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468 lines
16 KiB
C++
468 lines
16 KiB
C++
/* SleepLib Session Header
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*
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* This stuff contains the session calculation smarts
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*
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* Copyright (c) 2019 The OSCAR Team
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* Copyright (C) 2011-2018 Mark Watkins <mark@jedimark.net>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of the source code
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* for more details. */
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#ifndef SESSION_H
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#define SESSION_H
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// this is added as DEFINES += SESSION_DEBUG in the Qmake line
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// to see how the Resmed loader assigns files to sessions
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// #define SESSION_DEBUG
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#include <QDebug>
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#include <QHash>
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#include <QVector>
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#include "SleepLib/machine.h"
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#include "SleepLib/schema.h"
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#include "SleepLib/event.h"
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//class EventList;
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class Machine;
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enum SliceStatus {
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UnknownStatus=0, EquipmentOff, MaskOn, MaskOff // is there an EquipmentOn?
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};
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class SessionSlice
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{
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public:
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SessionSlice() {
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start = end = 0;
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status = UnknownStatus;
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}
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SessionSlice(const SessionSlice & copy) {
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start = copy.start;
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end = copy.end;
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status = copy.status;
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}
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SessionSlice(qint64 start, qint64 end, SliceStatus status):start(start), end(end), status(status) {}
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qint64 start;
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qint64 end;
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SliceStatus status;
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};
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/*! \class Session
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\brief Contains a single Sessions worth of machine event/waveform information.
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This class also contains all the primary database logic for SleepLib
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*/
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class Session
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{
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friend class Day;
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friend class Machine;
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public:
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/*! \fn Session(Machine *,SessionID);
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\brief Create a session object belonging to Machine, with supplied SessionID
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If sessionID is 0, the next in sequence will be picked
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*/
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Session(Machine *, SessionID);
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virtual ~Session();
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//! \brief Checks whether the supplied time is within the bounds of this session (ms since epoch)
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inline bool checkInside(qint64 time) {
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return ((time >= s_first) && (time <= s_last));
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}
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//! \brief Stores the session in the directory supplied by path
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bool Store(QString path);
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//! \brief Writes the Sessions Summary Indexes to filename, in SleepLibs custom data format.
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bool StoreSummary();
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// //! \brief Save the Sessions Summary Indexes to the stream
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// void StoreSummaryData(QDataStream & out) const;
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//! \brief Writes the Sessions EventLists to filename, in SleepLibs custom data format.
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bool StoreEvents();
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//bool Load(QString path);
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// //! \brief Loads the Sessions Summary Indexes from stream
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// void LoadSummaryData(QDataStream & in);
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//! \brief Loads the Sessions Summary Indexes from filename, from SleepLibs custom data format.
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bool LoadSummary();
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//! \brief Loads the Sessions EventLists from filename, from SleepLibs custom data format.
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bool LoadEvents(QString filename);
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//! \brief Loads the events for this session when requested (only the summaries are loaded at startup)
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bool OpenEvents();
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//! \brief Put the events away until needed again, freeing memory
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void TrashEvents();
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//! \brief Returns true if session contains an empty duration
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inline bool isEmpty() { return (s_first == s_last); }
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//! \brief Search for Event code happening at supplied time (ms since epoch)
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EventDataType SearchValue(ChannelID code, qint64 time, bool square);
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//! \brief Return the sessionID
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inline const SessionID &session() {
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return s_session;
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}
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//! \brief Returns whether or not session is being used.
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inline bool enabled() const { return s_enabled; }
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//! \brief Sets whether or not session is being used.
