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// @flow
// Copyright 2017 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 withStyles from 'material-ui/styles/withStyles';
import Typography from 'material-ui/Typography';
import Grid from 'material-ui/Grid';
import {ResponsiveContainer, AreaChart, Area, Tooltip} from 'recharts';
import ChartRow from './ChartRow';
import CustomTooltip, {bytePlotter, bytePerSecPlotter, percentPlotter, multiplier} from './CustomTooltip';
import {styles as commonStyles} from '../common';
import type {General, System} from '../types/content';
const FOOTER_SYNC_ID = 'footerSyncId';
const CPU = 'cpu';
const MEMORY = 'memory';
const DISK = 'disk';
const TRAFFIC = 'traffic';
const TOP = 'Top';
const BOTTOM = 'Bottom';
// styles contains the constant styles of the component.
const styles = {
footer: {
maxWidth: '100%',
flexWrap: 'nowrap',
margin: 0,
},
chartRowWrapper: {
height: '100%',
padding: 0,
},
doubleChartWrapper: {
height: '100%',
width: '99%',
},
};
// themeStyles returns the styles generated from the theme for the component.
const themeStyles: Object = (theme: Object) => ({
footer: {
backgroundColor: theme.palette.grey[900],
color: theme.palette.getContrastText(theme.palette.grey[900]),
zIndex: theme.zIndex.appBar,
height: theme.spacing.unit * 10,
},
});
export type Props = {
classes: Object, // injected by withStyles()
theme: Object,
general: General,
system: System,
shouldUpdate: Object,
};
// Footer renders the footer of the dashboard.
class Footer extends Component<Props> {
shouldComponentUpdate(nextProps) {
return typeof nextProps.shouldUpdate.general !== 'undefined' || typeof nextProps.shouldUpdate.system !== 'undefined';
}
// halfHeightChart renders an area chart with half of the height of its parent.
halfHeightChart = (chartProps, tooltip, areaProps) => (
<ResponsiveContainer width='100%' height='50%'>
<AreaChart {...chartProps} >
{!tooltip || (<Tooltip cursor={false} content={<CustomTooltip tooltip={tooltip} />} />)}
<Area isAnimationActive={false} type='monotone' {...areaProps} />
</AreaChart>
</ResponsiveContainer>
);
// doubleChart renders a pair of charts separated by the baseline.
doubleChart = (syncId, chartKey, topChart, bottomChart) => {
if (!Array.isArray(topChart.data) || !Array.isArray(bottomChart.data)) {
return null;
}
const topDefault = topChart.default || 0;
const bottomDefault = bottomChart.default || 0;
const topKey = `${chartKey}${TOP}`;
const bottomKey = `${chartKey}${BOTTOM}`;
const topColor = '#8884d8';
const bottomColor = '#82ca9d';
return (
<div style={styles.doubleChartWrapper}>
{this.halfHeightChart(
{
syncId,
data: topChart.data.map(({value}) => ({[topKey]: value || topDefault})),
margin: {top: 5, right: 5, bottom: 0, left: 5},
},
topChart.tooltip,
{dataKey: topKey, stroke: topColor, fill: topColor},
)}
{this.halfHeightChart(
{
syncId,
data: bottomChart.data.map(({value}) => ({[bottomKey]: -value || -bottomDefault})),
margin: {top: 0, right: 5, bottom: 5, left: 5},
},
bottomChart.tooltip,
{dataKey: bottomKey, stroke: bottomColor, fill: bottomColor},
)}
</div>
);
};
render() {
const {general, system} = this.props;
return (
<Grid container className={this.props.classes.footer} direction='row' alignItems='center' style={styles.footer}>
<Grid item xs style={styles.chartRowWrapper}>
<ChartRow>
{this.doubleChart(
FOOTER_SYNC_ID,
CPU,
{data: system.processCPU, tooltip: percentPlotter('Process load')},
{data: system.systemCPU, tooltip: percentPlotter('System load', multiplier(-1))},
)}
{this.doubleChart(
FOOTER_SYNC_ID,
MEMORY,
{data: system.activeMemory, tooltip: bytePlotter('Active memory')},
{data: system.virtualMemory, tooltip: bytePlotter('Virtual memory', multiplier(-1))},
)}
{this.doubleChart(
FOOTER_SYNC_ID,
DISK,
{data: system.diskRead, tooltip: bytePerSecPlotter('Disk read')},
{data: system.diskWrite, tooltip: bytePerSecPlotter('Disk write', multiplier(-1))},
)}
{this.doubleChart(
FOOTER_SYNC_ID,
TRAFFIC,
{data: system.networkIngress, tooltip: bytePerSecPlotter('Download')},
{data: system.networkEgress, tooltip: bytePerSecPlotter('Upload', multiplier(-1))},
)}
</ChartRow>
</Grid>
<Grid item >
<Typography type='caption' color='inherit'>
<span style={commonStyles.light}>Geth</span> {general.version}
</Typography>
{general.commit && (
<Typography type='caption' color='inherit'>
<span style={commonStyles.light}>{'Commit '}</span>
<a href={`https://github.com/ethereum/go-ethereum/commit/${general.commit}`} target='_blank' style={{color: 'inherit', textDecoration: 'none'}} >
{general.commit.substring(0, 8)}
</a>
</Typography>
)}
</Grid>
</Grid>
);
}
}
export default withStyles(themeStyles)(Footer);
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