1263694944
Otherwise both loolwsd and unit-copy-paste.so would have a ShutdownRequestFlag: ==13663==ERROR: AddressSanitizer: odr-violation (0x00000208f860): [1] size=1 'ShutdownRequestFlag' ../common/SigUtil.cpp:60:19 [2] size=1 'ShutdownRequestFlag' common/SigUtil.cpp:60:19 These globals were registered at these points: [1]: #0 0x5f9a18 in __asan_register_globals.part.13 /home/vmiklos/git/libreoffice/lode/packages/llvm-472c6ef8b0f53061b049039f9775ab127beafbe4.src/compiler-rt/lib/asan/asan_globals.cc:365 #1 0x7f9b903f1d0b in asan.module_ctor (/home/vmiklos/git/libreoffice/online-san/test/../test/.libs/unit-copy-paste.so+0x60ad0b) [2]: #0 0x5f9a18 in __asan_register_globals.part.13 /home/vmiklos/git/libreoffice/lode/packages/llvm-472c6ef8b0f53061b049039f9775ab127beafbe4.src/compiler-rt/lib/asan/asan_globals.cc:365 #1 0xe2b9fe in asan.module_ctor (/home/vmiklos/git/libreoffice/online-san/loolwsd+0xe2b9fe) Change-Id: I247760325f804813249e814dbb4576493619dee7
2133 lines
74 KiB
C++
2133 lines
74 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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#include <config.h>
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#include "DocumentBroker.hpp"
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#include <atomic>
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#include <cassert>
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#include <chrono>
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#include <ctime>
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#include <fstream>
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#include <sstream>
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#include <Poco/DigestStream.h>
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#include <Poco/Exception.h>
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#include <Poco/JSON/Object.h>
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#include <Poco/Path.h>
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#include <Poco/SHA1Engine.h>
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#include <Poco/StreamCopier.h>
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#include <Poco/StringTokenizer.h>
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#include "Admin.hpp"
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#include "ClientSession.hpp"
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#include "Exceptions.hpp"
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#include "LOOLWSD.hpp"
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#include "SenderQueue.hpp"
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#include "Storage.hpp"
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#include "TileCache.hpp"
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#include <common/Log.hpp>
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#include <common/Message.hpp>
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#include <common/Clipboard.hpp>
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#include <common/Protocol.hpp>
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#include <common/Unit.hpp>
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#include <common/FileUtil.hpp>
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#include <sys/types.h>
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#include <sys/wait.h>
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#define TILES_ON_FLY_MIN_UPPER_LIMIT 10.0f
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using namespace LOOLProtocol;
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using Poco::JSON::Object;
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#if ENABLE_DEBUG
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# define ADD_DEBUG_RENDERID (" renderid=cached\n")
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#else
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# define ADD_DEBUG_RENDERID ("\n")
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#endif
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void ChildProcess::setDocumentBroker(const std::shared_ptr<DocumentBroker>& docBroker)
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{
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assert(docBroker && "Invalid DocumentBroker instance.");
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_docBroker = docBroker;
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// Add the prisoner socket to the docBroker poll.
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docBroker->addSocketToPoll(_socket);
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}
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namespace
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{
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void sendLastModificationTime(const std::shared_ptr<Session>& session,
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DocumentBroker* documentBroker,
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const Poco::Timestamp& documentLastModifiedTime)
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{
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if (!session)
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return;
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std::stringstream stream;
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stream << "lastmodtime: " << documentLastModifiedTime;
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std::string message = stream.str();
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session->sendTextFrame(message);
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if (documentBroker)
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documentBroker->broadcastMessage(message);
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}
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}
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Poco::URI DocumentBroker::sanitizeURI(const std::string& uri)
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{
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// The URI of the document should be url-encoded.
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std::string decodedUri;
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Poco::URI::decode(uri, decodedUri);
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Poco::URI uriPublic(decodedUri);
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if (uriPublic.isRelative() || uriPublic.getScheme() == "file")
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{
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// TODO: Validate and limit access to local paths!
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uriPublic.normalize();
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}
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if (uriPublic.getPath().empty())
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{
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throw std::runtime_error("Invalid URI.");
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}
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// We decoded access token before embedding it in loleaflet.html
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// So, we need to decode it now to get its actual value
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Poco::URI::QueryParameters queryParams = uriPublic.getQueryParameters();
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for (auto& param: queryParams)
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{
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// look for encoded query params (access token as of now)
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if (param.first == "access_token")
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{
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std::string decodedToken;
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Poco::URI::decode(param.second, decodedToken);
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param.second = decodedToken;
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}
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}
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uriPublic.setQueryParameters(queryParams);
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return uriPublic;
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}
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std::string DocumentBroker::getDocKey(const Poco::URI& uri)
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{
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// If multiple host-names are used to access us, then
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// they must be aliases. Permission to access aliased hosts
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// is checked at the point of accepting incoming connections.
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// At this point storing the hostname artificially discriminates
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// between aliases and forces same document (when opened from
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// alias hosts) to load as separate documents and sharing doesn't
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// work. Worse, saving overwrites one another.
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std::string docKey;
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Poco::URI::encode(uri.getPath(), "", docKey);
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return docKey;
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}
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/// The Document Broker Poll - one of these in a thread per document
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class DocumentBroker::DocumentBrokerPoll final : public TerminatingPoll
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{
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/// The DocumentBroker owning us.
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DocumentBroker& _docBroker;
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public:
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DocumentBrokerPoll(const std::string &threadName, DocumentBroker& docBroker) :
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TerminatingPoll(threadName),
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_docBroker(docBroker)
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{
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}
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bool continuePolling() override
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{
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#if MOBILEAPP
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if (MobileTerminationFlag)
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{
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LOG_TRC("Noticed MobileTerminationFlag.");
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MobileTerminationFlag = false;
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return false;
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}
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#endif
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return TerminatingPoll::continuePolling();
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}
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void pollingThread() override
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{
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// Delegate to the docBroker.
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_docBroker.pollThread();
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}
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};
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std::atomic<unsigned> DocumentBroker::DocBrokerId(1);
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DocumentBroker::DocumentBroker(const std::string& uri,
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const Poco::URI& uriPublic,
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const std::string& docKey) :
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_uriOrig(uri),
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_uriPublic(uriPublic),
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_docKey(docKey),
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_docId(Util::encodeId(DocBrokerId++, 3)),
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_documentChangedInStorage(false),
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_lastSaveTime(std::chrono::steady_clock::now()),
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_lastSaveRequestTime(std::chrono::steady_clock::now() - std::chrono::milliseconds(COMMAND_TIMEOUT_MS)),
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_markToDestroy(false),
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_closeRequest(false),
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_isLoaded(false),
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_isModified(false),
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_cursorPosX(0),
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_cursorPosY(0),
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_cursorWidth(0),
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_cursorHeight(0),
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_poll(new DocumentBrokerPoll("docbroker_" + _docId, *this)),
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_stop(false),
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_closeReason("stopped"),
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_tileVersion(0),
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_debugRenderedTileCount(0)
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{
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assert(!_docKey.empty());
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assert(!LOOLWSD::ChildRoot.empty());
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LOG_INF("DocumentBroker [" << LOOLWSD::anonymizeUrl(_uriPublic.toString()) <<
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"] created with docKey [" << _docKey << "]");
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}
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void DocumentBroker::startThread()
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{
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_poll->startThread();
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}
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void DocumentBroker::assertCorrectThread() const
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{
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_poll->assertCorrectThread();
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}
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// The inner heart of the DocumentBroker - our poll loop.
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void DocumentBroker::pollThread()
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{
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LOG_INF("Starting docBroker polling thread for docKey [" << _docKey << "].");
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_threadStart = std::chrono::steady_clock::now();
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// Request a kit process for this doc.
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#if !MOBILEAPP
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do
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{
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static const int timeoutMs = COMMAND_TIMEOUT_MS * 5;
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_childProcess = getNewChild_Blocks();
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if (_childProcess ||
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std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() -
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_threadStart).count() > timeoutMs)
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break;
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// Nominal time between retries, lest we busy-loop. getNewChild could also wait, so don't double that here.
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std::this_thread::sleep_for(std::chrono::milliseconds(CHILD_REBALANCE_INTERVAL_MS / 10));
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}
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while (!_stop && _poll->continuePolling() && !SigUtil::getTerminationFlag() && !SigUtil::getShutdownRequestFlag());
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#else
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_childProcess = getNewChild_Blocks(getPublicUri().getPath());
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#endif
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if (!_childProcess)
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{
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// Let the client know we can't serve now.
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LOG_ERR("Failed to get new child.");
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// FIXME: need to notify all clients and shut this down ...
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// FIXME: return something good down the websocket ...
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#if 0
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const std::string msg = SERVICE_UNAVAILABLE_INTERNAL_ERROR;
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ws.sendMessage(msg);
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// abnormal close frame handshake
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ws.shutdown(WebSocketHandler::StatusCodes::ENDPOINT_GOING_AWAY);
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#endif
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stop("Failed to get new child.");
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// Stop to mark it done and cleanup.
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_poll->stop();
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_poll->removeSockets();
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// Async cleanup.
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LOOLWSD::doHousekeeping();
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LOG_INF("Finished docBroker polling thread for docKey [" << _docKey << "].");
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return;
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}
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_childProcess->setDocumentBroker(shared_from_this());
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LOG_INF("Doc [" << _docKey << "] attached to child [" << _childProcess->getPid() << "].");
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static const bool AutoSaveEnabled = !std::getenv("LOOL_NO_AUTOSAVE");
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#if !MOBILEAPP
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static const size_t IdleDocTimeoutSecs = LOOLWSD::getConfigValue<int>(
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"per_document.idle_timeout_secs", 3600);
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// Used to accumulate B/W deltas.
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uint64_t adminSent = 0;
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uint64_t adminRecv = 0;
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auto lastBWUpdateTime = std::chrono::steady_clock::now();
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auto lastClipboardHashUpdateTime = std::chrono::steady_clock::now();
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int limit_load_secs = LOOLWSD::getConfigValue<int>("per_document.limit_load_secs", 100);
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auto loadDeadline = std::chrono::steady_clock::now() + std::chrono::seconds(limit_load_secs);
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#endif
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auto last30SecCheckTime = std::chrono::steady_clock::now();
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// Main polling loop goodness.
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while (!_stop && _poll->continuePolling() && !SigUtil::getTerminationFlag())
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{
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_poll->poll(SocketPoll::DefaultPollTimeoutMs);
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const auto now = std::chrono::steady_clock::now();
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#if !MOBILEAPP
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if (!_isLoaded && (limit_load_secs > 0) && (now > loadDeadline))
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{
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// Brutal but effective.
