39d2e9e0cb
External linkage does not help and just encourages sloppy dependencies and can lead to weird issues when there are name collisions.
494 lines
15 KiB
C++
494 lines
15 KiB
C++
// Copyright (c) 2016 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "metrics.h"
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#include "chainparams.h"
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#include "checkpoints.h"
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#include "main.h"
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#include "ui_interface.h"
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#include "util.h"
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#include "utiltime.h"
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#include "utilmoneystr.h"
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#include "utilstrencodings.h"
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#include <boost/thread.hpp>
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#include <boost/thread/synchronized_value.hpp>
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#include <string>
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#include <sys/ioctl.h>
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#include <unistd.h>
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void AtomicTimer::start()
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{
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std::unique_lock<std::mutex> lock(mtx);
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if (threads < 1) {
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start_time = GetTime();
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}
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++threads;
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}
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void AtomicTimer::stop()
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{
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std::unique_lock<std::mutex> lock(mtx);
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// Ignore excess calls to stop()
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if (threads > 0) {
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--threads;
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if (threads < 1) {
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int64_t time_span = GetTime() - start_time;
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total_time += time_span;
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}
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}
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}
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bool AtomicTimer::running()
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{
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std::unique_lock<std::mutex> lock(mtx);
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return threads > 0;
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}
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uint64_t AtomicTimer::threadCount()
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{
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std::unique_lock<std::mutex> lock(mtx);
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return threads;
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}
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double AtomicTimer::rate(const AtomicCounter& count)
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{
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std::unique_lock<std::mutex> lock(mtx);
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int64_t duration = total_time;
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if (threads > 0) {
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// Timer is running, so get the latest count
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duration += GetTime() - start_time;
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}
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return duration > 0 ? (double)count.get() / duration : 0;
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}
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static CCriticalSection cs_metrics;
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static boost::synchronized_value<int64_t> nNodeStartTime;
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static boost::synchronized_value<int64_t> nNextRefresh;
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AtomicCounter transactionsValidated;
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AtomicCounter ehSolverRuns;
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AtomicCounter solutionTargetChecks;
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static AtomicCounter minedBlocks;
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AtomicTimer miningTimer;
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static boost::synchronized_value<std::list<uint256>> trackedBlocks;
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static boost::synchronized_value<std::list<std::string>> messageBox;
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static boost::synchronized_value<std::string> initMessage;
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static bool loaded = false;
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extern int64_t GetNetworkHashPS(int lookup, int height);
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void TrackMinedBlock(uint256 hash)
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{
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LOCK(cs_metrics);
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minedBlocks.increment();
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trackedBlocks->push_back(hash);
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}
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void MarkStartTime()
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{
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*nNodeStartTime = GetTime();
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}
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int64_t GetUptime()
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{
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return GetTime() - *nNodeStartTime;
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}
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double GetLocalSolPS()
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{
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return miningTimer.rate(solutionTargetChecks);
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}
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int EstimateNetHeightInner(int height, int64_t tipmediantime,
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int heightLastCheckpoint, int64_t timeLastCheckpoint,
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int64_t genesisTime, int64_t targetSpacing)
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{
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// We average the target spacing with the observed spacing to the last
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// checkpoint (either from below or above depending on the current height),
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// and use that to estimate the current network height.
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int medianHeight = height > CBlockIndex::nMedianTimeSpan ?
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height - (1 + ((CBlockIndex::nMedianTimeSpan - 1) / 2)) :
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height / 2;
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double checkpointSpacing = medianHeight > heightLastCheckpoint ?
