X-Git-Url: http://git.pond.sub.org/?p=eow;a=blobdiff_plain;f=web.lisp;h=135cdb4c424b27aaf366e4ced1a51d9caecebdb1;hp=0f6a0c8966fed615898f2b3baa4a289d7233f063;hb=761774603f988ef58b11ab22c5bbf862819f9cef;hpb=f08c83a6016dddd28fd4acc9bb12c4350a40c004 diff --git a/web.lisp b/web.lisp index 0f6a0c8..135cdb4 100644 --- a/web.lisp +++ b/web.lisp @@ -11,12 +11,13 @@ :directory (pathname-directory *this-file*))) (defparameter +templates-root+ (namestring *this-dir*)) -(defparameter +root-url+ "/eow/static/test.html") +(defparameter +root-url+ "/eow/") (defparameter +web-root-base+ "/eow") (defparameter +web-root+ (concatenate 'string +web-root-base+ "/")) (defparameter +static-web-root+ (concatenate 'string +web-root+ "static/")) (defparameter +static-files-root+ (concatenate 'string +templates-root+ "static/")) (defparameter +login-page+ (concatenate 'string +static-web-root+ "login.html")) +(defparameter +root-page-file+ "root.html") (defun string-starts-with (string prefix) ;; (from Hunchentoot) @@ -31,38 +32,69 @@ (fullname (concatenate 'string +static-files-root+ fname))) (handle-static-file fullname))) -(defvar *update-queue* (locked-queue:create)) +(defclass session () + ((update-queue + :accessor update-queue + :initform (locked-queue:create) + :documentation "Updates to be sent to the browser") + (connection + :accessor connection + :documentation "Connection to the empire game server"))) + +(defun make-session (username password) + (let* ((session (make-instance 'session)) + (connection (empire:connect :user username + :password password + :session session))) + (setf (slot-value session 'connection) connection) + session)) + +(defgeneric send (session string)) +(defgeneric prompt (session string)) +(defgeneric data (session message)) + +(defvar *empire-session*) + +(defmacro with-session (&body body) + `(let ((*empire-session* (session-value 'session))) + (if *empire-session* + (progn ,@body) + (redirect +login-page+)))) (defun update () "Send stream of updates to client" - (locked-queue:dequeue *update-queue*)) + (with-session + (locked-queue:dequeue (update-queue *empire-session*)))) -(defun send (string) +(defmethod send ((s session) string) "Push a javascript update fragment to the client." - (locked-queue:enqueue *update-queue* string)) + (locked-queue:enqueue (update-queue s) string)) -(defun prompt (minutes btus) - (send (format nil "prompt(~a,~a);~%" minutes btus))) +(defmethod prompt ((s session) p) + (send s (parenscript:ps* `(prompt ,p)))) -(defun data (message) - (send (parenscript:ps* `(msg ,message)))) - -(defun login () - (let ((connection (session-value 'connection))) - (if connection - (redirect +root-url+) - (redirect +login-page+)))) +(defmethod data ((s session) message) + (send s (parenscript:ps* `(msg ,message)))) ;; 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* ((user (post-parameter "username")) + (pass (post-parameter "password")) + (session (make-session user pass))) + (setf (session-value 'session) session) + (empire-log:info "User ~a logging in. Session ~a" user session) + (redirect +root-url+)) + (usocket:connection-refused-error (e) + (format nil "Connection error: ~a~%" e)))) (defun command-action () - (let ((connection (session-value 'connection))) - (empire:send-message connection (get-parameter "q")))) + (with-session + (empire:send-message (connection *empire-session*) (get-parameter "q")))) + +(defun root-page () + (with-session + (handle-static-file (concatenate 'string +static-files-root+ +root-page-file+)))) (defun dispatch (request) (let ((script-name (script-name request))) @@ -72,10 +104,11 @@ ((string= script-name "/eow/login") 'login-action) ((string= script-name "/eow/command") 'command-action) ((or (string-equal script-name +web-root-base+) - (string-equal script-name +web-root+)) 'login) ; go to the start page + (string-equal script-name +web-root+)) 'root-page) ; go to the start page ((string-starts-with script-name +static-web-root+) 'serve-static)))) ; serve static file (defun start () + (empire-log:info "Startup") (pushnew 'dispatch *dispatch-table* :test #'eq))