cluster.d.ts
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declare module "cluster" {
import * as child from "child_process";
import * as events from "events";
import * as net from "net";
// interfaces
interface ClusterSettings {
execArgv?: string[]; // default: process.execArgv
exec?: string;
args?: string[];
silent?: boolean;
stdio?: any[];
uid?: number;
gid?: number;
inspectPort?: number | (() => number);
}
interface Address {
address: string;
port: number;
addressType: number | "udp4" | "udp6"; // 4, 6, -1, "udp4", "udp6"
}
class Worker extends events.EventEmitter {
id: number;
process: child.ChildProcess;
send(message: child.Serializable, sendHandle?: child.SendHandle, callback?: (error: Error | null) => void): boolean;
kill(signal?: string): void;
destroy(signal?: string): void;
disconnect(): void;
isConnected(): boolean;
isDead(): boolean;
exitedAfterDisconnect: boolean;
/**
* events.EventEmitter
* 1. disconnect
* 2. error
* 3. exit
* 4. listening
* 5. message
* 6. online
*/
addListener(event: string, listener: (...args: any[]) => void): this;
addListener(event: "disconnect", listener: () => void): this;
addListener(event: "error", listener: (error: Error) => void): this;
addListener(event: "exit", listener: (code: number, signal: string) => void): this;
addListener(event: "listening", listener: (address: Address) => void): this;
addListener(event: "message", listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
addListener(event: "online", listener: () => void): this;
emit(event: string | symbol, ...args: any[]): boolean;
emit(event: "disconnect"): boolean;
emit(event: "error", error: Error): boolean;
emit(event: "exit", code: number, signal: string): boolean;
emit(event: "listening", address: Address): boolean;
emit(event: "message", message: any, handle: net.Socket | net.Server): boolean;
emit(event: "online"): boolean;
on(event: string, listener: (...args: any[]) => void): this;
on(event: "disconnect", listener: () => void): this;
on(event: "error", listener: (error: Error) => void): this;
on(event: "exit", listener: (code: number, signal: string) => void): this;
on(event: "listening", listener: (address: Address) => void): this;
on(event: "message", listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
on(event: "online", listener: () => void): this;
once(event: string, listener: (...args: any[]) => void): this;
once(event: "disconnect", listener: () => void): this;
once(event: "error", listener: (error: Error) => void): this;
once(event: "exit", listener: (code: number, signal: string) => void): this;
once(event: "listening", listener: (address: Address) => void): this;
once(event: "message", listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
once(event: "online", listener: () => void): this;
prependListener(event: string, listener: (...args: any[]) => void): this;
prependListener(event: "disconnect", listener: () => void): this;
prependListener(event: "error", listener: (error: Error) => void): this;
prependListener(event: "exit", listener: (code: number, signal: string) => void): this;
prependListener(event: "listening", listener: (address: Address) => void): this;
prependListener(event: "message", listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
prependListener(event: "online", listener: () => void): this;
prependOnceListener(event: string, listener: (...args: any[]) => void): this;
prependOnceListener(event: "disconnect", listener: () => void): this;
prependOnceListener(event: "error", listener: (error: Error) => void): this;
prependOnceListener(event: "exit", listener: (code: number, signal: string) => void): this;
prependOnceListener(event: "listening", listener: (address: Address) => void): this;
prependOnceListener(event: "message", listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
prependOnceListener(event: "online", listener: () => void): this;
}
interface Cluster extends events.EventEmitter {
Worker: Worker;
disconnect(callback?: () => void): void;
fork(env?: any): Worker;
isMaster: boolean;
isWorker: boolean;
schedulingPolicy: number;
settings: ClusterSettings;
setupMaster(settings?: ClusterSettings): void;
worker?: Worker;
workers?: NodeJS.Dict<Worker>;
readonly SCHED_NONE: number;
readonly SCHED_RR: number;
/**
* events.EventEmitter
* 1. disconnect
* 2. exit
* 3. fork
* 4. listening
* 5. message
* 6. online
* 7. setup
*/
addListener(event: string, listener: (...args: any[]) => void): this;
addListener(event: "disconnect", listener: (worker: Worker) => void): this;
addListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): this;
addListener(event: "fork", listener: (worker: Worker) => void): this;
addListener(event: "listening", listener: (worker: Worker, address: Address) => void): this;
addListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
addListener(event: "online", listener: (worker: Worker) => void): this;
addListener(event: "setup", listener: (settings: ClusterSettings) => void): this;
emit(event: string | symbol, ...args: any[]): boolean;
emit(event: "disconnect", worker: Worker): boolean;
emit(event: "exit", worker: Worker, code: number, signal: string): boolean;
emit(event: "fork", worker: Worker): boolean;
emit(event: "listening", worker: Worker, address: Address): boolean;
emit(event: "message", worker: Worker, message: any, handle: net.Socket | net.Server): boolean;
emit(event: "online", worker: Worker): boolean;
emit(event: "setup", settings: ClusterSettings): boolean;
on(event: string, listener: (...args: any[]) => void): this;
on(event: "disconnect", listener: (worker: Worker) => void): this;
on(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): this;
on(event: "fork", listener: (worker: Worker) => void): this;
on(event: "listening", listener: (worker: Worker, address: Address) => void): this;
on(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
on(event: "online", listener: (worker: Worker) => void): this;
on(event: "setup", listener: (settings: ClusterSettings) => void): this;
once(event: string, listener: (...args: any[]) => void): this;
once(event: "disconnect", listener: (worker: Worker) => void): this;
once(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): this;
once(event: "fork", listener: (worker: Worker) => void): this;
once(event: "listening", listener: (worker: Worker, address: Address) => void): this;
once(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
once(event: "online", listener: (worker: Worker) => void): this;
once(event: "setup", listener: (settings: ClusterSettings) => void): this;
prependListener(event: string, listener: (...args: any[]) => void): this;
prependListener(event: "disconnect", listener: (worker: Worker) => void): this;
prependListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): this;
prependListener(event: "fork", listener: (worker: Worker) => void): this;
prependListener(event: "listening", listener: (worker: Worker, address: Address) => void): this;
prependListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
prependListener(event: "online", listener: (worker: Worker) => void): this;
prependListener(event: "setup", listener: (settings: ClusterSettings) => void): this;
prependOnceListener(event: string, listener: (...args: any[]) => void): this;
prependOnceListener(event: "disconnect", listener: (worker: Worker) => void): this;
prependOnceListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): this;
prependOnceListener(event: "fork", listener: (worker: Worker) => void): this;
prependOnceListener(event: "listening", listener: (worker: Worker, address: Address) => void): this;
// the handle is a net.Socket or net.Server object, or undefined.
prependOnceListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this;
prependOnceListener(event: "online", listener: (worker: Worker) => void): this;
prependOnceListener(event: "setup", listener: (settings: ClusterSettings) => void): this;
}
const SCHED_NONE: number;
const SCHED_RR: number;
function disconnect(callback?: () => void): void;
function fork(env?: any): Worker;
const isMaster: boolean;
const isWorker: boolean;
let schedulingPolicy: number;
const settings: ClusterSettings;
function setupMaster(settings?: ClusterSettings): void;
const worker: Worker;
const workers: NodeJS.Dict<Worker>;
/**
* events.EventEmitter
* 1. disconnect
* 2. exit
* 3. fork
* 4. listening
* 5. message
* 6. online
* 7. setup
*/
function addListener(event: string, listener: (...args: any[]) => void): Cluster;
function addListener(event: "disconnect", listener: (worker: Worker) => void): Cluster;
function addListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): Cluster;
function addListener(event: "fork", listener: (worker: Worker) => void): Cluster;
function addListener(event: "listening", listener: (worker: Worker, address: Address) => void): Cluster;
// the handle is a net.Socket or net.Server object, or undefined.
function addListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): Cluster;
function addListener(event: "online", listener: (worker: Worker) => void): Cluster;
function addListener(event: "setup", listener: (settings: ClusterSettings) => void): Cluster;
function emit(event: string | symbol, ...args: any[]): boolean;
function emit(event: "disconnect", worker: Worker): boolean;
function emit(event: "exit", worker: Worker, code: number, signal: string): boolean;
function emit(event: "fork", worker: Worker): boolean;
function emit(event: "listening", worker: Worker, address: Address): boolean;
function emit(event: "message", worker: Worker, message: any, handle: net.Socket | net.Server): boolean;
function emit(event: "online", worker: Worker): boolean;
function emit(event: "setup", settings: ClusterSettings): boolean;
function on(event: string, listener: (...args: any[]) => void): Cluster;
function on(event: "disconnect", listener: (worker: Worker) => void): Cluster;
function on(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): Cluster;
function on(event: "fork", listener: (worker: Worker) => void): Cluster;
function on(event: "listening", listener: (worker: Worker, address: Address) => void): Cluster;
function on(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): Cluster; // the handle is a net.Socket or net.Server object, or undefined.
function on(event: "online", listener: (worker: Worker) => void): Cluster;
function on(event: "setup", listener: (settings: ClusterSettings) => void): Cluster;
function once(event: string, listener: (...args: any[]) => void): Cluster;
function once(event: "disconnect", listener: (worker: Worker) => void): Cluster;
function once(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): Cluster;
function once(event: "fork", listener: (worker: Worker) => void): Cluster;
function once(event: "listening", listener: (worker: Worker, address: Address) => void): Cluster;
function once(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): Cluster; // the handle is a net.Socket or net.Server object, or undefined.
function once(event: "online", listener: (worker: Worker) => void): Cluster;
function once(event: "setup", listener: (settings: ClusterSettings) => void): Cluster;
function removeListener(event: string, listener: (...args: any[]) => void): Cluster;
function removeAllListeners(event?: string): Cluster;
function setMaxListeners(n: number): Cluster;
function getMaxListeners(): number;
function listeners(event: string): Function[];
function listenerCount(type: string): number;
function prependListener(event: string, listener: (...args: any[]) => void): Cluster;
function prependListener(event: "disconnect", listener: (worker: Worker) => void): Cluster;
function prependListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): Cluster;
function prependListener(event: "fork", listener: (worker: Worker) => void): Cluster;
function prependListener(event: "listening", listener: (worker: Worker, address: Address) => void): Cluster;
// the handle is a net.Socket or net.Server object, or undefined.
function prependListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): Cluster;
function prependListener(event: "online", listener: (worker: Worker) => void): Cluster;
function prependListener(event: "setup", listener: (settings: ClusterSettings) => void): Cluster;
function prependOnceListener(event: string, listener: (...args: any[]) => void): Cluster;
function prependOnceListener(event: "disconnect", listener: (worker: Worker) => void): Cluster;
function prependOnceListener(event: "exit", listener: (worker: Worker, code: number, signal: string) => void): Cluster;
function prependOnceListener(event: "fork", listener: (worker: Worker) => void): Cluster;
function prependOnceListener(event: "listening", listener: (worker: Worker, address: Address) => void): Cluster;
// the handle is a net.Socket or net.Server object, or undefined.
function prependOnceListener(event: "message", listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): Cluster;
function prependOnceListener(event: "online", listener: (worker: Worker) => void): Cluster;
function prependOnceListener(event: "setup", listener: (settings: ClusterSettings) => void): Cluster;
function eventNames(): string[];
}