http/2 frames example

h2frames.rb

def h2frames(name)
  frames = {
    'pri' => "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n",
    'settings' => "\x00\x00\x0C" +
                  "\x04" +
                  "\x00" +
                  "\x00\x00\x00\x00" +
                  "\x00\x02\x00\x00\x00\x00" +
                  "\x00\x03\x00\x00\x00\x64",
     'ack' => "\x00\x00\x00" +
              "\x04" +
              "\x01" +
              "\x00\x00\x00\x00",
    
         'headers' => "\x00\x00\x3a" +
                          "\x01" +
                          "\x05" +
                          "\x00\x00\x00\x01" +
                          "\x00" +
                          "\x07:method" +                                  # 7 :method
                          "\x03\x47\x45\x54" +                             # 3 GET
                          "\x00" +
                          "\x05\x3a\x70\x61\x74\x68" +                     # 5 :path
                          "\x01\x2f" +                                     # 1 /
                          "\x00" +
                          "\x07\x3a\x73\x63\x68\x65\x6d\x65" +             # 7 :scheme
                          "\x04http" +                                     # 4 http
                          "\x00" +
                          "\x0a\x3a\x61\x75\x74\x68\x6f\x72\x69\x74\x79" + # 10 :authority
                          "\x09localhost"                                  # 9 localhost
  }

  frames[name]
end