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Feature #16597 » tcp_test.rb

michals (Michal Suchánek), 02/05/2020 10:29 PM

 
require 'socket'

class TestTcp
def initialize &block
@block=block
end

def classify res
res.map{|ary|
ary.map{|io|
name = nil
instance_variables.each{|var|
val = instance_variable_get var
name = var if val == io
}
name
}
}
end

PORT = 77777

def run

@pid = fork
if @pid then
sleep 1

@sock = TCPSocket.open('127.0.0.1', PORT)


sleep 1

fds = [@sock]

res = classify IO.select fds, fds, fds, 0
STDERR.puts "select: " + res.inspect

res = classify IO.select_with_poll fds, fds, fds, fds, 0
STDERR.puts "poll: " + res.inspect
else
@sock = TCPServer.open(PORT)
@client = @sock.accept
@block.call
end
end
end

(TestTcp.new{ exit 0 }).run
(TestTcp.new{ sleep 5 ; exit 0 }).run
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