root / HServer / 00.Server / 00.Program / node_modules / socket.io-adapter / index.js
이력 | 보기 | 이력해설 | 다운로드 (5.31 KB)
| 1 | 39 | HKM | |
|---|---|---|---|
| 2 | /**
|
||
| 3 | * Module dependencies.
|
||
| 4 | */
|
||
| 5 | |||
| 6 | var Emitter = require('events').EventEmitter; |
||
| 7 | |||
| 8 | /**
|
||
| 9 | * Module exports.
|
||
| 10 | */
|
||
| 11 | |||
| 12 | module.exports = Adapter; |
||
| 13 | |||
| 14 | /**
|
||
| 15 | * Memory adapter constructor.
|
||
| 16 | *
|
||
| 17 | * @param {Namespace} nsp
|
||
| 18 | * @api public
|
||
| 19 | */
|
||
| 20 | |||
| 21 | function Adapter(nsp){ |
||
| 22 | this.nsp = nsp;
|
||
| 23 | this.rooms = {};
|
||
| 24 | this.sids = {};
|
||
| 25 | this.encoder = nsp.server.encoder;
|
||
| 26 | } |
||
| 27 | |||
| 28 | /**
|
||
| 29 | * Inherits from `EventEmitter`.
|
||
| 30 | */
|
||
| 31 | |||
| 32 | Adapter.prototype.__proto__ = Emitter.prototype; |
||
| 33 | |||
| 34 | /**
|
||
| 35 | * Adds a socket to a room.
|
||
| 36 | *
|
||
| 37 | * @param {String} socket id
|
||
| 38 | * @param {String} room name
|
||
| 39 | * @param {Function} callback
|
||
| 40 | * @api public
|
||
| 41 | */
|
||
| 42 | |||
| 43 | Adapter.prototype.add = function(id, room, fn){ |
||
| 44 | return this.addAll(id, [ room ], fn); |
||
| 45 | }; |
||
| 46 | |||
| 47 | /**
|
||
| 48 | * Adds a socket to a list of room.
|
||
| 49 | *
|
||
| 50 | * @param {String} socket id
|
||
| 51 | * @param {String} rooms
|
||
| 52 | * @param {Function} callback
|
||
| 53 | * @api public
|
||
| 54 | */
|
||
| 55 | |||
| 56 | Adapter.prototype.addAll = function(id, rooms, fn){ |
||
| 57 | for (var i = 0; i < rooms.length; i++) { |
||
| 58 | var room = rooms[i];
|
||
| 59 | this.sids[id] = this.sids[id] || {}; |
||
| 60 | this.sids[id][room] = true; |
||
| 61 | this.rooms[room] = this.rooms[room] || Room(); |
||
| 62 | this.rooms[room].add(id);
|
||
| 63 | } |
||
| 64 | if (fn) process.nextTick(fn.bind(null, null)); |
||
| 65 | }; |
||
| 66 | |||
| 67 | /**
|
||
| 68 | * Removes a socket from a room.
|
||
| 69 | *
|
||
| 70 | * @param {String} socket id
|
||
| 71 | * @param {String} room name
|
||
| 72 | * @param {Function} callback
|
||
| 73 | * @api public
|
||
| 74 | */
|
||
| 75 | |||
| 76 | Adapter.prototype.del = function(id, room, fn){ |
||
| 77 | this.sids[id] = this.sids[id] || {}; |
||
| 78 | delete this.sids[id][room]; |
||
| 79 | if (this.rooms.hasOwnProperty(room)) { |
||
| 80 | this.rooms[room].del(id);
|
||
| 81 | if (this.rooms[room].length === 0) delete this.rooms[room]; |
||
| 82 | } |
||
| 83 | |||
| 84 | if (fn) process.nextTick(fn.bind(null, null)); |
||
| 85 | }; |
||
| 86 | |||
| 87 | /**
|
||
| 88 | * Removes a socket from all rooms it's joined.
|
||
| 89 | *
|
||
| 90 | * @param {String} socket id
|
||
| 91 | * @param {Function} callback
|
||
| 92 | * @api public
|
||
| 93 | */
|
||
| 94 | |||
| 95 | Adapter.prototype.delAll = function(id, fn){ |
||
| 96 | var rooms = this.sids[id]; |
||
| 97 | if (rooms) {
|
||
| 98 | for (var room in rooms) { |
||
| 99 | if (this.rooms.hasOwnProperty(room)) { |
||
| 100 | this.rooms[room].del(id);
|
||
| 101 | if (this.rooms[room].length === 0) delete this.rooms[room]; |
||
| 102 | } |
||
| 103 | } |
||
| 104 | } |
||
| 105 | delete this.sids[id]; |
||
| 106 | |||
| 107 | if (fn) process.nextTick(fn.bind(null, null)); |
||
| 108 | }; |
||
| 109 | |||
| 110 | /**
|
||
| 111 | * Broadcasts a packet.
