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Asynchronously send UDP packets. 

Switch from synchronous to asynchronous UDP transmission, in case DNS
resolution takes a long time or fails. Specifically, in case of failure,
previously the UDP actor would crash, whereas now the packet is just
"dropped".
This commit is contained in:
Tony Garnock-Jones 2018-03-06 11:12:57 +00:00
parent 62f8385b24
commit 57a40e9576
1 changed files with 1 additions and 1 deletions
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2
racket/syndicate/drivers/udp.rkt
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@ -93,7 +93,7 @@
[(message (inbound (? udp-packet? p))) [(message (inbound (? udp-packet? p)))
(transition s (message p))] (transition s (message p))]
[(message (udp-packet _ (udp-remote-address host port) body)) [(message (udp-packet _ (udp-remote-address host port) body))
(udp:udp-send-to socket host port body) (thread (lambda () (udp:udp-send-to socket host port body)))
#f] #f]
[_ #f])) [_ #f]))
(void) (void)