X-Git-Url: http://git.pond.sub.org/?p=eow;a=blobdiff_plain;f=web.lisp;h=06f483b8a323637c385deb7e24584a3871eca4d4;hp=763b6f3a46621d7698aa0daa576fcb3b961060bf;hb=fc636ef0b61e6018deba9e31e2f9ab3efc381a1e;hpb=26149be9cdf416550bd80f06b02e956bb1b0bf52

diff --git a/web.lisp b/web.lisp
index 763b6f3..06f483b 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)
@@ -30,15 +32,83 @@
          (fullname (concatenate 'string +static-files-root+ fname)))
     (handle-static-file fullname)))
 
+(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"
+  (with-session
+    (locked-queue:dequeue (update-queue *empire-session*))))
+
+(defmethod send ((s session) string)
+  "Push a javascript update fragment to the client."
+  (locked-queue:enqueue (update-queue s) string))
+
+(defmethod prompt ((s session) p)
+  (send s (parenscript:ps* `(prompt ,p))))
+
+(defmethod data ((s session) message)
+  (send s (parenscript:ps* `(msg ,message))))
+
+;; destination of login-form
+(defun login-action ()
+  (handler-case
+      (let* ((user (post-parameter "username"))
+	     (pass (post-parameter "password"))
+	     (session (make-session user pass)))
+	(setf (session-value 'session) session)
+	(empire-log:info "~a: User ~a logging in." session user)
+	(redirect +root-url+))
+    (usocket:connection-refused-error (e)
+      (format nil "Connection error: ~a~%" e))))
+
+(defun command-action ()
+  (with-session
+      (empire:command (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)))
     (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
 
 
 (defun start ()
+  (empire-log:info "Startup")
   (pushnew 'dispatch *dispatch-table* :test #'eq))