Module: Wick::IO

Defined in:
lib/wick/io.rb

Class Method Summary collapse

Class Method Details

.bind(options, &block) ⇒ Object



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# File 'lib/wick/io.rb', line 5

def self.bind(options, &block)
  readables_array = [options[:read]].flatten
  writables_array = [options[:write]].flatten

  read_map = {}
  readables_array.each do |io|
    read_map[io] = Stream.new
  end

  block_arg = read_map.values

  write_streams = [block.call(*block_arg)].flatten
  write_map = Hash[writables_array.zip(write_streams)]

  write_map.each_pair do |io, stream|
    stream.each do |line|
      io.puts(line)
    end
  end

  read_map.values.each do |stream|
    stream.start!
  end

  Wick.run_loop! do
    ready = ::IO.select(read_map.keys)
    ready[0].each do |io|
      io.read_nonblock(1_000_000).each_line do |line|
        read_map[io] << line
      end
    end
  end
rescue EOFError
  puts "A connection was closed. Shutting down."
end