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import React, { Component } from "react"; | |
import "./App.css"; | |
import MQTT from "mqtt"; | |
import RTChart from "react-rt-chart"; | |
class App extends Component { | |
constructor(props) { | |
super(props); | |
this.state = { | |
url: "", | |
port: "", | |
username: "", | |
fulfilled: false, | |
password: "", | |
uptime: "", | |
tempIn: { | |
date: new Date(), | |
degrees: null | |
}, | |
tempOut: { | |
date: new Date(), | |
degrees: null | |
} | |
}; | |
} | |
uintToString = uintArray => { | |
var encodedString = String.fromCharCode.apply(null, uintArray), | |
decodedString = decodeURIComponent(escape(encodedString)); | |
return decodedString; | |
}; | |
mqttSub = (protocol, host, port, user, pass) => { | |
const client = MQTT.connect({ | |
port: port, | |
host: host, | |
path: "/mqtt", | |
protocol: protocol, | |
username: user, | |
password: pass | |
}); | |
client.on("connect", () => { | |
console.log("connected"); | |
client.subscribe("/" + user + "/dev1/out/time_up", { qos: 1 }, error => { | |
// console.error(error); | |
if (!error) { | |
console.log("subscribed"); | |
console.log(this.state.data); | |
} | |
}); | |
client.subscribe("/" + user + "/dev1/out/temp_out", { qos: 1 }, error => { | |
// console.error(error); | |
if (!error) { | |
console.log("subscribed"); | |
// console.log(this.state.data); | |
} | |
}); | |
client.subscribe("/" + user + "/dev1/out/temp_in", { qos: 1 }, error => { | |
// console.error(error); | |
if (!error) { | |
console.log("subscribed"); | |
// console.log(this.state.data); | |
} | |
}); | |
client.on("message", (topic, message) => { | |
console.log(topic, this.uintToString(message)); | |
if (topic === "/" + user + "/dev1/out/time_up") { | |
this.setState({ uptime: this.uintToString(message) }); | |
} | |
if (topic === "/" + user + "/dev1/out/temp_out") { | |
this.setState({ | |
tempOut: { date: new Date(), degrees: this.uintToString(message) } | |
}); | |
} | |
if (topic === "/" + user + "/dev1/out/temp_in") { | |
this.setState({ | |
tempIn: { date: new Date(), degrees: this.uintToString(message) } | |
}); | |
} | |
}); | |
}); | |
}; | |
changeURL = event => { | |
this.setState({ url: event.target.value }); | |
}; | |
changePort = event => { | |
this.setState({ port: event.target.value }); | |
}; | |
changeUsername = event => { | |
console.log(event.target.value); | |
this.setState({ username: event.target.value }); | |
}; | |
changePassword = event => { | |
console.log(event.target.value); | |
this.setState({ password: event.target.value }); | |
}; | |
componentDidMount() { | |
setInterval(() => this.forceUpdate(), 6000); | |
} | |
onSubmit = event => { | |
event.preventDefault(); | |
this.setState({ | |
fulfilled: true | |
}); | |
console.log( | |
this.state.url, | |
this.state.port, | |
this.state.username, | |
this.state.password | |
); | |
var parser = document.createElement("a"); | |
parser.href = this.state.url; | |
// console.log(parser.protocol.slice(0, -1), parser.hostname); | |
this.mqttSub( | |
parser.protocol.slice(0, -1), | |
parser.hostname, | |
this.state.port, | |
this.state.username, | |
this.state.password | |
); | |
return false; | |
}; | |
render() { | |
const chart = { | |
// axis: { | |
// // y: { min: 10, max: 70 } | |
// }, | |
// point: { | |
// // show: false | |
// } | |
}; | |
return ( | |
<main className="App"> | |
<form onSubmit={this.onSubmit}> | |
<fieldset> | |
<label htmlFor="domain">Domain</label> | |
<input | |
type="url" | |
id="domain" | |
value={this.state.url} | |
required | |
onChange={this.changeURL} | |
placeholder="ws://test.net" | |
/> | |
</fieldset> | |
<fieldset> | |
<label htmlFor="port">Port</label> | |
<input | |
type="number" | |
id="port" | |
value={this.state.port} | |
required | |
onChange={this.changePort} | |
placeholder="9001" | |
/> | |
</fieldset> | |
<fieldset> | |
<label htmlFor="username">Username</label> | |
<input | |
type="text" | |
id="username" | |
value={this.state.username} | |
required | |
onChange={this.changeUsername} | |
placeholder="user1" | |
/> | |
</fieldset> | |
<fieldset> | |
<label htmlFor="password">Password</label> | |
<input | |
type="password" | |
id="password" | |
value={this.state.password} | |
required | |
onChange={this.changePassword} | |
/> | |
</fieldset> | |
<button type="submit">Connect</button> | |
</form> | |
{this.state.fulfilled && ( | |
<> | |
<h2>Uptime {this.state.uptime}</h2> | |
<hr /> | |
<h2>Temperature outside ℃</h2> | |
<RTChart | |
chart={chart} | |
fields={["degrees"]} | |
data={this.state.tempOut} | |
/> | |
<hr /> | |
<h2>Socket temperature ℃</h2> | |
<RTChart | |
chart={chart} | |
fields={["degrees"]} | |
data={this.state.tempIn} | |
/> | |
</> | |
)} | |
</main> | |
); | |
} | |
} | |
export default App; |
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