(defgeneric handle-data (base-mode message))
(defgeneric handle-init (base-mode message))
+(defgeneric handle-exit (base-mode message))
(defgeneric handle-prompt (base-mode message))
(defmethod handle-init ((m init-mode) message)
(setf play-sent-p t))
(set-new-mode m 'play-mode))))
+(defmethod handle-exit ((m play-mode) message)
+ (declare (ignorable message))
+ (quit (connection m)))
+
(defmethod handle-data ((m play-mode) message)
(let* ((c (connection m))
(log (logging-stream c)))
(defparameter *line-type-dispatch*
(list `(,+C_DATA+ . handle-data)
`(,+C_INIT+ . handle-init)
+ `(,+C_EXIT+ . handle-exit)
`(,+C_PROMPT+ . handle-prompt)))
(defun parse-server-line (line)
(format stream "No handler for ~a in mode ~a."
type mode)))))
(defmethod read-message ((c connection))
- (let* ((s (network-stream c))
- (log (logging-stream c))
- (line (read-line s)))
- (format log "< ~a~%" line)
- (multiple-value-bind (message type) (parse-server-line line)
- (let ((handler (lookup-handler type))
- (mode (connection-mode c)))
- (if handler
- (funcall handler mode message)
- (error 'no-handler :mode mode :type type))))
- line))
+ (handler-case
+ (let* ((s (network-stream c))
+ (log (logging-stream c))
+ (line (read-line s)))
+ (format log "< ~a~%" line)
+ (multiple-value-bind (message type) (parse-server-line line)
+ (let ((handler (lookup-handler type))
+ (mode (connection-mode c)))
+ (if handler
+ (funcall handler mode message)
+ (error 'no-handler :mode mode :type type))))
+ line)
+ (sb-int:closed-stream-error () nil)))
(defmethod send-message ((c connection) message)
(let ((s (network-stream c))
;; destination of login-form
(defun login-action ()
- (let ((connection (empire:connect :user (post-parameter "username")
- :password (post-parameter "password"))))
- (setf (session-value 'connection) connection)
- (redirect +root-url+)))
+ (handler-case
+ (let ((connection (empire:connect :user (post-parameter "username")
+ :password (post-parameter "password"))))
+ (setf (session-value 'connection) connection)
+ (redirect +root-url+))
+ (usocket:connection-refused-error (e)
+ (format nil "Connection error: ~a~%" e))))
(defun command-action ()
(let ((connection (session-value 'connection)))