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void setEnabled(bool b);
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//! \brief Return the earliest time in session (in milliseconds since epoch)
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inline qint64 realFirst() const { return s_first; }
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//! \brief Return the latest time in session (in milliseconds since epoch)
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inline qint64 realLast() const { return s_last; }
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//! \brief Return the start of this sessions time range, adjusted for clock drift (in milliseconds since epoch)
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qint64 first();
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//! \brief Return the end of this sessions time range, adjusted for clock drift (in milliseconds since epoch)
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qint64 last();
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//! \brief Return the millisecond length of this session
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qint64 length() {
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return s_last - s_first;
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// qint64 t;
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// int size = m_slices.size();
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// if (size == 0) {
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// t = (s_last - s_first);
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// } else {
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// t = 0;
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// for (int i=0; i<size; ++i) {
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// const SessionSlice & slice = m_slices.at(i);
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// if (slice.status == MaskOn) {
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// t += slice.end - slice.start;
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// }
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// }
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// }
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// return t;
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}
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//! \brief Set this Sessions ID (Not does not update indexes)
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void SetSessionID(SessionID s) {
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s_session = s;
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}
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//! \brief Moves all of this session data by offset d milliseconds
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void offsetSession(qint64 d);
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//! \brief Just set the start of the timerange without comparing
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void really_set_first(qint64 d) { s_first = d; }
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//! \brief Just set the end of the timerange without comparing
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void really_set_last(qint64 d) { s_last = d; }
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//! \brief Set time to lower of 'd' and existing s_first
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void set_first(qint64 d) {
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if (!s_first) { s_first = d; }
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else if (d < s_first) { s_first = d; }
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}
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//! \brief Set last time to higher of 'd' and existing s_last. Throw warning if 'd' less than s_first.
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void set_last(qint64 d) {
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if (d <= s_first) {
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qWarning() << s_session << "Session::set_last() d<=s_first, d" << d << "s_first" << s_first;
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return;
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}
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if (!s_last) { s_last = d; }
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else if (s_last < d) { s_last = d; }
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}
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//! \brief Return Session Length in decimal hours
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double hours() {
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double t;
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int size = m_slices.size();
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if (size == 0) {
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t = (s_last - s_first) / 3600000.0;
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} else {
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t = 0;
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for (int i=0; i<size; ++i) {
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const SessionSlice & slice = m_slices.at(i);
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if (slice.status == MaskOn) {
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t += slice.end - slice.start;
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}
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}
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}
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return t;
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}
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//! \brief Flag this Session as dirty, so Machine object can save it
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void SetChanged(bool val) {
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s_changed = val;
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s_events_loaded = val; // dirty hack putting this here
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}
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//! \brief Return this Sessions dirty status
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bool IsChanged() {
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return s_changed;
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}
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//! \brief Return the unit type string used by events of supplied channel
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QString dimension(ChannelID);
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//! \brief Contains all the EventLists, indexed by ChannelID
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QHash<ChannelID, QVector<EventList *> > eventlist;
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//! \brief Sessions Settings List, contianing single settings for this session.
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QHash<ChannelID, QVariant> settings;
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// Session caches
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QHash<ChannelID, EventDataType> m_cnt;
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QHash<ChannelID, double> m_sum;
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QHash<ChannelID, EventDataType> m_avg;
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QHash<ChannelID, EventDataType> m_wavg;
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QHash<ChannelID, EventDataType> m_min; // The actual minimum
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QHash<ChannelID, EventDataType> m_max;
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// This could go in channels, but different machines interpret it differently
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// Under the new SleepyLib data Device model this can be done, but unfortunately not here..
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QHash<ChannelID, EventDataType> m_physmin; // The physical minimum for graph display purposes
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QHash<ChannelID, EventDataType> m_physmax; // The physical maximum
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QHash<ChannelID, EventDataType> m_cph; // Counts per hour (eg AHI)
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QHash<ChannelID, EventDataType> m_sph; // % indice (eg % night in CSR)
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QHash<ChannelID, quint64> m_firstchan;
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QHash<ChannelID, quint64> m_lastchan;
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QHash<ChannelID, QHash<EventStoreType, EventStoreType> > m_valuesummary;
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QHash<ChannelID, QHash<EventStoreType, quint32> > m_timesummary;
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QHash<ChannelID, EventDataType> m_gain;
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QHash<ChannelID, EventDataType> m_lowerThreshold;
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QHash<ChannelID, EventDataType> m_timeBelowTheshold;
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QHash<ChannelID, EventDataType> m_upperThreshold;
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QHash<ChannelID, EventDataType> m_timeAboveTheshold;
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QList<ChannelID> m_availableChannels;
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QList<ChannelID> m_availableSettings;
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QVector<SessionSlice> m_slices;
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//! \brief Generates sum and time data for each distinct value in 'code' events..
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void updateCountSummary(ChannelID code);
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//! \brief Destroy any trace of event 'code', freeing any memory if loaded.
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void destroyEvent(ChannelID code);
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// UpdateSummaries may recalculate all these, but it may be faster setting upfront
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void setCount(ChannelID id, EventDataType val) { m_cnt[id] = val; }
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void setSum(ChannelID id, EventDataType val) { m_sum[id] = val; }
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void setMin(ChannelID id, EventDataType val) { m_min[id] = val; }
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void setMax(ChannelID id, EventDataType val) { m_max[id] = val; }
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void setPhysMin(ChannelID id, EventDataType val) { m_physmin[id] = val; }
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void setPhysMax(ChannelID id, EventDataType val) { m_physmax[id] = val; }
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void updateMin(ChannelID id, EventDataType val) {
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QHash<ChannelID, EventDataType>::iterator i = m_min.find(id);
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if (i == m_min.end()) {
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m_min[id] = val;
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} else if (i.value() > val) {
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i.value() = val;
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}
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}
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void updateMax(ChannelID id, EventDataType val) {
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QHash<ChannelID, EventDataType>::iterator i = m_max.find(id);
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if (i == m_max.end()) {
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m_max[id] = val;
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} else if (i.value() < val) {
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i.value() = val;
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}
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}
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void setAvg(ChannelID id, EventDataType val) { m_avg[id] = val; }
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void setWavg(ChannelID id, EventDataType val) { m_wavg[id] = val; }
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// void setMedian(ChannelID id,EventDataType val) { m_med[id]=val; }
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// void set90p(ChannelID id,EventDataType val) { m_90p[id]=val; }
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// void set95p(ChannelID id,EventDataType val) { m_95p[id]=val; }
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void setCph(ChannelID id, EventDataType val) { m_cph[id] = val; }
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void setSph(ChannelID id, EventDataType val) { m_sph[id] = val; }
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void setFirst(ChannelID id, qint64 val) { m_firstchan[id] = val; }
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void setLast(ChannelID id, qint64 val) { m_lastchan[id] = val; }
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EventDataType count(ChannelID id);
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//! \brief Returns the Count of all events of type id between time range
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EventDataType rangeCount(ChannelID id, qint64 first, qint64 last);
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//! \brief Returns the Sum of all events of type id between time range
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double rangeSum(ChannelID id, qint64 first, qint64 last);
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//! \brief Returns the minimum of events of type id between time range
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EventDataType rangeMin(ChannelID id, qint64 first, qint64 last);
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//! \brief Returns the maximum of events of type id between time range
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EventDataType rangeMax(ChannelID id, qint64 first, qint64 last);
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//! \brief Returns the count of code events inside span flag event durations
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EventDataType countInsideSpan(ChannelID span, ChannelID code);
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//! \brief Returns (and caches) the Sum of all events of type id
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double sum(ChannelID id);
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//! \brief Returns (and caches) the Average of all events of type id
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EventDataType avg(ChannelID id);
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//! \brief Returns (and caches) the Time Weighted Average of all events of type id
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EventDataType wavg(ChannelID i);
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//! \brief Returns (and caches) the Minimum of all events of type id
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EventDataType Min(ChannelID id);
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//! \brief Returns (and caches) the Maximum of all events of type id
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EventDataType Max(ChannelID id);
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//! \brief Returns (and caches) the Minimum of all events of type id
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EventDataType physMin(ChannelID id);
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//! \brief Returns (and caches) the Maximum of all events of type id
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EventDataType physMax(ChannelID id);
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//! \brief Returns (and caches) the 90th Percentile of all events of type id
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EventDataType p90(ChannelID id);
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//! \brief Returns (and caches) the 95th Percentile of all events of type id
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EventDataType p95(ChannelID id);
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//! \brief Returns (and caches) the Median (50th Perc) of all events of type id
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EventDataType median(ChannelID id);
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//! \brief Returns (and caches) the Count-Per-Hour of all events of type id
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EventDataType cph(ChannelID id);
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//! \brief Returns (and caches) the Sum-Per-Hour of all events of type id
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EventDataType sph(ChannelID id);
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//! \brief Returns (without caching) the requested Percentile of all events of type id
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EventDataType percentile(ChannelID id, EventDataType percentile);
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//! \brief Returns the amount of time (in decimal minutes) the Channel spent above the threshold
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EventDataType timeAboveThreshold(ChannelID id, EventDataType threshold);
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//! \brief Returns the amount of time (in decimal minutes) the Channel spent below the threshold
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EventDataType timeBelowThreshold(ChannelID id, EventDataType threshold);
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//! \brief According to preferences..
