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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <QDebug>
#include <QObject> // tr()
#include <QTimer>
#include <QDir>
#include "common/resource.h"
#include "common/storage.h"
#include "common/resourceconfig.h"
#include "common/log.h"
#include "common/storage.h"
#include "common/definitions.h"
#include "sinksh_utils.h"
#include "state.h"
#include "syntaxtree.h"
namespace SinkStat
{
void statResource(const QString &resource, const State &state)
{
state.printLine("Resource " + resource + ":");
qint64 total = 0;
Sink::Storage::DataStore storage(Sink::storageLocation(), resource, Sink::Storage::DataStore::ReadOnly);
auto transaction = storage.createTransaction(Sink::Storage::DataStore::ReadOnly);
QList<QByteArray> databases = transaction.getDatabaseNames();
for (const auto &databaseName : databases) {
auto db = transaction.openDatabase(databaseName);
qint64 size = db.getSize() / 1024;
state.printLine(QObject::tr("%1:\t%2 [kb]").arg(QString(databaseName)).arg(size), 1);
total += size;
}
state.printLine();
state.printLine(QObject::tr("Calculated named database sizes total of main database: %1 [kb]").arg(total), 1);
auto stat = transaction.stat(false);
state.printLine(QObject::tr("Total calculated free size [kb]: %1").arg(stat.freePages * stat.pageSize / 1024), 1);
state.printLine(QObject::tr("Write amplification of main database: %1").arg(double(storage.diskUsage() / 1024)/double(total)), 1);
int diskUsage = 0;
state.printLine();
QDir dir(Sink::storageLocation());
for (const auto &folder : dir.entryList(QStringList() << resource + "*")) {
auto size = Sink::Storage::DataStore(Sink::storageLocation(), folder, Sink::Storage::DataStore::ReadOnly).diskUsage();
diskUsage += size;
state.printLine(QObject::tr("... accumulating %1: %2 [kb]").arg(folder).arg(size / 1024), 1);
}
auto size = diskUsage / 1024;
state.printLine(QObject::tr("Actual database file sizes total: %1 [kb]").arg(size), 1);
QDir dataDir{Sink::resourceStorageLocation(resource.toLatin1()) + "/fulltext/"};
Q_ASSERT(dataDir.exists());
qint64 dataSize = 0;
for (const auto &e : dataDir.entryInfoList(QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot)) {
dataSize += e.size();
}
state.printLine(QObject::tr("Fulltext index size [kb]: %1").arg(dataSize / 1024), 1);
state.printLine();
}
bool statAllResources(State &state)
{
Sink::Query query;
for (const auto &r : SinkshUtils::getStore("resource").read(query)) {
statResource(SinkshUtils::parseUid(r.identifier()), state);
}
return false;
}
bool stat(const QStringList &args, State &state)
{
if (args.isEmpty()) {
return statAllResources(state);
}
for (const auto &r : args) {
statResource(SinkshUtils::parseUid(r.toUtf8()), state);
}
return false;
}
Syntax::List syntax()
{
Syntax state("stat", QObject::tr("Shows database usage for the resources requested"), &SinkStat::stat, Syntax::NotInteractive);
state.completer = &SinkshUtils::resourceCompleter;
return Syntax::List() << state;
}
REGISTER_SYNTAX(SinkStat)
}
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