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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

5,123 bytes · SHA-256 a2781fdf3c072764… · View upstream ↗

1// Copyright (c) 2011-present 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#include <interfaces/node.h>
6#include <qt/trafficgraphwidget.h>
7#include <qt/clientmodel.h>
8
9#include <QPainter>
10#include <QPainterPath>
11#include <QColor>
12#include <QTimer>
13
14#include <chrono>
15#include <cmath>
16
17#define DESIRED_SAMPLES         800
18
19#define XMARGIN                 10
20#define YMARGIN                 10
21
22TrafficGraphWidget::TrafficGraphWidget(QWidget* parent)
23    : QWidget(parent),
24      vSamplesIn(),
25      vSamplesOut()
26{
27    timer = new QTimer(this);
28    connect(timer, &QTimer::timeout, this, &TrafficGraphWidget::updateRates);
29}
30
31void TrafficGraphWidget::setClientModel(ClientModel *model)
32{
33    clientModel = model;
34    if(model) {
35        nLastBytesIn = model->node().getTotalBytesRecv();
36        nLastBytesOut = model->node().getTotalBytesSent();
37    }
38}
39
40std::chrono::minutes TrafficGraphWidget::getGraphRange() const { return m_range; }
41
42void TrafficGraphWidget::paintPath(QPainterPath &path, QQueue<float> &samples)
43{
44    int sampleCount = samples.size();
45    if(sampleCount > 0) {
46        int h = height() - YMARGIN * 2, w = width() - XMARGIN * 2;
47        int x = XMARGIN + w;
48        path.moveTo(x, YMARGIN + h);
49        for(int i = 0; i < sampleCount; ++i) {
50            x = XMARGIN + w - w * i / DESIRED_SAMPLES;
51            int y = YMARGIN + h - (int)(h * samples.at(i) / fMax);
52            path.lineTo(x, y);
53        }
54        path.lineTo(x, YMARGIN + h);
55    }
56}
57
58void TrafficGraphWidget::paintEvent(QPaintEvent *)
59{
60    QPainter painter(this);
61    painter.fillRect(rect(), Qt::black);
62
63    if(fMax <= 0.0f) return;
64
65    QColor axisCol(Qt::gray);
66    int h = height() - YMARGIN * 2;
67    painter.setPen(axisCol);
68    painter.drawLine(XMARGIN, YMARGIN + h, width() - XMARGIN, YMARGIN + h);
69
70    // decide what order of magnitude we are
71    int base = std::floor(std::log10(fMax));
72    float val = std::pow(10.0f, base);
73
74    const QString units = tr("kB/s");
75    const float yMarginText = 2.0;
76
77    // draw lines
78    painter.setPen(axisCol);
79    painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax-yMarginText, QString("%1 %2").arg(val).arg(units));
80    for(float y = val; y < fMax; y += val) {
81        int yy = YMARGIN + h - h * y / fMax;
82        painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
83    }
84    // if we drew 3 or fewer lines, break them up at the next lower order of magnitude
85    if(fMax / val <= 3.0f) {
86        axisCol = axisCol.darker();
87        val = pow(10.0f, base - 1);
88        painter.setPen(axisCol);
89        painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax-yMarginText, QString("%1 %2").arg(val).arg(units));
90        int count = 1;
91        for(float y = val; y < fMax; y += val, count++) {
92            // don't overwrite lines drawn above
93            if(count % 10 == 0)
94                continue;
95            int yy = YMARGIN + h - h * y / fMax;
96            painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
97        }
98    }
99
100    painter.setRenderHint(QPainter::Antialiasing);
101    if(!vSamplesIn.empty()) {
102        QPainterPath p;
103        paintPath(p, vSamplesIn);
104        painter.fillPath(p, QColor(0, 255, 0, 128));
105        painter.setPen(Qt::green);
106        painter.drawPath(p);
107    }
108    if(!vSamplesOut.empty()) {
109        QPainterPath p;
110        paintPath(p, vSamplesOut);
111        painter.fillPath(p, QColor(255, 0, 0, 128));
112        painter.setPen(Qt::red);
113        painter.drawPath(p);
114    }
115}
116
117void TrafficGraphWidget::updateRates()
118{
119    if(!clientModel) return;
120
121    quint64 bytesIn = clientModel->node().getTotalBytesRecv(),
122            bytesOut = clientModel->node().getTotalBytesSent();
123    float in_rate_kilobytes_per_sec = static_cast<float>(bytesIn - nLastBytesIn) / timer->interval();
124    float out_rate_kilobytes_per_sec = static_cast<float>(bytesOut - nLastBytesOut) / timer->interval();
125    vSamplesIn.push_front(in_rate_kilobytes_per_sec);
126    vSamplesOut.push_front(out_rate_kilobytes_per_sec);
127    nLastBytesIn = bytesIn;
128    nLastBytesOut = bytesOut;
129
130    while(vSamplesIn.size() > DESIRED_SAMPLES) {
131        vSamplesIn.pop_back();
132    }
133    while(vSamplesOut.size() > DESIRED_SAMPLES) {
134        vSamplesOut.pop_back();
135    }
136
137    float tmax = 0.0f;
138    for (const float f : vSamplesIn) {
139        if(f > tmax) tmax = f;
140    }
141    for (const float f : vSamplesOut) {
142        if(f > tmax) tmax = f;
143    }
144    fMax = tmax;
145    update();
146}
147
148void TrafficGraphWidget::setGraphRange(std::chrono::minutes new_range)
149{
150    m_range = new_range;
151    const auto msecs_per_sample{std::chrono::duration_cast<std::chrono::milliseconds>(m_range) / DESIRED_SAMPLES};
152    timer->stop();
153    timer->setInterval(msecs_per_sample);
154
155    clear();
156}
157
158void TrafficGraphWidget::clear()
159{
160    timer->stop();
161
162    vSamplesOut.clear();
163    vSamplesIn.clear();
164    fMax = 0.0f;
165
166    if(clientModel) {
167        nLastBytesIn = clientModel->node().getTotalBytesRecv();
168        nLastBytesOut = clientModel->node().getTotalBytesSent();
169    }
170    timer->start();
171}
172

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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