5. xhr(Xml Http Request) streaming GET Web Server browser HTTP Data GET xhr streaming 〜Server-Sent Event〜 Web Server browser Data Data Data Upgrade Web Socket Server browser Data Data Data Web Socket Data Data Data
6. How to send? (flush) print cgi.header( "type"=>"text/event-stream”, "Access-Control-Allow-Origin"=>"*”, "Access-Control-Allow-Methods"=>"GET”) while1 ifcurr != cache['pos'] …… print"data: "+message+"¥n” STDOUT.flush end end