socket_server.nit

module socket_server
import socket


if args.is_empty then
	print "Usage : ./<app> <port>"
	return 
end

var socket = new Socket.streamWithPort(args[0].to_i)
print "[PORT] : "+socket.port.to_s
print "Binding ... "+socket.bind.to_s
print "Listening ... "+socket.listen(3).to_s

var clients = new Array[Socket]
var max = socket
loop
	var fs = new SocketObserver(true, true, true)
	#fs.readset.zero
	fs.readset.set(socket)

	for c in clients
	do
		fs.readset.set(c)
	end

	if fs.select(max, 4, 0) == 0 then
		print "Error occured in select "+socket.errno.to_s
		break
	end

	if fs.readset.isSet(socket) then
		var ns = socket.accept
		print "Accepting "+ns.address+" ... "
		print "[Message from "+ns.address+"] : "+ns.read
		ns.write("Degage")
		print "Closing "+ns.address+" ... "+ns.close.to_s
	end
end