97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_MASTERPROCESSSESSION_HPP
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#define INCLUDED_MASTERPROCESSSESSION_HPP
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#include <time.h>
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#include <Poco/Random.h>
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#include "DocumentBroker.hpp"
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#include "LOOLSession.hpp"
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#include "TileCache.hpp"
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class MasterProcessSession final : public LOOLSession, public std::enable_shared_from_this<MasterProcessSession>
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{
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public:
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MasterProcessSession(const std::string& id,
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const Kind kind,
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std::shared_ptr<Poco::Net::WebSocket> ws,
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std::shared_ptr<DocumentBroker> docBroker);
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virtual ~MasterProcessSession();
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virtual bool getStatus(const char *buffer, int length) override;
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virtual bool getCommandValues(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
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virtual bool getPartPageRectangles(const char *buffer, int length) override;
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virtual void disconnect(const std::string& reason = "") override;
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virtual bool handleDisconnect(Poco::StringTokenizer& tokens) override;
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/**
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* Return the URL of the saved-as document when it's ready. If called
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* before it's ready, the call blocks till then.
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*/
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std::string getSaveAs();
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std::shared_ptr<DocumentBroker> getDocumentBroker() const { return _docBroker; }
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// Sessions to pre-spawned child processes that have connected but are not yet assigned a
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// document to work on.
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static std::map<std::string, std::shared_ptr<MasterProcessSession>> AvailableChildSessions;
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static std::mutex AvailableChildSessionMutex;
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static std::condition_variable AvailableChildSessionCV;
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time_t _lastMessageTime;
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time_t _idleSaveTime;
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time_t _autoSaveTime;
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protected:
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bool invalidateTiles(const char *buffer, int length, Poco::StringTokenizer& tokens);
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virtual bool loadDocument(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
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virtual void sendTile(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
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virtual void sendCombinedTiles(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
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virtual void sendFontRendering(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
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private:
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void dispatchChild();
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void forwardToPeer(const char *buffer, int length);
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// If _kind==ToPrisoner and the child process has started and completed its handshake with the
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// parent process: Points to the WebSocketSession for the child process handling the document in
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// question, if any.
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// In the session to the child process, points to the LOOLSession for the LOOL client. This will
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// obvious have to be rethought when we add collaboration and there can be several LOOL clients
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// per document being edited (i.e., per child process).
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std::weak_ptr<MasterProcessSession> _peer;
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std::unique_ptr<TileCache> _tileCache;
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static
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Poco::Path getJailPath(const std::string& childId);
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virtual bool _handleInput(const char *buffer, int length) override;
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int _curPart;
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int _loadPart;
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/// Kind::ToClient instances store URLs of completed 'save as' documents.
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MessageQueue _saveAsQueue;
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std::shared_ptr<DocumentBroker> _docBroker;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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