Adapt to recent change of session-interface in surflet-handler
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interp
parent
5b2e2ddd6a
commit
20821bdfb5
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@ -72,28 +72,31 @@
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(show-outdated (make-callback show-surflets))
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(for-each unload-surflet surflet-names)))
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(define (no-surflets)
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(define (no-surflets callback)
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`(p "Currently, there are no SUrflets loaded "
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(url ,(make-callback show-surflets) "(reload)")
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(url ,(callback show-surflets) "(reload)")
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", but there may be "
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(url ,(make-callback show-sessions) "sessions")
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(url ,(callback show-sessions) "sessions")
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" you want to administer."))
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(define (show-surflets req . maybe-update-text)
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(let* ((update-text (:optional maybe-update-text ""))
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(loaded-surflets (sort-list! (get-loaded-surflets) string<?))
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(outdated? (make-outdater))
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(callback (make-annotated-callback callback-functor))
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(title "SUrflet-Administration -- SUrflets")
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(header `((h1 "SUrflet Administration")
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(h2 "SUrflets")
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(p (font (@ (color "red")) ,update-text))))
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(footer `((hr)
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(url ,(make-callback return-to-main-page) "Return to administration menu.")
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(url ,(callback return-to-main-page)
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"Return to administration menu.")
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(br)
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(url "/" "Return to main menu.")))
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(actions '("unload" "unload all")))
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(if (null? loaded-surflets)
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(send-html `(html (title ,title) (body ,header ,(no-surflets) ,footer)))
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(send-html `(html (title ,title)
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(body ,header ,(no-surflets callback) ,footer)))
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(receive (action selected-surflets req)
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(select-table title ; title
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header ; header
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@ -107,7 +110,7 @@
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`(p "Note that unloading the SUrflets does not imply "
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"the unloading of sessions of this SUrflet. " (br)
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"This can be done on the "
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(url ,(make-callback show-sessions)
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(url ,(callback show-sessions)
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"sessions adminstration page."))
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footer))
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(if (not action)
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@ -125,20 +128,21 @@
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(else
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(error "unknown action" action)))))))))
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(define (session-surflet-name<? entry1 entry2)
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(let ((name1 (session-surflet-name (cdr entry1)))
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(name2 (session-surflet-name (cdr entry2))))
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(define (session-surflet-name<? session1 session2)
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(let ((name1 (session-surflet-name session1))
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(name2 (session-surflet-name session2)))
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;; handle multiple session names
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(if (string=? name1 name2)
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(session-id<? entry1 entry2)
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(session-id<? session1 session2)
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(string<? name1 name2))))
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(define (session-id<? entry1 entry2)
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(define (session-id<? session1 session2)
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;; there are no multiple session-ids
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(< (car entry1) (car entry2)))
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(define (session-id>? entry1 entry2)
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(session-id<? entry2 entry1))
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(define (session-surflet-name>? entry1 entry2)
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(session-surflet-name<? entry2 entry1))
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(< (session-session-id session1)
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(session-session-id session2)))
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(define (session-surflet-name>? session1 session2)
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(session-surflet-name<? session2 session1))
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(define (session-id>? session1 session2)
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(session-id<? session2 session1))
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(define (no-current-sessions)
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;; Avoid using send/suspend in this context as there
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@ -155,7 +159,8 @@
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(my-session-id req))))
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(define (real-sessions current-sessions update-text this-session-id)
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(let ((outdated? (make-outdater))
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(let* ((outdated? (make-outdater))
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(callback (make-annotated-callback callback-functor))
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(title "SUrflet Adminstration - Sessions")
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(header `((h1 "SUrflet Administration")
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(h2 "Sessions")
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@ -165,14 +170,15 @@
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"session (id: " ,this-session-id ").")
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#f)
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(hr)
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(url ,(make-callback show-surflets) "Return to SUrflets menu.") (br)
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(url ,(make-callback return-to-main-page) "Return to administration menu.")
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(br)
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(url "/" "Return to main menu.")))
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(url ,(callback show-surflets)
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"Return to SUrflets menu.")
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(br) (url ,(callback return-to-main-page)
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"Return to administration menu.")
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(br) (url "/" "Return to main menu.")))
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(actions '("kill"
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"adjust timeout"
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"view continuations"))
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(sessions-callback (make-callback show-sessions)))
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(sessions-callback (callback show-sessions)))
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(if (null? current-sessions)
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(send-html `(html (title ,title)
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(body ,@header ,(no-current-sessions) ,footer)))
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@ -181,11 +187,10 @@
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header
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`((th "SUrflet Name") (th "Session-Id"))
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current-sessions
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(lambda (session-pair)
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(let ((session-id (car session-pair))
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(session-entry (cdr session-pair)))
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`((td ,(session-surflet-name session-entry))
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(td (@ (align "right")) ,session-id))))
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(lambda (session)
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`((td ,(session-surflet-name session))
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(td (@ (align "right"))
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,(session-session-id session))))
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actions
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footer)
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(if (not action)
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@ -196,13 +201,13 @@
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(if-outdated outdated?
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(show-outdated sessions-callback)
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(for-each delete-session!
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(map car selected-sessions)))
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selected-sessions))
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"Sessions killed.")
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((string=? action "adjust timeout")
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(if-outdated outdated?
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(show-outdated sessions-callback)
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(for-each session-adjust-timeout!
