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// Copyright 2018 Red Hat, Inc
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
import * as React from 'react'
import PropTypes from 'prop-types'
import { connect } from 'react-redux'
import Sockette from 'sockette'
import {Checkbox, Form, FormGroup, FormControl} from 'patternfly-react'
import { PageSection, PageSectionVariants } from '@patternfly/react-core'
import 'xterm/css/xterm.css'
import { Terminal } from 'xterm'
import { FitAddon} from 'xterm-addon-fit'
import { WebLinksAddon } from 'xterm-addon-web-links'
import { SearchAddon } from 'xterm-addon-search'
import { getStreamUrl } from '../api'
class StreamPage extends React.Component {
static propTypes = {
match: PropTypes.object.isRequired,
location: PropTypes.object.isRequired,
tenant: PropTypes.object
}
state = {
searchRegex: false,
searchCaseSensitive: false,
searchWholeWord: false,
}
constructor() {
super()
this.receiveBuffer = ''
this.displayRef = React.createRef()
this.lines = []
}
componentWillUnmount () {
if (this.ws) {
console.log('Remove ws')
this.ws.close()
}
}
onMessage = (message) => {
this.term.write(message)
}
onResize = () => {
this.fitAddon.fit()
}
componentDidMount() {
const params = {
uuid: this.props.match.params.buildId
}
const urlParams = new URLSearchParams(this.props.location.search)
const logfile = urlParams.get('logfile')
if (logfile) {
params.logfile = logfile
}
document.title = 'Zuul Stream | ' + params.uuid.slice(0, 7)
const term = new Terminal()
const fitAddon = new FitAddon()
const webLinksAddon = new WebLinksAddon()
const searchAddon = new SearchAddon()
term.loadAddon(fitAddon)
term.loadAddon(webLinksAddon)
term.loadAddon(searchAddon)
term.setOption('fontSize', 12)
term.setOption('scrollback', 1000000)
term.setOption('disableStdin', true)
term.setOption('convertEol', true)
// Block all keys but page up/down. This needs to be done so ctrl+c can
// be used to copy text from the terminal.
term.attachCustomKeyEventHandler(function (e) {
return e.key === 'PageDown' || e.key === 'PageUp'
})
term.open(this.terminal)
fitAddon.fit()
term.focus()
this.ws = new Sockette(getStreamUrl(this.props.tenant.apiPrefix), {
timeout: 5e3,
maxAttempts: 3,
onopen: () => {
console.log('onopen')
this.ws.send(JSON.stringify(params))
},
onmessage: e => {
this.onMessage(e.data)
},
onreconnect: e => {
console.log('Reconnecting...', e)
},
onmaximum: e => {
console.log('Stop Attempting!', e)
},
onclose: e => {
console.log('onclose', e)
this.onMessage('\n--- END OF STREAM ---\n')
},
onerror: e => {
console.log('onerror:', e)
}
})
this.term = term
this.searchAddon = searchAddon
this.fitAddon = fitAddon
term.element.style.padding = '5px'
this.onResize()
window.addEventListener('resize', this.onResize)
}
handleCheckBoxRegex = (e) => {
this.setState({searchRegex: e.target.checked})
}
handleCheckBoxCaseSensitive = (e) => {
this.setState({searchCaseSensitive: e.target.checked})
}
handleCheckBoxWholeWord = (e) => {
this.setState({searchWholeWord: e.target.checked})
}
getSearchOptions = () => {
return {
regex: this.state.searchRegex,
wholeWord: this.state.searchWholeWord,
caseSensitive: this.state.searchCaseSensitive,
}
}
handleKeyPress = (e) => {
const searchOptions = this.getSearchOptions()
searchOptions.incremental = e.key !== 'Enter'
if (e.key === 'Enter') {
// Don't reload the page on enter
e.preventDefault()
}
if (e.key === 'Enter' && e.shiftKey) {
this.searchAddon.findPrevious(e.target.value, searchOptions)
} else {
this.searchAddon.findNext(e.target.value, searchOptions)
}
}
render () {
return (
<PageSection variant={PageSectionVariants.light} >
<Form inline>
<FormGroup controlId='stream'>
<FormControl
type='text'
placeholder='search'
onKeyPress={this.handleKeyPress}
/>
Use regex:
<Checkbox
checked={this.state.searchRegex}
onChange={this.handleCheckBoxRegex}>
</Checkbox>
Case sensitive:
<Checkbox
checked={this.state.searchCaseSensitive}
onChange={this.handleCheckBoxCaseSensitive}>
</Checkbox>
Whole word:
<Checkbox
checked={this.state.searchWholeWord}
onChange={this.handleCheckBoxWholeWord}>
</Checkbox>
</FormGroup>
</Form>
<div id="terminal"
style={{ height: '85vh'}}
ref={ref => this.terminal = ref} />
</PageSection>
)
}
}
export default connect(state => ({tenant: state.tenant}))(StreamPage)
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