Official Go implementation of the Ethereum protocol
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go-ethereum/dashboard/assets/components/Network.jsx

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// @flow
// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
import React, {Component} from 'react';
import Table from '@material-ui/core/Table';
import TableHead from '@material-ui/core/TableHead';
import TableBody from '@material-ui/core/TableBody';
import TableRow from '@material-ui/core/TableRow';
import TableCell from '@material-ui/core/TableCell';
import Grid from '@material-ui/core/Grid/Grid';
import Typography from '@material-ui/core/Typography';
import {AreaChart, Area, Tooltip, YAxis} from 'recharts';
import {FontAwesomeIcon} from '@fortawesome/react-fontawesome';
import {faCircle as fasCircle} from '@fortawesome/free-solid-svg-icons';
import {faCircle as farCircle} from '@fortawesome/free-regular-svg-icons';
import convert from 'color-convert';
import CustomTooltip, {bytePlotter, multiplier} from 'CustomTooltip';
import type {Network as NetworkType, PeerEvent} from '../types/content';
import {styles as commonStyles, chartStrokeWidth, hues, hueScale} from '../common';
// Peer chart dimensions.
const trafficChartHeight = 18;
const trafficChartWidth = 400;
// setMaxIngress adjusts the peer chart's gradient values based on the given value.
const setMaxIngress = (peer, value) => {
peer.maxIngress = value;
peer.ingressGradient = [];
peer.ingressGradient.push({offset: hueScale[0], color: hues[0]});
let i = 1;
for (; i < hues.length && value > hueScale[i]; i++) {
peer.ingressGradient.push({offset: Math.floor(hueScale[i] * 100 / value), color: hues[i]});
}
i--;
if (i < hues.length - 1) {
// Usually the maximum value gets between two points on the predefined
// color scale (e.g. 123KB is somewhere between 100KB (#FFFF00) and
// 1MB (#FF0000)), and the charts need to be comparable by the colors,
// so we have to calculate the last hue using the maximum value and the
// surrounding hues in order to avoid the uniformity of the top colors
// on the charts. For this reason the two hues are translated into the
// CIELAB color space, and the top color will be their weighted average
// (CIELAB is perceptually uniform, meaning that any point on the line
// between two pure color points is also a pure color, so the weighted
// average will not lose from the saturation).
//
// In case the maximum value is greater than the biggest predefined
// scale value, the top of the chart will have uniform color.
const lastHue = convert.hex.lab(hues[i]);
const proportion = (value - hueScale[i]) * 100 / (hueScale[i + 1] - hueScale[i]);
convert.hex.lab(hues[i + 1]).forEach((val, j) => {
lastHue[j] = (lastHue[j] * proportion + val * (100 - proportion)) / 100;
});
peer.ingressGradient.push({offset: 100, color: `#${convert.lab.hex(lastHue)}`});
}
};
// setMaxEgress adjusts the peer chart's gradient values based on the given value.
// In case of the egress the chart is upside down, so the gradients need to be
// calculated inversely compared to the ingress.
const setMaxEgress = (peer, value) => {
peer.maxEgress = value;
peer.egressGradient = [];
peer.egressGradient.push({offset: 100 - hueScale[0], color: hues[0]});
let i = 1;
for (; i < hues.length && value > hueScale[i]; i++) {
peer.egressGradient.unshift({offset: 100 - Math.floor(hueScale[i] * 100 / value), color: hues[i]});
}
i--;
if (i < hues.length - 1) {
// Calculate the last hue.
const lastHue = convert.hex.lab(hues[i]);
const proportion = (value - hueScale[i]) * 100 / (hueScale[i + 1] - hueScale[i]);
convert.hex.lab(hues[i + 1]).forEach((val, j) => {
lastHue[j] = (lastHue[j] * proportion + val * (100 - proportion)) / 100;
});
peer.egressGradient.unshift({offset: 0, color: `#${convert.lab.hex(lastHue)}`});
}
};
// setIngressChartAttributes searches for the maximum value of the ingress
// samples, and adjusts the peer chart's gradient values accordingly.
