src/qt/clientmodel.h

   1 // Copyright (c) 2011-2016 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #ifndef BITCOIN_QT_CLIENTMODEL_H
   6 #define BITCOIN_QT_CLIENTMODEL_H
   7
   8 #include <QObject>
   9 #include <QDateTime>
  10
  11 #include <atomic>
  12
  13 class BanTableModel;
  14 class OptionsModel;
  15 class PeerTableModel;
  16
  17 class CBlockIndex;
  18
  19 QT_BEGIN_NAMESPACE
  20 class QTimer;
  21 QT_END_NAMESPACE
  22
  23 enum BlockSource {
  24     BLOCK_SOURCE_NONE,
  25     BLOCK_SOURCE_REINDEX,
  26     BLOCK_SOURCE_DISK,
  27     BLOCK_SOURCE_NETWORK
  28 };
  29
  30 enum NumConnections {
  31     CONNECTIONS_NONE = 0,
  32     CONNECTIONS_IN   = (1U << 0),
  33     CONNECTIONS_OUT  = (1U << 1),
  34     CONNECTIONS_ALL  = (CONNECTIONS_IN | CONNECTIONS_OUT),
  35 };
  36
  37 /** Model for Bitcoin network client. */
  38 class ClientModel : public QObject
  39 {
  40     Q_OBJECT
  41
  42 public:
  43     explicit ClientModel(OptionsModel *optionsModel, QObject *parent = 0);
  44     ~ClientModel();
  45
  46     OptionsModel *getOptionsModel();
  47     PeerTableModel *getPeerTableModel();
  48     BanTableModel *getBanTableModel();
  49
  50     //! Return number of connections, default is in- and outbound (total)
  51     int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
  52     int getNumBlocks() const;
  53     int getHeaderTipHeight() const;
  54     int64_t getHeaderTipTime() const;
  55     //! Return number of transactions in the mempool
  56     long getMempoolSize() const;
  57     //! Return the dynamic memory usage of the mempool
  58     size_t getMempoolDynamicUsage() const;
  59
  60     quint64 getTotalBytesRecv() const;
  61     quint64 getTotalBytesSent() const;
  62
  63     double getVerificationProgress(const CBlockIndex *tip) const;
  64     QDateTime getLastBlockDate() const;
  65
  66     //! Return true if core is doing initial block download
  67     bool inInitialBlockDownload() const;
  68     //! Returns enum BlockSource of the current importing/syncing state
  69     enum BlockSource getBlockSource() const;
  70     //! Return true if network activity in core is enabled
  71     bool getNetworkActive() const;
  72     //! Toggle network activity state in core
  73     void setNetworkActive(bool active);
  74     //! Return warnings to be displayed in status bar
  75     QString getStatusBarWarnings() const;
  76
  77     QString formatFullVersion() const;
  78     QString formatSubVersion() const;
  79     bool isReleaseVersion() const;
  80     QString formatClientStartupTime() const;
  81     QString dataDir() const;
  82
  83     // caches for the best header
  84     mutable std::atomic<int> cachedBestHeaderHeight;
  85     mutable std::atomic<int64_t> cachedBestHeaderTime;
  86
  87 private:
  88     OptionsModel *optionsModel;
  89     PeerTableModel *peerTableModel;
  90     BanTableModel *banTableModel;
  91
  92     QTimer *pollTimer;
  93
  94     void subscribeToCoreSignals();
  95     void unsubscribeFromCoreSignals();
  96
  97 Q_SIGNALS:
  98     void numConnectionsChanged(int count);
  99     void numBlocksChanged(int count, const QDateTime& blockDate, double nVerificationProgress, bool header);
 100     void mempoolSizeChanged(long count, size_t mempoolSizeInBytes);
 101     void networkActiveChanged(bool networkActive);
 102     void alertsChanged(const QString &warnings);
 103     void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut);
 104
 105     //! Fired when a message should be reported to the user
 106     void message(const QString &title, const QString &message, unsigned int style);
 107
 108     // Show progress dialog e.g. for verifychain
 109     void showProgress(const QString &title, int nProgress);
 110
 111 public Q_SLOTS:
 112     void updateTimer();
 113     void updateNumConnections(int numConnections);
 114     void updateNetworkActive(bool networkActive);
 115     void updateAlert();
 116     void updateBanlist();
 117 };
 118
 119 #endif // BITCOIN_QT_CLIENTMODEL_H