simple TCP client connection

gclient.rb

# GClient.rb
#
require 'thread'
require 'socket'
require 'timeout'

BasicSocket.do_not_reverse_lookup = true
Thread.abort_on_exception = true

class GClient
	def self.run_continous(host,port,timer_interconnection,&b)
	  Thread.new do
		  loop { (run_one_shot(host,port,&b)||Thread.new {}).join ; sleep timer_interconnection }
	  end
    end	
	
	def self.run_one_shot(host="localhost",port=80) 
		puts "Connecting to #{host}:#{port}..."
		begin
		  socket = TCPSocket.new(host,port)
		rescue
		  puts "not connected ro #{host}:#{port}: " + $!.to_s
		  return nil
		end
		Thread.new do
			begin
			  yield(socket)
			rescue Exception => e
				puts "#{e}\n  #{e.backtrace.join("\n  ")}"
			ensure
			  socket.close() rescue nil
			end
		end
	end
end