Files
hoppscotch/components/realtime/Mqtt.vue
2021-03-01 09:28:14 +05:30

309 lines
8.4 KiB
Vue

<template>
<div>
<AppSection class="blue" :label="$t('request')" no-legend>
<ul>
<li>
<label for="mqtt-url">{{ $t("url") }}</label>
<input
id="mqtt-url"
type="url"
v-model="url"
spellcheck="false"
class="md:rounded-bl-lg"
:placeholder="$t('url')"
/>
</li>
<div>
<li>
<label for="connect" class="hide-on-small-screen">&nbsp;</label>
<button
id="connect"
:disabled="!validUrl"
@click="toggleConnection"
class="rounded-b-lg md:rounded-bl-none md:rounded-br-lg"
>
{{ this.connectionState ? $t("disconnect") : $t("connect") }}
<span>
<i class="material-icons">{{ !connectionState ? "sync" : "sync_disabled" }}</i>
</span>
</button>
</li>
</div>
</ul>
</Appsection>
<AppSection class="blue" :label="$t('communication')" no-legend>
<ul>
<li>
<RealtimeLog :title="$t('log')" :log="this.log" />
</li>
</ul>
<ul>
<li>
<label for="pub_topic">{{ $t("mqtt_topic") }}</label>
<input id="pub_topic" type="text" v-model="pub_topic" spellcheck="false" />
</li>
<li>
<label for="mqtt-message">{{ $t("message") }}</label>
<input
id="mqtt-message"
type="text"
v-model="msg"
spellcheck="false"
class="border-dashed md:border-l border-brdColor"
/>
</li>
<div>
<li>
<label for="publish" class="hide-on-small-screen">&nbsp;</label>
<button id="publish" name="get" :disabled="!canpublish" @click="publish">
{{ $t("mqtt_publish") }}
<span>
<i class="material-icons">send</i>
</span>
</button>
</li>
</div>
</ul>
<ul>
<li>
<label for="sub_topic">{{ $t("mqtt_topic") }}</label>
<input
id="sub_topic"
type="text"
v-model="sub_topic"
spellcheck="false"
class="md:rounded-bl-lg"
/>
</li>
<div>
<li>
<label for="subscribe" class="hide-on-small-screen">&nbsp;</label>
<button
id="subscribe"
name="get"
:disabled="!cansubscribe"
@click="toggleSubscription"
class="rounded-b-lg md:rounded-bl-none md:rounded-br-lg"
>
{{ subscriptionState ? $t("mqtt_unsubscribe") : $t("mqtt_subscribe") }}
<span>
<i class="material-icons">{{ subscriptionState ? "sync_disabled" : "sync" }}</i>
</span>
</button>
</li>
</div>
</ul>
</Appsection>
</div>
</template>
<script>
import Paho from "paho-mqtt"
import debounce from "~/helpers/utils/debounce"
export default {
data() {
return {
url: "wss://test.mosquitto.org:8081",
isUrlValid: true,
client: null,
pub_topic: "",
sub_topic: "",
msg: "",
connectionState: false,
log: null,
manualDisconnect: false,
subscriptionState: false,
}
},
mounted() {
if (process.browser) {
this.worker = this.$worker.createRejexWorker()
this.worker.addEventListener("message", this.workerResponseHandler)
}
},
destroyed() {
this.worker.terminate()
},
watch: {
url(val) {
this.debouncer()
},
},
computed: {
validUrl() {
return this.isUrlValid
},
canpublish() {
return this.pub_topic != "" && this.msg != "" && this.connectionState
},
cansubscribe() {
return this.sub_topic != "" && this.connectionState
},
},
methods: {
debouncer: debounce(function () {
this.worker.postMessage({ type: "ws", url: this.url })
}, 1000),
workerResponseHandler({ data }) {
if (data.url === this.url) this.isUrlValid = data.result
},
connect() {
this.log = [
{
payload: this.$t("connecting_to", { name: this.url }),
source: "info",
color: "var(--ac-color)",
