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schemelib
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Loop works but host not filled :(

This commit is contained in:
Quentin 2020-07-09 16:49:25 +02:00
parent c4e87de70f
commit f9b8f8a869
1 changed files with 19 additions and 20 deletions
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39
examples/udp_server.scm
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@ -41,30 +41,31 @@
(ftype-sizeof sockaddr_in))))))
(define (udpsock-readblock sock fx)
(let*
(letrec*
([bufsize 1500] [straddrsize 255]
[buf (foreign-alloc bufsize)]
[straddr (make-ftype-pointer
char
[straddr (make-ftype-pointer char
(foreign-alloc straddrsize))]
[addrlen (make-ftype-pointer
int
[addrlen (make-ftype-pointer int
(foreign-alloc (ftype-sizeof int)))]
[_ (ftype-set! int () addrlen (ftype-sizeof sockaddr_in))]
[addr (make-ftype-pointer
sockaddr_in
(foreign-alloc (ftype-sizeof sockaddr_in)))]
[nread (recvfrom sock buf bufsize 'MSG_DEFAULT addr addrlen)])
[loop (lambda (ifx) (cond ((ifx) (loop ifx)) (#t #t)))])
; FIXME add a loop and check fx output to know if we continue
(fx
(inet_ntop
'AF_INET
(ftype-pointer-address
(ftype-&ref sockaddr_in (sin_addr) addr))
straddr
straddrsize)
(ntohs (ftype-ref sockaddr_in (sin_port) addr))
buf nread)
(loop
(lambda ()
(let ([nread (recvfrom sock buf bufsize 'MSG_DEFAULT addr addrlen)])
(fx
(inet_ntop
'AF_INET
(ftype-pointer-address
(ftype-&ref sockaddr_in (sin_addr) addr))
straddr
straddrsize)
(ntohs (ftype-ref sockaddr_in (sin_port) addr))
buf nread))))
(foreign-free (ftype-pointer-address straddr))
(foreign-free (ftype-pointer-address addrlen))
@ -78,11 +79,9 @@
(udpsock-readblock
sock
(lambda (host port buf size)
(printf "~a~%" size)
(printf "~a~%" port)
(printf "~a~%" host)
(printf
"~a~%"
"host: ~a, port: ~a, size: ~a, buf: ~a~%"
host port size
(char*->string
(make-ftype-pointer char buf)))
))))