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(double (tipmediantime - timeLastCheckpoint)) / (medianHeight - heightLastCheckpoint) :
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(double (timeLastCheckpoint - genesisTime)) / heightLastCheckpoint;
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double averageSpacing = (targetSpacing + checkpointSpacing) / 2;
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int netheight = medianHeight + ((GetTime() - tipmediantime) / averageSpacing);
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// Round to nearest ten to reduce noise
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return ((netheight + 5) / 10) * 10;
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}
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int EstimateNetHeight(int height, int64_t tipmediantime, CChainParams chainParams)
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{
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auto checkpointData = chainParams.Checkpoints();
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return EstimateNetHeightInner(
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height, tipmediantime,
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Checkpoints::GetTotalBlocksEstimate(checkpointData),
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checkpointData.nTimeLastCheckpoint,
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chainParams.GenesisBlock().nTime,
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chainParams.GetConsensus().nPowTargetSpacing);
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}
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void TriggerRefresh()
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{
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*nNextRefresh = GetTime();
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// Ensure that the refresh has started before we return
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MilliSleep(200);
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}
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static bool metrics_ThreadSafeMessageBox(const std::string& message,
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const std::string& caption,
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unsigned int style)
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{
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// The SECURE flag has no effect in the metrics UI.
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style &= ~CClientUIInterface::SECURE;
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std::string strCaption;
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// Check for usage of predefined caption
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switch (style) {
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case CClientUIInterface::MSG_ERROR:
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strCaption += _("Error");
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break;
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case CClientUIInterface::MSG_WARNING:
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strCaption += _("Warning");
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break;
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case CClientUIInterface::MSG_INFORMATION:
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strCaption += _("Information");
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break;
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default:
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strCaption += caption; // Use supplied caption (can be empty)
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}
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boost::strict_lock_ptr<std::list<std::string>> u = messageBox.synchronize();
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u->push_back(strCaption + ": " + message);
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if (u->size() > 5) {
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u->pop_back();
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}
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TriggerRefresh();
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return false;
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}
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static bool metrics_ThreadSafeQuestion(const std::string& /* ignored interactive message */, const std::string& message, const std::string& caption, unsigned int style)
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{
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return metrics_ThreadSafeMessageBox(message, caption, style);
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}
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static void metrics_InitMessage(const std::string& message)
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{
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*initMessage = message;
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}
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void ConnectMetricsScreen()
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{
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uiInterface.ThreadSafeMessageBox.disconnect_all_slots();
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uiInterface.ThreadSafeMessageBox.connect(metrics_ThreadSafeMessageBox);
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uiInterface.ThreadSafeQuestion.disconnect_all_slots();
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uiInterface.ThreadSafeQuestion.connect(metrics_ThreadSafeQuestion);
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uiInterface.InitMessage.disconnect_all_slots();
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uiInterface.InitMessage.connect(metrics_InitMessage);
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}
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int printStats(bool mining)
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{
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// Number of lines that are always displayed
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int lines = 4;
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int height;
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int64_t tipmediantime;
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size_t connections;
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int64_t netsolps;
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{
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LOCK2(cs_main, cs_vNodes);
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height = chainActive.Height();
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tipmediantime = chainActive.Tip()->GetMedianTimePast();
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connections = vNodes.size();
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netsolps = GetNetworkHashPS(120, -1);
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}
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auto localsolps = GetLocalSolPS();
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if (IsInitialBlockDownload()) {
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int netheight = EstimateNetHeight(height, tipmediantime, Params());
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int downloadPercent = height * 100 / netheight;
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std::cout << " " << _("Downloading blocks") << " | " << height << " / ~" << netheight << " (" << downloadPercent << "%)" << std::endl;
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} else {
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std::cout << " " << _("Block height") << " | " << height << std::endl;
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}
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std::cout << " " << _("Connections") << " | " << connections << std::endl;
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std::cout << " " << _("Network solution rate") << " | " << netsolps << " Sol/s" << std::endl;
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if (mining && miningTimer.running()) {
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std::cout << " " << _("Local solution rate") << " | " << strprintf("%.4f Sol/s", localsolps) << std::endl;
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lines++;
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}
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std::cout << std::endl;
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return lines;
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}
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int printMiningStatus(bool mining)
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{
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#ifdef ENABLE_MINING
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// Number of lines that are always displayed
