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✨ feat: Host a relay on Hetzner (#114)
We are hosting a [MoQ](https://quic.video) relay on a remote (bare metal) server on Hetzner With a lot of help from @victorpahuus
This commit is contained in:
Wanjohi
GitHub
208
apps/www/src/routes/(moq)/moq/checker/tester.ts
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208
apps/www/src/routes/(moq)/moq/checker/tester.ts
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@@ -0,0 +1,208 @@
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import type { Connection, SubscribeRecv } from "@nestri/moq/transport"
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import { asError } from "@nestri/moq/common/error"
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import { Client } from "@nestri/moq/transport/client"
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import * as Catalog from "@nestri/moq/media/catalog"
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import { type GroupWriter } from "@nestri/moq/transport/objects"
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export interface BroadcastConfig {
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namespace: string
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connection: Connection
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}
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export interface BroadcasterConfig {
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url: string
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namespace: string
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fingerprint?: string // URL to fetch TLS certificate fingerprint
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}
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export interface BroadcastConfigTrack {
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input: string
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bitrate: number
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}
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export class Broadcast {
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stream: GroupWriter | null
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subscriber: SubscribeRecv | null
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subscribed: boolean;
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readonly config: BroadcastConfig
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readonly catalog: Catalog.Root
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readonly connection: Connection
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readonly namespace: string
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#running: Promise<void>
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constructor(config: BroadcastConfig) {
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this.subscribed = false
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this.namespace = config.namespace
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this.connection = config.connection
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this.config = config
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//Arbitrary values, just to keep TypeScript happy :)
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this.catalog = {
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version: 1,
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streamingFormat: 1,
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streamingFormatVersion: "0.2",
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supportsDeltaUpdates: false,
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commonTrackFields: {
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packaging: "loc",
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renderGroup: 1,
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},
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tracks: [{
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name: "tester",
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namespace: "tester",
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selectionParams: {}
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}],
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}
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this.stream = null
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this.subscriber = null
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this.#running = this.#run()
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}
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static async init(config: BroadcasterConfig): Promise<Broadcast> {
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const client = new Client({ url: config.url, fingerprint: config.fingerprint, role: "publisher" })
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const connection = await client.connect();
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return new Broadcast({ connection, namespace: config.namespace })
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}
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async #run() {
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try {
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await this.connection.announce(this.namespace)
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this.subscribed = true
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} catch (error) {
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this.subscribed = false
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}
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for (; ;) {
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const subscriber = await this.connection.subscribed()
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if (!subscriber) {
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this.subscribed = false
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break
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}
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await subscriber.ack()
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this.subscriber = subscriber
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this.subscribed = true
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const bytes = Catalog.encode(this.catalog);
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const stream = await subscriber.group({ group: 0 });
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await stream.write({ object: 0, payload: bytes })
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this.stream = stream
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}
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}
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isSubscribed(): boolean {
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return this.subscribed;
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}
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// async #serveSubscribe(subscriber: SubscribeRecv) {
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// try {
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// // Send a SUBSCRIBE_OK
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// await subscriber.ack()
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// console.log("catalog track name:", subscriber.track)
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// const stream = await subscriber.group({ group: 0 });
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// // const bytes = this.catalog.encode("Hello World")
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// await stream.write({ object: 0, payload: bytes })
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// } catch (e) {
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// const err = asError(e)
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// await subscriber.close(1n, `failed to process publish: ${err.message}`)
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// } finally {
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// // TODO we can't close subscribers because there's no support for clean termination
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// // await subscriber.close()
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// }
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// }
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// async mouseUpdatePosition({ x, y }: { x: number, y: number }, stream: GroupWriter) {
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// const mouse_move = {
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// input_type: "mouse_move",
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// delta_y: y,
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// delta_x: x,
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// }
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// const bytes = Catalog.encode(this.catalog)
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// await stream.write({ object: 0, payload: bytes });
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// }
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// async mouseUpdateButtons(e: MouseEvent, stream: GroupWriter) {
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// const data: { input_type?: "mouse_key_down" | "mouse_key_up"; button: number; } = { button: e.button };
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// if (e.type === "mousedown") {
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// data["input_type"] = "mouse_key_down"
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// } else if (e.type === "mouseup") {
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// data["input_type"] = "mouse_key_up"
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// }
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// const bytes = Catalog.encode(this.catalog)
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// await stream.write({ object: 0, payload: bytes });
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// }
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// async mouseUpdateWheel(e: WheelEvent, stream: GroupWriter) {
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// const data: { input_type?: "mouse_wheel_up" | "mouse_wheel_down" } = {}
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// if (e.deltaY < 0.0) {
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// data["input_type"] = "mouse_wheel_up"
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// } else {
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// data["input_type"] = "mouse_wheel_down"
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// }
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// const bytes = Catalog.encode(this.catalog)
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// await stream.write({ object: 0, payload: bytes });
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// }
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// async updateKeyUp(e: KeyboardEvent, stream: GroupWriter) {
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// const data = {
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// input_type: "key_up",
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// key_code: e.keyCode
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// }
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// const bytes = Catalog.encode(this.catalog)
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// await stream.write({ object: 0, payload: bytes });
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// }
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// async updateKeyDown(e: KeyboardEvent, stream: GroupWriter) {
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// const data = {
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// input_type: "key_down",
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// key_code: e.keyCode
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// }
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// const bytes = Catalog.encode(this.catalog)
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// await stream.write({ object: 0, payload: bytes });
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// }
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close() {
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// TODO implement publish close
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}
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// Returns the error message when the connection is closed
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async closed(): Promise<Error> {
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try {
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await this.#running
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return new Error("closed") // clean termination
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} catch (e) {
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return asError(e)
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}
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}
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}
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