Ruby

Bind and Listen on a Randomly Selected Unused Port

See more Socket/SSL/TLS Examples

Demonstrates how to bind and listen on a randomly selected unused port.

Note:The ListenPort property used in this example is available starting in Chilkat v9.5.0.59.

Ruby

require 'chilkat'

success = false

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

listenSocket = Chilkat::CkSocket.new()

# Pass a value of 0 for the port number to randomly select
# an unused port.
# (The 2nd argument allows for a backlog of 25 pending connection requests when accepting connections.)
success = listenSocket.BindAndListen(5555,25)
if (success != true)
    print listenSocket.lastErrorText() + "\n";
    exit
end

# Find out what port was chosen.
# Note: The ListenPort propety was added in Chilkat v9.5.0.59
listenPort = listenSocket.get_ListenPort()
print "Chosen listen port = " + listenPort.to_s() + "\n";