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powersync-experience-energy
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Fill in holes in the logs when the clock is changed forward

master
Michael Zanetti 2023-02-09 23:30:47 +01:00
parent 881e7c074c
commit e2f0b50fa8
1 changed files with 54 additions and 5 deletions
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59
plugin/energylogger.cpp
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@ -186,7 +186,7 @@ PowerBalanceLogEntry EnergyLogger::latestLogEntry(SampleRate sampleRate)
}
}
QSqlQuery query(m_db);
QString queryString = "SELECT MAX(timestamp), consumption, production, acquisition, storage, totalConsumption, totalProduction, totalAcquisition, totalReturn FROM powerBalance";
QString queryString = "SELECT MAX(timestamp) as timestamp, consumption, production, acquisition, storage, totalConsumption, totalProduction, totalAcquisition, totalReturn FROM powerBalance";
QVariantList bindValues;
if (sampleRate != SampleRateAny) {
queryString += " WHERE sampleRate = ?";
@ -218,7 +218,7 @@ ThingPowerLogEntry EnergyLogger::latestLogEntry(SampleRate sampleRate, const Thi
}
QSqlQuery query(m_db);
query.prepare("SELECT MAX(timestamp), currentPower, totalConsumption, totalProduction from thingPower WHERE sampleRate = ? AND thingId = ?;");
query.prepare("SELECT MAX(timestamp) as timestamp, currentPower, totalConsumption, totalProduction from thingPower WHERE sampleRate = ? AND thingId = ?;");
query.addBindValue(sampleRate);
query.addBindValue(thingId);
if (!query.exec()) {
@ -301,7 +301,30 @@ void EnergyLogger::sample()
QDateTime sampleEnd = m_nextSamples.value(SampleRate1Min);
QDateTime sampleStart = sampleEnd.addMSecs(-60 * 1000);
qCDebug(dcEnergyExperience()) << "Sampling power balance for 1 min" << sampleEnd.toString();
PowerBalanceLogEntry newestInDB = latestLogEntry(SampleRate1Min);
qCDebug(dcEnergyExperience()) << "Sampling power balance for 1 min from" << sampleStart.toString() << sampleEnd.toString() << "newest in DB:" << newestInDB.timestamp().toString();
if (newestInDB.timestamp().isValid() && newestInDB.timestamp() < sampleStart) {
QDateTime oldestTimestamp = sampleStart.addMSecs(-(qint64)m_maxMinuteSamples * 60 * 1000);
QDateTime timestamp = newestInDB.timestamp();
if (oldestTimestamp > newestInDB.timestamp()) {
// In this case we'd be adding m_maxMinuteSamples of 0 values but trim anything before
// Spare the time by just adding the latest one to keep the totals
timestamp = sampleStart.addMSecs(-60000);
}
qCWarning(dcEnergyExperience()).nospace() << "Clock skew detected. Adding missing samples.";
QDateTime now = QDateTime::currentDateTime();
int i = 0;
m_db.transaction();
while (timestamp < sampleStart) {
timestamp = timestamp.addMSecs(60000);
insertPowerBalance(timestamp, SampleRate1Min, 0, 0, 0, 0, newestInDB.totalConsumption(), newestInDB.totalProduction(), newestInDB.totalAcquisition(), newestInDB.totalReturn());
i++;
}
m_db.commit();
qCDebug(dcEnergyExperience()) << "Added missing" << i << "minute-samples in" << now.msecsTo(QDateTime::currentDateTime()) << "ms";
}
double medianConsumption = 0;
double medianProduction = 0;
@ -337,8 +360,27 @@ void EnergyLogger::sample()
insertPowerBalance(sampleEnd, SampleRate1Min, medianConsumption, medianProduction, medianAcquisition, medianStorage, totalConsumption, totalProduction, totalAcquisition, totalReturn);
foreach (const ThingId &thingId, m_thingsPowerLiveLogs.keys()) {
ThingPowerLogEntry newestInDB = latestLogEntry(SampleRate1Min, thingId);
qCDebug(dcEnergyExperience()) << "Sampling thing power for" << thingId.toString() << SampleRate1Min << "from" << sampleStart.toString() << "to" << sampleEnd.toString() << "newest in DB" << newestInDB.timestamp().toString();
if (newestInDB.timestamp().isValid() && newestInDB.timestamp() < sampleStart) {
QDateTime oldestTimestamp = sampleStart.addMSecs(-(qint64)m_maxMinuteSamples * 60 * 1000);
QDateTime timestamp = qMax(newestInDB.timestamp(), oldestTimestamp);
qCWarning(dcEnergyExperience()).nospace() << "Clock skew detected. Adding missing samples.";
QDateTime now = QDateTime::currentDateTime();
int i = 0;
m_db.transaction();
while (timestamp < sampleStart) {
timestamp = timestamp.addMSecs(60000);
insertThingPower(timestamp, SampleRate1Min, thingId, 0, newestInDB.totalConsumption(), newestInDB.totalProduction());
i++;
}
m_db.commit();
qCDebug(dcEnergyExperience()) << "Added missing" << i << "minute-samples in" << now.msecsTo(QDateTime::currentDateTime()) << "ms";
}
double medianPower = 0;
qCDebug(dcEnergyExperience()) << "Sampling thing power for" << thingId.toString() << SampleRate1Min << sampleEnd.toString();
ThingPowerLogEntries entries = m_thingsPowerLiveLogs.value(thingId);
for (int i = 0; i < entries.count(); i++) {
const ThingPowerLogEntry &entry = entries.at(i);
@ -367,6 +409,14 @@ void EnergyLogger::sample()
if (now >= m_nextSamples.value(sampleRate)) {
QDateTime sampleTime = m_nextSamples.value(sampleRate);
SampleRate baseSampleRate = m_configs.value(sampleRate).baseSampleRate;
QDateTime sampleStart = calculateSampleStart(sampleTime, sampleRate);
QDateTime newestInDB = getNewestPowerBalanceSampleTimestamp(sampleRate);
if (newestInDB < sampleStart) {
qCWarning(dcEnergyExperience()) << "Clock skew detected. Recovering samples...";
rectifySamples(sampleRate, baseSampleRate);
}
samplePowerBalance(sampleRate, baseSampleRate, sampleTime);
sampleThingsPower(sampleRate, baseSampleRate, sampleTime);
}
@ -816,7 +866,6 @@ bool EnergyLogger::sampleThingsPower(SampleRate sampleRate, SampleRate baseSampl
bool EnergyLogger::sampleThingPower(const ThingId &thingId, SampleRate sampleRate, SampleRate baseSampleRate, const QDateTime &sampleEnd)
{
QDateTime sampleStart = calculateSampleStart(sampleEnd, sampleRate);
qCDebug(dcEnergyExperience()) << "Sampling thing power for" << thingId.toString() << sampleRate << "from" << sampleStart.toString() << "to" << sampleEnd.toString();
double medianCurrentPower = 0;