const setIngressChartAttributes = (peer) => {
let max = 0;
peer.ingress.forEach(({value}) => {
if (value > max) {
max = value;
}
});
setMaxIngress(peer, max);
};
// setEgressChartAttributes searches for the maximum value of the egress
// samples, and adjusts the peer chart's gradient values accordingly.
const setEgressChartAttributes = (peer) => {
let max = 0;
peer.egress.forEach(({value}) => {
if (value > max) {
max = value;
}
});
setMaxEgress(peer, max);
};
// inserter is a state updater function for the main component, which handles the peers.
export const inserter = (sampleLimit: number) => (update: NetworkType, prev: NetworkType) => {
// The first message contains the metered peer history.
if (update.peers && update.peers.bundles) {
prev.peers = update.peers;
Object.values(prev.peers.bundles).forEach((bundle) => {
if (bundle.knownPeers) {
Object.values(bundle.knownPeers).forEach((peer) => {
if (!peer.maxIngress) {
setIngressChartAttributes(peer);
}
if (!peer.maxEgress) {
setEgressChartAttributes(peer);
}
});
}
});
}
if (Array.isArray(update.diff)) {
update.diff.forEach((event: PeerEvent) => {
if (!event.ip) {
console.error('Peer event without IP', event);
return;
}
switch (event.remove) {
case 'bundle': {
delete prev.peers.bundles[event.ip];
return;
}
case 'known': {
if (!event.id) {
console.error('Remove known peer event without ID', event.ip);
return;
}
const bundle = prev.peers.bundles[event.ip];
if (!bundle || !bundle.knownPeers || !bundle.knownPeers[event.id]) {
console.error('No known peer to remove', event.ip, event.id);
return;
}
delete bundle.knownPeers[event.id];
return;
}
case 'attempt': {
const bundle = prev.peers.bundles[event.ip];
if (!bundle || !Array.isArray(bundle.attempts) || bundle.attempts.length < 1) {
console.error('No unknown peer to remove', event.ip);
return;
}
bundle.attempts.splice(0, 1);
return;
}
}
if (!prev.peers.bundles[event.ip]) {
prev.peers.bundles[event.ip] = {
location: {
country: '',
city: '',
latitude: 0,
longitude: 0,
},
knownPeers: {},
attempts: [],
};
}
const bundle = prev.peers.bundles[event.ip];
if (event.location) {
bundle.location = event.location;
return;
}
if (!event.id) {
if (!bundle.attempts) {
bundle.attempts = [];
}
bundle.attempts.push({
connected: event.connected,
disconnected: event.disconnected,
});
return;
}
if (!bundle.knownPeers) {
bundle.knownPeers = {};
}
if (!bundle.knownPeers[event.id]) {
bundle.knownPeers[event.id] = {
connected: [],
disconnected: [],
ingress: [],
egress: [],
active: false,
};
}
const peer = bundle.knownPeers[event.id];
if (!peer.maxIngress) {
setIngressChartAttributes(peer);
}
if (!peer.maxEgress) {
setEgressChartAttributes(peer);
}
if (event.connected) {
if (!peer.connected) {
console.warn('peer.connected should exist');
peer.connected = [];
}
peer.connected.push(event.connected);
}
if (event.disconnected) {
if (!peer.disconnected) {
console.warn('peer.disconnected should exist');
peer.disconnected = [];
}
peer.disconnected.push(event.disconnected);
}
switch (event.activity) {
case 'active':
peer.active = true;
break;
case 'inactive':
peer.active = false;
break;
}
if (Array.isArray(event.ingress) && Array.isArray(event.egress)) {
if (event.ingress.length !== event.egress.length) {
console.error('Different traffic sample length', event);
return;
}
// Check if there is a new maximum value, and reset the colors in case.
let maxIngress = peer.maxIngress;
event.ingress.forEach(({value}) => {
if (value > maxIngress) {
maxIngress = value;
}
});
if (maxIngress > peer.maxIngress) {
setMaxIngress(peer, maxIngress);
}
// Push the new values.
peer.ingress.splice(peer.ingress.length, 0, ...event.ingress);
const ingressDiff = peer.ingress.length - sampleLimit;
if (ingressDiff > 0) {
// Check if the maximum value is in the beginning.
