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adding make-listener-socket

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This commit is contained in:
Alex Shinn 2011-11-20 15:41:23 -08:00
parent adef7b2116
commit 05d01639eb
2 changed files with 30 additions and 3 deletions
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31
lib/chibi/net.scm
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@ -14,8 +14,8 @@
(if (and (pair? o) (car o)) (if (and (pair? o) (car o))
(car o) (car o)
(make-address-info address-family/inet (make-address-info address-family/inet
socket-type/stream socket-type/stream
ip-proto/tcp)))) ip-proto/tcp))))
;;> Opens a client net connection to @var{host}, a string, ;;> Opens a client net connection to @var{host}, a string,
;;> on port @var{service}, which can be a string such as ;;> on port @var{service}, which can be a string such as
@ -59,3 +59,30 @@
(let ((res (proc (car io) (car (cdr io))))) (let ((res (proc (car io) (car (cdr io)))))
(close-input-port (car io)) (close-input-port (car io))
res)))) res))))
;;> @subsubsubsection{@scheme{(make-listener-socket addrinfo [max-conn])}}
;;> Convenience wrapper to call socket, bind and listen to return
;;> a socket suitable for accepting connections on the given
;;> @var{addrinfo}. @var{max-conn} is the maximum number of pending
;;> connections, and defaults to 128.
(define (make-listener-socket addrinfo . o)
(let* ((max-connections (if (pair? o) (car o) 128))
(sock (socket (address-info-family addrinfo)
(address-info-socket-type addrinfo)
(address-info-protocol addrinfo))))
(cond
((negative? sock)
(error "couldn't create socket for: " addrinfo))
((negative? (bind sock
(address-info-address addrinfo)
(address-info-address-length addrinfo)))
(close-file-descriptor sock)
(error "couldn't bind socket for: " addrinfo))
((negative? (listen sock 100))
(close-file-descriptor sock)
(error "couldn't listen on socket for: " addrinfo))
(else
(set-file-descriptor-status! sock open/non-block)
sock))))

2
lib/chibi/net.sld
View file

@ -2,7 +2,7 @@
(define-library (chibi net) (define-library (chibi net)
(export sockaddr? address-info? get-address-info make-address-info (export sockaddr? address-info? get-address-info make-address-info
socket connect bind accept listen socket connect bind accept listen
with-net-io open-net-io with-net-io open-net-io make-listener-socket
address-info-family address-info-socket-type address-info-protocol address-info-family address-info-socket-type address-info-protocol
address-info-address address-info-address-length address-info-next address-info-address address-info-address-length address-info-next
address-family/unix address-family/inet address-family/unix address-family/inet