mirror of
https://github.com/OpenSpace/OpenSpace.git
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84 lines
4.2 KiB
C++
84 lines
4.2 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_SERVER___CONNECTION___H__
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#define __OPENSPACE_MODULE_SERVER___CONNECTION___H__
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#include <ghoul/misc/templatefactory.h>
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#include <openspace/json.h>
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#include <memory>
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#include <string>
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#include <thread>
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namespace ghoul::io { class Socket; }
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namespace openspace {
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using TopicId = size_t;
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class Topic;
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// @TODO (abock, 2022-05-06) This is not really elegant as there is no need for a
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// Connection to be held by a shared_ptr, but there was a problem with the LuaScriptTopic
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// otherwise (issue #1940).
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// The problem there is that the LuaScriptTopic is keeping a copy of the _connection in
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// its lambda to return a script back to the caller. The script is only queued, so is
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// executed a bit longer. If the UI gets reloaded in between the creation of the lambda
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// and the execution, the _connection will be an invalid pointer and the program will
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// crash. Making this a shared_ptr circumvents that problem my having the lamdba retain
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// ownership of the _connection and keeping it alive until the message is sent. The
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// message doesn't go anywhere since noone is listening, but it's better than a crash.
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class Connection : public std::enable_shared_from_this<Connection> {
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public:
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Connection(std::unique_ptr<ghoul::io::Socket> s, std::string address,
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bool authorized = false, const std::string& password = "");
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void handleMessage(const std::string& message);
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void sendMessage(const std::string& message);
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void handleJson(const nlohmann::json& json);
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void sendJson(const nlohmann::json& json);
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void setAuthorized(bool status);
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bool isAuthorized() const;
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ghoul::io::Socket* socket();
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std::thread& thread();
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void setThread(std::thread&& thread);
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private:
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ghoul::TemplateFactory<Topic> _topicFactory;
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std::map<TopicId, std::unique_ptr<Topic>> _topics;
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std::unique_ptr<ghoul::io::Socket> _socket;
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std::thread _thread;
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std::string _address;
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bool _isAuthorized = false;
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std::map<TopicId, std::string> _messageQueue;
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std::map<TopicId, std::chrono::system_clock::time_point> _sentMessages;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_SERVER___CONNECTION___H__
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