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if (_childProcess)
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_childProcess->terminate();
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stop("Load timed out");
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continue;
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}
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if (std::chrono::duration_cast<std::chrono::milliseconds>
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(now - lastBWUpdateTime).count() >= 5 * 1000)
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{
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lastBWUpdateTime = now;
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uint64_t sent, recv;
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getIOStats(sent, recv);
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// send change since last notification.
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Admin::instance().addBytes(getDocKey(),
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// connection drop transiently reduces this.
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(sent > adminSent ? (sent - adminSent): uint64_t(0)),
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(recv > adminRecv ? (recv - adminRecv): uint64_t(0)));
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LOG_DBG("Doc [" << _docKey << "] added sent: " << sent << " recv: " << recv << " bytes to totals");
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adminSent = sent;
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adminRecv = recv;
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}
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#endif
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if (isSaving() &&
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std::chrono::duration_cast<std::chrono::milliseconds>
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(now - _lastSaveRequestTime).count() <= COMMAND_TIMEOUT_MS)
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{
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// We are saving, nothing more to do but wait (until we save or we timeout).
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continue;
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}
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if (SigUtil::getShutdownRequestFlag() || _closeRequest)
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{
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const std::string reason = SigUtil::getShutdownRequestFlag() ? "recycling" : _closeReason;
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LOG_INF("Autosaving DocumentBroker for docKey [" << getDocKey() << "] for " << reason);
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if (!autoSave(isPossiblyModified()))
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{
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LOG_INF("Terminating DocumentBroker for docKey [" << getDocKey() << "].");
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stop(reason);
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}
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}
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else if (AutoSaveEnabled && !_stop &&
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std::chrono::duration_cast<std::chrono::seconds>(now - last30SecCheckTime).count() >= 30)
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{
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LOG_TRC("Triggering an autosave.");
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autoSave(false);
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last30SecCheckTime = std::chrono::steady_clock::now();
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}
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#if !MOBILEAPP
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if (std::chrono::duration_cast<std::chrono::minutes>(now - lastClipboardHashUpdateTime).count() >= 2)
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for (auto &it : _sessions)
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{
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if (it.second->staleWaitDisconnect(now))
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{
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std::string id = it.second->getId();
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LOG_WRN("Unusual, Kit session " + id + " failed its disconnect handshake, killing");
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finalRemoveSession(id);
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break; // it invalid.
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}
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}
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if (std::chrono::duration_cast<std::chrono::minutes>(now - lastClipboardHashUpdateTime).count() >= 5)
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{
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LOG_TRC("Rotating clipboard keys");
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for (auto &it : _sessions)
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it.second->rotateClipboardKey(true);
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lastClipboardHashUpdateTime = now;
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}
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if (false)
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;
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// Remove idle documents after 1 hour.
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else if (isLoaded() && getIdleTimeSecs() >= IdleDocTimeoutSecs)
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{
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// Stop if there is nothing to save.
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LOG_INF("Autosaving idle DocumentBroker for docKey [" << getDocKey() << "] to kill.");
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if (!autoSave(isPossiblyModified()))
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{
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LOG_INF("Terminating idle DocumentBroker for docKey [" << getDocKey() << "].");
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stop("idle");
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}
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}
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#endif
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else if (_sessions.empty() && (isLoaded() || _markToDestroy))
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{
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// If all sessions have been removed, no reason to linger.
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LOG_INF("Terminating dead DocumentBroker for docKey [" << getDocKey() << "].");
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stop("dead");
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}
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}
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LOG_INF("Finished polling doc [" << _docKey << "]. stop: " << _stop << ", continuePolling: " <<
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_poll->continuePolling() << ", ShutdownRequestFlag: " << SigUtil::getShutdownRequestFlag() <<
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", TerminationFlag: " << SigUtil::getTerminationFlag() << ", closeReason: " << _closeReason << ". Flushing socket.");
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if (_isModified)
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{
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std::stringstream state;
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dumpState(state);
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LOG_ERR("DocumentBroker stopping although modified " << state.str());
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}
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// Flush socket data first.
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const int flushTimeoutMs = POLL_TIMEOUT_MS * 2; // ~1000ms
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const auto flushStartTime = std::chrono::steady_clock::now();
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while (_poll->getSocketCount())
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{
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const auto now = std::chrono::steady_clock::now();
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const int elapsedMs = std::chrono::duration_cast<std::chrono::milliseconds>(now - flushStartTime).count();
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if (elapsedMs > flushTimeoutMs)
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break;
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_poll->poll(std::min(flushTimeoutMs - elapsedMs, POLL_TIMEOUT_MS / 5));
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}
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LOG_INF("Finished flushing socket for doc [" << _docKey << "]. stop: " << _stop << ", continuePolling: " <<
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_poll->continuePolling() << ", ShutdownRequestFlag: " << SigUtil::getShutdownRequestFlag() <<
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", TerminationFlag: " << SigUtil::getTerminationFlag() << ". Terminating child with reason: [" << _closeReason << "].");
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// Terminate properly while we can.
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terminateChild(_closeReason);
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// Stop to mark it done and cleanup.
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_poll->stop();
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_poll->removeSockets();
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#if !MOBILEAPP
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// Async cleanup.
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LOOLWSD::doHousekeeping();
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#endif
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if (_tileCache)
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_tileCache->clear();
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LOG_INF("Finished docBroker polling thread for docKey [" << _docKey << "].");
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}
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bool DocumentBroker::isAlive() const
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{
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if (!_stop || _poll->isAlive())
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return true; // Polling thread not started or still running.
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// Shouldn't have live child process outside of the polling thread.
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return _childProcess && _childProcess->isAlive();
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}
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DocumentBroker::~DocumentBroker()
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{
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assertCorrectThread();
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#if !MOBILEAPP
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Admin::instance().rmDoc(_docKey);
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#endif
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LOG_INF("~DocumentBroker [" << _docKey <<
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"] destroyed with " << _sessions.size() << " sessions left.");
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// Do this early - to avoid operating on _childProcess from two threads.
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_poll->joinThread();
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if (!_sessions.empty())
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LOG_WRN("DocumentBroker [" << _docKey << "] still has unremoved sessions.");
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// Need to first make sure the child exited, socket closed,
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// and thread finished before we are destroyed.
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_childProcess.reset();
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}
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void DocumentBroker::joinThread()
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|
{
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|
_poll->joinThread();
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|
}
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|
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void DocumentBroker::stop(const std::string& reason)
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{
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|
LOG_DBG("Closing DocumentBroker for docKey [" << _docKey << "] with reason: " << reason);
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|
_closeReason = reason; // used later in the polling loop
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|
_stop = true;
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_poll->wakeup();
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}
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|
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bool DocumentBroker::load(const std::shared_ptr<ClientSession>& session, const std::string& jailId)
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{
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assertCorrectThread();
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const std::string sessionId = session->getId();
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LOG_INF("Loading [" << _docKey << "] for session [" << sessionId << "] and jail [" << jailId << "].");
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{
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bool result;
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if (UnitWSD::get().filterLoad(sessionId, jailId, result))
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return result;
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}
|
|
|
|
if (_markToDestroy)
|
|
{
|
|
// Tearing down.
|
|
LOG_WRN("Will not load document marked to destroy. DocKey: [" << _docKey << "].");
|
|
return false;
|
|
}
|
|
|
|
_jailId = jailId;
|
|
|
|
// The URL is the publicly visible one, not visible in the chroot jail.
|
|
// We need to map it to a jailed path and copy the file there.
|
|
|
|
// user/doc/jailId
|
|
const Poco::Path jailPath(JAILED_DOCUMENT_ROOT, jailId);
|
|
std::string jailRoot = getJailRoot();
|
|
|
|
LOG_INF("jailPath: " << jailPath.toString() << ", jailRoot: " << jailRoot);
|
|
|
|
bool firstInstance = false;
|
|
if (_storage == nullptr)
|
|
{
|
|
// Pass the public URI to storage as it needs to load using the token
|
|
// and other storage-specific data provided in the URI.
|
|
const Poco::URI& uriPublic = session->getPublicUri();
|
|
LOG_DBG("Loading, and creating new storage instance for URI [" << LOOLWSD::anonymizeUrl(uriPublic.toString()) << "].");
|
|
|
|
try
|
|
{
|
|
_storage = StorageBase::create(uriPublic, jailRoot, jailPath.toString());
|
|
}
|
|
catch (...)
|
|
{
|
|
session->sendMessage("loadstorage: failed");
|
|
throw;
|
|
}
|
|
|
|
if (_storage == nullptr)
|
|
{
|
|
// We should get an exception, not null.
