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180 lines
5.4 KiB
TypeScript
180 lines
5.4 KiB
TypeScript
7 months ago
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/// <reference types="node" />
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import { EventEmitter } from "events";
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/**
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* A public ID, sent by the server at the beginning of the Socket.IO session and which can be used for private messaging
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*/
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export type SocketId = string;
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/**
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* A private ID, sent by the server at the beginning of the Socket.IO session and used for connection state recovery
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* upon reconnection
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*/
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export type PrivateSessionId = string;
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export type Room = string;
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export interface BroadcastFlags {
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volatile?: boolean;
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compress?: boolean;
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local?: boolean;
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broadcast?: boolean;
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binary?: boolean;
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timeout?: number;
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}
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export interface BroadcastOptions {
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rooms: Set<Room>;
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except?: Set<Room>;
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flags?: BroadcastFlags;
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}
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interface SessionToPersist {
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sid: SocketId;
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pid: PrivateSessionId;
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rooms: Room[];
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data: unknown;
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}
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export type Session = SessionToPersist & {
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missedPackets: unknown[][];
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};
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export declare class Adapter extends EventEmitter {
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readonly nsp: any;
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rooms: Map<Room, Set<SocketId>>;
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sids: Map<SocketId, Set<Room>>;
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private readonly encoder;
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/**
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* In-memory adapter constructor.
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*
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* @param {Namespace} nsp
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*/
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constructor(nsp: any);
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/**
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* To be overridden
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*/
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init(): Promise<void> | void;
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/**
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* To be overridden
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*/
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close(): Promise<void> | void;
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/**
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* Returns the number of Socket.IO servers in the cluster
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*
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* @public
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*/
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serverCount(): Promise<number>;
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/**
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* Adds a socket to a list of room.
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*
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* @param {SocketId} id the socket id
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* @param {Set<Room>} rooms a set of rooms
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* @public
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*/
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addAll(id: SocketId, rooms: Set<Room>): Promise<void> | void;
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/**
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* Removes a socket from a room.
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*
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* @param {SocketId} id the socket id
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* @param {Room} room the room name
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*/
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del(id: SocketId, room: Room): Promise<void> | void;
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private _del;
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/**
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* Removes a socket from all rooms it's joined.
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*
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* @param {SocketId} id the socket id
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*/
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delAll(id: SocketId): void;
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/**
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* Broadcasts a packet.
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*
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* Options:
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* - `flags` {Object} flags for this packet
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* - `except` {Array} sids that should be excluded
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* - `rooms` {Array} list of rooms to broadcast to
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*
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* @param {Object} packet the packet object
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* @param {Object} opts the options
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* @public
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*/
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broadcast(packet: any, opts: BroadcastOptions): void;
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/**
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* Broadcasts a packet and expects multiple acknowledgements.
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*
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* Options:
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* - `flags` {Object} flags for this packet
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* - `except` {Array} sids that should be excluded
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* - `rooms` {Array} list of rooms to broadcast to
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*
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* @param {Object} packet the packet object
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* @param {Object} opts the options
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* @param clientCountCallback - the number of clients that received the packet
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* @param ack - the callback that will be called for each client response
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*
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* @public
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*/
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broadcastWithAck(packet: any, opts: BroadcastOptions, clientCountCallback: (clientCount: number) => void, ack: (...args: any[]) => void): void;
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private _encode;
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/**
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* Gets a list of sockets by sid.
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*
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* @param {Set<Room>} rooms the explicit set of rooms to check.
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*/
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sockets(rooms: Set<Room>): Promise<Set<SocketId>>;
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/**
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* Gets the list of rooms a given socket has joined.
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*
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* @param {SocketId} id the socket id
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*/
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socketRooms(id: SocketId): Set<Room> | undefined;
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/**
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* Returns the matching socket instances
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*
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* @param opts - the filters to apply
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*/
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fetchSockets(opts: BroadcastOptions): Promise<any[]>;
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/**
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* Makes the matching socket instances join the specified rooms
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*
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* @param opts - the filters to apply
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* @param rooms - the rooms to join
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*/
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addSockets(opts: BroadcastOptions, rooms: Room[]): void;
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/**
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* Makes the matching socket instances leave the specified rooms
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*
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* @param opts - the filters to apply
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* @param rooms - the rooms to leave
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*/
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delSockets(opts: BroadcastOptions, rooms: Room[]): void;
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/**
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* Makes the matching socket instances disconnect
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*
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* @param opts - the filters to apply
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* @param close - whether to close the underlying connection
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*/
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disconnectSockets(opts: BroadcastOptions, close: boolean): void;
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private apply;
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private computeExceptSids;
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/**
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* Send a packet to the other Socket.IO servers in the cluster
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* @param packet - an array of arguments, which may include an acknowledgement callback at the end
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*/
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serverSideEmit(packet: any[]): void;
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/**
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* Save the client session in order to restore it upon reconnection.
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*/
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persistSession(session: SessionToPersist): void;
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/**
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* Restore the session and find the packets that were missed by the client.
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* @param pid
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* @param offset
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*/
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restoreSession(pid: PrivateSessionId, offset: string): Promise<Session>;
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}
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export declare class SessionAwareAdapter extends Adapter {
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readonly nsp: any;
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private readonly maxDisconnectionDuration;
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private sessions;
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private packets;
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constructor(nsp: any);
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persistSession(session: SessionToPersist): void;
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restoreSession(pid: PrivateSessionId, offset: string): Promise<Session>;
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broadcast(packet: any, opts: BroadcastOptions): void;
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}
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export {};
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