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libreoffice-online/loolwsd/LOOLWSD.hpp

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Bump Emacs fill-column to 100 The default 70 is so last century.
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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/*
* 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_LOOLWSD_HPP
#define INCLUDED_LOOLWSD_HPP
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#include "config.h"
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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#include <string>
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#include <mutex>
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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#include <Poco/Util/OptionSet.h>
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#include <Poco/Random.h>
#include <Poco/Path.h>
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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#include <Poco/Util/ServerApplication.h>
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#include <Poco/SharedMemory.h>
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#include <Poco/NamedMutex.h>
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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class LOOLWSD: public Poco::Util::ServerApplication
{
public:
LOOLWSD();
~LOOLWSD();
// An Application is a singleton anyway, so just keep these as
// statics
static int portNumber;
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static int timeoutCounter;
loolwsd: ensure one child when debugging when used with --test option: ./loolwsd --test --systemplate=${SYSTEMPLATE} --lotemplate=${MASTER}/instdir --childroot=${ROOTFORJAILS} ensure that one child is created and attach to it easily to debug lokit messages
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static bool doTest;
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static std::string cache;
Work in progress: "pre-forking", chroot, etc. Non-working state Lots of changes to the server code, LOOLWSD and LOOLSession mainly. This is an intermediate commit.
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static std::string sysTemplate;
static std::string loTemplate;
static std::string childRoot;
static std::string loSubPath;
static std::string jail;
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static Poco::SharedMemory _sharedForkChild;
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static Poco::NamedMutex _namedMutexLOOL;
tdf#94607 downloadAs command that generates an URL for the doc When requested, the document is exported under /jail_path/CHILD_ID/user/thedocument/RANDOMDIR/filename and CHILD_ID, RANDOMDIR and the filename are communicated to the client. When the client requests http://server:port/CHILD_ID/RANDOMDIR/filename, the exported document is served and then RANDOMDIR is removed
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static Poco::Random _rng;
Work in progress: "pre-forking", chroot, etc. Non-working state Lots of changes to the server code, LOOLWSD and LOOLSession mainly. This is an intermediate commit.
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Use a separate HTTPServer listening for child processes connnecting Otherwise, if we use the same port number and same HTTPServer, if enough clients try to contact us and, we won't be able to accept child processes having been spawned. Also add some temporary debugging output here and there to debug lifecycle management issues.
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static const int DEFAULT_CLIENT_PORT_NUMBER = 9980;
static const int MASTER_PORT_NUMBER = 9981;
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static const int INTERVAL_PROBES = 10;
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static const int MAINTENANCE_INTERVAL = 1;
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static const std::string CHILD_URI;
loolwsd: create PID log file. The PID log file is used by external utilities to report processes, threads, etc.
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static const std::string PIDLOG;
loolwsd: create lokit process id logs Also, when used with --test option, create lokit PID log so it is attached to the debugger. gdb loolwsd $(cat /tmp/lokit.pid)
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static const std::string LOKIT_PIDLOG;
Make DEFAULT_PORT_NUMBER public
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Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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protected:
void initialize(Poco::Util::Application& self) override;
void uninitialize() override;
void defineOptions(Poco::Util::OptionSet& options) override;
void handleOption(const std::string& name, const std::string& value) override;
int main(const std::vector<std::string>& args) override;
private:
void displayHelp();
bool childMode() const;
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void componentMain();
void desktopMain();
void startupComponent(int nComponents);
void startupDesktop(int nDesktop);
int createComponent();
int createDesktop();
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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Use separate classes derived from LOOLSession for parent and child processes Work in progress. Does not work properly yet.
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Poco::UInt64 _childId;
No need for this member to be public
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static int _numPreSpawnedChildren;
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static std::mutex _rngMutex;
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#if ENABLE_DEBUG
public:
static bool runningAsRoot;
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static int uid;
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#endif
Use separate child processes for LibreOfficeKit For now, each LOOL client has a separate child process (or none at all, if it has accessed only information found in the cache). This will obviously have to chnage to handle collaboration. Etc. The parent process talks the same Websocket protocol with the child processes. When there is a child process for a client, traffic from the client is forwarded as such to the child process and vice versa.
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};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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