|
|
LOG_ERR("Failed to create Storage instance for [" << _docKey << "] in " << jailPath.toString());
|
|
return false;
|
|
}
|
|
firstInstance = true;
|
|
}
|
|
|
|
assert(_storage != nullptr);
|
|
|
|
// Call the storage specific fileinfo functions
|
|
std::string userId, username;
|
|
std::string userExtraInfo;
|
|
std::string watermarkText;
|
|
std::string templateSource;
|
|
|
|
#if !MOBILEAPP
|
|
std::chrono::duration<double> getInfoCallDuration(0);
|
|
WopiStorage* wopiStorage = dynamic_cast<WopiStorage*>(_storage.get());
|
|
if (wopiStorage != nullptr)
|
|
{
|
|
std::unique_ptr<WopiStorage::WOPIFileInfo> wopifileinfo = wopiStorage->getWOPIFileInfo(session->getAuthorization());
|
|
userId = wopifileinfo->getUserId();
|
|
username = wopifileinfo->getUsername();
|
|
userExtraInfo = wopifileinfo->getUserExtraInfo();
|
|
watermarkText = wopifileinfo->getWatermarkText();
|
|
templateSource = wopifileinfo->getTemplateSource();
|
|
|
|
if (!wopifileinfo->getUserCanWrite() ||
|
|
LOOLWSD::IsViewFileExtension(wopiStorage->getFileExtension()))
|
|
{
|
|
LOG_DBG("Setting the session as readonly");
|
|
session->setReadOnly();
|
|
}
|
|
|
|
// Construct a JSON containing relevant WOPI host properties
|
|
Object::Ptr wopiInfo = new Object();
|
|
if (!wopifileinfo->getPostMessageOrigin().empty())
|
|
{
|
|
// Update the scheme to https if ssl or ssl termination is on
|
|
if (wopifileinfo->getPostMessageOrigin().substr(0, 7) == "http://" &&
|
|
(LOOLWSD::isSSLEnabled() || LOOLWSD::isSSLTermination()))
|
|
{
|
|
wopifileinfo->getPostMessageOrigin().replace(0, 4, "https");
|
|
LOG_DBG("Updating PostMessageOrigin scheme to HTTPS. Updated origin is [" << wopifileinfo->getPostMessageOrigin() << "].");
|
|
}
|
|
|
|
wopiInfo->set("PostMessageOrigin", wopifileinfo->getPostMessageOrigin());
|
|
}
|
|
|
|
// If print, export are disabled, order client to hide these options in the UI
|
|
if (wopifileinfo->getDisablePrint())
|
|
wopifileinfo->setHidePrintOption(true);
|
|
if (wopifileinfo->getDisableExport())
|
|
wopifileinfo->setHideExportOption(true);
|
|
|
|
wopiInfo->set("BaseFileName", wopiStorage->getFileInfo().getFilename());
|
|
|
|
if (!wopifileinfo->getTemplateSaveAs().empty())
|
|
wopiInfo->set("TemplateSaveAs", wopifileinfo->getTemplateSaveAs());
|
|
|
|
if (!templateSource.empty())
|
|
wopiInfo->set("TemplateSource", templateSource);
|
|
|
|
wopiInfo->set("HidePrintOption", wopifileinfo->getHidePrintOption());
|
|
wopiInfo->set("HideSaveOption", wopifileinfo->getHideSaveOption());
|
|
wopiInfo->set("HideExportOption", wopifileinfo->getHideExportOption());
|
|
wopiInfo->set("DisablePrint", wopifileinfo->getDisablePrint());
|
|
wopiInfo->set("DisableExport", wopifileinfo->getDisableExport());
|
|
wopiInfo->set("DisableCopy", wopifileinfo->getDisableCopy());
|
|
wopiInfo->set("DisableInactiveMessages", wopifileinfo->getDisableInactiveMessages());
|
|
wopiInfo->set("DownloadAsPostMessage", wopifileinfo->getDownloadAsPostMessage());
|
|
wopiInfo->set("UserCanNotWriteRelative", wopifileinfo->getUserCanNotWriteRelative());
|
|
wopiInfo->set("EnableInsertRemoteImage", wopifileinfo->getEnableInsertRemoteImage());
|
|
wopiInfo->set("EnableShare", wopifileinfo->getEnableShare());
|
|
wopiInfo->set("HideUserList", wopifileinfo->getHideUserList());
|
|
wopiInfo->set("SupportsRename", wopifileinfo->getSupportsRename());
|
|
wopiInfo->set("UserCanRename", wopifileinfo->getUserCanRename());
|
|
if (wopifileinfo->getHideChangeTrackingControls() != WopiStorage::WOPIFileInfo::TriState::Unset)
|
|
wopiInfo->set("HideChangeTrackingControls", wopifileinfo->getHideChangeTrackingControls() == WopiStorage::WOPIFileInfo::TriState::True);
|
|
|
|
std::ostringstream ossWopiInfo;
|
|
wopiInfo->stringify(ossWopiInfo);
|
|
const std::string wopiInfoString = ossWopiInfo.str();
|
|
LOG_TRC("Sending wopi info to client: " << wopiInfoString);
|
|
|
|
// Contains PostMessageOrigin property which is necessary to post messages to parent
|
|
// frame. Important to send this message immediately and not enqueue it so that in case
|
|
// document load fails, loleaflet is able to tell its parent frame via PostMessage API.
|
|
session->sendMessage("wopi: " + wopiInfoString);
|
|
|
|
// Mark the session as 'Document owner' if WOPI hosts supports it
|
|
if (userId == _storage->getFileInfo().getOwnerId())
|
|
{
|
|
LOG_DBG("Session [" << sessionId << "] is the document owner");
|
|
session->setDocumentOwner(true);
|
|
}
|
|
|
|
getInfoCallDuration = wopifileinfo->getCallDuration();
|
|
|
|
// Pass the ownership to client session
|
|
session->setWopiFileInfo(wopifileinfo);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
LocalStorage* localStorage = dynamic_cast<LocalStorage*>(_storage.get());
|
|
if (localStorage != nullptr)
|
|
{
|
|
std::unique_ptr<LocalStorage::LocalFileInfo> localfileinfo = localStorage->getLocalFileInfo();
|
|
userId = localfileinfo->getUserId();
|
|
username = localfileinfo->getUsername();
|
|
|
|
if (LOOLWSD::IsViewFileExtension(localStorage->getFileExtension()))
|
|
{
|
|
LOG_DBG("Setting the session as readonly");
|
|
session->setReadOnly();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#if ENABLE_SUPPORT_KEY
|
|
if (!LOOLWSD::OverrideWatermark.empty())
|
|
watermarkText = LOOLWSD::OverrideWatermark;
|
|
#endif
|
|
|
|
LOG_DBG("Setting username [" << LOOLWSD::anonymizeUsername(username) << "] and userId [" <<
|
|
LOOLWSD::anonymizeUsername(userId) << "] for session [" << sessionId << "]");
|
|
|
|
session->setUserId(userId);
|
|
session->setUserName(username);
|
|
session->setUserExtraInfo(userExtraInfo);
|
|
session->setWatermarkText(watermarkText);
|
|
|
|
// Basic file information was stored by the above getWOPIFileInfo() or getLocalFileInfo() calls
|
|
const StorageBase::FileInfo fileInfo = _storage->getFileInfo();
|
|
if (!fileInfo.isValid())
|
|
{
|
|
LOG_ERR("Invalid fileinfo for URI [" << session->getPublicUri().toString() << "].");
|
|
return false;
|
|
}
|
|
|
|
if (firstInstance)
|
|
{
|
|
_documentLastModifiedTime = fileInfo.getModifiedTime();
|
|
LOG_DBG("Document timestamp: " << _documentLastModifiedTime);
|
|
}
|
|
else
|
|
{
|
|
// Check if document has been modified by some external action
|
|
LOG_TRC("Document modified time: " << fileInfo.getModifiedTime());
|
|
static const Poco::Timestamp Zero(Poco::Timestamp::fromEpochTime(0));
|
|
if (_documentLastModifiedTime != Zero &&
|
|
fileInfo.getModifiedTime() != Zero &&
|
|
_documentLastModifiedTime != fileInfo.getModifiedTime())
|
|
{
|
|
LOG_DBG("Document " << _docKey << "] has been modified behind our back. " <<
|
|
"Informing all clients. Expected: " << _documentLastModifiedTime <<
|
|
", Actual: " << fileInfo.getModifiedTime());
|
|
|
|
_documentChangedInStorage = true;
|
|
std::string message = "close: documentconflict";
|
|
if (_isModified)
|
|
message = "error: cmd=storage kind=documentconflict";
|
|
|
|
session->sendTextFrame(message);
|
|
broadcastMessage(message);
|
|
}
|
|
}
|
|
|
|
sendLastModificationTime(session, this, _documentLastModifiedTime);
|
|
|
|
// Let's load the document now, if not loaded.
|
|
if (!_storage->isLoaded())
|
|
{
|
|
std::string localPath = _storage->loadStorageFileToLocal(session->getAuthorization(), templateSource);
|
|
|
|
#if !MOBILEAPP
|
|
// Check if we have a prefilter "plugin" for this document format
|
|
for (const auto& plugin : LOOLWSD::PluginConfigurations)
|
|
{
|
|
try
|
|
{
|
|
const std::string extension(plugin->getString("prefilter.extension"));
|
|
const std::string newExtension(plugin->getString("prefilter.newextension"));
|
|
const std::string commandLine(plugin->getString("prefilter.commandline"));
|
|
|
|
if (localPath.length() > extension.length()+1 &&
|
|
strcasecmp(localPath.substr(localPath.length() - extension.length() -1).data(), (std::string(".") + extension).data()) == 0)
|
|
{
|
|
// Extension matches, try the conversion. We convert the file to another one in
|
|
// the same (jail) directory, with just the new extension tacked on.
|
|
|
|
const std::string newRootPath = _storage->getRootFilePath() + "." + newExtension;
|
|
|
|
// The commandline must contain the space-separated substring @INPUT@ that is
|
|
// replaced with the input file name, and @OUTPUT@ for the output file name.
|
|
Poco::StringTokenizer tokenizer(commandLine, " ");
|
|
if (tokenizer.replace("@INPUT@", _storage->getRootFilePath()) != 1 ||
|
|
tokenizer.replace("@OUTPUT@", newRootPath) != 1)
|
|
throw Poco::NotFoundException();
|
|
|
|
|
|
std::vector<std::string> args;
|
|
for (std::size_t i = 1; i < tokenizer.count(); ++i)
|
|
args.emplace_back(tokenizer[i]);
|
|
|
|
int process = Util::spawnProcess(tokenizer[0], args);
|
|
int status = -1;
|
|
const int rc = ::waitpid(process, &status, 0);
|
|
if (rc != 0)
|
|
{
|
|
LOG_ERR("Conversion from " << extension << " to " << newExtension << " failed (" << rc << ").");
|
|
return false;
|
|
}
|
|
|
|
_storage->setRootFilePath(newRootPath);
|
|
localPath += "." + newExtension;
|
|
}
|
|
|
|
// We successfully converted the file to something LO can use; break out of the for
|
|
// loop.
|
|
break;
|
|
}
|
|
catch (const Poco::NotFoundException&)
|
|
{
|
|
// This plugin is not a proper prefilter one
|
|
}
|
|
}
|
|
#endif
|
|
|
|
std::ifstream istr(localPath, std::ios::binary);
|
|
Poco::SHA1Engine sha1;
|
|
Poco::DigestOutputStream dos(sha1);
|
|
Poco::StreamCopier::copyStream(istr, dos);
|
|
dos.close();
|
|
LOG_INF("SHA1 for DocKey [" << _docKey << "] of [" << LOOLWSD::anonymizeUrl(localPath) << "]: " <<
|
|
Poco::DigestEngine::digestToHex(sha1.digest()));
|
|
|
|
// LibreOffice can't open files with '#' in the name
|
|
std::string localPathEncoded;
|
|
Poco::URI::encode(localPath, "#", localPathEncoded);
|
|
_uriJailed = Poco::URI(Poco::URI("file://"), localPathEncoded).toString();
|
|
_uriJailedAnonym = Poco::URI(Poco::URI("file://"), LOOLWSD::anonymizeUrl(localPathEncoded)).toString();
|
|
|
|
_filename = fileInfo.getFilename();
|
|
|
|
// Use the local temp file's timestamp.
