random_port | R Documentation |
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.
random_port(
port = 4321L,
host = getOption("servr.host", "127.0.0.1"),
n = 20,
exclude = NULL
)
port |
The preferred port(s). |
host |
A string that is a valid IPv4 address that is owned by this
server, or |
n |
The maximum number of random ports to be tested. |
exclude |
A vector of port numbers not to be considered. |
A port number, or an error if no ports are available.
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