(setf (connection-handler connection) handler)
connection))
-
(defgeneric quit (connection))
(defgeneric handle-connection (connection))
(defgeneric read-message (connection))
(defgeneric send-message (connection message))
+(defgeneric reconnect (conncetion))
+
+(defmethod reconnect ((c connection))
+ (with-slots (server-name server-port user password socket stream connection-handler) c
+ (let* ((sock (usocket:socket-connect server-name server-port))
+ (s (usocket:socket-stream sock))
+ (handler (spawn-with-name (format nil "empire-handler-~a" user)
+ #'handle-connection c)))
+ (setf socket sock
+ stream s
+ connection-handler handler))))
(defparameter +C_CMDOK+ "0")
(defparameter +C_DATA+ "1")
(defgeneric handle-init (base-mode message))
(defgeneric handle-exit (base-mode message))
(defgeneric handle-prompt (base-mode message))
+(defgeneric handle-simple-message (base-mode message))
(defmethod handle-init ((m init-mode) message)
(declare (ignorable message))
(format log "handle-data ~a~%" message)
(empire-web:data (session c) message)))
-(defmethod handle-flush ((m play-mode) message)
+(defmethod handle-simple-message ((m play-mode) message)
(let* ((c (connection m))
(log (logging-stream c)))
- (format log "handle-flush ~a~%" message)
+ (format log "handle-simple-message ~a~%" message)
(empire-web:data (session c) message)))
(defmethod handle-prompt ((m play-mode) message)
(list `(,+C_DATA+ . handle-data)
`(,+C_INIT+ . handle-init)
`(,+C_EXIT+ . handle-exit)
+ `(,+C_FLUSH+ . handle-simple-message)
+ `(,+C_BADCMD+ . handle-simple-message)
+ `(,+C_FLASH+ . handle-simple-message)
`(,+C_PROMPT+ . handle-prompt)))
(defun parse-server-line (line)
if (eq (char line i) #\Space)
do (return i)))
(message-type (subseq line 0 first-space-index))
- (message (subseq line (+ first-space-index 1))))
+ (message (if first-space-index
+ (subseq line (+ first-space-index 1))
+ "")))
(values message message-type)))
(defmethod handle-connection ((c connection))
(funcall handler mode message)
(error 'no-handler :mode mode :type type))))
line)
- (sb-int:closed-stream-error () nil)))
+ (sb-int:closed-stream-error () nil)
+ (end-of-file () nil)))
+
+(defun raw-send-message (s message)
+ (write-sequence message s)
+ (terpri s)
+ (force-output s))
(defmethod send-message ((c connection) message)
(let ((s (network-stream c))
(log (logging-stream c)))
(format log "< ~a~%" message)
- (write-sequence message s)
- (terpri s)
- (force-output s)
+ (let ((sent-p nil)
+ (tries 3))
+ (loop
+ while (and (not sent-p)
+ (> tries 0))
+ do (handler-case
+ (progn
+ (raw-send-message s message)
+ (setf sent-p t))
+ (sb-int:closed-stream-error ()
+ (progn
+ (decf tries)
+ (reconnect c))))))
message))
(defgeneric play (connection))