/src/qt/clientmodel.cpp
C++ | 301 lines | 237 code | 45 blank | 19 comment | 30 complexity | 39cf37b2d11c5b27da2f1231e3eea5f0 MD5 | raw file
Possible License(s): GPL-3.0, BSD-3-Clause, MIT
- // Copyright (c) 2011-2020 The Bitcoin Core developers
- // Distributed under the MIT software license, see the accompanying
- // file COPYING or http://www.opensource.org/licenses/mit-license.php.
- #include <qt/clientmodel.h>
- #include <qt/bantablemodel.h>
- #include <qt/guiconstants.h>
- #include <qt/guiutil.h>
- #include <qt/peertablemodel.h>
- #include <clientversion.h>
- #include <interfaces/handler.h>
- #include <interfaces/node.h>
- #include <net.h>
- #include <netbase.h>
- #include <util/system.h>
- #include <stdint.h>
- #include <QDebug>
- #include <QThread>
- #include <QTimer>
- static int64_t nLastHeaderTipUpdateNotification = 0;
- static int64_t nLastBlockTipUpdateNotification = 0;
- ClientModel::ClientModel(interfaces::Node& node, OptionsModel *_optionsModel, QObject *parent) :
- QObject(parent),
- m_node(node),
- optionsModel(_optionsModel),
- peerTableModel(nullptr),
- banTableModel(nullptr),
- m_thread(new QThread(this))
- {
- cachedBestHeaderHeight = -1;
- cachedBestHeaderTime = -1;
- peerTableModel = new PeerTableModel(m_node, this);
- banTableModel = new BanTableModel(m_node, this);
- 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 bytesChanged(m_node.getTotalBytesRecv(), m_node.getTotalBytesSent());
- });
- 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
- {
- CConnman::NumConnections connections = CConnman::CONNECTIONS_NONE;
- if(flags == CONNECTIONS_IN)
- connections = CConnman::CONNECTIONS_IN;
- else if (flags == CONNECTIONS_OUT)
- connections = CConnman::CONNECTIONS_OUT;
- else if (flags == CONNECTIONS_ALL)
- connections = CConnman::CONNECTIONS_ALL;
- return m_node.getNodeCount(connections);
- }
- int ClientModel::getHeaderTipHeight() const
- {
- if (cachedBestHeaderHeight == -1) {
- // make sure we initially populate the cache via a cs_main lock
- // otherwise we need to wait for a tip update
- int height;
- int64_t blockTime;
- if (m_node.getHeaderTip(height, blockTime)) {
- cachedBestHeaderHeight = height;
- cachedBestHeaderTime = blockTime;
- }
- }
- return cachedBestHeaderHeight;
- }
- int64_t ClientModel::getHeaderTipTime() const
- {
- if (cachedBestHeaderTime == -1) {
- int height;
- int64_t blockTime;
- if (m_node.getHeaderTip(height, blockTime)) {
- cachedBestHeaderHeight = height;
- cachedBestHeaderTime = blockTime;
- }
- }
- return cachedBestHeaderTime;
- }
- int ClientModel::getNumBlocks() const
- {
- if (m_cached_num_blocks == -1) {
- m_cached_num_blocks = m_node.getNumBlocks();
- }
- return m_cached_num_blocks;
- }
- void ClientModel::updateNumConnections(int numConnections)
- {
- Q_EMIT numConnectionsChanged(numConnections);
- }
- void ClientModel::updateNetworkActive(bool networkActive)
- {
- Q_EMIT networkActiveChanged(networkActive);
- }
- void ClientModel::updateAlert()
- {
- Q_EMIT alertsChanged(getStatusBarWarnings());
- }
- enum BlockSource ClientModel::getBlockSource() const
- {
- if (m_node.getReindex())
- return BlockSource::REINDEX;
- else if (m_node.getImporting())
- return BlockSource::DISK;
- else if (getNumConnections() > 0)
- return BlockSource::NETWORK;
- return BlockSource::NONE;
- }
- QString ClientModel::getStatusBarWarnings() const
- {
- return QString::fromStdString(m_node.getWarnings());
- }
- OptionsModel *ClientModel::getOptionsModel()
- {
- return optionsModel;
- }
- PeerTableModel *ClientModel::getPeerTableModel()
- {
- return peerTableModel;
- }
- BanTableModel *ClientModel::getBanTableModel()
- {
- return banTableModel;
- }
- QString ClientModel::formatFullVersion() const
- {
- return QString::fromStdString(FormatFullVersion());
- }
- QString ClientModel::formatSubVersion() const
- {
- return QString::fromStdString(strSubVersion);
- }
- bool ClientModel::isReleaseVersion() const
- {
- return CLIENT_VERSION_IS_RELEASE;
- }
- QString ClientModel::formatClientStartupTime() const
- {
- return QDateTime::fromTime_t(GetStartupTime()).toString();
- }
- QString ClientModel::dataDir() const
- {
- return GUIUtil::boostPathToQString(GetDataDir());
- }
- QString ClientModel::blocksDir() const
- {
- return GUIUtil::boostPathToQString(GetBlocksDir());
- }
- void ClientModel::updateBanlist()
- {
- banTableModel->refresh();
- }
- // Handlers for core signals
