X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela_server.scm;h=eff695409226b04d30ee3512c266577957b97c1a;hb=5529af7c3a48a6231247ae8d472f359b6c75e938;hp=e7a69c67ee717a6ffccb574a5caccc3f9f0ec361;hpb=3957d4932d42a1c3c7292034f0bde8ca5abeb32a;p=gacela.git diff --git a/src/gacela_server.scm b/src/gacela_server.scm index e7a69c6..eff6954 100644 --- a/src/gacela_server.scm +++ b/src/gacela_server.scm @@ -16,12 +16,75 @@ (define start-server #f) +(define check-connections #f) +(define clean-closed-connections #f) +(define eval-from-clients #f) +(define stop-server #f) -(let ((server-socket #f) (clients '())) +(let ((server-socket #f) (clients '()) + (server-pipes #f)) (set! start-server - (lambda (port) - (set! server-socket (socket PF_INET SOCK_STREAM 0)) - (setsockopt server-socket SOL_SOCKET SO_REUSEADDR 1) - (bind server-socket AF_INET INADDR_ANY port) - (listen server-socket 5))) -) + (lambda* (#:key (port #f) (pipes #f)) + (cond (port + (set! server-socket (socket PF_INET SOCK_STREAM 0)) + (setsockopt server-socket SOL_SOCKET SO_REUSEADDR 1) + (bind server-socket AF_INET INADDR_ANY port) + (listen server-socket 5)) + (pipes + (set! server-pipes pipes))) + (cond ((not (game-running?)) + (game-loop))))) + + + (set! clean-closed-connections + (lambda (conns) + (cond ((null? conns) '()) + (else + (let* ((cli (car conns)) (sock (car cli))) + (cond ((port-closed? sock) + (clean-closed-connections (cdr conns))) + (else + (cons cli (clean-closed-connections (cdr conns)))))))))) + + (set! check-connections + (lambda () + (set! clients (clean-closed-connections clients)) + (catch #t + (lambda () + (cond ((char-ready? server-socket) + (set! clients (cons (accept server-socket) clients))))) + (lambda (key . args) #f)))) + + (set! eval-from-clients + (lambda () + (cond (pipes + (eval-from-client (car pipes) (cdr pipes)))) + (for-each + (lambda (cli) (eval-from-client (car cli) (car cli))) + clients))) + + (set! stop-server + (lambda () + (cond (server-socket + (close server-socket) + (set! server-socket #f))) + (for-each (lambda (cli) (close (car cli))) clients) + (set! clients '())))) + +(define (eval-from-client rec-channel send-channel) + (cond ((char-ready? rec-channel) + (catch #t + (lambda () + (let ((exp (read rec-channel))) + (format #t "~a~%" exp) + (cond ((eof-object? exp) + (close rec-channel)) + (else + (format #t "~a~%" (primitive-eval (car exp))) + (format send-channel "~a" (primitive-eval (car exp))))))) + (lambda (key . args) + (let ((fmt (string-concatenate (list (cadr args) "~%"))) + (params (caddr args))) + (if params + (apply format (cons send-channel (cons fmt params))) + (format send-channel fmt))))))))