|
|
_lastFileModifiedTime = templateSource.empty() ? Poco::File(_storage->getRootFilePath()).getLastModified() :
|
|
Poco::Timestamp::fromEpochTime(0);
|
|
|
|
bool dontUseCache = false;
|
|
#if MOBILEAPP
|
|
// avoid memory consumption for single-user local bits.
|
|
// FIXME: arguably should/could do this for single user documents too.
|
|
dontUseCache = true;
|
|
#endif
|
|
|
|
_tileCache.reset(new TileCache(_storage->getUriString(), _lastFileModifiedTime, dontUseCache));
|
|
_tileCache->setThreadOwner(std::this_thread::get_id());
|
|
}
|
|
|
|
#if !MOBILEAPP
|
|
LOOLWSD::dumpNewSessionTrace(getJailId(), sessionId, _uriOrig, _storage->getRootFilePath());
|
|
|
|
// Since document has been loaded, send the stats if its WOPI
|
|
if (wopiStorage != nullptr)
|
|
{
|
|
// Get the time taken to load the file from storage
|
|
auto callDuration = wopiStorage->getWopiLoadDuration();
|
|
// Add the time taken to check file info
|
|
callDuration += getInfoCallDuration;
|
|
const std::string msg = "stats: wopiloadduration " + std::to_string(callDuration.count());
|
|
LOG_TRC("Sending to Client [" << msg << "].");
|
|
session->sendTextFrame(msg);
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool DocumentBroker::saveToStorage(const std::string& sessionId,
|
|
bool success, const std::string& result, bool force)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
if (force)
|
|
{
|
|
LOG_TRC("Document will be saved forcefully to storage.");
|
|
_storage->forceSave();
|
|
}
|
|
|
|
const bool res = saveToStorageInternal(sessionId, success, result);
|
|
|
|
// If marked to destroy, or session is disconnected, remove.
|
|
const auto it = _sessions.find(sessionId);
|
|
if (_markToDestroy || (it != _sessions.end() && it->second->isCloseFrame()))
|
|
disconnectSessionInternal(sessionId);
|
|
|
|
// If marked to destroy, then this was the last session.
|
|
if (_markToDestroy || _sessions.empty())
|
|
{
|
|
// Stop so we get cleaned up and removed.
|
|
_stop = true;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
bool DocumentBroker::saveAsToStorage(const std::string& sessionId, const std::string& saveAsPath, const std::string& saveAsFilename, const bool isRename)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
return saveToStorageInternal(sessionId, true, "", saveAsPath, saveAsFilename, isRename);
|
|
}
|
|
|
|
bool DocumentBroker::saveToStorageInternal(const std::string& sessionId,
|
|
bool success, const std::string& result,
|
|
const std::string& saveAsPath, const std::string& saveAsFilename, const bool isRename)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
// Record that we got a response to avoid timeing out on saving.
|
|
_lastSaveResponseTime = std::chrono::steady_clock::now();
|
|
|
|
const bool isSaveAs = !saveAsPath.empty();
|
|
|
|
// If save requested, but core didn't save because document was unmodified
|
|
// notify the waiting thread, if any.
|
|
LOG_TRC("Saving to storage docKey [" << _docKey << "] for session [" << sessionId <<
|
|
"]. Success: " << success << ", result: " << result);
|
|
if (!success && result == "unmodified" && !isRename)
|
|
{
|
|
LOG_DBG("Save skipped as document [" << _docKey << "] was not modified.");
|
|
_lastSaveTime = std::chrono::steady_clock::now();
|
|
_poll->wakeup();
|
|
return true;
|
|
}
|
|
|
|
const auto it = _sessions.find(sessionId);
|
|
if (it == _sessions.end())
|
|
{
|
|
LOG_ERR("Session with sessionId [" << sessionId << "] not found while saving docKey [" << _docKey << "].");
|
|
return false;
|
|
}
|
|
|
|
// Check that we are actually about to upload a successfully saved document.
|
|
if (!success)
|
|
{
|
|
LOG_ERR("Cannot save docKey [" << _docKey << "], the .uno:Save has failed in LOK.");
|
|
it->second->sendTextFrame("error: cmd=storage kind=savefailed");
|
|
return false;
|
|
}
|
|
|
|
const Authorization auth = it->second->getAuthorization();
|
|
const std::string uri = isSaveAs ? saveAsPath : it->second->getPublicUri().toString();
|
|
|
|
// Map the FileId from the docKey to the new filename to anonymize the new filename as the FileId.
|
|
const std::string newFilename = Util::getFilenameFromURL(uri);
|
|
const std::string fileId = Util::getFilenameFromURL(_docKey);
|
|
if (LOOLWSD::AnonymizeFilenames)
|
|
LOG_DBG("New filename [" << LOOLWSD::anonymizeUrl(newFilename) << "] will be known by its fileId [" << fileId << "]");
|
|
|
|
Util::mapAnonymized(newFilename, fileId);
|
|
const std::string uriAnonym = LOOLWSD::anonymizeUrl(uri);
|
|
|
|
// If the file timestamp hasn't changed, skip saving.
|
|
const Poco::Timestamp newFileModifiedTime = Poco::File(_storage->getRootFilePath()).getLastModified();
|
|
if (!isSaveAs && newFileModifiedTime == _lastFileModifiedTime && !isRename)
|
|
{
|
|
// Nothing to do.
|
|
LOG_DBG("Skipping unnecessary saving to URI [" << uriAnonym << "] with docKey [" << _docKey <<
|
|
"]. File last modified " << _lastFileModifiedTime.elapsed() / 1000000 << " seconds ago.");
|
|
_poll->wakeup();
|
|
return true;
|
|
}
|
|
|
|
LOG_DBG("Persisting [" << _docKey << "] after saving to URI [" << uriAnonym << "].");
|
|
|
|
assert(_storage && _tileCache);
|
|
StorageBase::SaveResult storageSaveResult = _storage->saveLocalFileToStorage(auth, saveAsPath, saveAsFilename, isRename);
|
|
if (storageSaveResult.getResult() == StorageBase::SaveResult::OK)
|
|
{
|
|
if (!isSaveAs && !isRename)
|
|
{
|
|
// Saved and stored; update flags.
|
|
setModified(false);
|
|
_lastFileModifiedTime = newFileModifiedTime;
|
|
_lastSaveTime = std::chrono::steady_clock::now();
|
|
|
|
// Save the storage timestamp.
|
|
_documentLastModifiedTime = _storage->getFileInfo().getModifiedTime();
|
|
|
|
// After a successful save, we are sure that document in the storage is same as ours
|
|
_documentChangedInStorage = false;
|
|
|
|
LOG_DBG("Saved docKey [" << _docKey << "] to URI [" << uriAnonym << "] and updated timestamps. " <<
|
|
" Document modified timestamp: " << _documentLastModifiedTime);
|
|
|
|
// Resume polling.
|
|
_poll->wakeup();
|
|
}
|
|
else if (isRename)
|
|
{
|
|
// encode the name
|
|
const std::string& filename = storageSaveResult.getSaveAsName();
|
|
const std::string url = Poco::URI(storageSaveResult.getSaveAsUrl()).toString();
|
|
std::string encodedName;
|
|
Poco::URI::encode(filename, "", encodedName);
|
|
const std::string filenameAnonym = LOOLWSD::anonymizeUrl(filename);
|
|
|
|
std::ostringstream oss;
|
|
oss << "renamefile: " << "filename=" << encodedName << " url=" << url;
|
|
broadcastMessage(oss.str());
|
|
}
|
|
else
|
|
{
|
|
// normalize the url (mainly to " " -> "%20")
|
|
const std::string url = Poco::URI(storageSaveResult.getSaveAsUrl()).toString();
|
|
|
|
const std::string& filename = storageSaveResult.getSaveAsName();
|
|
|
|
// encode the name
|
|
std::string encodedName;
|
|
Poco::URI::encode(filename, "", encodedName);
|
|
const std::string filenameAnonym = LOOLWSD::anonymizeUrl(filename);
|
|
|
|
std::ostringstream oss;
|
|
oss << "saveas: url=" << url << " filename=" << encodedName
|
|
<< " xfilename=" << filenameAnonym;
|
|
it->second->sendTextFrame(oss.str());
|
|
|
|
LOG_DBG("Saved As docKey [" << _docKey << "] to URI [" << LOOLWSD::anonymizeUrl(url) <<
|
|
"] with name [" << filenameAnonym << "] successfully.");
|
|
}
|
|
|
|
sendLastModificationTime(it->second, this, _documentLastModifiedTime);
|
|
|
|
return true;
|
|
}
|
|
else if (storageSaveResult.getResult() == StorageBase::SaveResult::DISKFULL)
|
|
{
|
|
LOG_WRN("Disk full while saving docKey [" << _docKey << "] to URI [" << uriAnonym <<
|
|
"]. Making all sessions on doc read-only and notifying clients.");
|
|
|
|
// Make everyone readonly and tell everyone that storage is low on diskspace.
|
|
for (const auto& sessionIt : _sessions)
|
|
{
|
|
sessionIt.second->setReadOnly();
|
|
sessionIt.second->sendTextFrame("error: cmd=storage kind=savediskfull");
|
|
}
|
|
}
|
|
else if (storageSaveResult.getResult() == StorageBase::SaveResult::UNAUTHORIZED)
|
|
{
|
|
LOG_ERR("Cannot save docKey [" << _docKey << "] to storage URI [" << uriAnonym <<
|
|
"]. Invalid or expired access token. Notifying client.");
|
|
it->second->sendTextFrame("error: cmd=storage kind=saveunauthorized");
|
|
}
|
|
else if (storageSaveResult.getResult() == StorageBase::SaveResult::FAILED)
|
|
{
|
|
//TODO: Should we notify all clients?
