| 11 | const { addAll, del, broadcast } = Adapter.prototype; |
| 12 | |
| 13 | export function patchAdapter(app /* : TemplatedApp */) { |
| 14 | Adapter.prototype.addAll = function (id, rooms) { |
| 15 | const isNew = !this.sids.has(id); |
| 16 | addAll.call(this, id, rooms); |
| 17 | const socket: Socket = this.nsp.sockets.get(id); |
| 18 | if (!socket) { |
| 19 | return; |
| 20 | } |
| 21 | if (socket.conn.transport.name === "websocket") { |
| 22 | subscribe(this.nsp.name, socket, isNew, rooms); |
| 23 | return; |
| 24 | } |
| 25 | if (isNew) { |
| 26 | socket.conn.on("upgrade", () => { |
| 27 | const rooms = this.sids.get(id); |
| 28 | if (rooms) { |
| 29 | subscribe(this.nsp.name, socket, isNew, rooms); |
| 30 | } |
| 31 | }); |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | Adapter.prototype.del = function (id, room) { |
| 36 | del.call(this, id, room); |
| 37 | const socket: Socket = this.nsp.sockets.get(id); |
| 38 | if (socket && socket.conn.transport.name === "websocket") { |
| 39 | // @ts-ignore |
| 40 | const sessionId = socket.conn.id; |
| 41 | // @ts-ignore |
| 42 | const websocket: WebSocket = socket.conn.transport.socket; |
| 43 | const topic = `${this.nsp.name}${SEPARATOR}${room}`; |
| 44 | debug("unsubscribe connection %s from topic %s", sessionId, topic); |
| 45 | websocket.unsubscribe(topic); |
| 46 | } |
| 47 | }; |
| 48 | |
| 49 | Adapter.prototype.broadcast = function (packet, opts) { |
| 50 | const useFastPublish = opts.rooms.size <= 1 && opts.except!.size === 0; |
| 51 | if (!useFastPublish) { |
| 52 | broadcast.call(this, packet, opts); |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | const flags = opts.flags || {}; |
| 57 | const basePacketOpts = { |
| 58 | preEncoded: true, |
| 59 | volatile: flags.volatile, |
| 60 | compress: flags.compress, |
| 61 | }; |
| 62 | |
| 63 | packet.nsp = this.nsp.name; |
| 64 | const encodedPackets = this.encoder.encode(packet); |
| 65 | |
| 66 | const topic = |
| 67 | opts.rooms.size === 0 |
| 68 | ? this.nsp.name |
| 69 | : `${this.nsp.name}${SEPARATOR}${opts.rooms.keys().next().value}`; |
| 70 | debug("fast publish to %s", topic); |