feat: optimize websocket client

This commit is contained in:
2023-08-08 18:06:34 +08:00
parent 9126ec8035
commit 9cfac1672a
9 changed files with 170 additions and 124 deletions

View File

@@ -28,12 +28,14 @@ export class WebSocketManager {
export const manager = new WebSocketManager()
export class WebSocket extends EventEmitter {
public static manager: WebSocketManager = manager
public static CONNECTING = 0
public static OPEN = 1
public static CLOSING = 2
public static CLOSED = 3
public binaryType: 'blob' | 'arraybuffer'
protected manager: WebSocketManager
protected _url: string
protected _headers: WebSocketHeader = {}
@@ -42,7 +44,6 @@ export class WebSocket extends EventEmitter {
constructor(url: string, subProtocol: string | string[] = '', headers: WebSocketHeader = {}) {
super()
this.manager = manager
this._url = url
this._headers = headers
try {
@@ -54,7 +55,14 @@ export class WebSocket extends EventEmitter {
console.ex(error)
return
}
// mamanger connected client
manager.add(this)
this.client.on(ClientEvent.close, (_) => manager.del(this))
// add event forward
this.client.on(ClientEvent.open, (event) => this.onopen?.(event))
this.client.on(ClientEvent.message, (event) => this.onmessage?.(event))
this.client.on(ClientEvent.close, (event) => this.onclose?.(event))
this.client.on(ClientEvent.error, (event) => this.onerror?.(event))
setTimeout(() => this.client.connect(), 20)
}
get id() {
@@ -70,30 +78,31 @@ export class WebSocket extends EventEmitter {
return this.client.protocol
}
get readyState() {
return this.client.readyStatus
return this.client.readyState
}
get url() {
return this._url
}
set onopen(func: (event: Event) => void) {
this.client.on(ClientEvent.open, func)
public onopen: (event: Event) => void
public onmessage: (event: MessageEvent) => void
public onclose: (event: CloseEvent) => void
public onerror: (event: ErrorEvent) => void
public on(eventName: string | symbol, listener: (...args: any[]) => void): this {
this.client.on(eventName, listener)
return this
}
set onmessage(func: (event: MessageEvent) => void) {
this.client.on(ClientEvent.message, func)
}
set onclose(func: (event: CloseEvent) => void) {
this.client.on(ClientEvent.close, func)
manager.del(this)
}
set onerror(func: (event: ErrorEvent) => void) {
this.client.on(ClientEvent.error, func)
public emit(eventName: string | symbol, ...args: any[]): boolean {
return this.client.emit(eventName, ...args)
}
public send(data: any) {
this.client.send(data)
return this.client.send(data)
}
public close(code?: number, reason?: string) {
this.client.close(code, reason)
manager.del(this)
return this.client.close(code, reason)
}
}
global.setGlobal('WebSocket', WebSocket)

View File

@@ -1,6 +1,9 @@
import { NettyWebSocket } from '.'
import { WebSocketClientHandlerAdapter } from './adapter/handler'
const Throwable = Java.type('java.lang.Throwable')
const RuntimeException = Java.type('java.lang.RuntimeException')
const CharsetUtil = Java.type('io.netty.util.CharsetUtil')
const TextWebSocketFrame = Java.type('io.netty.handler.codec.http.websocketx.TextWebSocketFrame')
const CloseWebSocketFrame = Java.type('io.netty.handler.codec.http.websocketx.CloseWebSocketFrame')
@@ -20,6 +23,7 @@ export class WebSocketClientHandler extends WebSocketClientHandlerAdapter {
return true
}
handlerAdded(ctx: any) {
this.client.onconnection({})
if (ctx.newPromise) {
this.handshakeFuture = ctx.newPromise()
} else {
@@ -28,18 +32,21 @@ export class WebSocketClientHandler extends WebSocketClientHandlerAdapter {
}
channelActive(ctx: any) {
this.handshaker.handshake(ctx.channel())
setTimeout(() => {
this.abortHandshake(new Error('handshake timed out.'))
}, 10000)
}
channelInactive(ctx: any) {
if (this.client.readyStatus != WebSocket.CLOSED) {
this.client.onclose({ code: 1006, reason: 'client connection channel inactive.' })
}
this.client.close(1006, 'connection was closed abnormally.', true)
}
channelRead0(ctx: any, msg: any) {
let ch = ctx.channel()
if (!this.handshaker.isHandshakeComplete()) {
// web socket client connected
console.debug(`Netty Handler channelRead0 websocket client connected`)
// websocket client connected
this.handshaker.finishHandshake(ch, msg)
this.handshakeFuture.setSuccess()
this.client.onconnect({})
return
}
@@ -52,14 +59,19 @@ export class WebSocketClientHandler extends WebSocketClientHandlerAdapter {
if (frame instanceof TextWebSocketFrame) {
this.client.onmessage({ data: frame.text() })
} else if (frame instanceof CloseWebSocketFrame) {
this.client.close(1000, 'server close connection.')
this.client.receiverClose(frame.statusCode(), frame.reasonText())
}
}
abortHandshake(reason: Error) {
if (this.handshakeFuture.isDone()) { return }
if (!(reason instanceof Throwable)) {
reason = new RuntimeException(reason)
}
this.handshakeFuture.setFailure(reason)
}
exceptionCaught(ctx: any, cause: Error) {
console.debug(`${ctx} exceptionCaught ${cause}`)
this.client.abortHandshake(cause)
this.client.onerror({ error: cause })
if (!this.handshakeFuture.isDone()) {
this.handshakeFuture.setFailure(cause)
}
}
}

