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Implement bind

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This commit is contained in:
Quentin 2020-07-09 14:16:50 +02:00
parent b10b219003
commit 6f49424fb0
2 changed files with 18 additions and 16 deletions
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4
bindings/libc.scm
View file

@ -63,11 +63,11 @@
(domain->int af) (domain->int af)
src dst)) src dst))
; htons
(define (htons host) (define (htons host)
((foreign-procedure ((foreign-procedure
"htons" "htons"
( (short)
short) host))
(define (setsockopt sockfd level optname optval optlen) (define (setsockopt sockfd level optname optval optlen)
((foreign-procedure ((foreign-procedure

30
examples/udp_server.scm
View file

@ -32,22 +32,24 @@
(ftype-sizeof int)) (ftype-sizeof int))
"Unable to set REUSE ADDRESS")))) "Unable to set REUSE ADDRESS"))))
(define (udpsock-bind sock addr port) (define (udpsock-bind sock host port)
(alloc (alloc
(ftype-sizeof sockaddr_in) (ftype-sizeof sockaddr_in)
(lambda (addr) (lambda (raw-addr)
(ftype-set! sockaddr_in (sin_family) addr (domain->int 'AF_INET)) (let ([addr (make-ftype-pointer sockaddr_in raw-addr)])
(ftype-set! sockaddr_in (sin_port) addr (htons port)) (ftype-set! sockaddr_in (sin_family) addr (domain->int 'AF_INET))
(check-err (ftype-set! sockaddr_in (sin_port) addr (htons port))
(inet_pton (check-err
'AF_INET (inet_pton
addr 'AF_INET
(ftype-&ref sockaddr_in (sin_addr) addr)) host
"Unable to convert your IP address to binary") (ftype-pointer-address
(bind (ftype-&ref sockaddr_in (sin_addr) addr)))
sock "Unable to convert your IP address to binary")
addr (bind
(ftype-sizeof addr))))) sock
(ftype-pointer-address addr)
(ftype-sizeof sockaddr_in))))))
(udpsock-create (udpsock-create
(lambda (sock) (lambda (sock)