add_unix_listener

in lib/puma/binder.rb [306:343]

• 29 lines of code
• 6 McCabe index (conditional complexity)

    def add_unix_listener(path, umask=nil, mode=nil, backlog=1024)
      @unix_paths << path unless File.exist? path

      
      umask ||= 0

      begin
        old_mask = File.umask(umask)

        if File.exist? path
          begin
            old = UNIXSocket.new path
          rescue SystemCallError, IOError
            File.unlink path
          else
            old.close
            raise "There is already a server bound to: #{path}"
          end
        end

        s = UNIXServer.new(path)
        s.listen backlog
        @ios << s
      ensure
        File.umask old_mask
      end

      if mode
        File.chmod mode, path
      end

      env = @proto_env.dup
      env[REMOTE_ADDR] = "127.0.0.1"
      @envs[s] = env

      s
    end