[racket-users] Re: Setting TTL on non-multicast UDP

2019-10-16 Thread George Neuner
On Wed, 16 Oct 2019 15:34:53 -0400, David Storrs wrote: >I'm implementing the port prediction NAT-traversal algorithm[1], part >of which specifies sending non-multicast UDP packets with very short >TTLs. The only method I see in the Racket docs for setting TTL on UDP >is the udp-multicast-set-tt

Re: [racket-users] regexp-match + REPL leads to confusing output

2019-10-16 Thread Matthew Flatt
At Wed, 16 Oct 2019 21:25:35 +, Sage Gerard wrote: > I'd like to understand the reader better, and this seems relevant to > it. In this REPL session I do not escape \S with a second \ in the > first interaction. After I introduce the slash later, the REPL never > really "recovers." Even a simpl

[racket-users] regexp-match + REPL leads to confusing output

2019-10-16 Thread Sage Gerard
I'd like to understand the reader better, and this seems relevant to it. In this REPL session I do not escape \S with a second \ in the first interaction. After I introduce the slash later, the REPL never really "recovers." Even a simple (displayln) stops producing output. What's happening? We

[racket-users] Setting TTL on non-multicast UDP

2019-10-16 Thread David Storrs
I'm implementing the port prediction NAT-traversal algorithm[1], part of which specifies sending non-multicast UDP packets with very short TTLs. The only method I see in the Racket docs for setting TTL on UDP is the udp-multicast-set-ttl! function. Is there a way to do this for regular UDP packet