|
|
LOG_ERR("Failed to save docKey [" << _docKey << "] to URI [" << uriAnonym << "]. Notifying client.");
|
|
std::ostringstream oss;
|
|
oss << "error: cmd=storage kind=" << (isRename ? "renamefailed" : "savefailed");
|
|
it->second->sendTextFrame(oss.str());
|
|
}
|
|
else if (storageSaveResult.getResult() == StorageBase::SaveResult::DOC_CHANGED)
|
|
{
|
|
LOG_ERR("PutFile says that Document changed in storage");
|
|
_documentChangedInStorage = true;
|
|
std::string message = "close: documentconflict";
|
|
if (_isModified)
|
|
message = "error: cmd=storage kind=documentconflict";
|
|
|
|
broadcastMessage(message);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void DocumentBroker::setLoaded()
|
|
{
|
|
if (!_isLoaded)
|
|
{
|
|
_isLoaded = true;
|
|
_loadDuration = std::chrono::duration_cast<std::chrono::milliseconds>(
|
|
std::chrono::steady_clock::now() - _threadStart);
|
|
LOG_TRC("Document loaded in " << _loadDuration.count() << "ms");
|
|
}
|
|
}
|
|
|
|
bool DocumentBroker::autoSave(const bool force, const bool dontSaveIfUnmodified)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
LOG_TRC("autoSave(): forceful? " << force);
|
|
if (_sessions.empty() || _storage == nullptr || !_isLoaded ||
|
|
!_childProcess->isAlive() || (!_isModified && !force))
|
|
{
|
|
// Nothing to do.
|
|
LOG_TRC("Nothing to autosave [" << _docKey << "].");
|
|
return false;
|
|
}
|
|
|
|
// Remember the last save time, since this is the predicate.
|
|
LOG_TRC("Checking to autosave [" << _docKey << "].");
|
|
|
|
// Which session to use when auto saving ?
|
|
std::string savingSessionId;
|
|
for (auto& sessionIt : _sessions)
|
|
{
|
|
// Save the document using an editable session, or first ...
|
|
if (savingSessionId.empty() ||
|
|
(!sessionIt.second->isReadOnly() && !sessionIt.second->inWaitDisconnected()))
|
|
{
|
|
savingSessionId = sessionIt.second->getId();
|
|
}
|
|
|
|
// or if any of the sessions is document owner, use that.
|
|
if (sessionIt.second->isDocumentOwner())
|
|
{
|
|
savingSessionId = sessionIt.second->getId();
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool sent = false;
|
|
if (force)
|
|
{
|
|
LOG_TRC("Sending forced save command for [" << _docKey << "].");
|
|
// Don't terminate editing as this can be invoked by the admin OOM, but otherwise force saving anyway.
|
|
// Flag isAutosave=false so the WOPI host wouldn't think this is a regular checkpoint and
|
|
// potentially optimize it away. This is as good as user-issued save, since this is
|
|
// triggered when the document is closed. In the case of network disconnection or browser crash
|
|
// most users would want to have had the chance to hit save before the document unloaded.
|
|
sent = sendUnoSave(savingSessionId, /*dontTerminateEdit=*/true,
|
|
dontSaveIfUnmodified, /*isAutosave=*/false,
|
|
/*isExitSave=*/true);
|
|
}
|
|
else if (_isModified)
|
|
{
|
|
const std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
|
|
const std::chrono::milliseconds::rep inactivityTimeMs = std::chrono::duration_cast<std::chrono::milliseconds>(now - _lastActivityTime).count();
|
|
const std::chrono::milliseconds::rep timeSinceLastSaveMs = std::chrono::duration_cast<std::chrono::milliseconds>(now - _lastSaveTime).count();
|
|
LOG_TRC("Time since last save of docKey [" << _docKey << "] is " << timeSinceLastSaveMs <<
|
|
"ms and most recent activity was " << inactivityTimeMs << "ms ago.");
|
|
|
|
static const int idleSaveDurationMs = LOOLWSD::getConfigValue<int>("per_document.idlesave_duration_secs", 30) * 1000;
|
|
static const int autoSaveDurationMs = LOOLWSD::getConfigValue<int>("per_document.autosave_duration_secs", 300) * 1000;
|
|
bool save = false;
|
|
// Zero or negative config value disables save.
|
|
// Either we've been idle long enough, or it's auto-save time.
|
|
if (idleSaveDurationMs > 0 && inactivityTimeMs >= idleSaveDurationMs)
|
|
{
|
|
save = true;
|
|
}
|
|
if (autoSaveDurationMs > 0 && timeSinceLastSaveMs >= autoSaveDurationMs)
|
|
{
|
|
save = true;
|
|
}
|
|
if (save)
|
|
{
|
|
LOG_TRC("Sending timed save command for [" << _docKey << "].");
|
|
sent = sendUnoSave(savingSessionId, /*dontTerminateEdit=*/true,
|
|
/*dontSaveIfUnmodified=*/true, /*isAutosave=*/true,
|
|
/*isExitSave=*/false);
|
|
}
|
|
}
|
|
|
|
return sent;
|
|
}
|
|
|
|
bool DocumentBroker::sendUnoSave(const std::string& sessionId, bool dontTerminateEdit,
|
|
bool dontSaveIfUnmodified, bool isAutosave, bool isExitSave)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
LOG_INF("Saving doc [" << _docKey << "].");
|
|
|
|
if (_sessions.find(sessionId) != _sessions.end())
|
|
{
|
|
// Invalidate the timestamp to force persisting.
|
|
_lastFileModifiedTime = Poco::Timestamp::fromEpochTime(0);
|
|
|
|
// We do not want save to terminate editing mode if we are in edit mode now
|
|
|
|
std::ostringstream oss;
|
|
// arguments init
|
|
oss << "{";
|
|
|
|
if (dontTerminateEdit)
|
|
{
|
|
oss << "\"DontTerminateEdit\":"
|
|
<< "{"
|
|
<< "\"type\":\"boolean\","
|
|
<< "\"value\":true"
|
|
<< "}";
|
|
}
|
|
|
|
if (dontSaveIfUnmodified)
|
|
{
|
|
if (dontTerminateEdit)
|
|
oss << ",";
|
|
|
|
oss << "\"DontSaveIfUnmodified\":"
|
|
<< "{"
|
|
<< "\"type\":\"boolean\","
|
|
<< "\"value\":true"
|
|
<< "}";
|
|
}
|
|
|
|
// arguments end
|
|
oss << "}";
|
|
|
|
assert(_storage);
|
|
_storage->setIsAutosave(isAutosave || UnitWSD::get().isAutosave());
|
|
_storage->setIsExitSave(isExitSave);
|
|
|
|
const std::string saveArgs = oss.str();
|
|
LOG_TRC(".uno:Save arguments: " << saveArgs);
|
|
const auto command = "uno .uno:Save " + saveArgs;
|
|
forwardToChild(sessionId, command);
|
|
_lastSaveRequestTime = std::chrono::steady_clock::now();
|
|
return true;
|
|
}
|
|
|
|
LOG_ERR("Failed to save doc [" << _docKey << "]: No valid sessions.");
|
|
return false;
|
|
}
|
|
|
|
std::string DocumentBroker::getJailRoot() const
|
|
{
|
|
assert(!_jailId.empty());
|
|
return Poco::Path(LOOLWSD::ChildRoot, _jailId).toString();
|
|
}
|
|
|
|
size_t DocumentBroker::addSession(const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
try
|
|
{
|
|
return addSessionInternal(session);
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_ERR("Failed to add session to [" << _docKey << "] with URI [" << LOOLWSD::anonymizeUrl(session->getPublicUri().toString()) << "]: " << exc.what());
|
|
if (_sessions.empty())
|
|
{
|
|
LOG_INF("Doc [" << _docKey << "] has no more sessions. Marking to destroy.");
|
|
_markToDestroy = true;
|
|
}
|
|
|
|
throw;
|
|
}
|
|
}
|
|
|
|
size_t DocumentBroker::addSessionInternal(const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
try
|
|
{
|
|
// First load the document, since this can fail.
|
|
if (!load(session, _childProcess->getJailId()))
|
|
{
|
|
const auto msg = "Failed to load document with URI [" + session->getPublicUri().toString() + "].";
|
|
LOG_ERR(msg);
|
|
throw std::runtime_error(msg);
|
|
}
|
|
}
|
|
catch (const StorageSpaceLowException&)
|
|
{
|
|
LOG_ERR("Out of storage while loading document with URI [" << session->getPublicUri().toString() << "].");
|
|
|
|
// We use the same message as is sent when some of lool's own locations are full,
|
|
// even if in this case it might be a totally different location (file system, or
|
|
// some other type of storage somewhere). This message is not sent to all clients,
|
|
// though, just to all sessions of this document.
|
|
alertAllUsers("internal", "diskfull");
|
|
throw;
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_ERR("loading document exception: " << exc.what());
|
|
throw;
|
|
}
|
|
|
|
const std::string id = session->getId();
|
|
|
|
// Request a new session from the child kit.
|
|
const std::string aMessage = "session " + id + ' ' + _docKey + ' ' + _docId;
|
|
_childProcess->sendTextFrame(aMessage);
|
|
|
|
#if !MOBILEAPP
|
|
// Tell the admin console about this new doc
|
|
Admin::instance().addDoc(_docKey, getPid(), getFilename(), id, session->getUserName(), session->getUserId());
|
|
#endif
|
|
|
|
// Add and attach the session.
|
|
_sessions.emplace(session->getId(), session);
|
|
session->setState(ClientSession::SessionState::LOADING);
|
|
|
|
const size_t count = _sessions.size();
|
|
LOG_TRC("Added " << (session->isReadOnly() ? "readonly" : "non-readonly") <<
|
|
" session [" << id << "] to docKey [" <<
|
|
_docKey << "] to have " << count << " sessions.");
|
|
|
|
return count;
|
|
}
|
|
|
|
size_t DocumentBroker::removeSession(const std::string& id)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
try
|
|
{
|
|
const auto it = _sessions.find(id);
|
|
if (it == _sessions.end())
|
|
{
|
|
LOG_ERR("Invalid or unknown session [" << id << "] to remove.");
|
|
return _sessions.size();
|
|
}
|
|
|
|
// Last view going away, can destroy.
|
|
_markToDestroy = (_sessions.size() <= 1);
|
|
|
|
const bool lastEditableSession = !it->second->isReadOnly() && !haveAnotherEditableSession(id);
|
|
|
|
LOG_INF("Removing session [" << id << "] on docKey [" << _docKey <<
|
|
"]. Have " << _sessions.size() << " sessions. markToDestroy: " << _markToDestroy <<
|
|
", LastEditableSession: " << lastEditableSession);
|
|
|
|
const auto dontSaveIfUnmodified = !LOOLWSD::getConfigValue<bool>("per_document.always_save_on_exit", false);
|
|
|
|
// If last editable, save and don't remove until after uploading to storage.
