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Merge pull request #2018 from G10h4ck/memory_optimization

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Reduce memory usage due to copying in RsQThreadUtils::postToObject
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G10h4ck 2020-06-25 11:30:06 +02:00 committed by GitHub
commit 638ef80788
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6 changed files with 61 additions and 57 deletions
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21
retroshare-gui/src/gui/Circles/CreateCircleDialog.cpp
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@ -24,6 +24,7 @@
#include <QMenu>
#include <algorithm>
#include <memory>
#include <retroshare/rspeers.h>
#include <retroshare/rsidentity.h>
@ -700,30 +701,28 @@ void CreateCircleDialog::loadIdentities()
if(!rsIdentity->getIdentitiesSummaries(ids_meta))
{
std::cerr << __PRETTY_FUNCTION__ << " failed to retrieve identities ids for all identities" << std::endl;
RS_ERR("failed to retrieve identities ids for all identities");
return;
}
std::set<RsGxsId> ids;
for(auto& meta:ids_meta) ids.insert(RsGxsId(meta.mGroupId));
for(auto& meta:ids_meta)
ids.insert(RsGxsId(meta.mGroupId)) ;
std::vector<RsGxsIdGroup> id_groups;
if(!rsIdentity->getIdentitiesInfo(ids,id_groups))
auto id_groups = std::make_unique<std::vector<RsGxsIdGroup>>();
if(!rsIdentity->getIdentitiesInfo(ids, *id_groups))
{
std::cerr << __PRETTY_FUNCTION__ << " failed to retrieve identities group info for all identities" << std::endl;
RS_ERR("failed to retrieve identities group info for all identities");
return;
}
RsQThreadUtils::postToObject( [id_groups,this]()
RsQThreadUtils::postToObject(
[id_groups = std::move(id_groups), this]()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
fillIdentitiesList(id_groups) ;
fillIdentitiesList(*id_groups);
}, this );
});

27
retroshare-gui/src/gui/Identity/IdDialog.cpp
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@ -47,6 +47,7 @@
#include "util/misc.h"
#include "util/QtVersion.h"
#include "util/rstime.h"
#include "util/rsdebug.h"
#include "retroshare/rsgxsflags.h"
#include "retroshare/rsmsgs.h"
@ -55,6 +56,7 @@
#include <iostream>
#include <algorithm>
#include <memory>
/******
* #define ID_DEBUG 1
@ -506,21 +508,24 @@ void IdDialog::updateCircles()
std::cerr << "Retrieving post data for post " << mThreadId << std::endl;
#endif
std::list<RsGroupMetaData> circle_metas ;
/* This can be big so use a smart pointer to just copy the pointer
* instead of copying the whole list accross the lambdas */
auto circle_metas = std::make_unique<std::list<RsGroupMetaData>>();
if(!rsGxsCircles->getCirclesSummaries(circle_metas))
if(!rsGxsCircles->getCirclesSummaries(*circle_metas))
{
std::cerr << __PRETTY_FUNCTION__ << " failed to retrieve circles group info list" << std::endl;
RS_ERR("failed to retrieve circles group info list");
return;
}
RsQThreadUtils::postToObject( [circle_metas,this]()
RsQThreadUtils::postToObject(
[circle_metas = std::move(circle_metas), this]()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
loadCircles(circle_metas);
loadCircles(*circle_metas);
}, this );
@ -1305,19 +1310,17 @@ void IdDialog::updateIdList()
return;
}
std::map<RsGxsGroupId,RsGxsIdGroup> ids_set;
auto ids_set = std::make_unique<std::map<RsGxsGroupId,RsGxsIdGroup>>();
for(auto it(groups.begin()); it!=groups.end(); ++it)
ids_set[(*it).mMeta.mGroupId] = *it;
(*ids_set)[(*it).mMeta.mGroupId] = *it;
RsQThreadUtils::postToObject( [ids_set,this]()
RsQThreadUtils::postToObject(
[ids_set = std::move(ids_set), this] ()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
loadIdentities(ids_set);
loadIdentities(*ids_set);
}, this );
});

