Sha256: e3e3b58175249003556f705b312897fc04fc14fcc577fb7e17465c565fa0521c
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Size: 910 Bytes
Versions: 8
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Stored size: 910 Bytes
Contents
require "socket"
module Vagrant
module Util
# Contains the method {#is_port_open?} to check if a port is open
# (listening) or closed (not in use). This method isn't completely
# fool-proof, but it works enough of the time to be useful.
module IsPortOpen
# Checks if a port is open (listening) on a given host and port.
#
# @param [String] host Hostname or IP address.
# @param [Integer] port Port to check.
# @return [Boolean] `true` if the port is open (listening), `false`
# otherwise.
def is_port_open?(host, port)
begin
Socket.tcp(host, port, connect_timeout: 0.1).close
true
rescue Errno::ETIMEDOUT, Errno::ECONNREFUSED, Errno::EHOSTUNREACH, \
Errno::ENETUNREACH, Errno::EACCES, Errno::ENOTCONN, Errno::EALREADY
false
end
end
extend IsPortOpen
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems