Chat Client

client.rb

require "socket"

class Client
  def initialize(host, port)
    @server =  TCPSocket.open( host, port )
    @request = nil
    @response = nil
    listen
    send
    @request.join
    @response.join
  end

def listen
@response = Thread.new do
loop {
msg = @server.gets.chomp
puts "#{msg}"
}
end
end

  def send
    puts "Enter the username:"
    @request = Thread.new do
      loop {
        msg = $stdin.gets.chomp
        @server.puts( msg )
      }
    end
  end
end


Client.new("104.131.58.31", 3333)

server.rb

require "socket"
require 'colorize'

class Server
  def initialize( port, ip )
    @server = TCPServer.open( ip, port )
    @connections = Hash.new
    @rooms = Hash.new
    @clients = Hash.new
    @connections[:server] = @server
    @connections[:rooms] = @rooms
    @connections[:clients] = @clients
    run
  end

  def run
    loop {
      Thread.start(@server.accept) do | client |
        nick_name = client.gets.chomp.to_sym
        @connections[:clients].each_pair do |other_name, other_client|
          if nick_name == other_name || client == other_client
            client.puts "This username already exist"
            Thread.kill self
          end
        end
        puts "#{nick_name} Connected"
        @connections[:clients][nick_name] = client
        client.puts "Connection established, Thank you for joining! Happy chatting"
        listen_user_messages( nick_name, client )
      end
    }.join
  end

  def listen_user_messages( username, client )
    loop {
      msg = client.gets.chomp
      @connections[:clients].each_pair do |other_name, other_client|
        unless other_name == username
          other_client.puts "#{username.to_s.on_green}: #{msg}"
        end
      end
    }
  end
end

Server.new( 3000, "localhost" )