Added multiple paths and default routes.

clog-connection.lisp

@@ -29,6 +29,7 @@ script."
   (initialize          function)
   (shutdown-clog       function)
   (set-on-connect      function)
+  (set-clog-path       function)
   (get-connection-data function)
 
   "CLOG system utilities"
@@ -78,6 +79,8 @@ script."
 (defvar *queries-sems*   (make-hash-table) "Query ID to semiphores")
 (defvar *query-time-out* 3 "Number of seconds to timeout waiting for a query")
 
+(defvar *url-to-boot-file* (make-hash-table :test 'equalp) "URL to boot-file")
+
 ;;;;;;;;;;;;;;;;;
 ;; generate-id ;;
 ;;;;;;;;;;;;;;;;;
@@ -230,23 +233,31 @@ the default answer. (Private)"
 		     (port           8080)
 		     (boot-file      "/boot.html")
 		     (static-root    #P"./static-files/"))
-  "Inititalze CLOG on a socket using HOST and PORT to serve BOOT-FILE as 
-the default route to establish web-socket connections and static files
-located at STATIC-ROOT."
+  "Initialize CLOG on a socket using HOST and PORT to serve BOOT-FILE as 
+the default route for '/' to establish web-socket connections and static files
+located at STATIC-ROOT. If BOOT-FILE is nil no initial clog-path's will be
+setup, use clog-path to add. The on-connect-handler needs to indentify the
+path by querying the browser. See PATH-NAME (CLOG-LOCATION)."
+
   (set-on-connect on-connect-handler)
+
+  (when boot-file
+    (set-clog-path "/" boot-file))
+  
   (setf *app*
 	(lack:builder
 	 (:static :path (lambda (path)
-			  (cond ((ppcre:scan "^(?:/clog$)" path) nil)
-				((equal path "/") boot-file)
-				(t path)))
+			  (let ((clog-path (gethash path *url-to-boot-file*)))
+			    (cond ((ppcre:scan "^(?:/clog$)" path) nil)
+				  (clog-path clog-path)
+				  (t path))))
 		  :root static-root)
 	 (lambda (env)
 	   (clog-server env))))
   (setf *client-handler* (clack:clackup *app* :address host :port port))
-  (format t "HTTP listening on : ~A:~A~%" host port)
-  (format t "HTML Root         : ~A~%"    static-root)
-  (format t "Boot file default : ~A~%"    boot-file))
+  (format t "HTTP listening on    : ~A:~A~%" host port)
+  (format t "HTML Root            : ~A~%"    static-root)
+  (format t "Boot file for path / : ~A~%"    boot-file))
 
 ;;;;;;;;;;;;;;;;;;;
 ;; shutdown-clog ;;
@@ -259,6 +270,7 @@ located at STATIC-ROOT."
     (clrhash *connection-data*)
     (clrhash *connections*)
     (clrhash *connection-ids*))
+  (clrhash *url-to-boot-file*)
   (setf *app* nil)
   (setf *client-handler* nil))
 
@@ -270,6 +282,15 @@ located at STATIC-ROOT."
   "Change the ON-CONNECTION-HANDLER set during Initialize."
   (setf *on-connect-handler* on-connect-handler))
 
+;;;;;;;;;;;;;;;;;;;
+;; set-clog-path ;;
+;;;;;;;;;;;;;;;;;;;
+
+(defun set-clog-path (path boot-file)
+  (if boot-file
+      (setf (gethash path *url-to-boot-file*) boot-file)
+      (remhash path *url-to-boot-file*)))
+
 ;;;;;;;;;;;;;;;;;;;
 ;; escape-string ;;
 ;;;;;;;;;;;;;;;;;;;

clog-system.lisp

@@ -13,17 +13,26 @@
 ;; Implementation - CLOG System
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
+(defvar *url-to-on-new-window* (make-hash-table :test 'equalp)
+  "URL to on-new-window handlers")
+
+(defvar *clog-running* nil "If clog running.")
+
 ;;;;;;;;;;;;;;;;
 ;; initialize ;;
 ;;;;;;;;;;;;;;;;
 
-(defvar *on-new-window* nil "Store the on-new-window handler")
-
 (defun on-connect (connection-id)
   (when cc:*verbose-output*
     (format t "Start new window handler on connection-id - ~A" connection-id))
   (let ((body (make-clog-body connection-id)))
-    (funcall *on-new-window* body)))
+    (let* ((path          (path-name (location body)))
+	   (on-new-window (or (gethash path *url-to-on-new-window*)
+			      (gethash "default" *url-to-on-new-window*)
+			      (gethash "/" *url-to-on-new-window*))))
+      (if on-new-window  
+	  (funcall on-new-window body)
+	  (put-br (html-document win) "No route to on-new-window")))))
 
 (defun initialize (on-new-window-handler
 		   &key
@@ -35,27 +44,34 @@
 the default route to establish web-socket connections and static files
 located at STATIC-ROOT. If CLOG was already initialized and not shut
 down, this function does the same as set-on-new-window. If the variable
-clog:*overide-static-root* is set STATIC-ROOT will be ignored."
-  (if *on-new-window*
-      (set-on-new-window on-new-window-handler)
-      (progn
-	(set-on-new-window on-new-window-handler)
+clog:*overide-static-root* is set STATIC-ROOT will be ignored. If BOOT-FILE
+is nil no default boot-file will be set for /."
 
-	(cc:initialize #'on-connect
-		       :host host
-		       :port port
-		       :boot-file boot-file
-		       :static-root (if (boundp '*overide-static-root*)
-					*overide-static-root*
-					static-root)))))
+  (set-on-new-window on-new-window-handler :path "/" :boot-file boot-file)
+
+  (unless *clog-running*
+    (setf *clog-running* t)
+    (cc:initialize #'on-connect
+		   :host host
+		   :port port
+		   :boot-file boot-file
+		   :static-root (if (boundp '*overide-static-root*)
+				    *overide-static-root*
+				    static-root))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;
 ;; set-on-new-window ;;
 ;;;;;;;;;;;;;;;;;;;;;;;
 
-(defun set-on-new-window (on-new-window-handler)
-  "Change the on-new-window handler."
-  (setf *on-new-window* on-new-window-handler))
+(defun set-on-new-window (on-new-window-handler
+			  &key (path "/") (boot-file "/boot.html"))
+  "Set or change the on-new-window handler or set a new one for PATH
+using BOOT_FILE. If PATH is set to default will use boot-file when
+the path can not be determined."
+  (cc:set-clog-path path boot-file)
+  (if boot-file
+      (setf (gethash path *url-to-on-new-window*) on-new-window-handler)
+      (remhash path *url-to-on-new-window*)))
 
 ;;;;;;;;;;;;;;
 ;; shutdown ;;
@@ -63,5 +79,6 @@ clog:*overide-static-root* is set STATIC-ROOT will be ignored."
 
 (defun shutdown ()
   "Shutdown CLOG."
-  (set-on-new-window nil)
+  (clrhash *url-to-on-new-window*)
+  (setf *clog-running* nil)
   (cc:shutdown-clog))