Halite-III Ruby Debugging proxy

game.rb

require 'socket'
class Game
  def initialize(name, proxy_socket=nil)
    if proxy_socket
      @socket = UNIXSocket.new(proxy_socket)
      @input = @output = @socket
    else
      @input = $stdin
      @output = $stdout
    end

    #...
  end
  
  #...

  # replace $stdin/$stdout with IO variables
  # from initialize
  
  def read_from_input
    @input.gets.strip
  end
  
  private
  
  def write_to_output(data)
    data = "#{data.strip}"
    LOGGER.info("Sending: #{data.inspect}")
    @output.puts(data)
  end
end

ProxyBot.rb

require 'socket'

SOCKET_FILE = './.bot_socket'

$stdout.sync = true
File.delete(SOCKET_FILE) if File.exist?(SOCKET_FILE)
server = UNIXServer.open(SOCKET_FILE)
bot_connection = server.accept

OUTPUT_DESTINATIONS = {
  bot: $stdout,
  halite: bot_connection
}

queue = Queue.new

# Halite output thread
Thread.new do
  while true
    queue << [:halite, $stdin.gets]
  end
end

# Bot output thread
Thread.new do
  while true
    queue << [:bot, bot_connection.gets]
  end
end

while true
  source, message = queue.pop
  OUTPUT_DESTINATIONS[source].puts(message)
end

usage.sh

> ./halite --no-timeout "ruby ProxyBot.rb" "ruby some_other_bot.rb"

# Then, in another terminal

> ruby MyBot.rb