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3.9 KiB
TypeScript

/// <reference types="node" />
import { EventEmitter } from "events";
import { IncomingMessage } from "http";
import { Transport } from "./transport";
import { RawData } from "engine.io-parser";
export interface SendOptions {
compress?: boolean;
}
export declare class Socket extends EventEmitter {
readonly protocol: number;
readonly request: IncomingMessage;
readonly remoteAddress: string;
_readyState: string;
transport: Transport;
private server;
private upgrading;
private upgraded;
private writeBuffer;
private packetsFn;
private sentCallbackFn;
private cleanupFn;
private checkIntervalTimer;
private upgradeTimeoutTimer;
private pingTimeoutTimer;
private pingIntervalTimer;
/**
* This is the session identifier that the client will use in the subsequent HTTP requests. It must not be shared with
* others parties, as it might lead to session hijacking.
*
* @private
*/
private readonly id;
get readyState(): string;
set readyState(state: string);
/**
* Client class (abstract).
*
* @api private
*/
constructor(id: any, server: any, transport: any, req: any, protocol: any);
/**
* Called upon transport considered open.
*
* @api private
*/
private onOpen;
/**
* Called upon transport packet.
*
* @param {Object} packet
* @api private
*/
private onPacket;
/**
* Called upon transport error.
*
* @param {Error} error object
* @api private
*/
private onError;
/**
* Pings client every `this.pingInterval` and expects response
* within `this.pingTimeout` or closes connection.
*
* @api private
*/
private schedulePing;
/**
* Resets ping timeout.
*
* @api private
*/
private resetPingTimeout;
/**
* Attaches handlers for the given transport.
*
* @param {Transport} transport
* @api private
*/
private setTransport;
/**
* Upgrades socket to the given transport
*
* @param {Transport} transport
* @api private
*/
private maybeUpgrade;
/**
* Clears listeners and timers associated with current transport.
*
* @api private
*/
private clearTransport;
/**
* Called upon transport considered closed.
* Possible reasons: `ping timeout`, `client error`, `parse error`,
* `transport error`, `server close`, `transport close`
*/
private onClose;
/**
* Setup and manage send callback
*
* @api private
*/
private setupSendCallback;
/**
* Sends a message packet.
*
* @param {Object} data
* @param {Object} options
* @param {Function} callback
* @return {Socket} for chaining
* @api public
*/
send(data: RawData, options?: SendOptions, callback?: () => void): this;
/**
* Alias of {@link send}.
*
* @param data
* @param options
* @param callback
*/
write(data: RawData, options?: SendOptions, callback?: () => void): this;
/**
* Sends a packet.
*
* @param {String} type - packet type
* @param {String} data
* @param {Object} options
* @param {Function} callback
*
* @api private
*/
private sendPacket;
/**
* Attempts to flush the packets buffer.
*
* @api private
*/
private flush;
/**
* Get available upgrades for this socket.
*
* @api private
*/
private getAvailableUpgrades;
/**
* Closes the socket and underlying transport.
*
* @param {Boolean} discard - optional, discard the transport
* @return {Socket} for chaining
* @api public
*/
close(discard?: boolean): void;
/**
* Closes the underlying transport.
*
* @param {Boolean} discard
* @api private
*/
private closeTransport;
}