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EventDataType calcMiddle(ChannelID code);
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EventDataType calcMax(ChannelID code);
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EventDataType calcPercentile(ChannelID code);
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//! \brief Returns true if the channel has events loaded, or a record of a count for when they are not
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bool channelExists(ChannelID name);
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//! \brief Returns true if the channel has event data available (must be loaded first)
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bool channelDataExists(ChannelID id);
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bool IsLoneSession() { return s_lonesession; }
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void SetLoneSession(bool b) { s_lonesession = b; }
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bool eventsLoaded() { return s_events_loaded; }
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//! \brief Update this sessions first time if it's less than the current record
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inline void updateFirst(qint64 v) { if (!s_first) { s_first = v; } else if (s_first > v) { s_first = v; } }
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//! \brief Update this sessions latest time if it's more than the current record
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inline void updateLast(qint64 v) { if (!s_last) { s_last = v; } else if (s_last < v) { s_last = v; } }
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//! \brief Returns (and caches) the first time for Channel code
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qint64 first(ChannelID code);
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//! \brief Returns (and caches) the last time for Channel code
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qint64 last(ChannelID code);
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//! \brief Regenerates the Session Index Caches, and calls the fun calculation functions
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void UpdateSummaries();
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//! \brief Creates and returns a new EventList for the supplied Channel code
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EventList *AddEventList(ChannelID code, EventListType et, EventDataType gain = 1.0,
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EventDataType offset = 0.0, EventDataType min = 0.0, EventDataType max = 0.0,
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EventDataType rate = 0.0, bool second_field = false);
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//! \brief Returns this sessions MachineID
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Machine *machine() { return s_machine; }
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//! \brief Returns true if session only contains summary data
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inline bool summaryOnly() { return s_summaryOnly; }
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//! \brief Returns true if there are no settings for this session
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inline bool noSettings() { return s_noSettings; }
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//! \brief Mark this session as containing summary data only or not (true, false)
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inline void setSummaryOnly(bool b) { s_summaryOnly = b; }
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//! \brief Mark this ssession as having settings data or not (true, false)
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inline void setNoSettings(bool b) { s_noSettings = b; }
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//! \brief Mark whether this session has loaded data (true, false)
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void setOpened(bool b = true) {
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s_events_loaded = b;
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s_summary_loaded = b;
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}
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//! \brief Completely purges Session from memory and disk.
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bool Destroy();
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void wipeSummary() {
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s_first = s_last = 0;
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s_enabled = true;
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m_cph.clear();
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m_sum.clear();
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m_cnt.clear();
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}
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QString eventFile() const;
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//! \brief Returns MachineType for this session
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MachineType type() { return s_machtype; }
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#ifdef SESSION_DEBUG
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QStringList session_files;
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#endif
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protected:
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SessionID s_session;
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Machine *s_machine;
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//! \brief Time session begins (in ms since epoch)
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qint64 s_first;
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//! \brief Time session ends (in ms since epoch)
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qint64 s_last;
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bool s_changed;
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bool s_lonesession;
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bool s_evchecksum_checked;
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bool _first_session;
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bool s_summaryOnly;
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//! \brief True if there are no settings for this session
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bool s_noSettings;
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bool s_summary_loaded;
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bool s_events_loaded;
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bool s_enabled;
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// for debugging
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bool destroyed;
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MachineType s_machtype;
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};
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QDataStream & operator<<(QDataStream & out, const Session & session);
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QDataStream & operator>>(QDataStream & in, Session & session);
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#endif // SESSION_H
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