Class: Pool

Extends: undici.Dispatcher

A pool of Client instances connected to the same upstream target.

Requests are not guaranteed to be dispatched in order of invocation.

new Pool(url[, options])

Arguments:

• url URL | string - It should only include the protocol, hostname, and port.
• options PoolOptions (optional)

Parameter: PoolOptions

Extends: ClientOptions

• factory (origin: URL, opts: Object) => Dispatcher - Default: (origin, opts) => new Client(origin, opts)
• connections number | null (optional) - Default: null - The number of Client instances to create. When set to null, the Pool instance will create an unlimited amount of Client instances.
• interceptors { Pool: DispatchInterceptor[] } } - Default: { Pool: [] } - A list of interceptors that are applied to the dispatch method. Additional logic can be applied (such as, but not limited to: 302 status code handling, authentication, cookies, compression and caching).

Instance Properties

Pool.closed

Implements Client.closed

Pool.destroyed

Implements Client.destroyed

Pool.stats

Returns PoolStats instance for this pool.

Instance Methods

Pool.close([callback])

Implements Dispatcher.close([callback]).

Pool.destroy([error, callback])

Implements Dispatcher.destroy([error, callback]).

Pool.connect(options[, callback])

See Dispatcher.connect(options[, callback]).

Pool.dispatch(options, handler)

Implements Dispatcher.dispatch(options, handler).

Pool.pipeline(options, handler)

See Dispatcher.pipeline(options, handler).

Pool.request(options[, callback])

See Dispatcher.request(options [, callback]).

Pool.stream(options, factory[, callback])

See Dispatcher.stream(options, factory[, callback]).

Pool.upgrade(options[, callback])

See Dispatcher.upgrade(options[, callback]).

Instance Events

Event: 'connect'

See Dispatcher Event: 'connect'.

Event: 'disconnect'

See Dispatcher Event: 'disconnect'.

Event: 'drain'

See Dispatcher Event: 'drain'.