From e6d50fcdecfdd7281b7aa5e9b573ef1b4e82873f Mon Sep 17 00:00:00 2001 From: Jonas Schnelli Date: Thu, 26 Nov 2015 16:39:40 +0100 Subject: [Qt] update block tip (height and date) without locking cs_main, update always (each block) --- src/qt/clientmodel.cpp | 53 ++++++++++++++++++++++---------------------------- src/qt/clientmodel.h | 5 ----- 2 files changed, 23 insertions(+), 35 deletions(-) (limited to 'src/qt') diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp index 566e8fa62d..92df336c97 100644 --- a/src/qt/clientmodel.cpp +++ b/src/qt/clientmodel.cpp @@ -23,16 +23,13 @@ #include static const int64_t nClientStartupTime = GetTime(); +static int64_t nLastBlockTipUpdateNotification = 0; ClientModel::ClientModel(OptionsModel *optionsModel, QObject *parent) : QObject(parent), optionsModel(optionsModel), peerTableModel(0), banTableModel(0), - cachedNumBlocks(0), - cachedBlockDate(QDateTime()), - cachedReindexing(0), - cachedImporting(0), pollTimer(0) { peerTableModel = new PeerTableModel(this); @@ -107,32 +104,8 @@ double ClientModel::getVerificationProgress() const void ClientModel::updateTimer() { - // Get required lock upfront. This avoids the GUI from getting stuck on - // periodical polls if the core is holding the locks for a longer time - - // for example, during a wallet rescan. - TRY_LOCK(cs_main, lockMain); - if (!lockMain) - return; - - // Some quantities (such as number of blocks) change so fast that we don't want to be notified for each change. - // Periodically check and update with a timer. - int newNumBlocks = getNumBlocks(); - QDateTime newBlockDate = getLastBlockDate(); - - // check for changed number of blocks we have, number of blocks peers claim to have, reindexing state and importing state - if (cachedNumBlocks != newNumBlocks || - cachedBlockDate != newBlockDate || - cachedReindexing != fReindex || - cachedImporting != fImporting) - { - cachedNumBlocks = newNumBlocks; - cachedBlockDate = newBlockDate; - cachedReindexing = fReindex; - cachedImporting = fImporting; - - Q_EMIT numBlocksChanged(newNumBlocks, newBlockDate); - } - + // no locking required at this point + // the following calls will aquire the required lock Q_EMIT mempoolSizeChanged(getMempoolSize(), getMempoolDynamicUsage()); Q_EMIT bytesChanged(getTotalBytesRecv(), getTotalBytesSent()); } @@ -261,6 +234,24 @@ static void BannedListChanged(ClientModel *clientmodel) QMetaObject::invokeMethod(clientmodel, "updateBanlist", Qt::QueuedConnection); } +static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CBlockIndex *pIndex) +{ + // 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(); + + // if we are in-sync, update the UI regardless of last update time + if (!initialSync || now - nLastBlockTipUpdateNotification > MODEL_UPDATE_DELAY) { + //pass a async signal to the UI thread + Q_EMIT clientmodel->numBlocksChanged(pIndex->nHeight, QDateTime::fromTime_t(pIndex->GetBlockTime())); + nLastBlockTipUpdateNotification = now; + } + +} + void ClientModel::subscribeToCoreSignals() { // Connect signals to client @@ -268,6 +259,7 @@ void ClientModel::subscribeToCoreSignals() uiInterface.NotifyNumConnectionsChanged.connect(boost::bind(NotifyNumConnectionsChanged, this, _1)); uiInterface.NotifyAlertChanged.connect(boost::bind(NotifyAlertChanged, this, _1, _2)); uiInterface.BannedListChanged.connect(boost::bind(BannedListChanged, this)); + uiInterface.NotifyBlockTip.connect(boost::bind(BlockTipChanged, this, _1, _2)); } void ClientModel::unsubscribeFromCoreSignals() @@ -277,4 +269,5 @@ void ClientModel::unsubscribeFromCoreSignals() uiInterface.NotifyNumConnectionsChanged.disconnect(boost::bind(NotifyNumConnectionsChanged, this, _1)); uiInterface.NotifyAlertChanged.disconnect(boost::bind(NotifyAlertChanged, this, _1, _2)); uiInterface.BannedListChanged.disconnect(boost::bind(BannedListChanged, this)); + uiInterface.NotifyBlockTip.disconnect(boost::bind(BlockTipChanged, this, _1, _2)); } diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h