bc7fa9a812
Change-Id: I23635599b008fb0bfa694b4e73cb8f18f49c8ab7 Reviewed-on: https://gerrit.libreoffice.org/39170 Reviewed-by: pranavk <pranavk@collabora.co.uk> Tested-by: pranavk <pranavk@collabora.co.uk>
290 lines
7.9 KiB
C++
290 lines
7.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_ADMINMODEL_HPP
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#define INCLUDED_ADMINMODEL_HPP
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#include <memory>
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#include <set>
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#include <string>
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#include <Poco/Process.h>
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#include "Log.hpp"
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#include "net/WebSocketHandler.hpp"
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#include "Util.hpp"
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/// A client view in Admin controller.
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class View
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{
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public:
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View(const std::string& sessionId, const std::string& userName, const std::string& userId) :
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_sessionId(sessionId),
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_userName(userName),
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_userId(userId),
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_start(std::time(nullptr))
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{
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}
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void expire() { _end = std::time(nullptr); }
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std::string getUserName() const { return _userName; }
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std::string getUserId() const { return _userId; }
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std::string getSessionId() const { return _sessionId; }
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bool isExpired() const { return _end != 0 && std::time(nullptr) >= _end; }
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private:
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const std::string _sessionId;
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const std::string _userName;
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const std::string _userId;
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const std::time_t _start;
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std::time_t _end = 0;
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};
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struct DocProcSettings
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{
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size_t LimitVirtMemMb;
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size_t LimitDataMemKb;
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size_t LimitStackMemKb;
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size_t LimitFileSizeMb;
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};
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/// A document in Admin controller.
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class Document
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{
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public:
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Document(const std::string& docKey,
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Poco::Process::PID pid,
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const std::string& filename)
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: _docKey(docKey),
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_pid(pid),
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_filename(filename),
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_memoryDirty(0),
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_lastJiffy(0),
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_start(std::time(nullptr)),
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_lastActivity(_start),
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_sentBytes(0),
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_recvBytes(0)
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{
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}
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Poco::Process::PID getPid() const { return _pid; }
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std::string getFilename() const { return _filename; }
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bool isExpired() const { return _end != 0 && std::time(nullptr) >= _end; }
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std::time_t getElapsedTime() const { return std::time(nullptr) - _start; }
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std::time_t getIdleTime() const { return std::time(nullptr) - _lastActivity; }
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void addView(const std::string& sessionId, const std::string& userName, const std::string& userId);
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int expireView(const std::string& sessionId);
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unsigned getActiveViews() const { return _activeViews; }
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unsigned getLastJiffies() const { return _lastJiffy; }
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void setLastJiffies(size_t newJ) { _lastJiffy = newJ; }
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const std::map<std::string, View>& getViews() const { return _views; }
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void updateLastActivityTime() { _lastActivity = std::time(nullptr); }
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bool updateMemoryDirty(int dirty);
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int getMemoryDirty() const { return _memoryDirty; }
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std::pair<std::time_t, std::string> getSnapshot() const;
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const std::string getHistory() const;
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void takeSnapshot();
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void setModified(bool value) { _isModified = value; }
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bool getModifiedStatus() const { return _isModified; }
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void addBytes(uint64_t sent, uint64_t recv)
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{
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_sentBytes += sent;
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_recvBytes += recv;
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}
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const DocProcSettings& getDocProcSettings() const { return _docProcSettings; }
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void setDocProcSettings(const DocProcSettings& docProcSettings) { _docProcSettings = docProcSettings; }
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std::string to_string() const;
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private:
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bool _isModified;
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const std::string _docKey;
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const Poco::Process::PID _pid;
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/// SessionId mapping to View object
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std::map<std::string, View> _views;
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/// Total number of active views
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unsigned _activeViews = 0;
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/// Hosted filename
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std::string _filename;
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/// The dirty (ie. un-shared) memory of the document's Kit process.
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int _memoryDirty;
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/// Last noted Jiffy count
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unsigned _lastJiffy;
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std::time_t _start;
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std::time_t _lastActivity;
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std::time_t _end = 0;
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std::map<std::time_t,std::string> _snapshots;
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/// Total bytes sent and recv'd by this document.
