X-Git-Url: http://git.pond.sub.org/?p=eow;a=blobdiff_plain;f=web.lisp;h=96aca61708bc8f95acd11d79255cc801ed9a980f;hp=20e27510d2a67c37764967dd29b271b141479ee6;hb=f17995f251724c7edce2660fc1f8a10b1e368a11;hpb=ae10588ada2b32b3c715056b32c042fd221a534d diff --git a/web.lisp b/web.lisp index 20e2751..96aca61 100644 --- a/web.lisp +++ b/web.lisp @@ -11,11 +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) @@ -30,26 +32,77 @@ (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 minutes btus)) +(defgeneric data (session message)) + +(defvar *session*) (defun update () "Send stream of updates to client" - (locked-queue:dequeue *update-queue*)) + (with-session + (locked-queue:dequeue (update-queue *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)) + +(defmethod prompt ((s session) minutes btus) + (send s (format nil "prompt(~a,~a);~%" minutes btus))) + +(defmethod data ((s session) message) + (send s (parenscript:ps* `(msg ,message)))) + +(defmacro with-session (&body body) + `(let ((*session* (session-value 'session))) + (if *session* + (progn ,@body) + (redirect +login-page+)))) + +;; destination of login-form +(defun login-action () + (handler-case + (let ((session (make-session (post-parameter "username") + (post-parameter "password")))) + (setf (session-value 'session) session) + (redirect +root-url+)) + (usocket:connection-refused-error (e) + (format nil "Connection error: ~a~%" e)))) + +(defun command-action () + (with-session + (empire:send-message (connection *session*) (get-parameter "q")))) -(defun prompt (minutes btus) - (send (format nil "prompt(~a,~a);~%" minutes btus))) +(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))) (cond ((not (string-starts-with script-name +web-root+)) nil) ; do not handle this request ((string= script-name "/eow/update") 'update) + ((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+)) (redirect +root-url+)) ; 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