|
||
| 112 | *
|
||
| 113 | * Options:
|
||
| 114 | * - `flags` {Object} flags for this packet
|
||
| 115 | * - `except` {Array} sids that should be excluded
|
||
| 116 | * - `rooms` {Array} list of rooms to broadcast to
|
||
| 117 | *
|
||
| 118 | * @param {Object} packet object
|
||
| 119 | * @api public
|
||
| 120 | */
|
||
| 121 | |||
| 122 | Adapter.prototype.broadcast = function(packet, opts){ |
||
| 123 | var rooms = opts.rooms || [];
|
||
| 124 | var except = opts.except || [];
|
||
| 125 | var flags = opts.flags || {};
|
||
| 126 | var packetOpts = {
|
||
| 127 | preEncoded: true, |
||
| 128 | volatile: flags.volatile, |
||
| 129 | compress: flags.compress
|
||
| 130 | }; |
||
| 131 | var ids = {};
|
||
| 132 | var self = this; |
||
| 133 | var socket;
|
||
| 134 | |||
| 135 | packet.nsp = this.nsp.name;
|
||
| 136 | this.encoder.encode(packet, function(encodedPackets) { |
||
| 137 | if (rooms.length) {
|
||
| 138 | for (var i = 0; i < rooms.length; i++) { |
||
| 139 | var room = self.rooms[rooms[i]];
|
||
| 140 | if (!room) continue; |
||
| 141 | var sockets = room.sockets;
|
||
| 142 | for (var id in sockets) { |
||
| 143 | if (sockets.hasOwnProperty(id)) {
|
||
| 144 | if (ids[id] || ~except.indexOf(id)) continue; |
||
| 145 | socket = self.nsp.connected[id]; |
||
| 146 | if (socket) {
|
||
| 147 | socket.packet(encodedPackets, packetOpts); |
||
| 148 | ids[id] = true;
|
||
| 149 | } |
||
| 150 | } |
||
| 151 | } |
||
| 152 | } |
||
| 153 | } else {
|
||
| 154 | for (var id in self.sids) { |
||
| 155 | if (self.sids.hasOwnProperty(id)) {
|
||
| 156 | if (~except.indexOf(id)) continue; |
||
| 157 | socket = self.nsp.connected[id]; |
||
| 158 | if (socket) socket.packet(encodedPackets, packetOpts);
|
||
| 159 | } |
||
| 160 | } |
||
| 161 | } |
||
| 162 | }); |
||
| 163 | }; |
||
| 164 | |||
| 165 | /**
|
||
| 166 | * Gets a list of clients by sid.
|
||
| 167 | *
|
||
| 168 | * @param {Array} explicit set of rooms to check.
|
||
| 169 | * @param {Function} callback
|
||
| 170 | * @api public
|
||
| 171 | */
|
||
| 172 | |||
| 173 | Adapter.prototype.clients = function(rooms, fn){ |
||
| 174 | if ('function' == typeof rooms){ |
||
| 175 | fn = rooms; |
||
| 176 | rooms = null;
|
||
| 177 | } |
||
| 178 | |||
| 179 | rooms = rooms || []; |
||
| 180 | |||
| 181 | var ids = {};
|
||
| 182 | var sids = [];
|
||
| 183 | var socket;
|
||
| 184 | |||
| 185 | if (rooms.length) {
|
||
| 186 | for (var i = 0; i < rooms.length; i++) { |
||
| 187 | var room = this.rooms[rooms[i]]; |
||
| 188 | if (!room) continue; |
||
| 189 | var sockets = room.sockets;
|
||
| 190 | for (var id in sockets) { |
||
| 191 | if (sockets.hasOwnProperty(id)) {
|
||
| 192 | if (ids[id]) continue; |
||
| 193 | socket = this.nsp.connected[id];
|
||
| 194 | if (socket) {
|
||
| 195 | sids.push(id); |
||
| 196 | ids[id] = true;
|
||
| 197 | } |
||
| 198 | } |
||
| 199 | } |
||
| 200 | } |
||
| 201 | } else {
|
||
| 202 | for (var id in this.sids) { |
||
| 203 | if (this.sids.hasOwnProperty(id)) { |
||
| 204 | socket = this.nsp.connected[id];
|
||
| 205 | if (socket) sids.push(id);
|
||
| 206 | } |
||
| 207 | } |
||
| 208 | } |
||
| 209 | |||
| 210 | if (fn) process.nextTick(fn.bind(null, null, sids)); |
||
| 211 | }; |
||
| 212 | |||
| 213 | /**
|
||
| 214 | * Gets the list of rooms a given client has joined.
|
||
| 215 | *
|
||
| 216 | * @param {String} socket id
|
||
| 217 | * @param {Function} callback
|
||
| 218 | * @api public
|
||
| 219 | */
|
||
| 220 | Adapter.prototype.clientRooms = function(id, fn){ |
||
| 221 | var rooms = this.sids[id]; |
||
| 222 | if (fn) process.nextTick(fn.bind(null, null, rooms ? Object.keys(rooms) : null)); |
||
| 223 | }; |
||
| 224 | |||
| 225 | /**
|
||
| 226 | * Room constructor.
|
||
| 227 | *
|
||
| 228 | * @api private
|
||
| 229 | */
|
||
| 230 | |||
| 231 | function Room(){ |
||
| 232 | if (!(this instanceof Room)) return new Room(); |
||
| 233 | this.sockets = {};
|
||
| 234 | this.length = 0; |
||
| 235 | } |
||
| 236 | |||
| 237 | /**
|
||
| 238 | * Adds a socket to a room.
|
||
| 239 | *
|
||
| 240 | * @param {String} socket id
|
||
| 241 | * @api private
|
||
| 242 | */
|
||
| 243 | |||
| 244 | Room.prototype.add = function(id){ |
||
| 245 | if (!this.sockets.hasOwnProperty(id)) { |
||
| 246 | this.sockets[id] = true; |
||
| 247 | this.length++;
|
||
| 248 | } |
||
| 249 | }; |
||
| 250 | |||
| 251 | /**
|
||
| 252 | * Removes a socket from a room.
|
||
| 253 | *
|
||
| 254 | * @param {String} socket id
|
||
| 255 | * @api private
|
||
| 256 | */
|
||
| 257 | |||
| 258 | Room.prototype.del = function(id){ |
||
| 259 | if (this.sockets.hasOwnProperty(id)) { |
||
| 260 | delete this.sockets[id]; |
||
| 261 | this.length--;
|
||
| 262 | } |
||
| 263 | }; |