index 493a759331..3c6700f37a 100644 --- a/src/qt/clientmodel.h +++ b/src/qt/clientmodel.h @@ -81,11 +81,6 @@ private: PeerTableModel *peerTableModel; BanTableModel *banTableModel; - int cachedNumBlocks; - QDateTime cachedBlockDate; - bool cachedReindexing; - bool cachedImporting; - QTimer *pollTimer; void subscribeToCoreSignals(); -- cgit v1.2.3 From 947d20b84ab271bec5ff08312921961627d1ad80 Mon Sep 17 00:00:00 2001 From: Jonas Schnelli Date: Fri, 27 Nov 2015 13:20:46 +0100 Subject: [Qt] reduce cs_main in getVerificationProgress() --- src/qt/bitcoingui.cpp | 8 ++++---- src/qt/bitcoingui.h | 3 ++- src/qt/clientmodel.cpp | 9 +++++---- src/qt/clientmodel.h | 5 +++-- src/qt/rpcconsole.cpp | 6 +++--- src/qt/rpcconsole.h | 2 +- src/qt/sendcoinsdialog.cpp | 2 +- 7 files changed, 19 insertions(+), 16 deletions(-) (limited to 'src/qt') diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp index 6f9f6e90d6..4933f76d6e 100644 --- a/src/qt/bitcoingui.cpp +++ b/src/qt/bitcoingui.cpp @@ -443,8 +443,8 @@ void BitcoinGUI::setClientModel(ClientModel *clientModel) setNumConnections(clientModel->getNumConnections()); connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int))); - setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate()); - connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime)), this, SLOT(setNumBlocks(int,QDateTime))); + setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), NULL); + connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(setNumBlocks(int,QDateTime,const CBlockIndex*))); // Receive and report messages from client model connect(clientModel, SIGNAL(message(QString,QString,unsigned int)), this, SLOT(message(QString,QString,unsigned int))); @@ -672,7 +672,7 @@ void BitcoinGUI::setNumConnections(int count) labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count)); } -void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate) +void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex *tip) { if(!clientModel) return; @@ -749,7 +749,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate) progressBarLabel->setVisible(true); progressBar->setFormat(tr("%1 behind").arg(timeBehindText)); progressBar->setMaximum(1000000000); - progressBar->setValue(clientModel->getVerificationProgress() * 1000000000.0 + 0.5); + progressBar->setValue(clientModel->getVerificationProgress(tip) * 1000000000.0 + 0.5); progressBar->setVisible(true); tooltip = tr("Catching up...") + QString("
") + tooltip; diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h index 2b98dabc56..42da149881 100644 --- a/src/qt/bitcoingui.h +++ b/src/qt/bitcoingui.h @@ -29,6 +29,7 @@ class UnitDisplayStatusBarControl; class WalletFrame; class WalletModel; class HelpMessageDialog; +class CBlockIndex; class CWallet; @@ -149,7 +150,7 @@ public Q_SLOTS: /** Set number of connections shown in the UI */ void setNumConnections(int count); /** Set number of blocks and last block date shown in the UI */ - void setNumBlocks(int count, const QDateTime& blockDate); + void setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip); /** Notify the user of an event from the core network or transaction handling code. @param[in] title the message box / notification title diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp index 92df336c97..f7d8b71748 100644 --- a/src/qt/clientmodel.cpp +++ b/src/qt/clientmodel.cpp @@ -22,6 +22,8 @@ #include #include +class CBlockIndex; + static const int64_t nClientStartupTime = GetTime(); static int64_t nLastBlockTipUpdateNotification = 0; @@ -96,10 +98,9 @@ size_t ClientModel::getMempoolDynamicUsage() const return mempool.DynamicMemoryUsage(); } -double