lib/socket/examples/socket_client.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2013 Matthieu Lucas <lucasmatthieu@gmail.com>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Client sample using the Socket module which connect to the server sample.
  18 module socket_client
  19
  20 import socket
  21
  22 if args.length < 2 then
  23         print "Usage : socket_client <host> <port>"
  24         exit 1
  25 end
  26
  27 var address = args[0]
  28 var port = args[1].to_i
  29
  30 # Open a conection with the server
  31 var s = new TCPStream.connect(address, port)
  32 printn "Connecting to {s.host}:{s.port} at {s.address}... "
  33 print if s.connected then "Connected" else "Connection failed"
  34
  35 if s.connected then
  36         # Communicate
  37         s.write "Hello server!\n"
  38         print s.read_line
  39         s.write "Bye server!\n"
  40         print s.read_line
  41
  42         s.close
  43 end