ts: new Date().toLocaleTimeString(),
},
]
let parseUrl = new URL(this.url)
this.client = new Paho.Client(
parseUrl.hostname,
parseUrl.port != "" ? Number(parseUrl.port) : 8081,
"postwoman"
)
this.client.connect({
onSuccess: this.onConnectionSuccess,
onFailure: this.onConnectionFailure,
useSSL: true,
})
this.client.onConnectionLost = this.onConnectionLost
this.client.onMessageArrived = this.onMessageArrived
},
onConnectionFailure() {
this.connectionState = false
this.log.push({
payload: this.$t("error_occurred"),
source: "info",
color: "#ff5555",
ts: new Date().toLocaleTimeString(),
})
},
onConnectionSuccess() {
this.connectionState = true
this.log.push({
payload: this.$t("connected_to", { name: this.url }),
source: "info",
color: "var(--ac-color)",
ts: new Date().toLocaleTimeString(),
})
this.$toast.success(this.$t("connected"), {
icon: "sync",
})
},
onMessageArrived({ payloadString, destinationName }) {
this.log.push({
payload: `Message: ${payloadString} arrived on topic: ${destinationName}`,
source: "info",
color: "var(--ac-color)",
ts: new Date().toLocaleTimeString(),
})
},
toggleConnection() {
if (this.connectionState) {
this.disconnect()
} else {
this.connect()
}
},
disconnect() {
this.manualDisconnect = true
this.client.disconnect()
this.log.push({
payload: this.$t("disconnected_from", { name: this.url }),
source: "info",
color: "#ff5555",
ts: new Date().toLocaleTimeString(),
})
},
onConnectionLost() {
this.connectionState = false
if (this.manualDisconnect) {
this.$toast.error(this.$t("disconnected"), {
icon: "sync_disabled",
})
} else {
this.$toast.error(this.$t("something_went_wrong"), {
icon: "error",
})
}
this.manualDisconnect = false
this.subscriptionState = false
},
publish() {
try {
this.client.publish(this.pub_topic, this.msg, 0, false)
this.log.push({
payload: `Published message: ${this.msg} to topic: ${this.pub_topic}`,
ts: new Date().toLocaleTimeString(),
source: "info",
color: "var(--ac-color)",
})
} catch (e) {
this.log.push({
payload:
this.$t("error_occurred") +
`while publishing msg: ${this.msg} to topic: ${this.pub_topic}`,
source: "info",
color: "#ff5555",
ts: new Date().toLocaleTimeString(),
})
}
},
toggleSubscription() {
if (this.subscriptionState) {
this.unsubscribe()
} else {
this.subscribe()
}
},
subscribe() {
try {
this.client.subscribe(this.sub_topic, {
onSuccess: this.usubSuccess,
onFailure: this.usubFailure,
})
} catch (e) {
this.log.push({
payload: this.$t("error_occurred") + `while subscribing to topic: ${this.sub_topic}`,
source: "info",
color: "#ff5555",
ts: new Date().toLocaleTimeString(),
})
}
},
usubSuccess() {
this.subscriptionState = !this.subscriptionState
this.log.push({
payload:
`Successfully ` +
(this.subscriptionState ? "subscribed" : "unsubscribed") +
` to topic: ${this.sub_topic}`,
source: "info",
color: "var(--ac-color)",
ts: new Date().toLocaleTimeString(),
})
},
usubFailure() {
this.log.push({
payload:
`Failed to ` +
(this.subscriptionState ? "unsubscribe" : "subscribe") +
` to topic: ${this.sub_topic}`,
source: "info",
color: "#ff5555",
ts: new Date().toLocaleTimeString(),
})
},
unsubscribe() {
this.client.unsubscribe(this.sub_topic, {
onSuccess: this.usubSuccess,
onFailure: this.usubFailure,
})
},
},
}
</script>