libreoffice-online/loolwsd/MasterProcessSession.hpp
Henry Castro 894ab66d8c loolwsd: Refactored MasterProcessSession
MasterProcessSession class now moved to own files.

Change-Id: Ic1a980295b9bb4b28ec9e205de1544fb98ad98f8
Reviewed-on: https://gerrit.libreoffice.org/20893
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
Tested-by: Henry Castro <hcastro@collabora.com>
2015-12-23 17:02:57 +00:00

89 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_MASTERPROCESSSESSION_HPP
#define INCLUDED_MASTERPROCESSSESSION_HPP
#include <Poco/Random.h>
#include "LOOLSession.hpp"
#include "TileCache.hpp"
class MasterProcessSession final : public LOOLSession, public std::enable_shared_from_this<MasterProcessSession>
{
public:
MasterProcessSession(std::shared_ptr<Poco::Net::WebSocket> ws, Kind kind);
virtual ~MasterProcessSession();
virtual bool handleInput(const char *buffer, int length) override;
bool haveSeparateProcess();
static Poco::Path getJailPath(Poco::UInt64 childId);
static std::map<Poco::Process::PID, Poco::UInt64> _childProcesses;
virtual bool getStatus(const char *buffer, int length);
virtual bool getCommandValues(const char *buffer, int length, Poco::StringTokenizer& tokens);
virtual bool getPartPageRectangles(const char *buffer, int length) override;
/**
* Return the URL of the saved-as document when it's ready. If called
* before it's ready, the call blocks till then.
*/
std::string getSaveAs();
// Sessions to pre-spawned child processes that have connected but are not yet assigned a
// document to work on.
static std::set<std::shared_ptr<MasterProcessSession>> _availableChildSessions;
protected:
bool invalidateTiles(const char *buffer, int length, Poco::StringTokenizer& tokens);
virtual bool loadDocument(const char *buffer, int length, Poco::StringTokenizer& tokens) override;
virtual void sendTile(const char *buffer, int length, Poco::StringTokenizer& tokens);
virtual void sendFontRendering(const char *buffer, int length, Poco::StringTokenizer& tokens);
void dispatchChild();
void forwardToPeer(const char *buffer, int length);
// If _kind==ToPrisoner and the child process has started and completed its handshake with the
// parent process: Points to the WebSocketSession for the child process handling the document in
// question, if any.
// In the session to the child process, points to the LOOLSession for the LOOL client. This will
// obvious have to be rethought when we add collaboration and there can be several LOOL clients
// per document being edited (i.e., per child process).
std::weak_ptr<MasterProcessSession> _peer;
static std::mutex _availableChildSessionMutex;
static std::condition_variable _availableChildSessionCV;
std::unique_ptr<TileCache> _tileCache;
private:
// The id of the child process
Poco::UInt64 _childId;
// The pid of the child process
Poco::Process::PID _pidChild;
static Poco::Random _rng;
static std::mutex _rngMutex;
int _curPart;
int _loadPart;
/// Kind::ToClient instances store URLs of completed 'save as' documents.
MessageQueue _saveAsQueue;
};
#endif