@clusterws/cws
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cWS - fast C++ WebSocket implementation for Node.js
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<h1><a href="index.html">All files</a> client.ts</h1>
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<div class='fl pad1y space-right2'>
<span class="strong">62.75% </span>
<span class="quiet">Statements</span>
<span class='fraction'>32/51</span>
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<span class="strong">47.5% </span>
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<span class="strong">38.46% </span>
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<span class='fraction'>5/13</span>
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<span class="strong">63.27% </span>
<span class="quiet">Lines</span>
<span class='fraction'>31/49</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { WebSocketServer } from './server';
import { SocketAddress, ServerConfigs } from './index';
import { native, setupNative, noop, DEFAULT_PAYLOAD_LIMIT, OPCODE_PING, OPCODE_BINARY, OPCODE_TEXT } from './shared';
const clientGroup: any = native.client.group.create(0, DEFAULT_PAYLOAD_LIMIT);
setupNative(clientGroup, 'client');
export class WebSocket {
public static OPEN: number = 1;
public static CLOSED: number = 3;
public static Server: new (options: ServerConfigs, cb?: () => void) => WebSocketServer = WebSocketServer;
public OPEN: number = WebSocket.OPEN;
public CLOSED: number = WebSocket.OPEN;
public registeredEvents: any = {
open: noop,
ping: noop,
pong: noop,
error: noop,
close: noop,
message: noop
};
private external: any;
private socketType: string = 'client';
constructor(public url: string, private options: any = {}) {
if (!this.url && (this.options as any).external) {
this.socketType = 'server';
this.external = (this.options as any).external;
} else {
native.connect(clientGroup, url, this);
}
}
<span class="fstat-no" title="function not covered" > public get _</span>socket(): SocketAddress {
const address: any[] = <span class="cstat-no" title="statement not covered" >this.external ? native.getAddress(this.external) : new Array(3);</span>
<span class="cstat-no" title="statement not covered" > return {</span>
remotePort: address[0],
remoteAddress: address[1],
remoteFamily: address[2]
};
}
<span class="fstat-no" title="function not covered" > public get r</span>eadyState(): number {
<span class="cstat-no" title="statement not covered" > return this.external ? this.OPEN : this.CLOSED;</span>
}
<span class="fstat-no" title="function not covered" > public set o</span>nopen(listener: () => void) {
<span class="cstat-no" title="statement not covered" > this.on('open', listener);</span>
}
<span class="fstat-no" title="function not covered" > public set o</span>nclose(listener: (code?: number, reason?: string) => void) {
<span class="cstat-no" title="statement not covered" > this.on('close', listener);</span>
}
<span class="fstat-no" title="function not covered" > public set o</span>nerror(listener: (err: Error) => void) {
<span class="cstat-no" title="statement not covered" > this.on('error', listener);</span>
}
<span class="fstat-no" title="function not covered" > public set o</span>nmessage(listener: (message: string | any) => void) {
<span class="cstat-no" title="statement not covered" > this.on('message', listener);</span>
}
public on(event: 'open', listener: () => void): void;
public on(event: 'ping', listener: () => void): void;
public on(event: 'pong', listener: () => void): void;
public on(event: 'error', listener: (err: Error) => void): void;
public on(event: 'message', listener: (message: string | any) => void): void;
public on(event: 'close', listener: (code?: number, reason?: string) => 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 send(message: string | Buffer, options?: { binary?: boolean, compress?: boolean }, cb?: (err?: Error) => void): void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.external) {
let opCode: number = typeof message === 'string' ? OPCODE_TEXT : <span class="branch-1 cbranch-no" title="branch not covered" >OPCODE_BINARY;</span>
// provided options should always overwrite default
<span class="missing-if-branch" title="if path not taken" >I</span>if (options && <span class="branch-1 cbranch-no" title="branch not covered" >options.binary === false)</span> {
<span class="cstat-no" title="statement not covered" > opCode = OPCODE_TEXT;</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (options && <span class="branch-1 cbranch-no" title="branch not covered" >options.binary === true)</span> {
<span class="cstat-no" title="statement not covered" > opCode = OPCODE_BINARY;</span>
}
native[this.socketType].send(this.external, message, opCode, cb ? <span class="fstat-no" title="function not covered" ><span class="branch-0 cbranch-no" title="branch not covered" >(): void =</span>> <span class="cstat-no" title="statement not covered" >process.nextTick(cb) </span></span>: null, options && <span class="branch-1 cbranch-no" title="branch not covered" >options.compress)</span>;
} else <span class="cstat-no" title="statement not covered" >if (cb) {</span>
<span class="cstat-no" title="statement not covered" > cb(new Error('Socket not connected'));</span>
}
}
public ping(message?: string | Buffer): void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.external) {
native[this.socketType].send(this.external, message, OPCODE_PING);
}
}
public close(code: number = 1000, reason?: string): void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.external) {
native[this.socketType].close(this.external, code, reason);
this.external = null;
}
}
public <span class="fstat-no" title="function not covered" >terminate(</span>): void {
<span class="cstat-no" title="statement not covered" > if (this.external) {</span>
<span class="cstat-no" title="statement not covered" > native[this.socketType].terminate(this.external);</span>
<span class="cstat-no" title="statement not covered" > this.external = null;</span>
}
}
}
</pre></td></tr></table></pre>
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