let i = 0;
while (i < ingressDiff && peer.ingress[i].value < peer.maxIngress) {
i++;
}
// Remove the old values from the beginning.
peer.ingress.splice(0, ingressDiff);
if (i < ingressDiff) {
// Reset the colors if the maximum value leaves the chart.
setIngressChartAttributes(peer);
}
}
// Check if there is a new maximum value, and reset the colors in case.
let maxEgress = peer.maxEgress;
event.egress.forEach(({value}) => {
if (value > maxEgress) {
maxEgress = value;
}
});
if (maxEgress > peer.maxEgress) {
setMaxEgress(peer, maxEgress);
}
// Push the new values.
peer.egress.splice(peer.egress.length, 0, ...event.egress);
const egressDiff = peer.egress.length - sampleLimit;
if (egressDiff > 0) {
// Check if the maximum value is in the beginning.
let i = 0;
while (i < egressDiff && peer.egress[i].value < peer.maxEgress) {
i++;
}
// Remove the old values from the beginning.
peer.egress.splice(0, egressDiff);
if (i < egressDiff) {
// Reset the colors if the maximum value leaves the chart.
setEgressChartAttributes(peer);
}
}
}
});
}
return prev;
};
// styles contains the constant styles of the component.
const styles = {
tableHead: {
height: 'auto',
},
tableRow: {
height: 'auto',
},
tableCell: {
paddingTop: 0,
paddingRight: 5,
paddingBottom: 0,
paddingLeft: 5,
border: 'none',
},
};
export type Props = {
container: Object,
content: NetworkType,
shouldUpdate: Object,
};
type State = {};
// Network renders the network page.
class Network extends Component<Props, State> {
componentDidMount() {
const {container} = this.props;
if (typeof container === 'undefined') {
return;
}
container.scrollTop = 0;
}
formatTime = (t: string) => {
const time = new Date(t);
if (isNaN(time)) {
return '';
}
const month = `0${time.getMonth() + 1}`.slice(-2);
const date = `0${time.getDate()}`.slice(-2);
const hours = `0${time.getHours()}`.slice(-2);
const minutes = `0${time.getMinutes()}`.slice(-2);
const seconds = `0${time.getSeconds()}`.slice(-2);
return `${month}/${date}/${hours}:${minutes}:${seconds}`;
};
copyToClipboard = (id) => (event) => {
event.preventDefault();
navigator.clipboard.writeText(id).then(() => {}, () => {
console.error("Failed to copy node id", id);
});
};
peerTableRow = (ip, id, bundle, peer) => {
const ingressValues = peer.ingress.map(({value}) => ({ingress: value || 0.001}));
const egressValues = peer.egress.map(({value}) => ({egress: -value || -0.001}));
return (
<TableRow key={`known_${ip}_${id}`} style={styles.tableRow}>
<TableCell style={styles.tableCell}>
{peer.active
? <FontAwesomeIcon icon={fasCircle} color='green' />
: <FontAwesomeIcon icon={farCircle} style={commonStyles.light} />
}
</TableCell>
<TableCell style={{fontFamily: 'monospace', cursor: 'copy', ...styles.tableCell, ...commonStyles.light}} onClick={this.copyToClipboard(id)}>
{id.substring(0, 10)}
</TableCell>
<TableCell style={styles.tableCell}>
{bundle.location ? (() => {
const l = bundle.location;
return `${l.country ? l.country : ''}${l.city ? `/${l.city}` : ''}`;
})() : ''}
</TableCell>
<TableCell style={styles.tableCell}>
<AreaChart
width={trafficChartWidth}
height={trafficChartHeight}
data={ingressValues}
margin={{top: 5, right: 5, bottom: 0, left: 5}}
syncId={`peerIngress_${ip}_${id}`}
>
<defs>
<linearGradient id={`ingressGradient_${ip}_${id}`} x1='0' y1='1' x2='0' y2='0'>
{peer.ingressGradient
&& peer.ingressGradient.map(({offset, color}, i) => (
<stop
key={`ingressStop_${ip}_${id}_${i}`}