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int lines = 1;
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if (mining) {
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auto nThreads = miningTimer.threadCount();
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if (nThreads > 0) {
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std::cout << strprintf(_("You are mining with the %s solver on %d threads."),
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GetArg("-equihashsolver", "default"), nThreads) << std::endl;
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} else {
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bool fvNodesEmpty;
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{
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LOCK(cs_vNodes);
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fvNodesEmpty = vNodes.empty();
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}
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if (fvNodesEmpty) {
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std::cout << _("Mining is paused while waiting for connections.") << std::endl;
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} else if (IsInitialBlockDownload()) {
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std::cout << _("Mining is paused while downloading blocks.") << std::endl;
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} else {
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std::cout << _("Mining is paused (a JoinSplit may be in progress).") << std::endl;
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}
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}
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lines++;
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} else {
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std::cout << _("You are currently not mining.") << std::endl;
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std::cout << _("To enable mining, add 'gen=1' to your zcash.conf and restart.") << std::endl;
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lines += 2;
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}
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std::cout << std::endl;
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return lines;
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#else // ENABLE_MINING
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return 0;
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#endif // !ENABLE_MINING
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}
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int printMetrics(size_t cols, bool mining)
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{
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// Number of lines that are always displayed
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int lines = 3;
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// Calculate uptime
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int64_t uptime = GetUptime();
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int days = uptime / (24 * 60 * 60);
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int hours = (uptime - (days * 24 * 60 * 60)) / (60 * 60);
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int minutes = (uptime - (((days * 24) + hours) * 60 * 60)) / 60;
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int seconds = uptime - (((((days * 24) + hours) * 60) + minutes) * 60);
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// Display uptime
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std::string duration;
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if (days > 0) {
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duration = strprintf(_("%d days, %d hours, %d minutes, %d seconds"), days, hours, minutes, seconds);
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} else if (hours > 0) {
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duration = strprintf(_("%d hours, %d minutes, %d seconds"), hours, minutes, seconds);
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} else if (minutes > 0) {
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duration = strprintf(_("%d minutes, %d seconds"), minutes, seconds);
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} else {
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duration = strprintf(_("%d seconds"), seconds);
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}
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std::string strDuration = strprintf(_("Since starting this node %s ago:"), duration);
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std::cout << strDuration << std::endl;
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lines += (strDuration.size() / cols);
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int validatedCount = transactionsValidated.get();
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if (validatedCount > 1) {
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std::cout << "- " << strprintf(_("You have validated %d transactions!"), validatedCount) << std::endl;
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} else if (validatedCount == 1) {
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std::cout << "- " << _("You have validated a transaction!") << std::endl;
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} else {
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std::cout << "- " << _("You have validated no transactions.") << std::endl;
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}
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if (mining && loaded) {
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std::cout << "- " << strprintf(_("You have completed %d Equihash solver runs."), ehSolverRuns.get()) << std::endl;
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lines++;
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int mined = 0;
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int orphaned = 0;
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CAmount immature {0};
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CAmount mature {0};
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{
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LOCK2(cs_main, cs_metrics);
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boost::strict_lock_ptr<std::list<uint256>> u = trackedBlocks.synchronize();
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auto consensusParams = Params().GetConsensus();
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auto tipHeight = chainActive.Height();
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// Update orphans and calculate subsidies
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std::list<uint256>::iterator it = u->begin();
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while (it != u->end()) {
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auto hash = *it;
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if (mapBlockIndex.count(hash) > 0 &&
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chainActive.Contains(mapBlockIndex[hash])) {
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int height = mapBlockIndex[hash]->nHeight;
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CAmount subsidy = GetBlockSubsidy(height, consensusParams);
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if ((height > 0) && (height <= consensusParams.GetLastFoundersRewardBlockHeight())) {
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subsidy -= subsidy/5;
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}
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if (std::max(0, COINBASE_MATURITY - (tipHeight - height)) > 0) {
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immature += subsidy;
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} else {
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mature += subsidy;
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}
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it++;
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} else {
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it = u->erase(it);
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}
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}
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mined = minedBlocks.get();
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orphaned = mined - u->size();
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}
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if (mined > 0) {
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std::string units = Params().CurrencyUnits();
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std::cout << "- " << strprintf(_("You have mined %d blocks!"), mined) << std::endl;
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std::cout << " "
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<< strprintf(_("Orphaned: %d blocks, Immature: %u %s, Mature: %u %s"),
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orphaned,
