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 AddressTableModel;
  14 class BanTableModel;
  15 class OptionsModel;
  16 class PeerTableModel;
  17 class TransactionTableModel;
  18
  19 class CWallet;
  20 class CBlockIndex;
  21
  22 QT_BEGIN_NAMESPACE
  23 class QTimer;
  24 QT_END_NAMESPACE
  25
  26 enum BlockSource {
  27     BLOCK_SOURCE_NONE,
  28     BLOCK_SOURCE_REINDEX,
  29     BLOCK_SOURCE_DISK,
  30     BLOCK_SOURCE_NETWORK
  31 };
  32
  33 enum NumConnections {
  34     CONNECTIONS_NONE = 0,
  35     CONNECTIONS_IN   = (1U << 0),
  36     CONNECTIONS_OUT  = (1U << 1),
  37     CONNECTIONS_ALL  = (CONNECTIONS_IN | CONNECTIONS_OUT),
  38 };
  39
  40 /** Model for Bitcoin network client. */
  41 class ClientModel : public QObject
  42 {
  43     Q_OBJECT
  44
  45 public:
  46     explicit ClientModel(OptionsModel *optionsModel, QObject *parent = 0);
  47     ~ClientModel();
  48
  49     OptionsModel *getOptionsModel();
  50     PeerTableModel *getPeerTableModel();
  51     BanTableModel *getBanTableModel();
  52
  53     //! Return number of connections, default is in- and outbound (total)
  54     int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
  55     int getNumBlocks() const;
  56     int getHeaderTipHeight() const;
  57     int64_t getHeaderTipTime() const;
  58     //! Return number of transactions in the mempool
  59     long getMempoolSize() const;
  60     //! Return the dynamic memory usage of the mempool
  61     size_t getMempoolDynamicUsage() const;
  62
  63     quint64 getTotalBytesRecv() const;
  64     quint64 getTotalBytesSent() const;
  65
  66     double getVerificationProgress(const CBlockIndex *tip) const;
  67     QDateTime getLastBlockDate() const;
  68
  69     //! Return true if core is doing initial block download
  70     bool inInitialBlockDownload() const;
  71     //! Returns enum BlockSource of the current importing/syncing state
  72     enum BlockSource getBlockSource() const;
  73     //! Return true if network activity in core is enabled
  74     bool getNetworkActive() const;
  75     //! Toggle network activity state in core
  76     void setNetworkActive(bool active);
  77     //! Return warnings to be displayed in status bar
  78     QString getStatusBarWarnings() const;
  79
  80     QString formatFullVersion() const;
  81     QString formatSubVersion() const;
  82     bool isReleaseVersion() const;
  83     QString formatClientStartupTime() const;
  84     QString dataDir() const;
  85
  86     // caches for the best header
  87     mutable std::atomic<int> cachedBestHeaderHeight;
  88     mutable std::atomic<int64_t> cachedBestHeaderTime;
  89
  90 private:
  91     OptionsModel *optionsModel;
  92     PeerTableModel *peerTableModel;
  93     BanTableModel *banTableModel;
  94
  95     QTimer *pollTimer;
  96
  97     void subscribeToCoreSignals();
  98     void unsubscribeFromCoreSignals();
  99
 100 Q_SIGNALS:
 101     void numConnectionsChanged(int count);
 102     void numBlocksChanged(int count, const QDateTime& blockDate, double nVerificationProgress, bool header);
 103     void mempoolSizeChanged(long count, size_t mempoolSizeInBytes);
 104     void networkActiveChanged(bool networkActive);
 105     void alertsChanged(const QString &warnings);
 106     void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut);
 107
 108     //! Fired when a message should be reported to the user
 109     void message(const QString &title, const QString &message, unsigned int style);
 110
 111     // Show progress dialog e.g. for verifychain
 112     void showProgress(const QString &title, int nProgress);
 113
 114 public Q_SLOTS:
 115     void updateTimer();
 116     void updateNumConnections(int numConnections);
 117     void updateNetworkActive(bool networkActive);
 118     void updateAlert();
 119     void updateBanlist();
 120 };
 121
 122 #endif // BITCOIN_QT_CLIENTMODEL_H