random_port: Find a random available TCP port

Description Usage Arguments Value

View source: R/utils.R

Description

Test a series of random TCP ports from 3000 to 8000 (excluding a few that are considered unsafe by Chrome) and return the first available one. A web server can be later started on this port.

Usage

1
random_port(port = 4321L, host = getOption("servr.host", "127.0.0.1"), n = 20)

Arguments

port

The preferred port(s).

host

A string that is a valid IPv4 address that is owned by this server, or "0.0.0.0" to listen on all IP addresses.

n

The maximum number of random ports to be tested.

Value

A port number, or an error if no ports are available.


servr documentation built on Nov. 17, 2021, 1:07 a.m.

Related to random_port in servr...