Files
mqtt-explorer/app/src/components/BrokerStatistics.tsx
Thomas Nordquist 6853066a19 Add light theme
2019-04-03 06:09:34 +02:00

134 lines
3.5 KiB
TypeScript

import * as q from '../../../backend/src/Model'
import * as React from 'react'
import { AppState } from '../reducers'
import { connect } from 'react-redux'
import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
import { TopicViewModel } from '../TopicViewModel'
import { Typography } from '@material-ui/core'
import { Base64Message } from '../../../backend/src/Model/Base64Message';
import lime from '@material-ui/core/colors/teal'
const abbreviate = require('number-abbreviate')
interface Stats {
topic: string
title: string
}
const styles: StyleRulesCallback = theme => ({
flex: {
display: 'flex',
width: '100%',
},
container: {
width: '100%',
height: '224px',
backgroundColor: theme.palette.type === 'dark' ? 'rebeccapurple' : '#ebebeb',
marginBottom: 0,
padding: '8px',
},
})
interface Props {
classes: any
tree?: q.Tree<TopicViewModel>
}
class BrokerStatistics extends React.Component<Props, {}> {
constructor(props: any) {
super(props)
this.state = {}
}
public render() {
const { tree, classes } = this.props
if (!tree || !tree.findNode('$SYS/broker/clients/total')) {
return null
}
const stats: any = {
broker: {
topic: '$SYS/broker/version',
title: 'Broker',
},
clients: {
topic: '$SYS/broker/clients/total',
title: 'Clients',
},
subscriptions: {
topic: '$SYS/broker/subscriptions/count',
title: 'Subscriptions',
},
received: {
topic: '$SYS/broker/messages/received',
title: 'Received',
},
sent: {
topic: '$SYS/broker/messages/sent',
title: 'Sent',
},
received5m: {
topic: '$SYS/broker/load/messages/received/5min',
title: 'Received last 5min',
},
sent5m: {
topic: '$SYS/broker/load/messages/sent/5min',
title: 'Sent 5m',
},
heap: {
topic: '$SYS/broker/heap/current',
title: 'Memory',
},
heapMax: {
topic: '$SYS/broker/heap/maximum',
title: 'Memory (max)',
},
}
return (
<div className={classes.container}>
{this.renderStat(tree, stats.broker)}
{this.renderPair(tree, stats.sent, stats.received)}
{this.renderPair(tree, stats.clients, stats.subscriptions)}
{this.renderPair(tree, stats.sent5m, stats.received5m)}
{this.renderPair(tree, stats.heap, stats.heapMax)}
</div>
)
}
private renderPair(tree: q.Tree<TopicViewModel>, a: Stats, b: Stats) {
return (
<div className={this.props.classes.flex}>
<div style={{ flex: 1 }}>{this.renderStat(tree, a)}</div>
<div style={{ flex: 1 }}>{this.renderStat(tree, b)}</div>
</div>
)
}
public renderStat(tree: q.Tree<TopicViewModel>, stat: Stats) {
const node = tree.findNode(stat.topic)
if (!node || !node.message) {
return null
}
const str = node.message.value ? Base64Message.toUnicodeString(node.message.value) : ''
let value = (node.message && node.message.value) ? parseFloat(str) : NaN
value = !isNaN(value) ? abbreviate(value) : str
return (
<div key={stat.title}>
<Typography><b>{stat.title}</b></Typography>
<Typography style={{ paddingLeft: '8px' }}><i>{value}</i></Typography>
</div>
)
}
}
const mapStateToProps = (state: AppState) => {
return {
tree: state.connection.tree,
}
}
export default withStyles(styles)(connect(mapStateToProps)(BrokerStatistics))