View File

@@ -60,6 +60,8 @@ export class NettyWebSocket extends Transport {
private channel: any
private b: any
private handler: any
constructor(url: string, subProtocol: string = '', headers: WebSocketHeader = {}) {
super(url, subProtocol, headers)
if (!url) {
@@ -88,7 +90,6 @@ export class NettyWebSocket extends Transport {
return `${this.channel?.id()}` || `NettyWebSocket#${channelCount.incrementAndGet()}`
}
doConnect() {
console.debug('client NettyWebSocket doConnect', this._url)
let uri = URI.create(this._url)
let headers = new DefaultHttpHeaders()
for (const key of Object.getOwnPropertyNames(this._headers || {})) {
@@ -97,7 +98,7 @@ export class NettyWebSocket extends Transport {
// Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
// If you change it to V00, ping is not supported and remember to change
// HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
let handler = new WebSocketClientHandler(WebSocketClientHandshakerFactory
this.handler = new WebSocketClientHandler(WebSocketClientHandshakerFactory
.newHandshaker(uri, WebSocketVersion.V13, null, false, headers), this)
this.b = new Bootstrap()
this.b.group(group)
@@ -108,7 +109,7 @@ export class NettyWebSocket extends Transport {
if (this._schema == "wss") {
if (SslContextBuilder) {
let sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build()
pipeline.addLast(sslCtx.newHandler(ch.alloc(), this._host, this._port))
pipeline.addLast('ssl', sslCtx.newHandler(ch.alloc(), this._host, this._port))
} else {
let sslEngine = SSLContext.getDefault().createSSLEngine()
sslEngine.setUseClientMode(true)
@@ -117,37 +118,37 @@ export class NettyWebSocket extends Transport {
}
pipeline.addLast("http-codec", new HttpClientCodec())
pipeline.addLast("aggregator", new HttpObjectAggregator(65536))
pipeline.addLast("websocket", handler.getHandler())
pipeline.addLast("websocket", this.handler.getHandler())
}
}))
this.b.connect(this._host, this._port).addListener(new ChannelFutureListener((future: any) => {
try {
this.channel = future.sync().channel()
this.onconnection({})
handler.handshakeFuture.addListener(new ChannelFutureListener((future: any) => {
try {
future.sync()
// only trigger onconnect when not have error
this.onconnect({})
} catch (error: any) {
// ignore error exceptionCaught from handler
// this.onerror({ error })
}
}))
} catch (error: any) {
this.onerror({ error })
}
}))
try {
this.channel = this.b.connect(this._host, this._port).sync().channel()
this.handler.handshakeFuture.sync()
} catch (error) {
// ignore connect error
// tigger error at handshakeFuture
}
}
doSend(text: string) {
this.channel.writeAndFlush(new TextWebSocketFrame(text))
}
doClose(code: number, reason: string) {
this.channel.writeAndFlush(new CloseWebSocketFrame())
this.channel.closeFuture().addListener(new ChannelFutureListener(() => {
doClose(code: number, reason: string, wasClean: boolean = false) {
console.debug(`Netty Client doClose code: ${code} reason: ${reason}`)
if (this.readyState == WebSocket.CLOSING) {
if (!this._closeFrameSent) {
console.debug(`Netty Client doClose send close frame`)
this.channel?.writeAndFlush(new CloseWebSocketFrame(code, reason))
this._closeFrameSent = true
}
if (!this._closeFrameReceived && !wasClean) { return console.debug(`Netty Client doClose wait server send close`) }
}
this.channel?.closeFuture().addListener(new ChannelFutureListener(() => {
this.onclose({ code, reason })
}))
}
abortHandshake(reason: Error): void {
this.handler.abortHandshake(reason)
}
getChannel() {
return this.channel
}