4
retroshare-gui/src/gui/Identity/IdEditDialog.cpp
View File

@ -210,8 +210,8 @@ void IdEditDialog::setupExistingId(const RsGxsGroupId& keyId)
RsThread::async([this,keyId]()
{
std::vector<RsGxsIdGroup> datavector;
bool res = rsIdentity->getIdentitiesInfo(std::set<RsGxsId>({(RsGxsId)keyId}),datavector);
bool res = rsIdentity->getIdentitiesInfo(
std::set<RsGxsId>({(RsGxsId)keyId}), datavector );
RsQThreadUtils::postToObject( [this,keyId,res,datavector]()
{

22
retroshare-gui/src/gui/common/FriendSelectionWidget.cpp
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@ -36,6 +36,7 @@
#include <retroshare/rsstatus.h>
#include <algorithm>
#include <memory>
#define COLUMN_NAME 0
#define COLUMN_CHECK 0
@ -250,24 +251,21 @@ void FriendSelectionWidget::loadIdentities()
if(!rsIdentity->getIdentitiesSummaries(ids_meta))
{
std::cerr << __PRETTY_FUNCTION__ << " failed to retrieve identities group info for all identities" << std::endl;
RS_ERR("failed to retrieve identities group info for all identities");
return;
}
std::vector<RsGxsGroupId> ids;
for(auto& meta:ids_meta)
ids.push_back(meta.mGroupId) ;
auto ids = std::make_unique<std::vector<RsGxsGroupId>>();
for(auto& meta: ids_meta) ids->push_back(meta.mGroupId);
RsQThreadUtils::postToObject( [ids,this]()
RsQThreadUtils::postToObject(
[ids = std::move(ids), this]()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
gxsIds = ids; // we do that is the GUI thread. Dont try it on another thread!
// We do that is the GUI thread. Dont try it on another thread!
gxsIds = *ids;
/* TODO: To furter optimize away a copy gxsIds could be a unique_ptr
* too */
fillList();
}, this );
});
}

16
retroshare-gui/src/gui/statistics/GxsTransportStatistics.cpp
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@ -20,6 +20,7 @@
#include <iostream>
#include <time.h>
#include <memory>
#include <QDateTime>
#include <QFontMetrics>
@ -463,24 +464,25 @@ void GxsTransportStatistics::loadGroups()
#ifdef DEBUG_FORUMS
std::cerr << "Retrieving post data for post " << mThreadId << std::endl;
#endif
std::map<RsGxsGroupId,RsGxsTransGroupStatistics> stats;
auto stats = std::make_unique<
std::map<RsGxsGroupId,RsGxsTransGroupStatistics> >();
if(!rsGxsTrans->getGroupStatistics(stats))
if(!rsGxsTrans->getGroupStatistics(*stats))
{
RsErr() << "Cannot retrieve group statistics in GxsTransportStatistics" << std::endl;
RS_ERR("Cannot retrieve group statistics in GxsTransportStatistics");
return;
}
RsQThreadUtils::postToObject( [stats,this]()
RsQThreadUtils::postToObject(
[stats = std::move(stats), this]()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
mGroupStats = stats;
// TODO: consider making mGroupStats an unique_ptr to avoid copying
mGroupStats = *stats;
updateContent();
mStateHelper->setLoading(GXSTRANS_GROUP_META, false);
}, this );

6
retroshare-gui/src/util/qtthreadsutils.h
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@ -1,7 +1,7 @@
/*******************************************************************************
* util/qthreadutils.h *
* *
* Copyright (C) 2018 Gioacchino Mazzurco <gio@eigenlab.org> *
* Copyright (C) 2018-2020 Gioacchino Mazzurco <gio@eigenlab.org> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
@ -27,7 +27,9 @@
#include <QtGlobal>
#include <QtCore>
#include <type_traits>
#include <utility>
namespace RsQThreadUtils {
@ -44,7 +46,7 @@ void postToObject(F &&fun, QObject *obj = qApp)
QObject src;
auto type = obj->metaObject();
QObject::connect( &src, &QObject::destroyed, obj,
[fun, type, obj]
[fun = std::move(fun), type, obj]
{
// ensure that the object is not being destructed
if (obj->metaObject()->inherits(type)) fun();