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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import { useRef, useState, useEffect } from "react"; | ||
| import Peer, { DataConnection } from "peerjs"; | ||
| import { PEERJS_OPTIONS } from "./config"; | ||
|
|
||
| export enum Action { | ||
| VOL_UP, | ||
| VOL_DN, | ||
| PG_UP, | ||
| PG_DN, | ||
| F5, | ||
| ESC, | ||
| } | ||
| export interface Message { | ||
| action: Action; | ||
| } | ||
|
|
||
| type Status = "CONNECTING" | "CONNECTED" | "DISCONNECTED" | "INIT" | "READY"; | ||
|
|
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| export function usePeer(id?: string, listener?: boolean) { | ||
| const peerRef = useRef<Peer>(); | ||
| const connRef = useRef<DataConnection>(); | ||
| const addressRef = useRef<null | string>(""); | ||
| const checkConnectionIntervalRef = useRef<number | null>(null); | ||
| const connectIntervalRef = useRef<number | null>(null); | ||
| const [message, setMessage] = useState<Message | null>() | ||
|
|
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| const [status, setStatus] = useState<Status>("INIT"); | ||
|
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|
|
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| function onMessage(message: unknown) { | ||
| const data = JSON.parse(message as string) as Message | null; | ||
| setMessage(data) | ||
| } | ||
|
|
||
| function reconnect() { | ||
| if (checkConnectionIntervalRef.current) { | ||
| clearInterval(checkConnectionIntervalRef.current); | ||
| } | ||
| if (connectIntervalRef.current) { | ||
| clearInterval(connectIntervalRef.current); | ||
| } | ||
| // reconnect | ||
| peerRef.current?.destroy(); | ||
| connRef.current?.close(); | ||
| connRef.current = undefined; | ||
| peerRef.current = undefined; | ||
| setStatus("CONNECTING"); | ||
| if (checkConnectionIntervalRef.current) { | ||
| clearInterval(checkConnectionIntervalRef.current); | ||
| } | ||
| connectIntervalRef.current = setInterval(() => connect(), 5000); | ||
| } | ||
|
|
||
| function checkConnection() { | ||
| if (!connRef.current?.peerConnection) { | ||
| // reconnect | ||
| reconnect(); | ||
| } | ||
| } | ||
|
|
||
| async function createConnection() { | ||
| setStatus("CONNECTING"); | ||
| return new Promise<void>((resolve, reject) => { | ||
| console.log("connecting to ", addressRef.current); | ||
| if (id) { | ||
| peerRef.current = new Peer(id, PEERJS_OPTIONS); | ||
| } else { | ||
| peerRef.current = new Peer(PEERJS_OPTIONS); | ||
| } | ||
|
|
||
| peerRef.current.on("open", () => { | ||
| setStatus('READY') | ||
| if (addressRef.current) { | ||
| peerRef?.current?.on("error", (error) => reject(error)); | ||
| connRef.current = peerRef.current?.connect(addressRef.current); | ||
| connRef.current?.on("open", () => resolve()); | ||
| } | ||
| }); | ||
|
|
||
| }); | ||
| } | ||
|
|
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| function listen() { | ||
| if (id) { | ||
| peerRef.current = new Peer(id, PEERJS_OPTIONS); | ||
| } else { | ||
| peerRef.current = new Peer(PEERJS_OPTIONS); | ||
| } | ||
|
|
||
| peerRef.current?.on("open", () => { | ||
| setStatus('READY') | ||
| }); | ||
| peerRef.current.on('connection', conn => { | ||
| setStatus('CONNECTED') | ||
| connRef.current = conn | ||
| connRef.current?.on('data', onMessage) | ||
| connRef.current.on('iceStateChanged', (state) => { | ||
| if (state === 'disconnected' || state === 'closed') { | ||
| peerRef.current?.destroy(); | ||
| connRef.current?.close(); | ||
| connRef.current = undefined; | ||
| peerRef.current = undefined; | ||
| listen() | ||
| setStatus('DISCONNECTED') | ||
| return | ||
| } | ||
| }) | ||
| }) | ||
| } | ||
|
|
||
| if (listener) { | ||
| useEffect(() => { | ||
| listen() | ||
| }, []) | ||
| } | ||
|
|
||
| async function connect() { | ||
| try { | ||
| await createConnection(); | ||
| connRef.current?.on('data', onMessage) | ||
| connRef.current?.once("iceStateChanged", (state) => { | ||
| if ( | ||
| state === "disconnected" || | ||
| state == "closed" || | ||
| state == "failed" | ||
| ) { | ||
| reconnect(); | ||
| } | ||
| }); | ||
| if (connectIntervalRef.current) { | ||
| clearInterval(connectIntervalRef.current!); | ||
| } | ||
| checkConnectionIntervalRef.current = setInterval(checkConnection, 1000); | ||
| setStatus("CONNECTED"); | ||
| } catch (e) { | ||
| console.log(e); | ||
| } | ||
| } | ||
|
|
||
| function sendMessage(data: Message) { | ||
| console.log("sending => ", data); | ||
| navigator.vibrate(60); | ||
|
|
||
| connRef.current?.send(JSON.stringify(data)); | ||
| } | ||
|
|
||
| function connectWrapper(address: string) { | ||
| addressRef.current = address; | ||
| reconnect(); | ||
| } | ||
| return { connectWrapper, sendMessage, status, message }; | ||
| } | ||
|
|
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