31 lines
1.1 KiB
Scheme
31 lines
1.1 KiB
Scheme
(module servlet mzscheme
|
|
(require "../managers/manager.ss")
|
|
|
|
(define-struct (exn:fail:servlet:instance exn:fail) ())
|
|
(define-struct servlet (custodian namespace manager handler))
|
|
(define-struct servlet-instance-data (mutex context))
|
|
|
|
(define-struct execution-context (connection request suspend))
|
|
|
|
(define current-servlet (make-thread-cell #f))
|
|
(define current-servlet-instance-id (make-thread-cell #f))
|
|
|
|
(define (get-current-servlet-instance-id)
|
|
(define instance-id (thread-cell-ref current-servlet-instance-id))
|
|
(unless instance-id
|
|
(raise (make-exn:fail:servlet:instance "" (current-continuation-marks))))
|
|
instance-id)
|
|
|
|
(define (current-servlet-manager)
|
|
(define servlet (thread-cell-ref current-servlet))
|
|
(unless servlet
|
|
(raise (make-exn:fail:servlet:instance "" (current-continuation-marks))))
|
|
(servlet-manager servlet))
|
|
|
|
(define (current-servlet-instance-data)
|
|
(define manager (current-servlet-manager))
|
|
(define instance-id (thread-cell-ref current-servlet-instance-id))
|
|
((manager-instance-lookup-data manager) instance-id))
|
|
|
|
(provide (all-defined)))
|