syndicate-lang
/
syndicate-2017
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Migrate fetchurl.rkt to syndicate/actor

This commit is contained in:
Tony Garnock-Jones 2016-07-12 18:57:18 -04:00
parent b444bccb80
commit ec2996e931
1 changed files with 15 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
examples/netstack/fetchurl.rkt
View File

@ -1,22 +1,18 @@
#lang syndicate/monolithic
#lang syndicate/actor
(require syndicate/drivers/timer)
(require "demo-config.rkt")
(require "ethernet.rkt")
(require "arp.rkt")
(require "ip.rkt")
(require "tcp.rkt")
(require "udp.rkt")
;;(log-events-and-actions? #t)
(spawn-timer-driver)
(spawn-ethernet-driver)
(spawn-arp-driver)
(require/activate syndicate/drivers/timer)
(require/activate "ethernet.rkt")
(require/activate "arp.rkt")
(spawn-ip-driver)
(spawn-tcp-driver)
(spawn-udp-driver)
(spawn-demo-config)
(require/activate "demo-config.rkt")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@ -24,25 +20,14 @@
(define local-handle (tcp-handle 'httpclient))
(define remote-handle (tcp-address "129.10.115.92" 80))
(spawn (lambda (e seen-peer?)
(match e
[(scn g)
(define peer-present? (trie-non-empty? g))
(if (and (not peer-present?) seen-peer?)
(begin (printf "URL fetcher exiting.\n")
(quit))
(transition (or seen-peer? peer-present?)
(message
(tcp-channel
local-handle
remote-handle
#"GET / HTTP/1.0\r\nHost: stockholm.ccs.neu.edu\r\n\r\n"))))]
[(message (tcp-channel _ _ bs))
(actor (react
(assert (advertise (tcp-channel local-handle remote-handle _)))
(on (asserted (advertise (tcp-channel remote-handle local-handle _)))
(send! (tcp-channel local-handle
remote-handle
#"GET / HTTP/1.0\r\nHost: stockholm.ccs.neu.edu\r\n\r\n")))
(stop-when (retracted (advertise (tcp-channel remote-handle local-handle _)))
(printf "URL fetcher exiting.\n"))
(on (message (tcp-channel remote-handle local-handle $bs))
(printf "----------------------------------------\n~a\n" bs)
(printf "----------------------------------------\n")
#f]
[_ #f]))
#f
(scn/union (advertisement (tcp-channel local-handle remote-handle ?))
(subscription (tcp-channel remote-handle local-handle ?))
(subscription (advertise (tcp-channel remote-handle local-handle ?))))))
(printf "----------------------------------------\n")))))