Polyglot

How To Write A Web App in 6 Programming Languages

Transcript

1. Polyglot Or  How  To  Write  A  Web  App  in  6   Programming  Languages Chang  Sau  Sheong   Oct  2014 1
2. *  http://spectrum.ieee.org/computing/software/top-­‐10-­‐programming-­‐languages 2
3. *http://blog.codeeval.com/codeevalblog/2014 3
4. Programming   language  wars 4
5. Dependency  hell 5
6. Polyglot 6
7. Build  your  web  app   with  any  language 7
8. All  at  once 8
9. Acceptor HTTP Responder Responder Responder POST/_/post Responder Responder Responder GET/_/posts Acceptor HTTP Acceptor HTTP Broker ZMQ ZMQ Responder Responder Responder GET/_/post/new 9
10. 10 Acceptor P
11. 11 P Broker
12. 12 Responder You  need  to  write  this
13. Simple  responder require 'securerandom' require 'bundler' Bundler.require broker = "tcp://localhost:4321" routeid = "GET/_/hello/ruby" identity = SecureRandom.uuid puts "#{routeid} - #{identity} responder ready." ctx = ZMQ::Context.new client = ctx.socket ZMQ::REQ client.identity = identity client.connect broker client.send_string routeid loop do request = String.new client.recv_string request response = [routeid, "200", "{\"Content-Type\": \"text/html\"}", "Hello World"] client.send_strings response end Define  route  ID  and  unique   responder  identity Connect  to  broker Register  responder Receive  request  and  process   it Return  with  response 13
14. Distributed  by  default 14
15. 15 Broker Acceptor Responder Responder Responder
16. Scale  as  you  like  it 16
17. 17 Broker Acceptor Responder Responder Responder Acceptor Responder
18. Evolve  your  web  app 18
19. 19 Broker Acceptor Responder Responder Responder
20. Still  Evolving   (need  your  feedback  and  help) 20
21. http://github.com/sausheong/polyglot   sausheong@gmail.com   @sausheong 21