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(map car selected-sessions)))
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selected-sessions))
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"Timeout adjusted.")
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((string=? action "view continuations")
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(if-outdated outdated?
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@ -210,20 +215,19 @@
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(if (zero? (length selected-sessions))
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"You must choose at least one session."
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;; this does not return
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(show-continuations selected-sessions req))))
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(show-continuations req selected-sessions))))
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(else
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(error "unknown action" action)))))
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(show-sessions req new-update-text)))))))
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(define (no-current-continuations session req)
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(define (no-current-continuations callback session req)
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`((p "Currently, there are no continuations for this session. ")
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(p "You may " (url ,(make-callback
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(lambda (req) (show-continuations (list session) req)))
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(p "You may " (url ,(callback show-continuations (list session))
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"reload")
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" this page or go back to the "
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(url ,(make-callback show-sessions) "session table overview."))))
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(url ,(callback show-sessions) "session table overview."))))
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(define (no-more-than-one-session title header1 sessions req)
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(let* ((address (make-annotated-address))
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@ -242,37 +246,38 @@
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" where you can select one session"
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" or select one session from your chosen sessions:" (br)
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(ul
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,@(map (lambda (session)
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,@(map
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(lambda (session)
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`(li (url ,(address k-url session)
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,(session-surflet-name (cdr session))
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" (" ,(car session) ")")))
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,(session-surflet-name session)
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" (" ,(session-session-id session) ")")))
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sessions))))))))
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(bindings (get-bindings req))
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(chosen-session (returned-via address bindings)))
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(show-continuations (list chosen-session) req)))
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(show-continuations req (list chosen-session))))
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(define (continuation-id<? entry1 entry2)
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(< (car entry1) (car entry2)))
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(define (continuation-id<? cont1 cont2)
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(< (continuation-id cont1)
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(continuation-id cont2)))
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(define (show-continuations sessions req . maybe-update-text)
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(define (show-continuations req sessions . maybe-update-text)
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(let ((title "SUrflet Adminstration - Continuations")
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(header1 '(h1 "SUrflet Administration")))
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(if (not (= 1 (length sessions)))
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(no-more-than-one-session title header1 sessions req)
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(let* ((session-pair (car sessions))
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(session-id (car session-pair))
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(session-entry (cdr session-pair))
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(let* ((session (car sessions))
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(session-id (session-session-id session))
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(this-continuation-id (my-continuation-id req))
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(update-text (:optional maybe-update-text "")))
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(let* ((current-continuations
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(update-text (:optional maybe-update-text ""))
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(current-continuations
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(sort-list! (get-continuations session-id)
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continuation-id<?))
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(outdated? (make-outdater))
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(callback (make-annotated-callback callback-functor))
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(header (cons header1
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`((h2 "Continuations of " ,session-id)
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(p "(belongs to the SUrflet '"
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,(session-surflet-name session-entry) "')")
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,(session-surflet-name session) "')")
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(p (font (@ (color "red")) ,update-text)))))
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(footer
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`(,(if (not (null? current-continuations))
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@ -280,32 +285,33 @@
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"continuation (id: " ,this-continuation-id ").")
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#f)
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(hr)
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(url ,(make-callback show-surflets) "Return to SUrflets menu.") (br)
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(url ,(make-callback show-sessions) "Return to sessions menu.") (br)
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(url ,(make-callback return-to-main-page) "Return to administration menu.")
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(br)
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(url "/" "Return to main menu.")))
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(url ,(callback show-surflets)
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"Return to SUrflets menu.")
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(br) (url ,(callback show-sessions)
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"Return to sessions menu.")
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(br) (url ,(callback return-to-main-page)
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"Return to administration menu.")
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(br) (url "/" "Return to main menu.")))
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(actions '("delete" "delete all"))
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(continuations-callback
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(make-callback (lambda (req)
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(show-continuations sessions req)))))
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(continuations-callback (callback show-continuations sessions)))
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(if (null? current-continuations)
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(send-html `(html (title ,title)
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(send-html
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`(html (title ,title)
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(body ,header
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,(no-current-continuations session-pair req)
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,(no-current-continuations callback session req)
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,footer)))
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(receive (action selected-continuations req)
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(select-table title
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header
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'((th "Continuation-Id"))
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current-continuations
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(lambda (continuation-pair)
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(let ((continuation-id (car continuation-pair)))
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`((td (@ (align "right")) ,continuation-id))))
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(lambda (continuation)
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`((td (@ (align "right"))
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,(continuation-id continuation))))
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actions
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footer)
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(if (not action)
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(show-continuations sessions req
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(show-continuations req sessions
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"Choose an action.")
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(begin
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(cond
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@ -317,8 +323,8 @@
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session-id current-continuations))
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(else
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(error "unknown action" action)))
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(show-continuations sessions req
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"Deleted."))))))))))
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(show-continuations req sessions
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"Deleted.")))))))))
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(define (delete-continuations outdated? continuations-callback
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session-id continuations)
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@ -326,10 +332,7 @@
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(show-outdated continuations-callback)
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;; Do it this way to easily expand to more sessions in the
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;; future.
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(for-each delete-continuation!
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(make-list (length continuations)
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session-id)
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(map car continuations))))
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(for-each delete-continuation! continuations)))
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(define (return-to-main-page req)
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(send-error (status-code moved-perm) req
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