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FormatMoney(immature), units,
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FormatMoney(mature), units)
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<< std::endl;
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lines += 2;
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}
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}
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std::cout << std::endl;
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return lines;
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}
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int printMessageBox(size_t cols)
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{
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boost::strict_lock_ptr<std::list<std::string>> u = messageBox.synchronize();
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if (u->size() == 0) {
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return 0;
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}
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int lines = 2 + u->size();
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std::cout << _("Messages:") << std::endl;
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for (auto it = u->cbegin(); it != u->cend(); ++it) {
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auto msg = FormatParagraph(*it, cols, 2);
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std::cout << "- " << msg << std::endl;
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// Handle newlines and wrapped lines
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size_t i = 0;
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size_t j = 0;
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while (j < msg.size()) {
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i = msg.find('\n', j);
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if (i == std::string::npos) {
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i = msg.size();
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} else {
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// Newline
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lines++;
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}
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j = i + 1;
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}
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}
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std::cout << std::endl;
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return lines;
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}
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int printInitMessage()
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{
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if (loaded) {
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return 0;
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}
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std::string msg = *initMessage;
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std::cout << _("Init message:") << " " << msg << std::endl;
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std::cout << std::endl;
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if (msg == _("Done loading")) {
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loaded = true;
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}
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return 2;
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}
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void ThreadShowMetricsScreen()
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{
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// Make this thread recognisable as the metrics screen thread
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RenameThread("zcash-metrics-screen");
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// Determine whether we should render a persistent UI or rolling metrics
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bool isTTY = isatty(STDOUT_FILENO);
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bool isScreen = GetBoolArg("-metricsui", isTTY);
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int64_t nRefresh = GetArg("-metricsrefreshtime", isTTY ? 1 : 600);
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if (isScreen) {
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// Clear screen
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std::cout << "\e[2J";
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// Print art
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std::cout << METRICS_ART << std::endl;
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std::cout << std::endl;
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// Thank you text
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std::cout << _("Thank you for running a Zcash node!") << std::endl;
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std::cout << _("You're helping to strengthen the network and contributing to a social good :)") << std::endl;
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// Privacy notice text
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std::cout << PrivacyInfo();
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std::cout << std::endl;
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}
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while (true) {
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// Number of lines that are always displayed
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int lines = 1;
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int cols = 80;
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// Get current window size
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if (isTTY) {
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struct winsize w;
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w.ws_col = 0;
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if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1 && w.ws_col != 0) {
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cols = w.ws_col;
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}
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}
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if (isScreen) {
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// Erase below current position
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std::cout << "\e[J";
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}
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// Miner status
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#ifdef ENABLE_MINING
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bool mining = GetBoolArg("-gen", false);
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#else
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bool mining = false;
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#endif
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if (loaded) {
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lines += printStats(mining);
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lines += printMiningStatus(mining);
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}
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lines += printMetrics(cols, mining);
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lines += printMessageBox(cols);
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lines += printInitMessage();
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if (isScreen) {
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// Explain how to exit
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std::cout << "[" << _("Press Ctrl+C to exit") << "] [" << _("Set 'showmetrics=0' to hide") << "]" << std::endl;
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} else {
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// Print delineator
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std::cout << "----------------------------------------" << std::endl;
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}
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*nNextRefresh = GetTime() + nRefresh;
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while (GetTime() < *nNextRefresh) {
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boost::this_thread::interruption_point();
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MilliSleep(200);
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}
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if (isScreen) {
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// Return to the top of the updating section
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std::cout << "\e[" << lines << "A";
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}
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}
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}
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