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merge bitcoin#17135: Make polling in ClientModel asynchronous

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This commit is contained in:
Kittywhiskers Van Gogh 2019-10-14 20:46:34 +01:00
parent e13d93ec78
commit 8278e8ab0f
2 changed files with 21 additions and 14 deletions
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31
src/qt/clientmodel.cpp
View File

@ -29,6 +29,7 @@
#include <stdint.h>
#include <QDebug>
#include <QThread>
#include <QTimer>
static int64_t nLastHeaderTipUpdateNotification = 0;
@ -40,23 +41,37 @@ ClientModel::ClientModel(interfaces::Node& node, OptionsModel *_optionsModel, QO
optionsModel(_optionsModel),
peerTableModel(nullptr),
banTableModel(nullptr),
pollTimer(nullptr)
m_thread(new QThread(this))
{
cachedBestHeaderHeight = -1;
cachedBestHeaderTime = -1;
peerTableModel = new PeerTableModel(m_node, this);
banTableModel = new BanTableModel(m_node, this);
pollTimer = new QTimer(this);
connect(pollTimer, &QTimer::timeout, this, &ClientModel::updateTimer);
pollTimer->start(MODEL_UPDATE_DELAY);
mnListCached = std::make_shared<CDeterministicMNList>();
QTimer* timer = new QTimer;
timer->setInterval(MODEL_UPDATE_DELAY);
connect(timer, &QTimer::timeout, [this] {
// no locking required at this point
// the following calls will acquire the required lock
Q_EMIT mempoolSizeChanged(m_node.getMempoolSize(), m_node.getMempoolDynamicUsage());
Q_EMIT islockCountChanged(m_node.llmq().getInstantSentLockCount());
});
connect(m_thread, &QThread::finished, timer, &QObject::deleteLater);
connect(m_thread, &QThread::started, [timer] { timer->start(); });
// move timer to thread so that polling doesn't disturb main event loop
timer->moveToThread(m_thread);
m_thread->start();
subscribeToCoreSignals();
}
ClientModel::~ClientModel()
{
unsubscribeFromCoreSignals();
m_thread->quit();
m_thread->wait();
}
int ClientModel::getNumConnections(unsigned int flags) const
@ -128,14 +143,6 @@ std::vector<const CGovernanceObject*> ClientModel::getAllGovernanceObjects()
return m_node.gov().getAllNewerThan(0);
}
void ClientModel::updateTimer()
{
// no locking required at this point
// the following calls will acquire the required lock
Q_EMIT mempoolSizeChanged(m_node.getMempoolSize(), m_node.getMempoolDynamicUsage());
Q_EMIT islockCountChanged(m_node.llmq().getInstantSentLockCount());
}
void ClientModel::updateNumConnections(int numConnections)
{
Q_EMIT numConnectionsChanged(numConnections);

4
src/qt/clientmodel.h
View File

@ -104,7 +104,8 @@ private:
PeerTableModel *peerTableModel;
BanTableModel *banTableModel;
QTimer *pollTimer;
//! A thread to interact with m_node asynchronously
QThread* const m_thread;
// The cache for mn list is not technically needed because CDeterministicMNManager
// caches it internally for recent blocks but it's not enough to get consistent
@ -133,7 +134,6 @@ Q_SIGNALS:
void showProgress(const QString &title, int nProgress);
public Q_SLOTS:
void updateTimer();
void updateNumConnections(int numConnections);
void updateNetworkActive(bool networkActive);
void updateAlert();