metrics.h

// Copyright (c) 2016 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "uint256.h"

#include <atomic>
#include <mutex>
#include <string>

struct AtomicCounter {
    std::atomic<uint64_t> value;

    AtomicCounter() : value {0} { }

    void increment(){
        ++value;
    }

    void decrement(){
        --value;
    }

    int get() const {
        return value.load();
    }
};

class AtomicTimer {
private:
    std::mutex mtx;
    uint64_t threads;
    int64_t start_time;
    int64_t total_time;

public:
    AtomicTimer() : threads(0), start_time(0), total_time(0) {}

    /**
     * Starts timing on first call, and counts the number of calls.
     */
    void start();

    /**
     * Counts number of calls, and stops timing after it has been called as
     * many times as start().
     */
    void stop();

    bool running();

    uint64_t threadCount();

    double rate(const AtomicCounter& count);
};

extern AtomicCounter transactionsValidated;
extern AtomicCounter ehSolverRuns;
extern AtomicCounter solutionTargetChecks;
extern AtomicTimer miningTimer;

void TrackMinedBlock(uint256 hash);

void MarkStartTime();
double GetLocalSolPS();
int EstimateNetHeightInner(int height, int64_t tipmediantime,
                           int heightLastCheckpoint, int64_t timeLastCheckpoint,
                           int64_t genesisTime, int64_t targetSpacing);

void TriggerRefresh();

void ConnectMetricsScreen();
void ThreadShowMetricsScreen();

/**
 * Rendering options:
// ZEN MOD START
 * Logo: img2txt -W 60 -H 30 -f utf8 -d none -g 0.7 Horizen-logo.png > horizen.utf8
 */
const std::string METRICS_ART =

"                        ;ttt%%%%ttt;                        \n"
"                  t%SSSSSSSSSSSSSSSSSSSS%t                  \n"
"              t%SSSSSSSSSSSSSSSSSSSSSSSSSSSS%t              \n"
"           ;%SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSt              \n"
"         tSSSSSSSSSSSSS%t;        ;t%SSSS%t                 \n"
"       ;SSSSSSSSSSSt                                        \n"
"      %SSSSSSSSSt                                           \n"
"     SSSSSSSSSt                                      %88    \n"
"   ;SSSSSSSS%          t%SSSSSSSSSS%t               88888   \n"
"   SSSSSSSSt        tSSSSSSSSSSSSSSSSSSt          @8888888  \n"
"  SSSSSSSSt       tSSSSSSSSSSSSSSSSSSSSSSt        88888888  \n"
" tSSSSSSSt       %SSSSSSSSSSSSSSSSSSSSSSSSS       88888888t \n"
" SSSSSSSS       %SSSSSSSSSSSSSSSSSSSSSSSSSSS       t8888t;; \n"
" SSSSSSSt       SSSSSSSSSSSSSSSSSSSSSSSSSSSSt      @;;;;;;;8 \n"
"tSSSSSSS;      %SSSSSSSSSSSSSSSS%%%ttttt%%%S%       ;;;;;;;: \n"
"tSSSSSSS;      %SSSSSSSSS%;                         ;;;;;;;: \n"
" SSSSSSSt     tSSSSS%t       :::.:::::::::::       :;;;;;;;: \n"
" SSSSSSSS   %SSSS%      ..ttt%%%%SSSSSS:::::       :::::::: \n"
" %SSSSSSSt%SSS%     S.::;;;;ttt%%%%SSSSSSS:        :::::::: \n"
"  SSSSSSSSSS%     S...::::;;;;tttt%%%%SSS.        ::::::::  \n"
"  ;SSSSSSS%         t...::::;;;;tttt%%%.         :SSSSSSS:  \n"
"   tSSSSS              %8.::::;;;;;;..         :%SSSSSSS.   \n"
"    tSS%                     88               .%%%%%%%%:    \n"
"      t                                     .ttttttttt.     \n"
"                                         .;;;;;;;;;;.       \n"
"                  S888;X8           X;.:::::::::;;.         \n"
"               S88888888888888888888........::::%           \n"
"              S88888888888888888888888888....t              \n"
"                 8%8888888888888888888888t8                 \n"
"                       8XSt;8888;t%X8                       \n";
// ZEN MOD END