From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- node_modules/socket.io-adapter/index.js | 263 ++++++++++++++++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100644 node_modules/socket.io-adapter/index.js (limited to 'node_modules/socket.io-adapter/index.js') diff --git a/node_modules/socket.io-adapter/index.js b/node_modules/socket.io-adapter/index.js new file mode 100644 index 0000000..aeb5b6e --- /dev/null +++ b/node_modules/socket.io-adapter/index.js @@ -0,0 +1,263 @@ + +/** + * Module dependencies. + */ + +var Emitter = require('events').EventEmitter; + +/** + * Module exports. + */ + +module.exports = Adapter; + +/** + * Memory adapter constructor. + * + * @param {Namespace} nsp + * @api public + */ + +function Adapter(nsp){ + this.nsp = nsp; + this.rooms = {}; + this.sids = {}; + this.encoder = nsp.server.encoder; +} + +/** + * Inherits from `EventEmitter`. + */ + +Adapter.prototype.__proto__ = Emitter.prototype; + +/** + * Adds a socket to a room. + * + * @param {String} socket id + * @param {String} room name + * @param {Function} callback + * @api public + */ + +Adapter.prototype.add = function(id, room, fn){ + return this.addAll(id, [ room ], fn); +}; + +/** + * Adds a socket to a list of room. + * + * @param {String} socket id + * @param {String} rooms + * @param {Function} callback + * @api public + */ + +Adapter.prototype.addAll = function(id, rooms, fn){ + for (var i = 0; i < rooms.length; i++) { + var room = rooms[i]; + this.sids[id] = this.sids[id] || {}; + this.sids[id][room] = true; + this.rooms[room] = this.rooms[room] || Room(); + this.rooms[room].add(id); + } + if (fn) process.nextTick(fn.bind(null, null)); +}; + +/** + * Removes a socket from a room. + * + * @param {String} socket id + * @param {String} room name + * @param {Function} callback + * @api public + */ + +Adapter.prototype.del = function(id, room, fn){ + this.sids[id] = this.sids[id] || {}; + delete this.sids[id][room]; + if (this.rooms.hasOwnProperty(room)) { + this.rooms[room].del(id); + if (this.rooms[room].length === 0) delete this.rooms[room]; + } + + if (fn) process.nextTick(fn.bind(null, null)); +}; + +/** + * Removes a socket from all rooms it's joined. + * + * @param {String} socket id + * @param {Function} callback + * @api public + */ + +Adapter.prototype.delAll = function(id, fn){ + var rooms = this.sids[id]; + if (rooms) { + for (var room in rooms) { + if (this.rooms.hasOwnProperty(room)) { + this.rooms[room].del(id); + if (this.rooms[room].length === 0) delete this.rooms[room]; + } + } + } + delete this.sids[id]; + + if (fn) process.nextTick(fn.bind(null, null)); +}; + +/** + * Broadcasts a packet. + * + * Options: + * - `flags` {Object} flags for this packet + * - `except` {Array} sids that should be excluded + * - `rooms` {Array} list of rooms to broadcast to + * + * @param {Object} packet object + * @api public + */ + +Adapter.prototype.broadcast = function(packet, opts){ + var rooms = opts.rooms || []; + var except = opts.except || []; + var flags = opts.flags || {}; + var packetOpts = { + preEncoded: true, + volatile: flags.volatile, + compress: flags.compress + }; + var ids = {}; + var self = this; + var socket; + + packet.nsp = this.nsp.name; + this.encoder.encode(packet, function(encodedPackets) { + if (rooms.length) { + for (var i = 0; i < rooms.length; i++) { + var room = self.rooms[rooms[i]]; + if (!room) continue; + var sockets = room.sockets; + for (var id in sockets) { + if (sockets.hasOwnProperty(id)) { + if (ids[id] || ~except.indexOf(id)) continue; + socket = self.nsp.connected[id]; + if (socket) { + socket.packet(encodedPackets, packetOpts); + ids[id] = true; + } + } + } + } + } else { + for (var id in self.sids) { + if (self.sids.hasOwnProperty(id)) { + if (~except.indexOf(id)) continue; + socket = self.nsp.connected[id]; + if (socket) socket.packet(encodedPackets, packetOpts); + } + } + } + }); +}; + +/** + * Gets a list of clients by sid. + * + * @param {Array} explicit set of rooms to check. + * @param {Function} callback + * @api public + */ + +Adapter.prototype.clients = function(rooms, fn){ + if ('function' == typeof rooms){ + fn = rooms; + rooms = null; + } + + rooms = rooms || []; + + var ids = {}; + var sids = []; + var socket; + + if (rooms.length) { + for (var i = 0; i < rooms.length; i++) { + var room = this.rooms[rooms[i]]; + if (!room) continue; + var sockets = room.sockets; + for (var id in sockets) { + if (sockets.hasOwnProperty(id)) { + if (ids[id]) continue; + socket = this.nsp.connected[id]; + if (socket) { + sids.push(id); + ids[id] = true; + } + } + } + } + } else { + for (var id in this.sids) { + if (this.sids.hasOwnProperty(id)) { + socket = this.nsp.connected[id]; + if (socket) sids.push(id); + } + } + } + + if (fn) process.nextTick(fn.bind(null, null, sids)); +}; + +/** + * Gets the list of rooms a given client has joined. + * + * @param {String} socket id + * @param {Function} callback + * @api public + */ +Adapter.prototype.clientRooms = function(id, fn){ + var rooms = this.sids[id]; + if (fn) process.nextTick(fn.bind(null, null, rooms ? Object.keys(rooms) : null)); +}; + +/** +* Room constructor. +* +* @api private +*/ + +function Room(){ + if (!(this instanceof Room)) return new Room(); + this.sockets = {}; + this.length = 0; +} + +/** + * Adds a socket to a room. + * + * @param {String} socket id + * @api private + */ + +Room.prototype.add = function(id){ + if (!this.sockets.hasOwnProperty(id)) { + this.sockets[id] = true; + this.length++; + } +}; + +/** + * Removes a socket from a room. + * + * @param {String} socket id + * @api private + */ + +Room.prototype.del = function(id){ + if (this.sockets.hasOwnProperty(id)) { + delete this.sockets[id]; + this.length--; + } +}; -- cgit v1.2.3