X-Git-Url: http://git.pond.sub.org/?p=eow;a=blobdiff_plain;f=empire.lisp;h=7f6eb3156cd3ed22861101dcdbeddaff292ddfb0;hp=1f2aae423b6724f4d7a42cf171519c80d0cfd91f;hb=deccccc050b0bcebedb60558ca3cc7427a20d33e;hpb=bb489e0d0e26e6e71b46f23427f55aac696cd538 diff --git a/empire.lisp b/empire.lisp index 1f2aae4..7f6eb31 100644 --- a/empire.lisp +++ b/empire.lisp @@ -44,7 +44,11 @@ (session :accessor session :initarg :session - :documentation "web session to which this connection belongs"))) + :documentation "web session to which this connection belongs") + (send-queue + :accessor send-queue + :initform (locked-queue:create) + :documentation "lines outstanding to be sent at next prompt"))) (defun make-connection (&key (user nil) (password nil) @@ -81,24 +85,27 @@ (handler (spawn-with-name (format nil "empire-handler-~a" user) #'handle-connection connection))) (setf (connection-handler connection) handler) - (empire-log:info "empire:connect: ~a" connection) + (empire-log:info "~a: connect" connection) connection)) (defgeneric quit (connection)) (defgeneric handle-connection (connection)) (defgeneric read-message (connection)) (defgeneric send-message (connection message)) +(defgeneric connected-p (connection)) (defgeneric reconnect (conncetion)) +(defmethod connected-p ((c connection)) + (sb-thread:thread-alive-p (connection-handler c))) + (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))) + (s (usocket:socket-stream sock))) (setf socket sock stream s - connection-handler handler))) + connection-handler (spawn-with-name (format nil "empire-handler-~a" user) + #'handle-connection c)))) (empire-log:info "~a: reconnect" c)) (defparameter +C_CMDOK+ "0") @@ -140,19 +147,20 @@ (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 (play-sent-p) m (if (not play-sent-p) - (progn - (play (connection m)) + (let ((c (connection m))) + (login-and-play c) (setf play-sent-p t)) (set-new-mode m 'play-mode)))) (defmethod handle-exit ((m init-mode) message) (declare (ignorable message)) - (quit (connection m))) + t) (defmethod handle-exit ((m play-mode) message) (declare (ignorable message)) @@ -168,7 +176,11 @@ (defmethod handle-flush ((m play-mode) message) (let* ((c (connection m))) - (empire-web:prompt (session c) message))) + (empire-web:prompt (session c) message) + (send-next-line c))) + +(defmethod send-next-line ((c connection)) + (send-message-one c (locked-queue:dequeue (send-queue c)))) (defmethod handle-prompt ((m play-mode) message) (let* ((c (connection m))) @@ -176,7 +188,12 @@ (let* ((minutes (read s)) ;;FIXME DANGEROUS (btus (read s))) (empire-web:prompt (session c) - (format nil "[~a,~a]: " minutes btus)))))) + (format nil "[~a,~a]: " minutes btus)))) + (send-next-line c))) + +(defmethod handle-ignore ((m init-mode) message) + (declare (ignorable message)) + t) (defparameter *line-type-dispatch* (list `(,+C_DATA+ . handle-data) @@ -185,6 +202,7 @@ `(,+C_FLUSH+ . handle-flush) `(,+C_BADCMD+ . handle-simple-message) `(,+C_FLASH+ . handle-simple-message) + `(,+C_CMDOK+ . handle-ignore) `(,+C_PROMPT+ . handle-prompt))) (defun parse-server-line (line) @@ -216,7 +234,7 @@ (handler-case (let* ((s (network-stream c)) (line (read-line s))) - (empire-log:info "< ~a~%" line) + (empire-log:info "~a: < ~a" c line) (multiple-value-bind (message type) (parse-server-line line) (let ((handler (lookup-handler type)) (mode (connection-mode c))) @@ -231,30 +249,23 @@ (write-sequence message s) (terpri s) (force-output s)) - -(defmethod send-message ((c connection) message) + +(defgeneric send-message-one (connection string)) +(defmethod send-message-one ((c connection) message) + (empire-log:info "~a: > ~a" c message) (let ((s (network-stream c))) - (empire-log:info "> ~a~%" message) - (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) - (empire-log:info "Connection close - retrying (~a tries left)" tries) - (reconnect c)))))) - message)) + (raw-send-message s message))) + +(defmethod send-message ((c connection) message) + (if (not (connected-p c)) + (reconnect c)) + (locked-queue:enqueue (send-queue c) message)) (defparameter +special-command-char+ #\;) (defun special-command-p (line) - (char= +special-command-char+ (aref line 0))) + (and (> (length line) 0) + (char= +special-command-char+ (aref line 0)))) (defmethod special-xup ((c connection)) t) @@ -268,10 +279,15 @@ (cond ((special-command-p line) (special-command c (subseq line 1))) (t (send-message c line)))) -(defgeneric play (connection)) -(defmethod play ((c connection)) +(defgeneric login-and-play (connection)) +(defmethod login-and-play ((c connection)) + (send-message-one c (format nil "client eow ~a" *version*)) + (send-message-one c "user FIXME") (with-slots (user password) c - (send-message c (format nil "play FIXME ~a ~a" user password)))) + (send-message-one c (format nil "coun ~a" user)) + (send-message-one c (format nil "pass ~a" password))) + (send-message-one c "kill") + (send-message-one c "play")) (defmethod quit ((c connection)) (usocket:socket-close (socket c)))