On 02/12/2016 07:33 PM, Ty Coghlan wrote:
Both of you were correct, I had to flush my output and newline terminate it. The final result looks like:(define (broadcast source destination type message port) (let ([h (hash 'source source 'dest destination 'type type 'message message)]) (fprintf port "~a\n" (jsexpr->string h)) (flush-output port))) I do have a couple of followup questions. Will flushing the output have issues when multiple bridges are active at once? The actual data packets are small enough that I doubt it'd overflow a buffer, if that helps.
Your program is single-threaded, so I don't know what kinds of issues could come up. And ever if you run multiple copies of your program simultaneously, the communication is connection-based, so they shouldn't interfere.
When I compile this program, I notice that it takes up 5MB of space. Is that because it's also compiling the c library that unix-socket wraps? Or is the JSON library that large?
By compile do you mean `raco exe`? Most of that space is probably the Racket VM (the racket binary on my machine is about 3.6 MB). The rest is the bytecode for racket language, json library, etc. You could trim that a bit by using `#lang racket/base` instead of `#lang racket`.
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