|
|
if (!lastEditableSession || !autoSave(isPossiblyModified(), dontSaveIfUnmodified))
|
|
disconnectSessionInternal(id);
|
|
}
|
|
catch (const std::exception& ex)
|
|
{
|
|
LOG_ERR("Error while removing session [" << id << "]: " << ex.what());
|
|
}
|
|
|
|
return _sessions.size();
|
|
}
|
|
|
|
void DocumentBroker::disconnectSessionInternal(const std::string& id)
|
|
{
|
|
assertCorrectThread();
|
|
try
|
|
{
|
|
#if !MOBILEAPP
|
|
Admin::instance().rmDoc(_docKey, id);
|
|
#endif
|
|
auto it = _sessions.find(id);
|
|
if (it != _sessions.end())
|
|
{
|
|
#if !MOBILEAPP
|
|
LOOLWSD::dumpEndSessionTrace(getJailId(), id, _uriOrig);
|
|
#endif
|
|
|
|
LOG_TRC("Disconnect session internal " << id);
|
|
|
|
bool hardDisconnect;
|
|
if (it->second->inWaitDisconnected())
|
|
{
|
|
LOG_TRC("hard disconnecting while waiting for disconnected handshake.");
|
|
hardDisconnect = true;
|
|
}
|
|
else
|
|
{
|
|
hardDisconnect = it->second->disconnectFromKit();
|
|
|
|
// Let the child know the client has disconnected.
|
|
const std::string msg("child-" + id + " disconnect");
|
|
_childProcess->sendTextFrame(msg);
|
|
}
|
|
|
|
if (hardDisconnect)
|
|
finalRemoveSession(id);
|
|
// else wait for disconnected.
|
|
}
|
|
else
|
|
{
|
|
LOG_TRC("Session [" << id << "] not found to disconnect from docKey [" <<
|
|
_docKey << "]. Have " << _sessions.size() << " sessions.");
|
|
}
|
|
}
|
|
catch (const std::exception& ex)
|
|
{
|
|
LOG_ERR("Error while disconnecting session [" << id << "]: " << ex.what());
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::finalRemoveSession(const std::string& id)
|
|
{
|
|
assertCorrectThread();
|
|
try
|
|
{
|
|
auto it = _sessions.find(id);
|
|
if (it != _sessions.end())
|
|
{
|
|
const bool readonly = (it->second ? it->second->isReadOnly() : false);
|
|
|
|
// Remove. The caller must have a reference to the session
|
|
// in question, lest we destroy from underneath them.
|
|
_sessions.erase(it);
|
|
const size_t count = _sessions.size();
|
|
|
|
Log::StreamLogger logger = Log::trace();
|
|
if (logger.enabled())
|
|
{
|
|
logger << "Removed " << (readonly ? "readonly" : "non-readonly")
|
|
<< " session [" << id << "] from docKey ["
|
|
<< _docKey << "] to have " << count << " sessions:";
|
|
for (const auto& pair : _sessions)
|
|
logger << pair.second->getId() << ' ';
|
|
|
|
LOG_END(logger, true);
|
|
}
|
|
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
LOG_TRC("Session [" << id << "] not found to remove from docKey [" <<
|
|
_docKey << "]. Have " << _sessions.size() << " sessions.");
|
|
}
|
|
}
|
|
catch (const std::exception& ex)
|
|
{
|
|
LOG_ERR("Error while removing session [" << id << "]: " << ex.what());
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::addCallback(const SocketPoll::CallbackFn& fn)
|
|
{
|
|
_poll->addCallback(fn);
|
|
}
|
|
|
|
void DocumentBroker::addSocketToPoll(const std::shared_ptr<Socket>& socket)
|
|
{
|
|
_poll->insertNewSocket(socket);
|
|
}
|
|
|
|
void DocumentBroker::alertAllUsers(const std::string& msg)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
if (UnitWSD::get().filterAlertAllusers(msg))
|
|
return;
|
|
|
|
auto payload = std::make_shared<Message>(msg, Message::Dir::Out);
|
|
|
|
LOG_DBG("Alerting all users of [" << _docKey << "]: " << msg);
|
|
for (auto& it : _sessions)
|
|
{
|
|
if (!it.second->inWaitDisconnected())
|
|
it.second->enqueueSendMessage(payload);
|
|
}
|
|
}
|
|
|
|
/// Handles input from the prisoner / child kit process
|
|
bool DocumentBroker::handleInput(const std::vector<char>& payload)
|
|
{
|
|
auto message = std::make_shared<Message>(payload.data(), payload.size(), Message::Dir::Out);
|
|
const auto& msg = message->abbr();
|
|
LOG_TRC("DocumentBroker handling child message: [" << msg << "].");
|
|
|
|
#if !MOBILEAPP
|
|
LOOLWSD::dumpOutgoingTrace(getJailId(), "0", msg);
|
|
#endif
|
|
|
|
if (LOOLProtocol::getFirstToken(message->forwardToken(), '-') == "client")
|
|
{
|
|
forwardToClient(message);
|
|
}
|
|
else
|
|
{
|
|
const auto& command = message->firstToken();
|
|
if (command == "tile:")
|
|
{
|
|
handleTileResponse(payload);
|
|
}
|
|
else if (command == "tilecombine:")
|
|
{
|
|
handleTileCombinedResponse(payload);
|
|
}
|
|
else if (command == "errortoall:")
|
|
{
|
|
LOG_CHECK_RET(message->tokens().size() == 3, false);
|
|
std::string cmd, kind;
|
|
LOOLProtocol::getTokenString((*message)[1], "cmd", cmd);
|
|
LOG_CHECK_RET(cmd != "", false);
|
|
LOOLProtocol::getTokenString((*message)[2], "kind", kind);
|
|
LOG_CHECK_RET(kind != "", false);
|
|
Util::alertAllUsers(cmd, kind);
|
|
}
|
|
#if !MOBILEAPP
|
|
else if (command == "procmemstats:")
|
|
{
|
|
int dirty;
|
|
if (message->getTokenInteger("dirty", dirty))
|
|
{
|
|
Admin::instance().updateMemoryDirty(_docKey, dirty);
|
|
}
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
LOG_ERR("Unexpected message: [" << msg << "].");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void DocumentBroker::invalidateTiles(const std::string& tiles)
|
|
{
|
|
// Remove from cache.
|
|
_tileCache->invalidateTiles(tiles);
|
|
}
|
|
|
|
void DocumentBroker::handleTileRequest(TileDesc& tile,
|
|
const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
assertCorrectThread();
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
tile.setVersion(++_tileVersion);
|
|
const std::string tileMsg = tile.serialize();
|
|
LOG_TRC("Tile request for " << tileMsg);
|
|
|
|
TileCache::Tile cachedTile = _tileCache->lookupTile(tile);
|
|
if (cachedTile)
|
|
{
|
|
const std::string response = tile.serialize("tile:", ADD_DEBUG_RENDERID);
|
|
session->sendTile(response, cachedTile);
|
|
return;
|
|
}
|
|
|
|
if (tile.getBroadcast())
|
|
{
|
|
for (auto& it: _sessions)
|
|
{
|
|
if (!it.second->inWaitDisconnected())
|
|
tileCache().subscribeToTileRendering(tile, it.second);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tileCache().subscribeToTileRendering(tile, session);
|
|
}
|
|
|
|
// Forward to child to render.
|
|
LOG_DBG("Sending render request for tile (" << tile.getPart() << ',' <<
|
|
tile.getTilePosX() << ',' << tile.getTilePosY() << ").");
|
|
const std::string request = "tile " + tileMsg;
|
|
_childProcess->sendTextFrame(request);
|
|
_debugRenderedTileCount++;
|
|
}
|
|
|
|
void DocumentBroker::handleTileCombinedRequest(TileCombined& tileCombined,
|
|
const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
LOG_TRC("TileCombined request for " << tileCombined.serialize());
|
|
|
|
// Check which newly requested tiles need rendering.
|
|
std::vector<TileDesc> tilesNeedsRendering;
|
|
for (auto& tile : tileCombined.getTiles())
|
|
{
|
|
tile.setVersion(++_tileVersion);
|
|
TileCache::Tile cachedTile = _tileCache->lookupTile(tile);
|
|
if(!cachedTile)
|
|
{
|
|
// Not cached, needs rendering.
|
|
tilesNeedsRendering.push_back(tile);
|
|
_debugRenderedTileCount++;
|
|
tileCache().registerTileBeingRendered(tile);
|
|
}
|
|
}
|
|
|
|
// Send rendering request, prerender before we actually send the tiles
|
|
if (!tilesNeedsRendering.empty())
|
|
{
|
|
TileCombined newTileCombined = TileCombined::create(tilesNeedsRendering);
|
|
|
|
// Forward to child to render.
|
|
const std::string req = newTileCombined.serialize("tilecombine");
|
|
LOG_TRC("Sending uncached residual tilecombine request to Kit: " << req);
|
|
_childProcess->sendTextFrame(req);
|
|
}
|
|
|
|
// Accumulate tiles
|
|
std::deque<TileDesc>& requestedTiles = session->getRequestedTiles();
|
|
if (requestedTiles.empty())
|
|
{
|
|
requestedTiles = std::deque<TileDesc>(tileCombined.getTiles().begin(), tileCombined.getTiles().end());
|
|
}
|
|
// Drop duplicated tiles, but use newer version number
|
|
else
|
|
{
|
|
for (const auto& newTile : tileCombined.getTiles())
|
|
{
|
|
const TileDesc& firstOldTile = *(requestedTiles.begin());
|
|
if(!session->isTextDocument() && newTile.getPart() != firstOldTile.getPart())
|
|
{
|
|
LOG_WRN("Different part numbers in tile requests");
|
|
}
|
|
else if (newTile.getTileWidth() != firstOldTile.getTileWidth() ||
|
|
newTile.getTileHeight() != firstOldTile.getTileHeight() )
|
|
{
|
|
LOG_WRN("Different tile sizes in tile requests");
|
|
}
|
|
|
|
bool tileFound = false;
|
|
for (auto& oldTile : requestedTiles)
|
|
{
|
|
if(oldTile.getTilePosX() == newTile.getTilePosX() &&
|
|
oldTile.getTilePosY() == newTile.getTilePosY() )
|
|
{
|
|
oldTile.setVersion(newTile.getVersion());
|
|
oldTile.setOldWireId(newTile.getOldWireId());
|
|
oldTile.setWireId(newTile.getWireId());
|
|
tileFound = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!tileFound)
|
|
requestedTiles.push_back(newTile);
|
|
}
|
|
}
|
|
|
|
lock.unlock();
|
|
lock.release();
|
|
sendRequestedTiles(session);
|
|
}
|
|
|
|
/// lookup in global clipboard cache and send response, send error if missing if @sendError
|
|
bool DocumentBroker::lookupSendClipboardTag(const std::shared_ptr<StreamSocket> &socket,
|
|
const std::string &tag, bool sendError)
|
|
{
|
|
LOG_TRC("Clipboard request " << tag << " not for a live session - check cache.");
|
|
std::shared_ptr<std::string> saved =
|
|
LOOLWSD::SavedClipboards->getClipboard(tag);
|
|
if (saved)
|
|
{
|
|
std::ostringstream oss;
|
|
oss << "HTTP/1.1 200 OK\r\n"
|
|
<< "Last-Modified: " << Poco::DateTimeFormatter::format(Poco::Timestamp(), Poco::DateTimeFormat::HTTP_FORMAT) << "\r\n"
|
|
<< "User-Agent: " << WOPI_AGENT_STRING << "\r\n"
|
|
<< "Content-Length: " << saved->length() << "\r\n"
|
|
<< "Content-Type: application/octet-stream\r\n"
|
|
<< "X-Content-Type-Options: nosniff\r\n"
|
|
<< "\r\n";
|
|
oss.write(saved->c_str(), saved->length());
|
|
#if !MOBILEAPP
|
|
socket->setSocketBufferSize(std::min(saved->length() + 256,
|
|
size_t(Socket::MaximumSendBufferSize)));
|
|
#endif
|
|
socket->send(oss.str());
|
|
socket->shutdown();
|
|
LOG_INF("Found and queued clipboard response for send of size " << saved->length());
|
|
return true;
|
|
}
|
|
|
|
if (!sendError)
|
|
return false;
|
|
|
|
// Bad request.
