module HTTPX::Plugins::H2::ConnectionMethods

   # File lib/httpx/plugins/upgrade/h2.rb
25 def upgrade_to_h2
26   prev_parser = @parser
27 
28   if prev_parser
29     prev_parser.reset
30     @inflight -= prev_parser.requests.size
31   end
32 
33   @parser = Connection::HTTP2.new(@write_buffer, @options)
34   set_parser_callbacks(@parser)
35   @upgrade_protocol = "h2"
36 
37   # what's happening here:
38   # a deviation from the state machine is done to perform the actions when a
39   # connection is closed, without transitioning, so the connection is kept in the pool.
40   # the state is reset to initial, so that the socket reconnect works out of the box,
41   # while the parser is already here.
42   purge_after_closed
43   transition(:idle)
44 
45   prev_parser.requests.each do |req|
46     req.transition(:idle)
47     send(req)
48   end
49 end