X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela_server.scm;h=8c45b20ecdb684f95f3e18fd3e0994ff16329154;hb=91e03880066280940b29a89eae28510e124e58cb;hp=548488efcb637ed8517931f44f0f48883711e8c2;hpb=71acfe50145894e950d1d9deb656fb36132b5de3;p=gacela.git

diff --git a/src/gacela_server.scm b/src/gacela_server.scm
index 548488e..8c45b20 100644
--- a/src/gacela_server.scm
+++ b/src/gacela_server.scm
@@ -17,23 +17,80 @@
 
 (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))
-	  (fcntl server-socket F_SETFL (logior O_NONBLOCK (fcntl server-socket F_GETFL)))
-	  (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 () (set! clients (cons (accept server-socket) clients)))
+		 (lambda ()
+		   (cond ((char-ready? server-socket)
+			  (set! clients (cons (accept server-socket) clients)))))
 		 (lambda (key . args) #f))))
 
+  (set! eval-from-clients
+	(lambda ()
+	  (cond (server-pipes
+		 (eval-from-client (car server-pipes) (cdr server-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)))
\ No newline at end of file
+	  (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)))
+		    (cond ((eof-object? exp)
+			   (close rec-channel))
+			  (else
+			   (let ((result (eval-string exp)))
+			     (write (if (eq? result *unspecified*) "" (format #f "~a" result)) send-channel))))))
+		(lambda (key . args)
+		  (let ((fmt (string-concatenate (list (cadr args) "~%")))
+			(params (caddr args)))
+		    (write
+		     (if params
+			 (apply format (cons #f (cons fmt params)))
+			 (format #f fmt))
+		     send-channel))))
+	 (force-output send-channel))))
+
+
+(define (connect-to-server client-socket hostname port)
+  (connect client-socket AF_INET (car (hostent:addr-list (gethost hostname))) port))