|
|
std::ostringstream oss;
|
|
oss << "HTTP/1.1 400\r\n"
|
|
<< "Date: " << Poco::DateTimeFormatter::format(Poco::Timestamp(), Poco::DateTimeFormat::HTTP_FORMAT) << "\r\n"
|
|
<< "User-Agent: LOOLWSD WOPI Agent\r\n"
|
|
<< "Content-Length: 0\r\n"
|
|
<< "\r\n"
|
|
<< "Failed to find this clipboard";
|
|
socket->send(oss.str());
|
|
socket->shutdown();
|
|
|
|
return false;
|
|
}
|
|
|
|
void DocumentBroker::handleClipboardRequest(ClipboardRequest type, const std::shared_ptr<StreamSocket> &socket,
|
|
const std::string &viewId, const std::string &tag,
|
|
const std::shared_ptr<std::string> &data)
|
|
{
|
|
for (auto& it : _sessions)
|
|
{
|
|
if (it.second->matchesClipboardKeys(viewId, tag))
|
|
{
|
|
it.second->handleClipboardRequest(type, socket, tag, data);
|
|
return;
|
|
}
|
|
}
|
|
if (!lookupSendClipboardTag(socket, tag, true))
|
|
LOG_ERR("Could not find matching session to handle clipboard request for " << viewId << " tag: " << tag);
|
|
}
|
|
|
|
void DocumentBroker::sendRequestedTiles(const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
// How many tiles we have on the visible area, set the upper limit accordingly
|
|
Util::Rectangle normalizedVisArea = session->getNormalizedVisibleArea();
|
|
|
|
float tilesOnFlyUpperLimit = 0;
|
|
if (normalizedVisArea.hasSurface() && session->getTileWidthInTwips() != 0 && session->getTileHeightInTwips() != 0)
|
|
{
|
|
const int tilesFitOnWidth = std::ceil(normalizedVisArea.getRight() / session->getTileWidthInTwips()) -
|
|
std::ceil(normalizedVisArea.getLeft() / session->getTileWidthInTwips()) + 1;
|
|
const int tilesFitOnHeight = std::ceil(normalizedVisArea.getBottom() / session->getTileHeightInTwips()) -
|
|
std::ceil(normalizedVisArea.getTop() / session->getTileHeightInTwips()) + 1;
|
|
const int tilesInVisArea = tilesFitOnWidth * tilesFitOnHeight;
|
|
|
|
tilesOnFlyUpperLimit = std::max(TILES_ON_FLY_MIN_UPPER_LIMIT, tilesInVisArea * 1.1f);
|
|
}
|
|
else
|
|
{
|
|
tilesOnFlyUpperLimit = 200; // Have a big number here to get all tiles requested by file openning
|
|
}
|
|
|
|
// Drop tiles which we are waiting for too long
|
|
session->removeOutdatedTilesOnFly();
|
|
|
|
// All tiles were processed on client side that we sent last time, so we can send
|
|
// a new banch of tiles which was invalidated / requested in the meantime
|
|
std::deque<TileDesc>& requestedTiles = session->getRequestedTiles();
|
|
if (!requestedTiles.empty())
|
|
{
|
|
size_t delayedTiles = 0;
|
|
std::vector<TileDesc> tilesNeedsRendering;
|
|
size_t beingRendered = _tileCache->countTilesBeingRenderedForSession(session);
|
|
while(session->getTilesOnFlyCount() + beingRendered < tilesOnFlyUpperLimit &&
|
|
!requestedTiles.empty() &&
|
|
// If we delayed all tiles we don't send any tile (we will when next tileprocessed message arrives)
|
|
delayedTiles < requestedTiles.size())
|
|
{
|
|
TileDesc& tile = *(requestedTiles.begin());
|
|
|
|
// We already sent out two versions of the same tile, let's not send the third one
|
|
// until we get a tileprocessed message for this specific tile.
|
|
if (session->countIdenticalTilesOnFly(tile) >= 2)
|
|
{
|
|
requestedTiles.push_back(requestedTiles.front());
|
|
requestedTiles.pop_front();
|
|
delayedTiles += 1;
|
|
LOG_INF("Requested tile was delayed!");
|
|
continue;
|
|
}
|
|
|
|
// Satisfy as many tiles from the cache.
|
|
TileCache::Tile cachedTile = _tileCache->lookupTile(tile);
|
|
if (cachedTile)
|
|
{
|
|
//TODO: Combine the response to reduce latency.
|
|
const std::string response = tile.serialize("tile:", ADD_DEBUG_RENDERID);
|
|
session->sendTile(response, cachedTile);
|
|
}
|
|
else
|
|
{
|
|
// Not cached, needs rendering.
|
|
if (!tileCache().hasTileBeingRendered(tile) || // There is no in progress rendering of the given tile
|
|
tileCache().getTileBeingRenderedVersion(tile) < tile.getVersion()) // We need a newer version
|
|
{
|
|
tile.setVersion(++_tileVersion);
|
|
tilesNeedsRendering.push_back(tile);
|
|
_debugRenderedTileCount++;
|
|
}
|
|
tileCache().subscribeToTileRendering(tile, session);
|
|
beingRendered++;
|
|
}
|
|
requestedTiles.pop_front();
|
|
}
|
|
|
|
// Send rendering request for those tiles which were not prerendered
|
|
if (!tilesNeedsRendering.empty())
|
|
{
|
|
TileCombined newTileCombined = TileCombined::create(tilesNeedsRendering);
|
|
|
|
// Forward to child to render.
|
|
const std::string req = newTileCombined.serialize("tilecombine");
|
|
LOG_TRC("Some of the tiles were not prerendered. Sending residual tilecombine: " << req);
|
|
_childProcess->sendTextFrame(req);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::cancelTileRequests(const std::shared_ptr<ClientSession>& session)
|
|
{
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
// Clear tile requests
|
|
session->clearTilesOnFly();
|
|
|
|
session->getRequestedTiles().clear();
|
|
|
|
session->resetWireIdMap();
|
|
|
|
if (!hasTileCache())
|
|
return;
|
|
|
|
const std::string canceltiles = tileCache().cancelTiles(session);
|
|
if (!canceltiles.empty())
|
|
{
|
|
LOG_DBG("Forwarding canceltiles request: " << canceltiles);
|
|
_childProcess->sendTextFrame(canceltiles);
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::handleTileResponse(const std::vector<char>& payload)
|
|
{
|
|
const std::string firstLine = getFirstLine(payload);
|
|
LOG_DBG("Handling tile: " << firstLine);
|
|
|
|
try
|
|
{
|
|
const size_t length = payload.size();
|
|
if (firstLine.size() < static_cast<std::string::size_type>(length) - 1)
|
|
{
|
|
const TileDesc tile = TileDesc::parse(firstLine);
|
|
const char* buffer = payload.data();
|
|
const size_t offset = firstLine.size() + 1;
|
|
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
tileCache().saveTileAndNotify(tile, buffer + offset, length - offset);
|
|
}
|
|
else
|
|
{
|
|
LOG_WRN("Dropping empty tile response: " << firstLine);
|
|
// They will get re-issued if we don't forget them.
|
|
}
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_ERR("Failed to process tile response [" << firstLine << "]: " << exc.what() << ".");
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::handleTileCombinedResponse(const std::vector<char>& payload)
|
|
{
|
|
const std::string firstLine = getFirstLine(payload);
|
|
LOG_DBG("Handling tile combined: " << firstLine);
|
|
|
|
try
|
|
{
|
|
const size_t length = payload.size();
|
|
if (firstLine.size() < static_cast<std::string::size_type>(length) - 1)
|
|
{
|
|
const TileCombined tileCombined = TileCombined::parse(firstLine);
|
|
const char* buffer = payload.data();
|
|
size_t offset = firstLine.size() + 1;
|
|
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
for (const auto& tile : tileCombined.getTiles())
|
|
{
|
|
tileCache().saveTileAndNotify(tile, buffer + offset, tile.getImgSize());
|
|
offset += tile.getImgSize();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_INF("Dropping empty tilecombine response: " << firstLine);
|
|
// They will get re-issued if we don't forget them.
|
|
}
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_ERR("Failed to process tile response [" << firstLine << "]: " << exc.what() << ".");
|
|
}
|
|
}
|
|
|
|
bool DocumentBroker::haveAnotherEditableSession(const std::string& id) const
|
|
{
|
|
assertCorrectThread();
|
|
|
|
for (const auto& it : _sessions)
|
|
{
|
|
if (it.second->getId() != id &&
|
|
it.second->isViewLoaded() &&
|
|
!it.second->isReadOnly() &&
|
|
!it.second->inWaitDisconnected())
|
|
{
|
|
// This is a loaded session that is non-readonly.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// None found.
