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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | 1x 1x 1x 1x 1x 1x 1x 1x 44x 44x 44x 44x 44x 44x 22x 22x 22x 56x 56x 56x 56x 14x 14x 14x 14x 14x 2x 2x 12x 12x 12x | 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);
}
}
public get _socket(): SocketAddress {
const address: any[] = this.external ? native.getAddress(this.external) : new Array(3);
return {
remotePort: address[0],
remoteAddress: address[1],
remoteFamily: address[2]
};
}
public get readyState(): number {
return this.external ? this.OPEN : this.CLOSED;
}
public set onopen(listener: () => void) {
this.on('open', listener);
}
public set onclose(listener: (code?: number, reason?: string) => void) {
this.on('close', listener);
}
public set onerror(listener: (err: Error) => void) {
this.on('error', listener);
}
public set onmessage(listener: (message: string | any) => void) {
this.on('message', listener);
}
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 {
Iif (this.registeredEvents[event] === undefined) {
console.warn(`cWS does not support '${event}' event`);
return;
}
Iif (typeof listener !== 'function') {
throw new Error(`Listener for '${event}' event must be a function`);
}
Iif (this.registeredEvents[event] !== noop) {
console.warn(`cWS does not support multiple listeners for the same event. Old listener for '${event}' event will be overwritten`);
}
this.registeredEvents[event] = listener;
}
public send(message: string | Buffer, options?: { binary?: boolean, compress?: boolean }, cb?: (err?: Error) => void): void {
Eif (this.external) {
let opCode: number = typeof message === 'string' ? OPCODE_TEXT : OPCODE_BINARY;
// provided options should always overwrite default
Iif (options && options.binary === false) {
opCode = OPCODE_TEXT;
}
Iif (options && options.binary === true) {
opCode = OPCODE_BINARY;
}
native[this.socketType].send(this.external, message, opCode, cb ? (): void => process.nextTick(cb) : null, options && options.compress);
} else if (cb) {
cb(new Error('Socket not connected'));
}
}
public ping(message?: string | Buffer): void {
Eif (this.external) {
native[this.socketType].send(this.external, message, OPCODE_PING);
}
}
public close(code: number = 1000, reason?: string): void {
Eif (this.external) {
native[this.socketType].close(this.external, code, reason);
this.external = null;
}
}
public terminate(): void {
if (this.external) {
native[this.socketType].terminate(this.external);
this.external = null;
}
}
}
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