Press n or j to go to the next uncovered block, b, p or k for the previous block.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | 1x 1x 49x 49x 8x 41x 32x 32x 9x 9x 9x 5x 36x 36x 22x 22x 22x 22x 18x 18x 22x 22x 5x 5x 22x 3x 3x 2x 1x 1x 1x 3x 1x 2x 2x 2x 2x 22x 3x 3x 3x 3x 3x 3x 22x 3x 3x 2x 1x 1x 1x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | 'use strict'; const KuzzleError = require('../KuzzleError'), RTWrapper = require('./abstract/realtime'); class WSNode extends RTWrapper { constructor(host, options = {}) { super(host, options); if (typeof host !== 'string' || host === '') { throw new Error('host is required'); } // Browsers WebSocket API if (typeof WebSocket !== 'undefined') { this.WebSocketClient = WebSocket; // There are no options allowed in the browsers WebSocket API this.options = null; } else { this.WebSocketClient = require('ws'); this.options = { perMessageDeflate: false, headers: options.headers || null }; if (this.options.headers !== null && (Array.isArray(this.options.headers) || typeof this.options.headers !== 'object')) { throw new Error('Invalid "headers" option: expected an object'); } } this.client = null; this.lasturl = null; } /** * Connect to the websocket server */ connect () { return new Promise((resolve, reject) => { const url = `${this.ssl ? 'wss' : 'ws'}://${this.host}:${this.port}`; super.connect(); if (url !== this.lasturl) { this.wasConnected = false; this.lasturl = url; } this.client = new this.WebSocketClient(url, this.options); this.client.onopen = () => { this.clientConnected(); return resolve(); }; this.client.onclose = (closeEvent, message) => { let status, reason = message; if (typeof closeEvent === 'number') { status = closeEvent; } else { status = closeEvent.code; Eif (closeEvent.reason) { reason = closeEvent.reason; } } if (status === 1000) { this.clientDisconnected(); } // do not forward a connection close error if no // connection has been previously established else Eif (this.wasConnected) { const error = new Error(reason); error.status = status; this.clientNetworkError(error); } }; this.client.onerror = error => { let err = error; Eif (!(error instanceof Error)) { err = error ? new Error(error.message || error) : new Error('Unexpected error'); } this.clientNetworkError(err); Eif ([this.client.CLOSING, this.client.CLOSED].indexOf(this.client.readyState) > -1) { return reject(err); } }; this.client.onmessage = payload => { const data = JSON.parse(payload.data || payload); // for responses, data.room == requestId if (data.room) { this.emit(data.room, data); } else { // @deprecated this.emit('discarded', data); const error = new KuzzleError(data.error); this.emit('queryError', error, data); } }; }); } /** * Sends a payload to the connected server * * @param {Object} payload */ send (payload) { if (this.client && this.client.readyState === this.client.OPEN) { this.client.send(JSON.stringify(payload)); } } /** * Closes the connection */ close () { this.state = 'offline'; this.removeAllListeners(); this.wasConnected = false; Eif (this.client) { this.client.close(); } this.client = null; this.stopRetryingToConnect = true; super.close(); } } module.exports = WSNode; |