|
|
return false;
|
|
}
|
|
|
|
void DocumentBroker::setModified(const bool value)
|
|
{
|
|
if (_isModified != value)
|
|
{
|
|
_isModified = value;
|
|
#if !MOBILEAPP
|
|
Admin::instance().modificationAlert(_docKey, getPid(), value);
|
|
#endif
|
|
}
|
|
|
|
_storage->setUserModified(value);
|
|
}
|
|
|
|
bool DocumentBroker::isInitialSettingSet(const std::string& name) const
|
|
{
|
|
return _isInitialStateSet.find(name) != _isInitialStateSet.end();
|
|
}
|
|
|
|
void DocumentBroker::setInitialSetting(const std::string& name)
|
|
{
|
|
_isInitialStateSet.emplace(name);
|
|
}
|
|
|
|
bool DocumentBroker::forwardToChild(const std::string& viewId, const std::string& message)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
// Ignore userinactive, useractive message until document is loaded
|
|
if (!isLoaded() && (message == "userinactive" || message == "useractive"))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
LOG_TRC("Forwarding payload to child [" << viewId << "]: " << getAbbreviatedMessage(message));
|
|
|
|
if (Log::traceEnabled() && Util::startsWith(message, "paste "))
|
|
LOG_TRC("Logging paste payload (" << message.size() << " bytes) '" << message << "' end paste");
|
|
|
|
std::string msg = "child-" + viewId + ' ' + message;
|
|
|
|
const auto it = _sessions.find(viewId);
|
|
if (it != _sessions.end())
|
|
{
|
|
assert(!_uriJailed.empty());
|
|
|
|
std::vector<std::string> tokens = LOOLProtocol::tokenize(msg);
|
|
if (tokens.size() > 1 && tokens[1] == "load")
|
|
{
|
|
// The json options must come last.
|
|
msg = tokens[0] + ' ' + tokens[1] + ' ' + tokens[2];
|
|
msg += " jail=" + _uriJailed;
|
|
msg += " xjail=" + _uriJailedAnonym;
|
|
msg += ' ' + Poco::cat(std::string(" "), tokens.begin() + 3, tokens.end());
|
|
}
|
|
|
|
_childProcess->sendTextFrame(msg);
|
|
return true;
|
|
}
|
|
|
|
// try the not yet created sessions
|
|
LOG_WRN("Child session [" << viewId << "] not found to forward message: " << getAbbreviatedMessage(message));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool DocumentBroker::forwardToClient(const std::shared_ptr<Message>& payload)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
const std::string& msg = payload->abbr();
|
|
const std::string& prefix = payload->forwardToken();
|
|
LOG_TRC("Forwarding payload to [" << prefix << "]: " << msg);
|
|
|
|
std::string name;
|
|
std::string sid;
|
|
if (LOOLProtocol::parseNameValuePair(payload->forwardToken(), name, sid, '-') && name == "client")
|
|
{
|
|
const auto& data = payload->data().data();
|
|
const auto& size = payload->size();
|
|
|
|
if (sid == "all")
|
|
{
|
|
// Broadcast to all.
|
|
// Events could cause the removal of sessions.
|
|
std::map<std::string, std::shared_ptr<ClientSession>> sessions(_sessions);
|
|
for (const auto& it : _sessions)
|
|
{
|
|
if (!it.second->inWaitDisconnected())
|
|
it.second->handleKitToClientMessage(data, size);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const auto it = _sessions.find(sid);
|
|
if (it != _sessions.end())
|
|
{
|
|
// Take a ref as the session could be removed from _sessions
|
|
// if it's the save confirmation keeping a stopped session alive.
|
|
std::shared_ptr<ClientSession> session = it->second;
|
|
return session->handleKitToClientMessage(data, size);
|
|
}
|
|
else
|
|
{
|
|
LOG_WRN("Client session [" << sid << "] not found to forward message: " << msg);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_ERR("Unexpected prefix of forward-to-client message: " << prefix);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void DocumentBroker::shutdownClients(const std::string& closeReason)
|
|
{
|
|
assertCorrectThread();
|
|
LOG_INF("Terminating " << _sessions.size() << " clients of doc [" << _docKey << "] with reason: " << closeReason);
|
|
|
|
// First copy into local container, since removeSession
|
|
// will erase from _sessions, but will leave the last.
|
|
std::map<std::string, std::shared_ptr<ClientSession>> sessions = _sessions;
|
|
for (const auto& pair : sessions)
|
|
{
|
|
std::shared_ptr<ClientSession> session = pair.second;
|
|
try
|
|
{
|
|
if (session->inWaitDisconnected())
|
|
finalRemoveSession(session->getId());
|
|
else
|
|
{
|
|
// Notify the client and disconnect.
|
|
session->shutdown(WebSocketHandler::StatusCodes::ENDPOINT_GOING_AWAY, closeReason);
|
|
|
|
// Remove session, save, and mark to destroy.
|
|
removeSession(session->getId());
|
|
}
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_WRN("Error while shutting down client [" <<
|
|
session->getName() << "]: " << exc.what());
|
|
}
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::childSocketTerminated()
|
|
{
|
|
assertCorrectThread();
|
|
|
|
if (!_childProcess->isAlive())
|
|
{
|
|
LOG_ERR("Child for doc [" << _docKey << "] terminated prematurely.");
|
|
}
|
|
|
|
// We could restore the kit if this was unexpected.
|
|
// For now, close the connections to cleanup.
|
|
shutdownClients("terminated");
|
|
}
|
|
|
|
void DocumentBroker::terminateChild(const std::string& closeReason)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
LOG_INF("Terminating doc [" << _docKey << "] with reason: " << closeReason);
|
|
|
|
// Close all running sessions first.
|
|
shutdownClients(closeReason);
|
|
|
|
if (_childProcess)
|
|
{
|
|
LOG_INF("Terminating child [" << getPid() << "] of doc [" << _docKey << "].");
|
|
|
|
_childProcess->close();
|
|
}
|
|
|
|
stop(closeReason);
|
|
}
|
|
|
|
void DocumentBroker::closeDocument(const std::string& reason)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
LOG_DBG("Closing DocumentBroker for docKey [" << _docKey << "] with reason: " << reason);
|
|
_closeReason = reason;
|
|
_closeRequest = true;
|
|
}
|
|
|
|
void DocumentBroker::broadcastMessage(const std::string& message)
|
|
{
|
|
assertCorrectThread();
|
|
|
|
LOG_DBG("Broadcasting message [" << message << "] to all sessions.");
|
|
for (const auto& sessionIt : _sessions)
|
|
{
|
|
sessionIt.second->sendTextFrame(message);
|
|
}
|
|
}
|
|
|
|
void DocumentBroker::updateLastActivityTime()
|
|
{
|
|
_lastActivityTime = std::chrono::steady_clock::now();
|
|
#if !MOBILEAPP
|
|
Admin::instance().updateLastActivityTime(_docKey);
|
|
#endif
|
|
}
|
|
|
|
void DocumentBroker::getIOStats(uint64_t &sent, uint64_t &recv)
|
|
{
|
|
sent = 0;
|
|
recv = 0;
|
|
assertCorrectThread();
|
|
for (const auto& sessionIt : _sessions)
|
|
{
|
|
uint64_t s, r;
|
|
sessionIt.second->getIOStats(s, r);
|
|
sent += s;
|
|
recv += r;
|
|
}
|
|
}
|
|
|
|
static std::atomic<size_t> NumConverters;
|
|
|
|
size_t ConvertToBroker::getInstanceCount()
|
|
{
|
|
return NumConverters;
|
|
}
|
|
|
|
ConvertToBroker::ConvertToBroker(const std::string& uri,
|
|
const Poco::URI& uriPublic,
|
|
const std::string& docKey)
|
|
: DocumentBroker(uri, uriPublic, docKey)
|
|
{
|
|
NumConverters++;
|
|
}
|
|
|
|
ConvertToBroker::~ConvertToBroker()
|
|
{
|
|
NumConverters--;
|
|
removeFile(_uriOrig);
|
|
}
|
|
|
|
void ConvertToBroker::removeFile(const std::string &uriOrig)
|
|
{
|
|
if (!uriOrig.empty())
|
|
{
|
|
try {
|
|
// Remove source file and directory
|
|
Poco::Path path = uriOrig;
|
|
Poco::File(path).remove();
|
|
Poco::File(path.makeParent()).remove();
|
|
} catch (const std::exception &ex) {
|
|
LOG_ERR("Error while removing conversion temporary: '" << uriOrig << "' - " << ex.what());
|
|
}
|
|
}
|
|
}
|
|
|
|
std::vector<std::shared_ptr<ClientSession>> DocumentBroker::getSessionsTestOnlyUnsafe()
|
|
{
|
|
std::vector<std::shared_ptr<ClientSession>> result;
|
|
for (auto& it : _sessions)
|
|
result.push_back(it.second);
|
|
return result;
|
|
}
|
|
|
|
void DocumentBroker::dumpState(std::ostream& os)
|
|
{
|
|
std::unique_lock<std::mutex> lock(_mutex);
|
|
|
|
uint64_t sent, recv;
|
|
getIOStats(sent, recv);
|
|
|
|
auto now = std::chrono::steady_clock::now();
|
|
|
|
os << " Broker: " << LOOLWSD::anonymizeUrl(_filename) << " pid: " << getPid();
|
|
if (_markToDestroy)
|
|
os << " *** Marked to destroy ***";
|
|
else
|
|
os << " has live sessions";
|
|
if (_isLoaded)
|
|
os << "\n loaded in: " << _loadDuration.count() << "ms";
|
|
else
|
|
os << "\n still loading... " <<
|
|
std::chrono::duration_cast<std::chrono::seconds>(
|
|
now - _threadStart).count() << "s";
|
|
os << "\n sent: " << sent;
|
|
os << "\n recv: " << recv;
|
|
os << "\n modified?: " << _isModified;
|
|
os << "\n jail id: " << _jailId;
|
|
os << "\n filename: " << LOOLWSD::anonymizeUrl(_filename);
|
|
os << "\n public uri: " << _uriPublic.toString();
|
|
os << "\n jailed uri: " << LOOLWSD::anonymizeUrl(_uriJailed);
|
|
os << "\n doc key: " << _docKey;
|
|
os << "\n doc id: " << _docId;
|
|
os << "\n num sessions: " << _sessions.size();
|
|
const std::time_t t = std::chrono::system_clock::to_time_t(
|
|
std::chrono::time_point_cast<std::chrono::seconds>(
|
|
std::chrono::system_clock::now() + (_lastSaveTime - now)));
|
|
os << "\n last saved: " << std::ctime(&t);
|
|
os << "\n cursor " << _cursorPosX << ", " << _cursorPosY
|
|
<< "( " << _cursorWidth << "," << _cursorHeight << ")\n";
|
|
_tileCache->dumpState(os);
|
|
|
|
_poll->dumpState(os);
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|