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require 'socket'

module Thrift
  class UNIXServerSocket < BaseServerTransport
    def initialize(path)
      @path = path
      @handle = nil
    end

    attr_accessor :handle

    def listen
      @handle = ::UNIXServer.new(@path)
    end

    def accept
      unless @handle.nil?
        sock = @handle.accept
        trans = UNIXSocket.new(nil)
        trans.handle = sock
        trans
      end
    end

    def close
      if @handle
        @handle.close unless @handle.closed?
        @handle = nil
        # UNIXServer doesn't delete the socket file, so we have to do it ourselves
        File.delete(@path)
      end
    end

    def closed?
      @handle.nil? or @handle.closed?
    end

    alias to_io handle

    def to_s
      "domain(#{@path})"
    end
  end
end
