMutex_); target.clear(); if (!configuration_->isMember(key)) { return; } const Json::Value& lst = (*configuration_) [key]; if (lst.type() != Json::arrayValue) { throw OrthancException("Badly formatted list of strings"); } for (Json::Value::ArrayIndex i = 0; i < lst.size(); i++) { target.push_back(lst[i].asString()); } } void ConnectToModalityUsingSymbolicName(DicomUserConnection& connection, const std::string& name) { std::string aet, address; int port; ModalityManufacturer manufacturer; GetDicomModalityUsingSymbolicName(name, aet, address, port, manufacturer); LOG(WARNING) << "Connecting to remote DICOM modality: AET=" << aet << ", address=" << address << ", port=" << port; connection.SetLocalApplicationEntityTitle(GetGlobalStringParameter("DicomAet", "ORTHANC")); connection.SetDistantApplicationEntityTitle(aet); connection.SetDistantHost(address); connection.SetDistantPort(port); connection.SetDistantManufacturer(manufacturer); connection.Open(); } bool LookupDicomModalityUsingAETitle(const std::string& aet, std::string& symbolicName, std::string& address, int& port, ModalityManufacturer& manufacturer) { std::set<std::string> modalities; GetListOfDicomModalities(modalities); for (std::set<std::string>::const_iterator it = modalities.begin(); it != modalities.end(); it++) { try { std::string thisAet; GetDicomModalityUsingSymbolicName(*it, thisAet, address, port, manufacturer); if (aet == thisAet) { return true; } } catch (OrthancException&) { } } return false; } bool IsKnownAETitle(const std::string& aet) { std::string symbolicName, address; int port; ModalityManufacturer manufacturer; return LookupDicomModalityUsingAETitle(aet, symbolicName, address, port, manufacturer); } void ConnectToModalityUsingAETitle(DicomUserConnection& connection, const std::string& aet) { std::string symbolicName, address; int port; ModalityManufacturer manufacturer; if (!LookupDicomModalityUsingAETitle(aet, symbolicName, address, port, manufacturer)) { throw OrthancException("Unknown modality: " + aet); } LOG(WARNING) << "Connecting to remote DICOM modality: AET=" << aet << ", address=" << address << ", port=" << port; connection.SetLocalApplicationEntityTitle(GetGlobalStringParameter("DicomAet", "ORTHANC")); connection.SetDistantApplicationEntityTitle(aet); connection.SetDistantHost(address); connection.SetDistantPort(port); connection.SetDistantManufacturer(manufacturer); connection.Open(); } }