@clusterws/cws
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cWS - fast C++ WebSocket implementation for Node.js
698 lines (684 loc) • 33 kB
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<title>Code coverage report for server.ts</title>
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<h1><a href="index.html">All files</a> server.ts</h1>
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<div class='fl pad1y space-right2'>
<span class="strong">61.18% </span>
<span class="quiet">Statements</span>
<span class='fraction'>52/85</span>
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<div class='fl pad1y space-right2'>
<span class="strong">47.56% </span>
<span class="quiet">Branches</span>
<span class='fraction'>39/82</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">50% </span>
<span class="quiet">Functions</span>
<span class='fraction'>9/18</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">61.18% </span>
<span class="quiet">Lines</span>
<span class='fraction'>52/85</span>
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<p class="quiet">
Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<pre><table class="coverage">
<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import * as HTTP from 'http';
import * as HTTPS from 'https';
import { Socket } from 'net';
import { WebSocket } from './client';
import { ServerConfigs } from './index';
import { native, noop, setupNative, APP_PING_CODE, PERMESSAGE_DEFLATE, SLIDING_DEFLATE_WINDOW, DEFAULT_PAYLOAD_LIMIT } from './shared';
export class WebSocketServer {
public upgradeCb: (ws: WebSocket) => void;
public upgradeReq: HTTP.IncomingMessage;
public registeredEvents: any = {
close: noop,
error: noop,
connection: noop,
};
private httpServer: HTTP.Server | HTTPS.Server;
private serverGroup: any;
private onUpgradeRequest: (req: HTTP.IncomingMessage, socket: Socket) => void;
constructor(private options: ServerConfigs, cb: () => void = noop) {
let nativeOptions: number = 0;
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.options.perMessageDeflate) {
// tslint:disable-next-line
<span class="cstat-no" title="statement not covered" > nativeOptions |= PERMESSAGE_DEFLATE;</span>
<span class="cstat-no" title="statement not covered" > if ((this.options.perMessageDeflate as { serverNoContextTakeover: boolean }).serverNoContextTakeover === false) {</span>
// tslint:disable-next-line
<span class="cstat-no" title="statement not covered" > nativeOptions |= SLIDING_DEFLATE_WINDOW;</span>
}
}
this.serverGroup = native.server.group.create(nativeOptions, this.options.maxPayload || DEFAULT_PAYLOAD_LIMIT);
setupNative(this.serverGroup, 'server', this);
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.options.noServer) {
<span class="cstat-no" title="statement not covered" > return;</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.options.path && <span class="branch-1 cbranch-no" title="branch not covered" >this.options.path[0] !== '/')</span> {
<span class="cstat-no" title="statement not covered" > this.options.path = `/${this.options.path}`;</span>
}
this.httpServer = this.options.server || HTTP.createServer(<span class="fstat-no" title="function not covered" >(_</span>: any, res: HTTP.ServerResponse): void => {
const body: string = <span class="cstat-no" title="statement not covered" >HTTP.STATUS_CODES[426];</span>
<span class="cstat-no" title="statement not covered" > res.writeHead(426, {</span>
'Content-Length': body.length,
'Content-Type': 'text/plain'
});
<span class="cstat-no" title="statement not covered" > return res.end(body);</span>
});
this.httpServer.on('upgrade', this.onUpgradeRequest = ((req: HTTP.IncomingMessage, socket: Socket): void => {
socket.on('error', <span class="fstat-no" title="function not covered" >(): void =</span>> {
// this is how `ws` handles socket error
<span class="cstat-no" title="statement not covered" > socket.destroy();</span>
});
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.options.path && <span class="branch-1 cbranch-no" title="branch not covered" >this.options.path !== req.url.split('?')[0].split('#')[0])</span> {
<span class="cstat-no" title="statement not covered" > return this.abortConnection(socket, 400, 'URL not supported');</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.options.verifyClient) {
const info: any = <span class="cstat-no" title="statement not covered" >{</span>
origin: req.headers.origin,
secure: !!((req.connection as any).authorized || (req.connection as any).encrypted),
req
};
<span class="cstat-no" title="statement not covered" > this.options.verifyClient(info, <span class="fstat-no" title="function not covered" >(v</span>erified?: boolean, code?: number, message?: string): void => {</span>
<span class="cstat-no" title="statement not covered" > if (!verified) {</span>
<span class="cstat-no" title="statement not covered" > return this.abortConnection(socket, code || 401, message || 'Client verification failed');</span>
}
<span class="cstat-no" title="statement not covered" > this.upgradeConnection(req, socket);</span>
});
} else {
this.upgradeConnection(req, socket);
}
}));
if (this.options.port && !this.options.server) {
this.httpServer.on('error', <span class="fstat-no" title="function not covered" >(e</span>rr: Error): void => {
// listen on http server error only if server has been
// created by cws, in case if server passed from the
// user than user is responsible for listening for 'error' event
// on passed http server
<span class="cstat-no" title="statement not covered" > this.registeredEvents['error'](err);</span>
});