View File

@@ -8,6 +8,9 @@ export abstract class Transport extends EventEmitter {
protected _protocol: string
protected _headers: WebSocketHeader = {}
protected _closeFrameReceived = false;
protected _closeFrameSent = false;
constructor(uri: string, subProtocol: string = '', headers: WebSocketHeader = {}) {
super()
this._url = uri
@@ -23,24 +26,22 @@ export abstract class Transport extends EventEmitter {
return this._protocol
}
get readyStatus() {
get readyState() {
return this._state
}
set readyStatus(state: number) {
set readyState(state: number) {
this._state = state
}
connect() {
try {
this.doConnect()
} catch (error: any) {
console.ex(error)
this.onerror({ error })
}
this.doConnect()
}
send(text: string) {
if (this.readyState === WebSocket.CONNECTING) {
throw new Error('WebSocket is not open: readyState 0 (CONNECTING)');
}
try {
this.doSend(text)
} catch (error: any) {
@@ -48,16 +49,24 @@ export abstract class Transport extends EventEmitter {
}
}
close(code: number = 1000, reason: string = '') {
if (this.readyStatus < WebSocket.CLOSING) {
this.readyStatus = WebSocket.CLOSING
try {
this.doClose(code, reason)
} catch (error: any) {
this.onerror({ error })
close(code: number = 1000, reason: string = '', wasClean: boolean = false) {
if (this.readyState === WebSocket.CLOSED) return;
if (this.readyState === WebSocket.CONNECTING) {
const msg = 'WebSocket was closed before the connection was established';
this.abortHandshake(new Error(msg));
return;
}
if (this.readyState === WebSocket.CLOSING) {
if (this._closeFrameSent && this._closeFrameReceived) {
this.onclose({ code, reason });
}
} else {
console.debug(`WebSocket Transport ${this.id} call close code ${code} reason ${reason} but state is ${this.readyStatus}`)
return;
}
this.readyState = WebSocket.CLOSING
try {
this.doClose(code, reason, wasClean)
} catch (error: any) {
this.onerror({ error })
}
}
@@ -67,11 +76,11 @@ export abstract class Transport extends EventEmitter {
}
onconnect(event: Event) {
if (this.readyStatus != WebSocket.OPEN) {
this.readyStatus = WebSocket.OPEN
if (this.readyState != WebSocket.OPEN) {
this.readyState = WebSocket.OPEN
this.emit(ClientEvent.open, event)
} else {
console.debug(`WebSocket Transport ${this.id} call onconnect but state is ${this.readyStatus}`)
console.debug(`WebSocket Transport ${this.id} call onconnect but state is ${this.readyState}`)
}
}
@@ -84,16 +93,24 @@ export abstract class Transport extends EventEmitter {
}
onclose(event: CloseEvent) {
if (this.readyStatus != WebSocket.CLOSED) {
this.readyStatus = WebSocket.CLOSED
console.debug(`WebSocket Transport ${this.id} call onclose CloseEvent[code: ${event.code}, reason: ${event.reason}]`)
if (this.readyState != WebSocket.CLOSED) {
this.readyState = WebSocket.CLOSED
this.emit(ClientEvent.close, event)
} else {
console.debug(`WebSocket Transport ${this.id} call onclose but state is ${this.readyStatus} CloseEvent[code: ${event.code}, reason: ${event.reason}]`)
console.debug(`WebSocket Transport ${this.id} call onclose but state is ${this.readyState} CloseEvent[code: ${event.code}, reason: ${event.reason}]`)
}
}
receiverClose(code: number, reason: string) {
console.debug(`Netty Handler receeve close code: ${code} reason: ${reason}`)
this._closeFrameReceived = true;
this.close(code, reason)
}
abstract getId(): string
abstract doConnect(): void
abstract doSend(text: string): void
abstract doClose(code: number, reason: string): void
abstract doClose(code: number, reason: string, wasClean?: boolean): void
abstract abortHandshake(reason: Error): void
}