offset={`${offset}%`}
stopColor={color}
/>
))}
</linearGradient>
</defs>
<Tooltip cursor={false} content={<CustomTooltip tooltip={bytePlotter('Download')} />} />
<YAxis hide scale='sqrt' domain={[0.001, dataMax => Math.max(dataMax, 0)]} />
<Area
dataKey='ingress'
isAnimationActive={false}
type='monotone'
fill={`url(#ingressGradient_${ip}_${id})`}
stroke={peer.ingressGradient[peer.ingressGradient.length - 1].color}
strokeWidth={chartStrokeWidth}
/>
</AreaChart>
<AreaChart
width={trafficChartWidth}
height={trafficChartHeight}
data={egressValues}
margin={{top: 0, right: 5, bottom: 5, left: 5}}
syncId={`peerIngress_${ip}_${id}`}
>
<defs>
<linearGradient id={`egressGradient_${ip}_${id}`} x1='0' y1='1' x2='0' y2='0'>
{peer.egressGradient
&& peer.egressGradient.map(({offset, color}, i) => (
<stop
key={`egressStop_${ip}_${id}_${i}`}
offset={`${offset}%`}
stopColor={color}
/>
))}
</linearGradient>
</defs>
<Tooltip cursor={false} content={<CustomTooltip tooltip={bytePlotter('Upload', multiplier(-1))} />} />
<YAxis hide scale='sqrt' domain={[dataMin => Math.min(dataMin, 0), -0.001]} />
<Area
dataKey='egress'
isAnimationActive={false}
type='monotone'
fill={`url(#egressGradient_${ip}_${id})`}
stroke={peer.egressGradient[0].color}
strokeWidth={chartStrokeWidth}
/>
</AreaChart>
</TableCell>
</TableRow>
);
};
render() {
return (
<Grid container direction='row' justify='space-between'>
<Grid item>
<Table>
<TableHead style={styles.tableHead}>
<TableRow style={styles.tableRow}>
<TableCell style={styles.tableCell} />
<TableCell style={styles.tableCell}>Node ID</TableCell>
<TableCell style={styles.tableCell}>Location</TableCell>
<TableCell style={styles.tableCell}>Traffic</TableCell>
</TableRow>
</TableHead>
<TableBody>
{Object.entries(this.props.content.peers.bundles).map(([ip, bundle]) => {
if (!bundle.knownPeers || Object.keys(bundle.knownPeers).length < 1) {
return null;
}
return Object.entries(bundle.knownPeers).map(([id, peer]) => {
if (peer.active === false) {
return null;
}
return this.peerTableRow(ip, id, bundle, peer);
});
})}
</TableBody>
<TableBody>
{Object.entries(this.props.content.peers.bundles).map(([ip, bundle]) => {
if (!bundle.knownPeers || Object.keys(bundle.knownPeers).length < 1) {
return null;
}
return Object.entries(bundle.knownPeers).map(([id, peer]) => {
if (peer.active === true) {
return null;
}
return this.peerTableRow(ip, id, bundle, peer);
});
})}
</TableBody>
</Table>
</Grid>
<Grid item>
<Typography variant='subtitle1' gutterBottom>
Connection attempts
</Typography>
<Table>
<TableHead style={styles.tableHead}>
<TableRow style={styles.tableRow}>
<TableCell style={styles.tableCell}>IP</TableCell>
<TableCell style={styles.tableCell}>Location</TableCell>
<TableCell style={styles.tableCell}>Nr</TableCell>
</TableRow>
</TableHead>
<TableBody>
{Object.entries(this.props.content.peers.bundles).map(([ip, bundle]) => {
if (!bundle.attempts || bundle.attempts.length < 1) {
return null;
}
return (
<TableRow key={`attempt_${ip}`} style={styles.tableRow}>
<TableCell style={styles.tableCell}>{ip}</TableCell>
<TableCell style={styles.tableCell}>
{bundle.location ? (() => {
const l = bundle.location;
return `${l.country ? l.country : ''}${l.city ? `/${l.city}` : ''}`;
})() : ''}
</TableCell>
<TableCell style={styles.tableCell}>
{Object.values(bundle.attempts).length}
</TableCell>
</TableRow>
);
})}
</TableBody>
</Table>
</Grid>
</Grid>
);
}
}
export default Network;