module HTTPX::Plugins::H2::ConnectionMethods

   # File lib/httpx/plugins/upgrade/h2.rb
25 def interests
26   return super unless connecting? && @parser
27 
28   connect
29 
30   return @io.interests if connecting?
31 
32   super
33 end

   # File lib/httpx/plugins/upgrade/h2.rb
35 def upgrade_to_h2
36   enqueue_pending_requests_from_parser(@parser)
37 
38   @parser = @options.http2_class.new(@write_buffer, @options)
39   set_parser_callbacks(@parser)
40   @upgrade_protocol = "h2"
41 
42   # what's happening here:
43   # a deviation from the state machine is done to perform the actions when a
44   # connection is closed, without transitioning, so the connection is kept in the pool.
45   # the state is reset to initial, so that the socket reconnect works out of the box,
46   # while the parser is already here.
47   purge_after_closed
48   transition(:idle)
49 end