added rtmt

This commit is contained in:
jhalitaksoy 2021-06-29 03:25:42 +03:00
parent e0fd248466
commit c0c1238b25
3 changed files with 19 additions and 21 deletions

View File

@ -4,14 +4,15 @@ import { Bytes } from "./rtmt";
const headerLenght = 4
export type Message = {
channel : string,
data : Bytes,
channel: string,
data: Bytes,
}
//
// channel is string, message is byte array
//
export function encode(message : Message) {
const {channel, data} = message
export function encode(message: Message) {
const { channel, data } = message
const channelLenght = channel.length
const messageLenght = data.length
const totalLenght = headerLenght + channelLenght + messageLenght
@ -24,15 +25,15 @@ export function encode(message : Message) {
const channelBytes = encodeText(channel)
let count = headerLenght
channelBytes.forEach((byte : any)=>{
view.setUint8(count, byte)
channelBytes.forEach((byte: any) => {
view.setUint8(count, byte)
count++
})
for (const byte of data) {
data.forEach((byte: any) => {
view.setUint8(count, byte)
count++
}
})
return buffer
}
@ -40,16 +41,12 @@ export function encode(message : Message) {
//
// return { channel : string, message : byte array}
//
export function decode(bytes : Bytes) : Message {
const view = new DataView(bytes.buffer);
const channelLenght = view.getUint32(0)
export function decode(bytes: Bytes): Message {
const channelLenght = bytes.readInt32BE(0)
const channel = decodeText(
bytes.slice(headerLenght, headerLenght + channelLenght))
const message = bytes.slice(headerLenght + channelLenght)
const message = bytes.slice(headerLenght + channelLenght)
return {
"channel": channel,

View File

@ -1,4 +1,4 @@
export type Bytes = UInt8Array
export type Bytes = Buffer
export type OnMessage = (clientID : string, message : Bytes) => any
export interface RTMT{

View File

@ -17,19 +17,18 @@ export class RTMTWS implements RTMT {
this.wsServer = null
}
initWebSocket(server: http.Server, onopen: () => any) {
initWebSocket(server: http.Server, onopen: (userKey : string) => any) {
const wsServer = new WebSocket.Server({ server })
this.wsServer = wsServer
this.clients = new Map<string, WebSocket>()
wsServer.on("connection", (ws: WebSocket, req: Request) => {
console.log(req.url);
const regexResult = req.url.split(RegExp("\/\?userKey="));
const clientID = regexResult[1]
console.log(regexResult);
this.clients.set(clientID, ws)
ws.on("message", (messageBytes: Bytes) => {
console.log('received: %s', messageBytes);
this.onWebSocketMessage("0", messageBytes)
this.onWebSocketMessage(clientID, messageBytes)
})
ws.on("close", (code: number, reason: string) => {
@ -41,6 +40,8 @@ export class RTMTWS implements RTMT {
console.log("WS Closed with error! error : " + err.message);
this.clients.delete(clientID)
})
onopen(clientID)
})
}
@ -70,7 +71,7 @@ export class RTMTWS implements RTMT {
}
onMessage(clientID: string, channel: string, message: Int8Array) {
onMessage(clientID: string, channel: string, message: Bytes) {
const callback = this.messageChannels.get(channel)
if (callback) {
callback(clientID, message)