this.httpServer.listen(this.options.port, this.options.host, cb);
}
}
<span class="fstat-no" title="function not covered" > get c</span>lients(): { length: number, forEach: (cb: (ws: WebSocket) => void) => void } {
<span class="cstat-no" title="statement not covered" > return {</span>
length: this.serverGroup ? native.server.group.getSize(this.serverGroup) : 0,
forEach: <span class="fstat-no" title="function not covered" >(c</span>b: (ws: WebSocket) => void): void => {
<span class="cstat-no" title="statement not covered" > if (this.serverGroup) {</span>
<span class="cstat-no" title="statement not covered" > native.server.group.forEach(this.serverGroup, cb);</span>
}
}
};
}
public on(event: 'error', listener: (err: Error) => void): void;
public on(event: 'connection', listener: (socket: WebSocket, req: HTTP.IncomingMessage) => void): void;
public on(event: 'connection', listener: (socket: WebSocket) => void): void;
public on(event: string, listener: (...args: any[]) => void): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.registeredEvents[event] === undefined) {
<span class="cstat-no" title="statement not covered" > console.warn(`cWS does not support '${event}' event`);</span>
<span class="cstat-no" title="statement not covered" > return;</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof listener !== 'function') {
<span class="cstat-no" title="statement not covered" > throw new Error(`Listener for '${event}' event must be a function`);</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (this.registeredEvents[event] !== noop) {
<span class="cstat-no" title="statement not covered" > console.warn(`cWS does not support multiple listeners for the same event. Old listener for '${event}' event will be overwritten`);</span>
}
this.registeredEvents[event] = listener;
}
public <span class="fstat-no" title="function not covered" >emit(</span>event: string, ...args: any[]): void {
<span class="cstat-no" title="statement not covered" > if (this.registeredEvents[event]) {</span>
<span class="cstat-no" title="statement not covered" > this.registeredEvents[event](...args);</span>
}
}
public broadcast(message: string | Buffer, options?: { binary: boolean }): void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.serverGroup) {
native.server.group.broadcast(this.serverGroup, message, options && <span class="branch-1 cbranch-no" title="branch not covered" >options.binary </span>|| false);
}
}
public <span class="fstat-no" title="function not covered" >startAutoPing(</span>interval: number, appLevel?: boolean): void {
<span class="cstat-no" title="statement not covered" > if (this.serverGroup) {</span>
<span class="cstat-no" title="statement not covered" > native.server.group.startAutoPing(this.serverGroup, interval, appLevel ? APP_PING_CODE : null);</span>
}
}
public <span class="fstat-no" title="function not covered" >handleUpgrade(</span>req: HTTP.IncomingMessage, socket: Socket, upgradeHead: any, cb: (ws: WebSocket) => void): void {
// `ws` compatibility
<span class="cstat-no" title="statement not covered" > if (this.options.noServer) {</span>
<span class="cstat-no" title="statement not covered" > this.upgradeConnection(req, socket, cb);</span>
}
}
public close(cb: () => void = <span class="branch-0 cbranch-no" title="branch not covered" >noop)</span>: void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.httpServer) {
this.httpServer.removeListener('upgrade', this.onUpgradeRequest);
if (!this.options.server) {
this.httpServer.close();
}
}
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.serverGroup) {
native.server.group.close(this.serverGroup);
this.serverGroup = null;
}
setTimeout((): void => {
this.registeredEvents['close']();
cb();
}, 0);
}
private abortConnection(socket: Socket, code: number, message: string): void {
return socket.end(`HTTP/1.1 ${code} ${message}\r\n\r\n`);
}
private upgradeConnection(req: HTTP.IncomingMessage, socket: Socket, cb?: (ws: WebSocket) => void): void {
const secKey: any = req.headers['sec-websocket-key'];
<span class="missing-if-branch" title="if path not taken" >I</span>if ((socket as any)._isNative) {
<span class="cstat-no" title="statement not covered" > if (this.serverGroup) {</span>
<span class="cstat-no" title="statement not covered" > this.upgradeCb = cb;</span>
<span class="cstat-no" title="statement not covered" > this.upgradeReq = req;</span>
<span class="cstat-no" title="statement not covered" > native.upgrade(this.serverGroup, (socket as any).external, secKey, req.headers['sec-websocket-extensions'], req.headers['sec-websocket-protocol']);</span>
}
} else {
const socketAsAny: any = socket as any;
const socketHandle: any = socketAsAny.ssl ? socketAsAny._parent._handle : socketAsAny._handle;
if (socketHandle && secKey && secKey.length === 24) {
const sslState: any = socketAsAny.ssl ? native.getSSLContext(socketAsAny.ssl) : null;
socket.setNoDelay(this.options.noDelay === false ? <span class="branch-0 cbranch-no" title="branch not covered" >false </span>: true);
const ticket: any = native.transfer(socketHandle.fd === -1 ? <span class="branch-0 cbranch-no" title="branch not covered" >socketHandle </span>: socketHandle.fd, sslState);
socket.on('close', (): void => {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.serverGroup) {
this.upgradeCb = cb;
this.upgradeReq = req;
native.upgrade(this.serverGroup, ticket, secKey, req.headers['sec-websocket-extensions'], req.headers['sec-websocket-protocol']);
}
});
socket.destroy();
} else {
return this.abortConnection(socket, 400, 'Bad Request');
}
}
}
}</pre></td></tr></table></pre>
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