ClientModel::getVerificationProgress() const +double ClientModel::getVerificationProgress(const CBlockIndex *tip) const { - LOCK(cs_main); - return Checkpoints::GuessVerificationProgress(Params().Checkpoints(), chainActive.Tip()); + return Checkpoints::GuessVerificationProgress(Params().Checkpoints(), (CBlockIndex *)tip); } void ClientModel::updateTimer() @@ -246,7 +247,7 @@ static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CB // if we are in-sync, update the UI regardless of last update time if (!initialSync || now - nLastBlockTipUpdateNotification > MODEL_UPDATE_DELAY) { //pass a async signal to the UI thread - Q_EMIT clientmodel->numBlocksChanged(pIndex->nHeight, QDateTime::fromTime_t(pIndex->GetBlockTime())); + Q_EMIT clientmodel->numBlocksChanged(pIndex->nHeight, QDateTime::fromTime_t(pIndex->GetBlockTime()), pIndex); nLastBlockTipUpdateNotification = now; } diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h index 3c6700f37a..c3beb82396 100644 --- a/src/qt/clientmodel.h +++ b/src/qt/clientmodel.h @@ -15,6 +15,7 @@ class PeerTableModel; class TransactionTableModel; class CWallet; +class CBlockIndex; QT_BEGIN_NAMESPACE class QTimer; @@ -59,7 +60,7 @@ public: quint64 getTotalBytesRecv() const; quint64 getTotalBytesSent() const; - double getVerificationProgress() const; + double getVerificationProgress(const CBlockIndex *tip) const; QDateTime getLastBlockDate() const; //! Return true if core is doing initial block download @@ -88,7 +89,7 @@ private: Q_SIGNALS: void numConnectionsChanged(int count); - void numBlocksChanged(int count, const QDateTime& blockDate); + void numBlocksChanged(int count, const QDateTime& blockDate, const CBlockIndex *tip); void mempoolSizeChanged(long count, size_t mempoolSizeInBytes); void alertsChanged(const QString &warnings); void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut); diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index b2b4fd0fab..8dbbac957d 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -343,8 +343,8 @@ void RPCConsole::setClientModel(ClientModel *model) setNumConnections(model->getNumConnections()); connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int))); - setNumBlocks(model->getNumBlocks(), model->getLastBlockDate()); - connect(model, SIGNAL(numBlocksChanged(int,QDateTime)), this, SLOT(setNumBlocks(int,QDateTime))); + setNumBlocks(model->getNumBlocks(), model->getLastBlockDate(), NULL); + connect(model, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(setNumBlocks(int,QDateTime,const CBlockIndex*))); updateTrafficStats(model->getTotalBytesRecv(), model->getTotalBytesSent()); connect(model, SIGNAL(bytesChanged(quint64,quint64)), this, SLOT(updateTrafficStats(quint64, quint64))); @@ -525,7 +525,7 @@ void RPCConsole::setNumConnections(int count) ui->numberOfConnections->setText(connections); } -void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate) +void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip) { ui->numberOfBlocks->setText(QString::number(count)); ui->lastBlockTime->setText(blockDate.toString()); diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h index 4b242affcd..5debc1754e 100644 --- a/src/qt/rpcconsole.h +++ b/src/qt/rpcconsole.h @@ -83,7 +83,7 @@ public Q_SLOTS: /** Set number of connections shown in the UI */ void setNumConnections(int count); /** Set number of blocks and last block date shown in the UI */ - void setNumBlocks(int count, const QDateTime& blockDate); + void setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip); /** Set size (number of transactions and memory usage) of the mempool in the UI */ void setMempoolSize(long numberOfTxs, size_t dynUsage); /** Go forward or back in history */ diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp index 7b714be5b1..1c72a292ed 100644 --- a/src/qt/sendcoinsdialog.cpp +++ b/src/qt/sendcoinsdialog.cpp @@ -124,7 +124,7 @@ void SendCoinsDialog::setClientModel(ClientModel *clientModel) this->clientModel = clientModel; if (clientModel) { - connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime)), this, SLOT(updateSmartFeeLabel())); + connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(updateSmartFeeLabel())); } } -- cgit v1.2.3 From 4082e4660305f7696949c3a13e2e9611210894e8 Mon Sep 17 00:00:00 2001 From: Jonas Schnelli Date: Fri, 27 Nov 2015 18:22:18 +0100 Subject: [Qt] call GuessVerificationProgress synchronous during core signal, pass double over UI signal --- src/qt/bitcoingui.cpp | 8 ++++---- src/qt/bitcoingui.h | 3 +-- src/qt/clientmodel.cpp | 13 +++++++++---- src/qt/clientmodel.h | 2 +- src/qt/rpcconsole.cpp | 6 +++--- src/qt/rpcconsole.h | 2 +- src/qt/sendcoinsdialog.cpp | 2 +- 7 files changed, 20 insertions(+), 16 deletions(-) (limited to 'src/qt') diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp index 4933f76d6e..4651e842bd 100644 --- a/src/qt/bitcoingui.cpp +++ b/src/qt/bitcoingui.cpp @@ -443,8 +443,8 @@ void BitcoinGUI::setClientModel(ClientModel *clientModel) setNumConnections(clientModel->getNumConnections()); connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int))); - setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), NULL); - connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(setNumBlocks(int,QDateTime,const CBlockIndex*))); + setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), clientModel->getVerificationProgress(NULL)); + connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(setNumBlocks(int,QDateTime,double))); // Receive and report messages from client model connect(clientModel, SIGNAL(message(QString,QString,unsigned int)), this, SLOT(message(QString,QString,unsigned int))); @@ -672,7 +672,7 @@ void BitcoinGUI::setNumConnections(int count) labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count)); } -void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex *tip) +void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress) { if(!clientModel) return; @@ -749,7 +749,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, const CBloc progressBarLabel->setVisible(true); progressBar->setFormat(tr("%1 behind").arg(timeBehindText)); progressBar->setMaximum(1000000000); - progressBar->setValue(clientModel->getVerificationProgress(tip) * 1000000000.0 + 0.5); + progressBar->setValue(nVerificationProgress * 1000000000.0 + 0.5); progressBar->setVisible(true); tooltip = tr("Catching up...") + QString("
") + tooltip; diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h index 42da149881..3ad6519dbb 100644 --- a/src/qt/bitcoingui.h +++ b/src/qt/bitcoingui.h @@ -29,7 +29,6 @@ class UnitDisplayStatusBarControl; class WalletFrame; class WalletModel; class HelpMessageDialog; -class CBlockIndex; class CWallet; @@ -150,7 +149,7 @@ public Q_SLOTS: /** Set number of connections shown in the UI */ void setNumConnections(int count); /** Set number of blocks and last block date shown in the UI */ - void setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip); + void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress); /** Notify the user of an event from the core network or transaction handling code. @param[in] title the message box / notification title diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp index f7d8b71748..d36d129c1a 100644 --- a/src/qt/clientmodel.cpp +++ b/src/qt/clientmodel.cpp @@ -98,9 +98,15 @@ size_t ClientModel::getMempoolDynamicUsage() const return mempool.DynamicMemoryUsage(); } -double ClientModel::getVerificationProgress(const CBlockIndex *tip) const +double ClientModel::getVerificationProgress(const CBlockIndex *tipIn) const { - return Checkpoints::GuessVerificationProgress(Params().Checkpoints(), (CBlockIndex *)tip); + CBlockIndex *tip = const_cast(tipIn); + if (!tip) + { + LOCK(cs_main); + tip = chainActive.Tip(); + } + return Checkpoints::GuessVerificationProgress(Params().Checkpoints(), tip); } void ClientModel::updateTimer() @@ -247,10 +253,9 @@ static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CB // if we are in-sync, update the UI regardless of last update time if (!initialSync || now - nLastBlockTipUpdateNotification > MODEL_UPDATE_DELAY) { //pass a async signal to the UI thread - Q_EMIT clientmodel->numBlocksChanged(pIndex->nHeight, QDateTime::fromTime_t(pIndex->GetBlockTime()), pIndex); + Q_EMIT clientmodel->numBlocksChanged(pIndex->nHeight, QDateTime::fromTime_t(pIndex->GetBlockTime()), clientmodel->getVerificationProgress(pIndex)); nLastBlockTipUpdateNotification = now; } - } void ClientModel::subscribeToCoreSignals() diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h index c3beb82396..2d204fdb67 100644 --- a/src/qt/clientmodel.h +++ b/src/qt/clientmodel.h @@ -89,7 +89,7 @@ private: Q_SIGNALS: void numConnectionsChanged(int count); - void numBlocksChanged(int count, const QDateTime& blockDate, const CBlockIndex *tip); + void numBlocksChanged(int count, const QDateTime& blockDate, double nVerificationProgress); void mempoolSizeChanged(long count, size_t mempoolSizeInBytes); void alertsChanged(const QString &warnings); void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut); diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index 8dbbac957d..30e551de19 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -343,8 +343,8 @@ void RPCConsole::setClientModel(ClientModel *model) setNumConnections(model->getNumConnections()); connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int))); - setNumBlocks(model->getNumBlocks(), model->getLastBlockDate(), NULL); - connect(model, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(setNumBlocks(int,QDateTime,const CBlockIndex*))); + setNumBlocks(model->getNumBlocks(), model->getLastBlockDate(), model->getVerificationProgress(NULL)); + connect(model, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(setNumBlocks(int,QDateTime,double))); updateTrafficStats(model->getTotalBytesRecv(), model->getTotalBytesSent()); connect(model, SIGNAL(bytesChanged(quint64,quint64)), this, SLOT(updateTrafficStats(quint64, quint64))); @@ -525,7 +525,7 @@ void RPCConsole::setNumConnections(int count) ui->numberOfConnections->setText(connections); } -void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip) +void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress) { ui->numberOfBlocks->setText(QString::number(count)); ui->lastBlockTime->setText(blockDate.toString()); diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h index 5debc1754e..4aebad480c 100644 --- a/src/qt/rpcconsole.h +++ b/src/qt/rpcconsole.h @@ -83,7 +83,7 @@ public Q_SLOTS: /** Set number of connections shown in the UI */ void setNumConnections(int count); /** Set number of blocks and last block date shown in the UI */ - void setNumBlocks(int count, const QDateTime& blockDate, const CBlockIndex* tip); + void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress); /** Set size (number of transactions and memory usage) of the mempool in the UI */ void setMempoolSize(long numberOfTxs, size_t dynUsage); /** Go forward or back in history */ diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp index 1c72a292ed..0fd86da034 100644 --- a/src/qt/sendcoinsdialog.cpp +++ b/src/qt/sendcoinsdialog.cpp @@ -124,7 +124,7 @@ void SendCoinsDialog::setClientModel(ClientModel *clientModel) this->clientModel = clientModel; if (clientModel) { - connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,const CBlockIndex*)), this, SLOT(updateSmartFeeLabel())); + connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(updateSmartFeeLabel())); } } -- cgit v1.2.3