+(defclass base-mode ()
+ ((connection :initarg :connection :accessor connection)))
+(defclass init-mode (base-mode)
+ ((phase :initform :initial
+ :documentation "Initialization phase")))
+(defclass play-mode (base-mode) nil)
+
+(defun make-mode (connection mode)
+ (make-instance mode :connection connection))
+
+(defgeneric set-new-mode (base-mode new-mode))
+(defmethod set-new-mode ((m base-mode) new-mode)
+ (let* ((c (connection m))
+ (mode (make-mode c new-mode)))
+ (empire-log:info "~a: set-new-mode ~a -> ~a" c (connection-mode c) new-mode)
+ (setf (connection-mode c) mode)))
+
+(defgeneric handle-cmdok (base-mode message))
+(defgeneric handle-data (base-mode message))
+(defgeneric handle-init (base-mode message))
+(defgeneric handle-exit (base-mode message))
+(defgeneric handle-prompt (base-mode message))
+(defgeneric handle-flush (base-mode message))
+(defgeneric handle-simple-message (base-mode message))
+(defgeneric handle-ignore (base-mode message))
+
+(defmethod handle-init ((m init-mode) message)
+ (declare (ignorable message))
+ (with-slots (phase connection) m
+ (ecase phase
+ (:initial (handle-cmdok m message))
+ (:play-sent (set-new-mode m 'play-mode)))))
+
+(defmethod handle-cmdok ((m init-mode) message)
+ (declare (ignorable message))
+ (with-slots (phase connection) m
+ (flet ((init-phase (mode send-args next-phase)
+ (with-slots (phase connection) mode
+ (send-message-one connection (apply #'format nil send-args))
+ (setf phase next-phase))))
+ (with-slots (user password) (connection m)
+ (ecase phase
+ (:initial (init-phase m `("client eow ~a" ,*version*) :client-sent))
+ (:client-sent (init-phase m `("coun ~a" ,user) :coun-sent))
+ (:coun-sent (init-phase m `("pass ~a" ,password) :pass-sent))
+ (:pass-sent (init-phase m '("play") :play-sent)))))))
+
+(defmethod handle-exit ((m init-mode) message)
+ (declare (ignorable message))
+ (with-slots (phase connection) m
+ (ecase phase
+ (:play-sent (send-message-one connection "kill")
+ (setf phase :kill-sent))
+ (:kill-sent (send-message-one connection "play")
+ (setf phase :play-sent)))))
+
+(defmethod handle-data ((m init-mode) message)
+ (declare (ignorable message))
+ t)
+
+(defmethod handle-exit ((m play-mode) message)
+ (declare (ignorable message))
+ (quit (connection m)))
+
+(defmethod handle-data ((m play-mode) message)
+ (let* ((c (connection m)))
+ (empire-web:data (session c) message)))
+
+(defmethod handle-simple-message ((m play-mode) message)
+ (let* ((c (connection m)))
+ (empire-web:data (session c) message)))
+
+(defmethod handle-flush ((m play-mode) message)
+ (let* ((c (connection m)))
+ (empire-web:prompt (session c) message)
+ (send-next-line c)))
+
+(defmethod send-next-line ((c connection))
+ (let ((next-event (locked-queue:dequeue (send-queue c))))
+ (etypecase next-event
+ (string (send-message-one c next-event))
+ (cons (let ((message (car next-event))
+ (mode (cdr next-event)))
+ (send-message-one c message)
+ (set-new-mode (connection-mode c) mode))))))
+
+(defun read-no-eval (stream)
+ (let ((*read-eval* nil))
+ (read stream)))
+
+(defmethod handle-prompt ((m play-mode) message)
+ (let* ((c (connection m)))
+ (with-input-from-string (s message)
+ (let* ((minutes (read-no-eval s))
+ (btus (read-no-eval s)))
+ (empire-web:prompt (session c)
+ (format nil "[~a,~a]: " minutes btus))))
+ (send-next-line c)))
+
+(defmethod handle-ignore ((m init-mode) message)