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uint64_t _sentBytes, _recvBytes;
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/// Per-doc kit process settings.
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DocProcSettings _docProcSettings;
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};
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/// An Admin session subscriber.
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class Subscriber
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{
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public:
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Subscriber(int sessionId, const std::weak_ptr<WebSocketHandler>& ws)
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: _sessionId(sessionId),
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_ws(ws),
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_start(std::time(nullptr))
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{
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LOG_INF("Subscriber ctor.");
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}
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~Subscriber()
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{
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LOG_INF("Subscriber dtor.");
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}
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bool notify(const std::string& message);
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bool subscribe(const std::string& command);
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void unsubscribe(const std::string& command);
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void expire() { _end = std::time(nullptr); }
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bool isExpired() const { return _end != 0 && std::time(nullptr) >= _end; }
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private:
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/// Admin session Id
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int _sessionId;
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/// The underlying AdminRequestHandler
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std::weak_ptr<WebSocketHandler> _ws;
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std::set<std::string> _subscriptions;
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std::time_t _start;
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std::time_t _end = 0;
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};
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/// The Admin controller implementation.
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class AdminModel
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{
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public:
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AdminModel() :
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_owner(std::this_thread::get_id())
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{
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LOG_INF("AdminModel ctor.");
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}
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~AdminModel();
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/// All methods here must be called from the Admin socket-poll
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void setThreadOwner(const std::thread::id &id) { _owner = id; }
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/// In debug mode check that code is running in the correct thread.
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/// Asserts in the debug builds, otherwise just logs.
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void assertCorrectThread() const;
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std::string query(const std::string& command);
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std::string getAllHistory() const;
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/// Returns memory consumed by all active loolkit processes
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unsigned getKitsMemoryUsage();
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size_t getKitsJiffies();
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void subscribe(int sessionId, const std::weak_ptr<WebSocketHandler>& ws);
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void subscribe(int sessionId, const std::string& command);
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void unsubscribe(int sessionId, const std::string& command);
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void modificationAlert(const std::string& docKey, Poco::Process::PID pid, bool value);
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void clearMemStats() { _memStats.clear(); }
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void clearCpuStats() { _cpuStats.clear(); }
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void addMemStats(unsigned memUsage);
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void addCpuStats(unsigned cpuUsage);
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void addSentStats(uint64_t sent);
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void addRecvStats(uint64_t recv);
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void setCpuStatsSize(unsigned size);
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void setMemStatsSize(unsigned size);
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void notify(const std::string& message);
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void addDocument(const std::string& docKey, Poco::Process::PID pid, const std::string& filename, const std::string& sessionId, const std::string& userName, const std::string& userId);
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void removeDocument(const std::string& docKey, const std::string& sessionId);
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void removeDocument(const std::string& docKey);
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void updateLastActivityTime(const std::string& docKey);
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void updateMemoryDirty(const std::string& docKey, int dirty);
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void addBytes(const std::string& docKey, uint64_t sent, uint64_t recv);
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uint64_t getSentBytesTotal() { return _sentBytesTotal; }
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uint64_t getRecvBytesTotal() { return _recvBytesTotal; }
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private:
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std::string getMemStats();
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std::string getSentActivity();
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std::string getRecvActivity();
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std::string getCpuStats();
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unsigned getTotalActiveViews();
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std::string getDocuments() const;
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private:
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std::map<int, Subscriber> _subscribers;
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std::map<std::string, Document> _documents;
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std::map<std::string, Document> _expiredDocuments;
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/// The last N total memory Dirty size.
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std::list<unsigned> _memStats;
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unsigned _memStatsSize = 100;
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std::list<unsigned> _cpuStats;
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unsigned _cpuStatsSize = 100;
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std::list<unsigned> _sentStats;
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unsigned _sentStatsSize = 100;
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std::list<unsigned> _recvStats;
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unsigned _recvStatsSize = 100;
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uint64_t _sentBytesTotal;
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uint64_t _recvBytesTotal;
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/// We check the owner even in the release builds, needs to be always correct.
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std::thread::id _owner;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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