- static void ShowProgress(ClientModel *clientmodel, const std::string &title, int nProgress)
- {
- // emits signal "showProgress"
- bool invoked = QMetaObject::invokeMethod(clientmodel, "showProgress", Qt::QueuedConnection,
- Q_ARG(QString, QString::fromStdString(title)),
- Q_ARG(int, nProgress));
- assert(invoked);
- }
- static void NotifyNumConnectionsChanged(ClientModel *clientmodel, int newNumConnections)
- {
- // Too noisy: qDebug() << "NotifyNumConnectionsChanged: " + QString::number(newNumConnections);
- bool invoked = QMetaObject::invokeMethod(clientmodel, "updateNumConnections", Qt::QueuedConnection,
- Q_ARG(int, newNumConnections));
- assert(invoked);
- }
- static void NotifyNetworkActiveChanged(ClientModel *clientmodel, bool networkActive)
- {
- bool invoked = QMetaObject::invokeMethod(clientmodel, "updateNetworkActive", Qt::QueuedConnection,
- Q_ARG(bool, networkActive));
- assert(invoked);
- }
- static void NotifyAlertChanged(ClientModel *clientmodel)
- {
- qDebug() << "NotifyAlertChanged";
- bool invoked = QMetaObject::invokeMethod(clientmodel, "updateAlert", Qt::QueuedConnection);
- assert(invoked);
- }
- static void BannedListChanged(ClientModel *clientmodel)
- {
- qDebug() << QString("%1: Requesting update for peer banlist").arg(__func__);
- bool invoked = QMetaObject::invokeMethod(clientmodel, "updateBanlist", Qt::QueuedConnection);
- assert(invoked);
- }
- static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, int height, int64_t blockTime, double verificationProgress, bool fHeader)
- {
- // lock free async UI updates in case we have a new block tip
- // during initial sync, only update the UI if the last update
- // was > 250ms (MODEL_UPDATE_DELAY) ago
- int64_t now = 0;
- if (initialSync)
- now = GetTimeMillis();
- int64_t& nLastUpdateNotification = fHeader ? nLastHeaderTipUpdateNotification : nLastBlockTipUpdateNotification;
- if (fHeader) {
- // cache best headers time and height to reduce future cs_main locks
- clientmodel->cachedBestHeaderHeight = height;
- clientmodel->cachedBestHeaderTime = blockTime;
- } else {
- clientmodel->m_cached_num_blocks = height;
- }
- // During initial sync, block notifications, and header notifications from reindexing are both throttled.
- if (!initialSync || (fHeader && !clientmodel->node().getReindex()) || now - nLastUpdateNotification > MODEL_UPDATE_DELAY) {
- //pass an async signal to the UI thread
- bool invoked = QMetaObject::invokeMethod(clientmodel, "numBlocksChanged", Qt::QueuedConnection,
- Q_ARG(int, height),
- Q_ARG(QDateTime, QDateTime::fromTime_t(blockTime)),
- Q_ARG(double, verificationProgress),
- Q_ARG(bool, fHeader));
- assert(invoked);
- nLastUpdateNotification = now;
- }
- }
- void ClientModel::subscribeToCoreSignals()
- {
- // Connect signals to client
- m_handler_show_progress = m_node.handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2));
- m_handler_notify_num_connections_changed = m_node.handleNotifyNumConnectionsChanged(std::bind(NotifyNumConnectionsChanged, this, std::placeholders::_1));
- m_handler_notify_network_active_changed = m_node.handleNotifyNetworkActiveChanged(std::bind(NotifyNetworkActiveChanged, this, std::placeholders::_1));
- m_handler_notify_alert_changed = m_node.handleNotifyAlertChanged(std::bind(NotifyAlertChanged, this));
- m_handler_banned_list_changed = m_node.handleBannedListChanged(std::bind(BannedListChanged, this));
- m_handler_notify_block_tip = m_node.handleNotifyBlockTip(std::bind(BlockTipChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, false));
- m_handler_notify_header_tip = m_node.handleNotifyHeaderTip(std::bind(BlockTipChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, true));
- }
- void ClientModel::unsubscribeFromCoreSignals()
- {
- // Disconnect signals from client
- m_handler_show_progress->disconnect();
- m_handler_notify_num_connections_changed->disconnect();
- m_handler_notify_network_active_changed->disconnect();
- m_handler_notify_alert_changed->disconnect();
- m_handler_banned_list_changed->disconnect();
- m_handler_notify_block_tip->disconnect();
- m_handler_notify_header_tip->disconnect();
- }
- bool ClientModel::getProxyInfo(std::string& ip_port) const
- {
- proxyType ipv4, ipv6;
- if (m_node.getProxy((Network) 1, ipv4) && m_node.getProxy((Network) 2, ipv6)) {
- ip_port = ipv4.proxy.ToStringIPPort();
- return true;
- }
- return false;
- }